/* Copyright (c) 2010 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 "rpc-clnt.h" #include "glusterd1-xdr.h" #include "glusterd1.h" #include "compat-errno.h" #include "glusterd-op-sm.h" #include "glusterd-sm.h" #include "glusterd.h" #include "protocol-common.h" #include "glusterd-utils.h" #include #define SERVER_PATH_MAX (16 * 1024) extern glusterd_op_info_t opinfo; int glusterd_null (rpcsvc_request_t *req) { return 0; } int glusterd3_1_probe_cbk (struct rpc_req *req, struct iovec *iov, int count, void *myframe) { gd1_mgmt_probe_rsp rsp = {{0},}; glusterd_conf_t *conf = NULL; int ret = 0; char str[50] = {0,}; glusterd_peerinfo_t *peerinfo = NULL; glusterd_peerinfo_t *dup_peerinfo = NULL; glusterd_friend_sm_event_t *event = NULL; glusterd_peer_hostname_t *name = NULL; glusterd_probe_ctx_t *ctx = NULL; conf = THIS->private; if (-1 == req->rpc_status) { goto out; } ret = gd_xdr_to_mgmt_probe_rsp (*iov, &rsp); if (ret < 0) { gf_log ("", GF_LOG_ERROR, "error"); //rsp.op_ret = -1; //rsp.op_errno = EINVAL; goto out; } uuid_unparse (rsp.uuid, str); gf_log ("glusterd", GF_LOG_NORMAL, "Received probe resp from uuid: %s, host: %s", str, rsp.hostname); if (rsp.op_ret != 0) { ctx = ((call_frame_t *)myframe)->local; ((call_frame_t *)myframe)->local = NULL; GF_ASSERT (ctx); if (ctx->req) { glusterd_xfer_cli_probe_resp (ctx->req, rsp.op_ret, rsp.op_errno, ctx->hostname, ctx->port); } glusterd_destroy_probe_ctx (ctx); (void) glusterd_friend_remove (rsp.uuid, rsp.hostname); ret = rsp.op_ret; goto out; } ret = glusterd_friend_find (rsp.uuid, rsp.hostname, &peerinfo); if (ret) { GF_ASSERT (0); } if (list_empty (&peerinfo->hostnames)) { glusterd_friend_find (NULL, rsp.hostname, &dup_peerinfo); GF_ASSERT (dup_peerinfo); peerinfo->hostname = gf_strdup (rsp.hostname); glusterd_peer_hostname_new (rsp.hostname, &name); list_add_tail (&name->hostname_list, &peerinfo->hostnames); peerinfo->rpc = dup_peerinfo->rpc; peerinfo->connected = dup_peerinfo->connected; glusterd_peer_destroy (dup_peerinfo); } if (!peerinfo->hostname) peerinfo->hostname = gf_strdup (rsp.hostname); uuid_copy (peerinfo->uuid, rsp.uuid); ret = glusterd_friend_sm_new_event (GD_FRIEND_EVENT_INIT_FRIEND_REQ, &event); if (ret) { gf_log ("glusterd", GF_LOG_ERROR, "Unable to get event"); goto out; } event->peerinfo = peerinfo; event->ctx = ((call_frame_t *)myframe)->local; ((call_frame_t *)myframe)->local = NULL; ret = glusterd_friend_sm_inject_event (event); if (!ret) { glusterd_friend_sm (); glusterd_op_sm (); } gf_log ("glusterd", GF_LOG_NORMAL, "Received resp to probe req"); out: if (rsp.hostname) free (rsp.hostname);//malloced by xdr GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe)); return ret; } int glusterd3_1_friend_add_cbk (struct rpc_req * req, struct iovec *iov, int count, void *myframe) { gd1_mgmt_friend_rsp rsp = {{0},}; glusterd_conf_t *conf = NULL; int ret = -1; glusterd_friend_sm_event_t *event = NULL; glusterd_friend_sm_event_type_t event_type = GD_FRIEND_EVENT_NONE; glusterd_peerinfo_t *peerinfo = NULL; char str[50] = {0,}; int32_t op_ret = -1; int32_t op_errno = -1; glusterd_probe_ctx_t *ctx = NULL; glusterd_friend_update_ctx_t *ev_ctx = NULL; conf = THIS->private; if (-1 == req->rpc_status) { rsp.op_ret = -1; rsp.op_errno = EINVAL; goto out; } ret = gd_xdr_to_mgmt_friend_rsp (*iov, &rsp); if (ret < 0) { gf_log ("", GF_LOG_ERROR, "error"); rsp.op_ret = -1; rsp.op_errno = EINVAL; goto out; } uuid_unparse (rsp.uuid, str); op_ret = rsp.op_ret; op_errno = rsp.op_errno; gf_log ("glusterd", GF_LOG_NORMAL, "Received %s from uuid: %s, host: %s, port: %d", (op_ret)?"RJT":"ACC", str, rsp.hostname, rsp.port); ret = glusterd_friend_find (rsp.uuid, rsp.hostname, &peerinfo); if (ret) { GF_ASSERT (0); } if (op_ret) event_type = GD_FRIEND_EVENT_RCVD_RJT; else event_type = GD_FRIEND_EVENT_RCVD_ACC; ret = glusterd_friend_sm_new_event (event_type, &event); if (ret) { gf_log ("glusterd", GF_LOG_ERROR, "Unable to get event"); goto out; } event->peerinfo = peerinfo; ev_ctx = GF_CALLOC (1, sizeof (*ev_ctx), gf_gld_mt_friend_update_ctx_t); if (!ev_ctx) { ret = -1; goto out; } uuid_copy (ev_ctx->uuid, rsp.uuid); ev_ctx->hostname = gf_strdup (rsp.hostname); event->ctx = ev_ctx; ret = glusterd_friend_sm_inject_event (event); if (ret) goto out; ctx = ((call_frame_t *)myframe)->local; ((call_frame_t *)myframe)->local = NULL; GF_ASSERT (ctx); if (ctx->req)//reverse probe doesnt have req ret = glusterd_xfer_cli_probe_resp (ctx->req, op_ret, op_errno, ctx->hostname, ctx->port); if (!ret) { glusterd_friend_sm (); glusterd_op_sm (); } if (ctx) glusterd_destroy_probe_ctx (ctx); out: if (rsp.hostname) free (rsp.hostname);//malloced by xdr GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe)); return ret; } int glusterd3_1_friend_remove_cbk (struct rpc_req * req, struct iovec *iov, int count, void *myframe) { gd1_mgmt_friend_rsp rsp = {{0},}; glusterd_conf_t *conf = NULL; int ret = -1; glusterd_friend_sm_event_t *event = NULL; glusterd_friend_sm_event_type_t event_type = GD_FRIEND_EVENT_NONE; glusterd_peerinfo_t *peerinfo = NULL; char str[50] = {0,}; int32_t op_ret = -1; int32_t op_errno = -1; glusterd_probe_ctx_t *ctx = NULL; conf = THIS->private; GF_ASSERT (conf); ctx = ((call_frame_t *)myframe)->local; ((call_frame_t *)myframe)->local = NULL; GF_ASSERT (ctx); if (-1 == req->rpc_status) { rsp.op_ret = -1; rsp.op_errno = EINVAL; goto inject; } ret = gd_xdr_to_mgmt_friend_rsp (*iov, &rsp); if (ret < 0) { gf_log ("", GF_LOG_ERROR, "error"); rsp.op_ret = -1; rsp.op_errno = EINVAL; goto respond; } uuid_unparse (rsp.uuid, str); op_ret = rsp.op_ret; op_errno = rsp.op_errno; gf_log ("glusterd", GF_LOG_NORMAL, "Received %s from uuid: %s, host: %s, port: %d", (op_ret)?"RJT":"ACC", str, rsp.hostname, rsp.port); if (op_ret) goto respond; inject: ret = glusterd_friend_find (rsp.uuid, ctx->hostname, &peerinfo); if (ret) { //can happen as part of rpc clnt connection cleanup //when the frame timeout happens after 30 minutes goto respond; } event_type = GD_FRIEND_EVENT_REMOVE_FRIEND; ret = glusterd_friend_sm_new_event (event_type, &event); if (ret) { gf_log ("glusterd", GF_LOG_ERROR, "Unable to get event"); goto respond; } event->peerinfo = peerinfo; ret = glusterd_friend_sm_inject_event (event); if (ret) goto respond; glusterd_friend_sm (); glusterd_op_sm (); op_ret = 0; respond: ret = glusterd_xfer_cli_deprobe_resp (ctx->req, op_ret, op_errno, ctx->hostname); if (!ret) { glusterd_friend_sm (); glusterd_op_sm (); } if (ctx) { glusterd_broadcast_friend_delete (ctx->hostname, NULL); glusterd_destroy_probe_ctx (ctx); } if (rsp.hostname) free (rsp.hostname);//malloced by xdr GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe)); return ret; } int32_t glusterd3_1_friend_update_cbk (struct rpc_req *req, struct iovec *iov, int count, void *myframe) { gd1_mgmt_cluster_lock_rsp rsp = {{0},}; int ret = -1; int32_t op_ret = 0; char str[50] = {0,}; GF_ASSERT (req); if (-1 == req->rpc_status) { rsp.op_ret = -1; rsp.op_errno = EINVAL; goto out; } /* ret = gd_xdr_to_mgmt_friend_update_rsp (*iov, &rsp); if (ret < 0) { gf_log ("", GF_LOG_ERROR, "error"); rsp.op_ret = -1; rsp.op_errno = EINVAL; goto out; } uuid_unparse (rsp.uuid, str); op_ret = rsp.op_ret; */ gf_log ("glusterd", GF_LOG_NORMAL, "Received %s from uuid: %s", (op_ret)?"RJT":"ACC", str); out: GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe)); return ret; } int32_t glusterd3_1_cluster_lock_cbk (struct rpc_req *req, struct iovec *iov, int count, void *myframe) { gd1_mgmt_cluster_lock_rsp rsp = {{0},}; int ret = -1; int32_t op_ret = -1; glusterd_op_sm_event_type_t event_type = GD_OP_EVENT_NONE; glusterd_peerinfo_t *peerinfo = NULL; char str[50] = {0,}; GF_ASSERT (req); if (-1 == req->rpc_status) { rsp.op_ret = -1; rsp.op_errno = EINVAL; goto out; } ret = gd_xdr_to_mgmt_cluster_lock_rsp (*iov, &rsp); if (ret < 0) { gf_log ("", GF_LOG_ERROR, "error"); rsp.op_ret = -1; rsp.op_errno = EINVAL; goto out; } uuid_unparse (rsp.uuid, str); op_ret = rsp.op_ret; gf_log ("glusterd", GF_LOG_NORMAL, "Received %s from uuid: %s", (op_ret)?"RJT":"ACC", str); ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo); if (ret) { gf_log ("", GF_LOG_CRITICAL, "Lock response received from " "unknown peer: %s", str); } if (op_ret) { event_type = GD_OP_EVENT_RCVD_RJT; opinfo.op_ret = op_ret; } else { event_type = GD_OP_EVENT_RCVD_ACC; } ret = glusterd_op_sm_inject_event (event_type, NULL); if (!ret) { glusterd_friend_sm (); glusterd_op_sm (); } out: GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe)); return ret; } int32_t glusterd3_1_cluster_unlock_cbk (struct rpc_req *req, struct iovec *iov, int count, void *myframe) { gd1_mgmt_cluster_lock_rsp rsp = {{0},}; int ret = -1; int32_t op_ret = -1; glusterd_op_sm_event_type_t event_type = GD_OP_EVENT_NONE; glusterd_peerinfo_t *peerinfo = NULL; char str[50] = {0,}; GF_ASSERT (req); if (-1 == req->rpc_status) { rsp.op_ret = -1; rsp.op_errno = EINVAL; goto out; } ret = gd_xdr_to_mgmt_cluster_unlock_rsp (*iov, &rsp); if (ret < 0) { gf_log ("", GF_LOG_ERROR, "error"); rsp.op_ret = -1; rsp.op_errno = EINVAL; goto out; } uuid_unparse (rsp.uuid, str); op_ret = rsp.op_ret; gf_log ("glusterd", GF_LOG_NORMAL, "Received %s from uuid: %s", (op_ret)?"RJT":"ACC", str); ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo); if (ret) { gf_log ("", GF_LOG_CRITICAL, "Unlock response received from " "unknown peer %s", str); } if (op_ret) { event_type = GD_OP_EVENT_RCVD_RJT; opinfo.op_ret = op_ret; } else { event_type = GD_OP_EVENT_RCVD_ACC; } ret = glusterd_op_sm_inject_event (event_type, NULL); if (!ret) { glusterd_friend_sm (); glusterd_op_sm (); } out: GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe)); return ret; } int32_t glusterd3_1_stage_op_cbk (struct rpc_req *req, struct iovec *iov, int count, void *myframe) { gd1_mgmt_stage_op_rsp rsp = {{0},}; int ret = -1; int32_t op_ret = -1; glusterd_op_sm_event_type_t event_type = GD_OP_EVENT_NONE; glusterd_peerinfo_t *peerinfo = NULL; char str[50] = {0,}; GF_ASSERT (req); if (-1 == req->rpc_status) { rsp.op_ret = -1; rsp.op_errno = EINVAL; rsp.op_errstr = "error"; goto out; } ret = gd_xdr_to_mgmt_stage_op_rsp (*iov, &rsp); if (ret < 0) { gf_log ("", GF_LOG_ERROR, "error"); rsp.op_ret = -1; rsp.op_errno = EINVAL; rsp.op_errstr = "error"; goto out; } uuid_unparse (rsp.uuid, str); op_ret = rsp.op_ret; gf_log ("glusterd", GF_LOG_NORMAL, "Received %s from uuid: %s", (op_ret)?"RJT":"ACC", str); ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo); if (ret) { gf_log ("", GF_LOG_CRITICAL, "Stage response received from " "unknown peer: %s", str); } if (op_ret) { event_type = GD_OP_EVENT_RCVD_RJT; opinfo.op_ret = op_ret; opinfo.op_errstr = gf_strdup(rsp.op_errstr); if (!opinfo.op_errstr) { gf_log ("", GF_LOG_ERROR, "memory allocation failed"); ret = -1; goto out; } } else { event_type = GD_OP_EVENT_RCVD_ACC; } ret = glusterd_op_sm_inject_event (event_type, NULL); if (!ret) { glusterd_friend_sm (); glusterd_op_sm (); } out: if (rsp.op_errstr && strcmp (rsp.op_errstr, "error")) free (rsp.op_errstr); //malloced by xdr GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe)); return ret; } static int32_t glusterd_sync_use_rsp_dict (dict_t *rsp_dict) { int ret = 0; GF_ASSERT (rsp_dict); if (!rsp_dict) { goto out; } ret = glusterd_import_friend_volumes (rsp_dict); out: return ret; } static int32_t glusterd_rb_use_rsp_dict (dict_t *rsp_dict) { int32_t src_port = 0; int ret = 0; dict_t *ctx = NULL; if (rsp_dict) { ret = dict_get_int32 (rsp_dict, "src-brick-port", &src_port); if (ret) { gf_log ("", GF_LOG_DEBUG, "src-brick-port not present"); ret = 0; goto out; } if (src_port) { ctx = glusterd_op_get_ctx (GD_OP_REPLACE_BRICK); if (!ctx) { gf_log ("", GF_LOG_ERROR, "Operation Context is not present"); ret = 0; goto out; } ret = dict_set_int32 (ctx, "src-brick-port", src_port); if (ret) { gf_log ("", GF_LOG_DEBUG, "Could not set src-brick"); goto out; } } } out: return ret; } int32_t glusterd3_1_commit_op_cbk (struct rpc_req *req, struct iovec *iov, int count, void *myframe) { gd1_mgmt_commit_op_rsp rsp = {{0},}; int ret = -1; int32_t op_ret = -1; glusterd_op_sm_event_type_t event_type = GD_OP_EVENT_NONE; glusterd_peerinfo_t *peerinfo = NULL; char str[50] = {0,}; dict_t *dict = NULL; GF_ASSERT (req); if (-1 == req->rpc_status) { rsp.op_ret = -1; rsp.op_errno = EINVAL; rsp.op_errstr = "error"; goto out; } ret = gd_xdr_to_mgmt_commit_op_rsp (*iov, &rsp); if (ret < 0) { gf_log ("", GF_LOG_ERROR, "error"); rsp.op_ret = -1; rsp.op_errno = EINVAL; rsp.op_errstr = "error"; goto out; } uuid_unparse (rsp.uuid, str); if (rsp.dict.dict_len) { /* Unserialize the dictionary */ dict = dict_new (); ret = dict_unserialize (rsp.dict.dict_val, rsp.dict.dict_len, &dict); if (ret < 0) { gf_log ("glusterd", GF_LOG_ERROR, "failed to " "unserialize rsp-buffer to dictionary"); goto out; } else { dict->extra_stdfree = rsp.dict.dict_val; } } op_ret = rsp.op_ret; gf_log ("glusterd", GF_LOG_NORMAL, "Received %s from uuid: %s", (op_ret)?"RJT":"ACC", str); ret = glusterd_friend_find (rsp.uuid, NULL, &peerinfo); if (ret) { gf_log ("", GF_LOG_CRITICAL, "Commit response received from " "unknown peer: %s", str); } if (op_ret) { event_type = GD_OP_EVENT_RCVD_RJT; opinfo.op_ret = op_ret; opinfo.op_errstr = gf_strdup(rsp.op_errstr); if (!opinfo.op_errstr) { gf_log ("", GF_LOG_ERROR, "memory allocation failed"); ret = -1; goto out; } } else { switch (rsp.op) { case GD_OP_REPLACE_BRICK: ret = glusterd_rb_use_rsp_dict (dict); if (ret) goto out; break; case GD_OP_SYNC_VOLUME: ret = glusterd_sync_use_rsp_dict (dict); if (ret) goto out; break; default: break; } event_type = GD_OP_EVENT_RCVD_ACC; } ret = glusterd_op_sm_inject_event (event_type, NULL); if (!ret) { glusterd_friend_sm (); glusterd_op_sm (); } out: if (dict) dict_unref (dict); if (rsp.op_errstr && strcmp (rsp.op_errstr, "error")) free (rsp.op_errstr); //malloced by xdr GLUSTERD_STACK_DESTROY (((call_frame_t *)myframe)); return ret; } int32_t glusterd3_1_probe (call_frame_t *frame, xlator_t *this, void *data) { gd1_mgmt_probe_req req = {{0},}; int ret = 0; int port = 0; char *hostname = NULL; glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *priv = NULL; dict_t *dict = NULL; if (!frame || !this || !data) { ret = -1; goto out; } dict = data; priv = this->private; GF_ASSERT (priv); ret = dict_get_str (dict, "hostname", &hostname); if (ret) goto out; ret = dict_get_int32 (dict, "port", &port); if (ret) port = GF_DEFAULT_BASE_PORT; ret = glusterd_friend_find (NULL, hostname, &peerinfo); if (ret) { //We should not reach this state ideally GF_ASSERT (0); goto out; } uuid_copy (req.uuid, priv->uuid); req.hostname = gf_strdup (hostname); req.port = port; ret = glusterd_submit_request (peerinfo, &req, frame, priv->mgmt, GD_MGMT_PROBE_QUERY, NULL, gd_xdr_from_mgmt_probe_req, this, glusterd3_1_probe_cbk); out: if (req.hostname) GF_FREE (req.hostname); gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int32_t glusterd3_1_friend_add (call_frame_t *frame, xlator_t *this, void *data) { gd1_mgmt_friend_req req = {{0},}; int ret = 0; glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *priv = NULL; glusterd_friend_sm_event_t *event = NULL; glusterd_friend_req_ctx_t *ctx = NULL; dict_t *vols = NULL; if (!frame || !this || !data) { ret = -1; goto out; } event = data; priv = this->private; GF_ASSERT (priv); ctx = event->ctx; peerinfo = event->peerinfo; ret = glusterd_build_volume_dict (&vols); if (ret) goto out; uuid_copy (req.uuid, priv->uuid); req.hostname = peerinfo->hostname; req.port = peerinfo->port; ret = dict_allocate_and_serialize (vols, &req.vols.vols_val, (size_t *)&req.vols.vols_len); if (ret) goto out; ret = glusterd_submit_request (peerinfo, &req, frame, priv->mgmt, GD_MGMT_FRIEND_ADD, NULL, gd_xdr_from_mgmt_friend_req, this, glusterd3_1_friend_add_cbk); out: if (req.vols.vols_val) GF_FREE (req.vols.vols_val); if (vols) dict_unref (vols); gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int32_t glusterd3_1_friend_remove (call_frame_t *frame, xlator_t *this, void *data) { gd1_mgmt_friend_req req = {{0},}; int ret = 0; glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *priv = NULL; glusterd_friend_sm_event_t *event = NULL; glusterd_probe_ctx_t *ctx = NULL; glusterd_friend_sm_event_t *new_event = NULL; glusterd_friend_sm_event_type_t event_type = GD_FRIEND_EVENT_NONE; if (!frame || !this || !data) { ret = -1; goto out; } event = data; priv = this->private; GF_ASSERT (priv); ctx = event->ctx; peerinfo = event->peerinfo; ret = -1; if (peerinfo->connected) { uuid_copy (req.uuid, priv->uuid); req.hostname = peerinfo->hostname; req.port = peerinfo->port; ret = glusterd_submit_request (peerinfo, &req, frame, priv->mgmt, GD_MGMT_FRIEND_REMOVE, NULL, gd_xdr_from_mgmt_friend_req, this, glusterd3_1_friend_remove_cbk); } else { event_type = GD_FRIEND_EVENT_REMOVE_FRIEND; ret = glusterd_friend_sm_new_event (event_type, &new_event); if (!ret) { new_event->peerinfo = peerinfo; ret = glusterd_friend_sm_inject_event (new_event); } else { gf_log ("glusterd", GF_LOG_ERROR, "Unable to get event"); } if (ctx) ret = glusterd_xfer_cli_deprobe_resp (ctx->req, ret, 0, ctx->hostname); glusterd_friend_sm (); glusterd_op_sm (); if (ctx) { glusterd_broadcast_friend_delete (ctx->hostname, NULL); glusterd_destroy_probe_ctx (ctx); } } out: gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int32_t glusterd3_1_friend_update (call_frame_t *frame, xlator_t *this, void *data) { gd1_mgmt_friend_update req = {{0},}; int ret = 0; glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *priv = NULL; glusterd_friend_update_ctx_t *ctx = NULL; dict_t *friends = NULL; char key[100] = {0,}; char uuid_buf[50] = {0,}; char *dup_buf = NULL; int32_t count = 0; char *dict_buf = NULL; size_t len = -1; call_frame_t *dummy_frame = NULL; if ( !this || !data) { ret = -1; goto out; } ctx = data; friends = dict_new (); if (!friends) goto out; priv = this->private; GF_ASSERT (priv); snprintf (key, sizeof (key), "op"); ret = dict_set_int32 (friends, key, ctx->op); if (ret) goto out; if (GD_FRIEND_UPDATE_ADD == ctx->op) { list_for_each_entry (peerinfo, &priv->peers, uuid_list) { count++; uuid_unparse (peerinfo->uuid, uuid_buf); snprintf (key, sizeof (key), "friend%d.uuid", count); dup_buf = gf_strdup (uuid_buf); ret = dict_set_dynstr (friends, key, dup_buf); if (ret) goto out; snprintf (key, sizeof (key), "friend%d.hostname", count); ret = dict_set_str (friends, key, peerinfo->hostname); if (ret) goto out; gf_log ("", GF_LOG_NORMAL, "Added uuid: %s, host: %s", dup_buf, peerinfo->hostname); } } else { snprintf (key, sizeof (key), "hostname"); ret = dict_set_str (friends, key, ctx->hostname); if (ret) goto out; } ret = dict_set_int32 (friends, "count", count); if (ret) goto out; ret = dict_allocate_and_serialize (friends, &dict_buf, (size_t *)&len); if (ret) goto out; req.friends.friends_val = dict_buf; req.friends.friends_len = len; uuid_copy (req.uuid, priv->uuid); list_for_each_entry (peerinfo, &priv->peers, uuid_list) { if (!peerinfo->connected) continue; dummy_frame = create_frame (this, this->ctx->pool); ret = glusterd_submit_request (peerinfo, &req, dummy_frame, priv->mgmt, GD_MGMT_FRIEND_UPDATE, NULL, gd_xdr_from_mgmt_friend_update, this, glusterd3_1_friend_update_cbk); } out: if (friends) dict_unref (friends); if (req.friends.friends_val) GF_FREE (req.friends.friends_val); gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int32_t glusterd3_1_cluster_lock (call_frame_t *frame, xlator_t *this, void *data) { gd1_mgmt_cluster_lock_req req = {{0},}; int ret = 0; glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *priv = NULL; call_frame_t *dummy_frame = NULL; int32_t pending_lock = 0; if (!this) { ret = -1; goto out; } priv = this->private; glusterd_get_uuid (&req.uuid); GF_ASSERT (priv); list_for_each_entry (peerinfo, &priv->peers, uuid_list) { GF_ASSERT (peerinfo); if (!peerinfo->connected) continue; if ((peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) && (glusterd_op_get_op() != GD_OP_SYNC_VOLUME)) continue; dummy_frame = create_frame (this, this->ctx->pool); if (!dummy_frame) continue; ret = glusterd_submit_request (peerinfo, &req, dummy_frame, priv->mgmt, GD_MGMT_CLUSTER_LOCK, NULL, gd_xdr_from_mgmt_cluster_lock_req, this, glusterd3_1_cluster_lock_cbk); if (!ret) pending_lock++; //TODO: Instead of keeping count, maintain a list of locked //UUIDs. } gf_log ("glusterd", GF_LOG_NORMAL, "Sent lock req to %d peers", pending_lock); opinfo.pending_count = pending_lock; out: gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int32_t glusterd3_1_cluster_unlock (call_frame_t *frame, xlator_t *this, void *data) { gd1_mgmt_cluster_lock_req req = {{0},}; int ret = 0; glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *priv = NULL; int32_t pending_unlock = 0; call_frame_t *dummy_frame = NULL; if (!this ) { ret = -1; goto out; } priv = this->private; glusterd_get_uuid (&req.uuid); GF_ASSERT (priv); list_for_each_entry (peerinfo, &priv->peers, uuid_list) { GF_ASSERT (peerinfo); if (!peerinfo->connected) continue; if ((peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) && (glusterd_op_get_op() != GD_OP_SYNC_VOLUME)) continue; dummy_frame = create_frame (this, this->ctx->pool); if (!dummy_frame) continue; ret = glusterd_submit_request (peerinfo, &req, dummy_frame, priv->mgmt, GD_MGMT_CLUSTER_UNLOCK, NULL, gd_xdr_from_mgmt_cluster_unlock_req, this, glusterd3_1_cluster_unlock_cbk); if (!ret) pending_unlock++; //TODO: Instead of keeping count, maintain a list of locked //UUIDs. } gf_log ("glusterd", GF_LOG_NORMAL, "Sent unlock req to %d peers", pending_unlock); opinfo.pending_count = pending_unlock; out: gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int32_t glusterd3_1_stage_op (call_frame_t *frame, xlator_t *this, void *data) { gd1_mgmt_stage_op_req *req = NULL; int ret = 0; glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *priv = NULL; int32_t pending_peer = 0; int i = 0; call_frame_t *dummy_frame = NULL; char *op_errstr = NULL; if (!this) { ret = -1; goto out; } priv = this->private; GF_ASSERT (priv); for ( i = GD_OP_NONE; i < GD_OP_MAX; i++) { if (opinfo.pending_op[i]) break; } if (GD_OP_MAX == i) { //No pending ops, inject stage_acc ret = glusterd_op_sm_inject_event (GD_OP_EVENT_STAGE_ACC, NULL); return ret; } glusterd_op_clear_pending_op (i); ret = glusterd_op_build_payload (i, &req); if (ret) goto out; ret = glusterd_op_stage_validate (req, &op_errstr); if (ret) { gf_log ("", GF_LOG_ERROR, "Staging failed"); opinfo.op_errstr = op_errstr; goto out; } list_for_each_entry (peerinfo, &priv->peers, uuid_list) { GF_ASSERT (peerinfo); if (!peerinfo->connected) continue; if ((peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) && (glusterd_op_get_op() != GD_OP_SYNC_VOLUME)) continue; dummy_frame = create_frame (this, this->ctx->pool); if (!dummy_frame) continue; ret = glusterd_submit_request (peerinfo, req, dummy_frame, priv->mgmt, GD_MGMT_STAGE_OP, NULL, gd_xdr_from_mgmt_stage_op_req, this, glusterd3_1_stage_op_cbk); if (!ret) pending_peer++; //TODO: Instead of keeping count, maintain a list of pending //UUIDs. } gf_log ("glusterd", GF_LOG_NORMAL, "Sent op req to %d peers", pending_peer); opinfo.pending_count = pending_peer; out: if (ret) { glusterd_op_sm_inject_event (GD_OP_EVENT_RCVD_RJT, NULL); opinfo.op_ret = ret; } if (req) { GF_FREE (req->buf.buf_val); GF_FREE (req); } gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int32_t glusterd3_1_commit_op (call_frame_t *frame, xlator_t *this, void *data) { gd1_mgmt_commit_op_req *req = NULL; int ret = 0; glusterd_peerinfo_t *peerinfo = NULL; glusterd_conf_t *priv = NULL; int32_t pending_peer = 0; int i = 0; call_frame_t *dummy_frame = NULL; char *op_errstr = NULL; if (!this) { ret = -1; goto out; } priv = this->private; GF_ASSERT (priv); for ( i = GD_OP_NONE; i < GD_OP_MAX; i++) { if (opinfo.commit_op[i]) break; } if (GD_OP_MAX == i) { //No pending ops, return return ret; } glusterd_op_clear_commit_op (i); ret = glusterd_op_build_payload (i, (gd1_mgmt_stage_op_req **)&req); if (ret) goto out; ret = glusterd_op_commit_perform ((gd1_mgmt_stage_op_req *)req, &op_errstr, NULL);//rsp_dict invalid for source if (ret) { gf_log ("", GF_LOG_ERROR, "Commit failed"); opinfo.op_errstr = op_errstr; goto out; } list_for_each_entry (peerinfo, &priv->peers, uuid_list) { GF_ASSERT (peerinfo); if (!peerinfo->connected) continue; if ((peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED) && (glusterd_op_get_op() != GD_OP_SYNC_VOLUME)) continue; dummy_frame = create_frame (this, this->ctx->pool); if (!dummy_frame) continue; ret = glusterd_submit_request (peerinfo, req, dummy_frame, priv->mgmt, GD_MGMT_COMMIT_OP, NULL, gd_xdr_from_mgmt_commit_op_req, this, glusterd3_1_commit_op_cbk); if (!ret) pending_peer++; //TODO: Instead of keeping count, maintain a list of pending //UUIDs. } gf_log ("glusterd", GF_LOG_NORMAL, "Sent op req to %d peers", pending_peer); opinfo.pending_count = pending_peer; out: if (ret) { glusterd_op_sm_inject_event (GD_OP_EVENT_RCVD_RJT, NULL); opinfo.op_ret = ret; } if (req) { GF_FREE (req->buf.buf_val); GF_FREE (req); } gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret); return ret; } int glusterd_handle_rpc_msg (rpcsvc_request_t *req) { int ret = -1; gf_boolean_t is_cli_req = _gf_false; char *op_errstr = NULL; GF_ASSERT (req); is_cli_req = glusterd_is_cli_op_req (req->procnum); if (is_cli_req) { ret = glusterd_op_set_cli_op (req->procnum); if (ret) { gf_log ("", GF_LOG_ERROR, "Unable to set cli op: %d", ret); goto out; } } switch (req->procnum) { case GD_MGMT_PROBE_QUERY: ret = glusterd_handle_probe_query (req); break; case GD_MGMT_FRIEND_ADD: ret = glusterd_handle_incoming_friend_req (req); if (ret == GLUSTERD_CONNECTION_AWAITED) return 0; break; case GD_MGMT_CLUSTER_LOCK: ret = glusterd_handle_cluster_lock (req); break; case GD_MGMT_CLUSTER_UNLOCK: ret = glusterd_handle_cluster_unlock (req); break; case GD_MGMT_STAGE_OP: ret = glusterd_handle_stage_op (req); break; case GD_MGMT_COMMIT_OP: ret = glusterd_handle_commit_op (req); break; case GD_MGMT_CLI_PROBE: ret = glusterd_handle_cli_probe (req); if (ret == GLUSTERD_CONNECTION_AWAITED) return 0; break; case GD_MGMT_CLI_CREATE_VOLUME: ret = glusterd_handle_create_volume (req); break; case GD_MGMT_CLI_DEPROBE: ret = glusterd_handle_cli_deprobe (req); break; case GD_MGMT_FRIEND_REMOVE: ret = glusterd_handle_incoming_unfriend_req (req); break; case GD_MGMT_CLI_LIST_FRIENDS: ret = glusterd_handle_cli_list_friends (req); break; case GD_MGMT_CLI_START_VOLUME: ret = glusterd_handle_cli_start_volume (req); break; case GD_MGMT_CLI_STOP_VOLUME: ret = glusterd_handle_cli_stop_volume (req); break; case GD_MGMT_CLI_DELETE_VOLUME: ret = glusterd_handle_cli_delete_volume (req); break; case GD_MGMT_FRIEND_UPDATE: ret = glusterd_handle_friend_update (req); break; case GD_MGMT_CLI_GET_VOLUME: ret = glusterd_handle_cli_get_volume (req); break; case GD_MGMT_CLI_DEFRAG_VOLUME: ret = glusterd_handle_defrag_volume (req); break; case GD_MGMT_CLI_ADD_BRICK: ret = glusterd_handle_add_brick (req); break; case GD_MGMT_CLI_REPLACE_BRICK: ret = glusterd_handle_replace_brick (req); break; case GD_MGMT_CLI_REMOVE_BRICK: ret = glusterd_handle_remove_brick (req); break; case GD_MGMT_CLI_LOG_FILENAME: ret = glusterd_handle_log_filename (req); break; case GD_MGMT_CLI_LOG_LOCATE: ret = glusterd_handle_log_locate (req); break; case GD_MGMT_CLI_LOG_ROTATE: ret = glusterd_handle_log_rotate (req); break; case GD_MGMT_CLI_SET_VOLUME: ret = glusterd_handle_set_volume (req); break; case GD_MGMT_CLI_SYNC_VOLUME: ret = glusterd_handle_sync_volume (req); break; case GD_MGMT_CLI_RESET_VOLUME: ret = glusterd_handle_reset_volume (req); break; default: gf_log("", GF_LOG_ERROR, "Recieved Invalid procnum:%d", req->procnum); GF_ASSERT (0); } glusterd_friend_sm (); glusterd_op_sm (); out: if (ret && is_cli_req) { /* if we are sending a reply here, then return value should be 0, and we should not point to any RPC errors, because otherwise rpcsvc.c will send an error reply for the same request, which causes double replies */ ret = glusterd_op_send_cli_response (req->procnum, ret, 0, req, NULL, op_errstr); } if (op_errstr && (strcmp (op_errstr, ""))) GF_FREE (op_errstr); if (!ret) gf_log ("", GF_LOG_WARNING, "Returning %d", ret); return ret; } rpcsvc_actor_t glusterd1_mgmt_actors[] = { [GD_MGMT_NULL] = { "NULL", GD_MGMT_NULL, glusterd_null, NULL, NULL}, [GD_MGMT_PROBE_QUERY] = { "PROBE_QUERY", GD_MGMT_PROBE_QUERY, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_FRIEND_ADD] = { "FRIEND_ADD", GD_MGMT_FRIEND_ADD, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_FRIEND_REMOVE] = { "FRIEND_REMOVE", GD_MGMT_FRIEND_REMOVE, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_FRIEND_UPDATE] = { "FRIEND_UPDATE", GD_MGMT_FRIEND_UPDATE, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLUSTER_LOCK] = { "CLUSTER_LOCK", GD_MGMT_CLUSTER_LOCK, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLUSTER_UNLOCK] = { "CLUSTER_UNLOCK", GD_MGMT_CLUSTER_UNLOCK, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_STAGE_OP] = { "STAGE_OP", GD_MGMT_STAGE_OP, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_COMMIT_OP] = { "COMMIT_OP", GD_MGMT_COMMIT_OP, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_PROBE] = { "CLI_PROBE", GD_MGMT_CLI_PROBE, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_CREATE_VOLUME] = { "CLI_CREATE_VOLUME", GD_MGMT_CLI_CREATE_VOLUME, glusterd_handle_rpc_msg, NULL,NULL}, [GD_MGMT_CLI_DEFRAG_VOLUME] = { "CLI_DEFRAG_VOLUME", GD_MGMT_CLI_DEFRAG_VOLUME, glusterd_handle_defrag_volume, NULL,NULL}, [GD_MGMT_CLI_DEPROBE] = { "FRIEND_REMOVE", GD_MGMT_CLI_DEPROBE, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_LIST_FRIENDS] = { "LIST_FRIENDS", GD_MGMT_CLI_LIST_FRIENDS, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_START_VOLUME] = { "START_VOLUME", GD_MGMT_CLI_START_VOLUME, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_STOP_VOLUME] = { "STOP_VOLUME", GD_MGMT_CLI_STOP_VOLUME, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_DELETE_VOLUME] = { "DELETE_VOLUME", GD_MGMT_CLI_DELETE_VOLUME, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_GET_VOLUME] = { "GET_VOLUME", GD_MGMT_CLI_GET_VOLUME, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_ADD_BRICK] = { "ADD_BRICK", GD_MGMT_CLI_ADD_BRICK, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_REPLACE_BRICK] = { "REPLACE_BRICK", GD_MGMT_CLI_REPLACE_BRICK, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_REMOVE_BRICK] = { "REMOVE_BRICK", GD_MGMT_CLI_REMOVE_BRICK, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_LOG_FILENAME] = { "LOG FILENAME", GD_MGMT_CLI_LOG_FILENAME, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_LOG_LOCATE] = { "LOG LOCATE", GD_MGMT_CLI_LOG_LOCATE, glusterd_handle_log_locate, NULL, NULL}, [GD_MGMT_CLI_LOG_ROTATE] = { "LOG FILENAME", GD_MGMT_CLI_LOG_ROTATE, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_SET_VOLUME] = { "SET_VOLUME", GD_MGMT_CLI_SET_VOLUME, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_SYNC_VOLUME] = { "SYNC_VOLUME", GD_MGMT_CLI_SYNC_VOLUME, glusterd_handle_rpc_msg, NULL, NULL}, [GD_MGMT_CLI_RESET_VOLUME] = { "RESET_VOLUME", GD_MGMT_CLI_RESET_VOLUME, glusterd_handle_rpc_msg, NULL, NULL} }; /*rpcsvc_actor_t glusterd1_mgmt_actors[] = { [GD_MGMT_NULL] = { "NULL", GD_MGMT_NULL, glusterd_null, NULL, NULL}, [GD_MGMT_PROBE_QUERY] = { "PROBE_QUERY", GD_MGMT_PROBE_QUERY, glusterd_handle_probe_query, NULL, NULL}, [GD_MGMT_FRIEND_ADD] = { "FRIEND_ADD", GD_MGMT_FRIEND_ADD, glusterd_handle_incoming_friend_req, NULL, NULL}, [GD_MGMT_CLUSTER_LOCK] = { "CLUSTER_LOCK", GD_MGMT_CLUSTER_LOCK, glusterd_handle_cluster_lock, NULL, NULL}, [GD_MGMT_CLUSTER_UNLOCK] = { "CLUSTER_UNLOCK", GD_MGMT_CLUSTER_UNLOCK, glusterd_handle_cluster_unlock, NULL, NULL}, [GD_MGMT_STAGE_OP] = { "STAGE_OP", GD_MGMT_STAGE_OP, glusterd_handle_stage_op, NULL, NULL}, [GD_MGMT_COMMIT_OP] = { "COMMIT_OP", GD_MGMT_COMMIT_OP, glusterd_handle_commit_op, NULL, NULL}, [GD_MGMT_CLI_PROBE] = { "CLI_PROBE", GD_MGMT_CLI_PROBE, glusterd_handle_cli_probe, NULL, NULL}, };*/ struct rpcsvc_program glusterd1_mop_prog = { .progname = "GlusterD0.0.1", .prognum = GLUSTERD1_MGMT_PROGRAM, .progver = GLUSTERD1_MGMT_VERSION, .numactors = GLUSTERD1_MGMT_PROCCNT, .actors = glusterd1_mgmt_actors, }; struct rpc_clnt_procedure glusterd3_1_clnt_mgmt_actors[GD_MGMT_MAXVALUE] = { [GD_MGMT_NULL] = {"NULL", NULL }, [GD_MGMT_PROBE_QUERY] = { "PROBE_QUERY", glusterd3_1_probe}, [GD_MGMT_FRIEND_ADD] = { "FRIEND_ADD", glusterd3_1_friend_add }, [GD_MGMT_CLUSTER_LOCK] = {"CLUSTER_LOCK", glusterd3_1_cluster_lock}, [GD_MGMT_CLUSTER_UNLOCK] = {"CLUSTER_UNLOCK", glusterd3_1_cluster_unlock}, [GD_MGMT_STAGE_OP] = {"STAGE_OP", glusterd3_1_stage_op}, [GD_MGMT_COMMIT_OP] = {"COMMIT_OP", glusterd3_1_commit_op}, [GD_MGMT_FRIEND_REMOVE] = { "FRIEND_REMOVE", glusterd3_1_friend_remove}, [GD_MGMT_FRIEND_UPDATE] = { "FRIEND_UPDATE", glusterd3_1_friend_update}, }; struct rpc_clnt_program glusterd3_1_mgmt_prog = { .progname = "Mgmt 3.1", .prognum = GLUSTERD1_MGMT_PROGRAM, .progver = GLUSTERD1_MGMT_VERSION, .proctable = glusterd3_1_clnt_mgmt_actors, .numproc = GLUSTERD1_MGMT_PROCCNT, };