diff options
Diffstat (limited to 'xlators/protocol/server')
| -rw-r--r-- | xlators/protocol/server/Makefile.am | 1 | ||||
| -rw-r--r-- | xlators/protocol/server/src/Makefile.am | 22 | ||||
| -rw-r--r-- | xlators/protocol/server/src/server-handshake.c | 689 | ||||
| -rw-r--r-- | xlators/protocol/server/src/server-helpers.c | 1392 | ||||
| -rw-r--r-- | xlators/protocol/server/src/server-helpers.h | 89 | ||||
| -rw-r--r-- | xlators/protocol/server/src/server-mem-types.h | 37 | ||||
| -rw-r--r-- | xlators/protocol/server/src/server-resolve.c | 655 | ||||
| -rw-r--r-- | xlators/protocol/server/src/server.c | 687 | ||||
| -rw-r--r-- | xlators/protocol/server/src/server.h | 203 | ||||
| -rw-r--r-- | xlators/protocol/server/src/server3_1-fops.c | 4839 | 
10 files changed, 8614 insertions, 0 deletions
diff --git a/xlators/protocol/server/Makefile.am b/xlators/protocol/server/Makefile.am new file mode 100644 index 00000000000..af437a64d6d --- /dev/null +++ b/xlators/protocol/server/Makefile.am @@ -0,0 +1 @@ +SUBDIRS = src diff --git a/xlators/protocol/server/src/Makefile.am b/xlators/protocol/server/src/Makefile.am new file mode 100644 index 00000000000..842ab5e50fc --- /dev/null +++ b/xlators/protocol/server/src/Makefile.am @@ -0,0 +1,22 @@ +xlator_LTLIBRARIES = server.la +xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/alpha/protocol + +server_la_LDFLAGS = -module -avoidversion + +server_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \ +	$(top_builddir)/xlators/protocol/rpc/rpc-lib/src/libgfrpc.la \ +	$(top_builddir)/xlators/protocol/lib/src/libgfproto1.la + +server_la_SOURCES = server.c server-resolve.c server-helpers.c  \ +	server3_1-fops.c server-handshake.c + +noinst_HEADERS = server.h server-helpers.h server-mem-types.h + +AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall    \ +	-I$(top_srcdir)/libglusterfs/src -shared -nostartfiles  \ +	-DCONFDIR=\"$(sysconfdir)/glusterfs\" -D$(GF_HOST_OS)   \ +	$(GF_CFLAGS) -I$(top_srcdir)/xlators/protocol/lib/src   \ +	-I$(top_srcdir)/xlators/protocol/rpc/rpc-lib/src/       \ +	-I$(top_srcdir)/contrib/md5/ + +CLEANFILES = *~ diff --git a/xlators/protocol/server/src/server-handshake.c b/xlators/protocol/server/src/server-handshake.c new file mode 100644 index 00000000000..8ce9f6b3a86 --- /dev/null +++ b/xlators/protocol/server/src/server-handshake.c @@ -0,0 +1,689 @@ +/* +  Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> +  This file is part of GlusterFS. + +  GlusterFS is free software; you can redistribute it and/or modify +  it under the terms of the GNU General Public License as published +  by the Free Software Foundation; either version 3 of the License, +  or (at your option) any later version. + +  GlusterFS is distributed in the hope that it will be useful, but +  WITHOUT ANY WARRANTY; without even the implied warranty of +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +  General Public License for more details. + +  You should have received a copy of the GNU General Public License +  along with this program.  If not, see +  <http://www.gnu.org/licenses/>. +*/ + + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "server.h" +#include "server-helpers.h" +#include "glusterfs-xdr.h" +#include "compat-errno.h" +#include "msg-xdr.h" +#include "authenticate.h" + +struct __get_xl_struct { +        const char *name; +        xlator_t *reply; +}; +int +gf_compare_client_version (rpcsvc_request_t *req, int fop_prognum, +                           int mgmt_prognum) +{ +        int ret = -1; +        /* TODO: think.. */ +        if (glusterfs3_1_fop_prog.prognum == fop_prognum) +                ret = 0; + +        return ret; +} + +void __check_and_set (xlator_t *each, void *data) +{ +        if (!strcmp (each->name, +                     ((struct __get_xl_struct *) data)->name)) +                ((struct __get_xl_struct *) data)->reply = each; +} + +static xlator_t * +get_xlator_by_name (xlator_t *some_xl, const char *name) +{ +        struct __get_xl_struct get = { +                .name = name, +                .reply = NULL +        }; + +        xlator_foreach (some_xl, __check_and_set, &get); + +        return get.reply; +} + + +int +_volfile_update_checksum (xlator_t *this, char *key, uint32_t checksum) +{ +        server_conf_t       *conf         = NULL; +        struct _volfile_ctx *temp_volfile = NULL; + +        conf         = this->private; +        temp_volfile = conf->volfile; + +        while (temp_volfile) { +                if ((NULL == key) && (NULL == temp_volfile->key)) +                        break; +                if ((NULL == key) || (NULL == temp_volfile->key)) { +                        temp_volfile = temp_volfile->next; +                        continue; +                } +                if (strcmp (temp_volfile->key, key) == 0) +                        break; +                temp_volfile = temp_volfile->next; +        } + +        if (!temp_volfile) { +                temp_volfile = GF_CALLOC (1, sizeof (struct _volfile_ctx), +                                          gf_server_mt_volfile_ctx_t); + +                temp_volfile->next  = conf->volfile; +                temp_volfile->key   = (key)? gf_strdup (key): NULL; +                temp_volfile->checksum = checksum; + +                conf->volfile = temp_volfile; +                goto out; +        } + +        if (temp_volfile->checksum != checksum) { +                gf_log (this->name, GF_LOG_CRITICAL, +                        "the volume file got modified between earlier access " +                        "and now, this may lead to inconsistency between " +                        "clients, advised to remount client"); +                temp_volfile->checksum  = checksum; +        } + + out: +        return 0; +} + + +size_t +build_volfile_path (xlator_t *this, const char *key, char *path, +                    size_t path_len) +{ +        int              ret = -1; +        int              free_filename = 0; +        char            *filename = NULL; +        server_conf_t   *conf = NULL; +        char             data_key[256] = {0,}; + +        conf = this->private; + +        /* Inform users that this option is changed now */ +        ret = dict_get_str (this->options, "client-volume-filename", +                            &filename); +        if (ret == 0) { +                gf_log (this->name, GF_LOG_WARNING, +                        "option 'client-volume-filename' is changed to " +                        "'volume-filename.<key>' which now takes 'key' as an " +                        "option to choose/fetch different files from server. " +                        "Refer documentation or contact developers for more " +                        "info. Currently defaulting to given file '%s'", +                        filename); +        } + +        if (key && !filename) { +                sprintf (data_key, "volume-filename.%s", key); +                ret = dict_get_str (this->options, data_key, &filename); +                if (ret < 0) { +                        /* Make sure that key doesn't contain "../" in path */ +                        if ((gf_strstr (key, "/", "..")) == -1) { +                                gf_log (this->name, GF_LOG_ERROR, +                                        "%s: invalid key", key); +                                goto out; +                        } +                } + +                ret = gf_asprintf (&filename, "%s/%s.vol", conf->conf_dir, key); +                if (-1 == ret) +                        goto out; + +                free_filename = 1; +        } + +        if (!filename) { +                ret = dict_get_str (this->options, +                                    "volume-filename.default", &filename); +                if (ret < 0) { +                        gf_log (this->name, GF_LOG_DEBUG, +                                "no default volume filename given, " +                                "defaulting to %s", DEFAULT_VOLUME_FILE_PATH); +                        filename = DEFAULT_VOLUME_FILE_PATH; +                } +        } + +        ret = -1; + +        if ((filename) && (path_len > strlen (filename))) { +                strcpy (path, filename); +                ret = strlen (filename); +        } + +out: +        if (free_filename) +                GF_FREE (filename); + +        return ret; +} + +int +_validate_volfile_checksum (xlator_t *this, char *key, +                            uint32_t checksum) +{ +        char                 filename[ZR_PATH_MAX] = {0,}; +        server_conf_t       *conf         = NULL; +        struct _volfile_ctx *temp_volfile = NULL; +        int                  ret          = 0; +        int                  fd           = 0; +        uint32_t             local_checksum = 0; + +        conf         = this->private; +        temp_volfile = conf->volfile; + +        if (!checksum) +                goto out; + +        if (!temp_volfile) { +                ret = build_volfile_path (this, key, filename, +                                          sizeof (filename)); +                if (ret <= 0) +                        goto out; +                fd = open (filename, O_RDONLY); +                if (-1 == fd) { +                        ret = 0; +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to open volume file (%s) : %s", +                                filename, strerror (errno)); +                        goto out; +                } +                get_checksum_for_file (fd, &local_checksum); +                _volfile_update_checksum (this, key, local_checksum); +                close (fd); +        } + +        temp_volfile = conf->volfile; +        while (temp_volfile) { +                if ((NULL == key) && (NULL == temp_volfile->key)) +                        break; +                if ((NULL == key) || (NULL == temp_volfile->key)) { +                        temp_volfile = temp_volfile->next; +                        continue; +                } +                if (strcmp (temp_volfile->key, key) == 0) +                        break; +                temp_volfile = temp_volfile->next; +        } + +        if (!temp_volfile) +                goto out; + +        if ((temp_volfile->checksum) && +            (checksum != temp_volfile->checksum)) +                ret = -1; + +out: +        return ret; +} + +int +build_program_list (server_conf_t *conf, char *list) +{ +        /* Reply in "Name:Program-Number:Program-Version,..." format */ +        sprintf (list, "%s:%d:%d", +                 glusterfs3_1_fop_prog.progname, +                 glusterfs3_1_fop_prog.prognum, +                 glusterfs3_1_fop_prog.progver); +        /* TODO: keep adding new versions to the list here */ +        return 0; +} + +int +server_dump_version (rpcsvc_request_t *req) +{ +        char                     list[8192]  = {0,}; +        server_conf_t           *conf     = NULL; +        int                      ret      = -1; +        int                      op_errno = EINVAL; +        gf_dump_version_req      args     = {0,}; +        gf_dump_version_rsp      rsp      = {0,}; + +        conf = ((xlator_t *)req->conn->svc->mydata)->private; + +        if (xdr_to_glusterfs_req (req, &args, xdr_to_dump_version_req)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto fail; +        } + +        build_program_list (conf, list); +        rsp.msg.msg_val = list; +        rsp.msg.msg_len = strlen (list) + 1; +        ret = 0; +fail: +        rsp.op_errno = gf_errno_to_error (op_errno); +        rsp.op_ret   = ret; + +        server_submit_reply (NULL, req, &rsp, NULL, 0, NULL, +                             (gfs_serialize_t)xdr_serialize_dump_version_rsp); + +        if (args.key) +                free (args.key); + +        return 0; +} + +int +server_getspec (rpcsvc_request_t *req) +{ +        int32_t               ret = -1; +        int32_t               op_errno = ENOENT; +        int32_t               spec_fd = -1; +        size_t                file_len = 0; +        char                  filename[ZR_PATH_MAX] = {0,}; +        struct stat           stbuf = {0,}; +        uint32_t              checksum = 0; +        char                 *key = NULL; +        server_conf_t        *conf = NULL; + +        gf_getspec_req    args = {0,}; +        gf_getspec_rsp    rsp  = {0,}; +        server_connection_t  *conn = NULL; + +        conn = req->conn->trans->private; +        conf = conn->this->private; + +        if (xdr_to_glusterfs_req (req, &args, xdr_to_getspec_req)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto fail; +        } + +        ret = build_volfile_path (conn->this, args.key, +                                  filename, sizeof (filename)); +        if (ret > 0) { +                /* to allocate the proper buffer to hold the file data */ +                ret = stat (filename, &stbuf); +                if (ret < 0){ +                        gf_log (conn->this->name, GF_LOG_ERROR, +                                "Unable to stat %s (%s)", +                                filename, strerror (errno)); +                        goto fail; +                } + +                spec_fd = open (filename, O_RDONLY); +                if (spec_fd < 0) { +                        gf_log (conn->this->name, GF_LOG_ERROR, +                                "Unable to open %s (%s)", +                                filename, strerror (errno)); +                        goto fail; +                } +                ret = file_len = stbuf.st_size; + +                if (conf->verify_volfile) { +                        get_checksum_for_file (spec_fd, &checksum); +                        _volfile_update_checksum (conn->this, key, checksum); +                } +        } else { +                errno = ENOENT; +        } + +        if (file_len) { +                rsp.spec = GF_CALLOC (file_len, sizeof (char), +                                      gf_server_mt_rsp_buf_t); +                if (!rsp.spec) { +                        ret = -1; +                        op_errno = ENOMEM; +                        goto fail; +                } +                ret = read (spec_fd, rsp.spec, file_len); + +                close (spec_fd); +        } + +        /* convert to XDR */ +fail: +        op_errno = errno; +        rsp.op_errno = gf_errno_to_error (op_errno); +        rsp.op_ret   = ret; + +        server_submit_reply (NULL, req, &rsp, NULL, 0, NULL, +                             (gfs_serialize_t)xdr_serialize_getspec_rsp); + +        return 0; +} + + +int +server_setvolume (rpcsvc_request_t *req) +{ +        gf_setvolume_req     args          = {0,}; +        gf_setvolume_rsp     rsp           = {0,}; +        server_connection_t *conn          = NULL; +        server_conf_t       *conf          = NULL; +        peer_info_t         *peerinfo      = NULL; +        dict_t              *reply         = NULL; +        dict_t              *config_params = NULL; +        dict_t              *params        = NULL; +        char                *name          = NULL; +        char                *process_uuid  = NULL; +        xlator_t            *xl            = NULL; +        char                *msg           = NULL; +        char                *volfile_key   = NULL; +        xlator_t            *this          = NULL; +        uint32_t             checksum      = 0; +        int32_t              ret           = -1; +        int32_t              op_ret        = -1; +        int32_t              op_errno      = EINVAL; +        int32_t              fop_version   = 0; +        int32_t              mgmt_version  = 0; + +        params = dict_new (); +        reply  = dict_new (); +        if (xdr_to_glusterfs_req (req, &args, xdr_to_setvolume_req)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto fail; +        } + +        this = req->conn->svc->mydata; + +        config_params = dict_copy_with_ref (this->options, NULL); +        conf          = this->private; + +        ret = dict_unserialize (args.dict.dict_val, args.dict.dict_len, ¶ms); +        if (ret < 0) { +                ret = dict_set_str (reply, "ERROR", +                                    "Internal error: failed to unserialize " +                                    "request dictionary"); +                if (ret < 0) +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to set error msg \"%s\"", +                                "Internal error: failed to unserialize " +                                "request dictionary"); + +                op_ret = -1; +                op_errno = EINVAL; +                goto fail; +        } + +        ret = dict_get_str (params, "process-uuid", &process_uuid); +        if (ret < 0) { +                ret = dict_set_str (reply, "ERROR", +                                    "UUID not specified"); +                if (ret < 0) +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to set error msg"); + +                op_ret = -1; +                op_errno = EINVAL; +                goto fail; +        } + + +        conn = server_connection_get (this, process_uuid); +        if (req->conn->trans->xl_private != conn) +                req->conn->trans->xl_private = conn; + +        ret = dict_get_int32 (params, "fops-version", &fop_version); +        if (ret < 0) { +                ret = dict_set_str (reply, "ERROR", +                                    "No FOP version number specified"); +                if (ret < 0) +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to set error msg"); +        } + +        ret = dict_get_int32 (params, "mgmt-version", &mgmt_version); +        if (ret < 0) { +                ret = dict_set_str (reply, "ERROR", +                                    "No MGMT version number specified"); +                if (ret < 0) +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to set error msg"); +        } + +        ret = gf_compare_client_version (req, fop_version, mgmt_version); +        if (ret != 0) { +                ret = gf_asprintf (&msg, "version mismatch: client(%d)" +                                   " - client-mgmt(%d)", +                                   fop_version, mgmt_version); +                                /* get_supported_version (req)); */ +                if (-1 == ret) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "asprintf failed while setting up error msg"); +                        goto fail; +                } +                ret = dict_set_dynstr (reply, "ERROR", msg); +                if (ret < 0) +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to set error msg"); + +                op_ret = -1; +                op_errno = EINVAL; +                goto fail; +        } + +        ret = dict_get_str (params, "remote-subvolume", &name); +        if (ret < 0) { +                ret = dict_set_str (reply, "ERROR", +                                    "No remote-subvolume option specified"); +                if (ret < 0) +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to set error msg"); + +                op_ret = -1; +                op_errno = EINVAL; +                goto fail; +        } + +        xl = get_xlator_by_name (this, name); +        if (xl == NULL) { +                ret = gf_asprintf (&msg, "remote-subvolume \"%s\" is not found", +                                name); +                if (-1 == ret) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "asprintf failed while setting error msg"); +                        goto fail; +                } +                ret = dict_set_dynstr (reply, "ERROR", msg); +                if (ret < 0) +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to set error msg"); + +                op_ret = -1; +                op_errno = ENOENT; +                goto fail; +        } + +        if (conf->verify_volfile) { +                ret = dict_get_uint32 (params, "volfile-checksum", &checksum); +                if (ret == 0) { +                        ret = dict_get_str (params, "volfile-key", +                                            &volfile_key); + +                        ret = _validate_volfile_checksum (this, volfile_key, +                                                          checksum); +                        if (-1 == ret) { +                                ret = dict_set_str (reply, "ERROR", +                                                    "volume-file checksum " +                                                    "varies from earlier " +                                                    "access"); +                                if (ret < 0) +                                        gf_log (this->name, GF_LOG_DEBUG, +                                                "failed to set error msg"); + +                                op_ret   = -1; +                                op_errno = ESTALE; +                                goto fail; +                        } +                } +        } + + +        peerinfo = &req->conn->trans->peerinfo; +        ret = dict_set_static_ptr (params, "peer-info", peerinfo); +        if (ret < 0) +                gf_log (this->name, GF_LOG_DEBUG, +                        "failed to set peer-info"); + +        if (conf->auth_modules == NULL) { +                gf_log (this->name, GF_LOG_ERROR, +                        "Authentication module not initialized"); +        } + +        ret = gf_authenticate (params, config_params, +                               conf->auth_modules); + +        if (ret == AUTH_ACCEPT) { +                gf_log (this->name, GF_LOG_INFO, +                        "accepted client from %s", +                        peerinfo->identifier); +                op_ret = 0; +                conn->bound_xl = xl; +                ret = dict_set_str (reply, "ERROR", "Success"); +                if (ret < 0) +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to set error msg"); +        } else { +                gf_log (this->name, GF_LOG_ERROR, +                        "Cannot authenticate client from %s", +                        peerinfo->identifier); +                op_ret = -1; +                op_errno = EACCES; +                ret = dict_set_str (reply, "ERROR", "Authentication failed"); +                if (ret < 0) +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to set error msg"); + +                goto fail; +        } + +        if (conn->bound_xl == NULL) { +                ret = dict_set_str (reply, "ERROR", +                                    "Check volfile and handshake " +                                    "options in protocol/client"); +                if (ret < 0) +                        gf_log (this->name, GF_LOG_DEBUG, +                                "failed to set error msg"); + +                op_ret = -1; +                op_errno = EACCES; +                goto fail; +        } + +        if ((conn->bound_xl != NULL) && +            (ret >= 0)                   && +            (conn->bound_xl->itable == NULL)) { +                /* create inode table for this bound_xl, if one doesn't +                   already exist */ + +                gf_log (this->name, GF_LOG_TRACE, +                        "creating inode table with lru_limit=%"PRId32", " +                        "xlator=%s", conf->inode_lru_limit, +                        conn->bound_xl->name); + +                /* TODO: what is this ? */ +                conn->bound_xl->itable = inode_table_new (conf->inode_lru_limit, +                                                          conn->bound_xl); +        } + +        ret = dict_set_str (reply, "process-uuid", +                            this->ctx->process_uuid); + +        ret = dict_set_uint64 (reply, "transport-ptr", +                               ((uint64_t) (long) req->conn->trans)); + + +fail: +        rsp.dict.dict_len = dict_serialized_length (reply); +        if (rsp.dict.dict_len < 0) { +                gf_log (this->name, GF_LOG_DEBUG, +                        "failed to get serialized length of reply dict"); +                op_ret   = -1; +                op_errno = EINVAL; +                rsp.dict.dict_len = 0; +        } + +        if (rsp.dict.dict_len) { +                rsp.dict.dict_val = GF_CALLOC (1, rsp.dict.dict_len, 0); +                if (rsp.dict.dict_val) { +                        ret = dict_serialize (reply, rsp.dict.dict_val); +                        if (ret < 0) { +                                gf_log (this->name, GF_LOG_DEBUG, +                                        "failed to serialize reply dict"); +                                op_ret = -1; +                                op_errno = -ret; +                        } +                } +        } +        rsp.op_ret   = op_ret; +        rsp.op_errno = gf_errno_to_error (op_errno); + +        server_submit_reply (NULL, req, &rsp, NULL, 0, NULL, +                             (gfs_serialize_t)xdr_serialize_setvolume_rsp); + + +        if (args.dict.dict_val) +                free (args.dict.dict_val); + +        if (rsp.dict.dict_val) +                GF_FREE (rsp.dict.dict_val); + +        dict_unref (params); +        dict_unref (reply); +        dict_unref (config_params); + +        return 0; +} + + +int +server_ping (rpcsvc_request_t *req) +{ +        gf_common_rsp rsp = {0,}; + +        rsp.gfs_id = req->gfs_id; +        /* Accepted */ +        rsp.op_ret = 0; + +        server_submit_reply (NULL, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + +        return 0; +} + + +rpcsvc_actor_t gluster_handshake_actors[] = { +        [GF_HNDSK_NULL] = {"NULL", GF_HNDSK_NULL, server_null, NULL, NULL }, +        [GF_HNDSK_DUMP_VERSION] = {"VERSION",   GF_HNDSK_DUMP_VERSION, server_dump_version, NULL, NULL }, +        [GF_HNDSK_SETVOLUME] = {"SETVOLUME", GF_HNDSK_SETVOLUME, server_setvolume, NULL, NULL }, +        [GF_HNDSK_GETSPEC] = {"GETSPEC",   GF_HNDSK_GETSPEC,   server_getspec, NULL, NULL }, +        [GF_HNDSK_PING] = {"PING",      GF_HNDSK_PING,      server_ping, NULL, NULL }, +}; + + +struct rpcsvc_program gluster_handshake_prog = { +        .progname  = "GlusterFS Handshake", +        .prognum   = GLUSTER_HNDSK_PROGRAM, +        .progver   = GLUSTER_HNDSK_VERSION, + +        .actors    = gluster_handshake_actors, +        .numactors = 5, +        .progport  = 7008, +}; diff --git a/xlators/protocol/server/src/server-helpers.c b/xlators/protocol/server/src/server-helpers.c new file mode 100644 index 00000000000..5cae205d76f --- /dev/null +++ b/xlators/protocol/server/src/server-helpers.c @@ -0,0 +1,1392 @@ +/* +  Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> +  This file is part of GlusterFS. + +  GlusterFS is free software; you can redistribute it and/or modify +  it under the terms of the GNU General Public License as published +  by the Free Software Foundation; either version 3 of the License, +  or (at your option) any later version. + +  GlusterFS is distributed in the hope that it will be useful, but +  WITHOUT ANY WARRANTY; without even the implied warranty of +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +  General Public License for more details. + +  You should have received a copy of the GNU General Public License +  along with this program.  If not, see +  <http://www.gnu.org/licenses/>. +*/ + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "server.h" +#include "server-helpers.h" + +int +server_decode_groups (call_frame_t *frame, rpcsvc_request_t *req) +{ +        int     i = 0; + +        if ((!frame) || (!req)) +                return 0; + +        frame->root->ngrps = req->auxgidcount; +        if (frame->root->ngrps == 0) +                return 0; + +        if (frame->root->ngrps > GF_REQUEST_MAXGROUPS) +                return -1; + +        for (; i < frame->root->ngrps; ++i) +                frame->root->groups[i] = req->auxgids[i]; + +        return 0; +} + +/* server_loc_fill - derive a loc_t for a given inode number + * + * NOTE: make sure that @loc is empty, because any pointers it holds with reference will + *       be leaked after returning from here. + */ +int +server_loc_fill (loc_t *loc, server_state_t *state, +                 ino_t ino, ino_t par, +                 const char *name, const char *path) +{ +        inode_t *inode = NULL; +        inode_t *parent = NULL; +        int32_t  ret = -1; +        char    *dentry_path = NULL; + + +        GF_VALIDATE_OR_GOTO ("server", loc, out); +        GF_VALIDATE_OR_GOTO ("server", state, out); +        GF_VALIDATE_OR_GOTO ("server", path, out); + +        /* anything beyond this point is success */ +        ret = 0; +        loc->ino = ino; +        inode = loc->inode; +        if (inode == NULL) { +                if (ino) +                        inode = inode_search (state->itable, ino, NULL); + +                if ((inode == NULL) && +                    (par && name)) +                        inode = inode_search (state->itable, par, name); + +                loc->inode = inode; +                if (inode) +                        loc->ino = inode->ino; +        } + +        parent = loc->parent; +        if (parent == NULL) { +                if (inode) +                        parent = inode_parent (inode, par, name); +                else +                        parent = inode_search (state->itable, par, NULL); +                loc->parent = parent; +        } + +        if (name && parent) { +                ret = inode_path (parent, name, &dentry_path); +                if (ret < 0) { +                        gf_log (state->conn->bound_xl->name, GF_LOG_DEBUG, +                                "failed to build path for %"PRId64"/%s: %s", +                                parent->ino, name, strerror (-ret)); +                } +        } else if (inode) { +                ret = inode_path (inode, NULL, &dentry_path); +                if (ret < 0) { +                        gf_log (state->conn->bound_xl->name, GF_LOG_DEBUG, +                                "failed to build path for %"PRId64": %s", +                                inode->ino, strerror (-ret)); +                } +        } + +        if (dentry_path) { +                if (strcmp (dentry_path, path)) { +                        gf_log (state->conn->bound_xl->name, GF_LOG_DEBUG, +                                "paths differ for inode(%"PRId64"): " +                                "client path = %s. dentry path = %s", +                                ino, path, dentry_path); +                } + +                loc->path = dentry_path; +                loc->name = strrchr (loc->path, '/'); +                if (loc->name) +                        loc->name++; +        } else { +                loc->path = gf_strdup (path); +                loc->name = strrchr (loc->path, '/'); +                if (loc->name) +                        loc->name++; +        } + +out: +        return ret; +} + +/* + * stat_to_str - convert struct iatt to a ASCII string + * @stbuf: struct iatt pointer + * + * not for external reference + */ +char * +stat_to_str (struct iatt *stbuf) +{ +        int   ret = 0; +        char *tmp_buf = NULL; + +        uint64_t dev = stbuf->ia_gen; +        uint64_t ino = stbuf->ia_ino; +        uint32_t mode = st_mode_from_ia (stbuf->ia_prot, stbuf->ia_type); +        uint32_t nlink = stbuf->ia_nlink; +        uint32_t uid = stbuf->ia_uid; +        uint32_t gid = stbuf->ia_gid; +        uint64_t rdev = stbuf->ia_rdev; +        uint64_t size = stbuf->ia_size; +        uint32_t blksize = stbuf->ia_blksize; +        uint64_t blocks = stbuf->ia_blocks; +        uint32_t atime = stbuf->ia_atime; +        uint32_t mtime = stbuf->ia_mtime; +        uint32_t ctime = stbuf->ia_ctime; + +        uint32_t atime_nsec = stbuf->ia_atime_nsec; +        uint32_t mtime_nsec = stbuf->ia_mtime_nsec; +        uint32_t ctime_nsec = stbuf->ia_ctime_nsec; + + +        ret = gf_asprintf (&tmp_buf, +                        GF_STAT_PRINT_FMT_STR, +                        dev, +                        ino, +                        mode, +                        nlink, +                        uid, +                        gid, +                        rdev, +                        size, +                        blksize, +                        blocks, +                        atime, +                        atime_nsec, +                        mtime, +                        mtime_nsec, +                        ctime, +                        ctime_nsec); +        if (-1 == ret) { +                gf_log ("protocol/server", GF_LOG_DEBUG, +                        "asprintf failed while setting up stat buffer string"); +                return NULL; +        } +        return tmp_buf; +} + + +void +server_loc_wipe (loc_t *loc) +{ +        if (loc->parent) { +                inode_unref (loc->parent); +                loc->parent = NULL; +        } + +        if (loc->inode) { +                inode_unref (loc->inode); +                loc->inode = NULL; +        } + +        if (loc->path) +                GF_FREE ((void *)loc->path); +} + + +void +server_resolve_wipe (server_resolve_t *resolve) +{ +        struct resolve_comp *comp = NULL; +        int                  i = 0; + +        if (resolve->path) +                GF_FREE ((void *)resolve->path); + +        if (resolve->bname) +                GF_FREE ((void *)resolve->bname); + +        if (resolve->resolved) +                GF_FREE ((void *)resolve->resolved); + +        loc_wipe (&resolve->deep_loc); + +        comp = resolve->components; +        if (comp) { +                for (i = 0; comp[i].basename; i++) { +                        if (comp[i].inode) +                                inode_unref (comp[i].inode); +                } +                GF_FREE ((void *)resolve->components); +        } +} + + +void +free_state (server_state_t *state) +{ +        if (state->conn) { +                //xprt_svc_unref (state->conn); +                state->conn = NULL; +        } + +        if (state->fd) { +                fd_unref (state->fd); +                state->fd = NULL; +        } + +        if (state->iobref) { +                iobref_unref (state->iobref); +                state->iobref = NULL; +        } + +        if (state->iobuf) { +                iobuf_unref (state->iobuf); +                state->iobuf = NULL; +        } + +        if (state->dict) { +                dict_unref (state->dict); +                state->dict = NULL; +        } + +        if (state->volume) +                GF_FREE ((void *)state->volume); + +        if (state->name) +                GF_FREE ((void *)state->name); + +        server_loc_wipe (&state->loc); +        server_loc_wipe (&state->loc2); + +        server_resolve_wipe (&state->resolve); +        server_resolve_wipe (&state->resolve2); + +        GF_FREE (state); +} + + +call_frame_t * +server_copy_frame (call_frame_t *frame) +{ +        call_frame_t *new_frame = NULL; +        server_state_t *state = NULL, *new_state = NULL; + +        state = frame->root->state; + +        new_frame = copy_frame (frame); + +        new_state = GF_CALLOC (1, sizeof (server_state_t), 0); + +        new_frame->root->op    = frame->root->op; +        new_frame->root->type  = frame->root->type; +        new_frame->root->trans = state->conn; +        new_frame->root->state = new_state; + +        new_state->itable      = state->itable; +        new_state->conn        = state->conn; +        //new_state->conn     = xprt_ref (state->conn); + +        new_state->resolve.fd_no  = -1; +        new_state->resolve2.fd_no = -1; + +        return new_frame; +} + + +int +gf_add_locker (struct _lock_table *table, const char *volume, +               loc_t *loc, fd_t *fd, pid_t pid) +{ +        int32_t         ret = -1; +        struct _locker *new = NULL; +        uint8_t         dir = 0; + +        new = GF_CALLOC (1, sizeof (struct _locker), 0); +        if (new == NULL) { +                gf_log ("server", GF_LOG_ERROR, +                        "failed to allocate memory for \'struct _locker\'"); +                goto out; +        } +        INIT_LIST_HEAD (&new->lockers); + +        new->volume = gf_strdup (volume); + +        if (fd == NULL) { +                loc_copy (&new->loc, loc); +                dir = IA_ISDIR (new->loc.inode->ia_type); +        } else { +                new->fd = fd_ref (fd); +                dir = IA_ISDIR (fd->inode->ia_type); +        } + +        new->pid = pid; + +        LOCK (&table->lock); +        { +                if (dir) +                        list_add_tail (&new->lockers, &table->dir_lockers); +                else +                        list_add_tail (&new->lockers, &table->file_lockers); +        } +        UNLOCK (&table->lock); +out: +        return ret; +} + + +int +gf_del_locker (struct _lock_table *table, const char *volume, +               loc_t *loc, fd_t *fd, pid_t pid) +{ +        struct _locker    *locker = NULL; +        struct _locker    *tmp = NULL; +        int32_t            ret = 0; +        uint8_t            dir = 0; +        struct list_head  *head = NULL; +        struct list_head   del; + +        INIT_LIST_HEAD (&del); + +        if (fd) { +                dir = IA_ISDIR (fd->inode->ia_type); +        } else { +                dir = IA_ISDIR (loc->inode->ia_type); +        } + +        LOCK (&table->lock); +        { +                if (dir) { +                        head = &table->dir_lockers; +                } else { +                        head = &table->file_lockers; +                } + +                list_for_each_entry_safe (locker, tmp, head, lockers) { +                        if (locker->fd && fd && +                            (locker->fd == fd) && (locker->pid == pid) +                            && !strcmp (locker->volume, volume)) { +                                list_move_tail (&locker->lockers, &del); +                        } else if (locker->loc.inode && +                                   loc && +                                   (locker->loc.inode == loc->inode) && +                                   (locker->pid == pid) +                                   && !strcmp (locker->volume, volume)) { +                                list_move_tail (&locker->lockers, &del); +                        } +                } +        } +        UNLOCK (&table->lock); + +        tmp = NULL; +        locker = NULL; + +        list_for_each_entry_safe (locker, tmp, &del, lockers) { +                list_del_init (&locker->lockers); +                if (locker->fd) +                        fd_unref (locker->fd); +                else +                        loc_wipe (&locker->loc); + +                GF_FREE (locker->volume); +                GF_FREE (locker); +        } + +        return ret; +} + + +int +gf_direntry_to_bin (dir_entry_t *head, char *buffer) +{ +        dir_entry_t   *trav = NULL; +        uint32_t       len = 0; +        uint32_t       this_len = 0; +        size_t         buflen = -1; +        char          *ptr = NULL; +        char          *tmp_buf = NULL; + +        trav = head->next; +        while (trav) { +                len += strlen (trav->name); +                len += 1; +                len += strlen (trav->link); +                len += 1; /* for '\n' */ +                len += 256; // max possible for statbuf; +                trav = trav->next; +        } + +        ptr = buffer; +        trav = head->next; +        while (trav) { +                tmp_buf = stat_to_str (&trav->buf); +                /* tmp_buf will have \n before \0 */ + +                this_len = sprintf (ptr, "%s/%s%s\n", +                                    trav->name, tmp_buf, +                                    trav->link); + +                GF_FREE (tmp_buf); +                trav = trav->next; +                ptr += this_len; +        } + +        buflen = strlen (buffer); + +        return buflen; +} + + +static struct _lock_table * +gf_lock_table_new (void) +{ +        struct _lock_table *new = NULL; + +        new = GF_CALLOC (1, sizeof (struct _lock_table), 0); +        if (new == NULL) { +                gf_log ("server-protocol", GF_LOG_CRITICAL, +                        "failed to allocate memory for new lock table"); +                goto out; +        } +        INIT_LIST_HEAD (&new->dir_lockers); +        INIT_LIST_HEAD (&new->file_lockers); +        LOCK_INIT (&new->lock); +out: +        return new; +} + +static int +server_nop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                int32_t op_ret, int32_t op_errno) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE(frame); + +        if (state) +                free_state (state); +        STACK_DESTROY (frame->root); +        return 0; +} + +int +do_lock_table_cleanup (xlator_t *this, server_connection_t *conn, +                       call_frame_t *frame, struct _lock_table *ltable) +{ +        struct list_head  file_lockers, dir_lockers; +        call_frame_t     *tmp_frame = NULL; +        struct flock      flock = {0, }; +        xlator_t         *bound_xl = NULL; +        struct _locker   *locker = NULL, *tmp = NULL; +        int               ret = -1; + +        bound_xl = conn->bound_xl; +        INIT_LIST_HEAD (&file_lockers); +        INIT_LIST_HEAD (&dir_lockers); + +        LOCK (<able->lock); +        { +                list_splice_init (<able->file_lockers, +                                  &file_lockers); + +                list_splice_init (<able->dir_lockers, &dir_lockers); +        } +        UNLOCK (<able->lock); + +        GF_FREE (ltable); + +        flock.l_type  = F_UNLCK; +        flock.l_start = 0; +        flock.l_len   = 0; +        list_for_each_entry_safe (locker, +                                  tmp, &file_lockers, lockers) { +                tmp_frame = copy_frame (frame); +                if (tmp_frame == NULL) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "out of memory"); +                        goto out; +                } +                /* +                   pid = 0 is a special case that tells posix-locks +                   to release all locks from this transport +                */ +                tmp_frame->root->pid = 0; +                tmp_frame->root->trans = conn; + +                if (locker->fd) { +                        STACK_WIND (tmp_frame, server_nop_cbk, bound_xl, +                                    bound_xl->fops->finodelk, +                                    locker->volume, +                                    locker->fd, F_SETLK, &flock); +                        fd_unref (locker->fd); +                } else { +                        STACK_WIND (tmp_frame, server_nop_cbk, bound_xl, +                                    bound_xl->fops->inodelk, +                                    locker->volume, +                                    &(locker->loc), F_SETLK, &flock); +                        loc_wipe (&locker->loc); +                } + +                GF_FREE (locker->volume); + +                list_del_init (&locker->lockers); +                GF_FREE (locker); +        } + +        tmp = NULL; +        locker = NULL; +        list_for_each_entry_safe (locker, tmp, &dir_lockers, lockers) { +                tmp_frame = copy_frame (frame); + +                tmp_frame->root->pid = 0; +                tmp_frame->root->trans = conn; + +                if (locker->fd) { +                        STACK_WIND (tmp_frame, server_nop_cbk, bound_xl, +                                    bound_xl->fops->fentrylk, +                                    locker->volume, +                                    locker->fd, NULL, +                                    ENTRYLK_UNLOCK, ENTRYLK_WRLCK); +                        fd_unref (locker->fd); +                } else { +                        STACK_WIND (tmp_frame, server_nop_cbk, bound_xl, +                                    bound_xl->fops->entrylk, +                                    locker->volume, +                                    &(locker->loc), NULL, +                                    ENTRYLK_UNLOCK, ENTRYLK_WRLCK); +                        loc_wipe (&locker->loc); +                } + +                GF_FREE (locker->volume); + +                list_del_init (&locker->lockers); +                GF_FREE (locker); +        } +        ret = 0; + +out: +        return ret; +} + + +static int +server_connection_cleanup_flush_cbk (call_frame_t *frame, void *cookie, +                                     xlator_t *this, int32_t op_ret, +                                     int32_t op_errno) +{ +        fd_t *fd = NULL; + +        fd = frame->local; + +        fd_unref (fd); +        frame->local = NULL; + +        STACK_DESTROY (frame->root); +        return 0; +} + + +int +do_fd_cleanup (xlator_t *this, server_connection_t *conn, call_frame_t *frame, +               fdentry_t *fdentries, int fd_count) +{ +        fd_t               *fd = NULL; +        int                 i = 0, ret = -1; +        call_frame_t       *tmp_frame = NULL; +        xlator_t           *bound_xl = NULL; + +        bound_xl = conn->bound_xl; +        for (i = 0;i < fd_count; i++) { +                fd = fdentries[i].fd; + +                if (fd != NULL) { +                        tmp_frame = copy_frame (frame); +                        if (tmp_frame == NULL) { +                                gf_log (this->name, GF_LOG_ERROR, +                                        "out of memory"); +                                goto out; +                        } +                        tmp_frame->local = fd; + +                        tmp_frame->root->pid = 0; +                        tmp_frame->root->trans = conn; +                        tmp_frame->root->lk_owner = 0; +                        STACK_WIND (tmp_frame, +                                    server_connection_cleanup_flush_cbk, +                                    bound_xl, bound_xl->fops->flush, fd); +                } +        } + +        GF_FREE (fdentries); +        ret = 0; + +out: +        return ret; +} + +int +do_connection_cleanup (xlator_t *this, server_connection_t *conn, +                       struct _lock_table *ltable, fdentry_t *fdentries, int fd_count) +{ +        int             ret = 0; +        int             saved_ret = 0; +        call_frame_t   *frame = NULL; +        server_state_t *state = NULL; + +        frame = create_frame (this, this->ctx->pool); +        if (frame == NULL) { +                gf_log (this->name, GF_LOG_ERROR, "out of memory"); +                goto out; +        } + +        saved_ret = do_lock_table_cleanup (this, conn, frame, ltable); + +        if (fdentries != NULL) { +                ret = do_fd_cleanup (this, conn, frame, fdentries, fd_count); +        } + +        state = CALL_STATE (frame); +        if (state) +                GF_FREE (state); + +        STACK_DESTROY (frame->root); + +        if (saved_ret || ret) { +                ret = -1; +        } + +out: +        return ret; +} + + +int +server_connection_cleanup (xlator_t *this, server_connection_t *conn) +{ +        char                do_cleanup = 0; +        struct _lock_table *ltable = NULL; +        fdentry_t          *fdentries = NULL; +        uint32_t            fd_count = 0; +        int                 ret = 0; + +        if (conn == NULL) { +                goto out; +        } + +        pthread_mutex_lock (&conn->lock); +        { +                conn->active_transports--; +                if (conn->active_transports == 0) { +                        if (conn->ltable) { +                                ltable = conn->ltable; +                                conn->ltable = gf_lock_table_new (); +                        } + +                        if (conn->fdtable) { +                                fdentries = gf_fd_fdtable_get_all_fds (conn->fdtable, +                                                                       &fd_count); +                        } +                        do_cleanup = 1; +                } +        } +        pthread_mutex_unlock (&conn->lock); + +        if (do_cleanup && conn->bound_xl) +                ret = do_connection_cleanup (this, conn, ltable, fdentries, fd_count); + +out: +        return ret; +} + + +int +server_connection_destroy (xlator_t *this, server_connection_t *conn) +{ +        call_frame_t       *frame = NULL, *tmp_frame = NULL; +        xlator_t           *bound_xl = NULL; +        int32_t             ret = -1; +        server_state_t     *state = NULL; +        struct list_head    file_lockers; +        struct list_head    dir_lockers; +        struct _lock_table *ltable = NULL; +        struct _locker     *locker = NULL, *tmp = NULL; +        struct flock        flock = {0,}; +        fd_t               *fd = NULL; +        int32_t             i = 0; +        fdentry_t          *fdentries = NULL; +        uint32_t             fd_count = 0; + +        if (conn == NULL) { +                ret = 0; +                goto out; +        } + +        bound_xl = (xlator_t *) (conn->bound_xl); + +        if (bound_xl) { +                /* trans will have ref_count = 1 after this call, but its +                   ok since this function is called in +                   GF_EVENT_TRANSPORT_CLEANUP */ +                frame = create_frame (this, this->ctx->pool); + +                pthread_mutex_lock (&(conn->lock)); +                { +                        if (conn->ltable) { +                                ltable = conn->ltable; +                                conn->ltable = NULL; +                        } +                } +                pthread_mutex_unlock (&conn->lock); + +                INIT_LIST_HEAD (&file_lockers); +                INIT_LIST_HEAD (&dir_lockers); + +                LOCK (<able->lock); +                { +                        list_splice_init (<able->file_lockers, +                                          &file_lockers); + +                        list_splice_init (<able->dir_lockers, &dir_lockers); +                } +                UNLOCK (<able->lock); +                GF_FREE (ltable); + +                flock.l_type  = F_UNLCK; +                flock.l_start = 0; +                flock.l_len   = 0; +                list_for_each_entry_safe (locker, +                                          tmp, &file_lockers, lockers) { +                        tmp_frame = copy_frame (frame); +                        /* +                           pid = 0 is a special case that tells posix-locks +                           to release all locks from this transport +                        */ +                        tmp_frame->root->pid = 0; +                        tmp_frame->root->trans = conn; + +                        if (locker->fd) { +                                STACK_WIND (tmp_frame, server_nop_cbk, bound_xl, +                                            bound_xl->fops->finodelk, +                                            locker->volume, +                                            locker->fd, F_SETLK, &flock); +                                fd_unref (locker->fd); +                        } else { +                                STACK_WIND (tmp_frame, server_nop_cbk, bound_xl, +                                            bound_xl->fops->inodelk, +                                            locker->volume, +                                            &(locker->loc), F_SETLK, &flock); +                                loc_wipe (&locker->loc); +                        } + +                        GF_FREE (locker->volume); + +                        list_del_init (&locker->lockers); +                        GF_FREE (locker); +                } + +                tmp = NULL; +                locker = NULL; +                list_for_each_entry_safe (locker, tmp, &dir_lockers, lockers) { +                        tmp_frame = copy_frame (frame); + +                        tmp_frame->root->pid = 0; +                        tmp_frame->root->trans = conn; + +                        if (locker->fd) { +                                STACK_WIND (tmp_frame, server_nop_cbk, bound_xl, +                                            bound_xl->fops->fentrylk, +                                            locker->volume, +                                            locker->fd, NULL, +                                            ENTRYLK_UNLOCK, ENTRYLK_WRLCK); +                                fd_unref (locker->fd); +                        } else { +                                STACK_WIND (tmp_frame, server_nop_cbk, bound_xl, +                                            bound_xl->fops->entrylk, +                                            locker->volume, +                                            &(locker->loc), NULL, +                                            ENTRYLK_UNLOCK, ENTRYLK_WRLCK); +                                loc_wipe (&locker->loc); +                        } + +                        GF_FREE (locker->volume); + +                        list_del_init (&locker->lockers); +                        GF_FREE (locker); +                } + +                pthread_mutex_lock (&(conn->lock)); +                { +                        if (conn->fdtable) { +                                fdentries = gf_fd_fdtable_get_all_fds (conn->fdtable, +                                                                       &fd_count); +                                gf_fd_fdtable_destroy (conn->fdtable); +                                conn->fdtable = NULL; +                        } +                } +                pthread_mutex_unlock (&conn->lock); + +                if (fdentries != NULL) { +                        for (i = 0; i < fd_count; i++) { +                                fd = fdentries[i].fd; +                                if (fd != NULL) { +                                        tmp_frame = copy_frame (frame); +                                        tmp_frame->local = fd; + +                                        STACK_WIND (tmp_frame, +                                                    server_connection_cleanup_flush_cbk, +                                                    bound_xl, +                                                    bound_xl->fops->flush, +                                                    fd); +                                } +                        } +                        GF_FREE (fdentries); +                } +        } + +        if (frame) { +                state = CALL_STATE (frame); +                if (state) +                        GF_FREE (state); +                STACK_DESTROY (frame->root); +        } + +        gf_log (this->name, GF_LOG_INFO, "destroyed connection of %s", +                conn->id); + +        GF_FREE (conn->id); +        GF_FREE (conn); + +out: +        return ret; +} + + +server_connection_t * +server_connection_get (xlator_t *this, const char *id) +{ +	server_connection_t *conn = NULL; +	server_connection_t *trav = NULL; +	server_conf_t       *conf = NULL; + +        conf = this->private; + +        pthread_mutex_lock (&conf->mutex); +        { +                list_for_each_entry (trav, &conf->conns, list) { +                        if (!strcmp (id, trav->id)) { +                                conn = trav; +                                break; +                        } +                } + +                if (!conn) { +                        conn = (void *) GF_CALLOC (1, sizeof (*conn), 0); + +                        conn->id = gf_strdup (id); +                        conn->fdtable = gf_fd_fdtable_alloc (); +                        conn->ltable  = gf_lock_table_new (); +                        conn->this    = this; +                        pthread_mutex_init (&conn->lock, NULL); + +			list_add (&conn->list, &conf->conns); +		} + +                conn->ref++; +                conn->active_transports++; +	} +	pthread_mutex_unlock (&conf->mutex); + +        return conn; +} + + +void +server_connection_put (xlator_t *this, server_connection_t *conn) +{ +        server_conf_t       *conf = NULL; +        server_connection_t *todel = NULL; + +        if (conn == NULL) { +                goto out; +        } + +        conf = this->private; + +        pthread_mutex_lock (&conf->mutex); +        { +                conn->ref--; + +                if (!conn->ref) { +                        list_del_init (&conn->list); +                        todel = conn; +                } +        } +        pthread_mutex_unlock (&conf->mutex); + +        if (todel) { +                server_connection_destroy (this, todel); +        } + +out: +        return; +} + +static call_frame_t * +server_alloc_frame (rpcsvc_request_t *req) +{ +        call_frame_t         *frame = NULL; +        server_state_t       *state = NULL; +        server_connection_t  *conn  = NULL; + +        GF_VALIDATE_OR_GOTO("server", req, out); + +        conn = (server_connection_t *)req->conn->trans->xl_private; +        if (!conn) +                goto out; +        frame = create_frame (conn->this, req->conn->svc->ctx->pool); +        GF_VALIDATE_OR_GOTO("server", frame, out); + +        state = GF_CALLOC (1, sizeof (*state), 0); +        GF_VALIDATE_OR_GOTO("server", state, out); + +        if (conn->bound_xl) +                        state->itable = conn->bound_xl->itable; + +        state->xprt  = req->conn->trans; +        state->conn  = conn; + +        state->resolve.fd_no = -1; +        state->resolve2.fd_no = -1; + +        frame->root->state = state;        /* which socket */ +        frame->root->unique = 0;           /* which call */ + +        frame->this = conn->this; +out: +        return frame; +} + + + +call_frame_t * +get_frame_from_request (rpcsvc_request_t *req) +{ +        call_frame_t *frame = NULL; + +        frame = server_alloc_frame (req); +        if (!frame) +                goto out; + +        frame->root->op       = req->procnum; +        frame->root->type     = req->type; + +        frame->root->unique   = req->xid; + +        frame->root->uid      = req->uid; +        frame->root->gid      = req->gid; +        frame->root->pid      = req->pid; +        frame->root->lk_owner = req->lk_owner; + +        server_decode_groups (frame, req); + +        frame->local = req; +out: +        return frame; +} + + +int +server_build_config (xlator_t *this, server_conf_t *conf) +{ +        data_t     *data = NULL; +        int         ret = -1; +        struct stat buf = {0,}; + +        ret = dict_get_int32 (this->options, "inode-lru-limit", +                              &conf->inode_lru_limit); +        if (ret < 0) { +                conf->inode_lru_limit = 1024; +        } + +        conf->verify_volfile = 1; +        data = dict_get (this->options, "verify-volfile-checksum"); +        if (data) { +                ret = gf_string2boolean(data->data, &conf->verify_volfile); +                if (ret != 0) { +                        gf_log (this->name, GF_LOG_WARNING, +                                "wrong value for 'verify-volfile-checksum', " +                                "Neglecting option"); +                } +        } + +        data = dict_get (this->options, "trace"); +	if (data) { +                ret = gf_string2boolean (data->data, &conf->trace); +                if (ret != 0) { +			gf_log (this->name, GF_LOG_WARNING, +				"'trace' takes on only boolean values. " +                                "Neglecting option"); +		} +	} + +        /* TODO: build_rpc_config (); */ +        ret = dict_get_int32 (this->options, "limits.transaction-size", +                              &conf->rpc_conf.max_block_size); +        if (ret < 0) { +                gf_log (this->name, GF_LOG_TRACE, +                        "defaulting limits.transaction-size to %d", +                        DEFAULT_BLOCK_SIZE); +                conf->rpc_conf.max_block_size = DEFAULT_BLOCK_SIZE; +        } + +        data = dict_get (this->options, "config-directory"); +        if (data) { +                /* Check whether the specified directory exists, +                   or directory specified is non standard */ +                ret = stat (data->data, &buf); +                if ((ret != 0) || !S_ISDIR (buf.st_mode)) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "Directory '%s' doesn't exist, exiting.", +                                data->data); +                        ret = -1; +                        goto out; +                } +                /* Make sure that conf-dir doesn't contain ".." in path */ +                if ((gf_strstr (data->data, "/", "..")) == -1) { +                        ret = -1; +                        gf_log (this->name, GF_LOG_ERROR, +                                "%s: invalid conf_dir", data->data); +                        goto out; +                } + +                conf->conf_dir = gf_strdup (data->data); +        } +        ret = 0; +out: +        return ret; +} + +server_connection_t * +get_server_conn_state (xlator_t *this, rpc_transport_t *xprt) +{ +        return (server_connection_t *)xprt->xl_private; +} + +server_connection_t * +create_server_conn_state (xlator_t *this, rpc_transport_t *xprt) +{ +        server_connection_t *conn = NULL; +        int                  ret = -1; + +        conn = GF_CALLOC (1, sizeof (*conn), 0); +        if (!conn) +                goto out; + +        pthread_mutex_init (&conn->lock, NULL); + +        conn->fdtable = gf_fd_fdtable_alloc (); +        if (!conn->fdtable) +                goto out; + +        conn->ltable  = gf_lock_table_new (); +        if (!conn->ltable) +                goto out; + +        conn->this = this; + +        xprt->xl_private = conn; + +        ret = 0; +out: +        if (ret) +                destroy_server_conn_state (conn); + +        return conn; +} + +void +destroy_server_conn_state (server_connection_t *conn) +{ +        if (!conn) { +                return; +        } + +        if (conn->ltable) { +                /* TODO */ +                //FREE (conn->ltable); +                ; +        } + +        if (conn->fdtable) +                gf_fd_fdtable_destroy (conn->fdtable); + +        pthread_mutex_destroy (&conn->lock); + +        GF_FREE (conn); + +        return; +} + + +void +print_caller (char *str, int size, call_frame_t *frame) +{ +        int              filled = 0; +        server_state_t  *state = NULL; + +        state = CALL_STATE (frame); + +        filled += snprintf (str + filled, size - filled, +                            " Callid=%"PRId64", Client=%s", +                            frame->root->unique, +                            state->xprt->peerinfo.identifier); + +        return; +} + + +void +server_print_resolve (char *str, int size, server_resolve_t *resolve) +{ +        int filled = 0; + +        if (!resolve) { +                snprintf (str, size, "<nul>"); +                return; +        } + +        filled += snprintf (str + filled, size - filled, +                            " Resolve={"); +        if (resolve->fd_no != -1) +                filled += snprintf (str + filled, size - filled, +                                    "fd=%"PRId64",", (uint64_t) resolve->fd_no); +        if (resolve->ino) +                filled += snprintf (str + filled, size - filled, +                                    "ino=%"PRIu64",", (uint64_t) resolve->ino); +        if (resolve->par) +                filled += snprintf (str + filled, size - filled, +                                    "par=%"PRIu64",", (uint64_t) resolve->par); +        if (resolve->gen) +                filled += snprintf (str + filled, size - filled, +                                    "gen=%"PRIu64",", (uint64_t) resolve->gen); +        if (resolve->bname) +                filled += snprintf (str + filled, size - filled, +                                    "bname=%s,", resolve->bname); +        if (resolve->path) +                filled += snprintf (str + filled, size - filled, +                                    "path=%s", resolve->path); + +        filled += snprintf (str + filled, size - filled, "}"); +} + + +void +server_print_loc (char *str, int size, loc_t *loc) +{ +        int filled = 0; + +        if (!loc) { +                snprintf (str, size, "<nul>"); +                return; +        } + +        filled += snprintf (str + filled, size - filled, +                            " Loc={"); + +        if (loc->path) +                filled += snprintf (str + filled, size - filled, +                                    "path=%s,", loc->path); +        if (loc->inode) +                filled += snprintf (str + filled, size - filled, +                                    "inode=%p,", loc->inode); +        if (loc->parent) +                filled += snprintf (str + filled, size - filled, +                                    "parent=%p", loc->parent); + +        filled += snprintf (str + filled, size - filled, "}"); +} + + +void +server_print_params (char *str, int size, server_state_t *state) +{ +        int filled = 0; + +        filled += snprintf (str + filled, size - filled, +                            " Params={"); + +        if (state->fd) +                filled += snprintf (str + filled, size - filled, +                                    "fd=%p,", state->fd); +        if (state->valid) +                filled += snprintf (str + filled, size - filled, +                                    "valid=%d,", state->valid); +        if (state->flags) +                filled += snprintf (str + filled, size - filled, +                                    "flags=%d,", state->flags); +        if (state->wbflags) +                filled += snprintf (str + filled, size - filled, +                                    "wbflags=%d,", state->wbflags); +        if (state->size) +                filled += snprintf (str + filled, size - filled, +                                    "size=%Zu,", state->size); +        if (state->offset) +                filled += snprintf (str + filled, size - filled, +                                    "offset=%"PRId64",", state->offset); +        if (state->cmd) +                filled += snprintf (str + filled, size - filled, +                                    "cmd=%d,", state->cmd); +        if (state->type) +                filled += snprintf (str + filled, size - filled, +                                    "type=%d,", state->type); +        if (state->name) +                filled += snprintf (str + filled, size - filled, +                                    "name=%s,", state->name); +        if (state->mask) +                filled += snprintf (str + filled, size - filled, +                                    "mask=%d,", state->mask); +        if (state->volume) +                filled += snprintf (str + filled, size - filled, +                                    "volume=%s,", state->volume); + +        filled += snprintf (str + filled, size - filled, +                            "bound_xl=%s}", state->conn->bound_xl->name); +} + +int +server_resolve_is_empty (server_resolve_t *resolve) +{ +        if (resolve->fd_no != -1) +                return 0; + +        if (resolve->ino != 0) +                return 0; + +        if (resolve->gen != 0) +                return 0; + +        if (resolve->par != 0) +                return 0; + +        if (resolve->path != 0) +                return 0; + +        if (resolve->bname != 0) +                return 0; + +        return 1; +} + +void +server_print_reply (call_frame_t *frame, int op_ret, int op_errno) +{ +        server_conf_t   *conf = NULL; +        server_state_t  *state = NULL; +        xlator_t        *this = NULL; +        char             caller[512]; +        char             fdstr[32]; +        char            *op = "UNKNOWN"; + +        this = frame->this; +        conf = this->private; + +        if (!conf->trace) +                return; + +        state = CALL_STATE (frame); + +        print_caller (caller, 256, frame); + +        switch (frame->root->type) { +        case GF_OP_TYPE_FOP: +                op = gf_fop_list[frame->root->op]; +                break; +        case GF_OP_TYPE_MGMT: +                op = gf_mgmt_list[frame->root->op]; +                break; +        default: +                op = ""; +        } + +        fdstr[0] = '\0'; +        if (state->fd) +                snprintf (fdstr, 32, " fd=%p", state->fd); + +        gf_log (this->name, GF_LOG_NORMAL, +                "%s%s => (%d, %d)%s", +                op, caller, op_ret, op_errno, fdstr); +} + + +void +server_print_request (call_frame_t *frame) +{ +        server_conf_t   *conf = NULL; +        xlator_t        *this = NULL; +        server_state_t  *state = NULL; +        char             resolve_vars[256]; +        char             resolve2_vars[256]; +        char             loc_vars[256]; +        char             loc2_vars[256]; +        char             other_vars[512]; +        char             caller[512]; +        char            *op = "UNKNOWN"; + +        this = frame->this; +        conf = this->private; + +        state = CALL_STATE (frame); + +        if (!conf->trace) +                return; + +        memset (resolve_vars, '\0', 256); +        memset (resolve2_vars, '\0', 256); +        memset (loc_vars, '\0', 256); +        memset (loc2_vars, '\0', 256); +        memset (other_vars, '\0', 256); + +        print_caller (caller, 256, frame); + +        if (!server_resolve_is_empty (&state->resolve)) { +                server_print_resolve (resolve_vars, 256, &state->resolve); +                server_print_loc (loc_vars, 256, &state->loc); +        } + +        if (!server_resolve_is_empty (&state->resolve2)) { +                server_print_resolve (resolve2_vars, 256, &state->resolve2); +                server_print_loc (loc2_vars, 256, &state->loc2); +        } + +        server_print_params (other_vars, 512, state); + +        switch (frame->root->type) { +        case GF_OP_TYPE_FOP: +                op = gf_fop_list[frame->root->op]; +                break; +        case GF_OP_TYPE_MGMT: +                op = gf_mgmt_list[frame->root->op]; +                break; +        default: +                op = ""; +                break; +        } + +        gf_log (this->name, GF_LOG_NORMAL, +                "%s%s%s%s%s%s%s", +                op, caller, +                resolve_vars, loc_vars, resolve2_vars, loc2_vars, other_vars); +} diff --git a/xlators/protocol/server/src/server-helpers.h b/xlators/protocol/server/src/server-helpers.h new file mode 100644 index 00000000000..4897336af69 --- /dev/null +++ b/xlators/protocol/server/src/server-helpers.h @@ -0,0 +1,89 @@ +/* +  Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> +  This file is part of GlusterFS. + +  GlusterFS is free software; you can redistribute it and/or modify +  it under the terms of the GNU General Public License as published +  by the Free Software Foundation; either version 3 of the License, +  or (at your option) any later version. + +  GlusterFS is distributed in the hope that it will be useful, but +  WITHOUT ANY WARRANTY; without even the implied warranty of +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +  General Public License for more details. + +  You should have received a copy of the GNU General Public License +  along with this program.  If not, see +  <http://www.gnu.org/licenses/>. +*/ + +#ifndef _SERVER_HELPERS_H +#define _SERVER_HELPERS_H + +#include "server.h" + +#define CALL_STATE(frame)   ((server_state_t *)frame->root->state) + +#define BOUND_XL(frame)     ((xlator_t *) CALL_STATE(frame)->conn->bound_xl) + +#define XPRT_FROM_FRAME(frame) ((rpc_transport_t *) CALL_STATE(frame)->xprt) + +#define SERVER_CONNECTION(frame)  \ +	((server_connection_t *) CALL_STATE(frame)->conn) + +#define SERVER_CONF(frame) \ +	((server_conf_t *)XPRT_FROM_FRAME(frame)->this->private) + +#define XPRT_FROM_XLATOR(this) ((((server_conf_t *)this->private))->listen) + +#define INODE_LRU_LIMIT(this)				\ +	(((server_conf_t *)(this->private))->config.inode_lru_limit) + +#define IS_ROOT_INODE(inode) (inode == inode->table->root) + +#define IS_NOT_ROOT(pathlen) ((pathlen > 2)? 1 : 0) + +char * +stat_to_str (struct iatt *stbuf); + +call_frame_t * +server_copy_frame (call_frame_t *frame); + +void free_state (server_state_t *state); + +void server_loc_wipe (loc_t *loc); + +int32_t +gf_add_locker (struct _lock_table *table, const char *volume, +	       loc_t *loc, +	       fd_t *fd, +	       pid_t pid); + +int32_t +gf_del_locker (struct _lock_table *table, const char *volume, +	       loc_t *loc, +	       fd_t *fd, +	       pid_t pid); + +int32_t +gf_direntry_to_bin (dir_entry_t *head, char *bufferp); + +void +server_print_request (call_frame_t *frame); + +call_frame_t * +get_frame_from_request (rpcsvc_request_t *req); + +server_connection_t * +get_server_conn_state (xlator_t *this, rpc_transport_t *xptr); + +server_connection_t * +create_server_conn_state (xlator_t *this, rpc_transport_t *xptr); + +void +destroy_server_conn_state (server_connection_t *conn); + +int +server_build_config (xlator_t *this, server_conf_t *conf); + +#endif /* !_SERVER_HELPERS_H */ diff --git a/xlators/protocol/server/src/server-mem-types.h b/xlators/protocol/server/src/server-mem-types.h new file mode 100644 index 00000000000..76c5ae1ac0c --- /dev/null +++ b/xlators/protocol/server/src/server-mem-types.h @@ -0,0 +1,37 @@ +/* +   Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> +   This file is part of GlusterFS. + +   GlusterFS is free software; you can redistribute it and/or modify +   it under the terms of the GNU General Public License as published +   by the Free Software Foundation; either version 3 of the License, +   or (at your option) any later version. + +   GlusterFS is distributed in the hope that it will be useful, but +   WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   General Public License for more details. + +   You should have received a copy of the GNU General Public License +   along with this program.  If not, see +   <http://www.gnu.org/licenses/>. +*/ + + +#ifndef __SERVER_MEM_TYPES_H__ +#define __SERVER_MEM_TYPES_H__ + +#include "mem-types.h" + +enum gf_server_mem_types_ { +        gf_server_mt_server_conf_t = gf_common_mt_end + 1, +        gf_server_mt_resolv_comp_t, +        gf_server_mt_state_t, +        gf_server_mt_locker_t, +        gf_server_mt_lock_table_t, +        gf_server_mt_conn_t, +        gf_server_mt_rsp_buf_t, +        gf_server_mt_volfile_ctx_t, +        gf_server_mt_end, +}; +#endif /* __SERVER_MEM_TYPES_H__ */ diff --git a/xlators/protocol/server/src/server-resolve.c b/xlators/protocol/server/src/server-resolve.c new file mode 100644 index 00000000000..77336216f19 --- /dev/null +++ b/xlators/protocol/server/src/server-resolve.c @@ -0,0 +1,655 @@ +/* +  Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> +  This file is part of GlusterFS. + +  GlusterFS is free software; you can redistribute it and/or modify +  it under the terms of the GNU General Public License as published +  by the Free Software Foundation; either version 3 of the License, +  or (at your option) any later version. + +  GlusterFS is distributed in the hope that it will be useful, but +  WITHOUT ANY WARRANTY; without even the implied warranty of +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +  General Public License for more details. + +  You should have received a copy of the GNU General Public License +  along with this program.  If not, see +  <http://www.gnu.org/licenses/>. +*/ + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "server.h" +#include "server-helpers.h" + + +int +server_resolve_all (call_frame_t *frame); +int +resolve_entry_simple (call_frame_t *frame); +int +resolve_inode_simple (call_frame_t *frame); +int +resolve_path_simple (call_frame_t *frame); + +int +component_count (const char *path) +{ +        int         count = 0; +        const char *trav = NULL; + +        trav = path; + +        for (trav = path; *trav; trav++) { +                if (*trav == '/') +                        count++; +        } + +        return count + 2; +} + + +int +prepare_components (call_frame_t *frame) +{ +        server_state_t       *state = NULL; +        xlator_t             *this = NULL; +        server_resolve_t     *resolve = NULL; +        char                 *resolved = NULL; +        int                   count = 0; +        struct resolve_comp  *components = NULL; +        int                   i = 0; +        char                 *trav = NULL; + + +        state = CALL_STATE (frame); +        this  = frame->this; +        resolve = state->resolve_now; + +        resolved = gf_strdup (resolve->path); +        resolve->resolved = resolved; + +        count = component_count (resolve->path); +        components = GF_CALLOC (sizeof (*components), count, +                                gf_server_mt_resolv_comp_t); +        resolve->components = components; + +        components[0].basename = ""; +        components[0].ino      = 1; +        components[0].gen      = 0; +        components[0].inode    = state->itable->root; + +        i = 1; +        for (trav = resolved; *trav; trav++) { +                if (*trav == '/') { +                        components[i].basename = trav + 1; +                        *trav = 0; +                        i++; +                } +        } + +        return 0; +} + + +int +resolve_loc_touchup (call_frame_t *frame) +{ +        server_state_t       *state = NULL; +        server_resolve_t     *resolve = NULL; +        loc_t                *loc = NULL; +        char                 *path = NULL; +        int                   ret = 0; + +        state = CALL_STATE (frame); + +        resolve = state->resolve_now; +        loc     = state->loc_now; + +        if (!loc->path) { +                if (loc->parent) { +                        ret = inode_path (loc->parent, resolve->bname, &path); +                } else if (loc->inode) { +                        ret = inode_path (loc->inode, NULL, &path); +                } + +                if (!path) +                        path = gf_strdup (resolve->path); + +                loc->path = path; +        } + +        loc->name = strrchr (loc->path, '/'); +        if (loc->name) +                loc->name++; + +        if (!loc->parent && loc->inode) { +                loc->parent = inode_parent (loc->inode, 0, NULL); +        } + +        return 0; +} + + +int +resolve_deep_continue (call_frame_t *frame) +{ +        server_state_t       *state = NULL; +        xlator_t             *this = NULL; +        server_resolve_t     *resolve = NULL; +        int                   ret = 0; + +        state = CALL_STATE (frame); +        this  = frame->this; +        resolve = state->resolve_now; + +        resolve->op_ret   = 0; +        resolve->op_errno = 0; + +        if (resolve->par) +                ret = resolve_entry_simple (frame); +        else if (resolve->ino) +                ret = resolve_inode_simple (frame); +        else if (resolve->path) +                ret = resolve_path_simple (frame); + +        resolve_loc_touchup (frame); + +        server_resolve_all (frame); + +        return 0; +} + + +int +resolve_deep_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                  int op_ret, int op_errno, inode_t *inode, struct iatt *buf, +                  dict_t *xattr, struct iatt *postparent) +{ +        server_state_t       *state = NULL; +        server_resolve_t     *resolve = NULL; +        struct resolve_comp  *components = NULL; +        int                   i = 0; +        inode_t              *link_inode = NULL; + +        state = CALL_STATE (frame); +        resolve = state->resolve_now; +        components = resolve->components; + +        i = (long) cookie; + +        if (op_ret == -1) { +                goto get_out_of_here; +        } + +        if (i != 0) { +                /* no linking for root inode */ +                link_inode = inode_link (inode, resolve->deep_loc.parent, +                                         resolve->deep_loc.name, buf); +                inode_lookup (link_inode); +                components[i].inode  = link_inode; +                link_inode = NULL; +        } + +        loc_wipe (&resolve->deep_loc); + +        i++; /* next component */ + +        if (!components[i].basename) { +                /* all components of the path are resolved */ +                goto get_out_of_here; +        } + +        /* join the current component with the path resolved until now */ +        *(components[i].basename - 1) = '/'; + +        resolve->deep_loc.path   = gf_strdup (resolve->resolved); +        resolve->deep_loc.parent = inode_ref (components[i-1].inode); +        resolve->deep_loc.inode  = inode_new (state->itable); +        resolve->deep_loc.name   = components[i].basename; + +        STACK_WIND_COOKIE (frame, resolve_deep_cbk, (void *) (long) i, +                           BOUND_XL (frame), BOUND_XL (frame)->fops->lookup, +                           &resolve->deep_loc, NULL); +        return 0; + +get_out_of_here: +        resolve_deep_continue (frame); +        return 0; +} + + +int +resolve_path_deep (call_frame_t *frame) +{ +        server_state_t     *state = NULL; +        xlator_t           *this = NULL; +        server_resolve_t   *resolve = NULL; +        int                 i = 0; + +        state = CALL_STATE (frame); +        this  = frame->this; +        resolve = state->resolve_now; + +        gf_log (BOUND_XL (frame)->name, GF_LOG_TRACE, +                "RESOLVE %s() seeking deep resolution of %s", +                gf_fop_list[frame->root->op], resolve->path); + +        prepare_components (frame); + +        /* start from the root */ +        resolve->deep_loc.inode = state->itable->root; +        resolve->deep_loc.path  = gf_strdup ("/"); +        resolve->deep_loc.name  = ""; + +        STACK_WIND_COOKIE (frame, resolve_deep_cbk, (void *) (long) i, +                           BOUND_XL (frame), BOUND_XL (frame)->fops->lookup, +                           &resolve->deep_loc, NULL); +        return 0; +} + + +int +resolve_path_simple (call_frame_t *frame) +{ +        server_state_t       *state = NULL; +        xlator_t             *this = NULL; +        server_resolve_t     *resolve = NULL; +        struct resolve_comp  *components = NULL; +        int                   ret = -1; +        int                   par_idx = 0; +        int                   ino_idx = 0; +        int                   i = 0; + +        state = CALL_STATE (frame); +        this  = frame->this; +        resolve = state->resolve_now; +        components = resolve->components; + +        if (!components) { +                resolve->op_ret   = -1; +                resolve->op_errno = ENOENT; +                goto out; +        } + +        for (i = 0; components[i].basename; i++) { +                par_idx = ino_idx; +                ino_idx = i; +        } + +        if (!components[par_idx].inode) { +                resolve->op_ret    = -1; +                resolve->op_errno  = ENOENT; +                goto out; +        } + +        if (!components[ino_idx].inode && +            (resolve->type == RESOLVE_MUST || resolve->type == RESOLVE_EXACT)) { +                resolve->op_ret    = -1; +                resolve->op_errno  = ENOENT; +                goto out; +        } + +        if (components[ino_idx].inode && resolve->type == RESOLVE_NOT) { +                resolve->op_ret    = -1; +                resolve->op_errno  = EEXIST; +                goto out; +        } + +        if (components[ino_idx].inode) +                state->loc_now->inode  = inode_ref (components[ino_idx].inode); +        state->loc_now->parent = inode_ref (components[par_idx].inode); + +        ret = 0; + +out: +        return ret; +} + +/* +  Check if the requirements are fulfilled by entries in the inode cache itself +  Return value: +  <= 0 - simple resolution was decisive and complete (either success or failure) +  > 0  - indecisive, need to perform deep resolution +*/ + +int +resolve_entry_simple (call_frame_t *frame) +{ +        server_state_t     *state = NULL; +        xlator_t           *this = NULL; +        server_resolve_t   *resolve = NULL; +        inode_t            *parent = NULL; +        inode_t            *inode = NULL; +        int                 ret = 0; + +        state = CALL_STATE (frame); +        this  = frame->this; +        resolve = state->resolve_now; + +        parent = inode_get (state->itable, resolve->par, 0); +        if (!parent) { +                /* simple resolution is indecisive. need to perform +                   deep resolution */ +                resolve->op_ret   = -1; +                resolve->op_errno = ENOENT; +                ret = 1; + +                inode = inode_grep (state->itable, parent, resolve->bname); +                if (inode != NULL) { +                        gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": inode " +                                "(pointer:%p ino: %"PRIu64") present but parent" +                                " is NULL for path (%s)", frame->root->unique, +                                inode, inode->ino, resolve->path); +                        inode_unref (inode); +                } +                goto out; +        } + +        if (parent->ino != 1 && parent->generation != resolve->gen) { +                /* simple resolution is decisive - request was for a +                   stale handle */ +                resolve->op_ret   = -1; +                resolve->op_errno = ENOENT; +                ret = -1; +                goto out; +        } + +        /* expected @parent was found from the inode cache */ +        state->loc_now->parent = inode_ref (parent); + +        inode = inode_grep (state->itable, parent, resolve->bname); +        if (!inode) { +                switch (resolve->type) { +                case RESOLVE_DONTCARE: +                case RESOLVE_NOT: +                        ret = 0; +                        break; +                case RESOLVE_MAY: +                        ret = 1; +                        break; +                default: +                        resolve->op_ret   = -1; +                        resolve->op_errno = ENOENT; +                        ret = 1; +                        break; +                } + +                goto out; +        } + +        if (resolve->type == RESOLVE_NOT) { +                gf_log (this->name, GF_LOG_DEBUG, "inode (pointer: %p ino:%" +                        PRIu64") found for path (%s) while type is RESOLVE_NOT", +                        inode, inode->ino, resolve->path); +                resolve->op_ret   = -1; +                resolve->op_errno = EEXIST; +                ret = -1; +                goto out; +        } + +        ret = 0; + +        state->loc_now->inode  = inode_ref (inode); + +out: +        if (parent) +                inode_unref (parent); + +        if (inode) +                inode_unref (inode); + +        return ret; +} + + +int +server_resolve_entry (call_frame_t *frame) +{ +        server_state_t     *state = NULL; +        xlator_t           *this = NULL; +        server_resolve_t   *resolve = NULL; +        int                 ret = 0; +        loc_t              *loc = NULL; + +        state = CALL_STATE (frame); +        this  = frame->this; +        resolve = state->resolve_now; +        loc  = state->loc_now; + +        ret = resolve_entry_simple (frame); + +        if (ret > 0) { +                loc_wipe (loc); +                resolve_path_deep (frame); +                return 0; +        } + +        if (ret == 0) +                resolve_loc_touchup (frame); + +        server_resolve_all (frame); + +        return 0; +} + + +int +resolve_inode_simple (call_frame_t *frame) +{ +        server_state_t     *state = NULL; +        xlator_t           *this = NULL; +        server_resolve_t   *resolve = NULL; +        inode_t            *inode = NULL; +        int                 ret = 0; + +        state = CALL_STATE (frame); +        this  = frame->this; +        resolve = state->resolve_now; + +        if (resolve->type == RESOLVE_EXACT) { +                inode = inode_get (state->itable, resolve->ino, resolve->gen); +        } else { +                inode = inode_get (state->itable, resolve->ino, 0); +        } + +        if (!inode) { +                resolve->op_ret   = -1; +                resolve->op_errno = ENOENT; +                ret = 1; +                goto out; +        } + +        if (inode->ino != 1 && inode->generation != resolve->gen) { +                resolve->op_ret      = -1; +                resolve->op_errno    = ENOENT; +                ret = -1; +                goto out; +        } + +        ret = 0; + +        state->loc_now->inode = inode_ref (inode); + +out: +        if (inode) +                inode_unref (inode); + +        return ret; +} + + +int +server_resolve_inode (call_frame_t *frame) +{ +        server_state_t     *state = NULL; +        xlator_t           *this = NULL; +        server_resolve_t   *resolve = NULL; +        int                 ret = 0; +        loc_t              *loc = NULL; + +        state = CALL_STATE (frame); +        this  = frame->this; +        resolve = state->resolve_now; +        loc  = state->loc_now; + +        ret = resolve_inode_simple (frame); + +        if (ret > 0) { +                loc_wipe (loc); +                resolve_path_deep (frame); +                return 0; +        } + +        if (ret == 0) +                resolve_loc_touchup (frame); + +        server_resolve_all (frame); + +        return 0; +} + + +int +server_resolve_fd (call_frame_t *frame) +{ +        server_state_t       *state = NULL; +        xlator_t             *this = NULL; +        server_resolve_t     *resolve = NULL; +        server_connection_t  *conn = NULL; +        uint64_t              fd_no = -1; + +        state = CALL_STATE (frame); +        this  = frame->this; +        resolve = state->resolve_now; +        conn  = SERVER_CONNECTION (frame); + +        fd_no = resolve->fd_no; + +        state->fd = gf_fd_fdptr_get (conn->fdtable, fd_no); + +        if (!state->fd) { +                resolve->op_ret   = -1; +                resolve->op_errno = EBADF; +        } + +        server_resolve_all (frame); + +        return 0; +} + + +int +server_resolve (call_frame_t *frame) +{ +        server_state_t     *state = NULL; +        xlator_t           *this = NULL; +        server_resolve_t   *resolve = NULL; + +        state = CALL_STATE (frame); +        this  = frame->this; +        resolve = state->resolve_now; + +        if (resolve->fd_no != -1) { + +                server_resolve_fd (frame); + +        } else if (resolve->par) { + +                server_resolve_entry (frame); + +        } else if (resolve->ino) { + +                server_resolve_inode (frame); + +        } else if (resolve->path) { + +                resolve_path_deep (frame); + +        } else  { + +                resolve->op_ret = -1; +                resolve->op_errno = EINVAL; + +                server_resolve_all (frame); +        } + +        return 0; +} + + +int +server_resolve_done (call_frame_t *frame) +{ +        server_state_t    *state = NULL; +        xlator_t          *bound_xl = NULL; + +        state = CALL_STATE (frame); +        bound_xl = BOUND_XL (frame); + +        server_print_request (frame); + +        state->resume_fn (frame, bound_xl); + +        return 0; +} + + +/* + * This function is called multiple times, once per resolving one location/fd. + * state->resolve_now is used to decide which location/fd is to be resolved now + */ +int +server_resolve_all (call_frame_t *frame) +{ +        server_state_t    *state = NULL; +        xlator_t          *this = NULL; + +        this  = frame->this; +        state = CALL_STATE (frame); + +        if (state->resolve_now == NULL) { + +                state->resolve_now = &state->resolve; +                state->loc_now     = &state->loc; + +                server_resolve (frame); + +        } else if (state->resolve_now == &state->resolve) { + +                state->resolve_now = &state->resolve2; +                state->loc_now     = &state->loc2; + +                server_resolve (frame); + +        } else if (state->resolve_now == &state->resolve2) { + +                server_resolve_done (frame); + +        } else { +                gf_log (this->name, GF_LOG_ERROR, +                        "Invalid pointer for state->resolve_now"); +        } + +        return 0; +} + + +int +resolve_and_resume (call_frame_t *frame, server_resume_fn_t fn) +{ +        server_state_t    *state = NULL; +        xlator_t          *this  = NULL; + +        state = CALL_STATE (frame); +        state->resume_fn = fn; + +        this = frame->this; + +        server_resolve_all (frame); + +        return 0; +} diff --git a/xlators/protocol/server/src/server.c b/xlators/protocol/server/src/server.c new file mode 100644 index 00000000000..18be607a94d --- /dev/null +++ b/xlators/protocol/server/src/server.c @@ -0,0 +1,687 @@ +/* +  Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> +  This file is part of GlusterFS. + +  GlusterFS is free software; you can redistribute it and/or modify +  it under the terms of the GNU General Public License as published +  by the Free Software Foundation; either version 3 of the License, +  or (at your option) any later version. + +  GlusterFS is distributed in the hope that it will be useful, but +  WITHOUT ANY WARRANTY; without even the implied warranty of +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +  General Public License for more details. + +  You should have received a copy of the GNU General Public License +  along with this program.  If not, see +  <http://www.gnu.org/licenses/>. +*/ + + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include <sys/time.h> +#include <sys/resource.h> + +#include "server.h" +#include "server-helpers.h" +#include "glusterfs-xdr.h" +#include "call-stub.h" +#include "statedump.h" +#include "defaults.h" +#include "authenticate.h" +#include "rpcsvc.h" + +struct iobuf * +gfs_serialize_reply (rpcsvc_request_t *req, void *arg, gfs_serialize_t sfunc, +                     struct iovec *outmsg) +{ +        struct iobuf            *iob = NULL; +        ssize_t                  retlen = -1; + +        /* First, get the io buffer into which the reply in arg will +         * be serialized. +         */ +        iob = iobuf_get (req->conn->svc->ctx->iobuf_pool); +        if (!iob) { +                gf_log ("", GF_LOG_ERROR, "Failed to get iobuf"); +                goto ret; +        } + +        iobuf_to_iovec (iob, outmsg); +        /* Use the given serializer to translate the give C structure in arg +         * to XDR format which will be written into the buffer in outmsg. +         */ +        /* retlen is used to received the error since size_t is unsigned and we +         * need -1 for error notification during encoding. +         */ +        retlen = sfunc (*outmsg, arg); +        if (retlen == -1) { +                gf_log ("", GF_LOG_ERROR, "Failed to encode message"); +                goto ret; +        } + +        outmsg->iov_len = retlen; +ret: +        if (retlen == -1) { +                iobuf_unref (iob); +                iob = NULL; +        } + +        return iob; +} + + + +/* Generic reply function for NFSv3 specific replies. */ +int +server_submit_reply (call_frame_t *frame, rpcsvc_request_t *req, void *arg, +                     struct iovec *payload, int payloadcount, +                     struct iobref *iobref, gfs_serialize_t sfunc) +{ +        struct iobuf           *iob        = NULL; +        int                     ret        = -1; +        struct iovec            rsp        = {0,}; +        server_state_t         *state      = NULL; +        char                    new_iobref = 0; + +        if (!req) { +                goto ret; +        } + +        if (frame) { +                state = CALL_STATE (frame); +        } + +        if (!iobref) { +                iobref = iobref_new (); +                if (!iobref) { +                        gf_log ("", GF_LOG_ERROR, "out of memory"); +                        goto ret; +                } + +                new_iobref = 1; +        } + +        iob = gfs_serialize_reply (req, arg, sfunc, &rsp); +        if (!iob) { +                gf_log ("", GF_LOG_ERROR, "Failed to serialize reply"); +                goto ret; +        } + +        iobref_add (iobref, iob); + +        /* Then, submit the message for transmission. */ +        ret = rpcsvc_submit_generic (req, &rsp, 1, payload, payloadcount, +                                     iobref); + +        /* Now that we've done our job of handing the message to the RPC layer +         * we can safely unref the iob in the hope that RPC layer must have +         * ref'ed the iob on receiving into the txlist. +         */ +        iobuf_unref (iob); +        if (ret == -1) { +                gf_log ("", GF_LOG_ERROR, "Reply submission failed"); +                goto ret; +        } + +        ret = 0; +ret: +        if (state) { +                free_state (state); +        } + +        if (frame) { +                STACK_DESTROY (frame->root); +        } + +        if (new_iobref) { +                iobref_unref (iobref); +        } + +        return ret; +} + +/* */ +int +xdr_to_glusterfs_req (rpcsvc_request_t *req, void *arg, gfs_serialize_t sfunc) +{ +        int                     ret = -1; + +        if (!req) +                return -1; + +        ret = sfunc (req->msg[0], arg); + +        if (ret > 0) +                ret = 0; + +        return ret; +} + + +#if 0 +/* + * prototype of operations function for each of mop and + * fop at server protocol level + * + * @frame: call frame pointer + * @bound_xl: the xlator that this frame is bound to + * @params: parameters dictionary + * + * to be used by protocol interpret, _not_ for exterenal reference + */ +typedef int32_t (*gf_op_t) (call_frame_t *frame, xlator_t *bould_xl, +                            gf_hdr_common_t *hdr, size_t hdrlen, +                            struct iobuf *iobuf); + + +static gf_op_t gf_fops[] = { +        [GF_FOP_STAT]         =  server_stat, +        [GF_FOP_READLINK]     =  server_readlink, +        [GF_FOP_MKNOD]        =  server_mknod, +        [GF_FOP_MKDIR]        =  server_mkdir, +        [GF_FOP_UNLINK]       =  server_unlink, +        [GF_FOP_RMDIR]        =  server_rmdir, +        [GF_FOP_SYMLINK]      =  server_symlink, +        [GF_FOP_RENAME]       =  server_rename, +        [GF_FOP_LINK]         =  server_link, +        [GF_FOP_TRUNCATE]     =  server_truncate, +        [GF_FOP_OPEN]         =  server_open, +        [GF_FOP_READ]         =  server_readv, +        [GF_FOP_WRITE]        =  server_writev, +        [GF_FOP_STATFS]       =  server_statfs, +        [GF_FOP_FLUSH]        =  server_flush, +        [GF_FOP_FSYNC]        =  server_fsync, +        [GF_FOP_SETXATTR]     =  server_setxattr, +        [GF_FOP_GETXATTR]     =  server_getxattr, +        [GF_FOP_FGETXATTR]    =  server_fgetxattr, +        [GF_FOP_FSETXATTR]    =  server_fsetxattr, +        [GF_FOP_REMOVEXATTR]  =  server_removexattr, +        [GF_FOP_OPENDIR]      =  server_opendir, +        [GF_FOP_FSYNCDIR]     =  server_fsyncdir, +        [GF_FOP_ACCESS]       =  server_access, +        [GF_FOP_CREATE]       =  server_create, +        [GF_FOP_FTRUNCATE]    =  server_ftruncate, +        [GF_FOP_FSTAT]        =  server_fstat, +        [GF_FOP_LK]           =  server_lk, +        [GF_FOP_LOOKUP]       =  server_lookup, +        [GF_FOP_READDIR]      =  server_readdir, +        [GF_FOP_READDIRP]     =  server_readdirp, +        [GF_FOP_INODELK]      =  server_inodelk, +        [GF_FOP_FINODELK]     =  server_finodelk, +        [GF_FOP_ENTRYLK]      =  server_entrylk, +        [GF_FOP_FENTRYLK]     =  server_fentrylk, +        [GF_FOP_CHECKSUM]     =  server_checksum, +        [GF_FOP_RCHECKSUM]    =  server_rchecksum, +        [GF_FOP_XATTROP]      =  server_xattrop, +        [GF_FOP_FXATTROP]     =  server_fxattrop, +        [GF_FOP_SETATTR]      =  server_setattr, +        [GF_FOP_FSETATTR]     =  server_fsetattr, +        [GF_FOP_SETDENTS]     =  server_setdents, +        [GF_FOP_GETDENTS]     =  server_getdents, +        [GF_FOP_LOCK_NOTIFY]  =  server_lock_notify, +        [GF_FOP_LOCK_FNOTIFY] =  server_lock_fnotify, +}; + +static gf_op_t gf_cbks[] = { +        [GF_CBK_FORGET]     = server_forget, +        [GF_CBK_RELEASE]    = server_release, +        [GF_CBK_RELEASEDIR] = server_releasedir +}; + +#endif + +int +server_fd (xlator_t *this) +{ +         server_conf_t        *conf = NULL; +         server_connection_t  *trav = NULL; +         char                 key[GF_DUMP_MAX_BUF_LEN]; +         int                  i = 1; +         int                  ret = -1; + +         if (!this) +                 return -1; + +         conf = this->private; +         if (!conf) { +                gf_log (this->name, GF_LOG_WARNING, +                        "conf null in xlator"); +                return -1; +         } + +         gf_proc_dump_add_section("xlator.protocol.server.conn"); + +         ret = pthread_mutex_trylock (&conf->mutex); +         if (ret) { +                gf_log("", GF_LOG_WARNING, "Unable to dump fdtable" +                " errno: %d", errno); +                return -1; +        } + +         list_for_each_entry (trav, &conf->conns, list) { +                 if (trav->id) { +                         gf_proc_dump_build_key(key, +                                          "xlator.protocol.server.conn", +                                          "%d.id", i); +                         gf_proc_dump_write(key, "%s", trav->id); +                 } + +                 gf_proc_dump_build_key(key,"xlator.protocol.server.conn", +                                        "%d.ref",i) +                 gf_proc_dump_write(key, "%d", trav->ref); +                 if (trav->bound_xl) { +                         gf_proc_dump_build_key(key, +                                          "xlator.protocol.server.conn", +                                          "%d.bound_xl", i); +                         gf_proc_dump_write(key, "%s", trav->bound_xl->name); +                 } + +                 gf_proc_dump_build_key(key, +                                        "xlator.protocol.server.conn", +                                         "%d.id", i); +                 fdtable_dump(trav->fdtable,key); +                 i++; +         } +        pthread_mutex_unlock (&conf->mutex); + + +        return 0; + } + +int +server_priv (xlator_t *this) +{ +        return 0; +} + +int +server_inode (xlator_t *this) +{ +         server_conf_t        *conf = NULL; +         server_connection_t  *trav = NULL; +         char                 key[GF_DUMP_MAX_BUF_LEN]; +         int                  i = 1; +         int                  ret = -1; + +         if (!this) +                 return -1; + +         conf = this->private; +         if (!conf) { +                gf_log (this->name, GF_LOG_WARNING, +                        "conf null in xlator"); +                return -1; +         } + +         ret = pthread_mutex_trylock (&conf->mutex); +         if (ret) { +                gf_log("", GF_LOG_WARNING, "Unable to dump itable" +                " errno: %d", errno); +                return -1; +        } + +        list_for_each_entry (trav, &conf->conns, list) { +                 if (trav->bound_xl && trav->bound_xl->itable) { +                         gf_proc_dump_build_key(key, +                                          "xlator.protocol.server.conn", +                                          "%d.bound_xl.%s", +                                          i, trav->bound_xl->name); +                         inode_table_dump(trav->bound_xl->itable,key); +                         i++; +                 } +        } +        pthread_mutex_unlock (&conf->mutex); + + +        return 0; +} + + +static void +get_auth_types (dict_t *this, char *key, data_t *value, void *data) +{ +        dict_t   *auth_dict = NULL; +        char     *saveptr = NULL; +        char     *tmp = NULL; +        char     *key_cpy = NULL; +        int32_t   ret = -1; + +        auth_dict = data; +        key_cpy = gf_strdup (key); +        GF_VALIDATE_OR_GOTO("server", key_cpy, out); + +        tmp = strtok_r (key_cpy, ".", &saveptr); +        ret = strcmp (tmp, "auth"); +        if (ret == 0) { +                tmp = strtok_r (NULL, ".", &saveptr); +                if (strcmp (tmp, "ip") == 0) { +                        /* TODO: backward compatibility, remove when +                           newer versions are available */ +                        tmp = "addr"; +                        gf_log ("server", GF_LOG_WARNING, +                                "assuming 'auth.ip' to be 'auth.addr'"); +                } +                ret = dict_set_dynptr (auth_dict, tmp, NULL, 0); +                if (ret < 0) { +                        gf_log ("server", GF_LOG_DEBUG, +                                "failed to dict_set_dynptr"); +                } +        } + +        GF_FREE (key_cpy); +out: +        return; +} + + +int +validate_auth_options (xlator_t *this, dict_t *dict) +{ +        int            ret = -1; +        int            error = 0; +        xlator_list_t *trav = NULL; +        data_pair_t   *pair = NULL; +        char          *saveptr = NULL; +        char          *tmp = NULL; +        char          *key_cpy = NULL; + +        trav = this->children; +        while (trav) { +                error = -1; +                for (pair = dict->members_list; pair; pair = pair->next) { +                        key_cpy = gf_strdup (pair->key); +                        tmp = strtok_r (key_cpy, ".", &saveptr); +                        ret = strcmp (tmp, "auth"); +                        if (ret == 0) { +                                /* for module type */ +                                tmp = strtok_r (NULL, ".", &saveptr); +                                /* for volume name */ +                                tmp = strtok_r (NULL, ".", &saveptr); +                        } + +                        if (strcmp (tmp, trav->xlator->name) == 0) { +                                error = 0; +                                GF_FREE (key_cpy); +                                break; +                        } +                        GF_FREE (key_cpy); +                } +                if (-1 == error) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "volume '%s' defined as subvolume, but no " +                                "authentication defined for the same", +                                trav->xlator->name); +                        break; +                } +                trav = trav->next; +        } + +        return error; +} + + +int +server_rpc_notify (rpcsvc_t *rpc, void *xl, rpcsvc_event_t event, +                   void *data) +{ +        xlator_t            *this = NULL; +        rpc_transport_t     *xprt = NULL; +        server_connection_t *conn = NULL; + +        if (!xl || !data) { +                gf_log ("server", GF_LOG_WARNING, +                        "Calling rpc_notify without initializing"); +                goto out; +        } + +        this = xl; +        xprt = data; + +        switch (event) { +        case RPCSVC_EVENT_ACCEPT: +        { +                /* Have a structure per new connection */ +                /* TODO: Should we create anything here at all ? * / +                conn = create_server_conn_state (this, xprt); +                if (!conn) +                        goto out; + +                xprt->protocol_private = conn; +                */ +                xprt->mydata = this; +                break; +        } +        case RPCSVC_EVENT_DISCONNECT: +                conn = get_server_conn_state (this, xprt); +                if (conn) +                        destroy_server_conn_state (conn); + +                break; +        default: +                break; +        } + +out: +        return 0; +} + +static int32_t +mem_acct_init (xlator_t *this) +{ +        int     ret = -1; + +        if (!this) +                return ret; + +        ret = xlator_mem_acct_init (this, gf_server_mt_end + 1); + +        if (ret != 0) { +                gf_log (this->name, GF_LOG_ERROR, "Memory accounting init" +                                "failed"); +                return ret; +        } + +        return ret; +} + +int +init (xlator_t *this) +{ +        int32_t        ret = -1; +        server_conf_t *conf = NULL; + +        if (this->children == NULL) { +                gf_log (this->name, GF_LOG_ERROR, +                        "protocol/server should have subvolume"); +                goto out; +        } + +        if (this->parents != NULL) { +                gf_log (this->name, GF_LOG_ERROR, +                        "protocol/server should not have parent volumes"); +                goto out; +        } + +        ret = mem_acct_init (this); +        if (ret) +                goto out; + +        conf = GF_CALLOC (1, sizeof (server_conf_t), 0); +        GF_VALIDATE_OR_GOTO(this->name, conf, out); + +        INIT_LIST_HEAD (&conf->conns); +        pthread_mutex_init (&conf->mutex, NULL); + +        this->private = conf; + +        ret = server_build_config (this, conf); +        if (ret) +                goto out; + +        /* Authentication modules */ +        conf->auth_modules = dict_new (); +        GF_VALIDATE_OR_GOTO(this->name, conf->auth_modules, out); + +        dict_foreach (this->options, get_auth_types, conf->auth_modules); +        ret = validate_auth_options (this, this->options); +        if (ret == -1) { +                /* logging already done in validate_auth_options function. */ +                goto out; +        } + +        ret = gf_auth_init (this, conf->auth_modules); +        if (ret) { +                dict_unref (conf->auth_modules); +                goto out; +        } + +        /* RPC related */ +        //conf->rpc = rpc_svc_init (&conf->rpc_conf); +        conf->rpc = rpcsvc_init (this->ctx, this->options); +        if (!conf->rpc) { +                ret = -1; +                goto out; +        } + +        ret = rpcsvc_register_notify (conf->rpc, server_rpc_notify, this); +        if (ret) +                goto out; + +        glusterfs3_1_fop_prog.options = this->options; +        ret = rpcsvc_program_register (conf->rpc, glusterfs3_1_fop_prog); +        if (ret) +                goto out; + +        gluster_handshake_prog.options = this->options; +        ret = rpcsvc_program_register (conf->rpc, gluster_handshake_prog); +        if (ret) +                goto out; + +#ifndef GF_DARWIN_HOST_OS +        { +                struct rlimit lim; + +                lim.rlim_cur = 1048576; +                lim.rlim_max = 1048576; + +                if (setrlimit (RLIMIT_NOFILE, &lim) == -1) { +                        gf_log (this->name, GF_LOG_WARNING, +                                "WARNING: Failed to set 'ulimit -n 1M': %s", +                                strerror(errno)); +                        lim.rlim_cur = 65536; +                        lim.rlim_max = 65536; + +                        if (setrlimit (RLIMIT_NOFILE, &lim) == -1) { +                                gf_log (this->name, GF_LOG_WARNING, +                                        "Failed to set max open fd to 64k: %s", +                                        strerror(errno)); +                        } else { +                                gf_log (this->name, GF_LOG_TRACE, +                                        "max open fd set to 64k"); +                        } +                } +        } +#endif + +        ret = 0; +out: +        if (ret) +                this->fini (this); + + +        return ret; +} + + +void +fini (xlator_t *this) +{ +        server_conf_t *conf = NULL; + +        conf = this->private; + +        if (conf) { +                if (conf->rpc) { +                        /* TODO: memory leak here, have to free RPC */ +                        /* +                        if (conf->rpc->conn) { +                                rpcsvc_conn_destroy (conf->rpc->conn); +                        } +                        rpcsvc_fini (conf->rpc); +                        */ +                        ; +                } + +                if (conf->conf_dir) +                        GF_FREE (conf->conf_dir); + +                if (conf->auth_modules) +                        dict_unref (conf->auth_modules); + +                GF_FREE (conf); +        } + +        this->private = NULL; + +        return; +} + +int +notify (xlator_t *this, int32_t event, void *data, ...) +{ +        int          ret = 0; +        switch (event) { +        default: +                default_notify (this, event, data); +                break; +        } + +        return ret; +} + + +struct xlator_fops fops = { +}; + +struct xlator_cbks cbks = { +}; + +struct xlator_dumpops dumpops = { +        .priv  = server_priv, +        .fd    = server_fd, +        .inode = server_inode, +}; + + +struct volume_options options[] = { +        { .key   = {"transport-type"}, +          .value = {"rpc", "rpc-over-rdma", "tcp", "socket", "ib-verbs", +                    "unix", "ib-sdp", "tcp/server", "ib-verbs/server"}, +          .type  = GF_OPTION_TYPE_STR +        }, +        { .key   = {"volume-filename.*"}, +          .type  = GF_OPTION_TYPE_PATH, +        }, +        { .key   = {"inode-lru-limit"}, +          .type  = GF_OPTION_TYPE_INT, +          .min   = 0, +          .max   = (1 * GF_UNIT_MB) +        }, +        { .key   = {"verify-volfile-checksum"}, +          .type  = GF_OPTION_TYPE_BOOL +        }, +        { .key   = {"trace"}, +          .type  = GF_OPTION_TYPE_BOOL +        }, +        { .key   = {"config-directory", +                    "conf-dir"}, +          .type  = GF_OPTION_TYPE_PATH, +        }, + +        { .key   = {NULL} }, +}; diff --git a/xlators/protocol/server/src/server.h b/xlators/protocol/server/src/server.h new file mode 100644 index 00000000000..aaa036e83b6 --- /dev/null +++ b/xlators/protocol/server/src/server.h @@ -0,0 +1,203 @@ +/* +  Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> +  This file is part of GlusterFS. + +  GlusterFS is free software; you can redistribute it and/or modify +  it under the terms of the GNU General Public License as published +  by the Free Software Foundation; either version 3 of the License, +  or (at your option) any later version. + +  GlusterFS is distributed in the hope that it will be useful, but +  WITHOUT ANY WARRANTY; without even the implied warranty of +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +  General Public License for more details. + +  You should have received a copy of the GNU General Public License +  along with this program.  If not, see +  <http://www.gnu.org/licenses/>. +*/ + +#ifndef _SERVER_H +#define _SERVER_H + +#include <pthread.h> + +#include "rpcsvc.h" + +#include "fd.h" +#include "protocol-common.h" + +#include "server-mem-types.h" + +#define DEFAULT_BLOCK_SIZE         4194304   /* 4MB */ +#define DEFAULT_VOLUME_FILE_PATH   CONFDIR "/glusterfs.vol" + +typedef struct _server_state server_state_t; + +struct _locker { +	struct list_head  lockers; +        char             *volume; +	loc_t             loc; +	fd_t             *fd; +	pid_t             pid; +}; + +struct _lock_table { +	struct list_head  file_lockers; +	struct list_head  dir_lockers; +	gf_lock_t         lock; +	size_t            count; +}; + + +/* private structure per connection (transport object) + * used as transport_t->xl_private + */ +struct _server_connection { +	struct list_head    list; +	char               *id; +	int                 ref; +        int                 active_transports; +	pthread_mutex_t     lock; +	char                disconnected; +	fdtable_t          *fdtable; +	struct _lock_table *ltable; +	xlator_t           *bound_xl; +        xlator_t           *this; +}; + +typedef struct _server_connection server_connection_t; + + +server_connection_t * +server_connection_get (xlator_t *this, const char *id); + +void +server_connection_put (xlator_t *this, server_connection_t *conn); + +int +server_connection_destroy (xlator_t *this, server_connection_t *conn); + +int +server_connection_cleanup (xlator_t *this, server_connection_t *conn); + +int server_null (rpcsvc_request_t *req); + +struct _volfile_ctx { +        struct _volfile_ctx *next; +        char                *key; +        uint32_t             checksum; +}; + +struct server_conf { +        rpcsvc_t               *rpc; +        struct rpcsvc_config    rpc_conf; +        int                     inode_lru_limit; +        gf_boolean_t            verify_volfile; +        gf_boolean_t            trace; +        char                   *conf_dir; +        struct _volfile_ctx    *volfile; + +	dict_t                 *auth_modules; +	pthread_mutex_t         mutex; +	struct list_head        conns; +}; +typedef struct server_conf server_conf_t; + + +typedef enum { +        RESOLVE_MUST = 1, +        RESOLVE_NOT, +        RESOLVE_MAY, +        RESOLVE_DONTCARE, +        RESOLVE_EXACT +} server_resolve_type_t; + + +struct resolve_comp { +        char      *basename; +        ino_t      ino; +        uint64_t   gen; +        inode_t   *inode; +}; + +typedef struct { +        server_resolve_type_t  type; +        uint64_t               fd_no; +        ino_t                  ino; +        uint64_t               gen; +        ino_t                  par; +        char                  *path; +        char                  *bname; +	char                  *resolved; +        int                    op_ret; +        int                    op_errno; +        loc_t                  deep_loc; +        struct resolve_comp   *components; +        int                    comp_count; +} server_resolve_t; + + +typedef int (*server_resume_fn_t) (call_frame_t *frame, xlator_t *bound_xl); + +int +resolve_and_resume (call_frame_t *frame, server_resume_fn_t fn); + +struct _server_state { +        server_connection_t  *conn; +        rpc_transport_t      *xprt; +        inode_table_t        *itable; + +        server_resume_fn_t    resume_fn; + +	loc_t             loc; +	loc_t             loc2; +        server_resolve_t  resolve; +        server_resolve_t  resolve2; + +        /* used within resolve_and_resume */ +        loc_t            *loc_now; +        server_resolve_t *resolve_now; + +        struct iatt       stbuf; +        int               valid; + +	fd_t             *fd; +	int               flags; +        int               wbflags; +        struct iobuf     *iobuf; +        struct iobref    *iobref; + +	size_t            size; +	off_t             offset; +	mode_t            mode; +	dev_t             dev; +	size_t            nr_count; +	int               cmd; +	int               type; +	char             *name; +	int               name_len; + +	int               mask; +	char              is_revalidate; +	dict_t           *dict; +	struct flock      flock; +        const char       *volume; +        dir_entry_t      *entry; +}; + +extern struct rpcsvc_program gluster_handshake_prog; +extern struct rpcsvc_program glusterfs3_1_fop_prog; +extern struct rpcsvc_program gluster_ping_prog; + +typedef ssize_t (*gfs_serialize_t) (struct iovec outmsg, void *args); + +int +server_submit_reply (call_frame_t *frame, rpcsvc_request_t *req, void *arg, +                     struct iovec *payload, int payloadcount, +                     struct iobref *iobref, gfs_serialize_t sfunc); + +int xdr_to_glusterfs_req (rpcsvc_request_t *req, void *arg, +                          gfs_serialize_t sfunc); + +#endif /* !_SERVER_H */ diff --git a/xlators/protocol/server/src/server3_1-fops.c b/xlators/protocol/server/src/server3_1-fops.c new file mode 100644 index 00000000000..4156e7be96f --- /dev/null +++ b/xlators/protocol/server/src/server3_1-fops.c @@ -0,0 +1,4839 @@ +/* +  Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> +  This file is part of GlusterFS. + +  GlusterFS is free software; you can redistribute it and/or modify +  it under the terms of the GNU General Public License as published +  by the Free Software Foundation; either version 3 of the License, +  or (at your option) any later version. + +  GlusterFS is distributed in the hope that it will be useful, but +  WITHOUT ANY WARRANTY; without even the implied warranty of +  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +  General Public License for more details. + +  You should have received a copy of the GNU General Public License +  along with this program.  If not, see +  <http://www.gnu.org/licenses/>. +*/ + + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "server.h" +#include "server-helpers.h" +#include "glusterfs-xdr.h" +#include "msg-xdr.h" +#include "compat-errno.h" + +#include "md5.h" + +#define SERVER_PATH_MAX  (16 * 1024) + +/* Callback function section */ +int +server_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                   int32_t op_ret, int32_t op_errno, struct statvfs *buf) +{ +        gfs3_statfs_rsp   rsp = {0,}; +        rpcsvc_request_t *req = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        if (op_ret >= 0) { +                gf_statfs_from_statfs (&rsp.statfs, buf); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_statfs_rsp); + +        return 0; +} + +int +server_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                   int32_t op_ret, int32_t op_errno, +                   inode_t *inode, struct iatt *stbuf, dict_t *dict, +                   struct iatt *postparent) +{ +        rpcsvc_request_t *req        = NULL; +        server_state_t   *state      = NULL; +        inode_t          *root_inode = NULL; +        inode_t          *link_inode = NULL; +        loc_t             fresh_loc  = {0,}; +        gfs3_lookup_rsp   rsp        = {0, }; +        int32_t           ret        = -1; + +        state = CALL_STATE(frame); + +        req = frame->local; +        frame->local = NULL; + +        if (state->is_revalidate == 1 && op_ret == -1) { +                state->is_revalidate = 2; +                loc_copy (&fresh_loc, &state->loc); +                inode_unref (fresh_loc.inode); +                fresh_loc.inode = inode_new (state->itable); + +                STACK_WIND (frame, server_lookup_cbk, BOUND_XL (frame), +                            BOUND_XL (frame)->fops->lookup, +                            &fresh_loc, state->dict); + +                loc_wipe (&fresh_loc); +                return 0; +        } + +        if (dict) { +                rsp.dict.dict_len = dict_serialized_length (dict); +                if (rsp.dict.dict_len < 0) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "%s (%"PRId64"): failed to get serialized " +                                "length of reply dict", +                                state->loc.path, state->loc.inode->ino); +                        op_ret   = -1; +                        op_errno = EINVAL; +                        rsp.dict.dict_len = 0; +                } +        } + +        if ((op_ret >= 0) && dict) { +                rsp.dict.dict_val = GF_CALLOC (1, rsp.dict.dict_len, 0); +                if (!rsp.dict.dict_val) { +                        op_ret = -1; +                        op_errno = ENOMEM; +                        rsp.dict.dict_len = 0; +                        goto out; +                } +                ret = dict_serialize (dict, rsp.dict.dict_val); +                if (ret < 0) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "%s (%"PRId64"): failed to serialize reply dict", +                                state->loc.path, state->loc.inode->ino); +                        op_ret = -1; +                        op_errno = -ret; +                        rsp.dict.dict_len = 0; +                } +        } + +        gf_stat_from_iatt (&rsp.postparent, postparent); + +        if (op_ret == 0) { +                root_inode = BOUND_XL(frame)->itable->root; +                if (inode == root_inode) { +                        /* we just looked up root ("/") */ +                        stbuf->ia_ino = 1; +                        if (inode->ia_type == 0) +                                inode->ia_type = stbuf->ia_type; +                } + +                gf_stat_from_iatt (&rsp.stat, stbuf); + +                if (inode->ino != 1) { +                        link_inode = inode_link (inode, state->loc.parent, +                                                 state->loc.name, stbuf); +                        inode_lookup (link_inode); +                        inode_unref (link_inode); +                } +        } else { +                if (state->is_revalidate && op_errno == ENOENT) { +                        if (state->loc.inode->ino != 1) { +                                inode_unlink (state->loc.inode, +                                              state->loc.parent, +                                              state->loc.name); +                        } +                } + +                gf_log (this->name, +                        (op_errno == ENOENT ? GF_LOG_TRACE : GF_LOG_DEBUG), +                        "%"PRId64": LOOKUP %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } +out: +        rsp.op_ret   = op_ret; +        rsp.op_errno = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             (gfs_serialize_t)xdr_serialize_lookup_rsp); + +        if (rsp.dict.dict_val) +                GF_FREE (rsp.dict.dict_val); + +        return 0; +} + + +int +server_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +               int32_t op_ret, int32_t op_errno, struct flock *lock) +{ +        gfs3_lk_rsp       rsp   = {0,}; +        rpcsvc_request_t *req   = NULL; +        server_state_t   *state = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); + +        if (op_ret == 0) { +                gf_flock_from_flock (&rsp.flock, lock); +        } else if (op_errno != ENOSYS) { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": LK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_lk_rsp); + +        return 0; +} + + +int +server_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                    int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp        rsp   = {0,}; +        server_connection_t *conn  = NULL; +        server_state_t      *state = NULL; +        rpcsvc_request_t    *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        conn  = SERVER_CONNECTION(frame); +        state = CALL_STATE(frame); + +        if (op_ret >= 0) { +                if (state->flock.l_type == F_UNLCK) +                        gf_del_locker (conn->ltable, state->volume, +                                       &state->loc, NULL, frame->root->pid); +                else +                        gf_add_locker (conn->ltable, state->volume, +                                       &state->loc, NULL, frame->root->pid); +        } else if (op_errno != ENOSYS) { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": INODELK %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + +        return 0; +} + + +int +server_finodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp        rsp   = {0,}; +        server_state_t      *state = NULL; +        server_connection_t *conn  = NULL; +        rpcsvc_request_t    *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        conn = SERVER_CONNECTION(frame); +        state = CALL_STATE(frame); + +        if (op_ret >= 0) { +                if (state->flock.l_type == F_UNLCK) +                        gf_del_locker (conn->ltable, state->volume, +                                       NULL, state->fd, +                                       frame->root->pid); +                else +                        gf_add_locker (conn->ltable, state->volume, +                                       NULL, state->fd, +                                       frame->root->pid); +        } else if (op_errno != ENOSYS) { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": FINODELK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + +        return 0; +} + +int +server_entrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                    int32_t op_ret, int32_t op_errno) +{ +        server_connection_t *conn  = NULL; +        server_state_t      *state = NULL; +        rpcsvc_request_t    *req   = NULL; +        gf_common_rsp        rsp   = {0,}; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        conn  = SERVER_CONNECTION(frame); +        state = CALL_STATE(frame); + +        if (op_ret >= 0) { +                if (state->cmd == ENTRYLK_UNLOCK) +                        gf_del_locker (conn->ltable, state->volume, +                                       &state->loc, NULL, frame->root->pid); +                else +                        gf_add_locker (conn->ltable, state->volume, +                                       &state->loc, NULL, frame->root->pid); +        } else if (op_errno != ENOSYS) { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": INODELK %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); +        return 0; +} + + +int +server_fentrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp        rsp   = {0,}; +        server_connection_t *conn  = NULL; +        server_state_t      *state = NULL; +        rpcsvc_request_t    *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        conn  = SERVER_CONNECTION(frame); +        state = CALL_STATE(frame); +        if (op_ret >= 0) { +                if (state->cmd == ENTRYLK_UNLOCK) +                        gf_del_locker (conn->ltable, state->volume, +                                       NULL, state->fd, frame->root->pid); +                else +                        gf_add_locker (conn->ltable, state->volume, +                                       NULL, state->fd, frame->root->pid); +        } else if (op_errno != ENOSYS) { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": FENTRYLK %"PRId64" (%"PRId64") " +                        " ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + +        return 0; +} + + +int +server_access_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                   int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp     rsp = {0,}; +        rpcsvc_request_t *req = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + +        return 0; +} + +int +server_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                  int32_t op_ret, int32_t op_errno, struct iatt *preparent, +                  struct iatt *postparent) +{ +        gfs3_rmdir_rsp    rsp    = {0,}; +        server_state_t   *state  = NULL; +        inode_t          *parent = NULL; +        rpcsvc_request_t *req    = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); + +        if (op_ret == 0) { +                inode_unlink (state->loc.inode, state->loc.parent, +                              state->loc.name); +                parent = inode_parent (state->loc.inode, 0, NULL); +                if (parent) +                        inode_unref (parent); +                else +                        inode_forget (state->loc.inode, 0); + +                gf_stat_from_iatt (&rsp.preparent, preparent); +                gf_stat_from_iatt (&rsp.postparent, postparent); +        } else { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": RMDIR %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_rmdir_rsp); + +        return 0; +} + +int +server_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                  int32_t op_ret, int32_t op_errno, inode_t *inode, +                  struct iatt *stbuf, struct iatt *preparent, +                  struct iatt *postparent) +{ +        gfs3_mkdir_rsp    rsp        = {0,}; +        server_state_t   *state      = NULL; +        inode_t          *link_inode = NULL; +        rpcsvc_request_t *req        = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); +        if (op_ret >= 0) { +                gf_stat_from_iatt (&rsp.stat, stbuf); +                gf_stat_from_iatt (&rsp.preparent, preparent); +                gf_stat_from_iatt (&rsp.postparent, postparent); + +                link_inode = inode_link (inode, state->loc.parent, +                                         state->loc.name, stbuf); +                inode_lookup (link_inode); +                inode_unref (link_inode); +        } else { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": MKDIR %s  ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        op_ret, strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_mkdir_rsp); + +        return 0; +} + +int +server_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                  int32_t op_ret, int32_t op_errno, +                  inode_t *inode, struct iatt *stbuf, struct iatt *preparent, +                  struct iatt *postparent) +{ +        gfs3_mknod_rsp    rsp        = {0,}; +        server_state_t   *state      = NULL; +        inode_t          *link_inode = NULL; +        rpcsvc_request_t *req        = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); +        if (op_ret >= 0) { +                gf_stat_from_iatt (&rsp.stat, stbuf); +                gf_stat_from_iatt (&rsp.preparent, preparent); +                gf_stat_from_iatt (&rsp.postparent, postparent); + +                link_inode = inode_link (inode, state->loc.parent, +                                         state->loc.name, stbuf); +                inode_lookup (link_inode); +                inode_unref (link_inode); +        } else { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": MKNOD %s ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        op_ret, strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_mknod_rsp); + + +        return 0; +} + +int +server_fsyncdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp     rsp   = {0,}; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); + +        if (op_ret < 0) { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": FSYNCDIR %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + +        return 0; +} + +int +server_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                    int32_t op_ret, int32_t op_errno, gf_dirent_t *entries) +{ +        gfs3_readdir_rsp  rsp   = {0,}; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        state = CALL_STATE(frame); +        if (op_ret > 0) { +                rsp.buf.buf_len = gf_dirent_serialize (entries, NULL, 0); +                if (rsp.buf.buf_len > 0) { +                        rsp.buf.buf_val = GF_CALLOC (1, rsp.buf.buf_len, 0); +                        if (!rsp.buf.buf_val) { +                                op_ret   = -1; +                                op_errno = ENOMEM; +                                goto unwind; +                        } +                        gf_dirent_serialize (entries, rsp.buf.buf_val, +                                             rsp.buf.buf_len); +                } +        } else { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": READDIR %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } +unwind: +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_readdir_rsp); + +        if (rsp.buf.buf_val) +                GF_FREE (rsp.buf.buf_val); + +        return 0; +} + + +int +server_releasedir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                       int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp     rsp = {0,}; +        rpcsvc_request_t *req = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + +        return 0; +} + +int +server_opendir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                    int32_t op_ret, int32_t op_errno, fd_t *fd) +{ +        server_connection_t *conn  = NULL; +        server_state_t      *state = NULL; +        rpcsvc_request_t    *req   = NULL; +        gfs3_opendir_rsp     rsp   = {0,}; +        uint64_t             fd_no = 0; + +        conn = SERVER_CONNECTION (frame); +        state = CALL_STATE (frame); + +        if (op_ret >= 0) { +                fd_bind (fd); + +                fd_no = gf_fd_unused_get (conn->fdtable, fd); +                fd_ref (fd); // on behalf of the client +        } else { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": OPENDIR %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.fd        = fd_no; +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_opendir_rsp); + +        return 0; +} + +int +server_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                        int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp     rsp = {0,}; +        rpcsvc_request_t *req = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + +        return 0; +} + +int +server_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno, dict_t *dict) +{ +        gfs3_getxattr_rsp  rsp   = {0,}; +        int32_t            len   = 0; +        int32_t            ret   = -1; +        rpcsvc_request_t  *req   = NULL; +        server_state_t    *state = NULL; + +        state = CALL_STATE (frame); + +        if (op_ret >= 0) { +                len = dict_serialized_length (dict); +                if (len < 0) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "%s (%"PRId64"): failed to get serialized length of " +                                "reply dict", +                                state->loc.path, state->resolve.ino); +                        op_ret   = -1; +                        op_errno = EINVAL; +                        len = 0; +                        goto out; +                } + +                rsp.dict.dict_val = GF_CALLOC (len, sizeof (char), 0); +                if (!rsp.dict.dict_val) { +                        op_ret = -1; +                        op_errno = ENOMEM; +                        len = 0; +                        goto out; +                } +                ret = dict_serialize (dict, rsp.dict.dict_val); +                if (ret < 0) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "%s (%"PRId64"): failed to serialize reply dict", +                                state->loc.path, state->resolve.ino); +                        op_ret   = -1; +                        op_errno = EINVAL; +                        len = 0; +                } +        } +out: +        rsp.op_ret        = op_ret; +        rsp.op_errno      = gf_errno_to_error (op_errno); +        rsp.dict.dict_len = len; + +        req               = frame->local; +        frame->local      = NULL; + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_getxattr_rsp); + +        if (rsp.dict.dict_val) +                GF_FREE (rsp.dict.dict_val); + +        return 0; +} + + +int +server_fgetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                      int32_t op_ret, int32_t op_errno, dict_t *dict) +{ +        gfs3_fgetxattr_rsp  rsp   = {0,}; +        int32_t             len   = 0; +        int32_t             ret   = -1; +        server_state_t     *state = NULL; +        rpcsvc_request_t   *req   = NULL; + +        state = CALL_STATE (frame); + +        if (op_ret >= 0) { +                len = dict_serialized_length (dict); +                if (len < 0) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "%s (%"PRId64"): failed to get serialized " +                                "length of reply dict", +                                state->loc.path, state->resolve.ino); +                        op_ret   = -1; +                        op_errno = EINVAL; +                        len = 0; +                        goto out; +                } +                rsp.dict.dict_val = GF_CALLOC (1, len, 0); +                if (!rsp.dict.dict_val) { +                        op_ret = -1; +                        op_errno = ENOMEM; +                        len = 0; +                        goto out; +                } +                ret = dict_serialize (dict, rsp.dict.dict_val); +                if (ret < 0) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "%s (%"PRId64"): failed to serialize reply dict", +                                state->loc.path, state->resolve.ino); +                        op_ret = -1; +                        op_errno = -ret; +                        len = 0; +                } +        } + +out: +        req               = frame->local; +        frame->local      = NULL; + +        rsp.op_ret        = op_ret; +        rsp.op_errno      = gf_errno_to_error (op_errno); +        rsp.dict.dict_len = len; +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_fgetxattr_rsp); + +        if (rsp.dict.dict_val) +                GF_FREE (rsp.dict.dict_val); + +        return 0; +} + +int +server_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp     rsp = {0,}; +        rpcsvc_request_t *req = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + +        return 0; +} + + +int +server_fsetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                      int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp     rsp = {0,}; +        rpcsvc_request_t *req = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + +        return 0; +} + +int +server_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                   int32_t op_ret, int32_t op_errno, struct iatt *stbuf, +                   struct iatt *preoldparent, struct iatt *postoldparent, +                   struct iatt *prenewparent, struct iatt *postnewparent) +{ +        gfs3_rename_rsp   rsp   = {0,}; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); + +        if (op_ret == 0) { +                stbuf->ia_ino  = state->loc.inode->ino; +                stbuf->ia_type = state->loc.inode->ia_type; + +                gf_log (state->conn->bound_xl->name, GF_LOG_TRACE, +                        "%"PRId64": RENAME_CBK (%"PRId64") %"PRId64"/%s " +                        "==> %"PRId64"/%s", +                        frame->root->unique, state->loc.inode->ino, +                        state->loc.parent->ino, state->loc.name, +                        state->loc2.parent->ino, state->loc2.name); + +                inode_rename (state->itable, +                              state->loc.parent, state->loc.name, +                              state->loc2.parent, state->loc2.name, +                              state->loc.inode, stbuf); +                gf_stat_from_iatt (&rsp.stat, stbuf); + +                gf_stat_from_iatt (&rsp.preoldparent, preoldparent); +                gf_stat_from_iatt (&rsp.postoldparent, postoldparent); + +                gf_stat_from_iatt (&rsp.prenewparent, prenewparent); +                gf_stat_from_iatt (&rsp.postnewparent, postnewparent); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_rename_rsp); + +        return 0; +} + +int +server_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                   int32_t op_ret, int32_t op_errno, struct iatt *preparent, +                   struct iatt *postparent) +{ +        gfs3_unlink_rsp   rsp    = {0,}; +        server_state_t   *state  = NULL; +        inode_t          *parent = NULL; +        rpcsvc_request_t *req    = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); + +        if (op_ret == 0) { +                gf_log (state->conn->bound_xl->name, GF_LOG_TRACE, +                        "%"PRId64": UNLINK_CBK %"PRId64"/%s (%"PRId64")", +                        frame->root->unique, state->loc.parent->ino, +                        state->loc.name, state->loc.inode->ino); + +                inode_unlink (state->loc.inode, state->loc.parent, +                              state->loc.name); + +                parent = inode_parent (state->loc.inode, 0, NULL); +                if (parent) +                        inode_unref (parent); +                else +                        inode_forget (state->loc.inode, 0); + +                gf_stat_from_iatt (&rsp.preparent, preparent); +                gf_stat_from_iatt (&rsp.postparent, postparent); + +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": UNLINK %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_unlink_rsp); + +        return 0; +} + +int +server_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                    int32_t op_ret, int32_t op_errno, inode_t *inode, +                    struct iatt *stbuf, struct iatt *preparent, +                    struct iatt *postparent) +{ +        gfs3_symlink_rsp  rsp        = {0,}; +        server_state_t   *state      = NULL; +        inode_t          *link_inode = NULL; +        rpcsvc_request_t *req        = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); +        if (op_ret >= 0) { +                gf_stat_from_iatt (&rsp.stat, stbuf); +                gf_stat_from_iatt (&rsp.preparent, preparent); +                gf_stat_from_iatt (&rsp.postparent, postparent); + +                link_inode = inode_link (inode, state->loc.parent, +                                         state->loc.name, stbuf); +                inode_lookup (link_inode); +                inode_unref (link_inode); +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": SYMLINK %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_symlink_rsp); + +        return 0; +} + + +int +server_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                 int32_t op_ret, int32_t op_errno, inode_t *inode, +                 struct iatt *stbuf, struct iatt *preparent, +                 struct iatt *postparent) +{ +        gfs3_link_rsp     rsp        = {0,}; +        server_state_t   *state      = NULL; +        inode_t          *link_inode = NULL; +        rpcsvc_request_t *req        = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); + +        if (op_ret == 0) { +                stbuf->ia_ino = state->loc.inode->ino; + +                gf_stat_from_iatt (&rsp.stat, stbuf); +                gf_stat_from_iatt (&rsp.preparent, preparent); +                gf_stat_from_iatt (&rsp.postparent, postparent); + +                gf_log (state->conn->bound_xl->name, GF_LOG_TRACE, +                        "%"PRId64": LINK (%"PRId64") %"PRId64"/%s ==> %"PRId64"/%s", +                        frame->root->unique, inode->ino, +                        state->loc2.parent->ino, +                        state->loc2.name, state->loc.parent->ino, +                        state->loc.name); + +                link_inode = inode_link (inode, state->loc2.parent, +                                         state->loc2.name, stbuf); +                inode_unref (link_inode); +        } else { +                gf_log (state->conn->bound_xl->name, GF_LOG_DEBUG, +                        "%"PRId64": LINK (%"PRId64") %"PRId64"/%s ==> %"PRId64"/%s " +                        " ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve2.ino, +                        state->resolve2.par, +                        state->resolve2.bname, state->resolve.par, +                        state->resolve.bname, +                        op_ret, strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_link_rsp); + +        return 0; +} + +int +server_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno, struct iatt *prebuf, +                     struct iatt *postbuf) +{ +        gfs3_truncate_rsp  rsp   = {0,}; +        server_state_t    *state = NULL; +        rpcsvc_request_t  *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE (frame); + +        if (op_ret == 0) { +                gf_stat_from_iatt (&rsp.prestat, prebuf); +                gf_stat_from_iatt (&rsp.poststat, postbuf); +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": TRUNCATE %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_truncate_rsp); + +        return 0; +} + +int +server_fstat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                  int32_t op_ret, int32_t op_errno, struct iatt *stbuf) +{ +        gfs3_fstat_rsp    rsp   = {0,}; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); + +        if (op_ret == 0) { +                gf_stat_from_iatt (&rsp.stat, stbuf); +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": FSTAT %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_fstat_rsp); + +        return 0; +} + +int +server_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                      int32_t op_ret, int32_t op_errno, struct iatt *prebuf, +                      struct iatt *postbuf) +{ +        gfs3_ftruncate_rsp  rsp   = {0}; +        server_state_t     *state = NULL; +        rpcsvc_request_t   *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE (frame); + +        if (op_ret == 0) { +                gf_stat_from_iatt (&rsp.prestat, prebuf); +                gf_stat_from_iatt (&rsp.poststat, postbuf); +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": FTRUNCATE %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_ftruncate_rsp); + +        return 0; +} + +int +server_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                  int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp     rsp   = {0,}; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); +        if (op_ret < 0) { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": FLUSH %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); + + +        return 0; +} + +int +server_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                  int32_t op_ret, int32_t op_errno, struct iatt *prebuf, +                  struct iatt *postbuf) +{ +        gfs3_fsync_rsp    rsp   = {0,}; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); + +        if (op_ret < 0) { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": FSYNC %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } else { +                gf_stat_from_iatt (&(rsp.prestat), prebuf); +                gf_stat_from_iatt (&(rsp.poststat), postbuf); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_fsync_rsp); + +        return 0; +} + +int +server_release_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                    int32_t op_ret, int32_t op_errno) +{ +        gf_common_rsp     rsp = {0,}; +        rpcsvc_request_t *req = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); +        return 0; +} + + +int +server_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                   int32_t op_ret, int32_t op_errno, struct iatt *prebuf, +                   struct iatt *postbuf) +{ +        gfs3_write_rsp    rsp   = {0,}; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); +        if (op_ret >= 0) { +                gf_stat_from_iatt (&rsp.prestat, prebuf); +                gf_stat_from_iatt (&rsp.poststat, postbuf); +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": WRITEV %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_writev_rsp); + +        return 0; +} + + +int +server_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                  int32_t op_ret, int32_t op_errno, +                  struct iovec *vector, int32_t count, +                  struct iatt *stbuf, struct iobref *iobref) +{ +        gfs3_read_rsp     rsp   = {0,}; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state = CALL_STATE(frame); +        if (op_ret >= 0) { +                gf_stat_from_iatt (&rsp.stat, stbuf); +                rsp.size = op_ret; +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": READV %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, vector, count, iobref, +                             xdr_serialize_readv_rsp); + +        return 0; +} + +int +server_checksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno, +                     uint8_t *fchecksum, uint8_t *dchecksum) +{ +        gfs3_checksum_rsp  rsp = {0,}; +        rpcsvc_request_t  *req = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        if (op_ret >= 0) { +                rsp.fchecksum.fchecksum_val = (char *)fchecksum; +                rsp.fchecksum.fchecksum_len = NAME_MAX; +                rsp.dchecksum.dchecksum_val = (char *)dchecksum; +                rsp.dchecksum.dchecksum_len = NAME_MAX; +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_checksum_rsp); + +        return 0; +} + + +int +server_rchecksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                      int32_t op_ret, int32_t op_errno, +                      uint32_t weak_checksum, uint8_t *strong_checksum) +{ +        gfs3_rchecksum_rsp  rsp = {0,}; +        rpcsvc_request_t   *req = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        if (op_ret >= 0) { +                rsp.weak_checksum = weak_checksum; + +                rsp.strong_checksum.strong_checksum_val = (char *)strong_checksum; +                rsp.strong_checksum.strong_checksum_len = MD5_DIGEST_LEN; +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_rchecksum_rsp); + +        return 0; +} + + +int +server_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                 int32_t op_ret, int32_t op_errno, fd_t *fd) +{ +        server_connection_t *conn  = NULL; +        server_state_t      *state = NULL; +        rpcsvc_request_t    *req   = NULL; +        uint64_t             fd_no = 0; +        gfs3_open_rsp        rsp   = {0,}; + +        conn = SERVER_CONNECTION (frame); +        state = CALL_STATE (frame); + +        if (op_ret >= 0) { +                fd_bind (fd); +                fd_no = gf_fd_unused_get (conn->fdtable, fd); +                fd_ref (fd); +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": OPEN %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.fd        = fd_no; +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_open_rsp); +        return 0; +} + + +int +server_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                   int32_t op_ret, int32_t op_errno, +                   fd_t *fd, inode_t *inode, struct iatt *stbuf, +                   struct iatt *preparent, struct iatt *postparent) +{ +        server_connection_t *conn       = NULL; +        server_state_t      *state      = NULL; +        inode_t             *link_inode = NULL; +        rpcsvc_request_t    *req        = NULL; +        uint64_t             fd_no      = 0; +        gfs3_create_rsp      rsp        = {0,}; + +        conn = SERVER_CONNECTION (frame); +        state = CALL_STATE (frame); + +        if (op_ret >= 0) { +                gf_log (state->conn->bound_xl->name, GF_LOG_TRACE, +                        "%"PRId64": CREATE %"PRId64"/%s (%"PRId64")", +                        frame->root->unique, state->loc.parent->ino, +                        state->loc.name, stbuf->ia_ino); + +                link_inode = inode_link (inode, state->loc.parent, +                                         state->loc.name, stbuf); + +                if (link_inode != inode) { +                        gf_log (this->name, GF_LOG_DEBUG, +                                "create(%s) inode (ptr=%p, ino=%"PRId64", " +                                "gen=%"PRId64") found conflict (ptr=%p, " +                                "ino=%"PRId64", gen=%"PRId64")", +                                state->loc.path, inode, inode->ino, +                                inode->generation, link_inode, +                                link_inode->ino, link_inode->generation); + +                        /* +                           VERY racy code (if used anywhere else) +                           -- don't do this without understanding +                        */ + +                        inode_unref (fd->inode); +                        fd->inode = inode_ref (link_inode); +                } + +                inode_lookup (link_inode); +                inode_unref (link_inode); + +                fd_bind (fd); + +                fd_no = gf_fd_unused_get (conn->fdtable, fd); +                fd_ref (fd); + +                if ((fd_no < 0) || (fd == 0)) { +                        op_ret = fd_no; +                        op_errno = errno; +                } + +                gf_stat_from_iatt (&rsp.stat, stbuf); +                gf_stat_from_iatt (&rsp.preparent, preparent); +                gf_stat_from_iatt (&rsp.postparent, postparent); +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": CREATE %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.fd        = fd_no; +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_create_rsp); + +        return 0; +} + +int +server_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno, const char *buf, +                     struct iatt *stbuf) +{ +        gfs3_readlink_rsp  rsp   = {0,}; +        server_state_t    *state = NULL; +        rpcsvc_request_t  *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + + +        state  = CALL_STATE(frame); + +        if (op_ret >= 0) { +                gf_stat_from_iatt (&rsp.buf, stbuf); +                rsp.path = (char *)buf; +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": READLINK %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_readlink_rsp); + +        return 0; +} + +int +server_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                 int32_t op_ret, int32_t op_errno, struct iatt *stbuf) +{ +        gfs3_stat_rsp     rsp   = {0,}; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state  = CALL_STATE (frame); + +        if (op_ret == 0) { +                gf_stat_from_iatt (&rsp.stat, stbuf); +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": STAT %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_stat_rsp); + +        return 0; +} + + +int +server_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                    int32_t op_ret, int32_t op_errno, +                    struct iatt *statpre, struct iatt *statpost) +{ +        gfs3_setattr_rsp  rsp   = {0,}; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        state  = CALL_STATE (frame); + +        if (op_ret == 0) { +                gf_stat_from_iatt (&rsp.statpre, statpre); +                gf_stat_from_iatt (&rsp.statpost, statpost); +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": SETATTR %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_setattr_rsp); + +        return 0; +} + +int +server_fsetattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno, +                     struct iatt *statpre, struct iatt *statpost) +{ +        gfs3_fsetattr_rsp  rsp   = {0,}; +        server_state_t    *state = NULL; +        rpcsvc_request_t  *req   = NULL; + +        state  = CALL_STATE (frame); + +        if (op_ret == 0) { +                gf_stat_from_iatt (&rsp.statpre, statpre); +                gf_stat_from_iatt (&rsp.statpost, statpost); +        } else { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": FSETATTR %"PRId64" (%"PRId64") ==> " +                        "%"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, +                        op_ret, strerror (op_errno)); +        } + +        req           = frame->local; +        frame->local  = NULL; + +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_fsetattr_rsp); + +        return 0; +} + + +int +server_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                    int32_t op_ret, int32_t op_errno, dict_t *dict) +{ +        gfs3_xattrop_rsp  rsp   = {0,}; +        int32_t           len   = 0; +        int32_t           ret   = -1; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        state = CALL_STATE (frame); + +        if (op_ret < 0) { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": XATTROP %s (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->loc.path, +                        state->loc.inode ? state->loc.inode->ino : 0, +                        op_ret, strerror (op_errno)); +                goto out; +        } + +        if ((op_ret >= 0) && dict) { +                len = dict_serialized_length (dict); +                if (len < 0) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "%s (%"PRId64"): failed to get serialized length" +                                " for reply dict", +                                state->loc.path, state->loc.inode->ino); +                        op_ret = -1; +                        op_errno = EINVAL; +                        len = 0; +                        goto out; +                } +                rsp.dict.dict_val = GF_CALLOC (1, len, 0); +                if (!rsp.dict.dict_val) { +                        op_ret = -1; +                        op_errno = ENOMEM; +                        len = 0; +                        goto out; +                } +                ret = dict_serialize (dict, rsp.dict.dict_val); +                if (ret < 0) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "%s (%"PRId64"): failed to serialize reply dict", +                                state->loc.path, state->loc.inode->ino); +                        op_ret = -1; +                        op_errno = -ret; +                        len = 0; +                } +        } +out: +        req               = frame->local; +        frame->local      = NULL; + +        rsp.op_ret        = op_ret; +        rsp.op_errno      = gf_errno_to_error (op_errno); +        rsp.dict.dict_len = len; + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_xattrop_rsp); + +        if (rsp.dict.dict_val) +                GF_FREE (rsp.dict.dict_val); + +        return 0; +} + + +int +server_fxattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno, dict_t *dict) +{ +        gfs3_xattrop_rsp  rsp   = {0,}; +        int32_t           len   = 0; +        int32_t           ret   = -1; +        server_state_t   *state = NULL; +        rpcsvc_request_t *req   = NULL; + +        state = CALL_STATE(frame); + +        if (op_ret < 0) { +                gf_log (this->name, GF_LOG_DEBUG, +                        "%"PRId64": FXATTROP %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +                goto out; +        } + +        if ((op_ret >= 0) && dict) { +                len = dict_serialized_length (dict); +                if (len < 0) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "fd - %"PRId64" (%"PRId64"): failed to get " +                                "serialized length for reply dict", +                                state->resolve.fd_no, state->fd->inode->ino); +                        op_ret = -1; +                        op_errno = EINVAL; +                        len = 0; +                        goto out; +                } +                rsp.dict.dict_val = GF_CALLOC (1, len, 0); +                if (!rsp.dict.dict_val) { +                        op_ret = -1; +                        op_errno = ENOMEM; +                        len = 0; +                        goto out; +                } +                ret = dict_serialize (dict, rsp.dict.dict_val); +                if (ret < 0) { +                        gf_log (this->name, GF_LOG_ERROR, +                                "fd - %"PRId64" (%"PRId64"): failed to " +                                "serialize reply dict", +                                state->resolve.fd_no, state->fd->inode->ino); +                        op_ret = -1; +                        op_errno = -ret; +                        len = 0; +                } +        } +out: +        req               = frame->local; +        frame->local      = NULL; + +        rsp.op_ret        = op_ret; +        rsp.op_errno      = gf_errno_to_error (op_errno); +        rsp.dict.dict_len = len; + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_fxattrop_rsp); + +        if (rsp.dict.dict_val) +                GF_FREE (rsp.dict.dict_val); + +        return 0; +} + + +int +server_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this, +                     int32_t op_ret, int32_t op_errno, gf_dirent_t *entries) +{ +        gfs3_readdirp_rsp  rsp   = {0,}; +        server_state_t    *state = NULL; +        rpcsvc_request_t  *req   = NULL; + +        req           = frame->local; +        frame->local  = NULL; + +        state = CALL_STATE(frame); +        if (op_ret > 0) { +                rsp.buf.buf_len = gf_dirent_serialize (entries, NULL, 0); +                rsp.buf.buf_val = GF_CALLOC (1, rsp.buf.buf_len, 0); +                if (!rsp.buf.buf_val) { +                        op_ret = -1; +                        op_errno = ENOMEM; +                        rsp.buf.buf_len = 0; +                        goto out; +                } +                gf_dirent_serialize (entries, rsp.buf.buf_val, rsp.buf.buf_len); +        } else { +                gf_log (this->name, GF_LOG_TRACE, +                        "%"PRId64": READDIRP %"PRId64" (%"PRId64") ==>" +                        "%"PRId32" (%s)", +                        frame->root->unique, state->resolve.fd_no, +                        state->fd ? state->fd->inode->ino : 0, op_ret, +                        strerror (op_errno)); +        } + +out: +        rsp.op_ret    = op_ret; +        rsp.op_errno  = gf_errno_to_error (op_errno); + +        server_submit_reply (frame, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_readdirp_rsp); + +        if (rsp.buf.buf_val) +                GF_FREE (rsp.buf.buf_val); + +        return 0; +} + +/* Resume function section */ + +int +server_rchecksum_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state    = NULL; +        int             op_ret   = 0; +        int             op_errno = 0; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) { +                op_ret   = state->resolve.op_ret; +                op_errno = state->resolve.op_errno; +                goto err; +        } + +        STACK_WIND (frame, server_rchecksum_cbk, bound_xl, +                    bound_xl->fops->rchecksum, state->fd, +                    state->offset, state->size); + +        return 0; +err: +        server_rchecksum_cbk (frame, NULL, frame->this, -1, EINVAL, 0, NULL); + +        return 0; + +} + +int +server_checksum_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; +        int             op_ret = 0; +        int             op_errno = 0; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) { +                op_ret   = state->resolve.op_ret; +                op_errno = state->resolve.op_errno; +                goto err; +        } + +        STACK_WIND (frame, server_checksum_cbk, bound_xl, +                    bound_xl->fops->checksum, &state->loc, state->flags); + +        return 0; +err: +        server_checksum_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                             state->resolve.op_errno, NULL, NULL); + +        return 0; +} + +int +server_lk_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_lk_cbk, bound_xl, bound_xl->fops->lk, +                    state->fd, state->cmd, &state->flock); + +        return 0; + +err: +        server_lk_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                       state->resolve.op_errno, NULL); +        return 0; +} + +int +server_rename_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; +        int             op_ret = 0; +        int             op_errno = 0; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) { +                op_ret   = state->resolve.op_ret; +                op_errno = state->resolve.op_errno; +                goto err; +        } + +        if (state->resolve2.op_ret != 0) { +                op_ret   = state->resolve2.op_ret; +                op_errno = state->resolve2.op_errno; +                goto err; +        } + +        STACK_WIND (frame, server_rename_cbk, +                    bound_xl, bound_xl->fops->rename, +                    &state->loc, &state->loc2); +        return 0; +err: +        server_rename_cbk (frame, NULL, frame->this, op_ret, op_errno, +                           NULL, NULL, NULL, NULL, NULL); +        return 0; +} + + +int +server_link_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; +        int             op_ret = 0; +        int             op_errno = 0; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) { +                op_ret   = state->resolve.op_ret; +                op_errno = state->resolve.op_errno; +                goto err; +        } + +        if (state->resolve2.op_ret != 0) { +                op_ret   = state->resolve2.op_ret; +                op_errno = state->resolve2.op_errno; +                goto err; +        } + +        state->loc2.inode = inode_ref (state->loc.inode); + +        STACK_WIND (frame, server_link_cbk, bound_xl, bound_xl->fops->link, +                    &state->loc, &state->loc2); + +        return 0; +err: +        server_link_cbk (frame, NULL, frame->this, op_ret, op_errno, +                         NULL, NULL, NULL, NULL); +        return 0; +} + +int +server_symlink_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        state->loc.inode = inode_new (state->itable); + +        STACK_WIND (frame, server_symlink_cbk, +                    bound_xl, bound_xl->fops->symlink, +                    state->name, &state->loc); + +        return 0; +err: +        server_symlink_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                            state->resolve.op_errno, NULL, NULL, NULL, NULL); +        return 0; +} + + +int +server_access_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_access_cbk, +                    bound_xl, bound_xl->fops->access, +                    &state->loc, state->mask); +        return 0; +err: +        server_access_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                           state->resolve.op_errno); +        return 0; +} + +int +server_fentrylk_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_fentrylk_cbk, bound_xl, +                    bound_xl->fops->fentrylk, +                    state->volume, state->fd, state->name, +                    state->cmd, state->type); + +        return 0; +err: +        server_fentrylk_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                             state->resolve.op_errno); +        return 0; +} + + +int +server_entrylk_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_entrylk_cbk, +                    bound_xl, bound_xl->fops->entrylk, +                    state->volume, &state->loc, state->name, +                    state->cmd, state->type); +        return 0; +err: +        server_entrylk_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                            state->resolve.op_errno); +        return 0; +} + + +int +server_finodelk_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_finodelk_cbk, bound_xl, +                    bound_xl->fops->finodelk, +                    state->volume, state->fd, state->cmd, &state->flock); + +        return 0; +err: +        server_finodelk_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                             state->resolve.op_errno); + +        return 0; +} + +int +server_inodelk_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_inodelk_cbk, +                    bound_xl, bound_xl->fops->inodelk, +                    state->volume, &state->loc, state->cmd, &state->flock); +        return 0; +err: +        server_inodelk_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                            state->resolve.op_errno); +        return 0; +} + +int +server_rmdir_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_rmdir_cbk, +                    bound_xl, bound_xl->fops->rmdir, &state->loc); +        return 0; +err: +        server_rmdir_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                          state->resolve.op_errno, NULL, NULL); +        return 0; +} + +int +server_mkdir_resume (call_frame_t *frame, xlator_t *bound_xl) + +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        state->loc.inode = inode_new (state->itable); + +        STACK_WIND (frame, server_mkdir_cbk, +                    bound_xl, bound_xl->fops->mkdir, +                    &(state->loc), state->mode); + +        return 0; +err: +        server_mkdir_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                          state->resolve.op_errno, NULL, NULL, NULL, NULL); +        return 0; +} + + +int +server_mknod_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        state->loc.inode = inode_new (state->itable); + +        STACK_WIND (frame, server_mknod_cbk, +                    bound_xl, bound_xl->fops->mknod, +                    &(state->loc), state->mode, state->dev); + +        return 0; +err: +        server_mknod_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                          state->resolve.op_errno, NULL, NULL, NULL, NULL); +        return 0; +} + + +int +server_fsyncdir_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_fsyncdir_cbk, +                    bound_xl, +                    bound_xl->fops->fsyncdir, +                    state->fd, state->flags); +        return 0; + +err: +        server_fsyncdir_cbk (frame, NULL, frame->this, +                             state->resolve.op_ret, +                             state->resolve.op_errno); +        return 0; +} + + +int + server_readdir_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t  *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_readdir_cbk, +                    bound_xl, +                    bound_xl->fops->readdir, +                    state->fd, state->size, state->offset); + +        return 0; +err: +        server_readdir_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                            state->resolve.op_errno, NULL); +        return 0; +} + +int +server_readdirp_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t  *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_readdirp_cbk, bound_xl, +                    bound_xl->fops->readdirp, state->fd, state->size, +                    state->offset); + +        return 0; +err: +        server_readdirp_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                             state->resolve.op_errno, NULL); +        return 0; +} + + +int +server_opendir_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t  *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        state->fd = fd_create (state->loc.inode, frame->root->pid); + +        STACK_WIND (frame, server_opendir_cbk, +                    bound_xl, bound_xl->fops->opendir, +                    &state->loc, state->fd); +        return 0; +err: +        server_opendir_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                            state->resolve.op_errno, NULL); +        return 0; +} + + +int +server_statfs_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t      *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret !=0) +                goto err; + +        STACK_WIND (frame, server_statfs_cbk, +                    bound_xl, bound_xl->fops->statfs, +                    &state->loc); +        return 0; + +err: +        server_statfs_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                           state->resolve.op_errno, NULL); +        return 0; +} + + +int +server_removexattr_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_removexattr_cbk, +                    bound_xl, bound_xl->fops->removexattr, +                    &state->loc, state->name); +        return 0; +err: +        server_removexattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                                state->resolve.op_errno); +        return 0; +} + +int +server_fgetxattr_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_fgetxattr_cbk, +                    bound_xl, bound_xl->fops->fgetxattr, +                    state->fd, state->name); +        return 0; +err: +        server_fgetxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                              state->resolve.op_errno, NULL); +        return 0; +} + + +int +server_xattrop_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_xattrop_cbk, +                    bound_xl, bound_xl->fops->xattrop, +                    &state->loc, state->flags, state->dict); +        return 0; +err: +        server_xattrop_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                            state->resolve.op_errno, NULL); +        return 0; +} + +int +server_fxattrop_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_fxattrop_cbk, +                    bound_xl, bound_xl->fops->fxattrop, +                    state->fd, state->flags, state->dict); +        return 0; +err: +        server_fxattrop_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                             state->resolve.op_errno, NULL); +        return 0; +} + +int +server_fsetxattr_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_setxattr_cbk, +                    bound_xl, bound_xl->fops->fsetxattr, +                    state->fd, state->dict, state->flags); +        return 0; +err: +        server_fsetxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                              state->resolve.op_errno); + +        return 0; +} + +int +server_unlink_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_unlink_cbk, +                    bound_xl, bound_xl->fops->unlink, +                    &state->loc); +        return 0; +err: +        server_unlink_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                           state->resolve.op_errno, NULL, NULL); +        return 0; +} + +int +server_truncate_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_truncate_cbk, +                    bound_xl, bound_xl->fops->truncate, +                    &state->loc, state->offset); +        return 0; +err: +        server_truncate_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                             state->resolve.op_errno, NULL, NULL); +        return 0; +} + + + +int +server_fstat_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t     *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_fstat_cbk, +                    bound_xl, bound_xl->fops->fstat, +                    state->fd); +        return 0; +err: +        server_fstat_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                          state->resolve.op_errno, NULL); +        return 0; +} + + +int +server_setxattr_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_setxattr_cbk, +                    bound_xl, bound_xl->fops->setxattr, +                    &state->loc, state->dict, state->flags); +        return 0; +err: +        server_setxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                             state->resolve.op_errno); + +        return 0; +} + + +int +server_getxattr_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_getxattr_cbk, +                    bound_xl, bound_xl->fops->getxattr, +                    &state->loc, state->name); +        return 0; +err: +        server_getxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                             state->resolve.op_errno, NULL); +        return 0; +} + + +int +server_ftruncate_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t    *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_ftruncate_cbk, +                    bound_xl, bound_xl->fops->ftruncate, +                    state->fd, state->offset); +        return 0; +err: +        server_ftruncate_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                              state->resolve.op_errno, NULL, NULL); + +        return 0; +} + + +int +server_flush_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t    *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_flush_cbk, +                    bound_xl, bound_xl->fops->flush, state->fd); +        return 0; +err: +        server_flush_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                          state->resolve.op_errno); + +        return 0; +} + + +int +server_fsync_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t    *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_fsync_cbk, +                    bound_xl, bound_xl->fops->fsync, +                    state->fd, state->flags); +        return 0; +err: +        server_fsync_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                          state->resolve.op_errno, NULL, NULL); + +        return 0; +} + +int +server_writev_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t   *state = NULL; +        struct iovec      iov = {0, }; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        iov.iov_len  = state->size; + +        if (state->iobuf) { +                iov.iov_base = state->iobuf->ptr; +        } + +        STACK_WIND (frame, server_writev_cbk, +                    bound_xl, bound_xl->fops->writev, +                    state->fd, &iov, 1, state->offset, state->iobref); + +        return 0; +err: +        server_writev_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                           state->resolve.op_errno, NULL, NULL); +        return 0; +} + + +int +server_readv_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t    *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_readv_cbk, +                    bound_xl, bound_xl->fops->readv, +                    state->fd, state->size, state->offset); + +        return 0; +err: +        server_readv_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                          state->resolve.op_errno, NULL, 0, NULL, NULL); +        return 0; +} + + +int +server_create_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        state->loc.inode = inode_new (state->itable); + +        state->fd = fd_create (state->loc.inode, frame->root->pid); +        state->fd->flags = state->flags; + +        STACK_WIND (frame, server_create_cbk, +                    bound_xl, bound_xl->fops->create, +                    &(state->loc), state->flags, state->mode, state->fd); + +        return 0; +err: +        server_create_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                           state->resolve.op_errno, NULL, NULL, NULL, +                           NULL, NULL); +        return 0; +} + + +int +server_open_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t  *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        state->fd = fd_create (state->loc.inode, frame->root->pid); +        state->fd->flags = state->flags; + +        STACK_WIND (frame, server_open_cbk, +                    bound_xl, bound_xl->fops->open, +                    &state->loc, state->flags, state->fd, 0); + +        return 0; +err: +        server_open_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                         state->resolve.op_errno, NULL); +        return 0; +} + + +int +server_readlink_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_readlink_cbk, +                    bound_xl, bound_xl->fops->readlink, +                    &state->loc, state->size); +        return 0; +err: +        server_readlink_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                             state->resolve.op_errno, NULL, NULL); +        return 0; +} + + +int +server_fsetattr_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_fsetattr_cbk, +                    bound_xl, bound_xl->fops->fsetattr, +                    state->fd, &state->stbuf, state->valid); +        return 0; +err: +        server_fsetattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                             state->resolve.op_errno, NULL, NULL); + +        return 0; +} + + +int +server_setattr_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_setattr_cbk, +                    bound_xl, bound_xl->fops->setattr, +                    &state->loc, &state->stbuf, state->valid); +        return 0; +err: +        server_setattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                            state->resolve.op_errno, NULL, NULL); + +        return 0; +} + + +int +server_stat_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        STACK_WIND (frame, server_stat_cbk, +                    bound_xl, bound_xl->fops->stat, &state->loc); +        return 0; +err: +        server_stat_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                         state->resolve.op_errno, NULL); +        return 0; +} + +int +server_lookup_resume (call_frame_t *frame, xlator_t *bound_xl) +{ +        server_state_t    *state = NULL; + +        state = CALL_STATE (frame); + +        if (state->resolve.op_ret != 0) +                goto err; + +        if (!state->loc.inode) +                state->loc.inode = inode_new (state->itable); +        else +                state->is_revalidate = 1; + +        STACK_WIND (frame, server_lookup_cbk, +                    bound_xl, bound_xl->fops->lookup, +                    &state->loc, state->dict); + +        return 0; +err: +        server_lookup_cbk (frame, NULL, frame->this, state->resolve.op_ret, +                           state->resolve.op_errno, NULL, NULL, NULL, NULL); + +        return 0; +} + + + + +/* Fop section */ + +int +server_stat (rpcsvc_request_t *req) +{ +        server_state_t *state                 = NULL; +        call_frame_t   *frame                 = NULL; +        gfs3_stat_req   args                  = {0,}; +        char            path[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        /* Initialize args first, then decode */ +        args.path = path; + +        if (!xdr_to_stat_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); +        { +                state->resolve.type  = RESOLVE_MUST; +                state->resolve.ino   = args.ino; +                state->resolve.gen   = args.gen; +                state->resolve.path  = gf_strdup (args.path); +        } + +        resolve_and_resume (frame, server_stat_resume); +out: +        return 0; +} + + +int +server_setattr (rpcsvc_request_t *req) +{ +        server_state_t   *state                 = NULL; +        call_frame_t     *frame                 = NULL; +        gfs3_setattr_req  args                  = {0,}; +        char              path[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        args.path = path; + +        if (!xdr_to_setattr_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type  = RESOLVE_MUST; +        state->resolve.ino   = args.ino; +        state->resolve.gen   = args.gen; +        state->resolve.path  = gf_strdup (args.path); + +        gf_stat_to_iatt (&args.stbuf, &state->stbuf); +        state->valid = args.valid; + +        resolve_and_resume (frame, server_setattr_resume); +out: +        return 0; +} + + +int +server_fsetattr (rpcsvc_request_t *req) +{ +        server_state_t    *state = NULL; +        call_frame_t      *frame = NULL; +        gfs3_fsetattr_req  args  = {0,}; + +        if (!req) +                return 0; + +        if (!xdr_to_fsetattr_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_MUST; +        state->resolve.fd_no  = args.fd; + +        gf_stat_to_iatt (&args.stbuf, &state->stbuf); +        state->valid = args.valid; + +        resolve_and_resume (frame, server_fsetattr_resume); +out: +        return 0; +} + + +int +server_readlink (rpcsvc_request_t *req) +{ +        server_state_t    *state                 = NULL; +        call_frame_t      *frame                 = NULL; +        gfs3_readlink_req  args                  = {0,}; +        char               path[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        args.path = path; + +        if (!xdr_to_readlink_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type = RESOLVE_MUST; +        state->resolve.ino  = args.ino; +        state->resolve.gen  = args.gen; +        state->resolve.path = gf_strdup (args.path); + +        state->size  = args.size; + +        resolve_and_resume (frame, server_readlink_resume); +out: +        return 0; +} + + +int +server_create (rpcsvc_request_t *req) +{ +        server_state_t      *state                  = NULL; +        server_connection_t *conn                   = NULL; +        call_frame_t        *frame                  = NULL; +        gfs3_create_req      args                   = {0,}; +        char                 path[SERVER_PATH_MAX]  = {0,}; +        char                 bname[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.path  = path; +        args.bname = bname; + +        if (!xdr_to_create_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_NOT; +        state->resolve.par    = args.par; +        state->resolve.gen    = args.gen; +        state->resolve.path   = gf_strdup (args.path); +        state->resolve.bname  = gf_strdup (args.bname); +        state->mode           = args.mode; +        state->flags          = gf_flags_to_flags (args.flags); + +        resolve_and_resume (frame, server_create_resume); +out: +        return 0; +} + + +int +server_open (rpcsvc_request_t *req) +{ +        server_state_t *state                 = NULL; +        call_frame_t   *frame                 = NULL; +        gfs3_open_req   args                  = {0,}; +        char            path[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        args.path = path; + +        if (!xdr_to_open_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type  = RESOLVE_MUST; +        state->resolve.ino   = args.ino; +        state->resolve.gen   = args.gen; +        state->resolve.path  = gf_strdup (args.path); + +        state->flags = gf_flags_to_flags (args.flags); + +        resolve_and_resume (frame, server_open_resume); +out: +        return 0; +} + + +int +server_readv (rpcsvc_request_t *req) +{ +        server_state_t *state = NULL; +        call_frame_t   *frame = NULL; +        gfs3_read_req   args  = {0,}; + +        if (!req) +                goto out; + +        if (!xdr_to_readv_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_MUST; +        state->resolve.fd_no  = args.fd; +        state->size           = args.size; +        state->offset         = args.offset; + +        resolve_and_resume (frame, server_readv_resume); +out: +        return 0; +} + + +int +server_writev (rpcsvc_request_t *req) +{ +        /* TODO : */ +        assert (0); +        return 0; +} + + +int +server_writev_vec (rpcsvc_request_t *req, struct iobuf *iobuf) +{ +        server_state_t      *state  = NULL; +        struct iobref       *iobref = NULL; +        call_frame_t        *frame  = NULL; +        gfs3_write_req       args   = {0,}; + +        if (!req) +                return 0; + +        if (!xdr_to_writev_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type  = RESOLVE_MUST; +        state->resolve.fd_no = args.fd; +        state->offset        = args.offset; + +        if (iobuf) { +                iobref = iobref_new (); +                iobref_add (iobref, iobuf); + +                state->iobref = iobref; +                state->iobuf  = iobuf_ref (iobuf); + +                state->size = req->msg[1].iov_len; +        } + +        resolve_and_resume (frame, server_writev_resume); +out: +        return 0; +} + + +int +server_release (rpcsvc_request_t *req) +{ +        server_connection_t *conn = NULL; +        gfs3_release_req     args = {0,}; +        gf_common_rsp        rsp  = {0,}; + +        if (!xdr_to_release_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        conn = req->conn->trans->xl_private; +        gf_fd_put (conn->fdtable, args.fd); + +        server_submit_reply (NULL, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); +out: +        return 0; +} + +int +server_releasedir (rpcsvc_request_t *req) +{ +        server_connection_t *conn = NULL; +        gfs3_releasedir_req  args = {0,}; +        gf_common_rsp        rsp  = {0,}; + +        if (!xdr_to_release_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        conn = req->conn->trans->xl_private; +        gf_fd_put (conn->fdtable, args.fd); + +        server_submit_reply (NULL, req, &rsp, NULL, 0, NULL, +                             xdr_serialize_common_rsp); +out: +        return 0; +} + + +int +server_fsync (rpcsvc_request_t *req) +{ +        server_state_t *state = NULL; +        call_frame_t   *frame = NULL; +        gfs3_fsync_req  args  = {0,}; + +        if (!req) +                return 0; + +        if (!xdr_to_fsync_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + + +        state = CALL_STATE (frame); + +        state->resolve.type  = RESOLVE_MUST; +        state->resolve.fd_no = args.fd; +        state->flags         = args.data; + +        resolve_and_resume (frame, server_fsync_resume); +out: +        return 0; +} + + + +int +server_flush (rpcsvc_request_t *req) +{ +        server_state_t *state = NULL; +        call_frame_t   *frame = NULL; +        gfs3_flush_req  args  = {0,}; + +        if (!req) +                return 0; + +        if (!xdr_to_flush_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type  = RESOLVE_MUST; +        state->resolve.fd_no = args.fd; + +        resolve_and_resume (frame, server_flush_resume); +out: +        return 0; +} + + + +int +server_ftruncate (rpcsvc_request_t *req) +{ +        server_state_t     *state = NULL; +        call_frame_t       *frame = NULL; +        gfs3_ftruncate_req  args  = {0,}; + +        if (!req) +                return 0; + +        if (!xdr_to_ftruncate_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_MUST; +        state->resolve.fd_no  = args.fd; +        state->offset         = args.offset; + +        resolve_and_resume (frame, server_ftruncate_resume); +out: +        return 0; +} + + +int +server_fstat (rpcsvc_request_t *req) +{ +        server_state_t *state = NULL; +        call_frame_t   *frame = NULL; +        gfs3_write_req  args  = {0,}; + +        if (!req) +                return 0; + +        if (!xdr_to_fstat_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type    = RESOLVE_MUST; +        state->resolve.fd_no   = args.fd; + +        resolve_and_resume (frame, server_fstat_resume); +out: +        return 0; +} + + +int +server_truncate (rpcsvc_request_t *req) +{ +        server_state_t    *state                 = NULL; +        call_frame_t      *frame                 = NULL; +        gfs3_truncate_req  args                  = {0,}; +        char               path[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        args.path = path; +        if (!xdr_to_truncate_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type  = RESOLVE_MUST; +        state->resolve.path  = gf_strdup (args.path); +        state->resolve.ino   = args.ino; +        state->resolve.gen   = args.gen; +        state->offset        = args.offset; + +        resolve_and_resume (frame, server_truncate_resume); +out: +        return 0; +} + + + +int +server_unlink (rpcsvc_request_t *req) +{ +        server_state_t  *state                  = NULL; +        call_frame_t    *frame                  = NULL; +        gfs3_unlink_req  args                   = {0,}; +        char             path[SERVER_PATH_MAX]  = {0,}; +        char             bname[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        args.path  = path; +        args.bname = bname; + +        if (!xdr_to_unlink_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_MUST; +        state->resolve.par    = args.par; +        state->resolve.gen    = args.gen; +        state->resolve.path   = gf_strdup (args.path); +        state->resolve.bname  = gf_strdup (args.bname); + +        resolve_and_resume (frame, server_unlink_resume); +out: +        return 0; +} + + +int +server_setxattr (rpcsvc_request_t *req) +{ +        server_state_t      *state                 = NULL; +        dict_t              *dict                  = NULL; +        call_frame_t        *frame                 = NULL; +        server_connection_t *conn                  = NULL; +        char                *buf                   = NULL; +        gfs3_setxattr_req    args                  = {0,}; +        char                 path[SERVER_PATH_MAX] = {0,}; +        char                 dict_val[(16 * 1024)] = {0, }; +        int32_t              ret                   = -1; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.path = path; +        args.dict.dict_val = dict_val; + +        if (!xdr_to_setxattr_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type     = RESOLVE_MUST; +        state->resolve.path     = gf_strdup (args.path); +        state->resolve.ino      = args.ino; +        state->resolve.gen      = args.gen; +        state->flags            = args.flags; + +        if (args.dict.dict_len) { +                dict = dict_new (); +                buf = memdup (args.dict.dict_val, args.dict.dict_len); +                GF_VALIDATE_OR_GOTO (conn->bound_xl->name, buf, out); + +                ret = dict_unserialize (buf, args.dict.dict_len, &dict); +                if (ret < 0) { +                        gf_log (conn->bound_xl->name, GF_LOG_ERROR, +                                "%"PRId64": %s (%"PRId64"): failed to " +                                "unserialize request buffer to dictionary", +                                frame->root->unique, state->loc.path, +                                state->resolve.ino); +                        goto err; +                } + +                dict->extra_free = buf; +                buf = NULL; + +                state->dict = dict; +        } + +        resolve_and_resume (frame, server_setxattr_resume); + +        return 0; +err: +        if (dict) +                dict_unref (dict); + +        server_setxattr_cbk (frame, NULL, frame->this, -1, EINVAL); +out: +        if (buf) +                GF_FREE (buf); +        return 0; + +} + + + +int +server_fsetxattr (rpcsvc_request_t *req) +{ +        server_state_t      *state                = NULL; +        dict_t              *dict                 = NULL; +        server_connection_t *conn                 = NULL; +        call_frame_t        *frame                = NULL; +        char                *buf                   = NULL; +        gfs3_fsetxattr_req   args                 = {0,}; +        char                 dict_val[(16 *1024)] = {0,}; +        int32_t              ret                  = -1; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.dict.dict_val = dict_val; +        if (!xdr_to_fsetxattr_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type      = RESOLVE_MUST; +        state->resolve.fd_no     = args.fd; +        state->flags             = args.flags; + +        if (args.dict.dict_len) { +                dict = dict_new (); +                buf = memdup (args.dict.dict_val, args.dict.dict_len); +                GF_VALIDATE_OR_GOTO (conn->bound_xl->name, buf, out); + +                ret = dict_unserialize (buf, args.dict.dict_len, &dict); +                if (ret < 0) { +                        gf_log (conn->bound_xl->name, GF_LOG_ERROR, +                                "%"PRId64": %s (%"PRId64"): failed to " +                                "unserialize request buffer to dictionary", +                                frame->root->unique, state->loc.path, +                                state->resolve.ino); +                        goto err; +                } +                dict->extra_free = buf; +                buf = NULL; +                state->dict = dict; +        } + +        resolve_and_resume (frame, server_fsetxattr_resume); + +        return 0; +err: +        if (dict) +                dict_unref (dict); + +        server_setxattr_cbk (frame, NULL, frame->this, -1, EINVAL); +out: +        if (buf) +                GF_FREE (buf); +        return 0; +} + + + +int +server_fxattrop (rpcsvc_request_t *req) +{ +        dict_t              *dict                 = NULL; +        server_state_t      *state                = NULL; +        server_connection_t *conn                 = NULL; +        call_frame_t        *frame                = NULL; +        char                *buf                   = NULL; +        gfs3_fxattrop_req    args                 = {0,}; +        char                 dict_val[(16 *1024)] = {0,}; +        int32_t              ret                  = -1; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.dict.dict_val = dict_val; +        if (!xdr_to_fxattrop_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE(frame); + +        state->resolve.type    = RESOLVE_MUST; +        state->resolve.fd_no   = args.fd; + +        state->resolve.ino     = args.ino; +        state->resolve.gen     = args.gen; +        state->flags           = args.flags; + +        if (args.dict.dict_len) { +                /* Unserialize the dictionary */ +                dict = dict_new (); + +                buf = memdup (args.dict.dict_val, args.dict.dict_len); +                GF_VALIDATE_OR_GOTO (conn->bound_xl->name, buf, out); + +                ret = dict_unserialize (buf, args.dict.dict_len, &dict); +                if (ret < 0) { +                        gf_log (conn->bound_xl->name, GF_LOG_ERROR, +                                "fd - %"PRId64" (%"PRId64"): failed to unserialize " +                                "request buffer to dictionary", +                                state->resolve.fd_no, state->fd->inode->ino); +                        goto fail; +                } +                dict->extra_free = buf; +                buf = NULL; + +                state->dict = dict; +        } + +        resolve_and_resume (frame, server_fxattrop_resume); + +        return 0; + +fail: +        if (dict) +                dict_unref (dict); + +        server_fxattrop_cbk (frame, NULL, frame->this, -1, EINVAL, NULL); +out: +        return 0; +} + + + +int +server_xattrop (rpcsvc_request_t *req) +{ +        dict_t              *dict                  = NULL; +        server_state_t      *state                 = NULL; +        server_connection_t *conn                  = NULL; +        call_frame_t        *frame                 = NULL; +        char                *buf                   = NULL; +        gfs3_xattrop_req     args                  = {0,}; +        char                 dict_val[(16 *1024)]  = {0,}; +        char                 path[SERVER_PATH_MAX] = {0,}; +        int32_t              ret                   = -1; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; +        args.dict.dict_val = dict_val; +        args.path = path; + +        if (!xdr_to_xattrop_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE(frame); + +        state->resolve.type    = RESOLVE_MUST; +        state->resolve.path    = gf_strdup (args.path); +        state->resolve.ino     = args.ino; +        state->resolve.gen     = args.gen; +        state->flags           = args.flags; + +        if (args.dict.dict_len) { +                /* Unserialize the dictionary */ +                dict = dict_new (); + +                buf = memdup (args.dict.dict_val, args.dict.dict_len); +                GF_VALIDATE_OR_GOTO (conn->bound_xl->name, buf, out); + +                ret = dict_unserialize (buf, args.dict.dict_len, &dict); +                if (ret < 0) { +                        gf_log (conn->bound_xl->name, GF_LOG_ERROR, +                                "fd - %"PRId64" (%"PRId64"): failed to unserialize " +                                "request buffer to dictionary", +                                state->resolve.fd_no, state->fd->inode->ino); +                        goto fail; +                } +                dict->extra_free = buf; +                buf = NULL; + +                state->dict = dict; +        } + +        resolve_and_resume (frame, server_xattrop_resume); + +        return 0; +fail: +        if (dict) +                dict_unref (dict); + +        server_xattrop_cbk (frame, NULL, frame->this, -1, EINVAL, NULL); +out: +        return 0; +} + + +int +server_getxattr (rpcsvc_request_t *req) +{ +        server_state_t      *state                 = NULL; +        server_connection_t *conn                  = NULL; +        call_frame_t        *frame                 = NULL; +        gfs3_getxattr_req    args                  = {0,}; +        char                 path[SERVER_PATH_MAX] = {0,}; +        char                 name[4096]            = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.path = path; +        args.name = name; + +        if (!xdr_to_getxattr_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type  = RESOLVE_MUST; +        state->resolve.path  = gf_strdup (args.path); +        state->resolve.ino   = args.ino; +        state->resolve.gen   = args.gen; + +        if (args.namelen) +                state->name = gf_strdup (args.name); + +        resolve_and_resume (frame, server_getxattr_resume); +out: +        return 0; +} + + +int +server_fgetxattr (rpcsvc_request_t *req) +{ +        server_state_t      *state      = NULL; +        server_connection_t *conn       = NULL; +        call_frame_t        *frame      = NULL; +        gfs3_fgetxattr_req   args       = {0,}; +        char                 name[4096] = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.name = name; +        if (!xdr_to_fgetxattr_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type  = RESOLVE_MUST; +        state->resolve.fd_no = args.fd; + +        if (args.namelen) +                state->name = gf_strdup (args.name); + +        resolve_and_resume (frame, server_fgetxattr_resume); +out: +        return 0; +} + + + +int +server_removexattr (rpcsvc_request_t *req) +{ +        server_state_t       *state                 = NULL; +        server_connection_t  *conn                  = NULL; +        call_frame_t         *frame                 = NULL; +        gfs3_removexattr_req  args                  = {0,}; +        char                  path[SERVER_PATH_MAX] = {0,}; +        char                  name[4096]            = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.path = path; +        args.name = name; +        if (!xdr_to_removexattr_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_MUST; +        state->resolve.path   = gf_strdup (args.path); +        state->resolve.ino    = args.ino; +        state->resolve.gen    = args.gen; +        state->name           = gf_strdup (args.name); + +        resolve_and_resume (frame, server_removexattr_resume); +out: +        return 0; +} + + + + +int +server_opendir (rpcsvc_request_t *req) +{ +        server_state_t   *state                 = NULL; +        call_frame_t     *frame                 = NULL; +        gfs3_opendir_req  args                  = {0,}; +        char              path[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        args.path = path; + +        if (!xdr_to_opendir_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_MUST; +        state->resolve.path   = gf_strdup (args.path); +        state->resolve.ino    = args.ino; +        state->resolve.gen    = args.gen; + +        resolve_and_resume (frame, server_opendir_resume); +out: +        return 0; +} + + +int +server_readdirp (rpcsvc_request_t *req) +{ +        server_state_t      *state = NULL; +        server_connection_t *conn  = NULL; +        call_frame_t        *frame = NULL; +        gfs3_readdirp_req    args  = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        if (!xdr_to_readdirp_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE(frame); + +        state->resolve.type = RESOLVE_MUST; +        state->resolve.fd_no = args.fd; +        state->size   = args.size; +        state->offset = args.offset; + +        resolve_and_resume (frame, server_readdirp_resume); +out: +        return 0; +} + +int +server_readdir (rpcsvc_request_t *req) +{ +        server_state_t      *state = NULL; +        server_connection_t *conn  = NULL; +        call_frame_t        *frame = NULL; +        gfs3_readdir_req     args  = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        if (!xdr_to_readdir_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE(frame); + +        state->resolve.type = RESOLVE_MUST; +        state->resolve.fd_no = args.fd; +        state->size   = args.size; +        state->offset = args.offset; + +        resolve_and_resume (frame, server_readdir_resume); +out: +        return 0; +} + +int +server_fsyncdir (rpcsvc_request_t *req) +{ +        server_state_t      *state = NULL; +        server_connection_t *conn  = NULL; +        call_frame_t        *frame = NULL; +        gfs3_fsyncdir_req    args  = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        if (!xdr_to_fsyncdir_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE(frame); + +        state->resolve.type = RESOLVE_MUST; +        state->resolve.fd_no = args.fd; +        state->flags = args.data; + +        resolve_and_resume (frame, server_fsyncdir_resume); +out: +        return 0; +} + + + +int +server_mknod (rpcsvc_request_t *req) +{ +        server_state_t      *state                  = NULL; +        server_connection_t *conn                   = NULL; +        call_frame_t        *frame                  = NULL; +        gfs3_mknod_req       args                   = {0,}; +        char                 bname[SERVER_PATH_MAX] = {0,}; +        char                 path[SERVER_PATH_MAX]  = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; +        args.path  = path; +        args.bname = bname; + +        if (!xdr_to_mknod_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type    = RESOLVE_NOT; +        state->resolve.par     = args.par; +        state->resolve.gen     = args.gen; +        state->resolve.path    = gf_strdup (args.path); +        state->resolve.bname   = gf_strdup (args.bname); + +        state->mode = args.mode; +        state->dev  = args.dev; + +        resolve_and_resume (frame, server_mknod_resume); +out: +        return 0; +} + + +int +server_mkdir (rpcsvc_request_t *req) +{ +        server_state_t      *state                  = NULL; +        server_connection_t *conn                   = NULL; +        call_frame_t        *frame                  = NULL; +        gfs3_mkdir_req       args                   = {0,}; +        char                 bname[SERVER_PATH_MAX] = {0,}; +        char                 path[SERVER_PATH_MAX]  = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; +        args.path  = path; +        args.bname = bname; + +        if (!xdr_to_mkdir_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type    = RESOLVE_NOT; +        state->resolve.par     = args.par; +        state->resolve.gen     = args.gen; +        state->resolve.path    = gf_strdup (args.path); +        state->resolve.bname   = gf_strdup (args.bname); + +        state->mode = args.mode; + +        resolve_and_resume (frame, server_mkdir_resume); +out: +        return 0; +} + + +int +server_rmdir (rpcsvc_request_t *req) +{ +        server_state_t      *state                  = NULL; +        server_connection_t *conn                   = NULL; +        call_frame_t        *frame                  = NULL; +        gfs3_rmdir_req       args                   = {0,}; +        char                 bname[SERVER_PATH_MAX] = {0,}; +        char                 path[SERVER_PATH_MAX]  = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; +        args.path = path; +        args.bname = bname; + +        if (!xdr_to_rmdir_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type    = RESOLVE_MUST; +        state->resolve.par     = args.par; +        state->resolve.gen     = args.gen; +        state->resolve.path    = gf_strdup (args.path); +        state->resolve.bname   = gf_strdup (args.bname); + +        resolve_and_resume (frame, server_rmdir_resume); +out: +        return 0; +} + + + +int +server_inodelk (rpcsvc_request_t *req) +{ +        server_state_t      *state                 = NULL; +        server_connection_t *conn                  = NULL; +        call_frame_t        *frame                 = NULL; +        gfs3_inodelk_req     args                  = {0,}; +        char                 path[SERVER_PATH_MAX] = {0,}; +        char                 volume[4096]          = {0,}; +        int                  cmd                   = 0; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; +        args.path = path; +        args.volume = volume; + +        if (!xdr_to_inodelk_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type    = RESOLVE_EXACT; +        state->resolve.ino     = args.ino; +        state->resolve.gen     = args.gen; +        state->resolve.path    = gf_strdup (args.path); + +        cmd = args.cmd; +        switch (cmd) { +        case GF_LK_GETLK: +                state->cmd = F_GETLK; +                break; +        case GF_LK_SETLK: +                state->cmd = F_SETLK; +                break; +        case GF_LK_SETLKW: +                state->cmd = F_SETLKW; +                break; +        } + +        state->type = args.type; +        state->volume = gf_strdup (args.volume); + +        gf_flock_to_flock (&args.flock, &state->flock); + +        switch (state->type) { +        case GF_LK_F_RDLCK: +                state->flock.l_type = F_RDLCK; +                break; +        case GF_LK_F_WRLCK: +                state->flock.l_type = F_WRLCK; +                break; +        case GF_LK_F_UNLCK: +                state->flock.l_type = F_UNLCK; +                break; +        } + +        resolve_and_resume (frame, server_inodelk_resume); +out: +        return 0; +} + +int +server_finodelk (rpcsvc_request_t *req) +{ +        server_state_t      *state        = NULL; +        server_connection_t *conn         = NULL; +        call_frame_t        *frame        = NULL; +        gfs3_finodelk_req    args         = {0,}; +        char                 volume[4096] = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.volume = volume; +        if (!xdr_to_finodelk_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE(frame); + +        state->resolve.type = RESOLVE_EXACT; +        state->volume = gf_strdup (args.volume); +        state->resolve.fd_no = args.fd; +        state->cmd = args.cmd; + +        switch (state->cmd) { +        case GF_LK_GETLK: +                state->cmd = F_GETLK; +                break; +        case GF_LK_SETLK: +                state->cmd = F_SETLK; +                break; +        case GF_LK_SETLKW: +                state->cmd = F_SETLKW; +                break; +        } + +        state->type = args.type; + +        gf_flock_to_flock (&args.flock, &state->flock); + +        switch (state->type) { +        case GF_LK_F_RDLCK: +                state->flock.l_type = F_RDLCK; +                break; +        case GF_LK_F_WRLCK: +                state->flock.l_type = F_WRLCK; +                break; +        case GF_LK_F_UNLCK: +                state->flock.l_type = F_UNLCK; +                break; +        } + +        resolve_and_resume (frame, server_finodelk_resume); +out: +        return 0; +} + + +int +server_entrylk (rpcsvc_request_t *req) +{ +        server_state_t      *state                 = NULL; +        server_connection_t *conn                  = NULL; +        call_frame_t        *frame                 = NULL; +        gfs3_entrylk_req     args                  = {0,}; +        char                 path[SERVER_PATH_MAX] = {0,}; +        char                 name[4096]            = {0,}; +        char                 volume[4096]          = {0,}; + +        if (!req) +                return 0; + +        args.path = path; +        args.volume = volume; +        args.name = name; + +        conn = req->conn->trans->xl_private; + +        if (!xdr_to_entrylk_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_EXACT; +        state->resolve.path   = gf_strdup (args.path); +        state->resolve.ino    = args.ino; +        state->resolve.gen    = args.gen; + +        if (args.namelen) +                state->name   = gf_strdup (args.name); +        state->volume         = gf_strdup (args.volume); + +        state->cmd            = args.cmd; +        state->type           = args.type; + +        resolve_and_resume (frame, server_entrylk_resume); +out: +        return 0; +} + +int +server_fentrylk (rpcsvc_request_t *req) +{ +        server_state_t      *state        = NULL; +        server_connection_t *conn         = NULL; +        call_frame_t        *frame        = NULL; +        gfs3_fentrylk_req    args         = {0,}; +        char                 name[4096]   = {0,}; +        char                 volume[4096] = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.name = name; +        args.volume = volume; +        if (!xdr_to_fentrylk_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE(frame); + +        state->resolve.type = RESOLVE_EXACT; +        state->resolve.fd_no = args.fd; +        state->cmd  = args.cmd; +        state->type = args.type; + +        if (args.namelen) +                state->name = gf_strdup (args.name); +        state->volume = gf_strdup (args.volume); + +        resolve_and_resume (frame, server_finodelk_resume); +out: +        return 0; +} + +int +server_access (rpcsvc_request_t *req) +{ +        server_state_t      *state                 = NULL; +        server_connection_t *conn                  = NULL; +        call_frame_t        *frame                 = NULL; +        gfs3_access_req      args                  = {0,}; +        char                 path[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.path = path; +        if (!xdr_to_access_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type  = RESOLVE_MUST; +        state->resolve.ino   = args.ino; +        state->resolve.gen   = args.gen; +        state->resolve.path  = gf_strdup (args.path); +        state->mask          = args.mask; + +        resolve_and_resume (frame, server_access_resume); +out: +        return 0; +} + + + +int +server_symlink (rpcsvc_request_t *req) +{ +        server_state_t      *state                 = NULL; +        server_connection_t *conn                  = NULL; +        call_frame_t        *frame                 = NULL; +        gfs3_symlink_req     args                  = {0,}; +        char                 linkname[4096]        = {0,}; +        char                 path[SERVER_PATH_MAX] = {0,}; +        char                 bname[4096]           = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; +        args.path = path; +        args.bname = bname; +        args.linkname = linkname; + +        if (!xdr_to_symlink_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_NOT; +        state->resolve.par    = args.par; +        state->resolve.gen    = args.gen; +        state->resolve.path   = gf_strdup (args.path); +        state->resolve.bname  = gf_strdup (args.bname); +        state->name           = gf_strdup (args.linkname); + +        resolve_and_resume (frame, server_symlink_resume); +out: +        return 0; +} + + + +int +server_link (rpcsvc_request_t *req) +{ +        server_state_t      *state                     = NULL; +        server_connection_t *conn                      = NULL; +        call_frame_t        *frame                     = NULL; +        gfs3_link_req        args                      = {0,}; +        char                 oldpath[SERVER_PATH_MAX]  = {0,}; +        char                 newpath[SERVER_PATH_MAX]  = {0,}; +        char                 newbname[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.oldpath  = oldpath; +        args.newpath  = newpath; +        args.newbname = newbname; + +        if (!xdr_to_link_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type    = RESOLVE_MUST; +        state->resolve.path    = gf_strdup (args.oldpath); +        state->resolve.ino     = args.oldino; +        state->resolve.gen     = args.oldgen; + +        state->resolve2.type   = RESOLVE_NOT; +        state->resolve2.path   = gf_strdup (args.newpath); +        state->resolve2.bname  = gf_strdup (args.newbname); +        state->resolve2.par    = args.newpar; +        state->resolve2.gen    = args.newgen; + +        resolve_and_resume (frame, server_link_resume); +out: +        return 0; +} + + +int +server_rename (rpcsvc_request_t *req) +{ +        server_state_t      *state                     = NULL; +        server_connection_t *conn                      = NULL; +        call_frame_t        *frame                     = NULL; +        gfs3_rename_req      args                      = {0,}; +        char                 oldpath[SERVER_PATH_MAX]  = {0,}; +        char                 oldbname[SERVER_PATH_MAX] = {0,}; +        char                 newpath[SERVER_PATH_MAX]  = {0,}; +        char                 newbname[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.oldpath  = oldpath; +        args.oldbname = oldbname; +        args.newpath  = newpath; +        args.newbname = newbname; +        if (!xdr_to_rename_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_MUST; +        state->resolve.path   = gf_strdup (args.oldpath); +        state->resolve.bname  = gf_strdup (args.oldbname); +        state->resolve.par    = args.oldpar; +        state->resolve.gen    = args.oldgen; + +        state->resolve2.type  = RESOLVE_MAY; +        state->resolve2.path  = gf_strdup (args.newpath); +        state->resolve2.bname = gf_strdup (args.newbname); +        state->resolve2.par   = args.newpar; +        state->resolve2.gen   = args.newgen; + +        resolve_and_resume (frame, server_rename_resume); +out: +        return 0; +} + +int +server_lk (rpcsvc_request_t *req) +{ +        server_state_t      *state = NULL; +        server_connection_t *conn  = NULL; +        call_frame_t        *frame = NULL; +        gfs3_lk_req          args  = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        if (!xdr_to_lk_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.fd_no = args.fd; +        state->cmd =  args.cmd; +        state->type = args.type; + +        switch (state->cmd) { +        case GF_LK_GETLK: +                state->cmd = F_GETLK; +                break; +        case GF_LK_SETLK: +                state->cmd = F_SETLK; +                break; +        case GF_LK_SETLKW: +                state->cmd = F_SETLKW; +                break; +        } + +        gf_flock_to_flock (&args.flock, &state->flock); + +        switch (state->type) { +        case GF_LK_F_RDLCK: +                state->flock.l_type = F_RDLCK; +                break; +        case GF_LK_F_WRLCK: +                state->flock.l_type = F_WRLCK; +                break; +        case GF_LK_F_UNLCK: +                state->flock.l_type = F_UNLCK; +                break; +        default: +                gf_log (conn->bound_xl->name, GF_LOG_ERROR, +                        "fd - %"PRId64" (%"PRId64"): Unknown lock type: %"PRId32"!", +                        state->resolve.fd_no, state->fd->inode->ino, state->type); +                break; +        } + + +        resolve_and_resume (frame, server_lk_resume); +out: +        return 0; +} + +int +server_checksum (rpcsvc_request_t *req) +{ +        server_state_t      *state                 = NULL; +        server_connection_t *conn                  = NULL; +        call_frame_t        *frame                 = NULL; +        gfs3_checksum_req    args                  = {0,}; +        char                 path[SERVER_PATH_MAX] = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.path = path; +        if (!xdr_to_checksum_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type = RESOLVE_MAY; +        state->resolve.path = gf_strdup (args.path); +        state->resolve.gen  = args.gen; +        state->resolve.ino  = args.ino; +        state->flags        = args.flag; + +        resolve_and_resume (frame, server_checksum_resume); +out: +        return 0; +} + + + +int +server_rchecksum (rpcsvc_request_t *req) +{ +        server_state_t      *state = NULL; +        server_connection_t *conn  = NULL; +        call_frame_t        *frame = NULL; +        gfs3_rchecksum_req   args  = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        if (!xdr_to_rchecksum_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE(frame); + +        state->resolve.type  = RESOLVE_MAY; +        state->resolve.fd_no = args.fd; +        state->offset        = args.offset; +        state->size          = args.len; + +        resolve_and_resume (frame, server_rchecksum_resume); +out: +        return 0; +} + +int +server_null (rpcsvc_request_t *req) +{ +        gf_common_rsp rsp = {0,}; + +        rsp.gfs_id = req->gfs_id; +        /* Accepted */ +        rsp.op_ret = 0; + +        server_submit_reply (NULL, req, &rsp, NULL, 0, NULL, +                             (gfs_serialize_t)xdr_serialize_common_rsp); + +        return 0; +} + +int +server_lookup (rpcsvc_request_t *req) +{ +        call_frame_t        *frame                  = NULL; +        server_connection_t *conn                   = NULL; +        server_state_t      *state                  = NULL; +        dict_t              *xattr_req              = NULL; +        char                *buf                    = NULL; +        gfs3_lookup_req      args                   = {0,}; +        int                  ret                    = 0; +        char                 path[SERVER_PATH_MAX]  = {0,}; +        char                 bname[SERVER_PATH_MAX] = {0,}; +        char                 dict_val[(16 * 1024)]  = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; + +        args.path = path; +        args.bname = bname; +        args.dict.dict_val = dict_val; + +        if (!xdr_to_lookup_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto err; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; +                goto err; +        } + +        /* NOTE: lookup() uses req->ino only to identify if a lookup() +         *       is requested for 'root' or not +         */ + +        state = CALL_STATE (frame); +        state->resolve.ino    = args.ino; +        if (state->resolve.ino != 1) +                state->resolve.ino = 0; + +        state->resolve.type   = RESOLVE_DONTCARE; +        state->resolve.par    = args.par; +        state->resolve.gen    = args.gen; +        state->resolve.path   = gf_strdup (args.path); + +        if (IS_NOT_ROOT (STRLEN_0 (args.path))) { +                state->resolve.bname = gf_strdup (args.bname); +        } + +        if (args.dict.dict_len) { +                /* Unserialize the dictionary */ +                xattr_req = dict_new (); + +                buf = memdup (args.dict.dict_val, args.dict.dict_len); +                if (buf == NULL) { +                        gf_log (conn->bound_xl->name, GF_LOG_ERROR, +                                "out of memory"); +                        goto err; +                } + +                ret = dict_unserialize (buf, args.dict.dict_len, +                                        &xattr_req); +                if (ret < 0) { +                        gf_log (conn->bound_xl->name, GF_LOG_ERROR, +                                "%"PRId64": %s (%"PRId64"): failed to " +                                "unserialize req-buffer to dictionary", +                                frame->root->unique, state->resolve.path, +                                state->resolve.ino); +                        goto err; +                } + +                state->dict = xattr_req; + +                xattr_req->extra_free = buf; + +                buf = NULL; +        } + +        resolve_and_resume (frame, server_lookup_resume); + +        return 0; +err: +        if (xattr_req) +                dict_unref (xattr_req); + +        if (buf) { +                GF_FREE (buf); +        } + +        server_lookup_cbk (frame, NULL, frame->this, -1, EINVAL, NULL, NULL, +                           NULL, NULL); + +        return 0; +} + +int +server_statfs (rpcsvc_request_t *req) +{ +        server_state_t      *state = NULL; +        server_connection_t *conn  = NULL; +        call_frame_t        *frame = NULL; +        gfs3_statfs_req      args  = {0,}; +        char                 path[SERVER_PATH_MAX]  = {0,}; + +        if (!req) +                return 0; + +        conn = req->conn->trans->xl_private; +        args.path = path; +        if (!xdr_to_statfs_req (req->msg[0], &args)) { +                //failed to decode msg; +                req->rpc_err = GARBAGE_ARGS; +                goto out; +        } + +        frame = get_frame_from_request (req); +        if (!frame) { +                // something wrong, mostly insufficient memory +                req->rpc_err = GARBAGE_ARGS; /* TODO */ +                goto out; +        } + +        state = CALL_STATE (frame); + +        state->resolve.type   = RESOLVE_MUST; +        state->resolve.ino    = args.ino; +        if (!state->resolve.ino) +                state->resolve.ino = 1; +        state->resolve.gen    = args.gen; +        state->resolve.path   = gf_strdup (args.path); + +        resolve_and_resume (frame, server_statfs_resume); +out: +        return 0; +} + + +rpcsvc_actor_t glusterfs3_1_fop_actors[] = { +        [GFS3_OP_NULL]        = { "NULL",       GFS3_OP_NULL, server_null, NULL, NULL}, +        [GFS3_OP_STAT]        = { "STAT",       GFS3_OP_STAT, server_stat, NULL, NULL }, +        [GFS3_OP_READLINK]    = { "READLINK",   GFS3_OP_READLINK, server_readlink, NULL, NULL }, +        [GFS3_OP_MKNOD]       = { "MKNOD",      GFS3_OP_MKNOD, server_mknod, NULL, NULL }, +        [GFS3_OP_MKDIR]       = { "MKDIR",      GFS3_OP_MKDIR, server_mkdir, NULL, NULL }, +        [GFS3_OP_UNLINK]      = { "UNLINK",     GFS3_OP_UNLINK, server_unlink, NULL, NULL }, +        [GFS3_OP_RMDIR]       = { "RMDIR",      GFS3_OP_RMDIR, server_rmdir, NULL, NULL }, +        [GFS3_OP_SYMLINK]     = { "SYMLINK",    GFS3_OP_SYMLINK, server_symlink, NULL, NULL }, +        [GFS3_OP_RENAME]      = { "RENAME",     GFS3_OP_RENAME, server_rename, NULL, NULL }, +        [GFS3_OP_LINK]        = { "LINK",       GFS3_OP_LINK, server_link, NULL, NULL }, +        [GFS3_OP_TRUNCATE]    = { "TRUNCATE",   GFS3_OP_TRUNCATE, server_truncate, NULL, NULL }, +        [GFS3_OP_OPEN]        = { "OPEN",       GFS3_OP_OPEN, server_open, NULL, NULL }, +        [GFS3_OP_READ]        = { "READ",       GFS3_OP_READ, server_readv, NULL, NULL }, +        [GFS3_OP_WRITE]       = { "WRITE",      GFS3_OP_WRITE, server_writev, server_writev_vec, NULL }, +        [GFS3_OP_STATFS]      = { "STATFS",     GFS3_OP_STATFS, server_statfs, NULL, NULL }, +        [GFS3_OP_FLUSH]       = { "FLUSH",      GFS3_OP_FLUSH, server_flush, NULL, NULL }, +        [GFS3_OP_FSYNC]       = { "FSYNC",      GFS3_OP_FSYNC, server_fsync, NULL, NULL }, +        [GFS3_OP_SETXATTR]    = { "SETXATTR",   GFS3_OP_SETXATTR, server_setxattr, NULL, NULL }, +        [GFS3_OP_GETXATTR]    = { "GETXATTR",   GFS3_OP_GETXATTR, server_getxattr, NULL, NULL }, +        [GFS3_OP_REMOVEXATTR] = { "REMOVEXATTR", GFS3_OP_REMOVEXATTR, server_removexattr, NULL, NULL }, +        [GFS3_OP_OPENDIR]     = { "OPENDIR",    GFS3_OP_OPENDIR, server_opendir, NULL, NULL }, +        [GFS3_OP_FSYNCDIR]    = { "FSYNCDIR",   GFS3_OP_FSYNCDIR, server_fsyncdir, NULL, NULL }, +        [GFS3_OP_ACCESS]      = { "ACCESS",     GFS3_OP_ACCESS, server_access, NULL, NULL }, +        [GFS3_OP_CREATE]      = { "CREATE",     GFS3_OP_CREATE, server_create, NULL, NULL }, +        [GFS3_OP_FTRUNCATE]   = { "FTRUNCATE",  GFS3_OP_FTRUNCATE, server_ftruncate, NULL, NULL }, +        [GFS3_OP_FSTAT]       = { "FSTAT",      GFS3_OP_FSTAT, server_fstat, NULL, NULL }, +        [GFS3_OP_LK]          = { "LK",         GFS3_OP_LK, server_lk, NULL, NULL }, +        [GFS3_OP_LOOKUP]      = { "LOOKUP",     GFS3_OP_LOOKUP, server_lookup, NULL, NULL }, +        [GFS3_OP_READDIR]     = { "READDIR",    GFS3_OP_READDIR, server_readdir, NULL, NULL }, +        [GFS3_OP_INODELK]     = { "INODELK",    GFS3_OP_INODELK, server_inodelk, NULL, NULL }, +        [GFS3_OP_FINODELK]    = { "FINODELK",   GFS3_OP_FINODELK, server_finodelk, NULL, NULL }, +	[GFS3_OP_ENTRYLK]     = { "ENTRYLK",    GFS3_OP_ENTRYLK, server_entrylk, NULL, NULL }, +	[GFS3_OP_FENTRYLK]    = { "FENTRYLK",   GFS3_OP_FENTRYLK, server_fentrylk, NULL, NULL }, +        [GFS3_OP_CHECKSUM]    = { "CHECKSUM",   GFS3_OP_CHECKSUM, server_checksum, NULL, NULL }, +        [GFS3_OP_XATTROP]     = { "XATTROP",    GFS3_OP_XATTROP, server_xattrop, NULL, NULL }, +        [GFS3_OP_FXATTROP]    = { "FXATTROP",   GFS3_OP_FXATTROP, server_fxattrop, NULL, NULL }, +        [GFS3_OP_FGETXATTR]   = { "FGETXATTR",  GFS3_OP_FGETXATTR, server_fgetxattr, NULL, NULL }, +        [GFS3_OP_FSETXATTR]   = { "FSETXATTR",  GFS3_OP_FSETXATTR, server_fsetxattr, NULL, NULL }, +        [GFS3_OP_RCHECKSUM]   = { "RCHECKSUM",  GFS3_OP_RCHECKSUM, server_rchecksum, NULL, NULL }, +        [GFS3_OP_SETATTR]     = { "SETATTR",    GFS3_OP_SETATTR, server_setattr, NULL, NULL }, +        [GFS3_OP_FSETATTR]    = { "FSETATTR",   GFS3_OP_FSETATTR, server_fsetattr, NULL, NULL }, +        [GFS3_OP_READDIRP]    = { "READDIRP",   GFS3_OP_READDIRP, server_readdirp, NULL, NULL }, +        [GFS3_OP_RELEASE]     = { "RELEASE",    GFS3_OP_RELEASE, server_release, NULL, NULL }, +        [GFS3_OP_RELEASEDIR]  = { "RELEASEDIR", GFS3_OP_RELEASEDIR, server_releasedir, NULL, NULL }, +}; + + +struct rpcsvc_program glusterfs3_1_fop_prog = { +        .progname  = "GlusterFS-3.1.0", +        .prognum   = GLUSTER3_1_FOP_PROGRAM, +        .progver   = GLUSTER3_1_FOP_VERSION, +        .numactors = GLUSTER3_1_FOP_PROCCNT, +        .actors    = glusterfs3_1_fop_actors, +        .progport  = 7007, +};  | 
