diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-handler.c | 70 | ||||
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-handshake.c | 201 | ||||
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-sm.h | 1 | ||||
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd.c | 2 | ||||
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd.h | 4 |
5 files changed, 208 insertions, 70 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c index 3af8d03fdf4..08eb6abd756 100644 --- a/xlators/mgmt/glusterd/src/glusterd-handler.c +++ b/xlators/mgmt/glusterd/src/glusterd-handler.c @@ -3427,60 +3427,11 @@ out: return ret; } -static int -glusterd_event_connected_inject (glusterd_peerctx_t *peerctx) -{ - GF_ASSERT (peerctx); - - glusterd_friend_sm_event_t *event = NULL; - glusterd_probe_ctx_t *ctx = NULL; - int ret = -1; - glusterd_peerinfo_t *peerinfo = NULL; - - - ret = glusterd_friend_sm_new_event - (GD_FRIEND_EVENT_CONNECTED, &event); - - if (ret) { - gf_log ("", GF_LOG_ERROR, "Unable to get new event"); - goto out; - } - - ctx = GF_CALLOC (1, sizeof(*ctx), gf_gld_mt_probe_ctx_t); - - if (!ctx) { - ret = -1; - gf_log ("", GF_LOG_ERROR, "Memory not available"); - goto out; - } - - peerinfo = peerctx->peerinfo; - ctx->hostname = gf_strdup (peerinfo->hostname); - ctx->port = peerinfo->port; - ctx->req = peerctx->args.req; - - event->peerinfo = peerinfo; - event->ctx = ctx; - - ret = glusterd_friend_sm_inject_event (event); - - if (ret) { - gf_log ("glusterd", GF_LOG_ERROR, "Unable to inject " - "EVENT_CONNECTED ret = %d", ret); - goto out; - } - -out: - gf_log ("", GF_LOG_DEBUG, "returning %d", ret); - return ret; -} - int glusterd_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event, void *data) { xlator_t *this = NULL; - char *handshake = "on"; glusterd_conf_t *conf = NULL; int ret = 0; glusterd_peerinfo_t *peerinfo = NULL; @@ -3494,30 +3445,15 @@ glusterd_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event, 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; - if ((ret < 0) || (strcasecmp (handshake, "on"))) { - //ret = glusterd_handshake (this, peerinfo->rpc); - - } else { - //conf->rpc->connected = 1; - ret = default_notify (this, GF_EVENT_CHILD_UP, NULL); - } - - if (GD_MODE_ON == peerctx->args.mode) { - ret = glusterd_event_connected_inject (peerctx); - peerctx->args.req = NULL; - } else if (GD_MODE_SWITCH_ON == peerctx->args.mode) { - peerctx->args.mode = GD_MODE_ON; - } - - glusterd_friend_sm (); - glusterd_op_sm (); + ret = glusterd_peer_handshake (this, rpc, peerctx); + if (ret) + gf_log ("", GF_LOG_ERROR, "glusterd handshake failed"); break; } diff --git a/xlators/mgmt/glusterd/src/glusterd-handshake.c b/xlators/mgmt/glusterd/src/glusterd-handshake.c index 213bcc6fb48..b8218e7fd0f 100644 --- a/xlators/mgmt/glusterd/src/glusterd-handshake.c +++ b/xlators/mgmt/glusterd/src/glusterd-handshake.c @@ -24,20 +24,22 @@ #endif #include "xlator.h" +#include "defaults.h" #include "glusterfs.h" #include "compat-errno.h" #include "glusterd.h" #include "glusterd-utils.h" +#include "glusterd-op-sm.h" #include "glusterfs3.h" #include "protocol-common.h" #include "rpcsvc.h" +extern struct rpc_clnt_program glusterd3_1_mgmt_prog; typedef ssize_t (*gfs_serialize_t) (struct iovec outmsg, void *data); - static size_t build_volfile_path (const char *volname, char *path, size_t path_len) @@ -211,3 +213,200 @@ struct rpcsvc_program gluster_handshake_prog = { .actors = gluster_handshake_actors, .numactors = GF_HNDSK_MAXVALUE, }; + +char *glusterd_dump_proc[GF_DUMP_MAXVALUE] = { + [GF_DUMP_NULL] = "NULL", + [GF_DUMP_DUMP] = "DUMP", +}; + +rpc_clnt_prog_t glusterd_dump_prog = { + .progname = "GLUSTERD-DUMP", + .prognum = GLUSTER_DUMP_PROGRAM, + .progver = GLUSTER_DUMP_VERSION, + .procnames = glusterd_dump_proc, +}; + +static int +glusterd_event_connected_inject (glusterd_peerctx_t *peerctx) +{ + GF_ASSERT (peerctx); + + glusterd_friend_sm_event_t *event = NULL; + glusterd_probe_ctx_t *ctx = NULL; + int ret = -1; + glusterd_peerinfo_t *peerinfo = NULL; + + + ret = glusterd_friend_sm_new_event + (GD_FRIEND_EVENT_CONNECTED, &event); + + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to get new event"); + goto out; + } + + ctx = GF_CALLOC (1, sizeof(*ctx), gf_gld_mt_probe_ctx_t); + + if (!ctx) { + ret = -1; + gf_log ("", GF_LOG_ERROR, "Memory not available"); + goto out; + } + + peerinfo = peerctx->peerinfo; + ctx->hostname = gf_strdup (peerinfo->hostname); + ctx->port = peerinfo->port; + ctx->req = peerctx->args.req; + + event->peerinfo = peerinfo; + event->ctx = ctx; + + ret = glusterd_friend_sm_inject_event (event); + + if (ret) { + gf_log ("glusterd", GF_LOG_ERROR, "Unable to inject " + "EVENT_CONNECTED ret = %d", ret); + goto out; + } + +out: + gf_log ("", GF_LOG_DEBUG, "returning %d", ret); + return ret; +} + +int +glusterd_set_clnt_mgmt_program (glusterd_peerinfo_t *peerinfo, + gf_prog_detail *prog) +{ + gf_prog_detail *trav = NULL; + int ret = -1; + + if (!peerinfo || !prog) + goto out; + + trav = prog; + + while (trav) { + /* Select 'programs' */ + if ((glusterd3_1_mgmt_prog.prognum == trav->prognum) && + (glusterd3_1_mgmt_prog.progver == trav->progver)) { + peerinfo->mgmt = &glusterd3_1_mgmt_prog; + gf_log ("", GF_LOG_INFO, + "Using Program %s, Num (%"PRId64"), " + "Version (%"PRId64")", + trav->progname, trav->prognum, trav->progver); + ret = 0; + break; + } + if (ret) { + gf_log ("", GF_LOG_TRACE, + "%s (%"PRId64") not supported", trav->progname, + trav->progver); + } + trav = trav->next; + } + +out: + return ret; +} + +int +glusterd_peer_dump_version_cbk (struct rpc_req *req, struct iovec *iov, + int count, void *myframe) +{ + int ret = -1; + gf_dump_rsp rsp = {0,}; + xlator_t *this = NULL; + gf_prog_detail *trav = NULL; + gf_prog_detail *next = NULL; + call_frame_t *frame = NULL; + glusterd_peerinfo_t *peerinfo = NULL; + glusterd_peerctx_t *peerctx = NULL; + + this = THIS; + frame = myframe; + peerctx = frame->local; + peerinfo = peerctx->peerinfo; + + if (-1 == req->rpc_status) { + gf_log ("", GF_LOG_ERROR, + "error through RPC layer, retry again later"); + goto out; + } + + ret = xdr_to_dump_rsp (*iov, &rsp); + if (ret < 0) { + gf_log ("", GF_LOG_ERROR, "failed to decode XDR"); + goto out; + } + if (-1 == rsp.op_ret) { + gf_log (frame->this->name, GF_LOG_ERROR, + "failed to get the 'versions' from remote server"); + goto out; + } + + /* Make sure we assign the proper program to peer */ + ret = glusterd_set_clnt_mgmt_program (peerinfo, rsp.prog); + if (ret) { + gf_log ("", GF_LOG_WARNING, "failed to set the mgmt program"); + goto out; + } + + ret = default_notify (this, GF_EVENT_CHILD_UP, NULL); + + if (GD_MODE_ON == peerctx->args.mode) { + ret = glusterd_event_connected_inject (peerctx); + peerctx->args.req = NULL; + } else if (GD_MODE_SWITCH_ON == peerctx->args.mode) { + peerctx->args.mode = GD_MODE_ON; + } + + glusterd_friend_sm (); + glusterd_op_sm (); + + ret = 0; +out: + + /* don't use GF_FREE, buffer was allocated by libc */ + if (rsp.prog) { + trav = rsp.prog; + while (trav) { + next = trav->next; + free (trav->progname); + free (trav); + trav = next; + } + } + + STACK_DESTROY (frame->root); + + if (ret != 0) + rpc_transport_disconnect (peerinfo->rpc->conn.trans); + + return 0; +} + + +int +glusterd_peer_handshake (xlator_t *this, struct rpc_clnt *rpc, + glusterd_peerctx_t *peerctx) +{ + call_frame_t *frame = NULL; + gf_dump_req req = {0,}; + int ret = 0; + + frame = create_frame (this, this->ctx->pool); + if (!frame) + goto out; + + frame->local = peerctx; + + req.gfs_id = 0xcafe; + + ret = glusterd_submit_request (peerctx->peerinfo, &req, frame, + &glusterd_dump_prog, GF_DUMP_DUMP, + NULL, xdr_from_dump_req, this, + glusterd_peer_dump_version_cbk); +out: + return ret; +} diff --git a/xlators/mgmt/glusterd/src/glusterd-sm.h b/xlators/mgmt/glusterd/src/glusterd-sm.h index b62feb76cb1..b422b49d3eb 100644 --- a/xlators/mgmt/glusterd/src/glusterd-sm.h +++ b/xlators/mgmt/glusterd/src/glusterd-sm.h @@ -93,6 +93,7 @@ struct glusterd_peerinfo_ { struct list_head uuid_list; struct list_head op_peers_list; struct rpc_clnt *rpc; + rpc_clnt_prog_t *mgmt; int connected; glusterd_store_handle_t *shandle; glusterd_sm_tr_log_t sm_log; diff --git a/xlators/mgmt/glusterd/src/glusterd.c b/xlators/mgmt/glusterd/src/glusterd.c index 478519b8b7b..50092f987c3 100644 --- a/xlators/mgmt/glusterd/src/glusterd.c +++ b/xlators/mgmt/glusterd/src/glusterd.c @@ -49,7 +49,6 @@ static uuid_t glusterd_uuid; extern struct rpcsvc_program glusterd1_mop_prog; extern struct rpcsvc_program gluster_handshake_prog; -extern struct rpc_clnt_program glusterd3_1_mgmt_prog; extern struct rpcsvc_program gluster_pmap_prog; extern glusterd_op_info_t opinfo; @@ -373,7 +372,6 @@ init (xlator_t *this) INIT_LIST_HEAD (&conf->volumes); pthread_mutex_init (&conf->mutex, NULL); conf->rpc = rpc; - conf->mgmt = &glusterd3_1_mgmt_prog; strncpy (conf->workdir, dirname, PATH_MAX); INIT_LIST_HEAD (&conf->xprt_list); diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h index aca7b7dc705..1103fd5692d 100644 --- a/xlators/mgmt/glusterd/src/glusterd.h +++ b/xlators/mgmt/glusterd/src/glusterd.h @@ -477,5 +477,9 @@ glusterd_volume_txn (rpcsvc_request_t *req, char *volname, int flags, glusterd_op_t op); int +glusterd_peer_handshake (xlator_t *this, struct rpc_clnt *rpc, + glusterd_peerctx_t *peerctx); + +int glusterd_validate_reconfopts (glusterd_volinfo_t *volinfo, dict_t *val_dict, char **op_errstr); #endif |