/* Copyright (c) 2006-2009 Gluster, Inc. This file is part of GlusterFS. GlusterFS is free software; you can redistribute it and/or modify it under the terms of the GNU Affero 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 Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see . */ #ifndef _CONFIG_H #define _CONFIG_H #include "config.h" #endif #include #include "globals.h" #include "glusterfs.h" #include "compat.h" #include "dict.h" #include "protocol-common.h" #include "xlator.h" #include "logging.h" #include "timer.h" #include "defaults.h" #include "compat.h" #include "compat-errno.h" #include "statedump.h" #include "glusterd-mem-types.h" #include "glusterd.h" #include "glusterd-sm.h" #include "glusterd-op-sm.h" #include "glusterd-utils.h" #include "glusterd-store.h" #include "glusterd1.h" #include "cli1.h" #include "rpc-clnt.h" #include "glusterd1-xdr.h" #include #include #include "defaults.c" #include "common-utils.h" static int glusterd_friend_find_by_hostname (const char *hoststr, glusterd_peerinfo_t **peerinfo) { int ret = -1; glusterd_conf_t *priv = NULL; glusterd_peerinfo_t *entry = NULL; glusterd_peer_hostname_t *name = NULL; GF_ASSERT (hoststr); GF_ASSERT (peerinfo); *peerinfo = NULL; priv = THIS->private; GF_ASSERT (priv); list_for_each_entry (entry, &priv->peers, uuid_list) { list_for_each_entry (name, &entry->hostnames, hostname_list) { if (!strncmp (name->hostname, hoststr, 1024)) { gf_log ("glusterd", GF_LOG_NORMAL, "Friend %s found.. state: %d", hoststr, entry->state.state); *peerinfo = entry; return 0; } } } return ret; } static int glusterd_friend_find_by_uuid (uuid_t uuid, glusterd_peerinfo_t **peerinfo) { int ret = -1; glusterd_conf_t *priv = NULL; glusterd_peerinfo_t *entry = NULL; GF_ASSERT (peerinfo); *peerinfo = NULL; priv = THIS->private; GF_ASSERT (priv); list_for_each_entry (entry, &priv->peers, uuid_list) { if (!uuid_compare (entry->uuid, uuid)) { gf_log ("glusterd", GF_LOG_NORMAL, "Friend found.. state: %d", entry->state.state); *peerinfo = entry; return 0; } } return ret; } static int glusterd_handle_friend_req (rpcsvc_request_t *req, uuid_t uuid, char *hostname, int port, dict_t *dict) { int ret = -1; glusterd_peerinfo_t *peerinfo = NULL; glusterd_friend_sm_event_t *event = NULL; glusterd_friend_req_ctx_t *ctx = NULL; if (!port) port = 6969; // TODO: use define values. ret = glusterd_friend_find (uuid, hostname, &peerinfo); if (ret) { gf_log ("glusterd", GF_LOG_NORMAL, "Unable to find peer"); } ret = glusterd_friend_sm_new_event (GD_FRIEND_EVENT_RCVD_FRIEND_REQ, &event); if (ret) { gf_log ("", GF_LOG_ERROR, "event generation failed: %d", ret); return ret; } event->peerinfo = peerinfo; ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_friend_req_ctx_t); if (!ctx) { gf_log ("", GF_LOG_ERROR, "Unable to allocate memory"); ret = -1; goto out; } uuid_copy (ctx->uuid, uuid); if (hostname) ctx->hostname = gf_strdup (hostname); ctx->req = req; ctx->vols = dict; event->ctx = ctx; ret = glusterd_friend_sm_inject_event (event); if (ret) { gf_log ("glusterd", GF_LOG_ERROR, "Unable to inject event %d, " "ret = %d", event->event, ret); goto out; } ret = 0; out: if (0 != ret) { if (ctx && ctx->hostname) GF_FREE (ctx->hostname); if (ctx && ctx->vols) dict_destroy (ctx->vols); if (ctx) GF_FREE (ctx); } return ret; } static int glusterd_handle_unfriend_req (rpcsvc_request_t *req, uuid_t uuid, char *hostname, int port) { int ret = -1; glusterd_peerinfo_t *peerinfo = NULL; glusterd_friend_sm_event_t *event = NULL; glusterd_friend_req_ctx_t *ctx = NULL; if (!port) port = 6969; //TODO: use define'd macro ret = glusterd_friend_find (uuid, hostname, &peerinfo); if (ret) { gf_log ("glusterd", GF_LOG_NORMAL, "Unable to find peer"); } ret = glusterd_friend_sm_new_event (GD_FRIEND_EVENT_RCVD_REMOVE_FRIEND, &event); if (ret) { gf_log ("", GF_LOG_ERROR, "event generation failed: %d", ret); return ret; } event->peerinfo = peerinfo; ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_friend_req_ctx_t); if (!ctx) { gf_log ("", GF_LOG_ERROR, "Unable to allocate memory"); ret = -1; goto out; } uuid_copy (ctx->uuid, uuid); if (hostname) ctx->hostname = gf_strdup (hostname); ctx->req = req; event->ctx = ctx; ret = glusterd_friend_sm_inject_event (event); if (ret) { gf_log ("glusterd", GF_LOG_ERROR, "Unable to inject event %d, " "ret = %d", event->event, ret); goto out; } ret = 0; out: if (0 != ret) { if (ctx && ctx->hostname) GF_FREE (ctx->hostname); if (ctx) GF_FREE (ctx); } return ret; } static int glusterd_add_peer_detail_to_dict (glusterd_peerinfo_t *peerinfo, dict_t *friends, int count) { int ret = -1; char key[256] = {0, }; GF_ASSERT (peerinfo); GF_ASSERT (friends); snprintf (key, 256, "friend%d.uuid", count); uuid_unparse (peerinfo->uuid, peerinfo->uuid_str); ret = dict_set_str (friends, key, peerinfo->uuid_str); if (ret) goto out; snprintf (key, 256, "friend%d.hostname", count); ret = dict_set_str (friends, key, peerinfo->hostname); if (ret) goto out; snprintf (key, 256, "friend%d.port", count); ret = dict_set_int32 (friends, key, peerinfo->port); if (ret) goto out; snprintf (key, 256, "friend%d.state", count); ret = dict_set_int32 (friends, key, (int32_t)peerinfo->state.state); if (ret) goto out; out: return ret; } static int glusterd_add_volume_detail_to_dict (glusterd_volinfo_t *volinfo, dict_t *volumes, int count) { int ret = -1; char key[256] = {0, }; glusterd_brickinfo_t *brickinfo = NULL; char *buf = NULL; int i = 1; GF_ASSERT (volinfo); GF_ASSERT (volumes); snprintf (key, 256, "volume%d.name", count); ret = dict_set_str (volumes, key, volinfo->volname); if (ret) goto out; snprintf (key, 256, "volume%d.type", count); ret = dict_set_int32 (volumes, key, volinfo->type); if (ret) goto out; snprintf (key, 256, "volume%d.status", count); ret = dict_set_int32 (volumes, key, volinfo->status); if (ret) goto out; snprintf (key, 256, "volume%d.brick_count", count); ret = dict_set_int32 (volumes, key, volinfo->brick_count); if (ret) goto out; list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) { char brick[1024] = {0,}; snprintf (key, 256, "volume%d.brick%d", count, i); snprintf (brick, 1024, "%s:%s", brickinfo->hostname, brickinfo->path); buf = gf_strdup (brick); ret = dict_set_dynstr (volumes, key, buf); if (ret) goto out; i++; } out: return ret; } int glusterd_friend_find (uuid_t uuid, char *hostname, glusterd_peerinfo_t **peerinfo) { int ret = -1; if (uuid) { ret = glusterd_friend_find_by_uuid (uuid, peerinfo); if (ret) { gf_log ("glusterd", GF_LOG_NORMAL, "Unable to find peer by uuid"); } else { goto out; } } if (hostname) { ret = glusterd_friend_find_by_hostname (hostname, peerinfo); if (ret) { gf_log ("glusterd", GF_LOG_NORMAL, "Unable to find hostname: %s", hostname); } else { goto out; } } out: return ret; } int glusterd_handle_cluster_lock (rpcsvc_request_t *req) { gd1_mgmt_cluster_lock_req lock_req = {{0},}; int32_t ret = -1; char str[50] = {0,}; glusterd_op_lock_ctx_t *ctx = NULL; GF_ASSERT (req); if (!gd_xdr_to_mgmt_cluster_lock_req (req->msg[0], &lock_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } uuid_unparse (lock_req.uuid, str); gf_log ("glusterd", GF_LOG_NORMAL, "Received LOCK from uuid: %s", str); ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_stage_ctx_t); if (!ctx) { //respond here return -1; } uuid_copy (ctx->uuid, lock_req.uuid); ctx->req = req; ret = glusterd_op_sm_inject_event (GD_OP_EVENT_LOCK, ctx); out: gf_log ("", GF_LOG_NORMAL, "Returning %d", ret); return ret; } int glusterd_handle_stage_op (rpcsvc_request_t *req) { int32_t ret = -1; char str[50] = {0,}; gd1_mgmt_stage_op_req stage_req = {{0,}}; glusterd_op_stage_ctx_t *ctx = NULL; GF_ASSERT (req); if (!gd_xdr_to_mgmt_stage_op_req (req->msg[0], &stage_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } uuid_unparse (stage_req.uuid, str); gf_log ("glusterd", GF_LOG_NORMAL, "Received stage op from uuid: %s", str); ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_stage_ctx_t); if (!ctx) { //respond here return -1; } //CHANGE THIS uuid_copy (ctx->stage_req.uuid, stage_req.uuid); ctx->stage_req.op = stage_req.op; ctx->stage_req.buf.buf_len = stage_req.buf.buf_len; ctx->stage_req.buf.buf_val = GF_CALLOC (1, stage_req.buf.buf_len, gf_gld_mt_string); if (!ctx->stage_req.buf.buf_val) goto out; memcpy (ctx->stage_req.buf.buf_val, stage_req.buf.buf_val, stage_req.buf.buf_len); ctx->req = req; ret = glusterd_op_sm_inject_event (GD_OP_EVENT_STAGE_OP, ctx); out: return ret; } int glusterd_handle_commit_op (rpcsvc_request_t *req) { int32_t ret = -1; char str[50] = {0,}; gd1_mgmt_commit_op_req commit_req = {{0},}; glusterd_op_commit_ctx_t *ctx = NULL; GF_ASSERT (req); if (!gd_xdr_to_mgmt_commit_op_req (req->msg[0], &commit_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } uuid_unparse (commit_req.uuid, str); gf_log ("glusterd", GF_LOG_NORMAL, "Received commit op from uuid: %s", str); ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_commit_ctx_t); if (!ctx) { //respond here return -1; } ctx->req = req; //CHANGE THIS uuid_copy (ctx->stage_req.uuid, commit_req.uuid); ctx->stage_req.op = commit_req.op; ctx->stage_req.buf.buf_len = commit_req.buf.buf_len; ctx->stage_req.buf.buf_val = GF_CALLOC (1, commit_req.buf.buf_len, gf_gld_mt_string); if (!ctx->stage_req.buf.buf_val) goto out; memcpy (ctx->stage_req.buf.buf_val, commit_req.buf.buf_val, commit_req.buf.buf_len); ret = glusterd_op_sm_inject_event (GD_OP_EVENT_COMMIT_OP, ctx); out: return ret; } int glusterd_handle_cli_probe (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_probe_req cli_req = {0,}; glusterd_peerinfo_t *peerinfo = NULL; GF_ASSERT (req); if (!gf_xdr_to_cli_probe_req (req->msg[0], &cli_req)) { //failed to decode msg; gf_log ("", GF_LOG_ERROR, "xdr decoding error"); req->rpc_err = GARBAGE_ARGS; goto out; } gf_cmd_log ("peer probe", " %s:%d", cli_req.hostname, cli_req.port); gf_log ("glusterd", GF_LOG_NORMAL, "Received CLI probe req %s %d", cli_req.hostname, cli_req.port); if (!(ret = glusterd_is_local_addr(cli_req.hostname))) { glusterd_xfer_cli_probe_resp (req, 0, GF_PROBE_LOCALHOST, cli_req.hostname, cli_req.port); goto out; } if (!(ret = glusterd_friend_find_by_hostname(cli_req.hostname, &peerinfo))) { if ((peerinfo->state.state != GD_FRIEND_STATE_REQ_RCVD) || (peerinfo->state.state != GD_FRIEND_STATE_DEFAULT)) { gf_log ("glusterd", GF_LOG_NORMAL, "Probe host %s port %d" "already a friend", cli_req.hostname, cli_req.port); glusterd_xfer_cli_probe_resp (req, 0, GF_PROBE_FRIEND, cli_req.hostname, cli_req.port); goto out; } } ret = glusterd_probe_begin (req, cli_req.hostname, cli_req.port); out: gf_cmd_log ("peer probe","on %s:%d %s",cli_req.hostname, cli_req.port, (ret) ? "FAILED" : "SUCCESS"); return ret; } int glusterd_handle_cli_deprobe (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_probe_req cli_req = {0,}; GF_ASSERT (req); if (!gf_xdr_to_cli_probe_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_cmd_log ("peer deprobe", " %s:%d", cli_req.hostname, cli_req.port); gf_log ("glusterd", GF_LOG_NORMAL, "Received CLI deprobe req"); ret = glusterd_deprobe_begin (req, cli_req.hostname, cli_req.port); out: gf_cmd_log ("peer deprobe", "on %s:%d %s", cli_req.hostname, cli_req.port, (ret) ? "FAILED" : "SUCCESS"); return ret; } int glusterd_handle_cli_list_friends (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_peer_list_req cli_req = {0,}; dict_t *dict = NULL; GF_ASSERT (req); if (!gf_xdr_to_cli_peer_list_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_log ("glusterd", GF_LOG_NORMAL, "Received cli list req"); if (cli_req.dict.dict_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.dict.dict_val, cli_req.dict.dict_len, &dict); if (ret < 0) { gf_log ("glusterd", GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); goto out; } } ret = glusterd_list_friends (req, dict, cli_req.flags); out: if (dict) dict_unref (dict); return ret; } int glusterd_check_and_rebalance (glusterd_volinfo_t *volinfo, char *dir) { int ret = -1; int dst_fd = -1; int src_fd = -1; DIR *fd = NULL; glusterd_defrag_info_t *defrag = NULL; struct dirent *entry = NULL; struct stat stbuf = {0,}; struct stat new_stbuf = {0,}; char full_path[1024] = {0,}; char tmp_filename[1024] = {0,}; char value[128] = {0,}; defrag = volinfo->defrag; if (!defrag) goto out; fd = opendir (dir); if (!fd) goto out; do { entry = readdir (fd); if (!entry) break; if (!strcmp (entry->d_name, ".") || !strcmp (entry->d_name, "..")) continue; snprintf (full_path, 1024, "%s/%s", dir, entry->d_name); ret = stat (full_path, &stbuf); if (ret == -1) continue; if (S_ISDIR (stbuf.st_mode)) { //getfattr -n trusted.distribute.fix.layout "$path" ; getxattr (full_path, "trusted.distribute.fix.layout", &value, 128); /* add some delay */ usleep (500); ret = glusterd_check_and_rebalance (volinfo, full_path); } if (S_ISREG (stbuf.st_mode) && ((stbuf.st_mode & 01000) == 01000)) { /* TODO: run the defrag */ snprintf (tmp_filename, 1024, "%s/.%s.gfs%zu", dir, entry->d_name, stbuf.st_size); dst_fd = creat (tmp_filename, (stbuf.st_mode & ~01000)); if (dst_fd == -1) continue; src_fd = open (full_path, O_RDONLY); if (src_fd == -1) { close (dst_fd); continue; } while (1) { ret = read (src_fd, defrag->databuf, 131072); if (!ret || (ret < 0)) { close (dst_fd); close (src_fd); break; } ret = write (dst_fd, defrag->databuf, ret); if (ret < 0) { close (dst_fd); close (src_fd); break; } } ret = stat (full_path, &new_stbuf); if (ret < 0) continue; if (new_stbuf.st_mtime != stbuf.st_mtime) continue; ret = rename (tmp_filename, full_path); if (ret != -1) { LOCK (&defrag->lock); { defrag->total_files += 1; defrag->total_data += stbuf.st_size; } UNLOCK (&defrag->lock); } } ret = 0; LOCK (&defrag->lock); { if (S_ISREG (stbuf.st_mode)) defrag->num_files_lookedup += 1; if (volinfo->defrag_status == GF_DEFRAG_STATUS_STOPED) ret = 1; } UNLOCK (&defrag->lock); if (ret) break; /* Write the full 'glusterfs-defrag' here */ } while (1); closedir (fd); if (!entry) ret = 0; out: return ret; } void * glusterd_defrag_start (void *data) { glusterd_volinfo_t *volinfo = data; glusterd_defrag_info_t *defrag = NULL; char cmd_str[1024] = {0,}; int ret = -1; struct stat stbuf = {0,}; defrag = volinfo->defrag; if (!defrag) goto out; sleep (5); ret = stat (defrag->mount, &stbuf); if ((ret == -1) && (errno == ENOTCONN)) { /* Wait for some more time before starting rebalance */ sleep (7); ret = stat (defrag->mount, &stbuf); if (ret == -1) { volinfo->defrag_status = GF_DEFRAG_STATUS_FAILED; volinfo->rebalance_files = 0; volinfo->rebalance_data = 0; volinfo->lookedup_files = 0; goto out; } } ret = glusterd_check_and_rebalance (volinfo, defrag->mount); /* TODO: This should run in a thread, and finish the thread when the task is complete. While defrag is running, keep updating files */ volinfo->defrag_status = GF_DEFRAG_STATUS_COMPLETE; volinfo->rebalance_files = defrag->total_files; volinfo->rebalance_data = defrag->total_data; volinfo->lookedup_files = defrag->num_files_lookedup; out: if (defrag) { gf_log ("defrag", GF_LOG_NORMAL, "defrag on %s complete", defrag->mount); snprintf (cmd_str, 1024, "umount -l %s", defrag->mount); ret = system (cmd_str); LOCK_DESTROY (&defrag->lock); GF_FREE (defrag); } volinfo->defrag = NULL; return NULL; } int glusterd_defrag_stop (glusterd_volinfo_t *volinfo, gf1_cli_defrag_vol_rsp *rsp) { /* TODO: set a variaeble 'stop_defrag' here, it should be checked in defrag loop */ if (!volinfo || !volinfo->defrag) goto out; LOCK (&volinfo->defrag->lock); { volinfo->defrag_status = GF_DEFRAG_STATUS_STOPED; rsp->files = volinfo->defrag->total_files; rsp->size = volinfo->defrag->total_data; } UNLOCK (&volinfo->defrag->lock); rsp->op_ret = 0; out: return 0; } int glusterd_defrag_status_get (glusterd_volinfo_t *volinfo, gf1_cli_defrag_vol_rsp *rsp) { if (!volinfo) goto out; if (volinfo->defrag) { LOCK (&volinfo->defrag->lock); { rsp->files = volinfo->defrag->total_files; rsp->size = volinfo->defrag->total_data; rsp->lookedup_files = volinfo->defrag->num_files_lookedup; } UNLOCK (&volinfo->defrag->lock); } else { rsp->files = volinfo->rebalance_files; rsp->size = volinfo->rebalance_data; rsp->lookedup_files = volinfo->lookedup_files; } rsp->op_errno = volinfo->defrag_status; rsp->op_ret = 0; out: return 0; } int glusterd_handle_defrag_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_defrag_vol_req cli_req = {0,}; glusterd_conf_t *priv = NULL; char cmd_str[4096] = {0,}; glusterd_volinfo_t *volinfo = NULL; glusterd_defrag_info_t *defrag = NULL; gf1_cli_defrag_vol_rsp rsp = {0,}; char operation[8]; GF_ASSERT (req); priv = THIS->private; if (!gf_xdr_to_cli_defrag_vol_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } switch (cli_req.cmd) { case GF_DEFRAG_CMD_START: strcpy (operation, "start"); break; case GF_DEFRAG_CMD_STOP: strcpy (operation, "stop"); break; case GF_DEFRAG_CMD_STATUS: strcpy (operation, "status"); break; default: strcpy (operation, "unknown"); break; } gf_cmd_log ("Volume rebalance","volname: %s cmd:%s", cli_req.volname, operation); gf_log ("glusterd", GF_LOG_NORMAL, "Received defrag volume on %s", cli_req.volname); rsp.volname = cli_req.volname; rsp.op_ret = -1; if (glusterd_volinfo_find(cli_req.volname, &volinfo)) { gf_log ("glusterd", GF_LOG_NORMAL, "Received defrag on invalid" " volname %s", cli_req.volname); goto out; } if (volinfo->status != GLUSTERD_STATUS_STARTED) { gf_log ("glusterd", GF_LOG_NORMAL, "Received defrag on stopped" " volname %s", cli_req.volname); goto out; } switch (cli_req.cmd) { case GF_DEFRAG_CMD_START: { if (volinfo->defrag) { gf_log ("glusterd", GF_LOG_DEBUG, "defrag on volume %s already started", cli_req.volname); goto out; } volinfo->defrag = GF_CALLOC (1, sizeof (glusterd_defrag_info_t), gf_gld_mt_defrag_info); if (!volinfo->defrag) goto out; defrag = volinfo->defrag; LOCK_INIT (&defrag->lock); snprintf (defrag->mount, 1024, "%s/mount/%s", priv->workdir, cli_req.volname); /* Create a directory, mount glusterfs over it, start glusterfs-defrag */ snprintf (cmd_str, 4096, "mkdir -p %s", defrag->mount); ret = system (cmd_str); if (ret) { gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed", cmd_str); goto out; } snprintf (cmd_str, 4096, "%s/sbin/glusterfs -s localhost " "--volfile-id %s --volume-name %s-quick-read " "--xlator-option *dht.unhashed-sticky-bit=yes " "--xlator-option *dht.lookup-unhashed=yes %s", GFS_PREFIX, cli_req.volname, cli_req.volname, defrag->mount); ret = gf_system (cmd_str); if (ret) { gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed", cmd_str); goto out; } volinfo->defrag_status = GF_DEFRAG_STATUS_STARTED; rsp.op_ret = 0; ret = pthread_create (&defrag->th, NULL, glusterd_defrag_start, volinfo); if (ret) { snprintf (cmd_str, 1024, "umount -l %s", defrag->mount); ret = system (cmd_str); rsp.op_ret = -1; } break; } case GF_DEFRAG_CMD_STOP: ret = glusterd_defrag_stop (volinfo, &rsp); break; case GF_DEFRAG_CMD_STATUS: ret = glusterd_defrag_status_get (volinfo, &rsp); break; default: break; } if (ret) gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed",cmd_str); out: ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gf_xdr_serialize_cli_defrag_vol_rsp); gf_cmd_log ("volume rebalance"," on %s %d %s",cli_req.volname, cli_req.cmd, ((ret)?"FAILED":"SUCCESS")); return ret; } int glusterd_handle_cli_get_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_get_vol_req cli_req = {0,}; dict_t *dict = NULL; GF_ASSERT (req); if (!gf_xdr_to_cli_get_vol_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_log ("glusterd", GF_LOG_NORMAL, "Received get vol req"); if (cli_req.dict.dict_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.dict.dict_val, cli_req.dict.dict_len, &dict); if (ret < 0) { gf_log ("glusterd", GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); goto out; } } ret = glusterd_get_volumes (req, dict, cli_req.flags); out: if (dict) dict_unref (dict); return ret; } int glusterd_handle_create_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_create_vol_req cli_req = {0,}; dict_t *dict = NULL; glusterd_brickinfo_t *brickinfo = NULL; char *brick = NULL; char *bricks = NULL; char *volname = NULL; int brick_count = 0; char *tmpptr = NULL; int i = 0; glusterd_peerinfo_t *peerinfo = NULL; char *brick_list = NULL; void *cli_rsp = NULL; char err_str[1048]; gf1_cli_create_vol_rsp rsp = {0,}; glusterd_conf_t *priv = NULL; int err_ret = 0; glusterd_brickinfo_t *tmpbrkinfo = NULL; glusterd_volinfo_t *volinfo = NULL; xlator_t *this = NULL; char *free_ptr = NULL; GF_ASSERT (req); this = THIS; priv = this->private; GF_ASSERT(this); if (!gf_xdr_to_cli_create_vol_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_log ("glusterd", GF_LOG_NORMAL, "Received create volume req"); if (cli_req.bricks.bricks_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.bricks.bricks_val, cli_req.bricks.bricks_len, &dict); if (ret < 0) { gf_log ("glusterd", GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); goto out; } } ret = dict_get_str (dict, "volname", &volname); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get volume name"); goto out; } gf_cmd_log ("Volume create", "volname: %s", volname); if ((ret = glusterd_check_volume_exists (volname))) { snprintf(err_str, 1048, "Volname %s already exists", volname); gf_log ("glusterd", GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } ret = dict_get_int32 (dict, "count", &brick_count); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get count"); goto out; } ret = dict_get_str (dict, "bricks", &bricks); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get bricks"); goto out; } if (bricks) { brick_list = gf_strdup (bricks); free_ptr = brick_list; } gf_cmd_log ("Volume create", "volname: %s type:%s count:%d bricks:%s", cli_req.volname, ((cli_req.type == 0)? "DEFAULT": ((cli_req.type == 1)? "STRIPE":"REPLICATE")), cli_req.count, bricks); while ( i < brick_count) { i++; brick= strtok_r (brick_list, " \n", &tmpptr); brick_list = tmpptr; ret = glusterd_brickinfo_from_brick (brick, &brickinfo); if (ret) goto out; if(!(ret = glusterd_is_local_addr (brickinfo->hostname))) goto brick_validation; //localhost, continue without validation ret = glusterd_friend_find_by_hostname (brickinfo->hostname, &peerinfo); if (ret) { snprintf (err_str, 1048, "Host %s not a friend", brickinfo->hostname); gf_log ("glusterd", GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } if ((!peerinfo->connected) && (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED)) { snprintf(err_str, 1048, "Host %s not connected", brickinfo->hostname); gf_log ("glusterd", GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } brick_validation: list_for_each_entry (volinfo, &priv->volumes, vol_list) { list_for_each_entry (tmpbrkinfo, &volinfo->bricks, brick_list) { if ((!strcmp(brickinfo->hostname, tmpbrkinfo-> hostname) && !strcmp(brickinfo->path, tmpbrkinfo->path))) { snprintf(err_str, 1048, "Brick %s already" " in use", brick); gf_log ("glusterd", GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } } } } ret = glusterd_create_volume (req, dict); out: if (err_ret) { rsp.op_ret = -1; rsp.op_errno = 0; rsp.volname = ""; rsp.op_errstr = err_str; cli_rsp = &rsp; glusterd_submit_reply(req, cli_rsp, NULL, 0, NULL, gf_xdr_serialize_cli_create_vol_rsp); if (!glusterd_opinfo_unlock()) gf_log ("glusterd", GF_LOG_ERROR, "Unlock on opinfo" " failed"); ret = 0; //Client response sent, prevent second response } gf_cmd_log ("Volume create", "on volname:%s %s", volname, ((ret || err_ret) != 0) ? "FAILED": "SUCCESS"); if (free_ptr) GF_FREE(free_ptr); return ret; } int glusterd_handle_cli_start_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_start_vol_req cli_req = {0,}; //dict_t *dict = NULL; int32_t flags = 0; GF_ASSERT (req); if (!gf_xdr_to_cli_start_vol_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_log ("glusterd", GF_LOG_NORMAL, "Received start vol req" "for volume %s", cli_req.volname); ret = glusterd_start_volume (req, cli_req.volname, flags); out: return ret; } int glusterd_handle_cli_stop_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_stop_vol_req cli_req = {0,}; GF_ASSERT (req); if (!gf_xdr_to_cli_stop_vol_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_cmd_log ("volume stop","volname:%s",cli_req.volname); gf_log ("glusterd", GF_LOG_NORMAL, "Received stop vol req" "for volume %s", cli_req.volname); ret = glusterd_stop_volume (req, cli_req.volname, cli_req.flags); out: gf_cmd_log ("Volume stop","on %s %s", cli_req.volname, ((ret)?"FAILED":"SUCCESS")); return ret; } int glusterd_handle_cli_delete_volume (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_delete_vol_req cli_req = {0,}; int32_t flags = 0; GF_ASSERT (req); if (!gf_xdr_to_cli_delete_vol_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_cmd_log ("Volume delete","volname:%s", cli_req.volname); gf_log ("glusterd", GF_LOG_NORMAL, "Received delete vol req" "for volume %s", cli_req.volname); ret = glusterd_delete_volume (req, cli_req.volname, flags); out: gf_cmd_log ("Volume delete", "on volname:%s %s", cli_req.volname, ((ret) ? "FAILED" : "SUCCESS")); return ret; } int glusterd_handle_add_brick (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_add_brick_req cli_req = {0,}; dict_t *dict = NULL; glusterd_brickinfo_t *brickinfo = NULL; char *brick = NULL; char *bricks = NULL; char *volname = NULL; int brick_count = 0; char *tmpptr = NULL; int i = 0; glusterd_peerinfo_t *peerinfo = NULL; char *brick_list = NULL; void *cli_rsp = NULL; char err_str[1048]; gf1_cli_add_brick_rsp rsp = {0,}; glusterd_volinfo_t *volinfo = NULL; glusterd_brickinfo_t *tmpbrkinfo = NULL; int32_t err_ret = 0; glusterd_volinfo_t *tmpvolinfo = NULL; glusterd_conf_t *priv = NULL; xlator_t *this = NULL; this = THIS; priv = this->private; GF_ASSERT(this); GF_ASSERT (req); if (!gf_xdr_to_cli_add_brick_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_cmd_log ("Volume add-brick", "volname:%s", cli_req.volname); gf_log ("glusterd", GF_LOG_NORMAL, "Received add brick req"); if (cli_req.bricks.bricks_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.bricks.bricks_val, cli_req.bricks.bricks_len, &dict); if (ret < 0) { gf_log ("glusterd", GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); goto out; } } ret = dict_get_str (dict, "volname", &volname); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get volume name"); goto out; } if (!(ret = glusterd_check_volume_exists (volname))) { snprintf(err_str, 1048, "Volname %s does not exist", volname); gf_log ("glusterd", GF_LOG_ERROR, "%s", err_str); err_ret = -1; goto out; } ret = dict_get_int32 (dict, "count", &brick_count); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get count"); goto out; } if (!(ret = glusterd_volinfo_find (volname, &volinfo))) { if (volinfo->type == GF_CLUSTER_TYPE_NONE) goto brick_val; if (!brick_count || !volinfo->sub_count) goto brick_val; if ((brick_count % volinfo->sub_count) != 0) { snprintf(err_str, 2048, "Incorrect number of bricks" " supplied %d for type %s with count %d", brick_count, (volinfo->type == 1)? "STRIPE": "REPLICATE", volinfo->sub_count); gf_log("glusterd", GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } } else { gf_log("", GF_LOG_ERROR, "Unable to get volinfo for volname" " %s", volname); goto out; } brick_val: ret = dict_get_str (dict, "bricks", &bricks); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get bricks"); goto out; } if (bricks) brick_list = gf_strdup (bricks); gf_cmd_log ("Volume add-brick", "volname:%s type %s count:%d bricks:%s" ,volname, ((volinfo->type == 0)? "DEFAULT" : ((volinfo->type == 1)? "STRIPE": "REPLICATE")), brick_count, brick_list); while ( i < brick_count) { i++; brick= strtok_r (brick_list, " \n", &tmpptr); brick_list = tmpptr; ret = glusterd_brickinfo_from_brick (brick, &brickinfo); if (ret) goto out; if(!(ret = glusterd_is_local_addr(brickinfo->hostname))) goto brick_validation; //localhost, continue without validation ret = glusterd_friend_find_by_hostname(brickinfo->hostname, &peerinfo); if (ret) { snprintf(err_str, 1048, "Host %s not a friend", brickinfo->hostname); gf_log ("glusterd", GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } if ((!peerinfo->connected) && (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED)) { snprintf(err_str, 1048, "Host %s not connected", brickinfo->hostname); gf_log ("glusterd", GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } brick_validation: list_for_each_entry (tmpvolinfo, &priv->volumes, vol_list) { list_for_each_entry (tmpbrkinfo, &tmpvolinfo->bricks, brick_list) { if ((!strcmp(brickinfo->hostname, tmpbrkinfo-> hostname) && !strcmp(brickinfo->path, tmpbrkinfo->path))) { snprintf(err_str, 1048, "Brick %s already" "in use", brick); gf_log ("glusterd", GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } } } } ret = glusterd_add_brick (req, dict); out: if (err_ret) { rsp.op_ret = -1; rsp.op_errno = 0; rsp.volname = ""; rsp.op_errstr = err_str; cli_rsp = &rsp; glusterd_submit_reply(req, cli_rsp, NULL, 0, NULL, gf_xdr_serialize_cli_add_brick_rsp); if (!glusterd_opinfo_unlock()) gf_log ("glusterd", GF_LOG_ERROR, "Unlock on " "opinfo failed"); ret = 0; //sent error to cli, prevent second reply } gf_cmd_log ("Volume add-brick","on volname %s %s", volname, ((ret || err_ret) != 0)? "FAILED" : "SUCCESS"); return ret; } int glusterd_handle_replace_brick (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_replace_brick_req cli_req = {0,}; dict_t *dict = NULL; char *src_brick = NULL; char *dst_brick = NULL; int32_t op = 0; char operation[8]; GF_ASSERT (req); if (!gf_xdr_to_cli_replace_brick_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_cmd_log ("Volume replace-brick","volname:%s", cli_req.volname); gf_log ("glusterd", GF_LOG_NORMAL, "Received replace brick req"); if (cli_req.bricks.bricks_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.bricks.bricks_val, cli_req.bricks.bricks_len, &dict); if (ret < 0) { gf_log ("glusterd", GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); goto out; } } ret = dict_get_int32 (dict, "operation", &op); if (ret) { gf_log ("", GF_LOG_DEBUG, "dict_get on operation failed"); goto out; } ret = dict_get_str (dict, "src-brick", &src_brick); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get src brick"); goto out; } gf_log ("", GF_LOG_DEBUG, "src brick=%s", src_brick); ret = dict_get_str (dict, "dst-brick", &dst_brick); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get dest brick"); goto out; } gf_log ("", GF_LOG_DEBUG, "dst brick=%s", dst_brick); switch (op) { case GF_REPLACE_OP_START: strcpy (operation, "start"); break; case GF_REPLACE_OP_COMMIT: strcpy (operation, "commit"); break; case GF_REPLACE_OP_PAUSE: strcpy (operation, "pause"); break; case GF_REPLACE_OP_ABORT: strcpy (operation, "abort"); break; case GF_REPLACE_OP_STATUS: strcpy (operation, "status"); break; default:strcpy (operation, "unknown"); break; } gf_cmd_log ("Volume replace-brick","volname:%s src_brick:%s" " dst_brick:%s op:%s",cli_req.volname, src_brick, dst_brick ,operation); ret = glusterd_replace_brick (req, dict); out: gf_cmd_log ("Volume replace-brick","on volname:%s %s", cli_req.volname, (ret) ? "FAILED" : "SUCCESS"); return ret; } int glusterd_handle_remove_brick (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_remove_brick_req cli_req = {0,}; dict_t *dict = NULL; int32_t count = 0; char *brick = NULL; char key[256] = {0,}; char *brick_list = NULL; int i = 1; glusterd_volinfo_t *volinfo = NULL; glusterd_brickinfo_t *brickinfo = NULL; int32_t pos = 0; int32_t sub_volume = 0; int32_t sub_volume_start = 0; int32_t sub_volume_end = 0; glusterd_brickinfo_t *tmp = NULL; int32_t err_ret = 0; char *err_str = NULL; gf1_cli_remove_brick_rsp rsp = {0,}; void *cli_rsp = NULL; GF_ASSERT (req); if (!gf_xdr_to_cli_remove_brick_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_cmd_log ("Volume remove-brick","volname:%s",cli_req.volname); gf_log ("glusterd", GF_LOG_NORMAL, "Received rem brick req"); if (cli_req.bricks.bricks_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (cli_req.bricks.bricks_val, cli_req.bricks.bricks_len, &dict); if (ret < 0) { gf_log ("glusterd", GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); goto out; } } ret = dict_get_int32 (dict, "count", &count); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get count"); goto out; } err_str = GF_MALLOC (2048 * sizeof(*err_str),gf_common_mt_char); if (!err_str) { gf_log ("",GF_LOG_ERROR,"glusterd_handle_remove_brick: " "Unable to get memory"); ret = -1; goto out; } ret = glusterd_volinfo_find (cli_req.volname, &volinfo); if (ret) { snprintf (err_str, 2048, "volname %s not found", cli_req.volname); gf_log ("", GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } if ((volinfo->type == GF_CLUSTER_TYPE_REPLICATE) && !(volinfo->brick_count <= volinfo->sub_count)) { if (volinfo->sub_count && (count % volinfo->sub_count != 0)) { snprintf (err_str, 2048, "Remove brick incorrect" " brick count of %d for replica %d", count, volinfo->sub_count); gf_log ("", GF_LOG_ERROR, "%s", err_str); err_ret = 1; ret = -1; goto out; } } brick_list = GF_MALLOC (120000 * sizeof(brick_list),gf_common_mt_char); if (!brick_list) { gf_log ("",GF_LOG_ERROR,"glusterd_handle_remove_brick: " "Unable to get memory"); ret = -1; goto out; } strcpy (brick_list, " "); while ( i <= count) { snprintf (key, 256, "brick%d", i); ret = dict_get_str (dict, key, &brick); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get %s", key); goto out; } gf_log ("", GF_LOG_DEBUG, "Remove brick count %d brick: %s", i, brick); ret = glusterd_brickinfo_get(brick, volinfo, &brickinfo); if (ret) { snprintf(err_str, 2048," Incorrect brick %s for volname" " %s", brick, cli_req.volname); gf_log ("", GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } strcat(brick_list, brick); strcat(brick_list, " "); i++; if ((volinfo->type != GF_CLUSTER_TYPE_REPLICATE) || (volinfo->brick_count <= volinfo->sub_count)) continue; pos = 0; list_for_each_entry (tmp, &volinfo->bricks, brick_list) { if ((!strcmp (tmp->hostname,brickinfo->hostname)) && !strcmp (tmp->path, brickinfo->path)) { gf_log ("", GF_LOG_NORMAL, "Found brick"); if (!sub_volume && volinfo->sub_count) { sub_volume = (pos / volinfo-> sub_count) + 1; sub_volume_start = volinfo->sub_count * (sub_volume - 1); sub_volume_end = (volinfo->sub_count * sub_volume) -1 ; } else { if (pos < sub_volume_start || pos >sub_volume_end) { ret = -1; snprintf(err_str, 2048,"Bricks" " not from same subvol" " for replica"); gf_log ("",GF_LOG_ERROR, "%s", err_str); err_ret = 1; goto out; } } break; } pos++; } } gf_cmd_log ("Volume remove-brick","volname:%s count:%d bricks:%s", cli_req.volname, count, brick_list); ret = glusterd_remove_brick (req, dict); out: gf_cmd_log ("Volume remove-brick","on volname:%s %s",cli_req.volname, (ret) ? "FAILED" : "SUCCESS"); if (err_ret) { rsp.op_ret = -1; rsp.op_errno = 0; rsp.volname = ""; rsp.op_errstr = err_str; cli_rsp = &rsp; glusterd_submit_reply(req, cli_rsp, NULL, 0, NULL, gf_xdr_serialize_cli_remove_brick_rsp); if (!glusterd_opinfo_unlock()) gf_log ("glusterd", GF_LOG_ERROR, "Unlock on " "opinfo failed"); ret = 0; //sent error to cli, prevent second reply } if (brick_list) GF_FREE (brick_list); if (err_str) GF_FREE (err_str); return ret; } int glusterd_handle_log_filename (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_log_filename_req cli_req = {0,}; dict_t *dict = NULL; GF_ASSERT (req); if (!gf_xdr_to_cli_log_filename_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_log ("glusterd", GF_LOG_NORMAL, "Received log filename req " "for volume %s", cli_req.volname); dict = dict_new (); if (!dict) goto out; ret = dict_set_str (dict, "volname", cli_req.volname); if (ret) goto out; ret = dict_set_str (dict, "brick", cli_req.brick); if (ret) goto out; ret = dict_set_str (dict, "path", cli_req.path); if (ret) goto out; ret = glusterd_log_filename (req, dict); out: return ret; } int glusterd_handle_log_locate (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_log_locate_req cli_req = {0,}; gf1_cli_log_locate_rsp rsp = {0,}; dict_t *dict = NULL; glusterd_conf_t *priv = NULL; glusterd_volinfo_t *volinfo = NULL; glusterd_brickinfo_t *brickinfo = NULL; char tmp_str[PATH_MAX] = {0,}; GF_ASSERT (req); priv = THIS->private; if (!gf_xdr_to_cli_log_locate_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_log ("glusterd", GF_LOG_NORMAL, "Received log locate req " "for volume %s", cli_req.volname); dict = dict_new (); if (!dict) goto out; if (strchr (cli_req.brick, ':')) { /* TODO: need to get info of only that brick and then tell what is the exact location */ gf_log ("", GF_LOG_DEBUG, "brick : %s", cli_req.brick); } ret = glusterd_volinfo_find (cli_req.volname, &volinfo); if (ret) { rsp.path = "request sent on non-existent volume"; goto out; } list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) { if (brickinfo->logfile) { strcpy (tmp_str, brickinfo->logfile); rsp.path = dirname (tmp_str); } else { snprintf (tmp_str, PATH_MAX, "%s/logs/", priv->workdir); rsp.path = tmp_str; } break; } ret = 0; out: rsp.op_ret = ret; if (!rsp.path) rsp.path = ""; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gf_xdr_serialize_cli_log_locate_rsp); return ret; } int glusterd_handle_log_rotate (rpcsvc_request_t *req) { int32_t ret = -1; gf1_cli_log_rotate_req cli_req = {0,}; dict_t *dict = NULL; GF_ASSERT (req); if (!gf_xdr_to_cli_log_rotate_req (req->msg[0], &cli_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } gf_log ("glusterd", GF_LOG_NORMAL, "Received log rotate req " "for volume %s", cli_req.volname); dict = dict_new (); if (!dict) goto out; ret = dict_set_str (dict, "volname", cli_req.volname); if (ret) goto out; ret = dict_set_str (dict, "brick", cli_req.brick); if (ret) goto out; ret = dict_set_uint64 (dict, "rotate-key", (uint64_t)time (NULL)); if (ret) goto out; ret = glusterd_log_rotate (req, dict); out: return ret; } int glusterd_op_lock_send_resp (rpcsvc_request_t *req, int32_t status) { gd1_mgmt_cluster_lock_rsp rsp = {{0},}; int ret = -1; GF_ASSERT (req); glusterd_get_uuid (&rsp.uuid); rsp.op_ret = status; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gd_xdr_serialize_mgmt_cluster_lock_rsp); gf_log ("glusterd", GF_LOG_NORMAL, "Responded, ret: %d", ret); return 0; } int glusterd_op_unlock_send_resp (rpcsvc_request_t *req, int32_t status) { gd1_mgmt_cluster_unlock_rsp rsp = {{0},}; int ret = -1; GF_ASSERT (req); rsp.op_ret = status; glusterd_get_uuid (&rsp.uuid); ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gd_xdr_serialize_mgmt_cluster_unlock_rsp); gf_log ("glusterd", GF_LOG_NORMAL, "Responded to unlock, ret: %d", ret); return ret; } int glusterd_handle_cluster_unlock (rpcsvc_request_t *req) { gd1_mgmt_cluster_unlock_req unlock_req = {{0}, }; int32_t ret = -1; char str[50] = {0, }; glusterd_op_lock_ctx_t *ctx = NULL; GF_ASSERT (req); if (!gd_xdr_to_mgmt_cluster_unlock_req (req->msg[0], &unlock_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } uuid_unparse (unlock_req.uuid, str); gf_log ("glusterd", GF_LOG_NORMAL, "Received UNLOCK from uuid: %s", str); ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_lock_ctx_t); if (!ctx) { //respond here return -1; } uuid_copy (ctx->uuid, unlock_req.uuid); ctx->req = req; ret = glusterd_op_sm_inject_event (GD_OP_EVENT_UNLOCK, ctx); out: return ret; } int glusterd_op_stage_send_resp (rpcsvc_request_t *req, int32_t op, int32_t status) { gd1_mgmt_stage_op_rsp rsp = {{0},}; int ret = -1; GF_ASSERT (req); rsp.op_ret = status; glusterd_get_uuid (&rsp.uuid); rsp.op = op; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gd_xdr_serialize_mgmt_stage_op_rsp); gf_log ("glusterd", GF_LOG_NORMAL, "Responded to stage, ret: %d", ret); return ret; } int glusterd_op_commit_send_resp (rpcsvc_request_t *req, int32_t op, int32_t status) { gd1_mgmt_commit_op_rsp rsp = {{0}, }; int ret = -1; GF_ASSERT (req); rsp.op_ret = status; glusterd_get_uuid (&rsp.uuid); rsp.op = op; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gd_xdr_serialize_mgmt_commit_op_rsp); gf_log ("glusterd", GF_LOG_NORMAL, "Responded to commit, ret: %d", ret); return ret; } int glusterd_handle_incoming_friend_req (rpcsvc_request_t *req) { int32_t ret = -1; gd1_mgmt_friend_req friend_req = {{0},}; char str[50] = {0,}; dict_t *dict = NULL; GF_ASSERT (req); if (!gd_xdr_to_mgmt_friend_req (req->msg[0], &friend_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } uuid_unparse (friend_req.uuid, str); gf_log ("glusterd", GF_LOG_NORMAL, "Received probe from uuid: %s", str); dict = dict_new (); if (!dict) { ret = -1; goto out; } ret = dict_unserialize (friend_req.vols.vols_val, friend_req.vols.vols_len, &dict); if (ret) goto out; ret = glusterd_handle_friend_req (req, friend_req.uuid, friend_req.hostname, friend_req.port, dict); out: return ret; } int glusterd_handle_incoming_unfriend_req (rpcsvc_request_t *req) { int32_t ret = -1; gd1_mgmt_friend_req friend_req = {{0},}; char str[50]; GF_ASSERT (req); if (!gd_xdr_to_mgmt_friend_req (req->msg[0], &friend_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } uuid_unparse (friend_req.uuid, str); gf_log ("glusterd", GF_LOG_NORMAL, "Received unfriend from uuid: %s", str); ret = glusterd_handle_unfriend_req (req, friend_req.uuid, friend_req.hostname, friend_req.port); out: return ret; } int glusterd_handle_friend_update (rpcsvc_request_t *req) { int32_t ret = -1; gd1_mgmt_friend_update friend_req = {{0},}; char str[50] = {0,}; glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *priv = NULL; xlator_t *this = NULL; glusterd_peerinfo_t *tmp = NULL; gd1_mgmt_friend_update_rsp rsp = {{0},}; dict_t *dict = NULL; char key[100] = {0,}; char *uuid_buf = NULL; char *hostname = NULL; int i = 1; int count = 0; uuid_t uuid = {0,}; GF_ASSERT (req); this = THIS; GF_ASSERT (this); priv = this->private; GF_ASSERT (priv); if (!gd_xdr_to_mgmt_friend_update (req->msg[0], &friend_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } uuid_unparse (friend_req.uuid, str); gf_log ("glusterd", GF_LOG_NORMAL, "Received friend update from uuid: %s", str); if (friend_req.friends.friends_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (friend_req.friends.friends_val, friend_req.friends.friends_len, &dict); if (ret < 0) { gf_log ("glusterd", GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); goto out; } } ret = dict_get_int32 (dict, "count", &count); if (ret) goto out; while ( i <= count) { snprintf (key, sizeof (key), "friend%d.uuid", i); ret = dict_get_str (dict, key, &uuid_buf); if (ret) goto out; uuid_parse (uuid_buf, uuid); snprintf (key, sizeof (key), "friend%d.hostname", i); ret = dict_get_str (dict, key, &hostname); if (ret) goto out; gf_log ("", GF_LOG_NORMAL, "Received uuid: %s, hostname:%s", uuid_buf, hostname); if (!uuid_compare (uuid, priv->uuid)) { gf_log ("", GF_LOG_NORMAL, "Received my uuid as Friend"); i++; continue; } ret = glusterd_friend_find (uuid, hostname, &tmp); if (!ret) { i++; continue; } ret = glusterd_friend_add (hostname, friend_req.port, GD_FRIEND_STATE_BEFRIENDED, &uuid, NULL, &peerinfo, 0); i++; } out: uuid_copy (rsp.uuid, priv->uuid); ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gd_xdr_serialize_mgmt_friend_update_rsp); if (dict) dict_unref (dict); return ret; } int glusterd_handle_probe_query (rpcsvc_request_t *req) { int32_t ret = -1; char str[50]; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; gd1_mgmt_probe_req probe_req = {{0},}; gd1_mgmt_probe_rsp rsp = {{0},}; char hostname[1024] = {0}; glusterd_peer_hostname_t *name = NULL; GF_ASSERT (req); probe_req.hostname = hostname; if (!gd_xdr_to_mgmt_probe_req (req->msg[0], &probe_req)) { //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } this = THIS; conf = this->private; uuid_unparse (probe_req.uuid, str); gf_log ("glusterd", GF_LOG_NORMAL, "Received probe from uuid: %s", str); ret = glusterd_peer_hostname_new (probe_req.hostname, &name); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to get new peer_hostname"); } else { list_add_tail (&name->hostname_list, &conf->hostnames); } uuid_copy (rsp.uuid, conf->uuid); rsp.hostname = probe_req.hostname; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gd_xdr_serialize_mgmt_probe_rsp); gf_log ("glusterd", GF_LOG_NORMAL, "Responded to %s, ret: %d", probe_req.hostname, ret); out: return ret; } int glusterd_friend_add (const char *hoststr, int port, glusterd_friend_sm_state_t state, uuid_t *uuid, struct rpc_clnt *rpc, glusterd_peerinfo_t **friend, gf_boolean_t restore) { int ret = 0; glusterd_conf_t *priv = NULL; glusterd_peerinfo_t *peerinfo = NULL; dict_t *options = NULL; struct rpc_clnt_config rpc_cfg = {0,}; glusterd_peer_hostname_t *name = NULL; char *hostname = NULL; priv = THIS->private; peerinfo = GF_CALLOC (1, sizeof(*peerinfo), gf_gld_mt_peerinfo_t); if (!peerinfo) return -1; if (friend) *friend = peerinfo; INIT_LIST_HEAD (&peerinfo->hostnames); peerinfo->state.state = state; if (hoststr) { ret = glusterd_peer_hostname_new ((char *)hoststr, &name); if (ret) goto out; list_add_tail (&peerinfo->hostnames, &name->hostname_list); rpc_cfg.remote_host = gf_strdup (hoststr); peerinfo->hostname = gf_strdup (hoststr); } INIT_LIST_HEAD (&peerinfo->uuid_list); list_add_tail (&peerinfo->uuid_list, &priv->peers); if (uuid) { uuid_copy (peerinfo->uuid, *uuid); } if (hoststr) { options = dict_new (); if (!options) return -1; hostname = gf_strdup((char*)hoststr); if (!hostname) { ret = -1; goto out; } ret = dict_set_str (options, "remote-host", hostname); if (ret) goto out; if (!port) port = GLUSTERD_DEFAULT_PORT; rpc_cfg.remote_port = port; ret = dict_set_int32 (options, "remote-port", port); if (ret) goto out; ret = dict_set_str (options, "transport.address-family", "inet"); if (ret) goto out; rpc = rpc_clnt_init (&rpc_cfg, options, THIS->ctx, THIS->name); if (!rpc) { gf_log ("glusterd", GF_LOG_ERROR, "rpc init failed for peer: %s!", hoststr); ret = -1; goto out; } ret = rpc_clnt_register_notify (rpc, glusterd_rpc_notify, peerinfo); peerinfo->rpc = rpc; } if (!restore) ret = glusterd_store_update_peerinfo (peerinfo); out: gf_log ("glusterd", GF_LOG_NORMAL, "connect returned %d", ret); if (rpc_cfg.remote_host) GF_FREE (rpc_cfg.remote_host); return ret; } int glusterd_probe_begin (rpcsvc_request_t *req, const char *hoststr, int port) { int ret = -1; glusterd_peerinfo_t *peerinfo = NULL; glusterd_friend_sm_event_t *event = NULL; glusterd_probe_ctx_t *ctx = NULL; GF_ASSERT (hoststr); GF_ASSERT (req); ret = glusterd_friend_find (NULL, (char *)hoststr, &peerinfo); if (ret) { gf_log ("glusterd", GF_LOG_NORMAL, "Unable to find peerinfo" " for host: %s (%d)", hoststr, port); ret = glusterd_friend_add ((char *)hoststr, port, GD_FRIEND_STATE_DEFAULT, NULL, NULL, &peerinfo, 0); } ret = glusterd_friend_sm_new_event (GD_FRIEND_EVENT_PROBE, &event); if (ret) { gf_log ("glusterd", GF_LOG_ERROR, "Unable to get new event"); return ret; } ctx = GF_CALLOC (1, sizeof(*ctx), gf_gld_mt_probe_ctx_t); if (!ctx) { return ret; } ctx->hostname = gf_strdup (hoststr); ctx->port = port; ctx->req = req; event->peerinfo = peerinfo; event->ctx = ctx; ret = glusterd_friend_sm_inject_event (event); if (ret) { gf_log ("glusterd", GF_LOG_ERROR, "Unable to inject event %d, " "ret = %d", event->event, ret); return ret; } if (!peerinfo->connected) { return GLUSTERD_CONNECTION_AWAITED; } return ret; } int glusterd_deprobe_begin (rpcsvc_request_t *req, const char *hoststr, int port) { int ret = -1; glusterd_peerinfo_t *peerinfo = NULL; glusterd_friend_sm_event_t *event = NULL; glusterd_probe_ctx_t *ctx = NULL; GF_ASSERT (hoststr); GF_ASSERT (req); ret = glusterd_friend_find (NULL, (char *)hoststr, &peerinfo); if (ret) { gf_log ("glusterd", GF_LOG_NORMAL, "Unable to find peerinfo" " for host: %s %d", hoststr, port); goto out; } if (!peerinfo->rpc) { //handle this case goto out; } ret = glusterd_friend_sm_new_event (GD_FRIEND_EVENT_INIT_REMOVE_FRIEND, &event); if (ret) { gf_log ("glusterd", GF_LOG_ERROR, "Unable to get new event"); return ret; } ctx = GF_CALLOC (1, sizeof(*ctx), gf_gld_mt_probe_ctx_t); if (!ctx) { goto out; } ctx->hostname = gf_strdup (hoststr); ctx->port = port; ctx->req = req; event->ctx = ctx; event->peerinfo = peerinfo; ret = glusterd_friend_sm_inject_event (event); if (ret) { gf_log ("glusterd", GF_LOG_ERROR, "Unable to inject event %d, " "ret = %d", event->event, ret); goto out; } out: return ret; } int glusterd_xfer_friend_remove_resp (rpcsvc_request_t *req, char *hostname, int port) { gd1_mgmt_friend_rsp rsp = {{0}, }; int32_t ret = -1; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; GF_ASSERT (hostname); rsp.op_ret = 0; this = THIS; GF_ASSERT (this); conf = this->private; uuid_copy (rsp.uuid, conf->uuid); rsp.hostname = hostname; rsp.port = port; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gd_xdr_serialize_mgmt_friend_rsp); if (rsp.hostname) GF_FREE (rsp.hostname); gf_log ("glusterd", GF_LOG_NORMAL, "Responded to %s (%d), ret: %d", hostname, port, ret); return ret; } int glusterd_xfer_friend_add_resp (rpcsvc_request_t *req, char *hostname, int port, int32_t op_ret) { gd1_mgmt_friend_rsp rsp = {{0}, }; int32_t ret = -1; xlator_t *this = NULL; glusterd_conf_t *conf = NULL; GF_ASSERT (hostname); rsp.op_ret = op_ret; this = THIS; GF_ASSERT (this); conf = this->private; uuid_copy (rsp.uuid, conf->uuid); rsp.hostname = gf_strdup (hostname); rsp.port = port; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gd_xdr_serialize_mgmt_friend_rsp); gf_log ("glusterd", GF_LOG_NORMAL, "Responded to %s (%d), ret: %d", hostname, port, ret); return ret; } int glusterd_xfer_cli_probe_resp (rpcsvc_request_t *req, int32_t op_ret, int32_t op_errno, char *hostname, int port) { gf1_cli_probe_rsp rsp = {0, }; int32_t ret = -1; GF_ASSERT (req); rsp.op_ret = op_ret; rsp.op_errno = op_errno; rsp.hostname = hostname; rsp.port = port; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gf_xdr_serialize_cli_probe_rsp); gf_log ("glusterd", GF_LOG_NORMAL, "Responded to CLI, ret: %d",ret); return ret; } int glusterd_xfer_cli_deprobe_resp (rpcsvc_request_t *req, int32_t op_ret, int32_t op_errno, char *hostname) { gf1_cli_deprobe_rsp rsp = {0, }; int32_t ret = -1; GF_ASSERT (req); rsp.op_ret = op_ret; rsp.op_errno = op_errno; rsp.hostname = hostname; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gf_xdr_serialize_cli_deprobe_rsp); gf_log ("glusterd", GF_LOG_NORMAL, "Responded to CLI, ret: %d",ret); return ret; } int32_t glusterd_op_txn_begin () { int32_t ret = -1; glusterd_conf_t *priv = NULL; int32_t locked = 0; priv = THIS->private; GF_ASSERT (priv); ret = glusterd_lock (priv->uuid); if (ret) { gf_log ("glusterd", GF_LOG_ERROR, "Unable to acquire local lock, ret: %d", ret); goto out; } locked = 1; gf_log ("glusterd", GF_LOG_NORMAL, "Acquired local lock"); ret = glusterd_op_sm_inject_event (GD_OP_EVENT_START_LOCK, NULL); gf_log ("glusterd", GF_LOG_NORMAL, "Returning %d", ret); out: if (locked && ret) glusterd_unlock (priv->uuid); return ret; } int32_t glusterd_create_volume (rpcsvc_request_t *req, dict_t *dict) { int32_t ret = -1; data_t *data = NULL; GF_ASSERT (req); GF_ASSERT (dict); glusterd_op_set_op (GD_OP_CREATE_VOLUME); glusterd_op_set_ctx (GD_OP_CREATE_VOLUME, dict); glusterd_op_set_ctx_free (GD_OP_CREATE_VOLUME, _gf_true); glusterd_op_set_req (req); data = dict_get (dict, "volname"); if (!data) goto out; data = dict_get (dict, "type"); if (!data) goto out; data = dict_get (dict, "count"); if (!data) goto out; data = dict_get (dict, "bricks"); if (!data) goto out; ret = glusterd_op_txn_begin (); out: return ret; } int32_t glusterd_start_volume (rpcsvc_request_t *req, char *volname, int flags) { int32_t ret = -1; glusterd_op_start_volume_ctx_t *ctx = NULL; GF_ASSERT (req); GF_ASSERT (volname); ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_start_volume_ctx_t); if (!ctx) goto out; strncpy (ctx->volume_name, volname, GD_VOLUME_NAME_MAX); glusterd_op_set_op (GD_OP_START_VOLUME); glusterd_op_set_ctx (GD_OP_START_VOLUME, ctx); glusterd_op_set_ctx_free (GD_OP_START_VOLUME, _gf_true); glusterd_op_set_req (req); ret = glusterd_op_txn_begin (); out: return ret; } int32_t glusterd_stop_volume (rpcsvc_request_t *req, char *volname, int flags) { int32_t ret = -1; dict_t *ctx = NULL; char *dup_volname = NULL; GF_ASSERT (req); GF_ASSERT (volname); ctx = dict_new (); if (!ctx) goto out; dup_volname = gf_strdup(volname); if (!dup_volname) goto out; ret = dict_set_str (ctx, "volname", dup_volname); if (ret) goto out; ret = dict_set_int32 (ctx, "flags", flags); if (ret) goto out; glusterd_op_set_op (GD_OP_STOP_VOLUME); glusterd_op_set_ctx (GD_OP_STOP_VOLUME, ctx); glusterd_op_set_ctx_free (GD_OP_STOP_VOLUME, _gf_true); glusterd_op_set_req (req); ret = glusterd_op_txn_begin (); out: return ret; } int32_t glusterd_delete_volume (rpcsvc_request_t *req, char *volname, int flags) { int32_t ret = -1; glusterd_op_delete_volume_ctx_t *ctx = NULL; GF_ASSERT (req); GF_ASSERT (volname); ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_delete_volume_ctx_t); if (!ctx) goto out; strncpy (ctx->volume_name, volname, GD_VOLUME_NAME_MAX); glusterd_op_set_op (GD_OP_DELETE_VOLUME); glusterd_op_set_ctx (GD_OP_DELETE_VOLUME, ctx); glusterd_op_set_ctx_free (GD_OP_DELETE_VOLUME, _gf_true); glusterd_op_set_req (req); ret = glusterd_op_txn_begin (); out: return ret; } int32_t glusterd_add_brick (rpcsvc_request_t *req, dict_t *dict) { int32_t ret = -1; GF_ASSERT (req); GF_ASSERT (dict); glusterd_op_set_op (GD_OP_ADD_BRICK); glusterd_op_set_ctx (GD_OP_ADD_BRICK, dict); glusterd_op_set_ctx_free (GD_OP_ADD_BRICK, _gf_true); glusterd_op_set_req (req); ret = glusterd_op_txn_begin (); return ret; } int32_t glusterd_replace_brick (rpcsvc_request_t *req, dict_t *dict) { int32_t ret = -1; GF_ASSERT (req); GF_ASSERT (dict); glusterd_op_set_op (GD_OP_REPLACE_BRICK); glusterd_op_set_ctx (GD_OP_REPLACE_BRICK, dict); glusterd_op_set_ctx_free (GD_OP_REPLACE_BRICK, _gf_true); ret = glusterd_op_txn_begin (); return ret; } int32_t glusterd_remove_brick (rpcsvc_request_t *req, dict_t *dict) { int32_t ret = -1; GF_ASSERT (req); GF_ASSERT (dict); glusterd_op_set_op (GD_OP_REMOVE_BRICK); glusterd_op_set_ctx (GD_OP_REMOVE_BRICK, dict); glusterd_op_set_ctx_free (GD_OP_REMOVE_BRICK, _gf_true); glusterd_op_set_req (req); ret = glusterd_op_txn_begin (); return ret; } int32_t glusterd_log_filename (rpcsvc_request_t *req, dict_t *dict) { int32_t ret = -1; GF_ASSERT (req); GF_ASSERT (dict); glusterd_op_set_op (GD_OP_LOG_FILENAME); glusterd_op_set_ctx (GD_OP_LOG_FILENAME, dict); glusterd_op_set_ctx_free (GD_OP_LOG_FILENAME, _gf_true); glusterd_op_set_req (req); ret = glusterd_op_txn_begin (); return ret; } int32_t glusterd_log_rotate (rpcsvc_request_t *req, dict_t *dict) { int32_t ret = -1; GF_ASSERT (req); GF_ASSERT (dict); glusterd_op_set_op (GD_OP_LOG_ROTATE); glusterd_op_set_ctx (GD_OP_LOG_ROTATE, dict); glusterd_op_set_ctx_free (GD_OP_LOG_ROTATE, _gf_true); glusterd_op_set_req (req); ret = glusterd_op_txn_begin (); return ret; } int32_t glusterd_list_friends (rpcsvc_request_t *req, dict_t *dict, int32_t flags) { int32_t ret = -1; glusterd_conf_t *priv = NULL; glusterd_peerinfo_t *entry = NULL; int32_t count = 0; dict_t *friends = NULL; gf1_cli_peer_list_rsp rsp = {0,}; priv = THIS->private; GF_ASSERT (priv); if (!list_empty (&priv->peers)) { friends = dict_new (); if (!friends) { gf_log ("", GF_LOG_WARNING, "Out of Memory"); goto out; } } else { ret = 0; goto out; } if (flags == GF_CLI_LIST_ALL) { list_for_each_entry (entry, &priv->peers, uuid_list) { count++; ret = glusterd_add_peer_detail_to_dict (entry, friends, count); if (ret) goto out; } ret = dict_set_int32 (friends, "count", count); if (ret) goto out; } ret = dict_allocate_and_serialize (friends, &rsp.friends.friends_val, (size_t *)&rsp.friends.friends_len); if (ret) goto out; ret = 0; out: if (ret) { if (friends) dict_unref (friends); } rsp.op_ret = ret; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gf_xdr_serialize_cli_peer_list_rsp); if (rsp.friends.friends_val) GF_FREE (rsp.friends.friends_val); return ret; } int32_t glusterd_get_volumes (rpcsvc_request_t *req, dict_t *dict, int32_t flags) { int32_t ret = -1; glusterd_conf_t *priv = NULL; glusterd_volinfo_t *entry = NULL; int32_t count = 0; dict_t *volumes = NULL; gf1_cli_get_vol_rsp rsp = {0,}; priv = THIS->private; GF_ASSERT (priv); if (!list_empty (&priv->volumes)) { volumes = dict_new (); if (!volumes) { gf_log ("", GF_LOG_WARNING, "Out of Memory"); goto out; } } else { ret = 0; goto out; } if (flags == GF_CLI_GET_VOLUME_ALL) { list_for_each_entry (entry, &priv->volumes, vol_list) { count++; ret = glusterd_add_volume_detail_to_dict (entry, volumes, count); if (ret) goto out; } ret = dict_set_int32 (volumes, "count", count); if (ret) goto out; } ret = dict_allocate_and_serialize (volumes, &rsp.volumes.volumes_val, (size_t *)&rsp.volumes.volumes_len); if (ret) goto out; ret = 0; out: rsp.op_ret = ret; ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, gf_xdr_serialize_cli_peer_list_rsp); if (volumes) dict_unref (volumes); if (rsp.volumes.volumes_val) GF_FREE (rsp.volumes.volumes_val); return ret; } int glusterd_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event, void *data) { xlator_t *this = NULL; char *handshake = "on"; glusterd_conf_t *conf = NULL; int ret = 0; glusterd_peerinfo_t *peerinfo = NULL; peerinfo = mydata; this = THIS; conf = this->private; switch (event) { case RPC_CLNT_CONNECT: { gf_log (this->name, GF_LOG_TRACE, "got RPC_CLNT_CONNECT"); peerinfo->connected = 1; glusterd_friend_sm (); glusterd_op_sm (); if ((ret < 0) || (strcasecmp (handshake, "on"))) { //ret = glusterd_handshake (this, peerinfo->rpc); } else { //conf->rpc->connected = 1; ret = default_notify (this, GF_EVENT_CHILD_UP, NULL); } break; } case RPC_CLNT_DISCONNECT: //Inject friend disconnected here gf_log (this->name, GF_LOG_TRACE, "got RPC_CLNT_DISCONNECT"); peerinfo->connected = 0; //default_notify (this, GF_EVENT_CHILD_DOWN, NULL); break; default: gf_log (this->name, GF_LOG_TRACE, "got some other RPC event %d", event); ret = 0; break; } return ret; }