diff options
Diffstat (limited to 'xlators/protocol/server/src/server-protocol.c')
| -rw-r--r-- | xlators/protocol/server/src/server-protocol.c | 7984 |
1 files changed, 7984 insertions, 0 deletions
diff --git a/xlators/protocol/server/src/server-protocol.c b/xlators/protocol/server/src/server-protocol.c new file mode 100644 index 00000000000..a5198c1ed07 --- /dev/null +++ b/xlators/protocol/server/src/server-protocol.c @@ -0,0 +1,7984 @@ +/* + Copyright (c) 2006, 2007, 2008 Z RESEARCH, Inc. <http://www.zresearch.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 <time.h> +#include <sys/uio.h> +#include <sys/resource.h> + +#include <libgen.h> + +#include "transport.h" +#include "fnmatch.h" +#include "xlator.h" +#include "protocol.h" +#include "server-protocol.h" +#include "server-helpers.h" +#include "call-stub.h" +#include "defaults.h" +#include "list.h" +#include "dict.h" +#include "compat.h" +#include "compat-errno.h" + + +static void +protocol_server_reply (call_frame_t *frame, + int type, int op, + gf_hdr_common_t *hdr, size_t hdrlen, + struct iovec *vector, int count, + dict_t *refs) +{ + server_state_t *state = NULL; + xlator_t *bound_xl = NULL; + transport_t *trans = NULL; + + bound_xl = BOUND_XL(frame); + state = CALL_STATE(frame); + trans = state->trans; + + hdr->callid = hton64 (frame->root->unique); + hdr->type = hton32 (type); + hdr->op = hton32 (op); + + transport_submit (trans, (char *)hdr, hdrlen, vector, count, refs); + /* TODO: If transport submit fails, there is no reply sent to client, + * its bailed out as of now.. loggically, only this frame should fail. + */ + + STACK_DESTROY (frame->root); + + if (state) + free_state (state); + +} + + +/* + * server_fchmod_cbk + */ +int32_t +server_fchmod_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_fchmod_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) { + gf_stat_from_stat (&rsp->stat, stbuf); + } else { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": FCHMOD %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_FCHMOD, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_fchmod + * + */ +int32_t +server_fchmod (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + server_connection_t *conn = NULL; + gf_fop_fchmod_req_t *req = NULL; + server_state_t *state = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->mode = ntoh32 (req->mode); + } + + GF_VALIDATE_OR_GOTO(bound_xl->name, state->fd, fail); + + STACK_WIND (frame, + server_fchmod_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->fchmod, + state->fd, + state->mode); + + return 0; +fail: + server_fchmod_cbk (frame, NULL, frame->this, + -1, EINVAL, NULL); + return 0; +} + + +/* + * server_fchown_cbk + */ +int32_t +server_fchown_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_fchown_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) { + gf_stat_from_stat (&rsp->stat, stbuf); + } else { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": FCHOWN %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_FCHOWN, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_fchown + * + */ +int32_t +server_fchown (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + server_connection_t *conn = NULL; + gf_fop_fchown_req_t *req = NULL; + server_state_t *state = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->uid = ntoh32 (req->uid); + state->gid = ntoh32 (req->gid); + } + + GF_VALIDATE_OR_GOTO(bound_xl->name, state->fd, fail); + + STACK_WIND (frame, + server_fchown_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->fchown, + state->fd, + state->uid, + state->gid); + + return 0; +fail: + server_fchown_cbk (frame, NULL, frame->this, + -1, EINVAL, NULL); + return 0; +} + +/* + * server_setdents_cbk - writedir callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * + * not for external reference + */ +int32_t +server_setdents_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_setdents_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_SETDENTS, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_lk_cbk - lk callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @lock: + * + * not for external reference + */ +int32_t +server_lk_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct flock *lock) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_lk_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) { + gf_flock_from_flock (&rsp->flock, lock); + } else if (op_errno != ENOSYS) { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": LK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_LK, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +int32_t +server_inodelk_cbk (call_frame_t *frame, void *cookie, + xlator_t *this, int32_t op_ret, int32_t op_errno) +{ + server_connection_t *conn = NULL; + gf_hdr_common_t *hdr = NULL; + gf_fop_inodelk_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + conn = SERVER_CONNECTION(frame); + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret >= 0) { + if (state->flock.l_type == F_UNLCK) + gf_del_locker (conn->ltable, + &state->loc, NULL, frame->root->pid); + else + gf_add_locker (conn->ltable, + &state->loc, NULL, frame->root->pid); + } else if (op_errno != ENOSYS) { + gf_log (this->name, GF_LOG_DEBUG, + "%"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_loc_wipe (&state->loc); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_INODELK, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +int32_t +server_finodelk_cbk (call_frame_t *frame, void *cookie, + xlator_t *this, int32_t op_ret, int32_t op_errno) +{ + server_connection_t *conn = NULL; + gf_hdr_common_t *hdr = NULL; + gf_fop_finodelk_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + conn = SERVER_CONNECTION(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + state = CALL_STATE(frame); + + if (op_ret >= 0) { + if (state->flock.l_type == F_UNLCK) + gf_del_locker (conn->ltable, + NULL, state->fd, frame->root->pid); + else + gf_add_locker (conn->ltable, + NULL, state->fd, frame->root->pid); + } else if (op_errno != ENOSYS) { + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": FINODELK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_FINODELK, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_entrylk_cbk - + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @lock: + * + * not for external reference + */ +int32_t +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; + gf_hdr_common_t *hdr = NULL; + gf_fop_entrylk_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + conn = SERVER_CONNECTION(frame); + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret >= 0) { + if (state->cmd == ENTRYLK_UNLOCK) + gf_del_locker (conn->ltable, + &state->loc, NULL, frame->root->pid); + else + gf_add_locker (conn->ltable, + &state->loc, NULL, frame->root->pid); + } else if (op_errno != ENOSYS) { + gf_log (this->name, GF_LOG_DEBUG, + "%"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_loc_wipe (&state->loc); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_ENTRYLK, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +int32_t +server_fentrylk_cbk (call_frame_t *frame, void *cookie, + xlator_t *this, int32_t op_ret, int32_t op_errno) +{ + server_connection_t *conn = NULL; + gf_hdr_common_t *hdr = NULL; + gf_fop_fentrylk_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + conn = SERVER_CONNECTION(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret >= 0) { + state = CALL_STATE(frame); + if (state->cmd == ENTRYLK_UNLOCK) + gf_del_locker (conn->ltable, + NULL, state->fd, frame->root->pid); + else + gf_add_locker (conn->ltable, + NULL, state->fd, frame->root->pid); + } else if (op_errno != ENOSYS) { + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": FENTRYLK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_FENTRYLK, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_access_cbk - access callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * + * not for external reference + */ +int32_t +server_access_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_access_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_ACCESS, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_utimens_cbk - utimens callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @stbuf: + * + * not for external reference + */ +int32_t +server_utimens_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_utimens_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) + gf_stat_from_stat (&rsp->stat, stbuf); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_UTIMENS, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_chmod_cbk - chmod callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @stbuf: + * + * not for external reference + */ +int32_t +server_chmod_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_chmod_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) + gf_stat_from_stat (&rsp->stat, stbuf); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_CHMOD, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_chown_cbk - chown callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @stbuf: + * + * not for external reference + */ +int32_t +server_chown_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_chown_rsp_t *rsp = NULL; + server_state_t *state = NULL; + int32_t gf_errno = 0; + size_t hdrlen = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) + gf_stat_from_stat (&rsp->stat, stbuf); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_CHOWN, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_rmdir_cbk - rmdir callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * + * not for external reference + */ +int32_t +server_rmdir_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_rmdir_rsp_t *rsp = NULL; + server_state_t *state = NULL; + int32_t gf_errno = 0; + size_t hdrlen = 0; + + state = CALL_STATE(frame); + + if (op_ret == 0) { + inode_unlink (state->loc.inode, state->loc.parent, + state->loc.name); + } else { + gf_log (this->name, GF_LOG_DEBUG, + "%"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)); + } + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_RMDIR, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_mkdir_cbk - mkdir callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @stbuf: + * + * not for external reference + */ +int32_t +server_mkdir_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + inode_t *inode, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_mkdir_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret >= 0) { + gf_stat_from_stat (&rsp->stat, stbuf); + inode_link (inode, state->loc.parent, state->loc.name, stbuf); + inode_lookup (inode); + } else { + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": MKDIR %s ==> %"PRId32" (%s)", + frame->root->unique, state->loc.path, + op_ret, strerror (op_errno)); + } + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_MKDIR, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_mknod_cbk - mknod callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @stbuf: + * + * not for external reference + */ +int32_t +server_mknod_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + inode_t *inode, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_mknod_rsp_t *rsp = NULL; + server_state_t *state = NULL; + int32_t gf_errno = 0; + size_t hdrlen = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret >= 0) { + gf_stat_from_stat (&rsp->stat, stbuf); + inode_link (inode, state->loc.parent, state->loc.name, stbuf); + inode_lookup (inode); + } else { + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": MKNOD %s ==> %"PRId32" (%s)", + frame->root->unique, state->loc.path, + op_ret, strerror (op_errno)); + } + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_MKNOD, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_fsyncdir_cbk - fsyncdir callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * + * not for external reference + */ +int32_t +server_fsyncdir_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_fsyncdir_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + if (op_ret < 0) { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": FSYNCDIR %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_FSYNCDIR, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_getdents_cbk - readdir callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * @entries: + * @count: + * + * not for external reference + */ +int32_t +server_getdents_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + dir_entry_t *entries, + int32_t count) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_getdents_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t vec_count = 0; + int32_t gf_errno = 0; + int32_t ret = -1; + dict_t *reply_dict = NULL; + char *buffer = NULL; + size_t buflen = 0; + struct iovec vector[1]; + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + if (op_ret >= 0) { + buflen = gf_direntry_to_bin (entries, &buffer); + if (buflen < 0) { + gf_log (this->name, GF_LOG_ERROR, + "fd - %"PRId64" (%"PRId64"): failed to convert " + "entries list to string buffer", + state->fd_no, state->fd->inode->ino); + op_ret = -1; + op_errno = EINVAL; + goto out; + } + + reply_dict = dict_new (); + if (reply_dict == NULL) { + gf_log (this->name, GF_LOG_ERROR, + "fd - %"PRId64" (%"PRId64"): failed to get new dict", + state->fd_no, state->fd->inode->ino); + op_ret = -1; + op_errno = ENOMEM; + goto out; + } + + ret = dict_set_dynptr (reply_dict, NULL, + buffer, buflen); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, + "fd - %"PRId64" (%"PRId64"): failed to set read buffer " + "to reply dictionary", + state->fd_no, state->fd->inode->ino); + op_ret = -1; + op_errno = -ret; + goto out; + } + frame->root->rsp_refs = reply_dict; + vector[0].iov_base = buffer; + vector[0].iov_len = buflen; + vec_count = 1; + } else { + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": GETDENTS %"PRId64" (%"PRId64"): %"PRId32" (%s)", + frame->root->unique, + state->fd_no, + state->fd ? state->fd->inode->ino : 0, + op_ret, strerror (op_errno)); + vector[0].iov_base = NULL; + vector[0].iov_len = 0; + } + +out: + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + rsp->count = hton32 (count); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_GETDENTS, + hdr, hdrlen, vector, vec_count, + frame->root->rsp_refs); + + if (reply_dict) + dict_unref (reply_dict); + + return 0; +} + + +/* + * server_readdir_cbk - getdents callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * + * not for external reference + */ +int32_t +server_readdir_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + gf_dirent_t *entries) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_readdir_rsp_t *rsp = NULL; + size_t hdrlen = 0; + size_t buf_size = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + if (op_ret > 0) + buf_size = gf_dirent_serialize (entries, NULL, 0); + + hdrlen = gf_hdr_len (rsp, buf_size); + hdr = gf_hdr_new (rsp, buf_size); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret > 0) { + rsp->size = hton32 (buf_size); + gf_dirent_serialize (entries, rsp->buf, buf_size); + } else { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": READDIR %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_READDIR, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_releasedir_cbk - releasedir callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * + * not for external reference + */ +int32_t +server_releasedir_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_cbk_releasedir_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + protocol_server_reply (frame, GF_OP_TYPE_CBK_REPLY, GF_CBK_RELEASEDIR, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_opendir_cbk - opendir callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * @fd: file descriptor structure of opened directory + * + * not for external reference + */ +int32_t +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; + gf_hdr_common_t *hdr = NULL; + gf_fop_opendir_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + conn = SERVER_CONNECTION(frame); + + state = CALL_STATE(frame); + + if (op_ret >= 0) { + fd_bind (fd); + + state->fd_no = gf_fd_unused_get (conn->fdtable, fd); + } else { + gf_log (this->name, GF_LOG_DEBUG, + "%"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)); + + /* NOTE: corresponding to fd_create()'s ref */ + if (state->fd) + fd_unref (state->fd); + } + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + rsp->fd = hton64 (state->fd_no); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_OPENDIR, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_statfs_cbk - statfs callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * @buf: + * + * not for external reference + */ +int32_t +server_statfs_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct statvfs *buf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_statfs_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret >= 0) { + gf_statfs_from_statfs (&rsp->statfs, buf); + } + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_STATFS, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_removexattr_cbk - removexattr callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * + * not for external reference + */ +int32_t +server_removexattr_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_removexattr_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_REMOVEXATTR, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_getxattr_cbk - getxattr callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * @value: + * + * not for external reference + */ +int32_t +server_getxattr_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + dict_t *dict) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_getxattr_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t len = 0; + int32_t gf_errno = 0; + int32_t ret = -1; + + 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->ino); + op_ret = -1; + op_errno = EINVAL; + len = 0; + } + } + + hdrlen = gf_hdr_len (rsp, len + 1); + hdr = gf_hdr_new (rsp, len + 1); + rsp = gf_param (hdr); + + if (op_ret >= 0) { + ret = dict_serialize (dict, rsp->dict); + if (len < 0) { + gf_log (this->name, GF_LOG_ERROR, + "%s (%"PRId64"): failed to serialize reply dict", + state->loc.path, state->ino); + op_ret = -1; + op_errno = -ret; + } + } + rsp->dict_len = hton32 (len); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_GETXATTR, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_setxattr_cbk - setxattr callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * + * not for external reference + */ +int32_t +server_setxattr_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_setxattr_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_SETXATTR, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_rename_cbk - rename callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * + * not for external reference + */ +int32_t +server_rename_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_rename_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) { + stbuf->st_ino = state->loc.inode->ino; + stbuf->st_mode = state->loc.inode->st_mode; + + gf_log (state->bound_xl->name, GF_LOG_DEBUG, + "%"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_stat (&rsp->stat, stbuf); + } + + server_loc_wipe (&(state->loc)); + server_loc_wipe (&(state->loc2)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_RENAME, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_unlink_cbk - unlink callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * + * not for external reference + */ +int32_t +server_unlink_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_unlink_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + if (op_ret == 0) { + gf_log (state->bound_xl->name, GF_LOG_DEBUG, + "%"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); + } 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)); + } + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_UNLINK, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_symlink_cbk - symlink callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * + * not for external reference + */ +int32_t +server_symlink_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + inode_t *inode, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_symlink_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); + + if (op_ret >= 0) { + gf_stat_from_stat (&rsp->stat, stbuf); + inode_link (inode, state->loc.parent, state->loc.name, stbuf); + inode_lookup (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_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_SYMLINK, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_link_cbk - link callback for server protocol + * @frame: call frame + * @this: + * @op_ret: + * @op_errno: + * @stbuf: + * + * not for external reference + */ +int32_t +server_link_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + inode_t *inode, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_link_rsp_t *rsp = NULL; + server_state_t *state = NULL; + int32_t gf_errno = 0; + size_t hdrlen = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) { + stbuf->st_ino = state->loc.inode->ino; + gf_stat_from_stat (&rsp->stat, stbuf); + gf_log (state->bound_xl->name, GF_LOG_DEBUG, + "%"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); + + inode_link (inode, state->loc2.parent, + state->loc2.name, stbuf); + } else { + gf_log (state->bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": LINK (%"PRId64") %"PRId64"/%s ==> %"PRId64"/%s " + " ==> %"PRId32" (%s)", + frame->root->unique, inode->ino, state->loc2.parent->ino, + state->loc2.name, state->loc.parent->ino, state->loc.name, + op_ret, strerror (op_errno)); + } + + server_loc_wipe (&(state->loc)); + server_loc_wipe (&(state->loc2)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_LINK, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_truncate_cbk - truncate callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @stbuf: + * + * not for external reference + */ +int32_t +server_truncate_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_truncate_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) { + gf_stat_from_stat (&rsp->stat, stbuf); + } 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_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_TRUNCATE, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_fstat_cbk - fstat callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @stbuf: + * + * not for external reference + */ +int32_t +server_fstat_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_fstat_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) { + gf_stat_from_stat (&rsp->stat, stbuf); + } else { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": FSTAT %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_FSTAT, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_ftruncate_cbk - ftruncate callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @stbuf: + * + * not for external reference + */ +int32_t +server_ftruncate_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_ftruncate_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) { + gf_stat_from_stat (&rsp->stat, stbuf); + } else { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": FTRUNCATE %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_FTRUNCATE, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_flush_cbk - flush callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * + * not for external reference + */ +int32_t +server_flush_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_flush_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + if (op_ret < 0) { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": FLUSH %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_FLUSH, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_fsync_cbk - fsync callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * + * not for external reference + */ +int32_t +server_fsync_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_fsync_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + if (op_ret < 0) { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": FSYNC %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_FSYNC, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_release_cbk - rleease callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * + * not for external reference + */ +int32_t +server_release_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_cbk_release_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + protocol_server_reply (frame, GF_OP_TYPE_CBK_REPLY, GF_CBK_RELEASE, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_writev_cbk - writev callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * + * not for external reference + */ + +int32_t +server_writev_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_write_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); + + if (op_ret >= 0) { + gf_stat_from_stat (&rsp->stat, stbuf); + } else { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": WRITEV %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + protocol_server_reply (frame, + GF_OP_TYPE_FOP_REPLY, GF_FOP_WRITE, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_readv_cbk - readv callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @vector: + * @count: + * + * not for external reference + */ +int32_t +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 stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_read_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + server_state_t *state = NULL; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret >= 0) { + gf_stat_from_stat (&rsp->stat, stbuf); + } else { + state = CALL_STATE(frame); + + gf_log (this->name, GF_LOG_DEBUG, + "%"PRId64": READV %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", + frame->root->unique, state->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_READ, + hdr, hdrlen, vector, count, + frame->root->rsp_refs); + + return 0; +} + + +/* + * server_open_cbk - open callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @fd: + * + * not for external reference + */ +int32_t +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; + gf_hdr_common_t *hdr = NULL; + gf_fop_open_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + conn = SERVER_CONNECTION(frame); + + state = CALL_STATE(frame); + + if (op_ret >= 0) { + fd_bind (fd); + + state->fd_no = gf_fd_unused_get (conn->fdtable, 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)); + + /* NOTE: corresponding to fd_create()'s ref */ + if (state->fd) + fd_unref (state->fd); + } + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + rsp->fd = hton64 (state->fd_no); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_OPEN, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_create_cbk - create callback for server + * @frame: call frame + * @cookie: + * @this: translator structure + * @op_ret: + * @op_errno: + * @fd: file descriptor + * @inode: inode structure + * @stbuf: struct stat of created file + * + * not for external reference + */ +int32_t +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 stat *stbuf) +{ + server_connection_t *conn = NULL; + gf_hdr_common_t *hdr = NULL; + gf_fop_create_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + conn = SERVER_CONNECTION(frame); + + state = CALL_STATE(frame); + + if (op_ret >= 0) { + gf_log (state->bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": CREATE %"PRId64"/%s (%"PRId64")", + frame->root->unique, state->loc.parent->ino, + state->loc.name, stbuf->st_ino); + + inode_link (inode, state->loc.parent, state->loc.name, stbuf); + inode_lookup (inode); + + fd_bind (fd); + + state->fd_no = gf_fd_unused_get (conn->fdtable, fd); + + if ((state->fd_no < 0) || (fd == 0)) { + op_ret = state->fd_no; + op_errno = errno; + } + } 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)); + + /* NOTE: corresponding to fd_create()'s ref */ + if (state->fd) + fd_unref (state->fd); + + } + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + rsp->fd = hton64 (state->fd_no); + + if (op_ret >= 0) + gf_stat_from_stat (&rsp->stat, stbuf); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_CREATE, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_readlink_cbk - readlink callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @buf: + * + * not for external reference + */ +int32_t +server_readlink_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + const char *buf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_readlink_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + size_t linklen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + if (op_ret >= 0) { + linklen = strlen (buf) + 1; + } 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)); + } + + hdrlen = gf_hdr_len (rsp, linklen); + hdr = gf_hdr_new (rsp, linklen); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); + + if (op_ret >= 0) + strcpy (rsp->path, buf); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_READLINK, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_stat_cbk - stat callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @stbuf: + * + * not for external reference + */ +int32_t +server_stat_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_stat_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + state = CALL_STATE(frame); + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); + + if (op_ret == 0) { + gf_stat_from_stat (&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_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_STAT, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_forget_cbk - forget callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * + * not for external reference + */ +int32_t +server_forget_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + gf_hdr_common_t *hdr = NULL; + gf_cbk_forget_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + protocol_server_reply (frame, GF_OP_TYPE_CBK_REPLY, GF_CBK_FORGET, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * server_lookup_cbk - lookup callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: + * @op_errno: + * @inode: + * @stbuf: + * + * not for external reference + */ +int32_t +server_lookup_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + inode_t *inode, + struct stat *stbuf, + dict_t *dict) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_lookup_rsp_t *rsp = NULL; + server_state_t *state = NULL; + inode_t *root_inode = NULL; + int32_t dict_len = 0; + size_t hdrlen = 0; + int32_t gf_errno = 0; + int32_t ret = -1; + + state = CALL_STATE(frame); + if ((op_errno == ESTALE) && (op_ret == -1)) { + /* Send lookup again with new ctx dictionary */ + loc_t loc = {0,}; + + root_inode = BOUND_XL(frame)->itable->root; + if (state->loc.inode != root_inode) { + if (state->loc.inode) + inode_unref (state->loc.inode); + state->loc.inode = inode_new (BOUND_XL(frame)->itable); + } + loc.inode = state->loc.inode; + loc.path = state->path; + state->is_revalidate = 2; + STACK_WIND (frame, server_lookup_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->lookup, + &loc, + state->xattr_req); + return 0; + } + + if (dict) { + dict_len = dict_serialized_length (dict); + if (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; + dict_len = 0; + } + } + + hdrlen = gf_hdr_len (rsp, dict_len); + hdr = gf_hdr_new (rsp, dict_len); + rsp = gf_param (hdr); + + if ((op_ret >= 0) && dict) { + ret = dict_serialize (dict, rsp->dict); + 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; + dict_len = 0; + } + } + rsp->dict_len = hton32 (dict_len); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret == 0) { + root_inode = BOUND_XL(frame)->itable->root; + if (inode == root_inode) { + /* we just looked up root ("/") */ + stbuf->st_ino = 1; + if (inode->st_mode == 0) + inode->st_mode = stbuf->st_mode; + } + + gf_stat_from_stat (&rsp->stat, stbuf); + + if (inode->ino == 0) { + inode_link (inode, state->loc.parent, + state->loc.name, stbuf); + inode_lookup (inode); + } + } else { + gf_log (this->name, 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)); + } + + server_loc_wipe (&state->loc); + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_LOOKUP, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +int32_t +server_xattrop_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + dict_t *dict) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_xattrop_rsp_t *rsp = NULL; + server_state_t *state = NULL; + size_t hdrlen = 0; + int32_t len = 0; + int32_t gf_errno = 0; + int32_t ret = -1; + + 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)); + } + + 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; + } + } + + hdrlen = gf_hdr_len (rsp, len + 1); + hdr = gf_hdr_new (rsp, len + 1); + rsp = gf_param (hdr); + + if ((op_ret >= 0) && dict) { + ret = dict_serialize (dict, rsp->dict); + 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; + } + } + rsp->dict_len = hton32 (len); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + server_loc_wipe (&(state->loc)); + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_XATTROP, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +int32_t +server_fxattrop_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + dict_t *dict) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_xattrop_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t len = 0; + int32_t gf_errno = 0; + int32_t ret = -1; + server_state_t *state = 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->fd_no, + state->fd ? state->fd->inode->ino : 0, op_ret, + strerror (op_errno)); + } + + 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->fd_no, state->fd->inode->ino); + op_ret = -1; + op_errno = EINVAL; + len = 0; + } + } + + hdrlen = gf_hdr_len (rsp, len + 1); + hdr = gf_hdr_new (rsp, len + 1); + rsp = gf_param (hdr); + + if ((op_ret >= 0) && dict) { + ret = dict_serialize (dict, rsp->dict); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, + "fd - %"PRId64" (%"PRId64"): failed to " + "serialize reply dict", + state->fd_no, state->fd->inode->ino); + op_ret = -1; + op_errno = -ret; + len = 0; + } + } + rsp->dict_len = hton32 (len); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_FXATTROP, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * server_stub_resume - this is callback function used whenever an fop does + * STACK_WIND to fops->lookup in order to lookup the inode + * for a pathname. this case of doing fops->lookup arises + * when fop searches in inode table for pathname and search + * fails. + * + * @stub: call stub + * @op_ret: + * @op_errno: + * @inode: + * @parent: + * + * not for external reference + */ +int32_t +server_stub_resume (call_stub_t *stub, + int32_t op_ret, + int32_t op_errno, + inode_t *inode, + inode_t *parent) +{ + inode_t *server_inode = inode; + + if (!stub) { + return 0; + } + switch (stub->fop) + { + case GF_FOP_RENAME: + if (stub->args.rename.old.inode == NULL) { + loc_t *newloc = NULL; + /* now we are called by lookup of oldpath. */ + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": RENAME (%s -> %s) on %s " + "returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.rename.old.path, + stub->args.rename.new.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + /* lookup of oldpath failed, UNWIND to + * server_rename_cbk with ret=-1 and + * errno=ENOENT + */ + server_rename_cbk (stub->frame, + NULL, + stub->frame->this, + -1, + ENOENT, + NULL); + server_loc_wipe (&stub->args.rename.old); + server_loc_wipe (&stub->args.rename.new); + FREE (stub); + return 0; + } + + if (stub->args.rename.old.parent == NULL) + stub->args.rename.old.parent = + inode_ref (parent); + + /* store inode information of oldpath in our stub + * and search for newpath in inode table. + */ + if (server_inode) { + stub->args.rename.old.inode = + inode_ref (server_inode); + + stub->args.rename.old.ino = + server_inode->ino; + } + + /* now lookup for newpath */ + newloc = &stub->args.rename.new; + + if (newloc->parent == NULL) { + /* lookup for newpath */ + do_path_lookup (stub, newloc); + break; + } else { + /* found newpath in inode cache */ + call_resume (stub); + break; + } + } else { + /* we are called by the lookup of newpath */ + if (stub->args.rename.new.parent == NULL) + stub->args.rename.new.parent = + inode_ref (parent); + } + + /* after looking up for oldpath as well as newpath, + * we are ready to resume */ + { + call_resume (stub); + } + break; + + case GF_FOP_OPEN: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": OPEN (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.open.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_open_cbk (stub->frame, + NULL, + stub->frame->this, + -1, + ENOENT, + NULL); + FREE (stub->args.open.loc.path); + FREE (stub); + return 0; + } + if (stub->args.open.loc.parent == NULL) + stub->args.open.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.open.loc.inode == NULL)) { + stub->args.open.loc.inode = inode_ref (server_inode); + stub->args.open.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_LOOKUP: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, + GF_LOG_DEBUG, + "%"PRId64": LOOKUP (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.lookup.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_lookup_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL, NULL, + NULL); + server_loc_wipe (&stub->args.lookup.loc); + FREE (stub); + return 0; + } + + if (stub->args.lookup.loc.parent == NULL) + stub->args.lookup.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.lookup.loc.inode == NULL)) { + stub->args.lookup.loc.inode = inode_ref (server_inode); + stub->args.lookup.loc.ino = server_inode->ino; + } + + call_resume (stub); + + break; + } + + case GF_FOP_STAT: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": STAT (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.stat.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + server_stat_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL); + server_loc_wipe (&stub->args.stat.loc); + FREE (stub); + return 0; + } + + /* TODO:reply from here only, we already have stat structure */ + if (stub->args.stat.loc.parent == NULL) + stub->args.stat.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.stat.loc.inode == NULL)) { + stub->args.stat.loc.inode = inode_ref (server_inode); + stub->args.stat.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_XATTROP: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": XATTROP (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.xattrop.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + server_xattrop_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL); + server_loc_wipe (&stub->args.xattrop.loc); + FREE (stub); + return 0; + } + + if (stub->args.xattrop.loc.parent == NULL) + stub->args.xattrop.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.xattrop.loc.inode == NULL)) { + stub->args.xattrop.loc.inode = + inode_ref (server_inode); + + stub->args.xattrop.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_UNLINK: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": UNLINK (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.unlink.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + server_unlink_cbk (stub->frame, NULL, + stub->frame->this, + -1, ENOENT); + server_loc_wipe (&stub->args.unlink.loc); + FREE (stub); + return 0; + } + + if (stub->args.unlink.loc.parent == NULL) + stub->args.unlink.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.unlink.loc.inode == NULL)) { + stub->args.unlink.loc.inode = inode_ref (server_inode); + stub->args.unlink.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_SYMLINK: + { + if ((op_ret < 0) && (parent == NULL)) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": SYMLINK (%s -> %s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.symlink.loc.path, + stub->args.symlink.linkname, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + server_symlink_cbk (stub->frame, NULL, + stub->frame->this, + -1, ENOENT, + NULL, NULL); + server_loc_wipe (&stub->args.symlink.loc); + FREE (stub); + return 0; + } + + if (stub->args.symlink.loc.parent == NULL) + stub->args.symlink.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.symlink.loc.inode == NULL)) { + stub->args.symlink.loc.inode = + inode_ref (server_inode); + stub->args.symlink.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_RMDIR: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": RMDIR (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.rmdir.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + server_rmdir_cbk (stub->frame, + NULL, + stub->frame->this, + -1, + ENOENT); + server_loc_wipe (&stub->args.rmdir.loc); + FREE (stub); + return 0; + } + + if (stub->args.rmdir.loc.parent == NULL) + stub->args.rmdir.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.rmdir.loc.inode == NULL)) { + stub->args.rmdir.loc.inode = inode_ref (server_inode); + stub->args.rmdir.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_CHMOD: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": CHMOD (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.chmod.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + server_chmod_cbk (stub->frame, + NULL, + stub->frame->this, + -1, + ENOENT, + NULL); + server_loc_wipe (&stub->args.chmod.loc); + FREE (stub); + return 0; + } + + if (stub->args.chmod.loc.parent == NULL) + stub->args.chmod.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.chmod.loc.inode == NULL)) { + stub->args.chmod.loc.inode = inode_ref (server_inode); + stub->args.chmod.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_CHOWN: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": CHOWN (%s) on %s returning ENOENT: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.chown.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + server_chown_cbk (stub->frame, + NULL, + stub->frame->this, + -1, + ENOENT, + NULL); + server_loc_wipe (&stub->args.chown.loc); + FREE (stub); + return 0; + } + + if (stub->args.chown.loc.parent == NULL) + stub->args.chown.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.chown.loc.inode == NULL)) { + stub->args.chown.loc.inode = inode_ref (server_inode); + stub->args.chown.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_LINK: + { + if (stub->args.link.oldloc.inode == NULL) { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": LINK (%s -> %s) on %s returning " + "error for oldloc: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.link.oldloc.path, + stub->args.link.newloc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_link_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL, NULL); + server_loc_wipe (&stub->args.link.oldloc); + server_loc_wipe (&stub->args.link.newloc); + FREE (stub); + return 0; + } + + if (stub->args.link.oldloc.parent == NULL) + stub->args.link.oldloc.parent = + inode_ref (parent); + + if (server_inode && + (stub->args.link.oldloc.inode == NULL)) { + stub->args.link.oldloc.inode = + inode_ref (server_inode); + stub->args.link.oldloc.ino = server_inode->ino; + } + + if (stub->args.link.newloc.parent == NULL) { + do_path_lookup (stub, + &(stub->args.link.newloc)); + break; + } + } else { + /* we are called by the lookup of newpath */ + if ((op_ret < 0) && (parent == NULL)) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": LINK (%s -> %s) on %s returning " + "error for newloc: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.link.oldloc.path, + stub->args.link.newloc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_link_cbk (stub->frame, NULL, + stub->frame->this, + -1, ENOENT, + NULL, NULL); + + server_loc_wipe (&stub->args.link.oldloc); + server_loc_wipe (&stub->args.link.newloc); + FREE (stub); + break; + } + + if (stub->args.link.newloc.parent == NULL) { + stub->args.link.newloc.parent = + inode_ref (parent); + } + + if (server_inode && + (stub->args.link.newloc.inode == NULL)) { + /* as new.inode doesn't get forget, it + * needs to be unref'd here */ + stub->args.link.newloc.inode = + inode_ref (server_inode); + stub->args.link.newloc.ino = server_inode->ino; + } + } + call_resume (stub); + break; + } + + case GF_FOP_TRUNCATE: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": TRUNCATE (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.truncate.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_truncate_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL); + server_loc_wipe (&stub->args.truncate.loc); + FREE (stub); + return 0; + } + + if (stub->args.truncate.loc.parent == NULL) + stub->args.truncate.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.truncate.loc.inode == NULL)) { + stub->args.truncate.loc.inode = + inode_ref (server_inode); + stub->args.truncate.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_STATFS: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": STATFS (%s) on %s returning ENOENT: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.statfs.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_statfs_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL); + server_loc_wipe (&stub->args.statfs.loc); + FREE (stub); + return 0; + } + + if (stub->args.statfs.loc.parent == NULL) + stub->args.statfs.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.statfs.loc.inode == NULL)) { + stub->args.statfs.loc.inode = inode_ref (server_inode); + stub->args.statfs.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_SETXATTR: + { + dict_t *dict = stub->args.setxattr.dict; + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": SETXATTR (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.setxattr.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_setxattr_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT); + + server_loc_wipe (&stub->args.setxattr.loc); + dict_unref (dict); + FREE (stub); + return 0; + } + + if (stub->args.setxattr.loc.parent == NULL) + stub->args.setxattr.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.setxattr.loc.inode == NULL)) { + stub->args.setxattr.loc.inode = + inode_ref (server_inode); + stub->args.setxattr.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_GETXATTR: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": GETXATTR (%s) on %s for key %s " + "returning error: %"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.getxattr.loc.path, + BOUND_XL(stub->frame)->name, + stub->args.getxattr.name ? + stub->args.getxattr.name : "<nul>", + op_ret, op_errno); + + server_getxattr_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL); + server_loc_wipe (&stub->args.getxattr.loc); + FREE (stub); + return 0; + } + + if (stub->args.getxattr.loc.parent == NULL) + stub->args.getxattr.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.getxattr.loc.inode == NULL)) { + stub->args.getxattr.loc.inode = + inode_ref (server_inode); + stub->args.getxattr.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_REMOVEXATTR: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": REMOVEXATTR (%s) on %s for key %s " + "returning error: %"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.removexattr.loc.path, + BOUND_XL(stub->frame)->name, + stub->args.removexattr.name, + op_ret, op_errno); + + server_removexattr_cbk (stub->frame, + NULL, + stub->frame->this, + -1, + ENOENT); + server_loc_wipe (&stub->args.removexattr.loc); + FREE (stub); + return 0; + } + + if (stub->args.removexattr.loc.parent == NULL) + stub->args.removexattr.loc.parent = inode_ref (parent); + + if (server_inode && + (stub->args.removexattr.loc.inode == NULL)) { + stub->args.removexattr.loc.inode = + inode_ref (server_inode); + stub->args.removexattr.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_OPENDIR: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": OPENDIR (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.opendir.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_opendir_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL); + server_loc_wipe (&stub->args.opendir.loc); + FREE (stub); + return 0; + } + + if (stub->args.opendir.loc.parent == NULL) + stub->args.opendir.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.opendir.loc.inode == NULL)) { + stub->args.opendir.loc.inode = + inode_ref (server_inode); + stub->args.opendir.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_ACCESS: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": ACCESS (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.access.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_access_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT); + server_loc_wipe (&stub->args.access.loc); + FREE (stub); + return 0; + } + + if (stub->args.access.loc.parent == NULL) + stub->args.access.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.access.loc.inode == NULL)) { + stub->args.access.loc.inode = inode_ref (server_inode); + stub->args.access.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + + case GF_FOP_UTIMENS: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": UTIMENS (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.utimens.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_utimens_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL); + server_loc_wipe (&stub->args.utimens.loc); + FREE (stub); + return 0; + } + + if (stub->args.utimens.loc.parent == NULL) + stub->args.utimens.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.utimens.loc.inode == NULL)) { + stub->args.utimens.loc.inode = + inode_ref (server_inode); + stub->args.utimens.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + + case GF_FOP_READLINK: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": READLINK (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.readlink.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_readlink_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL); + server_loc_wipe (&stub->args.readlink.loc); + FREE (stub); + return 0; + } + + if (stub->args.readlink.loc.parent == NULL) + stub->args.readlink.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.readlink.loc.inode == NULL)) { + stub->args.readlink.loc.inode = + inode_ref (server_inode); + stub->args.readlink.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + case GF_FOP_MKDIR: + { + if ((op_ret < 0) && (parent == NULL)) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": MKDIR (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.mkdir.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_mkdir_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL, NULL); + server_loc_wipe (&stub->args.mkdir.loc); + FREE (stub); + break; + } + + if (stub->args.mkdir.loc.parent == NULL) + stub->args.mkdir.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.mkdir.loc.inode == NULL)) { + stub->args.mkdir.loc.inode = inode_ref (server_inode); + stub->args.mkdir.loc.ino = server_inode->ino; + } + + call_resume (stub); + break; + } + + case GF_FOP_CREATE: + { + if ((op_ret < 0) && (parent == NULL)) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": CREATE (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.create.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_create_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL, NULL, + NULL); + if (stub->args.create.fd) + fd_unref (stub->args.create.fd); + server_loc_wipe (&stub->args.create.loc); + FREE (stub); + break; + } + + if (stub->args.create.loc.parent == NULL) + stub->args.create.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.create.loc.inode == NULL)) { + stub->args.create.loc.inode = inode_ref (server_inode); + stub->args.create.loc.ino = server_inode->ino; + } + + call_resume (stub); + break; + } + + case GF_FOP_MKNOD: + { + if ((op_ret < 0) && (parent == NULL)) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": MKNOD (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.mknod.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_mknod_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT, + NULL, NULL); + server_loc_wipe (&stub->args.mknod.loc); + FREE (stub); + break; + } + + if (stub->args.mknod.loc.parent == NULL) + stub->args.mknod.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.mknod.loc.inode == NULL)) { + stub->args.mknod.loc.inode = inode_ref (server_inode); + stub->args.mknod.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + case GF_FOP_ENTRYLK: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": ENTRYLK (%s) on %s for key %s returning " + "error: %"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.entrylk.loc.path, + BOUND_XL(stub->frame)->name, + stub->args.entrylk.name ? + stub->args.entrylk.name : "<nul>", + op_ret, op_errno); + + server_entrylk_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT); + server_loc_wipe (&stub->args.entrylk.loc); + FREE (stub); + break; + } + + if (stub->args.entrylk.loc.parent == NULL) + stub->args.entrylk.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.entrylk.loc.inode == NULL)) { + stub->args.entrylk.loc.inode = inode_ref (server_inode); + stub->args.entrylk.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + case GF_FOP_INODELK: + { + if (op_ret < 0) { + gf_log (stub->frame->this->name, GF_LOG_ERROR, + "%"PRId64": INODELK (%s) on %s returning error: " + "%"PRId32" (%"PRId32")", + stub->frame->root->unique, + stub->args.inodelk.loc.path, + BOUND_XL(stub->frame)->name, + op_ret, op_errno); + + server_inodelk_cbk (stub->frame, + NULL, + stub->frame->this, + -1, ENOENT); + server_loc_wipe (&stub->args.inodelk.loc); + FREE (stub); + break; + } + + if (stub->args.inodelk.loc.parent == NULL) + stub->args.inodelk.loc.parent = inode_ref (parent); + + if (server_inode && (stub->args.inodelk.loc.inode == NULL)) { + stub->args.inodelk.loc.inode = + inode_ref (server_inode); + stub->args.inodelk.loc.ino = server_inode->ino; + } + call_resume (stub); + break; + } + default: + call_resume (stub); + } + + return 0; +} + +static int +server_lookup_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + dict_t *xattr_req) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + if ((state->loc.parent == NULL) && + (loc->parent)) + state->loc.parent = inode_ref (loc->parent); + + if (state->loc.inode == NULL) { + if (loc->inode == NULL) + state->loc.inode = inode_new (state->itable); + else + /* FIXME: why another lookup? */ + state->loc.inode = inode_ref (loc->inode); + } else { + if (loc->inode && (state->loc.inode != loc->inode)) { + if (state->loc.inode) + inode_unref (state->loc.inode); + state->loc.inode = inode_ref (loc->inode); + } + } + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": LOOKUP \'%"PRId64"/%s\'", + frame->root->unique, state->par, state->bname); + + STACK_WIND (frame, + server_lookup_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->lookup, + &(state->loc), + xattr_req); + return 0; +} + +/* + * server_lookup - lookup function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int +server_lookup (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_lookup_req_t *req = NULL; + server_state_t *state = NULL; + call_stub_t *lookup_stub = NULL; + int32_t ret = -1; + size_t pathlen = 0, baselen = 0; + size_t dictlen = 0; + dict_t *xattr_req = NULL; + char *req_dictbuf = NULL; + + req = gf_param (hdr); + + state = CALL_STATE(frame); + { + + pathlen = STRLEN_0 (req->path); + dictlen = ntoh32 (req->dictlen); + + /* NOTE: lookup() uses req->ino only to identify if a lookup() + * is requested for 'root' or not + */ + state->ino = ntoh64 (req->ino); + if (state->ino != 1) + state->ino = 0; + + state->par = ntoh64 (req->par); + state->path = req->path; + if (IS_NOT_ROOT(pathlen)) { + state->bname = req->bname + pathlen; + baselen = STRLEN_0 (state->bname); + } + + if (dictlen) { + /* Unserialize the dictionary */ + req_dictbuf = memdup (req->dict + pathlen + baselen, dictlen); + GF_VALIDATE_OR_GOTO(bound_xl->name, req_dictbuf, fail); + + xattr_req = dict_new (); + GF_VALIDATE_OR_GOTO(bound_xl->name, xattr_req, fail); + + ret = dict_unserialize (req_dictbuf, dictlen, &xattr_req); + if (ret < 0) { + gf_log (bound_xl->name, GF_LOG_ERROR, + "%"PRId64": %s (%"PRId64"): failed to " + "unserialize request buffer to dictionary", + frame->root->unique, state->loc.path, + state->ino); + free (req_dictbuf); + goto fail; + } else{ + xattr_req->extra_free = req_dictbuf; + state->xattr_req = xattr_req; + xattr_req = NULL; + } + } + } + + ret = server_loc_fill (&state->loc, state, + state->ino, state->par, state->bname, + state->path); + + if (state->loc.inode) { + /* revalidate */ + state->is_revalidate = 1; + } else { + /* fresh lookup or inode was previously pruned out */ + state->is_revalidate = -1; + } + + lookup_stub = fop_lookup_stub (frame, server_lookup_resume, + &(state->loc), state->xattr_req); + GF_VALIDATE_OR_GOTO(bound_xl->name, lookup_stub, fail); + + if ((state->loc.parent == NULL) && + IS_NOT_ROOT(pathlen)) + do_path_lookup (lookup_stub, &(state->loc)); + else + call_resume (lookup_stub); + + return 0; +fail: + server_lookup_cbk (frame, NULL, frame->this, + -1,EINVAL, + NULL, NULL, NULL); + if (xattr_req) + dict_unref (xattr_req); + + return 0; +} + + +/* + * server_forget - forget function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_forget (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + int index = 0; + ino_t ino = 0; + int32_t count = 0; + inode_t *inode = NULL; + gf_cbk_forget_req_t *req = NULL; + + req = gf_param (hdr); + count = ntoh32 (req->count); + + for (index = 0; index < count; index++) { + + ino = ntoh64 (req->ino_array[index]); + + if (!ino) + continue; + + inode = inode_search (bound_xl->itable, ino, NULL); + + if (inode) { + inode_forget (inode, 0); + inode_unref (inode); + } else { + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": FORGET %"PRId64" not found " + "in inode table", + frame->root->unique, ino); + } + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": FORGET \'%"PRId64"\'", + frame->root->unique, ino); + } + + server_forget_cbk (frame, NULL, bound_xl, 0, 0); + + return 0; +} + + + +int32_t +server_stat_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": STAT \'%s (%"PRId64")\'", + frame->root->unique, state->loc.path, state->loc.ino); + + STACK_WIND (frame, + server_stat_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->stat, + loc); + return 0; +} + +/* + * server_stat - stat function for server + * @frame: call frame + * @bound_xl: translator this server is bound to + * @params: parameters dictionary + * + * not for external reference + */ +int32_t +server_stat (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *stat_stub = NULL; + gf_fop_stat_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + + state->ino = ntoh64 (req->ino); + state->path = req->path; + pathlen = STRLEN_0(state->path); + + ret = server_loc_fill (&(state->loc), state, + state->ino, state->par, state->bname, + state->path); + + stat_stub = fop_stat_stub (frame, + server_stat_resume, + &(state->loc)); + GF_VALIDATE_OR_GOTO(bound_xl->name, stat_stub, fail); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (stat_stub, &(state->loc)); + } else { + call_resume (stat_stub); + } + return 0; +fail: + server_stat_cbk (frame, NULL, frame->this, + -1, EINVAL, + NULL); + return 0; +} + + +int32_t +server_readlink_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + size_t size) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": READLINK \'%s (%"PRId64")\'", + frame->root->unique, state->loc.path, state->loc.ino); + + STACK_WIND (frame, + server_readlink_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->readlink, + loc, + size); + return 0; +} + +/* + * server_readlink - readlink function for server + * @frame: call frame + * @bound_xl: translator this server is bound to + * @params: parameters dictionary + * + * not for external reference + */ +int32_t +server_readlink (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *readlink_stub = NULL; + gf_fop_readlink_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + + req = gf_param (hdr); + state = CALL_STATE(frame); + + state->size = ntoh32 (req->size); + + state->ino = ntoh64 (req->ino); + state->path = req->path; + + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + readlink_stub = fop_readlink_stub (frame, + server_readlink_resume, + &(state->loc), + state->size); + GF_VALIDATE_OR_GOTO(bound_xl->name, readlink_stub, fail); + + if ((state->loc.parent == NULL) || + (state->loc.inode == NULL)) { + do_path_lookup (readlink_stub, &(state->loc)); + } else { + call_resume (readlink_stub); + } + return 0; +fail: + server_readlink_cbk (frame, NULL,frame->this, + -1, EINVAL, + NULL); + return 0; +} + +int32_t +server_create_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + int32_t flags, + mode_t mode, + fd_t *fd) +{ + server_state_t *state = CALL_STATE(frame); + + if (state->loc.parent == NULL) + state->loc.parent = inode_ref (loc->parent); + + state->loc.inode = inode_new (state->itable); + GF_VALIDATE_OR_GOTO(BOUND_XL(frame)->name, state->loc.inode, fail); + + state->fd = fd_create (state->loc.inode, frame->root->pid); + GF_VALIDATE_OR_GOTO(BOUND_XL(frame)->name, state->fd, fail); + + state->fd->flags = flags; + state->fd = fd_ref (state->fd); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": CREATE \'%"PRId64"/%s\'", + frame->root->unique, state->par, state->bname); + + STACK_WIND (frame, + server_create_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->create, + &(state->loc), + flags, + mode, + state->fd); + + return 0; +fail: + server_create_cbk (frame, NULL, frame->this, + -1, EINVAL, + NULL, NULL, NULL); + return 0; +} + + +/* + * server_create - create function for server + * @frame: call frame + * @bound_xl: translator this server is bound to + * @params: parameters dictionary + * + * not for external reference + */ +int32_t +server_create (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_create_req_t *req = NULL; + server_state_t *state = NULL; + call_stub_t *create_stub = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + pathlen = STRLEN_0(req->path); + + state->par = ntoh64 (req->par); + state->path = req->path; + if (IS_NOT_ROOT(pathlen)) + state->bname = req->bname + pathlen; + + state->mode = ntoh32 (req->mode); + state->flags = ntoh32 (req->flags); + } + + ret = server_loc_fill (&(state->loc), state, + 0, state->par, state->bname, + state->path); + + create_stub = fop_create_stub (frame, server_create_resume, + &(state->loc), state->flags, + state->mode, state->fd); + GF_VALIDATE_OR_GOTO(bound_xl->name, create_stub, fail); + + if (state->loc.parent == NULL) { + do_path_lookup (create_stub, &state->loc); + } else { + call_resume (create_stub); + } + return 0; +fail: + server_create_cbk (frame, NULL, frame->this, + -1, EINVAL, + NULL, NULL, NULL); + return 0; +} + + +int32_t +server_open_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + int32_t flags, + fd_t *fd) +{ + server_state_t *state = CALL_STATE(frame); + fd_t *new_fd = NULL; + + new_fd = fd_create (loc->inode, frame->root->pid); + GF_VALIDATE_OR_GOTO(BOUND_XL(frame)->name, new_fd, fail); + + new_fd->flags = flags; + + state->fd = fd_ref (new_fd); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": OPEN \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_open_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->open, + loc, + flags, + state->fd); + + return 0; +fail: + server_open_cbk (frame, NULL, frame->this, + -1, EINVAL, + NULL); + return 0; +} + +/* + * server_open - open function for server protocol + * @frame: call frame + * @bound_xl: translator this server protocol is bound to + * @params: parameters dictionary + * + * not for external reference + */ +int32_t +server_open (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *open_stub = NULL; + gf_fop_open_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->ino = ntoh64 (req->ino); + state->path = req->path; + pathlen = STRLEN_0(state->path); + state->flags = ntoh32 (req->flags); + } + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + open_stub = fop_open_stub (frame, + server_open_resume, + &(state->loc), state->flags, NULL); + GF_VALIDATE_OR_GOTO(bound_xl->name, open_stub, fail); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (open_stub, &state->loc); + } else { + call_resume (open_stub); + } + return 0; +fail: + server_open_cbk (frame, NULL, frame->this, + -1, EINVAL, + NULL); + return 0; +} + + +/* + * server_readv - readv function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_readv (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_read_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->size = ntoh32 (req->size); + state->offset = ntoh64 (req->offset); + } + + GF_VALIDATE_OR_GOTO(bound_xl->name, state->fd, fail); + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": READV \'fd=%"PRId64" (%"PRId64"); " + "offset=%"PRId64"; size=%"PRId64, + frame->root->unique, state->fd_no, state->fd->inode->ino, + state->offset, (int64_t)state->size); + + STACK_WIND (frame, + server_readv_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->readv, + state->fd, state->size, state->offset); + return 0; +fail: + server_readv_cbk (frame, NULL, frame->this, + -1, EINVAL, NULL, 0, NULL); + return 0; +} + + +/* + * server_writev - writev function for server + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_writev (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + server_connection_t *conn = NULL; + gf_fop_write_req_t *req = NULL; + struct iovec iov = {0, }; + dict_t *refs = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->offset = ntoh64 (req->offset); + } + + GF_VALIDATE_OR_GOTO(bound_xl->name, state->fd, fail); + + iov.iov_base = buf; + iov.iov_len = buflen; + + refs = dict_new (); + GF_VALIDATE_OR_GOTO(bound_xl->name, refs, fail); + + ret = dict_set_dynptr (refs, NULL, buf, buflen); + if (ret < 0) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64" (%"PRId64"): failed to set buffer entry " + "to req_refs", + state->fd_no, state->fd->inode->ino); + goto fail; + } else { + buf = NULL; + } + + frame->root->req_refs = refs; + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": WRITEV \'fd=%"PRId64" (%"PRId64"); " + "offset=%"PRId64"; size=%"PRId64, + frame->root->unique, state->fd_no, state->fd->inode->ino, + state->offset, (int64_t)buflen); + + STACK_WIND (frame, + server_writev_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->writev, + state->fd, &iov, 1, state->offset); + + if (refs) + dict_unref (refs); + return 0; +fail: + server_writev_cbk (frame, NULL, frame->this, + -1, EINVAL, NULL); + + if (buf) + free (buf); + + if (refs) + dict_unref (refs); + + return 0; +} + + + +/* + * server_release - release function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_release (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_cbk_release_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + + state->fd_no = ntoh64 (req->fd); + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + GF_VALIDATE_OR_GOTO(bound_xl->name, state->fd, fail); + + gf_fd_put (conn->fdtable, + state->fd_no); + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": RELEASE \'fd=%"PRId64" (%"PRId64")\'", + frame->root->unique, state->fd_no, state->fd->inode->ino); + + STACK_WIND (frame, + server_release_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->flush, + state->fd); + return 0; +fail: + server_release_cbk (frame, NULL, frame->this, + -1, EINVAL); + return 0; +} + + +/* + * server_fsync - fsync function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameters dictionary + * + * not for external reference + */ +int32_t +server_fsync (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_fsync_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->flags = ntoh32 (req->data); + } + + GF_VALIDATE_OR_GOTO(bound_xl->name, state->fd, fail); + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": FSYNC \'fd=%"PRId64" (%"PRId64")\'", + frame->root->unique, state->fd_no, state->fd->inode->ino); + + STACK_WIND (frame, + server_fsync_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->fsync, + state->fd, state->flags); + return 0; +fail: + server_fsync_cbk (frame, NULL, frame->this, + -1, EINVAL); + + return 0; +} + + +/* + * server_flush - flush function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_flush (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_flush_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + } + + GF_VALIDATE_OR_GOTO(bound_xl->name, state->fd, fail); + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": FLUSH \'fd=%"PRId64" (%"PRId64")\'", + frame->root->unique, state->fd_no, state->fd->inode->ino); + + STACK_WIND (frame, + server_flush_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->flush, + state->fd); + return 0; + +fail: + server_flush_cbk (frame, NULL, frame->this, + -1, EINVAL); + + return 0; +} + + +/* + * server_ftruncate - ftruncate function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameters dictionary + * + * not for external reference + */ +int32_t +server_ftruncate (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_ftruncate_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->offset = ntoh64 (req->offset); + } + + GF_VALIDATE_OR_GOTO(bound_xl->name, state->fd, fail); + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": FTRUNCATE \'fd=%"PRId64" (%"PRId64"); " + "offset=%"PRId64"\'", + frame->root->unique, state->fd_no, state->fd->inode->ino, + state->offset); + + STACK_WIND (frame, + server_ftruncate_cbk, + bound_xl, + bound_xl->fops->ftruncate, + state->fd, + state->offset); + return 0; +fail: + server_ftruncate_cbk (frame, NULL, frame->this, + -1, EINVAL, NULL); + + return 0; +} + + +/* + * server_fstat - fstat function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_fstat (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_fstat_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + } + + + if (state->fd == NULL) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64": unresolved fd", + state->fd_no); + + server_fstat_cbk (frame, NULL, frame->this, + -1, EINVAL, NULL); + + goto out; + } + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": FSTAT \'fd=%"PRId64" (%"PRId64")\'", + frame->root->unique, state->fd_no, state->fd->inode->ino); + + STACK_WIND (frame, + server_fstat_cbk, + bound_xl, + bound_xl->fops->fstat, + state->fd); +out: + return 0; +} + + +int32_t +server_truncate_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + off_t offset) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": TRUNCATE \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_truncate_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->truncate, + loc, + offset); + return 0; +} + + +/* + * server_truncate - truncate function for server protocol + * @frame: call frame + * @bound_xl: + * @params: + * + * not for external reference + */ +int32_t +server_truncate (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *truncate_stub = NULL; + gf_fop_truncate_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + pathlen = STRLEN_0(req->path); + state->offset = ntoh64 (req->offset); + + state->path = req->path; + state->ino = ntoh64 (req->ino); + } + + + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + truncate_stub = fop_truncate_stub (frame, + server_truncate_resume, + &(state->loc), + state->offset); + if ((state->loc.parent == NULL) || + (state->loc.inode == NULL)) { + do_path_lookup (truncate_stub, &(state->loc)); + } else { + call_resume (truncate_stub); + } + + return 0; +} + + + + + +int32_t +server_unlink_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + if (state->loc.parent == NULL) + state->loc.parent = inode_ref (loc->parent); + + if (state->loc.inode == NULL) + state->loc.inode = inode_ref (loc->inode); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": UNLINK \'%"PRId64"/%s (%"PRId64")\'", + frame->root->unique, state->par, state->path, + state->loc.inode->ino); + + STACK_WIND (frame, + server_unlink_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->unlink, + loc); + return 0; +} + +/* + * server_unlink - unlink function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_unlink (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *unlink_stub = NULL; + gf_fop_unlink_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + + pathlen = STRLEN_0(req->path); + + state->par = ntoh64 (req->par); + state->path = req->path; + if (IS_NOT_ROOT(pathlen)) + state->bname = req->bname + pathlen; + + ret = server_loc_fill (&(state->loc), state, + 0, state->par, state->bname, + state->path); + + unlink_stub = fop_unlink_stub (frame, + server_unlink_resume, + &(state->loc)); + + if ((state->loc.parent == NULL) || + (state->loc.inode == NULL)) { + do_path_lookup (unlink_stub, &state->loc); + } else { + call_resume (unlink_stub); + } + + return 0; +} + + + + + +int32_t +server_setxattr_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + dict_t *dict, + int32_t flags) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": SETXATTR \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_setxattr_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->setxattr, + loc, + dict, + flags); + return 0; +} + +/* + * server_setxattr - setxattr function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ + +int32_t +server_setxattr (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *setxattr_stub = NULL; + gf_fop_setxattr_req_t *req = NULL; + dict_t *dict = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + size_t dict_len = 0; + char *req_dictbuf = NULL; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + dict_len = ntoh32 (req->dict_len); + + state->path = req->path + dict_len; + + pathlen = STRLEN_0(state->path); + state->ino = ntoh64 (req->ino); + + state->flags = ntoh32 (req->flags); + } + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + { + /* Unserialize the dictionary */ + req_dictbuf = memdup (req->dict, dict_len); + GF_VALIDATE_OR_GOTO(bound_xl->name, req_dictbuf, fail); + + dict = dict_new (); + GF_VALIDATE_OR_GOTO(bound_xl->name, dict, fail); + + ret = dict_unserialize (req_dictbuf, dict_len, &dict); + if (ret < 0) { + gf_log (bound_xl->name, GF_LOG_ERROR, + "%"PRId64": %s (%"PRId64"): failed to " + "unserialize request buffer to dictionary", + frame->root->unique, state->loc.path, + state->ino); + free (req_dictbuf); + goto fail; + } else{ + dict->extra_free = req_dictbuf; + } + } + + setxattr_stub = fop_setxattr_stub (frame, + server_setxattr_resume, + &(state->loc), + dict, + state->flags); + GF_VALIDATE_OR_GOTO(bound_xl->name, setxattr_stub, fail); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (setxattr_stub, &(state->loc)); + } else { + call_resume (setxattr_stub); + } + + if (dict) + dict_unref (dict); + + return 0; +fail: + if (dict) + dict_unref (dict); + + server_setxattr_cbk (frame, NULL, frame->this, + -1, ENOENT); + return 0; + +} + + + +int32_t +server_fxattrop (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + server_connection_t *conn = NULL; + gf_fop_fxattrop_req_t *req = NULL; + dict_t *dict = NULL; + server_state_t *state = NULL; + size_t dict_len = 0; + char *req_dictbuf = NULL; + int32_t ret = -1; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + dict_len = ntoh32 (req->dict_len); + state->ino = ntoh64 (req->ino); + state->flags = ntoh32 (req->flags); + } + + if (dict_len) { + /* Unserialize the dictionary */ + req_dictbuf = memdup (req->dict, dict_len); + GF_VALIDATE_OR_GOTO(bound_xl->name, req_dictbuf, fail); + + dict = dict_new (); + GF_VALIDATE_OR_GOTO(bound_xl->name, dict, fail); + + ret = dict_unserialize (req_dictbuf, dict_len, &dict); + if (ret < 0) { + gf_log (bound_xl->name, GF_LOG_ERROR, + "fd - %"PRId64" (%"PRId64"): failed to unserialize " + "request buffer to dictionary", + state->fd_no, state->fd->inode->ino); + free (req_dictbuf); + goto fail; + } else { + dict->extra_free = req_dictbuf; + } + } + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": FXATTROP \'fd=%"PRId64" (%"PRId64")\'", + frame->root->unique, state->fd_no, state->fd->inode->ino); + + STACK_WIND (frame, + server_fxattrop_cbk, + bound_xl, + bound_xl->fops->fxattrop, + state->fd, + state->flags, + dict); + if (dict) + dict_unref (dict); + return 0; +fail: + if (dict) + dict_unref (dict); + + server_fxattrop_cbk (frame, NULL, frame->this, + -1, EINVAL, NULL); + return 0; +} + +int32_t +server_xattrop_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + gf_xattrop_flags_t flags, + dict_t *dict) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": XATTROP \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_xattrop_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->xattrop, + loc, + flags, + dict); + return 0; +} + +int32_t +server_xattrop (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_xattrop_req_t *req = NULL; + dict_t *dict = NULL; + server_state_t *state = NULL; + call_stub_t *xattrop_stub = NULL; + int32_t ret = -1; + size_t pathlen = 0; + size_t dict_len = 0; + char *req_dictbuf = NULL; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + dict_len = ntoh32 (req->dict_len); + state->ino = ntoh64 (req->ino); + state->path = req->path + dict_len; + pathlen = STRLEN_0(state->path); + state->flags = ntoh32 (req->flags); + } + + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + if (dict_len) { + /* Unserialize the dictionary */ + req_dictbuf = memdup (req->dict, dict_len); + GF_VALIDATE_OR_GOTO(bound_xl->name, req_dictbuf, fail); + + dict = dict_new (); + GF_VALIDATE_OR_GOTO(bound_xl->name, dict, fail); + + ret = dict_unserialize (req_dictbuf, dict_len, &dict); + if (ret < 0) { + gf_log (bound_xl->name, GF_LOG_ERROR, + "%s (%"PRId64"): failed to unserialize " + "request buffer to dictionary", + state->loc.path, state->ino); + goto fail; + } else { + dict->extra_free = req_dictbuf; + } + } + xattrop_stub = fop_xattrop_stub (frame, + server_xattrop_resume, + &(state->loc), + state->flags, + dict); + GF_VALIDATE_OR_GOTO(bound_xl->name, xattrop_stub, fail); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (xattrop_stub, &(state->loc)); + } else { + call_resume (xattrop_stub); + } + + if (dict) + dict_unref (dict); + return 0; +fail: + if (dict) + dict_unref (dict); + + server_xattrop_cbk (frame, NULL, frame->this, + -1, EINVAL, + NULL); + return 0; +} + + +int32_t +server_getxattr_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + const char *name) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": GETXATTR \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_getxattr_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->getxattr, + loc, + name); + return 0; +} + +/* + * server_getxattr - getxattr function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_getxattr (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_getxattr_req_t *req = NULL; + call_stub_t *getxattr_stub = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t namelen = 0; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + pathlen = STRLEN_0(req->path); + + state->path = req->path; + state->ino = ntoh64 (req->ino); + + namelen = ntoh32 (req->namelen); + if (namelen) + state->name = (req->name + pathlen); + } + + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + getxattr_stub = fop_getxattr_stub (frame, + server_getxattr_resume, + &(state->loc), + state->name); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (getxattr_stub, &(state->loc)); + } else { + call_resume (getxattr_stub); + } + + return 0; +} + + + +int32_t +server_removexattr_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + const char *name) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": REMOVEXATTR \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_removexattr_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->removexattr, + loc, + name); + return 0; +} + +/* + * server_removexattr - removexattr function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_removexattr (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_removexattr_req_t *req = NULL; + call_stub_t *removexattr_stub = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + pathlen = STRLEN_0(req->path); + + state->path = req->path; + state->ino = ntoh64 (req->ino); + + state->name = (req->name + pathlen); + } + + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + removexattr_stub = fop_removexattr_stub (frame, + server_removexattr_resume, + &(state->loc), + state->name); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (removexattr_stub, &(state->loc)); + } else { + call_resume (removexattr_stub); + } + + return 0; +} + + +/* + * server_statfs - statfs function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_statfs (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_statfs_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + + req = gf_param (hdr); + + state = CALL_STATE(frame); + state->ino = ntoh64 (req->ino); + state->path = req->path; + + ret = server_loc_fill (&state->loc, state, + state->ino, 0, NULL, state->path); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": STATFS \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_statfs_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->statfs, + &(state->loc)); + + return 0; +} + + + +int32_t +server_opendir_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + fd_t *fd) +{ + server_state_t *state = CALL_STATE(frame); + fd_t *new_fd = NULL; + + new_fd = fd_create (loc->inode, frame->root->pid); + state->fd = fd_ref (new_fd); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": OPENDIR \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_opendir_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->opendir, + loc, + state->fd); + return 0; +} + + +/* + * server_opendir - opendir function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_opendir (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *opendir_stub = NULL; + gf_fop_opendir_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->path = req->path; + pathlen = STRLEN_0(state->path); + state->ino = ntoh64 (req->ino); + } + + ret = server_loc_fill (&state->loc, state, + state->ino, 0, NULL, state->path); + + opendir_stub = fop_opendir_stub (frame, + server_opendir_resume, + &(state->loc), + NULL); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (opendir_stub, &(state->loc)); + } else { + call_resume (opendir_stub); + } + + return 0; +} + + +/* + * server_releasedir - releasedir function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_releasedir (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_cbk_releasedir_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + + state->fd_no = ntoh64 (req->fd); + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + if (state->fd == NULL) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64": unresolved fd", + state->fd_no); + + server_releasedir_cbk (frame, NULL, frame->this, + -1, EINVAL); + goto out; + } + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": RELEASEDIR \'fd=%"PRId64" (%"PRId64")\'", + frame->root->unique, state->fd_no, state->fd->inode->ino); + + gf_fd_put (conn->fdtable, state->fd_no); + + server_releasedir_cbk (frame, NULL, frame->this, + 0, 0); +out: + return 0; +} + + +/* + * server_readdir - readdir function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_getdents (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_getdents_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->size = ntoh32 (req->size); + state->offset = ntoh64 (req->offset); + state->flags = ntoh32 (req->flags); + } + + + if (state->fd == NULL) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64": unresolved fd", + state->fd_no); + + server_getdents_cbk (frame, NULL, frame->this, + -1, EINVAL, NULL, 0); + + goto out; + } + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": GETDENTS \'fd=%"PRId64" (%"PRId64"); " + "offset=%"PRId64"; size=%"PRId64, + frame->root->unique, state->fd_no, state->fd->inode->ino, + state->offset, (int64_t)state->size); + + STACK_WIND (frame, + server_getdents_cbk, + bound_xl, + bound_xl->fops->getdents, + state->fd, + state->size, + state->offset, + state->flags); +out: + return 0; +} + + +/* + * server_readdir - readdir function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_readdir (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_readdir_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->size = ntoh32 (req->size); + state->offset = ntoh64 (req->offset); + } + + + if (state->fd == NULL) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64": unresolved fd", + state->fd_no); + + server_readdir_cbk (frame, NULL, frame->this, + -1, EINVAL, NULL); + + goto out; + } + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": READDIR \'fd=%"PRId64" (%"PRId64"); " + "offset=%"PRId64"; size=%"PRId64, + frame->root->unique, state->fd_no, state->fd->inode->ino, + state->offset, (int64_t)state->size); + + STACK_WIND (frame, + server_readdir_cbk, + bound_xl, + bound_xl->fops->readdir, + state->fd, state->size, state->offset); +out: + return 0; +} + + + +/* + * server_fsyncdir - fsyncdir function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_fsyncdir (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_fsyncdir_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->flags = ntoh32 (req->data); + } + + if (state->fd == NULL) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64": unresolved fd", + state->fd_no); + + server_fsyncdir_cbk (frame, NULL, frame->this, + -1, EINVAL); + goto out; + } + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": FSYNCDIR \'fd=%"PRId64" (%"PRId64")\'", + frame->root->unique, state->fd_no, state->fd->inode->ino); + + STACK_WIND (frame, + server_fsyncdir_cbk, + bound_xl, + bound_xl->fops->fsyncdir, + state->fd, state->flags); +out: + return 0; +} + + +int32_t +server_mknod_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + mode_t mode, + dev_t dev) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + if (state->loc.parent == NULL) + state->loc.parent = inode_ref (loc->parent); + + state->loc.inode = inode_new (state->itable); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": MKNOD \'%"PRId64"/%s\'", + frame->root->unique, state->par, state->bname); + + STACK_WIND (frame, + server_mknod_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->mknod, + &(state->loc), mode, dev); + + return 0; +} +/* + * server_mknod - mknod function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_mknod (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_mknod_req_t *req = NULL; + server_state_t *state = NULL; + call_stub_t *mknod_stub = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + pathlen = STRLEN_0(req->path); + + state->par = ntoh64 (req->par); + state->path = req->path; + if (IS_NOT_ROOT(pathlen)) + state->bname = req->bname + pathlen; + + state->mode = ntoh32 (req->mode); + state->dev = ntoh64 (req->dev); + } + ret = server_loc_fill (&(state->loc), state, + 0, state->par, state->bname, + state->path); + + mknod_stub = fop_mknod_stub (frame, server_mknod_resume, + &(state->loc), state->mode, state->dev); + + if (state->loc.parent == NULL) { + do_path_lookup (mknod_stub, &(state->loc)); + } else { + call_resume (mknod_stub); + } + + return 0; +} + +int32_t +server_mkdir_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + mode_t mode) + +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + if (state->loc.parent == NULL) + state->loc.parent = inode_ref (loc->parent); + + state->loc.inode = inode_new (state->itable); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": MKDIR \'%"PRId64"/%s\'", + frame->root->unique, state->par, state->bname); + + STACK_WIND (frame, + server_mkdir_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->mkdir, + &(state->loc), + state->mode); + + return 0; +} + +/* + * server_mkdir - mkdir function for server protocol + * @frame: call frame + * @bound_xl: + * @params: + * + * not for external reference + */ +int32_t +server_mkdir (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_mkdir_req_t *req = NULL; + server_state_t *state = NULL; + call_stub_t *mkdir_stub = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + pathlen = STRLEN_0(req->path); + state->mode = ntoh32 (req->mode); + + state->path = req->path; + state->bname = req->bname + pathlen; + state->par = ntoh64 (req->par); + } + + + ret = server_loc_fill (&(state->loc), state, + 0, state->par, state->bname, + state->path); + + mkdir_stub = fop_mkdir_stub (frame, server_mkdir_resume, + &(state->loc), state->mode); + + if (state->loc.parent == NULL) { + do_path_lookup (mkdir_stub, &(state->loc)); + } else { + call_resume (mkdir_stub); + } + + return 0; +} + + +int32_t +server_rmdir_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + if (state->loc.parent == NULL) + state->loc.parent = inode_ref (loc->parent); + + if (state->loc.inode == NULL) + state->loc.inode = inode_ref (loc->inode); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": RMDIR \'%"PRId64"/%s\'", + frame->root->unique, state->par, state->bname); + + STACK_WIND (frame, + server_rmdir_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->rmdir, + loc); + return 0; +} + +/* + * server_rmdir - rmdir function for server protocol + * @frame: call frame + * @bound_xl: + * @params: + * + * not for external reference + */ +int32_t +server_rmdir (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *rmdir_stub = NULL; + gf_fop_rmdir_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + pathlen = STRLEN_0(req->path); + state->path = req->path; + state->par = ntoh64 (req->par); + state->bname = req->bname + pathlen; + } + + + ret = server_loc_fill (&(state->loc), state, + state->ino, state->par, state->bname, + state->path); + + rmdir_stub = fop_rmdir_stub (frame, + server_rmdir_resume, + &(state->loc)); + + if ((state->loc.parent == NULL) || + (state->loc.inode == NULL)) { + do_path_lookup (rmdir_stub, &(state->loc)); + } else { + call_resume (rmdir_stub); + } + + return 0; +} + + + +int32_t +server_chown_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + uid_t uid, + gid_t gid) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": CHOWN \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, server_chown_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->chown, + loc, uid, gid); + return 0; +} + + +/* + * server_chown - chown function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_chown (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *chown_stub = NULL; + gf_fop_chown_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->ino = ntoh64 (req->ino); + state->path = req->path; + pathlen = STRLEN_0(state->path); + state->uid = ntoh32 (req->uid); + state->gid = ntoh32 (req->gid); + } + + + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + chown_stub = fop_chown_stub (frame, + server_chown_resume, + &(state->loc), + state->uid, + state->gid); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (chown_stub, &(state->loc)); + } else { + call_resume (chown_stub); + } + + return 0; +} + + +int32_t +server_chmod_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + mode_t mode) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": CHMOD \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_chmod_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->chmod, + loc, + mode); + return 0; + +} + +/* + * server_chmod - chmod function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_chmod (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *chmod_stub = NULL; + gf_fop_chmod_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + + state = CALL_STATE(frame); + { + state->ino = ntoh64 (req->ino); + state->path = req->path; + pathlen = STRLEN_0(state->path); + + state->mode = ntoh32 (req->mode); + } + + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + chmod_stub = fop_chmod_stub (frame, + server_chmod_resume, + &(state->loc), + state->mode); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (chmod_stub, &(state->loc)); + } else { + call_resume (chmod_stub); + } + + return 0; +} + + +int32_t +server_utimens_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + struct timespec *tv) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": UTIMENS \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_utimens_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->utimens, + loc, + tv); + return 0; +} + +/* + * server_utimens - utimens function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_utimens (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *utimens_stub = NULL; + gf_fop_utimens_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->ino = ntoh64 (req->ino); + state->path = req->path; + pathlen = STRLEN_0(state->path); + + gf_timespec_to_timespec (req->tv, state->tv); + } + + + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + utimens_stub = fop_utimens_stub (frame, + server_utimens_resume, + &(state->loc), + state->tv); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (utimens_stub, &(state->loc)); + } else { + call_resume (utimens_stub); + } + + return 0; +} + + + +int32_t +server_inodelk_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, int32_t cmd, + struct flock *flock) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + if (state->loc.inode == NULL) { + state->loc.inode = inode_ref (loc->inode); + } + + if (state->loc.parent == NULL) { + state->loc.parent = inode_ref (loc->parent); + } + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": INODELK \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_inodelk_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->inodelk, + loc, cmd, flock); + return 0; + +} + + +int32_t +server_inodelk (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *inodelk_stub = NULL; + gf_fop_inodelk_req_t *req = NULL; + server_state_t *state = NULL; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->cmd = ntoh32 (req->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 = ntoh32 (req->type); + + pathlen = STRLEN_0(req->path); + + state->path = req->path; + state->ino = ntoh64 (req->ino); + + gf_flock_to_flock (&req->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; + } + + } + + server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + inodelk_stub = fop_inodelk_stub (frame, + server_inodelk_resume, + &state->loc, state->cmd, &state->flock); + + if ((state->loc.parent == NULL) || + (state->loc.inode == NULL)) { + do_path_lookup (inodelk_stub, &(state->loc)); + } else { + call_resume (inodelk_stub); + } + + return 0; +} + + +int32_t +server_finodelk (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_finodelk_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->cmd = ntoh32 (req->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 = ntoh32 (req->type); + + gf_flock_to_flock (&req->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; + } + + } + + if (state->fd == NULL) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64": unresolved fd", + state->fd_no); + + server_finodelk_cbk (frame, NULL, frame->this, + -1, EINVAL); + return -1; + } + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": FINODELK \'fd=%"PRId64" (%"PRId64")\'", + frame->root->unique, state->fd_no, state->fd->inode->ino); + + STACK_WIND (frame, server_finodelk_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->finodelk, + state->fd, state->cmd, &state->flock); + return 0; +} + + +int32_t +server_entrylk_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, const char *name, + entrylk_cmd cmd, entrylk_type type) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + if (state->loc.inode == NULL) + state->loc.inode = inode_ref (loc->inode); + + if ((state->loc.parent == NULL) && + (loc->parent)) + state->loc.parent = inode_ref (loc->parent); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": ENTRYLK \'%s (%"PRId64") \'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_entrylk_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->entrylk, + loc, name, cmd, type); + return 0; + +} + +/* + * server_entrylk - entrylk function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_entrylk (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_entrylk_req_t *req = NULL; + server_state_t *state = NULL; + call_stub_t *entrylk_stub = NULL; + size_t pathlen = 0; + size_t namelen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + pathlen = STRLEN_0(req->path); + + state->path = req->path; + state->ino = ntoh64 (req->ino); + namelen = ntoh64 (req->namelen); + if (namelen) + state->name = req->name + pathlen; + + state->cmd = ntoh32 (req->cmd); + state->type = ntoh32 (req->type); + } + + + server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + entrylk_stub = fop_entrylk_stub (frame, + server_entrylk_resume, + &state->loc, state->name, state->cmd, + state->type); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (entrylk_stub, &(state->loc)); + } else { + call_resume (entrylk_stub); + } + + return 0; +} + + +int32_t +server_fentrylk (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_fentrylk_req_t *req = NULL; + server_state_t *state = NULL; + size_t namelen = 0; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->cmd = ntoh32 (req->cmd); + state->type = ntoh32 (req->type); + namelen = ntoh64 (req->namelen); + + if (namelen) + state->name = req->name; + } + + if (state->fd == NULL) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64": unresolved fd", + state->fd_no); + + server_fentrylk_cbk (frame, NULL, frame->this, + -1, EINVAL); + return -1; + } + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": FENTRYLK \'fd=%"PRId64" (%"PRId64")\'", + frame->root->unique, state->fd_no, state->fd->inode->ino); + + STACK_WIND (frame, server_fentrylk_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->fentrylk, + state->fd, state->name, state->cmd, state->type); + return 0; +} + + +int32_t +server_access_resume (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + int32_t mask) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": ACCESS \'%s (%"PRId64")\'", + frame->root->unique, state->path, state->ino); + + STACK_WIND (frame, + server_access_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->access, + loc, + mask); + return 0; +} + +/* + * server_access - access function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_access (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + call_stub_t *access_stub = NULL; + gf_fop_access_req_t *req = NULL; + server_state_t *state = NULL; + int32_t ret = -1; + size_t pathlen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + + state->mask = ntoh32 (req->mask); + + state->ino = ntoh64 (req->ino); + state->path = req->path; + pathlen = STRLEN_0(state->path); + + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, state->path); + + access_stub = fop_access_stub (frame, + server_access_resume, + &(state->loc), + state->mask); + + if (((state->loc.parent == NULL) && IS_NOT_ROOT(pathlen)) || + (state->loc.inode == NULL)) { + do_path_lookup (access_stub, &(state->loc)); + } else { + call_resume (access_stub); + } + + return 0; +} + + +int32_t +server_symlink_resume (call_frame_t *frame, + xlator_t *this, + const char *linkname, + loc_t *loc) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + if (state->loc.parent == NULL) + state->loc.parent = inode_ref (loc->parent); + + state->loc.inode = inode_new (BOUND_XL(frame)->itable); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": SYMLINK \'%"PRId64"/%s \'", + frame->root->unique, state->par, state->bname); + + STACK_WIND (frame, + server_symlink_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->symlink, + linkname, + &(state->loc)); + + return 0; +} + +/* + * server_symlink- symlink function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ + +int32_t +server_symlink (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + server_state_t *state = NULL; + gf_fop_symlink_req_t *req = NULL; + call_stub_t *symlink_stub = NULL; + int32_t ret = -1; + size_t pathlen = 0; + size_t baselen = 0; + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + pathlen = STRLEN_0(req->path); + baselen = STRLEN_0(req->bname + pathlen); + + state->par = ntoh64 (req->par); + state->path = req->path; + state->bname = req->bname + pathlen; + + state->name = (req->linkname + pathlen + baselen); + } + + ret = server_loc_fill (&(state->loc), state, + 0, state->par, state->bname, + state->path); + + symlink_stub = fop_symlink_stub (frame, server_symlink_resume, + state->name, &(state->loc)); + + if (state->loc.parent == NULL) { + do_path_lookup (symlink_stub, &(state->loc)); + } else { + call_resume (symlink_stub); + } + + return 0; +} + +int32_t +server_link_resume (call_frame_t *frame, + xlator_t *this, + loc_t *oldloc, + loc_t *newloc) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + if (state->loc.parent == NULL) + state->loc.parent = inode_ref (oldloc->parent); + + if (state->loc.inode == NULL) { + state->loc.inode = inode_ref (oldloc->inode); + } else if (state->loc.inode != oldloc->inode) { + if (state->loc.inode) + inode_unref (state->loc.inode); + state->loc.inode = inode_ref (oldloc->inode); + } + + if (state->loc2.parent == NULL) + state->loc2.parent = inode_ref (newloc->parent); + + state->loc2.inode = inode_ref (state->loc.inode); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": LINK \'%"PRId64"/%s ==> %s (%"PRId64")\'", + frame->root->unique, state->par2, state->bname2, + state->path, state->ino); + + STACK_WIND (frame, + server_link_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->link, + &(state->loc), + &(state->loc2)); + return 0; +} + +/* + * server_link - link function for server protocol + * @frame: call frame + * @bound_xl: + * @params: + * + * not for external reference + */ +int32_t +server_link (call_frame_t *frame, + xlator_t *this, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_link_req_t *req = NULL; + server_state_t *state = NULL; + call_stub_t *link_stub = NULL; + int32_t ret = -1; + size_t oldpathlen = 0; + size_t newpathlen = 0; + size_t newbaselen = 0; + + req = gf_param (hdr); + + state = CALL_STATE(frame); + { + oldpathlen = STRLEN_0(req->oldpath); + newpathlen = STRLEN_0(req->newpath + oldpathlen); + newbaselen = STRLEN_0(req->newbname + oldpathlen + newpathlen); + + state->path = req->oldpath; + state->path2 = req->newpath + oldpathlen; + state->bname2 = req->newbname + oldpathlen + newpathlen; + state->ino = ntoh64 (req->oldino); + state->par2 = ntoh64 (req->newpar); + } + + ret = server_loc_fill (&(state->loc), state, + state->ino, 0, NULL, + state->path); + ret = server_loc_fill (&(state->loc2), state, + 0, state->par2, state->bname2, + state->path2); + + link_stub = fop_link_stub (frame, server_link_resume, + &(state->loc), &(state->loc2)); + + if ((state->loc.parent == NULL) || + (state->loc.inode == NULL)) { + do_path_lookup (link_stub, &(state->loc)); + } else if (state->loc2.parent == NULL) { + do_path_lookup (link_stub, &(state->loc2)); + } else { + call_resume (link_stub); + } + + return 0; +} + + +int32_t +server_rename_resume (call_frame_t *frame, + xlator_t *this, + loc_t *oldloc, + loc_t *newloc) +{ + server_state_t *state = NULL; + + state = CALL_STATE(frame); + + if (state->loc.parent == NULL) + state->loc.parent = inode_ref (oldloc->parent); + + if (state->loc.inode == NULL) { + state->loc.inode = inode_ref (oldloc->inode); + } + + if (state->loc2.parent == NULL) + state->loc2.parent = inode_ref (newloc->parent); + + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": RENAME %s (%"PRId64"/%s) ==> %s (%"PRId64"/%s)", + frame->root->unique, state->path, state->par, state->bname, + state->path2, state->par2, state->bname2); + + STACK_WIND (frame, + server_rename_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->rename, + &(state->loc), + &(state->loc2)); + return 0; +} + +/* + * server_rename - rename function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ +int32_t +server_rename (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_fop_rename_req_t *req = NULL; + server_state_t *state = NULL; + call_stub_t *rename_stub = NULL; + int32_t ret = -1; + size_t oldpathlen = 0; + size_t oldbaselen = 0; + size_t newpathlen = 0; + size_t newbaselen = 0; + + req = gf_param (hdr); + + state = CALL_STATE(frame); + { + oldpathlen = STRLEN_0(req->oldpath); + oldbaselen = STRLEN_0(req->oldbname + oldpathlen); + newpathlen = STRLEN_0(req->newpath + oldpathlen + oldbaselen); + newbaselen = STRLEN_0(req->newbname + oldpathlen + + oldbaselen + newpathlen); + + state->path = req->oldpath; + state->bname = req->oldbname + oldpathlen; + state->path2 = req->newpath + oldpathlen + oldbaselen; + state->bname2 = (req->newbname + oldpathlen + oldbaselen + + newpathlen); + + state->par = ntoh64 (req->oldpar); + state->par2 = ntoh64 (req->newpar); + } + + ret = server_loc_fill (&(state->loc), state, + 0, state->par, state->bname, + state->path); + ret = server_loc_fill (&(state->loc2), state, + 0, state->par2, state->bname2, + state->path2); + + rename_stub = fop_rename_stub (frame, + server_rename_resume, + &(state->loc), + &(state->loc2)); + + if ((state->loc.parent == NULL) || + (state->loc.inode == NULL)){ + do_path_lookup (rename_stub, &(state->loc)); + } else if ((state->loc2.parent == NULL)){ + do_path_lookup (rename_stub, &(state->loc2)); + } else { + /* we have found inode for both oldpath and newpath in + * inode cache. lets continue with fops->rename() */ + call_resume (rename_stub); + } + + return 0; +} + + +/* + * server_lk - lk function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + * not for external reference + */ + +int32_t +server_lk (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + struct flock lock = {0, }; + gf_fop_lk_req_t *req = NULL; + server_state_t *state = NULL; + server_connection_t *conn = NULL; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + { + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->cmd = ntoh32 (req->cmd); + state->type = ntoh32 (req->type); + } + + + if (state->fd == NULL) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64": unresolved fd", + state->fd_no); + + server_lk_cbk (frame, NULL, frame->this, + -1, EINVAL, NULL); + + goto out; + } + + 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; + } + + switch (state->type) { + case GF_LK_F_RDLCK: + lock.l_type = F_RDLCK; + break; + case GF_LK_F_WRLCK: + lock.l_type = F_WRLCK; + break; + case GF_LK_F_UNLCK: + lock.l_type = F_UNLCK; + break; + default: + gf_log (bound_xl->name, GF_LOG_ERROR, + "fd - %"PRId64" (%"PRId64"): Unknown lock type: %"PRId32"!", + state->fd_no, state->fd->inode->ino, state->type); + break; + } + + gf_flock_to_flock (&req->flock, &lock); + + gf_log (BOUND_XL(frame)->name, GF_LOG_DEBUG, + "%"PRId64": LK \'fd=%"PRId64" (%"PRId64")\'", + frame->root->unique, state->fd_no, state->fd->inode->ino); + + STACK_WIND (frame, server_lk_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->lk, + state->fd, state->cmd, &lock); + +out: + return 0; +} + + +/* + * server_writedir - + * + * @frame: + * @bound_xl: + * @params: + * + */ +int32_t +server_setdents (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + server_connection_t *conn = NULL; + gf_fop_setdents_req_t *req = NULL; + server_state_t *state = NULL; + dir_entry_t *entry = NULL; + dir_entry_t *trav = NULL; + dir_entry_t *prev = NULL; + int32_t count = 0; + int32_t i = 0; + int32_t bread = 0; + char *ender = NULL; + char *buffer_ptr = NULL; + char tmp_buf[512] = {0,}; + + conn = SERVER_CONNECTION(frame); + + req = gf_param (hdr); + state = CALL_STATE(frame); + + state->fd_no = ntoh64 (req->fd); + if (state->fd_no >= 0) + state->fd = gf_fd_fdptr_get (conn->fdtable, + state->fd_no); + + state->nr_count = ntoh32 (req->count); + + if (state->fd == NULL) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64": unresolved fd", + state->fd_no); + + server_setdents_cbk (frame, NULL, frame->this, + -1, EINVAL); + + goto out; + } + + if (buf == NULL) { + gf_log (frame->this->name, GF_LOG_ERROR, + "fd - %"PRId64" (%"PRId64"): received a null buffer, " + "returning EINVAL", + state->fd_no, state->fd->inode->ino); + + server_setdents_cbk (frame, NULL, frame->this, + -1, EINVAL); + + goto out; + } + + entry = CALLOC (1, sizeof (dir_entry_t)); + ERR_ABORT (entry); + prev = entry; + buffer_ptr = buf; + + for (i = 0; i < state->nr_count ; i++) { + bread = 0; + trav = CALLOC (1, sizeof (dir_entry_t)); + ERR_ABORT (trav); + + ender = strchr (buffer_ptr, '/'); + if (!ender) + break; + count = ender - buffer_ptr; + trav->name = CALLOC (1, count + 2); + ERR_ABORT (trav->name); + + strncpy (trav->name, buffer_ptr, count); + bread = count + 1; + buffer_ptr += bread; + + ender = strchr (buffer_ptr, '\n'); + if (!ender) + break; + count = ender - buffer_ptr; + strncpy (tmp_buf, buffer_ptr, count); + bread = count + 1; + buffer_ptr += bread; + + /* TODO: use str_to_stat instead */ + { + uint64_t dev; + uint64_t ino; + uint32_t mode; + uint32_t nlink; + uint32_t uid; + uint32_t gid; + uint64_t rdev; + uint64_t size; + uint32_t blksize; + uint64_t blocks; + uint32_t atime; + uint32_t atime_nsec; + uint32_t mtime; + uint32_t mtime_nsec; + uint32_t ctime; + uint32_t ctime_nsec; + + sscanf (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); + + trav->buf.st_dev = dev; + trav->buf.st_ino = ino; + trav->buf.st_mode = mode; + trav->buf.st_nlink = nlink; + trav->buf.st_uid = uid; + trav->buf.st_gid = gid; + trav->buf.st_rdev = rdev; + trav->buf.st_size = size; + trav->buf.st_blksize = blksize; + trav->buf.st_blocks = blocks; + + trav->buf.st_atime = atime; + trav->buf.st_mtime = mtime; + trav->buf.st_ctime = ctime; + + ST_ATIM_NSEC_SET(&trav->buf, atime_nsec); + ST_MTIM_NSEC_SET(&trav->buf, mtime_nsec); + ST_CTIM_NSEC_SET(&trav->buf, ctime_nsec); + + } + + ender = strchr (buffer_ptr, '\n'); + if (!ender) + break; + count = ender - buffer_ptr; + *ender = '\0'; + if (S_ISLNK (trav->buf.st_mode)) { + trav->link = strdup (buffer_ptr); + } else + trav->link = ""; + bread = count + 1; + buffer_ptr += bread; + + prev->next = trav; + prev = trav; + } + + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": SETDENTS \'fd=%"PRId64" (%"PRId64"); count=%"PRId64, + frame->root->unique, state->fd_no, state->fd->inode->ino, + (int64_t)state->nr_count); + + STACK_WIND (frame, + server_setdents_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->setdents, + state->fd, + state->flags, + entry, + state->nr_count); + + + /* Free the variables allocated in this fop here */ + trav = entry->next; + prev = entry; + while (trav) { + prev->next = trav->next; + FREE (trav->name); + if (S_ISLNK (trav->buf.st_mode)) + FREE (trav->link); + FREE (trav); + trav = prev->next; + } + FREE (entry); + +out: + return 0; +} + + + +/* xxx_MOPS */ + +/* Management Calls */ +/* + * mop_getspec - getspec function for server protocol + * @frame: call frame + * @bound_xl: + * @params: + * + */ +int32_t +mop_getspec (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_hdr_common_t *_hdr = NULL; + gf_mop_getspec_rsp_t *rsp = NULL; + int32_t ret = -1; + int32_t op_errno = ENOENT; + int32_t gf_errno = 0; + int32_t spec_fd = -1; + size_t file_len = 0; + size_t _hdrlen = 0; + char tmp_filename[ZR_FILENAME_MAX] = {0,}; + char data_key[256] = {0,}; + char *filename = NULL; + struct stat stbuf = {0,}; + peer_info_t *peerinfo = NULL; + transport_t *trans = NULL; + + gf_mop_getspec_req_t *req = NULL; + uint32_t flags = 0; + uint32_t keylen = 0; + char *key = NULL; + + req = gf_param (hdr); + flags = ntoh32 (req->flags); + keylen = ntoh32 (req->keylen); + if (keylen) { + key = req->key; + } + + trans = TRANSPORT_FROM_FRAME(frame); + + peerinfo = &(trans->peerinfo); + /* Inform users that this option is changed now */ + ret = dict_get_str (frame->this->options, "client-volume-filename", + &filename); + if (ret == 0) { + gf_log (trans->xl->name, GF_LOG_WARNING, + "option 'client-volume-specfile' 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 (frame->this->options, data_key, &filename); + if (ret < 0) { + gf_log (trans->xl->name, GF_LOG_ERROR, + "failed to get corresponding volume file " + "for the key '%s'. using default file %s", + key, GLUSTERFSD_SPEC_PATH); + } + } + if (!filename) { + filename = GLUSTERFSD_SPEC_PATH; + if (!key) + gf_log (trans->xl->name, GF_LOG_WARNING, + "using default volume file %s", + GLUSTERFSD_SPEC_PATH); + } + + { + sprintf (tmp_filename, "%s.%s", + filename, peerinfo->identifier); + + /* Try for ip specific client volfile. + * If not found, then go for, regular client file. + */ + ret = open (tmp_filename, O_RDONLY); + spec_fd = ret; + if (spec_fd < 0) { + gf_log (trans->xl->name, GF_LOG_DEBUG, + "Unable to open %s (%s)", + tmp_filename, strerror (errno)); + /* fall back */ + ret = open (filename, O_RDONLY); + spec_fd = ret; + if (spec_fd < 0) { + gf_log (trans->xl->name, GF_LOG_ERROR, + "Unable to open %s (%s)", + filename, strerror (errno)); + goto fail; + } + } else { + /* Successful */ + filename = tmp_filename; + } + } + + /* to allocate the proper buffer to hold the file data */ + { + ret = stat (filename, &stbuf); + if (ret < 0){ + gf_log (trans->xl->name, GF_LOG_ERROR, + "Unable to stat %s (%s)", + filename, strerror (errno)); + goto fail; + } + + file_len = stbuf.st_size; + } + +fail: + op_errno = errno; + + _hdrlen = gf_hdr_len (rsp, file_len + 1); + _hdr = gf_hdr_new (rsp, file_len + 1); + rsp = gf_param (_hdr); + + _hdr->rsp.op_ret = hton32 (ret); + gf_errno = gf_errno_to_error (op_errno); + _hdr->rsp.op_errno = hton32 (gf_errno); + + if (file_len) { + read (spec_fd, rsp->spec, file_len); + close (spec_fd); + } + protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_GETSPEC, + _hdr, _hdrlen, NULL, 0, NULL); + + return 0; +} + +int32_t +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) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_checksum_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + + hdrlen = gf_hdr_len (rsp, ZR_FILENAME_MAX + 1 + ZR_FILENAME_MAX + 1); + hdr = gf_hdr_new (rsp, ZR_FILENAME_MAX + 1 + ZR_FILENAME_MAX + 1); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + if (op_ret >= 0) { + memcpy (rsp->fchecksum, fchecksum, ZR_FILENAME_MAX); + rsp->fchecksum[ZR_FILENAME_MAX] = '\0'; + memcpy (rsp->dchecksum + ZR_FILENAME_MAX, + dchecksum, ZR_FILENAME_MAX); + rsp->dchecksum[ZR_FILENAME_MAX + ZR_FILENAME_MAX] = '\0'; + } + + protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_CHECKSUM, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +int32_t +server_checksum (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + loc_t loc = {0,}; + int32_t flag = 0; + gf_fop_checksum_req_t *req = NULL; + + req = gf_param (hdr); + + loc.path = req->path; + loc.ino = ntoh64 (req->ino); + loc.inode = NULL; + flag = ntoh32 (req->flag); + + gf_log (bound_xl->name, GF_LOG_DEBUG, + "%"PRId64": CHECKSUM \'%s (%"PRId64")\'", + frame->root->unique, loc.path, loc.ino); + + STACK_WIND (frame, + server_checksum_cbk, + BOUND_XL(frame), + BOUND_XL(frame)->fops->checksum, + &loc, + flag); + + return 0; +} + + +/* + * mop_unlock - unlock management function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + */ +int32_t +mop_getvolume (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + return 0; +} + +struct __get_xl_struct { + const char *name; + xlator_t *reply; +}; + +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; +} + + +/* + * mop_setvolume - setvolume management function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + */ +int +mop_setvolume (call_frame_t *frame, xlator_t *bound_xl, + gf_hdr_common_t *req_hdr, size_t req_hdrlen, + char *req_buf, size_t req_buflen) +{ + server_connection_t *conn = NULL; + server_conf_t *conf = NULL; + gf_hdr_common_t *rsp_hdr = NULL; + gf_mop_setvolume_req_t *req = NULL; + gf_mop_setvolume_rsp_t *rsp = NULL; + peer_info_t *peerinfo = NULL; + int32_t ret = -1; + int32_t op_ret = -1; + int32_t op_errno = EINVAL; + int32_t gf_errno = 0; + dict_t *reply = NULL; + dict_t *config_params = NULL; + dict_t *params = NULL; + char *name = NULL; + char *version = NULL; + char *process_uuid = NULL; + xlator_t *xl = NULL; + transport_t *trans = NULL; + size_t rsp_hdrlen = -1; + size_t dict_len = -1; + size_t req_dictlen = -1; + + params = dict_new (); + reply = dict_new (); + + req = gf_param (req_hdr); + req_dictlen = ntoh32 (req->dict_len); + ret = dict_unserialize (req->buf, req_dictlen, ¶ms); + + config_params = dict_copy_with_ref (frame->this->options, NULL); + trans = TRANSPORT_FROM_FRAME(frame); + conf = SERVER_CONF(frame); + + if (ret < 0) { + ret = dict_set_str (reply, "ERROR", + "Internal error: failed to unserialize " + "request dictionary"); + if (ret < 0) + gf_log (bound_xl->name, GF_LOG_ERROR, + "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 (bound_xl->name, GF_LOG_ERROR, + "failed to set error msg"); + + op_ret = -1; + op_errno = EINVAL; + goto fail; + } + + + conn = server_connection_get (frame->this, process_uuid); + if (trans->xl_private != conn) + trans->xl_private = conn; + + ret = dict_get_str (params, "version", &version); + if (ret < 0) { + ret = dict_set_str (reply, "ERROR", + "No version number specified"); + if (ret < 0) + gf_log (trans->xl->name, GF_LOG_ERROR, + "failed to set error msg"); + + op_ret = -1; + op_errno = EINVAL; + goto fail; + } + + ret = strcmp (version, PACKAGE_VERSION); + if (ret != 0) { + char *msg = NULL; + asprintf (&msg, + "Version mismatch: client(%s) Vs server (%s)", + version, PACKAGE_VERSION); + ret = dict_set_dynstr (reply, "ERROR", msg); + if (ret < 0) + gf_log (trans->xl->name, GF_LOG_ERROR, + "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 (trans->xl->name, GF_LOG_ERROR, + "failed to set error msg"); + + op_ret = -1; + op_errno = EINVAL; + goto fail; + } + + xl = get_xlator_by_name (frame->this, name); + if (xl == NULL) { + char *msg = NULL; + asprintf (&msg, "remote-subvolume \"%s\" is not found", name); + ret = dict_set_dynstr (reply, "ERROR", msg); + if (ret < 0) + gf_log (trans->xl->name, GF_LOG_ERROR, + "failed to set error msg"); + + op_ret = -1; + op_errno = ENOENT; + goto fail; + } + + peerinfo = &trans->peerinfo; + ret = dict_set_static_ptr (params, "peer-info", peerinfo); + if (ret < 0) + gf_log (trans->xl->name, GF_LOG_ERROR, + "failed to set peer-info"); + + if (conf->auth_modules == NULL) { + gf_log (trans->xl->name, GF_LOG_ERROR, + "Authentication module not initialized"); + } + + ret = gf_authenticate (params, config_params, + conf->auth_modules); + if (ret == AUTH_ACCEPT) { + gf_log (trans->xl->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 (trans->xl->name, GF_LOG_ERROR, + "failed to set error msg"); + } else { + gf_log (trans->xl->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 (bound_xl->name, GF_LOG_ERROR, + "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 (trans->xl->name, GF_LOG_ERROR, + "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 */ + int32_t lru_limit = 1024; + + lru_limit = INODE_LRU_LIMIT (frame->this); + + gf_log (trans->xl->name, GF_LOG_DEBUG, + "creating inode table with lru_limit=%"PRId32", " + "xlator=%s", lru_limit, conn->bound_xl->name); + + conn->bound_xl->itable = + inode_table_new (lru_limit, + conn->bound_xl); + } + + ret = dict_set_str (reply, "process-uuid", + xl->ctx->process_uuid); + +fail: + dict_len = dict_serialized_length (reply); + if (dict_len < 0) { + gf_log (xl->name, GF_LOG_ERROR, + "failed to get serialized length of reply dict"); + op_ret = -1; + op_errno = EINVAL; + dict_len = 0; + } + + rsp_hdr = gf_hdr_new (rsp, dict_len); + rsp_hdrlen = gf_hdr_len (rsp, dict_len); + rsp = gf_param (rsp_hdr); + + if (dict_len) { + ret = dict_serialize (reply, rsp->buf); + if (ret < 0) { + gf_log (xl->name, GF_LOG_ERROR, + "failed to serialize reply dict"); + op_ret = -1; + op_errno = -ret; + } + } + rsp->dict_len = hton32 (dict_len); + + rsp_hdr->rsp.op_ret = hton32 (op_ret); + gf_errno = gf_errno_to_error (op_errno); + rsp_hdr->rsp.op_errno = hton32 (gf_errno); + + protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_SETVOLUME, + rsp_hdr, rsp_hdrlen, NULL, 0, NULL); + + dict_unref (params); + dict_unref (reply); + dict_unref (config_params); + + return 0; +} + +/* + * server_mop_stats_cbk - stats callback for server management operation + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * @stats:err + * + * not for external reference + */ + +int32_t +server_mop_stats_cbk (call_frame_t *frame, + void *cookie, + xlator_t *xl, + int32_t ret, + int32_t op_errno, + struct xlator_stats *stats) +{ + /* TODO: get this information from somewhere else, not extern */ + gf_hdr_common_t *hdr = NULL; + gf_mop_stats_rsp_t *rsp = NULL; + char buffer[256] = {0,}; + int64_t glusterfsd_stats_nr_clients = 0; + size_t hdrlen = 0; + size_t buf_len = 0; + int32_t gf_errno = 0; + + if (ret >= 0) { + sprintf (buffer, + "%"PRIx64",%"PRIx64",%"PRIx64 + ",%"PRIx64",%"PRIx64",%"PRIx64 + ",%"PRIx64",%"PRIx64"\n", + stats->nr_files, + stats->disk_usage, + stats->free_disk, + stats->total_disk_size, + stats->read_usage, + stats->write_usage, + stats->disk_speed, + glusterfsd_stats_nr_clients); + + buf_len = strlen (buffer); + } + + hdrlen = gf_hdr_len (rsp, buf_len + 1); + hdr = gf_hdr_new (rsp, buf_len + 1); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (ret); + gf_errno = gf_errno_to_error (op_errno); + hdr->rsp.op_errno = hton32 (gf_errno); + + strcpy (rsp->buf, buffer); + + protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_STATS, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + + +/* + * mop_unlock - unlock management function for server protocol + * @frame: call frame + * @bound_xl: + * @params: parameter dictionary + * + */ +static int32_t +mop_stats (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + int32_t flag = 0; + gf_mop_stats_req_t *req = NULL; + + req = gf_param (hdr); + + flag = ntoh32 (req->flags); + + STACK_WIND (frame, + server_mop_stats_cbk, + bound_xl, + bound_xl->mops->stats, + flag); + + return 0; +} + +int32_t +mop_ping (call_frame_t *frame, + xlator_t *bound_xl, + gf_hdr_common_t *hdr, size_t hdrlen, + char *buf, size_t buflen) +{ + gf_hdr_common_t *rsp_hdr = NULL; + gf_mop_ping_rsp_t *rsp = NULL; + size_t rsp_hdrlen = 0; + + rsp_hdrlen = gf_hdr_len (rsp, 0); + rsp_hdr = gf_hdr_new (rsp, 0); + + hdr->rsp.op_ret = 0; + + protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_PING, + rsp_hdr, rsp_hdrlen, NULL, 0, NULL); + + return 0; +} +/* + * unknown_op_cbk - This function is called when a opcode for unknown + * type is called. Helps to keep the backward/forward + * compatiblity + * @frame: call frame + * @type: + * @opcode: + * + */ + +int32_t +unknown_op_cbk (call_frame_t *frame, + int32_t type, + int32_t opcode) +{ + gf_hdr_common_t *hdr = NULL; + gf_fop_flush_rsp_t *rsp = NULL; + size_t hdrlen = 0; + int32_t gf_errno = 0; + hdrlen = gf_hdr_len (rsp, 0); + hdr = gf_hdr_new (rsp, 0); + rsp = gf_param (hdr); + + hdr->rsp.op_ret = hton32 (-1); + gf_errno = gf_errno_to_error (ENOSYS); + hdr->rsp.op_errno = hton32 (gf_errno); + + protocol_server_reply (frame, type, opcode, + hdr, hdrlen, NULL, 0, NULL); + + return 0; +} + +/* + * get_frame_for_transport - get call frame for specified transport object + * + * @trans: transport object + * + */ +static call_frame_t * +get_frame_for_transport (transport_t *trans) +{ + call_frame_t *frame = NULL; + call_pool_t *pool = NULL; + server_connection_t *conn = NULL; + server_state_t *state = NULL;; + + GF_VALIDATE_OR_GOTO("server", trans, out); + + if (trans->xl && trans->xl->ctx) + pool = trans->xl->ctx->pool; + GF_VALIDATE_OR_GOTO("server", pool, out); + + frame = create_frame (trans->xl, pool); + GF_VALIDATE_OR_GOTO("server", frame, out); + + state = CALLOC (1, sizeof (*state)); + GF_VALIDATE_OR_GOTO("server", state, out); + + conn = trans->xl_private; + if (conn) { + if (conn->bound_xl) + state->itable = conn->bound_xl->itable; + state->bound_xl = conn->bound_xl; + } + + state->trans = transport_ref (trans); + + frame->root->trans = conn; + frame->root->state = state; /* which socket */ + frame->root->unique = 0; /* which call */ + +out: + return frame; +} + +/* + * get_frame_for_call - create a frame into the capable of + * generating and replying the reply packet by itself. + * By making a call with this frame, the last UNWIND + * function will have all needed state from its + * frame_t->root to send reply. + * @trans: + * @blk: + * @params: + * + * not for external reference + */ +static call_frame_t * +get_frame_for_call (transport_t *trans, gf_hdr_common_t *hdr) +{ + call_frame_t *frame = NULL; + + frame = get_frame_for_transport (trans); + + frame->root->op = ntoh32 (hdr->op); + frame->root->type = ntoh32 (hdr->type); + + frame->root->uid = ntoh32 (hdr->req.uid); + frame->root->unique = ntoh64 (hdr->callid); /* which call */ + frame->root->gid = ntoh32 (hdr->req.gid); + frame->root->pid = ntoh32 (hdr->req.pid); + + return frame; +} + +/* + * 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, + char *buf, size_t buflen); + + +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_CHMOD] = server_chmod, + [GF_FOP_CHOWN] = server_chown, + [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_REMOVEXATTR] = server_removexattr, + [GF_FOP_OPENDIR] = server_opendir, + [GF_FOP_GETDENTS] = server_getdents, + [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_UTIMENS] = server_utimens, + [GF_FOP_FCHMOD] = server_fchmod, + [GF_FOP_FCHOWN] = server_fchown, + [GF_FOP_LOOKUP] = server_lookup, + [GF_FOP_SETDENTS] = server_setdents, + [GF_FOP_READDIR] = server_readdir, + [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_XATTROP] = server_xattrop, + [GF_FOP_FXATTROP] = server_fxattrop, +}; + + + +static gf_op_t gf_mops[] = { + [GF_MOP_SETVOLUME] = mop_setvolume, + [GF_MOP_GETVOLUME] = mop_getvolume, + [GF_MOP_STATS] = mop_stats, + [GF_MOP_GETSPEC] = mop_getspec, + [GF_MOP_PING] = mop_ping, +}; + +static gf_op_t gf_cbks[] = { + [GF_CBK_FORGET] = server_forget, + [GF_CBK_RELEASE] = server_release, + [GF_CBK_RELEASEDIR] = server_releasedir +}; + +int +protocol_server_interpret (xlator_t *this, transport_t *trans, + char *hdr_p, size_t hdrlen, char *buf, + size_t buflen) +{ + server_connection_t *conn = NULL; + gf_hdr_common_t *hdr = NULL; + xlator_t *bound_xl = NULL; + call_frame_t *frame = NULL; + peer_info_t *peerinfo = NULL; + int32_t type = -1; + int32_t op = -1; + int32_t ret = -1; + + hdr = (gf_hdr_common_t *)hdr_p; + type = ntoh32 (hdr->type); + op = ntoh32 (hdr->op); + + conn = trans->xl_private; + if (conn) + bound_xl = conn->bound_xl; + + peerinfo = &trans->peerinfo; + switch (type) { + case GF_OP_TYPE_FOP_REQUEST: + if ((op < 0) || + (op > GF_FOP_MAXVALUE)) { + gf_log (this->name, GF_LOG_ERROR, + "invalid fop %"PRId32" from client %s", + op, peerinfo->identifier); + break; + } + if (bound_xl == NULL) { + gf_log (this->name, GF_LOG_ERROR, + "Received fop %"PRId32" before " + "authentication.", op); + break; + } + frame = get_frame_for_call (trans, hdr); + ret = gf_fops[op] (frame, bound_xl, hdr, hdrlen, buf, buflen); + break; + + case GF_OP_TYPE_MOP_REQUEST: + if (op < 0 || op > GF_MOP_MAXVALUE) { + gf_log (this->name, GF_LOG_ERROR, + "invalid mop %"PRId32" from client %s", + op, peerinfo->identifier); + break; + } + frame = get_frame_for_call (trans, hdr); + ret = gf_mops[op] (frame, bound_xl, hdr, hdrlen, buf, buflen); + break; + + case GF_OP_TYPE_CBK_REQUEST: + if (op < 0 || op > GF_CBK_MAXVALUE) { + gf_log (this->name, GF_LOG_ERROR, + "invalid cbk %"PRId32" from client %s", + op, peerinfo->identifier); + break; + } + if (bound_xl == NULL) { + gf_log (this->name, GF_LOG_ERROR, + "Received cbk %d before authentication.", op); + break; + } + + frame = get_frame_for_call (trans, hdr); + ret = gf_cbks[op] (frame, bound_xl, hdr, hdrlen, buf, buflen); + break; + + default: + break; + } + + return ret; +} + + +/* + * server_nop_cbk - nop callback for server protocol + * @frame: call frame + * @cookie: + * @this: + * @op_ret: return value + * @op_errno: errno + * + * not for external reference + */ +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; +} + + +static void +get_auth_types (dict_t *this, + char *key, + data_t *value, + void *data) +{ + dict_t *auth_dict = data; + char *saveptr = NULL, *tmp = NULL; + char *key_cpy = NULL; + int32_t ret = -1; + + key_cpy = 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_ERROR, + "failed to dict_set_dynptr"); + } + } + + FREE (key_cpy); +out: + return; +} + + +static 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, *tmp = NULL; + char *key_cpy = NULL; + + trav = this->children; + while (trav) { + error = -1; + for (pair = dict->members_list; pair; pair = pair->next) { + key_cpy = 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; + free (key_cpy); + break; + } + 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; +} + + +/* + * init - called during server protocol initialization + * + * @this: + * + */ +int +init (xlator_t *this) +{ + int32_t ret = -1; + transport_t *trans = NULL; + server_conf_t *conf = NULL; + + if (this->children == NULL) { + gf_log (this->name, GF_LOG_ERROR, + "protocol/server should have subvolume"); + goto out; + } + + trans = transport_load (this->options, this); + if (trans == NULL) { + gf_log (this->name, GF_LOG_ERROR, + "failed to load transport"); + goto out; + } + + ret = transport_listen (trans); + if (ret == -1) { + gf_log (this->name, GF_LOG_ERROR, + "failed to bind/listen on socket"); + goto out; + } + + conf = CALLOC (1, sizeof (server_conf_t)); + GF_VALIDATE_OR_GOTO(this->name, conf, out); + + INIT_LIST_HEAD (&conf->conns); + pthread_mutex_init (&conf->mutex, NULL); + + conf->trans = trans; + + 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; + } + + this->private = conf; + + ret = dict_get_int32 (this->options, "inode-lru-limit", + &conf->inode_lru_limit); + if (ret < 0) { + conf->inode_lru_limit = 1024; + } + + ret = dict_get_int32 (this->options, "limits.transaction-size", + &conf->max_block_size); + if (ret < 0) { + gf_log (this->name, GF_LOG_DEBUG, + "defaulting limits.transaction-size to %d", + DEFAULT_BLOCK_SIZE); + conf->max_block_size = DEFAULT_BLOCK_SIZE; + } + +#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_ERROR, + "Failed to set max open fd to 64k: %s", + strerror(errno)); + } else { + gf_log (this->name, GF_LOG_ERROR, + "max open fd set to 64k"); + } + } + } +#endif + this->ctx->top = this; + + ret = 0; +out: + return ret; +} + + + +int +protocol_server_pollin (xlator_t *this, transport_t *trans) +{ + char *hdr = NULL; + size_t hdrlen = 0; + char *buf = NULL; + size_t buflen = 0; + int ret = -1; + + + ret = transport_receive (trans, &hdr, &hdrlen, &buf, &buflen); + + if (ret == 0) + ret = protocol_server_interpret (this, trans, hdr, + hdrlen, buf, buflen); + + /* TODO: use mem-pool */ + FREE (hdr); + + return ret; +} + + +/* + * fini - finish function for server protocol, called before + * unloading server protocol. + * + * @this: + * + */ +void +fini (xlator_t *this) +{ + server_conf_t *conf = this->private; + + GF_VALIDATE_OR_GOTO(this->name, conf, out); + + if (conf->auth_modules) { + dict_unref (conf->auth_modules); + } + + FREE (conf); + this->private = NULL; +out: + return; +} + +/* + * server_protocol_notify - notify function for server protocol + * @this: + * @trans: + * @event: + * + */ +int +notify (xlator_t *this, int32_t event, void *data, ...) +{ + int ret = 0; + transport_t *trans = data; + + switch (event) { + case GF_EVENT_POLLIN: + ret = protocol_server_pollin (this, trans); + break; + case GF_EVENT_POLLERR: + { + peer_info_t *peerinfo = NULL; + + peerinfo = &(trans->peerinfo); + gf_log (trans->xl->name, GF_LOG_INFO, "%s disconnected", + peerinfo->identifier); + + ret = -1; + transport_disconnect (trans); + } + break; + + case GF_EVENT_TRANSPORT_CLEANUP: + { + if (trans->xl_private) + server_connection_put (this, trans->xl_private); + } + break; + + default: + default_notify (this, event, data); + break; + } + + return ret; +} + + +struct xlator_mops mops = { +}; + +struct xlator_fops fops = { +}; + +struct xlator_cbks cbks = { +}; + +struct volume_options options[] = { + { .key = {"transport-type"}, + .value = {"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 = {"client-volume-filename"}, + .type = GF_OPTION_TYPE_PATH + }, + { .key = {NULL} }, +}; 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