diff options
Diffstat (limited to 'glusterfsd/src/glusterfsd-mgmt.c')
| -rw-r--r-- | glusterfsd/src/glusterfsd-mgmt.c | 593 |
1 files changed, 236 insertions, 357 deletions
diff --git a/glusterfsd/src/glusterfsd-mgmt.c b/glusterfsd/src/glusterfsd-mgmt.c index 5bebdaf17..1c9220927 100644 --- a/glusterfsd/src/glusterfsd-mgmt.c +++ b/glusterfsd/src/glusterfsd-mgmt.c @@ -12,7 +12,6 @@ #include <sys/wait.h> #include <stdlib.h> #include <signal.h> -#include <pthread.h> #ifndef _CONFIG_H #define _CONFIG_H @@ -32,14 +31,13 @@ #include "xdr-generic.h" #include "glusterfsd.h" -#include "glusterfsd-mem-types.h" #include "rpcsvc.h" #include "cli1-xdr.h" #include "statedump.h" #include "syncop.h" #include "xlator.h" -static char is_mgmt_rpc_reconnect; +static gf_boolean_t is_mgmt_rpc_reconnect = _gf_false; int glusterfs_mgmt_pmap_signin (glusterfs_ctx_t *ctx); int glusterfs_volfile_fetch (glusterfs_ctx_t *ctx); @@ -232,65 +230,6 @@ glusterfs_translator_info_response_send (rpcsvc_request_t *req, int ret, } int -glusterfs_handle_translator_info_get_cont (gfd_vol_top_priv_t *priv) -{ - int ret = -1; - xlator_t *any = NULL; - xlator_t *xlator = NULL; - glusterfs_graph_t *active = NULL; - glusterfs_ctx_t *ctx = NULL; - char msg[2048] = {0,}; - dict_t *output = NULL; - dict_t *dict = NULL; - - GF_ASSERT (priv); - - dict = dict_new (); - ret = dict_unserialize (priv->xlator_req.input.input_val, - priv->xlator_req.input.input_len, &dict); - if (ret) { - gf_log ("glusterd", GF_LOG_ERROR, "Unable to unserialize dict"); - goto cont; - } - ret = dict_set_double (dict, "time", priv->time); - if (ret) - goto cont; - ret = dict_set_double (dict, "throughput", priv->throughput); - if (ret) - goto cont; - -cont: - ctx = glusterfsd_ctx; - GF_ASSERT (ctx); - active = ctx->active; - any = active->first; - - xlator = xlator_search_by_name (any, priv->xlator_req.name); - if (!xlator) { - snprintf (msg, sizeof (msg), "xlator %s is not loaded", - priv->xlator_req.name); - goto out; - } - - output = dict_new (); - ret = xlator->notify (xlator, GF_EVENT_TRANSLATOR_INFO, dict, output); - -out: - ret = glusterfs_translator_info_response_send (priv->req, ret, - msg, output); - - free (priv->xlator_req.name); - free (priv->xlator_req.input.input_val); - if (dict) - dict_unref (dict); - if (output) - dict_unref (output); - GF_FREE (priv); - - return ret; -} - -int glusterfs_xlator_op_response_send (rpcsvc_request_t *req, int op_ret, char *msg, dict_t *output) { @@ -326,15 +265,21 @@ glusterfs_xlator_op_response_send (rpcsvc_request_t *req, int op_ret, int glusterfs_handle_translator_info_get (rpcsvc_request_t *req) { - int32_t ret = -1; - gd1_mgmt_brick_op_req xlator_req = {0,}; - dict_t *dict = NULL; - xlator_t *this = NULL; - gf1_cli_top_op top_op = 0; - uint32_t blk_size = 0; - uint32_t blk_count = 0; - gfd_vol_top_priv_t *priv = NULL; - pthread_t tid = -1; + int32_t ret = -1; + gd1_mgmt_brick_op_req xlator_req = {0,}; + dict_t *dict = NULL; + xlator_t *this = NULL; + gf1_cli_top_op top_op = 0; + uint32_t blk_size = 0; + uint32_t blk_count = 0; + double time = 0; + double throughput = 0; + xlator_t *any = NULL; + xlator_t *xlator = NULL; + glusterfs_graph_t *active = NULL; + glusterfs_ctx_t *ctx = NULL; + char msg[2048] = {0,}; + dict_t *output = NULL; GF_ASSERT (req); this = THIS; @@ -347,8 +292,8 @@ glusterfs_handle_translator_info_get (rpcsvc_request_t *req) req->rpc_err = GARBAGE_ARGS; goto out; } - dict = dict_new (); + dict = dict_new (); ret = dict_unserialize (xlator_req.input.input_val, xlator_req.input.input_len, &dict); @@ -359,14 +304,6 @@ glusterfs_handle_translator_info_get (rpcsvc_request_t *req) goto out; } - priv = GF_MALLOC (sizeof (gfd_vol_top_priv_t), gfd_mt_vol_top_priv_t); - if (!priv) { - gf_log ("glusterd", GF_LOG_ERROR, "failed to allocate memory"); - goto out; - } - priv->xlator_req = xlator_req; - priv->req = req; - ret = dict_get_int32 (dict, "top-op", (int32_t *)&top_op); if ((!ret) && (GF_CLI_TOP_READ_PERF == top_op || GF_CLI_TOP_WRITE_PERF == top_op)) { @@ -376,61 +313,73 @@ glusterfs_handle_translator_info_get (rpcsvc_request_t *req) ret = dict_get_uint32 (dict, "blk-cnt", &blk_count); if (ret) goto cont; - priv->blk_size = blk_size; - priv->blk_count = blk_count; + if (GF_CLI_TOP_READ_PERF == top_op) { - ret = pthread_create (&tid, NULL, - glusterfs_volume_top_read_perf, - priv); + ret = glusterfs_volume_top_read_perf + (blk_size, blk_count, xlator_req.name, + &throughput, &time); } else if ( GF_CLI_TOP_WRITE_PERF == top_op) { - ret = pthread_create (&tid, NULL, - glusterfs_volume_top_write_perf, - priv); + ret = glusterfs_volume_top_write_perf + (blk_size, blk_count, xlator_req.name, + &throughput, &time); } - if (ret) { - gf_log ("glusterd", GF_LOG_ERROR, - "Thread create failed"); + ret = dict_set_double (dict, "time", time); + if (ret) + goto cont; + ret = dict_set_double (dict, "throughput", throughput); + if (ret) goto cont; - } - gf_log ("glusterd", GF_LOG_DEBUG, "Created new thread with " - "tid %u", (unsigned int)tid); - goto out; } cont: - priv->throughput = 0; - priv->time = 0; - ret = glusterfs_handle_translator_info_get_cont (priv); + ctx = glusterfsd_ctx; + GF_ASSERT (ctx); + active = ctx->active; + any = active->first; + + xlator = xlator_search_by_name (any, xlator_req.name); + if (!xlator) { + snprintf (msg, sizeof (msg), "xlator %s is not loaded", + xlator_req.name); + goto out; + } + + output = dict_new (); + ret = xlator->notify (xlator, GF_EVENT_TRANSLATOR_INFO, dict, output); + out: + ret = glusterfs_translator_info_response_send (req, ret, msg, output); + + free (xlator_req.name); + free (xlator_req.input.input_val); + if (output) + dict_unref (output); if (dict) dict_unref (dict); return ret; } -void * -glusterfs_volume_top_write_perf (void *args) +int +glusterfs_volume_top_write_perf (uint32_t blk_size, uint32_t blk_count, + char *brick_path, double *throughput, + double *time) { int32_t fd = -1; int32_t input_fd = -1; char export_path[PATH_MAX]; char *buf = NULL; - uint32_t blk_size = 0; - uint32_t blk_count = 0; int32_t iter = 0; int32_t ret = -1; uint64_t total_blks = 0; struct timeval begin, end = {0,}; - double throughput = 0; - double time = 0; - gfd_vol_top_priv_t *priv = NULL; - - GF_ASSERT (args); - priv = (gfd_vol_top_priv_t *)args; - blk_size = priv->blk_size; - blk_count = priv->blk_count; + GF_ASSERT (brick_path); + GF_ASSERT (throughput); + GF_ASSERT (time); + if (!(blk_size > 0) || ! (blk_count > 0)) + goto out; snprintf (export_path, sizeof (export_path), "%s/%s", - priv->xlator_req.name, ".gf-tmp-stats-perf"); + brick_path, ".gf-tmp-stats-perf"); fd = open (export_path, O_CREAT|O_RDWR, S_IRWXU); if (-1 == fd) { @@ -474,16 +423,13 @@ glusterfs_volume_top_write_perf (void *args) } gettimeofday (&end, NULL); - time = (end.tv_sec - begin.tv_sec) * 1e6 + *time = (end.tv_sec - begin.tv_sec) * 1e6 + (end.tv_usec - begin.tv_usec); - throughput = total_blks / time; + *throughput = total_blks / *time; gf_log ("glusterd", GF_LOG_INFO, "Throughput %.2f Mbps time %.2f secs " - "bytes written %"PRId64, throughput, time, total_blks); + "bytes written %"PRId64, *throughput, *time, total_blks); out: - priv->throughput = throughput; - priv->time = time; - if (fd >= 0) close (fd); if (input_fd >= 0) @@ -491,37 +437,32 @@ out: GF_FREE (buf); unlink (export_path); - (void)glusterfs_handle_translator_info_get_cont (priv); - - return NULL; + return ret; } -void * -glusterfs_volume_top_read_perf (void *args) +int +glusterfs_volume_top_read_perf (uint32_t blk_size, uint32_t blk_count, + char *brick_path, double *throughput, + double *time) { int32_t fd = -1; int32_t input_fd = -1; int32_t output_fd = -1; char export_path[PATH_MAX]; char *buf = NULL; - uint32_t blk_size = 0; - uint32_t blk_count = 0; int32_t iter = 0; int32_t ret = -1; uint64_t total_blks = 0; struct timeval begin, end = {0,}; - double throughput = 0; - double time = 0; - gfd_vol_top_priv_t *priv = NULL; - GF_ASSERT (args); - priv = (gfd_vol_top_priv_t *)args; - - blk_size = priv->blk_size; - blk_count = priv->blk_count; + GF_ASSERT (brick_path); + GF_ASSERT (throughput); + GF_ASSERT (time); + if (!(blk_size > 0) || ! (blk_count > 0)) + goto out; snprintf (export_path, sizeof (export_path), "%s/%s", - priv->xlator_req.name, ".gf-tmp-stats-perf"); + brick_path, ".gf-tmp-stats-perf"); fd = open (export_path, O_CREAT|O_RDWR, S_IRWXU); if (-1 == fd) { ret = -1; @@ -597,16 +538,13 @@ glusterfs_volume_top_read_perf (void *args) } gettimeofday (&end, NULL); - time = (end.tv_sec - begin.tv_sec) * 1e6 - + (end.tv_usec - begin.tv_usec); - throughput = total_blks / time; + *time = (end.tv_sec - begin.tv_sec) * 1e6 + + (end.tv_usec - begin.tv_usec); + *throughput = total_blks / *time; gf_log ("glusterd", GF_LOG_INFO, "Throughput %.2f Mbps time %.2f secs " - "bytes read %"PRId64, throughput, time, total_blks); + "bytes read %"PRId64, *throughput, *time, total_blks); out: - priv->throughput = throughput; - priv->time = time; - if (fd >= 0) close (fd); if (input_fd >= 0) @@ -616,9 +554,7 @@ out: GF_FREE (buf); unlink (export_path); - (void)glusterfs_handle_translator_info_get_cont (priv); - - return NULL; + return ret; } int @@ -1188,74 +1124,82 @@ out: } int -glusterfs_handle_bd_op (rpcsvc_request_t *req) +glusterfs_handle_volume_barrier_op (rpcsvc_request_t *req) { - int32_t ret = -1; + int32_t ret = -1; gd1_mgmt_brick_op_req xlator_req = {0,}; - dict_t *input = NULL; - xlator_t *xlator = NULL; - xlator_t *any = NULL; - dict_t *output = NULL; - char *xname = NULL; - glusterfs_ctx_t *ctx = NULL; - glusterfs_graph_t *active = NULL; - xlator_t *this = NULL; - char *error = NULL; + dict_t *dict = NULL; + xlator_t *xlator = NULL; + xlator_t *any = NULL; + dict_t *output = NULL; + char msg[2048] = {0}; + glusterfs_ctx_t *ctx = NULL; + glusterfs_graph_t *active = NULL; + xlator_t *this = NULL; GF_ASSERT (req); this = THIS; GF_ASSERT (this); + ctx = glusterfsd_ctx; + GF_ASSERT (ctx); + + active = ctx->active; + if (!active) { + req->rpc_err = GARBAGE_ARGS; + goto out; + } + + any = active->first; ret = xdr_to_generic (req->msg[0], &xlator_req, (xdrproc_t)xdr_gd1_mgmt_brick_op_req); if (ret < 0) { - /* failed to decode msg */ + //failed to decode msg; req->rpc_err = GARBAGE_ARGS; goto out; } + dict = dict_new (); + if (!dict) + goto out; - ctx = glusterfsd_ctx; - active = ctx->active; - any = active->first; - input = dict_new (); ret = dict_unserialize (xlator_req.input.input_val, xlator_req.input.input_len, - &input); + &dict); if (ret < 0) { gf_log (this->name, GF_LOG_ERROR, "failed to " "unserialize req-buffer to dictionary"); goto out; - } else { - input->extra_stdfree = xlator_req.input.input_val; } - - /* FIXME, hardcoded */ - xlator = xlator_search_by_xl_type (any, "storage/bd_map"); + xlator = xlator_search_by_name (any, xlator_req.name); if (!xlator) { - gf_log (this->name, GF_LOG_ERROR, "xlator %s is not " - "loaded", xname); - goto out; + snprintf (msg, sizeof (msg), "xlator %s is not loaded", + xlator_req.name); + goto out; } + output = dict_new (); - XLATOR_NOTIFY (xlator, GF_EVENT_TRANSLATOR_OP, input, output); -out: - if (ret < 0) { - int retval; - retval = dict_get_str (output, "error", &error); + if (!output) { + ret = -1; + goto out; } - glusterfs_xlator_op_response_send (req, ret, error, output); - if (input) - dict_unref (input); + + ret = xlator->notify (xlator, GF_EVENT_VOLUME_BARRIER_OP, + dict, output); + + ret = glusterfs_translator_info_response_send (req, ret, + msg, output); +out: + if (dict) + dict_unref (dict); + free (xlator_req.input.input_val); // malloced by xdr if (output) dict_unref (output); - if (xlator_req.name) - /* malloced by xdr */ - free (xlator_req.name); + free (xlator_req.name); //malloced by xdr - return 0; -} + return ret; +} int glusterfs_handle_rpc_msg (rpcsvc_request_t *req) { @@ -1264,7 +1208,7 @@ glusterfs_handle_rpc_msg (rpcsvc_request_t *req) return ret; } -rpcclnt_cb_actor_t gluster_cbk_actors[] = { +rpcclnt_cb_actor_t mgmt_cbk_actors[] = { [GF_CBK_FETCHSPEC] = {"FETCHSPEC", GF_CBK_FETCHSPEC, mgmt_cbk_spec }, [GF_CBK_EVENT_NOTIFY] = {"EVENTNOTIFY", GF_CBK_EVENT_NOTIFY, mgmt_cbk_event}, @@ -1275,7 +1219,7 @@ struct rpcclnt_cb_program mgmt_cbk_prog = { .progname = "GlusterFS Callback", .prognum = GLUSTER_CBK_PROGRAM, .progver = GLUSTER_CBK_VERSION, - .actors = gluster_cbk_actors, + .actors = mgmt_cbk_actors, .numactors = GF_CBK_MAXVALUE, }; @@ -1312,17 +1256,15 @@ rpc_clnt_prog_t clnt_handshake_prog = { }; rpcsvc_actor_t glusterfs_actors[] = { - [GLUSTERD_BRICK_NULL] = {"NULL", GLUSTERD_BRICK_NULL, glusterfs_handle_rpc_msg, NULL, 0}, - [GLUSTERD_BRICK_TERMINATE] = {"TERMINATE", GLUSTERD_BRICK_TERMINATE, glusterfs_handle_terminate, NULL, 0}, - [GLUSTERD_BRICK_XLATOR_INFO] = {"TRANSLATOR INFO", GLUSTERD_BRICK_XLATOR_INFO, glusterfs_handle_translator_info_get, NULL, 0}, - [GLUSTERD_BRICK_XLATOR_OP] = {"TRANSLATOR OP", GLUSTERD_BRICK_XLATOR_OP, glusterfs_handle_translator_op, NULL, 0}, - [GLUSTERD_BRICK_STATUS] = {"STATUS", GLUSTERD_BRICK_STATUS, glusterfs_handle_brick_status, NULL, 0}, - [GLUSTERD_BRICK_XLATOR_DEFRAG] = {"TRANSLATOR DEFRAG", GLUSTERD_BRICK_XLATOR_DEFRAG, glusterfs_handle_defrag, NULL, 0}, - [GLUSTERD_NODE_PROFILE] = {"NFS PROFILE", GLUSTERD_NODE_PROFILE, glusterfs_handle_nfs_profile, NULL, 0}, - [GLUSTERD_NODE_STATUS] = {"NFS STATUS", GLUSTERD_NODE_STATUS, glusterfs_handle_node_status, NULL, 0}, -#ifdef HAVE_BD_XLATOR - [GLUSTERD_BRICK_BD_OP] = {"BD OP", GLUSTERD_BRICK_BD_OP, glusterfs_handle_bd_op, NULL, 0} -#endif + [GLUSTERD_BRICK_NULL] = {"NULL", GLUSTERD_BRICK_NULL, glusterfs_handle_rpc_msg, NULL, 0, DRC_NA}, + [GLUSTERD_BRICK_TERMINATE] = {"TERMINATE", GLUSTERD_BRICK_TERMINATE, glusterfs_handle_terminate, NULL, 0, DRC_NA}, + [GLUSTERD_BRICK_XLATOR_INFO] = {"TRANSLATOR INFO", GLUSTERD_BRICK_XLATOR_INFO, glusterfs_handle_translator_info_get, NULL, 0, DRC_NA}, + [GLUSTERD_BRICK_XLATOR_OP] = {"TRANSLATOR OP", GLUSTERD_BRICK_XLATOR_OP, glusterfs_handle_translator_op, NULL, 0, DRC_NA}, + [GLUSTERD_BRICK_STATUS] = {"STATUS", GLUSTERD_BRICK_STATUS, glusterfs_handle_brick_status, NULL, 0, DRC_NA}, + [GLUSTERD_BRICK_XLATOR_DEFRAG] = {"TRANSLATOR DEFRAG", GLUSTERD_BRICK_XLATOR_DEFRAG, glusterfs_handle_defrag, NULL, 0, DRC_NA}, + [GLUSTERD_NODE_PROFILE] = {"NFS PROFILE", GLUSTERD_NODE_PROFILE, glusterfs_handle_nfs_profile, NULL, 0, DRC_NA}, + [GLUSTERD_NODE_STATUS] = {"NFS STATUS", GLUSTERD_NODE_STATUS, glusterfs_handle_node_status, NULL, 0, DRC_NA}, + [GLUSTERD_VOLUME_BARRIER_OP] = {"VOLUME BARRIER OP", GLUSTERD_VOLUME_BARRIER_OP, glusterfs_handle_volume_barrier_op, NULL, 0, DRC_NA}, }; struct rpcsvc_program glusterfs_mop_prog = { @@ -1391,156 +1333,10 @@ out: /* XXX: move these into @ctx */ -static char oldvolfile[131072]; +static char *oldvolfile = NULL; static int oldvollen = 0; -static int -xlator_equal_rec (xlator_t *xl1, xlator_t *xl2) -{ - xlator_list_t *trav1 = NULL; - xlator_list_t *trav2 = NULL; - int ret = 0; - - if (xl1 == NULL || xl2 == NULL) { - gf_log ("xlator", GF_LOG_DEBUG, "invalid argument"); - return -1; - } - - trav1 = xl1->children; - trav2 = xl2->children; - - while (trav1 && trav2) { - ret = xlator_equal_rec (trav1->xlator, trav2->xlator); - if (ret) { - gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG, - "xlators children not equal"); - goto out; - } - - trav1 = trav1->next; - trav2 = trav2->next; - } - - if (trav1 || trav2) { - ret = -1; - goto out; - } - - if (strcmp (xl1->name, xl2->name)) { - ret = -1; - goto out; - } -out : - return ret; -} - -static gf_boolean_t -is_graph_topology_equal (glusterfs_graph_t *graph1, - glusterfs_graph_t *graph2) -{ - xlator_t *trav1 = NULL; - xlator_t *trav2 = NULL; - gf_boolean_t ret = _gf_true; - - trav1 = graph1->first; - trav2 = graph2->first; - - ret = xlator_equal_rec (trav1, trav2); - - if (ret) { - gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG, - "graphs are not equal"); - ret = _gf_false; - goto out; - } - - ret = _gf_true; - gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG, - "graphs are equal"); - -out: - return ret; -} - -/* Function has 3types of return value 0, -ve , 1 - * return 0 =======> reconfiguration of options has succeeded - * return 1 =======> the graph has to be reconstructed and all the xlators should be inited - * return -1(or -ve) =======> Some Internal Error occurred during the operation - */ -static int -glusterfs_volfile_reconfigure (FILE *newvolfile_fp) -{ - glusterfs_graph_t *oldvolfile_graph = NULL; - glusterfs_graph_t *newvolfile_graph = NULL; - FILE *oldvolfile_fp = NULL; - glusterfs_ctx_t *ctx = NULL; - - int ret = -1; - - oldvolfile_fp = tmpfile (); - if (!oldvolfile_fp) - goto out; - - if (!oldvollen) { - ret = 1; // Has to call INIT for the whole graph - goto out; - } - fwrite (oldvolfile, oldvollen, 1, oldvolfile_fp); - fflush (oldvolfile_fp); - if (ferror (oldvolfile_fp)) { - goto out; - } - - - oldvolfile_graph = glusterfs_graph_construct (oldvolfile_fp); - if (!oldvolfile_graph) { - goto out; - } - - newvolfile_graph = glusterfs_graph_construct (newvolfile_fp); - if (!newvolfile_graph) { - goto out; - } - - if (!is_graph_topology_equal (oldvolfile_graph, - newvolfile_graph)) { - - ret = 1; - gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG, - "Graph topology not equal(should call INIT)"); - goto out; - } - - gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG, - "Only options have changed in the new " - "graph"); - - ctx = glusterfsd_ctx; - - oldvolfile_graph = ctx->active; - - if (!oldvolfile_graph) { - gf_log ("glusterfsd-mgmt", GF_LOG_ERROR, - "glusterfs_ctx->active is NULL"); - goto out; - } - - /* */ - ret = glusterfs_graph_reconfigure (oldvolfile_graph, - newvolfile_graph); - if (ret) { - gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG, - "Could not reconfigure new options in old graph"); - goto out; - } - ret = 0; -out: - if (oldvolfile_fp) - fclose (oldvolfile_fp); - - return ret; -} int mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count, @@ -1552,6 +1348,7 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count, int ret = 0; ssize_t size = 0; FILE *tmpfp = NULL; + char *volfilebuf = NULL; frame = myframe; ctx = frame->this->ctx; @@ -1605,10 +1402,19 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count, * return -1(or -ve) =======> Some Internal Error occurred during the operation */ - ret = glusterfs_volfile_reconfigure (tmpfp); + ret = glusterfs_volfile_reconfigure (oldvollen, tmpfp, ctx, oldvolfile); if (ret == 0) { gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG, "No need to re-load volfile, reconfigure done"); + if (oldvolfile) + volfilebuf = GF_REALLOC (oldvolfile, size); + else + volfilebuf = GF_CALLOC (1, size, gf_common_mt_char); + if (!volfilebuf) { + ret = -1; + goto out; + } + oldvolfile = volfilebuf; oldvollen = size; memcpy (oldvolfile, rsp.spec, size); goto out; @@ -1625,11 +1431,21 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count, if (ret) goto out; + if (oldvolfile) + volfilebuf = GF_REALLOC (oldvolfile, size); + else + volfilebuf = GF_CALLOC (1, size, gf_common_mt_char); + + if (!volfilebuf) { + ret = -1; + goto out; + } + oldvolfile = volfilebuf; oldvollen = size; memcpy (oldvolfile, rsp.spec, size); if (!is_mgmt_rpc_reconnect) { glusterfs_mgmt_pmap_signin (ctx); - is_mgmt_rpc_reconnect = 1; + is_mgmt_rpc_reconnect = _gf_true; } out: @@ -1639,6 +1455,13 @@ out: emancipate (ctx, ret); + // Stop if server is running at an unsupported op-version + if (ENOTSUP == ret) { + gf_log ("mgmt", GF_LOG_ERROR, "Server is operating at an " + "op-version which is not supported"); + cleanup_and_exit (0); + } + if (ret && ctx && !ctx->active) { /* Do it only for the first time */ /* Failed to get the volume file, something wrong, @@ -1649,6 +1472,7 @@ out: cleanup_and_exit (0); } + if (tmpfp) fclose (tmpfp); @@ -1663,6 +1487,7 @@ glusterfs_volfile_fetch (glusterfs_ctx_t *ctx) gf_getspec_req req = {0, }; int ret = 0; call_frame_t *frame = NULL; + dict_t *dict = NULL; cmd_args = &ctx->cmd_args; @@ -1671,9 +1496,40 @@ glusterfs_volfile_fetch (glusterfs_ctx_t *ctx) req.key = cmd_args->volfile_id; req.flags = 0; + dict = dict_new (); + if (!dict) { + ret = -1; + goto out; + } + + // Set the supported min and max op-versions, so glusterd can make a + // decision + ret = dict_set_int32 (dict, "min-op-version", GD_OP_VERSION_MIN); + if (ret) { + gf_log (THIS->name, GF_LOG_ERROR, "Failed to set min-op-version" + " in request dict"); + goto out; + } + + ret = dict_set_int32 (dict, "max-op-version", GD_OP_VERSION_MAX); + if (ret) { + gf_log (THIS->name, GF_LOG_ERROR, "Failed to set max-op-version" + " in request dict"); + goto out; + } + + ret = dict_allocate_and_serialize (dict, &req.xdata.xdata_val, + &req.xdata.xdata_len); + if (ret < 0) { + gf_log (THIS->name, GF_LOG_ERROR, + "Failed to serialize dictionary"); + goto out; + } + ret = mgmt_submit_request (&req, frame, ctx, &clnt_handshake_prog, GF_HNDSK_GETSPEC, mgmt_getspec_cbk, (xdrproc_t)xdr_gf_getspec_req); +out: return ret; } @@ -1792,30 +1648,52 @@ static int mgmt_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event, void *data) { - xlator_t *this = NULL; - cmd_args_t *cmd_args = NULL; - glusterfs_ctx_t *ctx = NULL; + xlator_t *this = NULL; + glusterfs_ctx_t *ctx = NULL; int ret = 0; - int need_term = 0; - int emval = 0; + server_cmdline_t *server = NULL; + rpc_transport_t *rpc_trans = NULL; + int need_term = 0; + int emval = 0; this = mydata; + rpc_trans = rpc->conn.trans; ctx = this->ctx; - cmd_args = &ctx->cmd_args; + switch (event) { case RPC_CLNT_DISCONNECT: if (!ctx->active) { - cmd_args->max_connect_attempts--; gf_log ("glusterfsd-mgmt", GF_LOG_ERROR, - "failed to connect with remote-host: %s", + "failed to connect with remote-host: %s (%s)", + ctx->cmd_args.volfile_server, strerror (errno)); - gf_log ("glusterfsd-mgmt", GF_LOG_INFO, - "%d connect attempts left", - cmd_args->max_connect_attempts); - if (0 >= cmd_args->max_connect_attempts) { + server = ctx->cmd_args.curr_server; + if (server->list.next == &ctx->cmd_args.volfile_servers) { need_term = 1; emval = ENOTCONN; + gf_log("glusterfsd-mgmt", GF_LOG_INFO, + "Exhausted all volfile servers"); + break; } + server = list_entry (server->list.next, typeof(*server), + list); + ctx->cmd_args.curr_server = server; + ctx->cmd_args.volfile_server = server->volfile_server; + + ret = dict_set_str (rpc_trans->options, + "remote-host", + server->volfile_server); + if (ret != 0) { + gf_log ("glusterfsd-mgmt", GF_LOG_ERROR, + "failed to set remote-host: %s", + server->volfile_server); + need_term = 1; + emval = ENOTCONN; + break; + } + gf_log ("glusterfsd-mgmt", GF_LOG_INFO, + "connecting to next volfile server %s", + server->volfile_server); } break; case RPC_CLNT_CONNECT: @@ -1959,7 +1837,7 @@ glusterfs_listener_stop (glusterfs_ctx_t *ctx) if (ret) { this = THIS; - gf_log (this->name, GF_LOG_ERROR, "Failed to unlink linstener " + gf_log (this->name, GF_LOG_ERROR, "Failed to unlink listener " "socket %s, error: %s", cmd_args->sock_file, strerror (errno)); } @@ -2019,7 +1897,8 @@ glusterfs_mgmt_init (glusterfs_ctx_t *ctx) ret = rpc_clnt_register_notify (rpc, mgmt_rpc_notify, THIS); if (ret) { - gf_log (THIS->name, GF_LOG_WARNING, "failed to register notify function"); + gf_log (THIS->name, GF_LOG_WARNING, + "failed to register notify function"); goto out; } |
