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Diffstat (limited to 'glusterfsd/src/glusterfsd-mgmt.c')
-rw-r--r--glusterfsd/src/glusterfsd-mgmt.c593
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;
}