diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-handler.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-handler.c | 4237 |
1 files changed, 4237 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c new file mode 100644 index 000000000..71d076624 --- /dev/null +++ b/xlators/mgmt/glusterd/src/glusterd-handler.c @@ -0,0 +1,4237 @@ +/* + Copyright (c) 2006-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif +#include <inttypes.h> + + +#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 "run.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 "glusterd-locks.h" + +#include "glusterd1-xdr.h" +#include "cli1-xdr.h" +#include "xdr-generic.h" +#include "rpc-clnt.h" +#include "glusterd-volgen.h" +#include "glusterd-mountbroker.h" + +#include <sys/resource.h> +#include <inttypes.h> + +#include "defaults.c" +#include "common-utils.h" + +#include "globals.h" +#include "glusterd-syncop.h" + +#ifdef HAVE_BD_XLATOR +#include <lvm2app.h> +#endif + +extern uuid_t global_txn_id; + +int glusterd_big_locked_notify (struct rpc_clnt *rpc, void *mydata, + rpc_clnt_event_t event, + void *data, rpc_clnt_notify_t notify_fn) +{ + glusterd_conf_t *priv = THIS->private; + int ret = -1; + synclock_lock (&priv->big_lock); + ret = notify_fn (rpc, mydata, event, data); + synclock_unlock (&priv->big_lock); + return ret; +} + +int glusterd_big_locked_handler (rpcsvc_request_t *req, rpcsvc_actor actor_fn) +{ + glusterd_conf_t *priv = THIS->private; + int ret = -1; + + synclock_lock (&priv->big_lock); + ret = actor_fn (req); + synclock_unlock (&priv->big_lock); + + return ret; +} + +static int +glusterd_handle_friend_req (rpcsvc_request_t *req, uuid_t uuid, + char *hostname, int port, + gd1_mgmt_friend_req *friend_req) +{ + int ret = -1; + glusterd_peerinfo_t *peerinfo = NULL; + glusterd_friend_sm_event_t *event = NULL; + glusterd_friend_req_ctx_t *ctx = NULL; + char rhost[UNIX_PATH_MAX + 1] = {0}; + uuid_t friend_uuid = {0}; + dict_t *dict = NULL; + + uuid_parse (uuid_utoa (uuid), friend_uuid); + if (!port) + port = GF_DEFAULT_BASE_PORT; + + ret = glusterd_remote_hostname_get (req, rhost, sizeof (rhost)); + ret = glusterd_friend_find (uuid, rhost, &peerinfo); + + if (ret) { + ret = glusterd_xfer_friend_add_resp (req, hostname, rhost, port, + -1, GF_PROBE_UNKNOWN_PEER); + if (friend_req->vols.vols_val) { + free (friend_req->vols.vols_val); + friend_req->vols.vols_val = NULL; + } + goto out; + } + + 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; + + 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; + else + dict->extra_stdfree = friend_req->vols.vols_val; + + 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); + GF_FREE (ctx); + if (dict) { + if ((!dict->extra_stdfree) && + friend_req->vols.vols_val) + free (friend_req->vols.vols_val); + dict_unref (dict); + } else { + free (friend_req->vols.vols_val); + } + GF_FREE (event); + } else { + if (peerinfo && (0 == peerinfo->connected)) + ret = GLUSTERD_CONNECTION_AWAITED; + } + 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 = GF_DEFAULT_BASE_PORT; + + ret = glusterd_friend_find (uuid, hostname, &peerinfo); + + if (ret) { + gf_log ("glusterd", GF_LOG_CRITICAL, + "Received remove-friend from unknown peer %s", + hostname); + ret = glusterd_xfer_friend_remove_resp (req, hostname, + port); + goto out; + } + + 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); + 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, }; + char *peer_uuid_str = NULL; + + GF_ASSERT (peerinfo); + GF_ASSERT (friends); + + snprintf (key, 256, "friend%d.uuid", count); + peer_uuid_str = gd_peer_uuid_str (peerinfo); + ret = dict_set_str (friends, key, peer_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.stateId", count); + ret = dict_set_int32 (friends, key, peerinfo->state.state); + if (ret) + goto out; + + snprintf (key, 256, "friend%d.state", count); + ret = dict_set_str (friends, key, + glusterd_friend_sm_state_name_get(peerinfo->state.state)); + if (ret) + goto out; + + snprintf (key, 256, "friend%d.connected", count); + ret = dict_set_int32 (friends, key, (int32_t)peerinfo->connected); + if (ret) + goto out; + +out: + return ret; +} + +struct args_pack { + dict_t *dict; + int vol_count; + int opt_count; +}; + +static int +_build_option_key (dict_t *d, char *k, data_t *v, void *tmp) +{ + char reconfig_key[256] = {0, }; + struct args_pack *pack = NULL; + int ret = -1; + + pack = tmp; + if (strcmp (k, GLUSTERD_GLOBAL_OPT_VERSION) == 0) + return 0; + snprintf (reconfig_key, 256, "volume%d.option.%s", + pack->vol_count, k); + ret = dict_set_str (pack->dict, reconfig_key, v->data); + if (0 == ret) + pack->opt_count++; + + return 0; +} + +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; + dict_t *dict = NULL; + glusterd_conf_t *priv = NULL; + char *volume_id_str = NULL; + struct args_pack pack = {0,}; + xlator_t *this = NULL; +#ifdef HAVE_BD_XLATOR + int caps = 0; +#endif + + GF_ASSERT (volinfo); + GF_ASSERT (volumes); + + this = THIS; + priv = this->private; + + GF_ASSERT (priv); + + 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; + + /* As of now, the snap volumes are also displayed as part of + volume info command. So this change is to display whether + the volume is original volume or the snap_volume. If + displaying of snap volumes in volume info o/p is not needed + this should be removed. + */ + snprintf (key, 256, "volume%d.snap_volume", count); + ret = dict_set_int32 (volumes, key, volinfo->is_snap_volume); + if (ret) { + gf_log (this->name, GF_LOG_WARNING, "failed to set whether " + "the volume is a snap volume or actual volume (%s)", + volinfo->volname); + goto out; + } + + snprintf (key, 256, "volume%d.brick_count", count); + ret = dict_set_int32 (volumes, key, volinfo->brick_count); + if (ret) + goto out; + + snprintf (key, 256, "volume%d.dist_count", count); + ret = dict_set_int32 (volumes, key, volinfo->dist_leaf_count); + if (ret) + goto out; + + snprintf (key, 256, "volume%d.stripe_count", count); + ret = dict_set_int32 (volumes, key, volinfo->stripe_count); + if (ret) + goto out; + + snprintf (key, 256, "volume%d.replica_count", count); + ret = dict_set_int32 (volumes, key, volinfo->replica_count); + if (ret) + goto out; + + snprintf (key, 256, "volume%d.transport", count); + ret = dict_set_int32 (volumes, key, volinfo->transport_type); + if (ret) + goto out; + + volume_id_str = gf_strdup (uuid_utoa (volinfo->volume_id)); + if (!volume_id_str) + goto out; + + snprintf (key, sizeof (key), "volume%d.volume_id", count); + ret = dict_set_dynstr (volumes, key, volume_id_str); + if (ret) + goto out; + + snprintf (key, 256, "volume%d.rebalance", count); + ret = dict_set_int32 (volumes, key, volinfo->rebal.defrag_cmd); + if (ret) + goto out; + +#ifdef HAVE_BD_XLATOR + if (volinfo->caps) { + caps = 0; + snprintf (key, 256, "volume%d.xlator0", count); + buf = GF_MALLOC (256, gf_common_mt_char); + if (!buf) { + ret = ENOMEM; + goto out; + } + if (volinfo->caps & CAPS_BD) + snprintf (buf, 256, "BD"); + ret = dict_set_dynstr (volumes, key, buf); + if (ret) { + GF_FREE (buf); + goto out; + } + + if (volinfo->caps & CAPS_THIN) { + snprintf (key, 256, "volume%d.xlator0.caps%d", count, + caps++); + buf = GF_MALLOC (256, gf_common_mt_char); + if (!buf) { + ret = ENOMEM; + goto out; + } + snprintf (buf, 256, "thin"); + ret = dict_set_dynstr (volumes, key, buf); + if (ret) { + GF_FREE (buf); + goto out; + } + } + + if (volinfo->caps & CAPS_OFFLOAD_COPY) { + snprintf (key, 256, "volume%d.xlator0.caps%d", count, + caps++); + buf = GF_MALLOC (256, gf_common_mt_char); + if (!buf) { + ret = ENOMEM; + goto out; + } + snprintf (buf, 256, "offload_copy"); + ret = dict_set_dynstr (volumes, key, buf); + if (ret) { + GF_FREE (buf); + goto out; + } + } + + if (volinfo->caps & CAPS_OFFLOAD_SNAPSHOT) { + snprintf (key, 256, "volume%d.xlator0.caps%d", count, + caps++); + buf = GF_MALLOC (256, gf_common_mt_char); + if (!buf) { + ret = ENOMEM; + goto out; + } + snprintf (buf, 256, "offload_snapshot"); + ret = dict_set_dynstr (volumes, key, buf); + if (ret) { + GF_FREE (buf); + goto out; + } + } + + } +#endif + + list_for_each_entry (brickinfo, &volinfo->bricks, brick_list) { + char brick[1024] = {0,}; + char brick_uuid[64] = {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; + snprintf (key, 256, "volume%d.brick%d.uuid", count, i); + snprintf (brick_uuid, 64, "%s", uuid_utoa (brickinfo->uuid)); + buf = gf_strdup (brick_uuid); + if (!buf) + goto out; + ret = dict_set_dynstr (volumes, key, buf); + if (ret) + goto out; + +#ifdef HAVE_BD_XLATOR + if (volinfo->caps & CAPS_BD) { + snprintf (key, 256, "volume%d.vg%d", count, i); + snprintf (brick, 1024, "%s", brickinfo->vg); + buf = gf_strdup (brick); + ret = dict_set_dynstr (volumes, key, buf); + if (ret) + goto out; + } +#endif + i++; + } + + dict = volinfo->dict; + if (!dict) { + ret = 0; + goto out; + } + + pack.dict = volumes; + pack.vol_count = count; + pack.opt_count = 0; + dict_foreach (dict, _build_option_key, (void *) &pack); + dict_foreach (priv->opts, _build_option_key, &pack); + + snprintf (key, 256, "volume%d.opt_count", pack.vol_count); + ret = dict_set_int32 (volumes, key, pack.opt_count); +out: + return ret; +} + +int +glusterd_friend_find (uuid_t uuid, char *hostname, + glusterd_peerinfo_t **peerinfo) +{ + int ret = -1; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT (this); + + if (uuid) { + ret = glusterd_friend_find_by_uuid (uuid, peerinfo); + + if (ret) { + gf_log (this->name, GF_LOG_DEBUG, + "Unable to find peer by uuid: %s", + uuid_utoa (uuid)); + } else { + goto out; + } + + } + + if (hostname) { + ret = glusterd_friend_find_by_hostname (hostname, peerinfo); + + if (ret) { + gf_log (this->name, GF_LOG_DEBUG, + "Unable to find hostname: %s", hostname); + } else { + goto out; + } + } + +out: + return ret; +} + +int32_t +glusterd_op_txn_begin (rpcsvc_request_t *req, glusterd_op_t op, void *ctx, + char *err_str, size_t err_len) +{ + int32_t ret = -1; + dict_t *dict = NULL; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + int32_t locked = 0; + char *tmp = NULL; + char *volname = NULL; + uuid_t *txn_id = NULL; + uuid_t *originator_uuid = NULL; + glusterd_op_info_t txn_op_info = {{0},}; + glusterd_op_sm_event_type_t event_type = GD_OP_EVENT_NONE; + + GF_ASSERT (req); + GF_ASSERT ((op > GD_OP_NONE) && (op < GD_OP_MAX)); + GF_ASSERT (NULL != ctx); + + this = THIS; + GF_ASSERT (this); + priv = this->private; + GF_ASSERT (priv); + + dict = ctx; + + /* Generate a transaction-id for this operation and + * save it in the dict. This transaction id distinguishes + * each transaction, and helps separate opinfos in the + * op state machine. */ + txn_id = GF_CALLOC (1, sizeof(uuid_t), gf_common_mt_uuid_t); + if (!txn_id) + goto out; + + uuid_generate (*txn_id); + + ret = dict_set_bin (dict, "transaction_id", + txn_id, sizeof(*txn_id)); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed to set transaction id."); + goto out; + } + + gf_log (this->name, GF_LOG_DEBUG, + "Transaction_id = %s", uuid_utoa (*txn_id)); + + /* Save the MY_UUID as the originator_uuid. This originator_uuid + * will be used by is_origin_glusterd() to determine if a node + * is the originator node for a command. */ + originator_uuid = GF_CALLOC (1, sizeof(uuid_t), + gf_common_mt_uuid_t); + if (!originator_uuid) { + ret = -1; + goto out; + } + + uuid_copy (*originator_uuid, MY_UUID); + ret = dict_set_bin (dict, "originator_uuid", + originator_uuid, sizeof (uuid_t)); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed to set originator uuid."); + goto out; + } + + /* Based on the op_version, acquire a cluster or mgmt_v3 lock */ + if (priv->op_version < 3) { + ret = glusterd_lock (MY_UUID); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Unable to acquire lock on localhost, ret: %d", + ret); + snprintf (err_str, err_len, + "Another transaction is in progress. " + "Please try again after sometime."); + goto out; + } + } else { + /* If no volname is given as a part of the command, locks will + * not be held */ + ret = dict_get_str (dict, "volname", &tmp); + if (ret) { + gf_log ("", GF_LOG_ERROR, "Failed to get volume " + "name"); + goto local_locking_done; + } else { + /* Use a copy of volname, as cli response will be + * sent before the unlock, and the volname in the + * dict, might be removed */ + volname = gf_strdup (tmp); + if (!volname) + goto out; + } + + ret = glusterd_mgmt_v3_lock (volname, MY_UUID, "vol"); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Unable to acquire lock for %s", volname); + snprintf (err_str, err_len, + "Another transaction is in progress for %s. " + "Please try again after sometime.", volname); + goto out; + } + } + + locked = 1; + gf_log (this->name, GF_LOG_DEBUG, "Acquired lock on localhost"); + +local_locking_done: + + /* If no volname is given as a part of the command, locks will + * not be held, hence sending stage event. */ + if (volname) + event_type = GD_OP_EVENT_START_LOCK; + else { + txn_op_info.state.state = GD_OP_STATE_LOCK_SENT; + event_type = GD_OP_EVENT_ALL_ACC; + } + + /* Save opinfo for this transaction with the transaction id */ + glusterd_txn_opinfo_init (&txn_op_info, NULL, &op, ctx, req); + + ret = glusterd_set_txn_opinfo (txn_id, &txn_op_info); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Unable to set transaction's opinfo"); + if (ctx) + dict_unref (ctx); + goto out; + } + + ret = glusterd_op_sm_inject_event (event_type, txn_id, ctx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, "Failed to acquire cluster" + " lock."); + goto out; + } + +out: + if (locked && ret) { + /* Based on the op-version, we release the + * cluster or mgmt_v3 lock */ + if (priv->op_version < 3) + glusterd_unlock (MY_UUID); + else { + ret = glusterd_mgmt_v3_unlock (volname, MY_UUID, + "vol"); + if (ret) + gf_log (this->name, GF_LOG_ERROR, + "Unable to release lock for %s", + volname); + ret = -1; + } + } + + if (volname) + GF_FREE (volname); + + gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret); + return ret; +} + +int +__glusterd_handle_cluster_lock (rpcsvc_request_t *req) +{ + dict_t *op_ctx = NULL; + int32_t ret = -1; + gd1_mgmt_cluster_lock_req lock_req = {{0},}; + glusterd_op_lock_ctx_t *ctx = NULL; + glusterd_op_t op = GD_OP_EVENT_LOCK; + glusterd_peerinfo_t *peerinfo = NULL; + glusterd_op_info_t txn_op_info = {{0},}; + uuid_t *txn_id = &global_txn_id; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT (this); + GF_ASSERT (req); + + ret = xdr_to_generic (req->msg[0], &lock_req, + (xdrproc_t)xdr_gd1_mgmt_cluster_lock_req); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, "Failed to decode lock " + "request received from peer"); + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + gf_log (this->name, GF_LOG_DEBUG, "Received LOCK from uuid: %s", + uuid_utoa (lock_req.uuid)); + + if (glusterd_friend_find_by_uuid (lock_req.uuid, &peerinfo)) { + gf_log (this->name, GF_LOG_WARNING, "%s doesn't " + "belong to the cluster. Ignoring request.", + uuid_utoa (lock_req.uuid)); + ret = -1; + goto out; + } + + ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_lock_ctx_t); + + if (!ctx) { + //respond here + return -1; + } + + uuid_copy (ctx->uuid, lock_req.uuid); + ctx->req = req; + ctx->dict = NULL; + + op_ctx = dict_new (); + if (!op_ctx) { + gf_log (this->name, GF_LOG_ERROR, + "Unable to set new dict"); + goto out; + } + + glusterd_txn_opinfo_init (&txn_op_info, NULL, &op, op_ctx, req); + + ret = glusterd_set_txn_opinfo (txn_id, &txn_op_info); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Unable to set transaction's opinfo"); + dict_unref (txn_op_info.op_ctx); + goto out; + } + + ret = glusterd_op_sm_inject_event (GD_OP_EVENT_LOCK, txn_id, ctx); + if (ret) + gf_log (this->name, GF_LOG_ERROR, + "Failed to inject event GD_OP_EVENT_LOCK"); + +out: + gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret); + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_cluster_lock (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_cluster_lock); +} + +int +glusterd_req_ctx_create (rpcsvc_request_t *rpc_req, + glusterd_op_t op, uuid_t uuid, + char *buf_val, size_t buf_len, + gf_gld_mem_types_t mem_type, + glusterd_req_ctx_t **req_ctx_out) +{ + int ret = -1; + char str[50] = {0,}; + glusterd_req_ctx_t *req_ctx = NULL; + dict_t *dict = NULL; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT (this); + + uuid_unparse (uuid, str); + gf_log (this->name, GF_LOG_DEBUG, "Received op from uuid %s", str); + + dict = dict_new (); + if (!dict) + goto out; + + req_ctx = GF_CALLOC (1, sizeof (*req_ctx), mem_type); + if (!req_ctx) { + goto out; + } + + uuid_copy (req_ctx->uuid, uuid); + req_ctx->op = op; + ret = dict_unserialize (buf_val, buf_len, &dict); + if (ret) { + gf_log (this->name, GF_LOG_WARNING, + "failed to unserialize the dictionary"); + goto out; + } + + req_ctx->dict = dict; + req_ctx->req = rpc_req; + *req_ctx_out = req_ctx; + ret = 0; +out: + if (ret) { + if (dict) + dict_unref (dict); + GF_FREE (req_ctx); + } + return ret; +} + +int +__glusterd_handle_stage_op (rpcsvc_request_t *req) +{ + int32_t ret = -1; + glusterd_req_ctx_t *req_ctx = NULL; + gd1_mgmt_stage_op_req op_req = {{0},}; + glusterd_peerinfo_t *peerinfo = NULL; + xlator_t *this = NULL; + uuid_t *txn_id = &global_txn_id; + glusterd_op_info_t txn_op_info = {{0},}; + glusterd_op_sm_state_info_t state; + + this = THIS; + GF_ASSERT (this); + GF_ASSERT (req); + + ret = xdr_to_generic (req->msg[0], &op_req, + (xdrproc_t)xdr_gd1_mgmt_stage_op_req); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, "Failed to decode stage " + "request received from peer"); + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + if (glusterd_friend_find_by_uuid (op_req.uuid, &peerinfo)) { + gf_log (this->name, GF_LOG_WARNING, "%s doesn't " + "belong to the cluster. Ignoring request.", + uuid_utoa (op_req.uuid)); + ret = -1; + goto out; + } + + ret = glusterd_req_ctx_create (req, op_req.op, op_req.uuid, + op_req.buf.buf_val, op_req.buf.buf_len, + gf_gld_mt_op_stage_ctx_t, &req_ctx); + if (ret) + goto out; + + ret = dict_get_bin (req_ctx->dict, "transaction_id", (void **)&txn_id); + + gf_log ("", GF_LOG_DEBUG, "transaction ID = %s", uuid_utoa (*txn_id)); + + /* In cases where there is no volname, the receivers won't have a + * transaction opinfo created, as for those operations, the locking + * phase where the transaction opinfos are created, won't be called. */ + ret = glusterd_get_txn_opinfo (txn_id, &txn_op_info); + if (ret) { + gf_log (this->name, GF_LOG_DEBUG, + "No transaction's opinfo set"); + + state.state = GD_OP_STATE_LOCKED; + glusterd_txn_opinfo_init (&txn_op_info, &state, + &op_req.op, req_ctx->dict, req); + + ret = glusterd_set_txn_opinfo (txn_id, &txn_op_info); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Unable to set transaction's opinfo"); + dict_unref (req_ctx->dict); + goto out; + } + } + + ret = glusterd_op_sm_inject_event (GD_OP_EVENT_STAGE_OP, + txn_id, req_ctx); + if (ret) + gf_log (this->name, GF_LOG_ERROR, + "Failed to inject event GD_OP_EVENT_STAGE_OP"); + + out: + free (op_req.buf.buf_val);//malloced by xdr + glusterd_friend_sm (); + glusterd_op_sm (); + return ret; +} + +int +glusterd_handle_stage_op (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_stage_op); +} + + +int +__glusterd_handle_commit_op (rpcsvc_request_t *req) +{ + int32_t ret = -1; + glusterd_req_ctx_t *req_ctx = NULL; + gd1_mgmt_commit_op_req op_req = {{0},}; + glusterd_peerinfo_t *peerinfo = NULL; + xlator_t *this = NULL; + uuid_t *txn_id = &global_txn_id; + + this = THIS; + GF_ASSERT (this); + GF_ASSERT (req); + + ret = xdr_to_generic (req->msg[0], &op_req, + (xdrproc_t)xdr_gd1_mgmt_commit_op_req); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, "Failed to decode commit " + "request received from peer"); + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + if (glusterd_friend_find_by_uuid (op_req.uuid, &peerinfo)) { + gf_log (this->name, GF_LOG_WARNING, "%s doesn't " + "belong to the cluster. Ignoring request.", + uuid_utoa (op_req.uuid)); + ret = -1; + goto out; + } + + //the structures should always be equal + GF_ASSERT (sizeof (gd1_mgmt_commit_op_req) == sizeof (gd1_mgmt_stage_op_req)); + ret = glusterd_req_ctx_create (req, op_req.op, op_req.uuid, + op_req.buf.buf_val, op_req.buf.buf_len, + gf_gld_mt_op_commit_ctx_t, &req_ctx); + if (ret) + goto out; + + ret = dict_get_bin (req_ctx->dict, "transaction_id", (void **)&txn_id); + + gf_log ("", GF_LOG_DEBUG, "transaction ID = %s", uuid_utoa (*txn_id)); + + ret = glusterd_op_sm_inject_event (GD_OP_EVENT_COMMIT_OP, + txn_id, req_ctx); + +out: + free (op_req.buf.buf_val);//malloced by xdr + glusterd_friend_sm (); + glusterd_op_sm (); + return ret; +} + +int +glusterd_handle_commit_op (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_commit_op); +} + +int +__glusterd_handle_cli_probe (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gf_cli_req cli_req = {{0,},}; + glusterd_peerinfo_t *peerinfo = NULL; + gf_boolean_t run_fsm = _gf_true; + xlator_t *this = NULL; + char *bind_name = NULL; + dict_t *dict = NULL; + char *hostname = NULL; + int port = 0; + + GF_ASSERT (req); + this = THIS; + + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + //failed to decode msg; + gf_log ("", GF_LOG_ERROR, "xdr decoding error"); + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + if (cli_req.dict.dict_len) { + dict = dict_new (); + + ret = dict_unserialize (cli_req.dict.dict_val, + cli_req.dict.dict_len, &dict); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, "Failed to " + "unserialize req-buffer to dictionary"); + goto out; + } + } + + ret = dict_get_str (dict, "hostname", &hostname); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, "Failed to get hostname"); + goto out; + } + + ret = dict_get_int32 (dict, "port", &port); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, "Failed to get port"); + goto out; + } + + if (glusterd_is_any_volume_in_server_quorum (this) && + !does_gd_meet_server_quorum (this)) { + glusterd_xfer_cli_probe_resp (req, -1, GF_PROBE_QUORUM_NOT_MET, + NULL, hostname, port, dict); + gf_log (this->name, GF_LOG_ERROR, "Quorum does not meet, " + "rejecting operation"); + ret = 0; + goto out; + } + + gf_log ("glusterd", GF_LOG_INFO, "Received CLI probe req %s %d", + hostname, port); + + if (dict_get_str(this->options,"transport.socket.bind-address", + &bind_name) == 0) { + gf_log ("glusterd", GF_LOG_DEBUG, + "only checking probe address vs. bind address"); + ret = gf_is_same_address (bind_name, hostname); + } + else { + ret = gf_is_local_addr (hostname); + } + if (ret) { + glusterd_xfer_cli_probe_resp (req, 0, GF_PROBE_LOCALHOST, + NULL, hostname, port, dict); + ret = 0; + goto out; + } + + if (!(ret = glusterd_friend_find_by_hostname (hostname, &peerinfo))) { + if (strcmp (peerinfo->hostname, hostname) == 0) { + + gf_log ("glusterd", GF_LOG_DEBUG, "Probe host %s port " + "%d already a peer", hostname, port); + glusterd_xfer_cli_probe_resp (req, 0, GF_PROBE_FRIEND, + NULL, hostname, port, + dict); + goto out; + } + } + ret = glusterd_probe_begin (req, hostname, port, dict); + + if (ret == GLUSTERD_CONNECTION_AWAITED) { + //fsm should be run after connection establishes + run_fsm = _gf_false; + ret = 0; + } + +out: + free (cli_req.dict.dict_val); + + if (run_fsm) { + glusterd_friend_sm (); + glusterd_op_sm (); + } + + return ret; +} + +int +glusterd_handle_cli_probe (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_cli_probe); +} + +int +__glusterd_handle_cli_deprobe (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gf_cli_req cli_req = {{0,},}; + uuid_t uuid = {0}; + int op_errno = 0; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + dict_t *dict = NULL; + char *hostname = NULL; + int port = 0; + int flags = 0; + + this = THIS; + GF_ASSERT (this); + priv = this->private; + GF_ASSERT (priv); + GF_ASSERT (req); + + ret = xdr_to_generic (req->msg[0], &cli_req, + (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + if (cli_req.dict.dict_len) { + dict = dict_new (); + + ret = dict_unserialize (cli_req.dict.dict_val, + cli_req.dict.dict_len, &dict); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, "Failed to " + "unserialize req-buffer to dictionary"); + goto out; + } + } + + gf_log ("glusterd", GF_LOG_INFO, "Received CLI deprobe req"); + + ret = dict_get_str (dict, "hostname", &hostname); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, "Failed to get hostname"); + goto out; + } + + ret = dict_get_int32 (dict, "port", &port); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, "Failed to get port"); + goto out; + } + + ret = dict_get_int32 (dict, "flags", &flags); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, "Failed to get flags"); + goto out; + } + + ret = glusterd_hostname_to_uuid (hostname, uuid); + if (ret) { + op_errno = GF_DEPROBE_NOT_FRIEND; + goto out; + } + + if (!uuid_compare (uuid, MY_UUID)) { + op_errno = GF_DEPROBE_LOCALHOST; + ret = -1; + goto out; + } + + if (!(flags & GF_CLI_FLAG_OP_FORCE)) { + if (!uuid_is_null (uuid)) { + /* Check if peers are connected, except peer being detached*/ + if (!glusterd_chk_peers_connected_befriended (uuid)) { + ret = -1; + op_errno = GF_DEPROBE_FRIEND_DOWN; + goto out; + } + ret = glusterd_all_volume_cond_check ( + glusterd_friend_brick_belongs, + -1, &uuid); + if (ret) { + op_errno = GF_DEPROBE_BRICK_EXIST; + goto out; + } + } + + if (glusterd_is_any_volume_in_server_quorum (this) && + !does_gd_meet_server_quorum (this)) { + gf_log (this->name, GF_LOG_ERROR, "Quorum does not " + "meet, rejecting operation"); + ret = -1; + op_errno = GF_DEPROBE_QUORUM_NOT_MET; + goto out; + } + } + + if (!uuid_is_null (uuid)) { + ret = glusterd_deprobe_begin (req, hostname, port, uuid, dict); + } else { + ret = glusterd_deprobe_begin (req, hostname, port, NULL, dict); + } + +out: + free (cli_req.dict.dict_val); + + if (ret) { + ret = glusterd_xfer_cli_deprobe_resp (req, ret, op_errno, NULL, + hostname, dict); + } + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_cli_deprobe (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_cli_deprobe); +} + +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); + + ret = xdr_to_generic (req->msg[0], &cli_req, + (xdrproc_t)xdr_gf1_cli_peer_list_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + gf_log ("glusterd", GF_LOG_INFO, "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; + } else { + dict->extra_stdfree = cli_req.dict.dict_val; + } + } + + ret = glusterd_list_friends (req, dict, cli_req.flags); + +out: + if (dict) + dict_unref (dict); + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_cli_list_friends (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_cli_list_friends); +} + +int +__glusterd_handle_cli_get_volume (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gf_cli_req cli_req = {{0,}}; + dict_t *dict = NULL; + int32_t flags = 0; + + GF_ASSERT (req); + + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + gf_log ("glusterd", GF_LOG_INFO, "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; + } else { + dict->extra_stdfree = cli_req.dict.dict_val; + } + } + + ret = dict_get_int32 (dict, "flags", &flags); + if (ret) { + gf_log (THIS->name, GF_LOG_ERROR, "failed to get flags"); + goto out; + } + + ret = glusterd_get_volumes (req, dict, flags); + +out: + if (dict) + dict_unref (dict); + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_cli_get_volume (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_cli_get_volume); +} + +int +__glusterd_handle_cli_uuid_reset (rpcsvc_request_t *req) +{ + int ret = -1; + dict_t *dict = NULL; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + uuid_t uuid = {0}; + gf_cli_rsp rsp = {0,}; + gf_cli_req cli_req = {{0,}}; + char msg_str[2048] = {0,}; + + GF_ASSERT (req); + + this = THIS; + priv = this->private; + GF_ASSERT (priv); + + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + gf_log ("glusterd", GF_LOG_DEBUG, "Received uuid reset 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"); + snprintf (msg_str, sizeof (msg_str), "Unable to decode " + "the buffer"); + goto out; + } else { + dict->extra_stdfree = cli_req.dict.dict_val; + } + } + + /* In the above section if dict_unserialize is successful, ret is set + * to zero. + */ + ret = -1; + // Do not allow peer reset if there are any volumes in the cluster + if (!list_empty (&priv->volumes)) { + snprintf (msg_str, sizeof (msg_str), "volumes are already " + "present in the cluster. Resetting uuid is not " + "allowed"); + gf_log (this->name, GF_LOG_WARNING, "%s", msg_str); + goto out; + } + + // Do not allow peer reset if trusted storage pool is already formed + if (!list_empty (&priv->peers)) { + snprintf (msg_str, sizeof (msg_str),"trusted storage pool " + "has been already formed. Please detach this peer " + "from the pool and reset its uuid."); + gf_log (this->name, GF_LOG_WARNING, "%s", msg_str); + goto out; + } + + uuid_copy (uuid, priv->uuid); + ret = glusterd_uuid_generate_save (); + + if (!uuid_compare (uuid, MY_UUID)) { + snprintf (msg_str, sizeof (msg_str), "old uuid and the new uuid" + " are same. Try gluster peer reset again"); + gf_log (this->name, GF_LOG_ERROR, "%s", msg_str); + ret = -1; + goto out; + } + +out: + if (ret) { + rsp.op_ret = -1; + if (msg_str[0] == '\0') + snprintf (msg_str, sizeof (msg_str), "Operation " + "failed"); + rsp.op_errstr = msg_str; + ret = 0; + } else { + rsp.op_errstr = ""; + } + + glusterd_to_cli (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf_cli_rsp, dict); + + return ret; +} + +int +glusterd_handle_cli_uuid_reset (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_cli_uuid_reset); +} + +int +__glusterd_handle_cli_uuid_get (rpcsvc_request_t *req) +{ + int ret = -1; + dict_t *dict = NULL; + dict_t *rsp_dict = NULL; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + gf_cli_rsp rsp = {0,}; + gf_cli_req cli_req = {{0,}}; + char msg_str[2048] = {0,}; + char uuid_str[64] = {0,}; + + GF_ASSERT (req); + + this = THIS; + priv = this->private; + GF_ASSERT (priv); + + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + gf_log ("glusterd", GF_LOG_DEBUG, "Received uuid get req"); + + if (cli_req.dict.dict_len) { + dict = dict_new (); + if (!dict) { + ret = -1; + goto out; + } + + 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"); + snprintf (msg_str, sizeof (msg_str), "Unable to decode " + "the buffer"); + goto out; + + } else { + dict->extra_stdfree = cli_req.dict.dict_val; + + } + } + + rsp_dict = dict_new (); + if (!rsp_dict) { + ret = -1; + goto out; + } + + uuid_utoa_r (MY_UUID, uuid_str); + ret = dict_set_str (rsp_dict, "uuid", uuid_str); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, "Failed to set uuid in " + "dictionary."); + goto out; + } + + ret = dict_allocate_and_serialize (rsp_dict, &rsp.dict.dict_val, + &rsp.dict.dict_len); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, "Failed to serialize " + "dictionary."); + goto out; + } + ret = 0; +out: + if (ret) { + rsp.op_ret = -1; + if (msg_str[0] == '\0') + snprintf (msg_str, sizeof (msg_str), "Operation " + "failed"); + rsp.op_errstr = msg_str; + + } else { + rsp.op_errstr = ""; + + } + + glusterd_to_cli (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf_cli_rsp, dict); + + return 0; +} +int +glusterd_handle_cli_uuid_get (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_cli_uuid_get); +} + +int +__glusterd_handle_cli_list_volume (rpcsvc_request_t *req) +{ + int ret = -1; + dict_t *dict = NULL; + glusterd_conf_t *priv = NULL; + glusterd_volinfo_t *volinfo = NULL; + int count = 0; + char key[1024] = {0,}; + gf_cli_rsp rsp = {0,}; + + GF_ASSERT (req); + + priv = THIS->private; + GF_ASSERT (priv); + + dict = dict_new (); + if (!dict) + goto out; + + list_for_each_entry (volinfo, &priv->volumes, vol_list) { + memset (key, 0, sizeof (key)); + snprintf (key, sizeof (key), "volume%d", count); + ret = dict_set_str (dict, key, volinfo->volname); + if (ret) + goto out; + count++; + } + + ret = dict_set_int32 (dict, "count", count); + if (ret) + goto out; + + ret = dict_allocate_and_serialize (dict, &rsp.dict.dict_val, + &rsp.dict.dict_len); + if (ret) + goto out; + + ret = 0; + +out: + rsp.op_ret = ret; + if (ret) + rsp.op_errstr = "Error listing volumes"; + else + rsp.op_errstr = ""; + + glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf_cli_rsp); + ret = 0; + + if (dict) + dict_unref (dict); + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_cli_list_volume (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_cli_list_volume); +} + +int32_t +glusterd_op_begin (rpcsvc_request_t *req, glusterd_op_t op, void *ctx, + char *err_str, size_t err_len) +{ + int ret = -1; + + ret = glusterd_op_txn_begin (req, op, ctx, err_str, err_len); + + return ret; +} + +int +__glusterd_handle_reset_volume (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gf_cli_req cli_req = {{0,}}; + dict_t *dict = NULL; + glusterd_op_t cli_op = GD_OP_RESET_VOLUME; + char *volname = NULL; + char err_str[2048] = {0,}; + xlator_t *this = NULL; + + GF_ASSERT (req); + this = THIS; + GF_ASSERT (this); + + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + snprintf (err_str, sizeof (err_str), "Failed to decode request " + "received from cli"); + gf_log (this->name, GF_LOG_ERROR, "%s", err_str); + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + 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 (this->name, GF_LOG_ERROR, "failed to " + "unserialize req-buffer to dictionary"); + snprintf (err_str, sizeof (err_str), "Unable to decode " + "the command"); + goto out; + } else { + dict->extra_stdfree = cli_req.dict.dict_val; + } + } + + ret = dict_get_str (dict, "volname", &volname); + if (ret) { + snprintf (err_str, sizeof (err_str), "Failed to get volume " + "name"); + gf_log (this->name, GF_LOG_ERROR, "%s", err_str); + goto out; + } + gf_log (this->name, GF_LOG_DEBUG, "Received volume reset request for " + "volume %s", volname); + + ret = glusterd_op_begin_synctask (req, GD_OP_RESET_VOLUME, dict); + +out: + if (ret) { + if (err_str[0] == '\0') + snprintf (err_str, sizeof (err_str), + "Operation failed"); + ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, + dict, err_str); + } + + return ret; +} + +int +glusterd_handle_reset_volume (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_reset_volume); +} + +int +__glusterd_handle_set_volume (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gf_cli_req cli_req = {{0,}}; + dict_t *dict = NULL; + glusterd_op_t cli_op = GD_OP_SET_VOLUME; + char *key = NULL; + char *value = NULL; + char *volname = NULL; + char *op_errstr = NULL; + gf_boolean_t help = _gf_false; + char err_str[2048] = {0,}; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT (this); + + GF_ASSERT (req); + + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + snprintf (err_str, sizeof (err_str), "Failed to decode " + "request received from cli"); + gf_log (this->name, GF_LOG_ERROR, "%s", err_str); + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + 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 (this->name, GF_LOG_ERROR, + "failed to " + "unserialize req-buffer to dictionary"); + snprintf (err_str, sizeof (err_str), "Unable to decode " + "the command"); + goto out; + } else { + dict->extra_stdfree = cli_req.dict.dict_val; + } + } + + ret = dict_get_str (dict, "volname", &volname); + if (ret) { + snprintf (err_str, sizeof (err_str), "Failed to get volume " + "name while handling volume set command"); + gf_log (this->name, GF_LOG_ERROR, "%s", err_str); + goto out; + } + + if (strcmp (volname, "help") == 0 || + strcmp (volname, "help-xml") == 0) { + ret = glusterd_volset_help (dict, &op_errstr); + help = _gf_true; + goto out; + } + + ret = dict_get_str (dict, "key1", &key); + if (ret) { + snprintf (err_str, sizeof (err_str), "Failed to get key while" + " handling volume set for %s", volname); + gf_log (this->name, GF_LOG_ERROR, "%s", err_str); + goto out; + } + + ret = dict_get_str (dict, "value1", &value); + if (ret) { + snprintf (err_str, sizeof (err_str), "Failed to get value while" + " handling volume set for %s", volname); + gf_log (this->name, GF_LOG_ERROR, "%s", err_str); + goto out; + } + gf_log (this->name, GF_LOG_DEBUG, "Received volume set request for " + "volume %s", volname); + + ret = glusterd_op_begin_synctask (req, GD_OP_SET_VOLUME, dict); + +out: + if (help) + ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, dict, + (op_errstr)? op_errstr:""); + else if (ret) { + if (err_str[0] == '\0') + snprintf (err_str, sizeof (err_str), + "Operation failed"); + ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, + dict, err_str); + } + if (op_errstr) + GF_FREE (op_errstr); + + return ret; +} + +int +glusterd_handle_set_volume (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_set_volume); +} + +int +__glusterd_handle_sync_volume (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gf_cli_req cli_req = {{0,}}; + dict_t *dict = NULL; + gf_cli_rsp cli_rsp = {0.}; + char msg[2048] = {0,}; + char *volname = NULL; + gf1_cli_sync_volume flags = 0; + char *hostname = NULL; + xlator_t *this = NULL; + + GF_ASSERT (req); + this = THIS; + GF_ASSERT (this); + + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + 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 (this->name, GF_LOG_ERROR, + "failed to " + "unserialize req-buffer to dictionary"); + snprintf (msg, sizeof (msg), "Unable to decode the " + "command"); + goto out; + } else { + dict->extra_stdfree = cli_req.dict.dict_val; + } + } + + ret = dict_get_str (dict, "hostname", &hostname); + if (ret) { + snprintf (msg, sizeof (msg), "Failed to get hostname"); + gf_log (this->name, GF_LOG_ERROR, "%s", msg); + goto out; + } + + ret = dict_get_str (dict, "volname", &volname); + if (ret) { + ret = dict_get_int32 (dict, "flags", (int32_t*)&flags); + if (ret) { + snprintf (msg, sizeof (msg), "Failed to get volume name" + " or flags"); + gf_log (this->name, GF_LOG_ERROR, "%s", msg); + goto out; + } + } + + gf_log (this->name, GF_LOG_INFO, "Received volume sync req " + "for volume %s", (flags & GF_CLI_SYNC_ALL) ? "all" : volname); + + if (gf_is_local_addr (hostname)) { + ret = -1; + snprintf (msg, sizeof (msg), "sync from localhost" + " not allowed"); + gf_log (this->name, GF_LOG_ERROR, "%s", msg); + goto out; + } + + ret = glusterd_op_begin_synctask (req, GD_OP_SYNC_VOLUME, dict); + +out: + if (ret) { + cli_rsp.op_ret = -1; + cli_rsp.op_errstr = msg; + if (msg[0] == '\0') + snprintf (msg, sizeof (msg), "Operation failed"); + glusterd_to_cli (req, &cli_rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf_cli_rsp, dict); + + ret = 0; //sent error to cli, prevent second reply + } + + return ret; +} + +int +glusterd_handle_sync_volume (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_sync_volume); +} + +int +glusterd_fsm_log_send_resp (rpcsvc_request_t *req, int op_ret, + char *op_errstr, dict_t *dict) +{ + + int ret = -1; + gf1_cli_fsm_log_rsp rsp = {0}; + + GF_ASSERT (req); + GF_ASSERT (op_errstr); + + rsp.op_ret = op_ret; + rsp.op_errstr = op_errstr; + if (rsp.op_ret == 0) + ret = dict_allocate_and_serialize (dict, &rsp.fsm_log.fsm_log_val, + &rsp.fsm_log.fsm_log_len); + + ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf1_cli_fsm_log_rsp); + GF_FREE (rsp.fsm_log.fsm_log_val); + + gf_log ("glusterd", GF_LOG_DEBUG, "Responded, ret: %d", ret); + + return 0; +} + +int +__glusterd_handle_fsm_log (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gf1_cli_fsm_log_req cli_req = {0,}; + dict_t *dict = NULL; + glusterd_sm_tr_log_t *log = NULL; + xlator_t *this = NULL; + glusterd_conf_t *conf = NULL; + char msg[2048] = {0}; + glusterd_peerinfo_t *peerinfo = NULL; + + GF_ASSERT (req); + + ret = xdr_to_generic (req->msg[0], &cli_req, + (xdrproc_t)xdr_gf1_cli_fsm_log_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + snprintf (msg, sizeof (msg), "Garbage request"); + goto out; + } + + if (strcmp ("", cli_req.name) == 0) { + this = THIS; + conf = this->private; + log = &conf->op_sm_log; + } else { + ret = glusterd_friend_find_by_hostname (cli_req.name, + &peerinfo); + if (ret) { + snprintf (msg, sizeof (msg), "%s is not a peer", + cli_req.name); + goto out; + } + log = &peerinfo->sm_log; + } + + dict = dict_new (); + if (!dict) { + ret = -1; + goto out; + } + + ret = glusterd_sm_tr_log_add_to_dict (dict, log); +out: + (void)glusterd_fsm_log_send_resp (req, ret, msg, dict); + free (cli_req.name);//malloced by xdr + if (dict) + dict_unref (dict); + + glusterd_friend_sm (); + glusterd_op_sm (); + + return 0;//send 0 to avoid double reply +} + +int +glusterd_handle_fsm_log (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_fsm_log); +} + +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, + (xdrproc_t)xdr_gd1_mgmt_cluster_lock_rsp); + + gf_log (THIS->name, GF_LOG_DEBUG, "Responded to lock, 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, + (xdrproc_t)xdr_gd1_mgmt_cluster_unlock_rsp); + + gf_log (THIS->name, GF_LOG_DEBUG, "Responded to unlock, ret: %d", ret); + + return ret; +} + +int +glusterd_op_mgmt_v3_lock_send_resp (rpcsvc_request_t *req, uuid_t *txn_id, + int32_t status) +{ + + gd1_mgmt_v3_lock_rsp rsp = {{0},}; + int ret = -1; + + GF_ASSERT (req); + GF_ASSERT (txn_id); + glusterd_get_uuid (&rsp.uuid); + rsp.op_ret = status; + if (rsp.op_ret) + rsp.op_errno = errno; + uuid_copy (rsp.txn_id, *txn_id); + + ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gd1_mgmt_v3_lock_rsp); + + gf_log (THIS->name, GF_LOG_DEBUG, "Responded to mgmt_v3 lock, ret: %d", + ret); + + return ret; +} + +int +glusterd_op_mgmt_v3_unlock_send_resp (rpcsvc_request_t *req, uuid_t *txn_id, + int32_t status) +{ + + gd1_mgmt_v3_unlock_rsp rsp = {{0},}; + int ret = -1; + + GF_ASSERT (req); + GF_ASSERT (txn_id); + rsp.op_ret = status; + if (rsp.op_ret) + rsp.op_errno = errno; + glusterd_get_uuid (&rsp.uuid); + uuid_copy (rsp.txn_id, *txn_id); + + ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gd1_mgmt_v3_unlock_rsp); + + gf_log (THIS->name, GF_LOG_DEBUG, + "Responded to mgmt_v3 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; + glusterd_op_lock_ctx_t *ctx = NULL; + glusterd_peerinfo_t *peerinfo = NULL; + xlator_t *this = NULL; + uuid_t *txn_id = &global_txn_id; + + this = THIS; + GF_ASSERT (this); + GF_ASSERT (req); + + ret = xdr_to_generic (req->msg[0], &unlock_req, + (xdrproc_t)xdr_gd1_mgmt_cluster_unlock_req); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, "Failed to decode unlock " + "request received from peer"); + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + + gf_log (this->name, GF_LOG_DEBUG, + "Received UNLOCK from uuid: %s", uuid_utoa (unlock_req.uuid)); + + if (glusterd_friend_find_by_uuid (unlock_req.uuid, &peerinfo)) { + gf_log (this->name, GF_LOG_WARNING, "%s doesn't " + "belong to the cluster. Ignoring request.", + uuid_utoa (unlock_req.uuid)); + ret = -1; + goto out; + } + + 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; + ctx->dict = NULL; + + ret = glusterd_op_sm_inject_event (GD_OP_EVENT_UNLOCK, txn_id, ctx); + +out: + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_cluster_unlock (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_cluster_unlock); +} + +int +glusterd_op_stage_send_resp (rpcsvc_request_t *req, + int32_t op, int32_t status, + char *op_errstr, dict_t *rsp_dict) +{ + gd1_mgmt_stage_op_rsp rsp = {{0},}; + int ret = -1; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT (this); + GF_ASSERT (req); + + rsp.op_ret = status; + glusterd_get_uuid (&rsp.uuid); + rsp.op = op; + if (op_errstr) + rsp.op_errstr = op_errstr; + else + rsp.op_errstr = ""; + + ret = dict_allocate_and_serialize (rsp_dict, &rsp.dict.dict_val, + &rsp.dict.dict_len); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, + "failed to get serialized length of dict"); + return ret; + } + + ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gd1_mgmt_stage_op_rsp); + + gf_log (this->name, GF_LOG_DEBUG, "Responded to stage, ret: %d", ret); + GF_FREE (rsp.dict.dict_val); + + return ret; +} + +int +glusterd_op_commit_send_resp (rpcsvc_request_t *req, + int32_t op, int32_t status, char *op_errstr, + dict_t *rsp_dict) +{ + gd1_mgmt_commit_op_rsp rsp = {{0}, }; + int ret = -1; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT (this); + GF_ASSERT (req); + rsp.op_ret = status; + glusterd_get_uuid (&rsp.uuid); + rsp.op = op; + + if (op_errstr) + rsp.op_errstr = op_errstr; + else + rsp.op_errstr = ""; + + if (rsp_dict) { + ret = dict_allocate_and_serialize (rsp_dict, &rsp.dict.dict_val, + &rsp.dict.dict_len); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, + "failed to get serialized length of dict"); + goto out; + } + } + + + ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gd1_mgmt_commit_op_rsp); + + gf_log (this->name, GF_LOG_DEBUG, "Responded to commit, ret: %d", ret); + +out: + GF_FREE (rsp.dict.dict_val); + return ret; +} + +int +__glusterd_handle_incoming_friend_req (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gd1_mgmt_friend_req friend_req = {{0},}; + gf_boolean_t run_fsm = _gf_true; + + GF_ASSERT (req); + ret = xdr_to_generic (req->msg[0], &friend_req, + (xdrproc_t)xdr_gd1_mgmt_friend_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + gf_log ("glusterd", GF_LOG_INFO, + "Received probe from uuid: %s", uuid_utoa (friend_req.uuid)); + ret = glusterd_handle_friend_req (req, friend_req.uuid, + friend_req.hostname, friend_req.port, + &friend_req); + + if (ret == GLUSTERD_CONNECTION_AWAITED) { + //fsm should be run after connection establishes + run_fsm = _gf_false; + ret = 0; + } + +out: + free (friend_req.hostname);//malloced by xdr + + if (run_fsm) { + glusterd_friend_sm (); + glusterd_op_sm (); + } + + return ret; +} + +int +glusterd_handle_incoming_friend_req (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_incoming_friend_req); +} + +int +__glusterd_handle_incoming_unfriend_req (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gd1_mgmt_friend_req friend_req = {{0},}; + char remote_hostname[UNIX_PATH_MAX + 1] = {0,}; + + GF_ASSERT (req); + ret = xdr_to_generic (req->msg[0], &friend_req, + (xdrproc_t)xdr_gd1_mgmt_friend_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + gf_log ("glusterd", GF_LOG_INFO, + "Received unfriend from uuid: %s", uuid_utoa (friend_req.uuid)); + + ret = glusterd_remote_hostname_get (req, remote_hostname, + sizeof (remote_hostname)); + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to get the remote hostname"); + goto out; + } + ret = glusterd_handle_unfriend_req (req, friend_req.uuid, + remote_hostname, friend_req.port); + +out: + free (friend_req.hostname);//malloced by xdr + free (friend_req.vols.vols_val);//malloced by xdr + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_incoming_unfriend_req (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_incoming_unfriend_req); + +} + +int +glusterd_handle_friend_update_delete (dict_t *dict) +{ + char *hostname = NULL; + int32_t ret = -1; + + GF_ASSERT (dict); + + ret = dict_get_str (dict, "hostname", &hostname); + if (ret) + goto out; + + ret = glusterd_friend_remove (NULL, hostname); + +out: + gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); + return ret; +} + +int +glusterd_friend_hostname_update (glusterd_peerinfo_t *peerinfo, + char *hostname, + gf_boolean_t store_update) +{ + char *new_hostname = NULL; + int ret = 0; + + GF_ASSERT (peerinfo); + GF_ASSERT (hostname); + + new_hostname = gf_strdup (hostname); + if (!new_hostname) { + ret = -1; + goto out; + } + + GF_FREE (peerinfo->hostname); + peerinfo->hostname = new_hostname; + if (store_update) + ret = glusterd_store_peerinfo (peerinfo); +out: + gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); + return ret; +} + +int +__glusterd_handle_friend_update (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gd1_mgmt_friend_update friend_req = {{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,}; + glusterd_peerctx_args_t args = {0}; + int32_t op = 0; + + GF_ASSERT (req); + + this = THIS; + GF_ASSERT (this); + priv = this->private; + GF_ASSERT (priv); + + ret = xdr_to_generic (req->msg[0], &friend_req, + (xdrproc_t)xdr_gd1_mgmt_friend_update); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + ret = glusterd_friend_find (friend_req.uuid, NULL, &tmp); + if (ret) { + gf_log ("", GF_LOG_CRITICAL, "Received friend update request " + "from unknown peer %s", uuid_utoa (friend_req.uuid)); + goto out; + } + gf_log ("glusterd", GF_LOG_INFO, + "Received friend update from uuid: %s", uuid_utoa (friend_req.uuid)); + + 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; + } else { + dict->extra_stdfree = friend_req.friends.friends_val; + } + } + + ret = dict_get_int32 (dict, "count", &count); + if (ret) + goto out; + + ret = dict_get_int32 (dict, "op", &op); + if (ret) + goto out; + + if (GD_FRIEND_UPDATE_DEL == op) { + ret = glusterd_handle_friend_update_delete (dict); + goto out; + } + + args.mode = GD_MODE_ON; + 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_INFO, "Received uuid: %s, hostname:%s", + uuid_buf, hostname); + + if (uuid_is_null (uuid)) { + gf_log (this->name, GF_LOG_WARNING, "Updates mustn't " + "contain peer with 'null' uuid"); + continue; + } + + if (!uuid_compare (uuid, MY_UUID)) { + gf_log ("", GF_LOG_INFO, "Received my uuid as Friend"); + i++; + continue; + } + + ret = glusterd_friend_find (uuid, hostname, &tmp); + + if (!ret) { + if (strcmp (hostname, tmp->hostname) != 0) { + glusterd_friend_hostname_update (tmp, hostname, + _gf_true); + } + i++; + continue; + } + + ret = glusterd_friend_add (hostname, friend_req.port, + GD_FRIEND_STATE_BEFRIENDED, + &uuid, &peerinfo, 0, &args); + + i++; + } + +out: + uuid_copy (rsp.uuid, MY_UUID); + ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gd1_mgmt_friend_update_rsp); + if (dict) { + if (!dict->extra_stdfree && friend_req.friends.friends_val) + free (friend_req.friends.friends_val);//malloced by xdr + dict_unref (dict); + } else { + free (friend_req.friends.friends_val);//malloced by xdr + } + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_friend_update (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_friend_update); +} + +int +__glusterd_handle_probe_query (rpcsvc_request_t *req) +{ + int32_t ret = -1; + xlator_t *this = NULL; + glusterd_conf_t *conf = NULL; + gd1_mgmt_probe_req probe_req = {{0},}; + gd1_mgmt_probe_rsp rsp = {{0},}; + glusterd_peerinfo_t *peerinfo = NULL; + glusterd_peerctx_args_t args = {0}; + int port = 0; + char remote_hostname[UNIX_PATH_MAX + 1] = {0,}; + + GF_ASSERT (req); + + ret = xdr_to_generic (req->msg[0], &probe_req, + (xdrproc_t)xdr_gd1_mgmt_probe_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + this = THIS; + + conf = this->private; + if (probe_req.port) + port = probe_req.port; + else + port = GF_DEFAULT_BASE_PORT; + + gf_log ("glusterd", GF_LOG_INFO, + "Received probe from uuid: %s", uuid_utoa (probe_req.uuid)); + + /* Check for uuid collision and handle it in a user friendly way by + * sending the error. + */ + if (!uuid_compare (probe_req.uuid, MY_UUID)) { + gf_log (THIS->name, GF_LOG_ERROR, "Peer uuid %s is same as " + "local uuid. Please check the uuid of both the peers " + "from %s/%s", uuid_utoa (probe_req.uuid), + GLUSTERD_DEFAULT_WORKDIR, GLUSTERD_INFO_FILE); + rsp.op_ret = -1; + rsp.op_errno = GF_PROBE_SAME_UUID; + rsp.port = port; + goto respond; + } + + ret = glusterd_remote_hostname_get (req, remote_hostname, + sizeof (remote_hostname)); + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to get the remote hostname"); + goto out; + } + ret = glusterd_friend_find (probe_req.uuid, remote_hostname, &peerinfo); + if ((ret != 0 ) && (!list_empty (&conf->peers))) { + rsp.op_ret = -1; + rsp.op_errno = GF_PROBE_ANOTHER_CLUSTER; + } else if (ret) { + gf_log ("glusterd", GF_LOG_INFO, "Unable to find peerinfo" + " for host: %s (%d)", remote_hostname, port); + args.mode = GD_MODE_ON; + ret = glusterd_friend_add (remote_hostname, port, + GD_FRIEND_STATE_PROBE_RCVD, + NULL, &peerinfo, 0, &args); + if (ret) { + gf_log ("", GF_LOG_ERROR, "Failed to add peer %s", + remote_hostname); + rsp.op_errno = GF_PROBE_ADD_FAILED; + } + } + +respond: + uuid_copy (rsp.uuid, MY_UUID); + + rsp.hostname = probe_req.hostname; + rsp.op_errstr = ""; + + glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gd1_mgmt_probe_rsp); + ret = 0; + + gf_log ("glusterd", GF_LOG_INFO, "Responded to %s, op_ret: %d, " + "op_errno: %d, ret: %d", remote_hostname, + rsp.op_ret, rsp.op_errno, ret); + +out: + free (probe_req.hostname);//malloced by xdr + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int glusterd_handle_probe_query (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_probe_query); +} + +int +__glusterd_handle_cli_profile_volume (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gf_cli_req cli_req = {{0,}}; + dict_t *dict = NULL; + glusterd_op_t cli_op = GD_OP_PROFILE_VOLUME; + char *volname = NULL; + int32_t op = 0; + char err_str[2048] = {0,}; + xlator_t *this = NULL; + + GF_ASSERT (req); + this = THIS; + GF_ASSERT (this); + + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + if (cli_req.dict.dict_len > 0) { + dict = dict_new(); + if (!dict) + goto out; + dict_unserialize (cli_req.dict.dict_val, + cli_req.dict.dict_len, &dict); + } + + ret = dict_get_str (dict, "volname", &volname); + if (ret) { + snprintf (err_str, sizeof (err_str), "Unable to get volume " + "name"); + gf_log (this->name, GF_LOG_ERROR, "%s", err_str); + goto out; + } + + gf_log (this->name, GF_LOG_INFO, "Received volume profile req " + "for volume %s", volname); + ret = dict_get_int32 (dict, "op", &op); + if (ret) { + snprintf (err_str, sizeof (err_str), "Unable to get operation"); + gf_log (this->name, GF_LOG_ERROR, "%s", err_str); + goto out; + } + + ret = glusterd_op_begin (req, cli_op, dict, err_str, sizeof (err_str)); + +out: + glusterd_friend_sm (); + glusterd_op_sm (); + + free (cli_req.dict.dict_val); + + if (ret) { + if (err_str[0] == '\0') + snprintf (err_str, sizeof (err_str), + "Operation failed"); + ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, + dict, err_str); + } + + gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret); + return ret; +} + +int +glusterd_handle_cli_profile_volume (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_cli_profile_volume); +} + +int +__glusterd_handle_getwd (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gf1_cli_getwd_rsp rsp = {0,}; + glusterd_conf_t *priv = NULL; + + GF_ASSERT (req); + + priv = THIS->private; + GF_ASSERT (priv); + + gf_log ("glusterd", GF_LOG_INFO, "Received getwd req"); + + rsp.wd = priv->workdir; + + glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf1_cli_getwd_rsp); + ret = 0; + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_getwd (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_getwd); +} + +int +__glusterd_handle_mount (rpcsvc_request_t *req) +{ + gf1_cli_mount_req mnt_req = {0,}; + gf1_cli_mount_rsp rsp = {0,}; + dict_t *dict = NULL; + int ret = 0; + glusterd_conf_t *priv = NULL; + + GF_ASSERT (req); + priv = THIS->private; + + ret = xdr_to_generic (req->msg[0], &mnt_req, + (xdrproc_t)xdr_gf1_cli_mount_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + rsp.op_ret = -1; + rsp.op_errno = EINVAL; + goto out; + } + + gf_log ("glusterd", GF_LOG_INFO, "Received mount req"); + + if (mnt_req.dict.dict_len) { + /* Unserialize the dictionary */ + dict = dict_new (); + + ret = dict_unserialize (mnt_req.dict.dict_val, + mnt_req.dict.dict_len, + &dict); + if (ret < 0) { + gf_log ("glusterd", GF_LOG_ERROR, + "failed to " + "unserialize req-buffer to dictionary"); + rsp.op_ret = -1; + rsp.op_errno = -EINVAL; + goto out; + } else { + dict->extra_stdfree = mnt_req.dict.dict_val; + } + } + + synclock_unlock (&priv->big_lock); + rsp.op_ret = glusterd_do_mount (mnt_req.label, dict, + &rsp.path, &rsp.op_errno); + synclock_lock (&priv->big_lock); + + out: + if (!rsp.path) + rsp.path = ""; + + glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf1_cli_mount_rsp); + ret = 0; + + if (dict) + dict_unref (dict); + if (*rsp.path) + GF_FREE (rsp.path); + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_mount (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_mount); +} + +int +__glusterd_handle_umount (rpcsvc_request_t *req) +{ + gf1_cli_umount_req umnt_req = {0,}; + gf1_cli_umount_rsp rsp = {0,}; + char *mountbroker_root = NULL; + char mntp[PATH_MAX] = {0,}; + char *path = NULL; + runner_t runner = {0,}; + int ret = 0; + xlator_t *this = THIS; + gf_boolean_t dir_ok = _gf_false; + char *pdir = NULL; + char *t = NULL; + glusterd_conf_t *priv = NULL; + + GF_ASSERT (req); + GF_ASSERT (this); + priv = this->private; + + ret = xdr_to_generic (req->msg[0], &umnt_req, + (xdrproc_t)xdr_gf1_cli_umount_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + rsp.op_ret = -1; + goto out; + } + + gf_log ("glusterd", GF_LOG_INFO, "Received umount req"); + + if (dict_get_str (this->options, "mountbroker-root", + &mountbroker_root) != 0) { + rsp.op_errno = ENOENT; + goto out; + } + + /* check if it is allowed to umount path */ + path = gf_strdup (umnt_req.path); + if (!path) { + rsp.op_errno = ENOMEM; + goto out; + } + dir_ok = _gf_false; + pdir = dirname (path); + t = strtail (pdir, mountbroker_root); + if (t && *t == '/') { + t = strtail(++t, MB_HIVE); + if (t && !*t) + dir_ok = _gf_true; + } + GF_FREE (path); + if (!dir_ok) { + rsp.op_errno = EACCES; + goto out; + } + + runinit (&runner); + runner_add_args (&runner, "umount", umnt_req.path, NULL); + if (umnt_req.lazy) + runner_add_arg (&runner, "-l"); + synclock_unlock (&priv->big_lock); + rsp.op_ret = runner_run (&runner); + synclock_lock (&priv->big_lock); + if (rsp.op_ret == 0) { + if (realpath (umnt_req.path, mntp)) + rmdir (mntp); + else { + rsp.op_ret = -1; + rsp.op_errno = errno; + } + if (unlink (umnt_req.path) != 0) { + rsp.op_ret = -1; + rsp.op_errno = errno; + } + } + + out: + if (rsp.op_errno) + rsp.op_ret = -1; + + glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf1_cli_umount_rsp); + ret = 0; + + glusterd_friend_sm (); + glusterd_op_sm (); + + return ret; +} + +int +glusterd_handle_umount (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, __glusterd_handle_umount); +} + +int +glusterd_friend_remove (uuid_t uuid, char *hostname) +{ + int ret = 0; + glusterd_peerinfo_t *peerinfo = NULL; + + ret = glusterd_friend_find (uuid, hostname, &peerinfo); + if (ret) + goto out; + + ret = glusterd_friend_remove_cleanup_vols (peerinfo->uuid); + if (ret) + gf_log (THIS->name, GF_LOG_WARNING, "Volumes cleanup failed"); + ret = glusterd_friend_cleanup (peerinfo); +out: + gf_log ("", GF_LOG_DEBUG, "returning %d", ret); + return ret; +} + +int +glusterd_rpc_create (struct rpc_clnt **rpc, + dict_t *options, + rpc_clnt_notify_t notify_fn, + void *notify_data) +{ + struct rpc_clnt *new_rpc = NULL; + int ret = -1; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT (this); + + GF_ASSERT (options); + + /* TODO: is 32 enough? or more ? */ + new_rpc = rpc_clnt_new (options, this->ctx, this->name, 16); + if (!new_rpc) + goto out; + + ret = rpc_clnt_register_notify (new_rpc, notify_fn, notify_data); + *rpc = new_rpc; + if (ret) + goto out; + ret = rpc_clnt_start (new_rpc); +out: + if (ret) { + if (new_rpc) { + (void) rpc_clnt_unref (new_rpc); + } + } + + gf_log (this->name, GF_LOG_DEBUG, "returning %d", ret); + return ret; +} + +int +glusterd_transport_keepalive_options_get (int *interval, int *time) +{ + int ret = 0; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT (this); + + ret = dict_get_int32 (this->options, + "transport.socket.keepalive-interval", + interval); + ret = dict_get_int32 (this->options, + "transport.socket.keepalive-time", + time); + return 0; +} + +int +glusterd_transport_inet_options_build (dict_t **options, const char *hostname, + int port) +{ + dict_t *dict = NULL; + int32_t interval = -1; + int32_t time = -1; + int ret = 0; + + GF_ASSERT (options); + GF_ASSERT (hostname); + + if (!port) + port = GLUSTERD_DEFAULT_PORT; + + /* Build default transport options */ + ret = rpc_transport_inet_options_build (&dict, hostname, port); + if (ret) + goto out; + + /* Set frame-timeout to 10mins. Default timeout of 30 mins is too long + * when compared to 2 mins for cli timeout. This ensures users don't + * wait too long after cli timesout before being able to resume normal + * operations + */ + ret = dict_set_int32 (dict, "frame-timeout", 600); + if (ret) { + gf_log ("glusterd", GF_LOG_ERROR, + "Failed to set frame-timeout"); + goto out; + } + + /* Set keepalive options */ + glusterd_transport_keepalive_options_get (&interval, &time); + + if ((interval > 0) || (time > 0)) + ret = rpc_transport_keepalive_options_set (dict, interval, time); + *options = dict; +out: + gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret); + return ret; +} + +int +glusterd_friend_rpc_create (xlator_t *this, glusterd_peerinfo_t *peerinfo, + glusterd_peerctx_args_t *args) +{ + dict_t *options = NULL; + int ret = -1; + glusterd_peerctx_t *peerctx = NULL; + data_t *data = NULL; + + peerctx = GF_CALLOC (1, sizeof (*peerctx), gf_gld_mt_peerctx_t); + if (!peerctx) + goto out; + + if (args) + peerctx->args = *args; + + peerctx->peerinfo = peerinfo; + + ret = glusterd_transport_inet_options_build (&options, + peerinfo->hostname, + peerinfo->port); + if (ret) + goto out; + + /* + * For simulated multi-node testing, we need to make sure that we + * create our RPC endpoint with the same address that the peer would + * use to reach us. + */ + if (this->options) { + data = dict_get(this->options,"transport.socket.bind-address"); + if (data) { + ret = dict_set(options, + "transport.socket.source-addr",data); + } + } + + ret = glusterd_rpc_create (&peerinfo->rpc, options, + glusterd_peer_rpc_notify, peerctx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, "failed to create rpc for" + " peer %s", peerinfo->hostname); + goto out; + } + peerctx = NULL; + ret = 0; +out: + GF_FREE (peerctx); + return ret; +} + +int +glusterd_friend_add (const char *hoststr, int port, + glusterd_friend_sm_state_t state, + uuid_t *uuid, + glusterd_peerinfo_t **friend, + gf_boolean_t restore, + glusterd_peerctx_args_t *args) +{ + int ret = 0; + xlator_t *this = NULL; + glusterd_conf_t *conf = NULL; + + this = THIS; + conf = this->private; + GF_ASSERT (conf); + GF_ASSERT (hoststr); + + ret = glusterd_peerinfo_new (friend, state, uuid, hoststr, port); + if (ret) { + goto out; + } + + /* + * We can't add to the list after calling glusterd_friend_rpc_create, + * even if it succeeds, because by then the callback to take it back + * off and free might have happened already (notably in the case of an + * invalid peer name). That would mean we're adding something that had + * just been free, and we're likely to crash later. + */ + list_add_tail (&(*friend)->uuid_list, &conf->peers); + + //restore needs to first create the list of peers, then create rpcs + //to keep track of quorum in race-free manner. In restore for each peer + //rpc-create calls rpc_notify when the friend-list is partially + //constructed, leading to wrong quorum calculations. + if (!restore) { + ret = glusterd_store_peerinfo (*friend); + if (ret == 0) { + synclock_unlock (&conf->big_lock); + ret = glusterd_friend_rpc_create (this, *friend, args); + synclock_lock (&conf->big_lock); + } + else { + gf_log (this->name, GF_LOG_ERROR, + "Failed to store peerinfo"); + } + } + + if (ret) { + (void) glusterd_friend_cleanup (*friend); + *friend = NULL; + } + +out: + gf_log (this->name, GF_LOG_INFO, "connect returned %d", ret); + return ret; +} + +int +glusterd_probe_begin (rpcsvc_request_t *req, const char *hoststr, int port, + dict_t *dict) +{ + int ret = -1; + glusterd_peerinfo_t *peerinfo = NULL; + glusterd_peerctx_args_t args = {0}; + glusterd_friend_sm_event_t *event = NULL; + + GF_ASSERT (hoststr); + + ret = glusterd_friend_find (NULL, (char *)hoststr, &peerinfo); + + if (ret) { + gf_log ("glusterd", GF_LOG_INFO, "Unable to find peerinfo" + " for host: %s (%d)", hoststr, port); + args.mode = GD_MODE_ON; + args.req = req; + args.dict = dict; + ret = glusterd_friend_add ((char *)hoststr, port, + GD_FRIEND_STATE_DEFAULT, + NULL, &peerinfo, 0, &args); + if ((!ret) && (!peerinfo->connected)) { + ret = GLUSTERD_CONNECTION_AWAITED; + } + + } else if (peerinfo->connected && + (GD_FRIEND_STATE_BEFRIENDED == peerinfo->state.state)) { + ret = glusterd_friend_hostname_update (peerinfo, (char*)hoststr, + _gf_false); + if (ret) + goto out; + //this is just to rename so inject local acc for cluster update + ret = glusterd_friend_sm_new_event (GD_FRIEND_EVENT_LOCAL_ACC, + &event); + if (!ret) { + event->peerinfo = peerinfo; + ret = glusterd_friend_sm_inject_event (event); + glusterd_xfer_cli_probe_resp (req, 0, GF_PROBE_SUCCESS, + NULL, (char*)hoststr, + port, dict); + } + } else { + glusterd_xfer_cli_probe_resp (req, 0, GF_PROBE_FRIEND, NULL, + (char*)hoststr, port, dict); + } + +out: + gf_log ("", GF_LOG_DEBUG, "returning %d", ret); + return ret; +} + +int +glusterd_deprobe_begin (rpcsvc_request_t *req, const char *hoststr, int port, + uuid_t uuid, dict_t *dict) +{ + 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 (uuid, (char *)hoststr, &peerinfo); + + if (ret) { + gf_log ("glusterd", GF_LOG_INFO, "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; + ctx->dict = dict; + + 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, MY_UUID); + rsp.hostname = hostname; + rsp.port = port; + ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gd1_mgmt_friend_rsp); + + gf_log ("glusterd", GF_LOG_INFO, + "Responded to %s (%d), ret: %d", hostname, port, ret); + return ret; +} + + +int +glusterd_xfer_friend_add_resp (rpcsvc_request_t *req, char *myhostname, + char *remote_hostname, int port, int32_t op_ret, + int32_t op_errno) +{ + gd1_mgmt_friend_rsp rsp = {{0}, }; + int32_t ret = -1; + xlator_t *this = NULL; + glusterd_conf_t *conf = NULL; + + GF_ASSERT (myhostname); + + this = THIS; + GF_ASSERT (this); + + conf = this->private; + + uuid_copy (rsp.uuid, MY_UUID); + rsp.op_ret = op_ret; + rsp.op_errno = op_errno; + rsp.hostname = gf_strdup (myhostname); + rsp.port = port; + + ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gd1_mgmt_friend_rsp); + + gf_log ("glusterd", GF_LOG_INFO, + "Responded to %s (%d), ret: %d", remote_hostname, port, ret); + GF_FREE (rsp.hostname); + return ret; +} + +static void +set_probe_error_str (int op_ret, int op_errno, char *op_errstr, char *errstr, + size_t len, char *hostname, int port) +{ + if ((op_errstr) && (strcmp (op_errstr, ""))) { + snprintf (errstr, len, "%s", op_errstr); + return; + } + + if (!op_ret) { + switch (op_errno) { + case GF_PROBE_LOCALHOST: + snprintf (errstr, len, "Probe on localhost not " + "needed"); + break; + + case GF_PROBE_FRIEND: + snprintf (errstr, len, "Host %s port %d already" + " in peer list", hostname, port); + break; + + default: + if (op_errno != 0) + snprintf (errstr, len, "Probe returned " + "with unknown errno %d", + op_errno); + break; + } + } else { + switch (op_errno) { + case GF_PROBE_ANOTHER_CLUSTER: + snprintf (errstr, len, "%s is already part of " + "another cluster", hostname); + break; + + case GF_PROBE_VOLUME_CONFLICT: + snprintf (errstr, len, "Atleast one volume on " + "%s conflicts with existing volumes " + "in the cluster", hostname); + break; + + case GF_PROBE_UNKNOWN_PEER: + snprintf (errstr, len, "%s responded with " + "'unknown peer' error, this could " + "happen if %s doesn't have localhost " + "in its peer database", hostname, + hostname); + break; + + case GF_PROBE_ADD_FAILED: + snprintf (errstr, len, "Failed to add peer " + "information on %s", hostname); + break; + + case GF_PROBE_SAME_UUID: + snprintf (errstr, len, "Peer uuid (host %s) is " + "same as local uuid", hostname); + break; + + case GF_PROBE_QUORUM_NOT_MET: + snprintf (errstr, len, "Cluster quorum is not " + "met. Changing peers is not allowed " + "in this state"); + break; + + default: + snprintf (errstr, len, "Probe returned with " + "unknown errno %d", op_errno); + break; + } + } +} + +int +glusterd_xfer_cli_probe_resp (rpcsvc_request_t *req, int32_t op_ret, + int32_t op_errno, char *op_errstr, char *hostname, + int port, dict_t *dict) +{ + gf_cli_rsp rsp = {0,}; + int32_t ret = -1; + char errstr[2048] = {0,}; + char *cmd_str = NULL; + xlator_t *this = THIS; + + GF_ASSERT (req); + GF_ASSERT (this); + + (void) set_probe_error_str (op_ret, op_errno, op_errstr, errstr, + sizeof (errstr), hostname, port); + + if (dict) { + ret = dict_get_str (dict, "cmd-str", &cmd_str); + if (ret) + gf_log (this->name, GF_LOG_ERROR, "Failed to get " + "command string"); + } + + rsp.op_ret = op_ret; + rsp.op_errno = op_errno; + rsp.op_errstr = (errstr[0] != '\0') ? errstr : ""; + + gf_cmd_log ("", "%s : %s %s %s", cmd_str, + (op_ret) ? "FAILED" : "SUCCESS", + (errstr[0] != '\0') ? ":" : " ", + (errstr[0] != '\0') ? errstr : " "); + + ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf_cli_rsp); + + if (dict) + dict_unref (dict); + gf_log (this->name, GF_LOG_DEBUG, "Responded to CLI, ret: %d",ret); + + return ret; +} + +static void +set_deprobe_error_str (int op_ret, int op_errno, char *op_errstr, char *errstr, + size_t len, char *hostname) +{ + if ((op_errstr) && (strcmp (op_errstr, ""))) { + snprintf (errstr, len, "%s", op_errstr); + return; + } + + if (op_ret) { + switch (op_errno) { + case GF_DEPROBE_LOCALHOST: + snprintf (errstr, len, "%s is localhost", + hostname); + break; + + case GF_DEPROBE_NOT_FRIEND: + snprintf (errstr, len, "%s is not part of " + "cluster", hostname); + break; + + case GF_DEPROBE_BRICK_EXIST: + snprintf (errstr, len, "Brick(s) with the peer " + "%s exist in cluster", hostname); + break; + + case GF_DEPROBE_FRIEND_DOWN: + snprintf (errstr, len, "One of the peers is " + "probably down. Check with " + "'peer status'"); + break; + + case GF_DEPROBE_QUORUM_NOT_MET: + snprintf (errstr, len, "Cluster quorum is not " + "met. Changing peers is not allowed " + "in this state"); + break; + + default: + snprintf (errstr, len, "Detach returned with " + "unknown errno %d", op_errno); + break; + + } + } +} + + +int +glusterd_xfer_cli_deprobe_resp (rpcsvc_request_t *req, int32_t op_ret, + int32_t op_errno, char *op_errstr, + char *hostname, dict_t *dict) +{ + gf_cli_rsp rsp = {0,}; + int32_t ret = -1; + char *cmd_str = NULL; + char errstr[2048] = {0,}; + + GF_ASSERT (req); + + (void) set_deprobe_error_str (op_ret, op_errno, op_errstr, errstr, + sizeof (errstr), hostname); + + if (dict) { + ret = dict_get_str (dict, "cmd-str", &cmd_str); + if (ret) + gf_log (THIS->name, GF_LOG_ERROR, "Failed to get " + "command string"); + } + + rsp.op_ret = op_ret; + rsp.op_errno = op_errno; + rsp.op_errstr = (errstr[0] != '\0') ? errstr : ""; + + gf_cmd_log ("", "%s : %s %s %s", cmd_str, + (op_ret) ? "FAILED" : "SUCCESS", + (errstr[0] != '\0') ? ":" : " ", + (errstr[0] != '\0') ? errstr : " "); + + ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf_cli_rsp); + + gf_log (THIS->name, GF_LOG_DEBUG, "Responded to CLI, ret: %d",ret); + + 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,}; + char my_uuid_str[64] = {0,}; + char key[256] = {0,}; + + priv = THIS->private; + GF_ASSERT (priv); + + friends = dict_new (); + if (!friends) { + gf_log ("", GF_LOG_WARNING, "Out of Memory"); + goto out; + } + if (!list_empty (&priv->peers)) { + list_for_each_entry (entry, &priv->peers, uuid_list) { + count++; + ret = glusterd_add_peer_detail_to_dict (entry, + friends, count); + if (ret) + goto out; + } + } + + if (flags == GF_CLI_LIST_POOL_NODES) { + count++; + snprintf (key, 256, "friend%d.uuid", count); + uuid_utoa_r (MY_UUID, my_uuid_str); + ret = dict_set_str (friends, key, my_uuid_str); + if (ret) + goto out; + + snprintf (key, 256, "friend%d.hostname", count); + ret = dict_set_str (friends, key, "localhost"); + if (ret) + goto out; + + snprintf (key, 256, "friend%d.connected", count); + ret = dict_set_int32 (friends, key, 1); + 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, + &rsp.friends.friends_len); + + if (ret) + goto out; + + ret = 0; +out: + + if (friends) + dict_unref (friends); + + rsp.op_ret = ret; + + glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf1_cli_peer_list_rsp); + ret = 0; + 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; + gf_cli_rsp rsp = {0,}; + char *volname = NULL; + + priv = THIS->private; + GF_ASSERT (priv); + + volumes = dict_new (); + if (!volumes) { + gf_log ("", GF_LOG_WARNING, "Out of Memory"); + goto out; + } + + if (list_empty (&priv->volumes)) { + ret = 0; + goto respond; + } + + if (flags == GF_CLI_GET_VOLUME_ALL) { + list_for_each_entry (entry, &priv->volumes, vol_list) { + ret = glusterd_add_volume_detail_to_dict (entry, + volumes, count); + if (ret) + goto respond; + + count++; + + } + + } else if (flags == GF_CLI_GET_NEXT_VOLUME) { + ret = dict_get_str (dict, "volname", &volname); + + if (ret) { + if (priv->volumes.next) { + entry = list_entry (priv->volumes.next, + typeof (*entry), + vol_list); + } + } else { + ret = glusterd_volinfo_find (volname, &entry); + if (ret) + goto respond; + entry = list_entry (entry->vol_list.next, + typeof (*entry), + vol_list); + } + + if (&entry->vol_list == &priv->volumes) { + goto respond; + } else { + ret = glusterd_add_volume_detail_to_dict (entry, + volumes, count); + if (ret) + goto respond; + + count++; + } + } else if (flags == GF_CLI_GET_VOLUME) { + ret = dict_get_str (dict, "volname", &volname); + if (ret) + goto respond; + + ret = glusterd_volinfo_find (volname, &entry); + if (ret) + goto respond; + + ret = glusterd_add_volume_detail_to_dict (entry, + volumes, count); + if (ret) + goto respond; + + count++; + } + +respond: + ret = dict_set_int32 (volumes, "count", count); + if (ret) + goto out; + ret = dict_allocate_and_serialize (volumes, &rsp.dict.dict_val, + &rsp.dict.dict_len); + + if (ret) + goto out; + + ret = 0; +out: + rsp.op_ret = ret; + + rsp.op_errstr = ""; + glusterd_submit_reply (req, &rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gf_cli_rsp); + ret = 0; + + if (volumes) + dict_unref (volumes); + + GF_FREE (rsp.dict.dict_val); + return ret; +} + +int +__glusterd_handle_status_volume (rpcsvc_request_t *req) +{ + int32_t ret = -1; + uint32_t cmd = 0; + dict_t *dict = NULL; + char *volname = 0; + gf_cli_req cli_req = {{0,}}; + glusterd_op_t cli_op = GD_OP_STATUS_VOLUME; + char err_str[2048] = {0,}; + xlator_t *this = NULL; + + GF_ASSERT (req); + this = THIS; + GF_ASSERT (this); + + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + //failed to decode msg; + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + if (cli_req.dict.dict_len > 0) { + dict = dict_new(); + if (!dict) + goto out; + ret = dict_unserialize (cli_req.dict.dict_val, + cli_req.dict.dict_len, &dict); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, "failed to " + "unserialize buffer"); + snprintf (err_str, sizeof (err_str), "Unable to decode " + "the command"); + goto out; + } + + } + + ret = dict_get_uint32 (dict, "cmd", &cmd); + if (ret) + goto out; + + if (!(cmd & GF_CLI_STATUS_ALL)) { + ret = dict_get_str (dict, "volname", &volname); + if (ret) { + snprintf (err_str, sizeof (err_str), "Unable to get " + "volume name"); + gf_log (this->name, GF_LOG_ERROR, "%s", err_str); + goto out; + } + gf_log (this->name, GF_LOG_INFO, + "Received status volume req for volume %s", volname); + + } + + ret = glusterd_op_begin_synctask (req, GD_OP_STATUS_VOLUME, dict); + +out: + + if (ret) { + if (err_str[0] == '\0') + snprintf (err_str, sizeof (err_str), + "Operation failed"); + ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, + dict, err_str); + } + free (cli_req.dict.dict_val); + + return ret; +} + +int +glusterd_handle_status_volume (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_status_volume); +} + +int +__glusterd_handle_cli_clearlocks_volume (rpcsvc_request_t *req) +{ + int32_t ret = -1; + gf_cli_req cli_req = {{0,}}; + glusterd_op_t cli_op = GD_OP_CLEARLOCKS_VOLUME; + char *volname = NULL; + dict_t *dict = NULL; + char err_str[2048] = {0,}; + xlator_t *this = NULL; + + GF_ASSERT (req); + this = THIS; + GF_ASSERT (this); + + ret = -1; + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + if (cli_req.dict.dict_len) { + dict = dict_new (); + + ret = dict_unserialize (cli_req.dict.dict_val, + cli_req.dict.dict_len, + &dict); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, + "failed to unserialize req-buffer to" + " dictionary"); + snprintf (err_str, sizeof (err_str), "unable to decode " + "the command"); + goto out; + } + + } else { + ret = -1; + gf_log (this->name, GF_LOG_ERROR, "Empty cli request."); + goto out; + } + + ret = dict_get_str (dict, "volname", &volname); + if (ret) { + snprintf (err_str, sizeof (err_str), "Unable to get volume " + "name"); + gf_log (this->name, GF_LOG_ERROR, "%s", err_str); + goto out; + } + + gf_log (this->name, GF_LOG_INFO, "Received clear-locks volume req " + "for volume %s", volname); + + ret = glusterd_op_begin_synctask (req, GD_OP_CLEARLOCKS_VOLUME, dict); + +out: + if (ret) { + if (err_str[0] == '\0') + snprintf (err_str, sizeof (err_str), + "Operation failed"); + ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, + dict, err_str); + } + free (cli_req.dict.dict_val); + + return ret; +} + +int +glusterd_handle_cli_clearlocks_volume (rpcsvc_request_t *req) +{ + return glusterd_big_locked_handler (req, + __glusterd_handle_cli_clearlocks_volume); +} + +static int +get_brickinfo_from_brickid (char *brickid, glusterd_brickinfo_t **brickinfo) +{ + glusterd_volinfo_t *volinfo = NULL; + char *volid_str = NULL; + char *brick = NULL; + char *brickid_dup = NULL; + uuid_t volid = {0}; + int ret = -1; + + brickid_dup = gf_strdup (brickid); + if (!brickid_dup) + goto out; + + volid_str = brickid_dup; + brick = strchr (brickid_dup, ':'); + *brick = '\0'; + brick++; + if (!volid_str || !brick) + goto out; + + uuid_parse (volid_str, volid); + ret = glusterd_volinfo_find_by_volume_id (volid, &volinfo); + if (ret) { + /* Check if it a snapshot volume */ + ret = glusterd_snap_volinfo_find_by_volume_id (volid, &volinfo); + if (ret) + goto out; + } + + ret = glusterd_volume_brickinfo_get_by_brick (brick, volinfo, + brickinfo); + if (ret) + goto out; + + ret = 0; +out: + GF_FREE (brickid_dup); + return ret; +} + +int +__glusterd_brick_rpc_notify (struct rpc_clnt *rpc, void *mydata, + rpc_clnt_event_t event, void *data) +{ + xlator_t *this = NULL; + glusterd_conf_t *conf = NULL; + int ret = 0; + char *brickid = NULL; + glusterd_brickinfo_t *brickinfo = NULL; + + brickid = mydata; + if (!brickid) + return 0; + + ret = get_brickinfo_from_brickid (brickid, &brickinfo); + if (ret) + return 0; + + this = THIS; + GF_ASSERT (this); + conf = this->private; + GF_ASSERT (conf); + + switch (event) { + case RPC_CLNT_CONNECT: + gf_log (this->name, GF_LOG_DEBUG, "Connected to %s:%s", + brickinfo->hostname, brickinfo->path); + glusterd_set_brick_status (brickinfo, GF_BRICK_STARTED); + ret = default_notify (this, GF_EVENT_CHILD_UP, NULL); + + break; + + case RPC_CLNT_DISCONNECT: + if (GF_BRICK_STARTED == brickinfo->status) + gf_log (this->name, GF_LOG_INFO, "Disconnected from " + "%s:%s", brickinfo->hostname, brickinfo->path); + + glusterd_set_brick_status (brickinfo, GF_BRICK_STOPPED); + if (rpc_clnt_is_disabled (rpc)) + GF_FREE (brickid); + break; + + default: + gf_log (this->name, GF_LOG_TRACE, + "got some other RPC event %d", event); + break; + } + + return ret; +} + +int +glusterd_brick_rpc_notify (struct rpc_clnt *rpc, void *mydata, + rpc_clnt_event_t event, void *data) +{ + return glusterd_big_locked_notify (rpc, mydata, event, data, + __glusterd_brick_rpc_notify); +} + +int +__glusterd_nodesvc_rpc_notify (struct rpc_clnt *rpc, void *mydata, + rpc_clnt_event_t event, void *data) +{ + xlator_t *this = NULL; + glusterd_conf_t *conf = NULL; + char *server = NULL; + int ret = 0; + + this = THIS; + GF_ASSERT (this); + conf = this->private; + GF_ASSERT (conf); + + server = mydata; + if (!server) + return 0; + + switch (event) { + case RPC_CLNT_CONNECT: + gf_log (this->name, GF_LOG_DEBUG, "got RPC_CLNT_CONNECT"); + (void) glusterd_nodesvc_set_online_status (server, _gf_true); + ret = default_notify (this, GF_EVENT_CHILD_UP, NULL); + + break; + + case RPC_CLNT_DISCONNECT: + gf_log (this->name, GF_LOG_DEBUG, "got RPC_CLNT_DISCONNECT"); + (void) glusterd_nodesvc_set_online_status (server, _gf_false); + break; + + default: + gf_log (this->name, GF_LOG_TRACE, + "got some other RPC event %d", event); + break; + } + + return ret; +} + +int +glusterd_nodesvc_rpc_notify (struct rpc_clnt *rpc, void *mydata, + rpc_clnt_event_t event, void *data) +{ + return glusterd_big_locked_notify (rpc, mydata, event, data, + __glusterd_nodesvc_rpc_notify); +} + +int +glusterd_friend_remove_notify (glusterd_peerctx_t *peerctx) +{ + int ret = -1; + glusterd_friend_sm_event_t *new_event = NULL; + glusterd_peerinfo_t *peerinfo = peerctx->peerinfo; + rpcsvc_request_t *req = peerctx->args.req; + char *errstr = peerctx->errstr; + dict_t *dict = NULL; + + GF_ASSERT (peerctx); + + peerinfo = peerctx->peerinfo; + req = peerctx->args.req; + dict = peerctx->args.dict; + errstr = peerctx->errstr; + + ret = glusterd_friend_sm_new_event (GD_FRIEND_EVENT_REMOVE_FRIEND, + &new_event); + if (!ret) { + if (!req) { + gf_log (THIS->name, GF_LOG_WARNING, + "Unable to find the request for responding " + "to User (%s)", peerinfo->hostname); + goto out; + } + + glusterd_xfer_cli_probe_resp (req, -1, ENOTCONN, errstr, + peerinfo->hostname, + peerinfo->port, dict); + + new_event->peerinfo = peerinfo; + ret = glusterd_friend_sm_inject_event (new_event); + + } else { + gf_log ("glusterd", GF_LOG_ERROR, + "Unable to create event for removing peer %s", + peerinfo->hostname); + } + +out: + return ret; +} + +int +__glusterd_peer_rpc_notify (struct rpc_clnt *rpc, void *mydata, + rpc_clnt_event_t event, void *data) +{ + xlator_t *this = NULL; + glusterd_conf_t *conf = NULL; + int ret = 0; + glusterd_peerinfo_t *peerinfo = NULL; + glusterd_peerctx_t *peerctx = NULL; + gf_boolean_t quorum_action = _gf_false; + glusterd_volinfo_t *volinfo = NULL; + + peerctx = mydata; + if (!peerctx) + return 0; + + peerinfo = peerctx->peerinfo; + this = THIS; + conf = this->private; + + switch (event) { + case RPC_CLNT_CONNECT: + { + gf_log (this->name, GF_LOG_DEBUG, "got RPC_CLNT_CONNECT"); + peerinfo->connected = 1; + peerinfo->quorum_action = _gf_true; + + ret = glusterd_peer_dump_version (this, rpc, peerctx); + if (ret) + gf_log ("", GF_LOG_ERROR, "glusterd handshake failed"); + break; + } + + case RPC_CLNT_DISCONNECT: + { + gf_log (this->name, GF_LOG_DEBUG, "got RPC_CLNT_DISCONNECT %d", + peerinfo->state.state); + + if (peerinfo->connected) { + list_for_each_entry (volinfo, &conf->volumes, vol_list) { + ret = glusterd_mgmt_v3_unlock (volinfo->volname, + peerinfo->uuid, + "vol"); + if (ret) + gf_log (this->name, GF_LOG_TRACE, + "Lock not released for %s", + volinfo->volname); + } + + ret = 0; + } + + if ((peerinfo->quorum_contrib != QUORUM_DOWN) && + (peerinfo->state.state == GD_FRIEND_STATE_BEFRIENDED)) { + peerinfo->quorum_contrib = QUORUM_DOWN; + quorum_action = _gf_true; + peerinfo->quorum_action = _gf_false; + } + + /* Remove peer if it is not a friend and connection/handshake + * fails, and notify cli. Happens only during probe. + */ + if (peerinfo->state.state == GD_FRIEND_STATE_DEFAULT) { + glusterd_friend_remove_notify (peerctx); + goto out; + } + + peerinfo->connected = 0; + break; + } + default: + gf_log (this->name, GF_LOG_TRACE, + "got some other RPC event %d", event); + ret = 0; + break; + } + +out: + glusterd_friend_sm (); + glusterd_op_sm (); + if (quorum_action) + glusterd_do_quorum_action (); + return ret; +} + +int +glusterd_peer_rpc_notify (struct rpc_clnt *rpc, void *mydata, + rpc_clnt_event_t event, void *data) +{ + return glusterd_big_locked_notify (rpc, mydata, event, data, + __glusterd_peer_rpc_notify); +} + +int +glusterd_null (rpcsvc_request_t *req) +{ + + return 0; +} + +rpcsvc_actor_t gd_svc_mgmt_actors[] = { + [GLUSTERD_MGMT_NULL] = { "NULL", GLUSTERD_MGMT_NULL, glusterd_null, NULL, 0, DRC_NA}, + [GLUSTERD_MGMT_CLUSTER_LOCK] = { "CLUSTER_LOCK", GLUSTERD_MGMT_CLUSTER_LOCK, glusterd_handle_cluster_lock, NULL, 0, DRC_NA}, + [GLUSTERD_MGMT_CLUSTER_UNLOCK] = { "CLUSTER_UNLOCK", GLUSTERD_MGMT_CLUSTER_UNLOCK, glusterd_handle_cluster_unlock, NULL, 0, DRC_NA}, + [GLUSTERD_MGMT_STAGE_OP] = { "STAGE_OP", GLUSTERD_MGMT_STAGE_OP, glusterd_handle_stage_op, NULL, 0, DRC_NA}, + [GLUSTERD_MGMT_COMMIT_OP] = { "COMMIT_OP", GLUSTERD_MGMT_COMMIT_OP, glusterd_handle_commit_op, NULL, 0, DRC_NA}, +}; + +struct rpcsvc_program gd_svc_mgmt_prog = { + .progname = "GlusterD svc mgmt", + .prognum = GD_MGMT_PROGRAM, + .progver = GD_MGMT_VERSION, + .numactors = GLUSTERD_MGMT_MAXVALUE, + .actors = gd_svc_mgmt_actors, + .synctask = _gf_true, +}; + +rpcsvc_actor_t gd_svc_peer_actors[] = { + [GLUSTERD_FRIEND_NULL] = { "NULL", GLUSTERD_MGMT_NULL, glusterd_null, NULL, 0, DRC_NA}, + [GLUSTERD_PROBE_QUERY] = { "PROBE_QUERY", GLUSTERD_PROBE_QUERY, glusterd_handle_probe_query, NULL, 0, DRC_NA}, + [GLUSTERD_FRIEND_ADD] = { "FRIEND_ADD", GLUSTERD_FRIEND_ADD, glusterd_handle_incoming_friend_req, NULL, 0, DRC_NA}, + [GLUSTERD_FRIEND_REMOVE] = { "FRIEND_REMOVE", GLUSTERD_FRIEND_REMOVE, glusterd_handle_incoming_unfriend_req, NULL, 0, DRC_NA}, + [GLUSTERD_FRIEND_UPDATE] = { "FRIEND_UPDATE", GLUSTERD_FRIEND_UPDATE, glusterd_handle_friend_update, NULL, 0, DRC_NA}, +}; + +struct rpcsvc_program gd_svc_peer_prog = { + .progname = "GlusterD svc peer", + .prognum = GD_FRIEND_PROGRAM, + .progver = GD_FRIEND_VERSION, + .numactors = GLUSTERD_FRIEND_MAXVALUE, + .actors = gd_svc_peer_actors, + .synctask = _gf_false, +}; + + + +rpcsvc_actor_t gd_svc_cli_actors[] = { + [GLUSTER_CLI_PROBE] = { "CLI_PROBE", GLUSTER_CLI_PROBE, glusterd_handle_cli_probe, NULL, 0, DRC_NA}, + [GLUSTER_CLI_CREATE_VOLUME] = { "CLI_CREATE_VOLUME", GLUSTER_CLI_CREATE_VOLUME, glusterd_handle_create_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_DEFRAG_VOLUME] = { "CLI_DEFRAG_VOLUME", GLUSTER_CLI_DEFRAG_VOLUME, glusterd_handle_defrag_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_DEPROBE] = { "FRIEND_REMOVE", GLUSTER_CLI_DEPROBE, glusterd_handle_cli_deprobe, NULL, 0, DRC_NA}, + [GLUSTER_CLI_LIST_FRIENDS] = { "LIST_FRIENDS", GLUSTER_CLI_LIST_FRIENDS, glusterd_handle_cli_list_friends, NULL, 0, DRC_NA}, + [GLUSTER_CLI_UUID_RESET] = { "UUID_RESET", GLUSTER_CLI_UUID_RESET, glusterd_handle_cli_uuid_reset, NULL, 0, DRC_NA}, + [GLUSTER_CLI_UUID_GET] = { "UUID_GET", GLUSTER_CLI_UUID_GET, glusterd_handle_cli_uuid_get, NULL, 0, DRC_NA}, + [GLUSTER_CLI_START_VOLUME] = { "START_VOLUME", GLUSTER_CLI_START_VOLUME, glusterd_handle_cli_start_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_STOP_VOLUME] = { "STOP_VOLUME", GLUSTER_CLI_STOP_VOLUME, glusterd_handle_cli_stop_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_DELETE_VOLUME] = { "DELETE_VOLUME", GLUSTER_CLI_DELETE_VOLUME, glusterd_handle_cli_delete_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_GET_VOLUME] = { "GET_VOLUME", GLUSTER_CLI_GET_VOLUME, glusterd_handle_cli_get_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_ADD_BRICK] = { "ADD_BRICK", GLUSTER_CLI_ADD_BRICK, glusterd_handle_add_brick, NULL, 0, DRC_NA}, + [GLUSTER_CLI_REPLACE_BRICK] = { "REPLACE_BRICK", GLUSTER_CLI_REPLACE_BRICK, glusterd_handle_replace_brick, NULL, 0, DRC_NA}, + [GLUSTER_CLI_REMOVE_BRICK] = { "REMOVE_BRICK", GLUSTER_CLI_REMOVE_BRICK, glusterd_handle_remove_brick, NULL, 0, DRC_NA}, + [GLUSTER_CLI_LOG_ROTATE] = { "LOG FILENAME", GLUSTER_CLI_LOG_ROTATE, glusterd_handle_log_rotate, NULL, 0, DRC_NA}, + [GLUSTER_CLI_SET_VOLUME] = { "SET_VOLUME", GLUSTER_CLI_SET_VOLUME, glusterd_handle_set_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_SYNC_VOLUME] = { "SYNC_VOLUME", GLUSTER_CLI_SYNC_VOLUME, glusterd_handle_sync_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_RESET_VOLUME] = { "RESET_VOLUME", GLUSTER_CLI_RESET_VOLUME, glusterd_handle_reset_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_FSM_LOG] = { "FSM_LOG", GLUSTER_CLI_FSM_LOG, glusterd_handle_fsm_log, NULL, 0, DRC_NA}, + [GLUSTER_CLI_GSYNC_SET] = { "GSYNC_SET", GLUSTER_CLI_GSYNC_SET, glusterd_handle_gsync_set, NULL, 0, DRC_NA}, + [GLUSTER_CLI_PROFILE_VOLUME] = { "STATS_VOLUME", GLUSTER_CLI_PROFILE_VOLUME, glusterd_handle_cli_profile_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_QUOTA] = { "QUOTA", GLUSTER_CLI_QUOTA, glusterd_handle_quota, NULL, 0, DRC_NA}, + [GLUSTER_CLI_GETWD] = { "GETWD", GLUSTER_CLI_GETWD, glusterd_handle_getwd, NULL, 1, DRC_NA}, + [GLUSTER_CLI_STATUS_VOLUME] = {"STATUS_VOLUME", GLUSTER_CLI_STATUS_VOLUME, glusterd_handle_status_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_MOUNT] = { "MOUNT", GLUSTER_CLI_MOUNT, glusterd_handle_mount, NULL, 1, DRC_NA}, + [GLUSTER_CLI_UMOUNT] = { "UMOUNT", GLUSTER_CLI_UMOUNT, glusterd_handle_umount, NULL, 1, DRC_NA}, + [GLUSTER_CLI_HEAL_VOLUME] = { "HEAL_VOLUME", GLUSTER_CLI_HEAL_VOLUME, glusterd_handle_cli_heal_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_STATEDUMP_VOLUME] = {"STATEDUMP_VOLUME", GLUSTER_CLI_STATEDUMP_VOLUME, glusterd_handle_cli_statedump_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_LIST_VOLUME] = {"LIST_VOLUME", GLUSTER_CLI_LIST_VOLUME, glusterd_handle_cli_list_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_CLRLOCKS_VOLUME] = {"CLEARLOCKS_VOLUME", GLUSTER_CLI_CLRLOCKS_VOLUME, glusterd_handle_cli_clearlocks_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_COPY_FILE] = {"COPY_FILE", GLUSTER_CLI_COPY_FILE, glusterd_handle_copy_file, NULL, 0, DRC_NA}, + [GLUSTER_CLI_SYS_EXEC] = {"SYS_EXEC", GLUSTER_CLI_SYS_EXEC, glusterd_handle_sys_exec, NULL, 0, DRC_NA}, + [GLUSTER_CLI_SNAP] = {"SNAP", GLUSTER_CLI_SNAP, glusterd_handle_snapshot, NULL, 0, DRC_NA}, +}; + +struct rpcsvc_program gd_svc_cli_prog = { + .progname = "GlusterD svc cli", + .prognum = GLUSTER_CLI_PROGRAM, + .progver = GLUSTER_CLI_VERSION, + .numactors = GLUSTER_CLI_MAXVALUE, + .actors = gd_svc_cli_actors, + .synctask = _gf_true, +}; + +/* This is a minimal RPC prog, which contains only the readonly RPC procs from + * the cli rpcsvc + */ +rpcsvc_actor_t gd_svc_cli_actors_ro[] = { + [GLUSTER_CLI_LIST_FRIENDS] = { "LIST_FRIENDS", GLUSTER_CLI_LIST_FRIENDS, glusterd_handle_cli_list_friends, NULL, 0, DRC_NA}, + [GLUSTER_CLI_UUID_GET] = { "UUID_GET", GLUSTER_CLI_UUID_GET, glusterd_handle_cli_uuid_get, NULL, 0, DRC_NA}, + [GLUSTER_CLI_GET_VOLUME] = { "GET_VOLUME", GLUSTER_CLI_GET_VOLUME, glusterd_handle_cli_get_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_GETWD] = { "GETWD", GLUSTER_CLI_GETWD, glusterd_handle_getwd, NULL, 1, DRC_NA}, + [GLUSTER_CLI_STATUS_VOLUME] = {"STATUS_VOLUME", GLUSTER_CLI_STATUS_VOLUME, glusterd_handle_status_volume, NULL, 0, DRC_NA}, + [GLUSTER_CLI_LIST_VOLUME] = {"LIST_VOLUME", GLUSTER_CLI_LIST_VOLUME, glusterd_handle_cli_list_volume, NULL, 0, DRC_NA}, +}; + +struct rpcsvc_program gd_svc_cli_prog_ro = { + .progname = "GlusterD svc cli read-only", + .prognum = GLUSTER_CLI_PROGRAM, + .progver = GLUSTER_CLI_VERSION, + .numactors = GLUSTER_CLI_MAXVALUE, + .actors = gd_svc_cli_actors_ro, + .synctask = _gf_true, +}; |