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authorshishir gowda <shishirng@gluster.com>2012-04-24 10:27:18 +0530
committerVijay Bellur <vijay@gluster.com>2012-04-25 04:05:35 -0700
commit8f2eba00fd315b42aeaa01d683b765fbd2ee111b (patch)
tree18ef5e7b1aa828fce4e2a2c8fa1dfdc54e8d35c0 /xlators/mgmt
parent3f35280a364bd35293d3e5804eb2a659a7f174b1 (diff)
rebalance: handshake_event_notify to make fsd talk to glusterd
Event_notify can be used by others to communicate with glusterd. A cbk event is also added for future use. req has a op, and dict. rsp has op_ret, op_errno, and dict. With this, rebalance process can update the status before exiting. Signed-off-by: shishir gowda <shishirng@gluster.com> Change-Id: If5c0ec00514eb3a109a790b2ea273317611e4562 BUG: 807126 Reviewed-on: http://review.gluster.com/3013 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com> Reviewed-by: Vijay Bellur <vijay@gluster.com>
Diffstat (limited to 'xlators/mgmt')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-handshake.c61
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-op-sm.c50
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-rebalance.c27
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.c53
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.h4
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.h3
6 files changed, 152 insertions, 46 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-handshake.c b/xlators/mgmt/glusterd/src/glusterd-handshake.c
index d80cacc8afd..ce61ac8bd24 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handshake.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handshake.c
@@ -221,10 +221,71 @@ fail:
return 0;
}
+int32_t
+server_event_notify (rpcsvc_request_t *req)
+{
+ int32_t ret = -1;
+ int32_t op_errno = 0;
+ gf_event_notify_req args = {0,};
+ gf_event_notify_rsp rsp = {0,};
+ dict_t *dict = NULL;
+ gf_boolean_t need_rsp = _gf_true;
+ if (!xdr_to_generic (req->msg[0], &args,
+ (xdrproc_t)xdr_gf_event_notify_req)) {
+ req->rpc_err = GARBAGE_ARGS;
+ goto fail;
+ }
+
+ if (args.dict.dict_len) {
+ dict = dict_new ();
+ if (!dict)
+ return ret;
+ ret = dict_unserialize (args.dict.dict_val,
+ args.dict.dict_len, &dict);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Failed to unserialize req");
+ goto fail;
+ }
+ }
+
+ switch (args.op) {
+ case GF_EN_DEFRAG_STATUS:
+ gf_log ("", GF_LOG_INFO,
+ "recieved defrag status updated");
+ if (dict) {
+ glusterd_defrag_event_notify_handle (dict);
+ need_rsp = _gf_false;
+ }
+ break;
+ default:
+ gf_log ("", GF_LOG_ERROR, "Unkown op recieved in in event "
+ "notify");
+ ret = -1;
+ break;
+ }
+
+fail:
+ rsp.op_ret = ret;
+
+ if (op_errno)
+ rsp.op_errno = gf_errno_to_error (op_errno);
+
+ if (need_rsp)
+ glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
+ (xdrproc_t)xdr_gf_event_notify_rsp);
+ if (dict)
+ dict_unref (dict);
+ if (args.dict.dict_val)
+ free (args.dict.dict_val);//malloced by xdr
+
+ return 0;
+}
rpcsvc_actor_t gluster_handshake_actors[] = {
[GF_HNDSK_NULL] = {"NULL", GF_HNDSK_NULL, NULL, NULL, NULL, 0},
[GF_HNDSK_GETSPEC] = {"GETSPEC", GF_HNDSK_GETSPEC, server_getspec, NULL, NULL, 0},
+ [GF_HNDSK_EVENT_NOTIFY] = {"EVENTNOTIFY", GF_HNDSK_EVENT_NOTIFY, server_event_notify,
+ NULL, NULL, 0},
};
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
index 80976f2ca20..3b6f679edb4 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
@@ -3253,7 +3253,6 @@ out:
return ret;
}
-
int
glusterd_defrag_volume_node_rsp (dict_t *req_dict, dict_t *rsp_dict,
dict_t *op_ctx)
@@ -3261,16 +3260,11 @@ glusterd_defrag_volume_node_rsp (dict_t *req_dict, dict_t *rsp_dict,
int ret = 0;
char *volname = NULL;
glusterd_volinfo_t *volinfo = NULL;
- uint64_t files = 0;
- uint64_t size = 0;
- uint64_t lookup = 0;
- gf_defrag_status_t status = GF_DEFRAG_STATUS_NOT_STARTED;
char key[256] = {0,};
int32_t i = 0;
char buf[1024] = {0,};
char *node_str = NULL;
glusterd_conf_t *priv = NULL;
- uint64_t failures = 0;
priv = THIS->private;
GF_ASSERT (req_dict);
@@ -3286,48 +3280,16 @@ glusterd_defrag_volume_node_rsp (dict_t *req_dict, dict_t *rsp_dict,
if (ret)
goto out;
- if (!rsp_dict)
- goto populate;
-
- ret = dict_get_uint64 (rsp_dict, "files", &files);
- if (ret)
- gf_log (THIS->name, GF_LOG_TRACE,
- "failed to get file count");
-
- ret = dict_get_uint64 (rsp_dict, "size", &size);
- if (ret)
- gf_log (THIS->name, GF_LOG_TRACE,
- "failed to get size of xfer");
-
- ret = dict_get_uint64 (rsp_dict, "lookups", &lookup);
- if (ret)
- gf_log (THIS->name, GF_LOG_TRACE,
- "failed to get lookedup file count");
- ret = dict_get_int32 (rsp_dict, "status", (int32_t *)&status);
- if (ret)
- gf_log (THIS->name, GF_LOG_TRACE,
- "failed to get status");
-
- ret = dict_get_uint64 (rsp_dict, "failures", &failures);
- if (ret)
- gf_log (THIS->name, GF_LOG_TRACE,
- "failed to get failure count");
-
- if (files)
- volinfo->rebalance_files = files;
- if (size)
- volinfo->rebalance_data = size;
- if (lookup)
- volinfo->lookedup_files = lookup;
- if (failures)
- volinfo->rebalance_failures = failures;
+ if (rsp_dict) {
+ ret = glusterd_defrag_volume_status_update (volinfo,
+ rsp_dict);
+ }
if (!op_ctx) {
dict_copy (rsp_dict, op_ctx);
goto out;
}
-populate:
ret = dict_get_int32 (op_ctx, "count", &i);
i++;
@@ -3364,12 +3326,10 @@ populate:
if (ret)
gf_log (THIS->name, GF_LOG_ERROR,
"failed to set lookedup file count");
- if (!status)
- status = volinfo->defrag_status;
memset (key, 0 , 256);
snprintf (key, 256, "status-%d", i);
- ret = dict_set_int32 (op_ctx, key, status);
+ ret = dict_set_int32 (op_ctx, key, volinfo->defrag_status);
if (ret)
gf_log (THIS->name, GF_LOG_ERROR,
"failed to set status");
diff --git a/xlators/mgmt/glusterd/src/glusterd-rebalance.c b/xlators/mgmt/glusterd/src/glusterd-rebalance.c
index fddf6699f9e..9ed6af66741 100644
--- a/xlators/mgmt/glusterd/src/glusterd-rebalance.c
+++ b/xlators/mgmt/glusterd/src/glusterd-rebalance.c
@@ -677,3 +677,30 @@ out:
return ret;
}
+
+int32_t
+glusterd_defrag_event_notify_handle (dict_t *dict)
+{
+ glusterd_volinfo_t *volinfo = NULL;
+ char *volname = NULL;
+ int32_t ret = -1;
+
+ ret = dict_get_str (dict, "volname", &volname);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Failed to get volname");
+ return ret;
+ }
+
+ ret = glusterd_volinfo_find (volname, &volinfo);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Failed to get volinfo for %s"
+ , volname);
+ return ret;
+ }
+
+ ret = glusterd_defrag_volume_status_update (volinfo, dict);
+
+ if (ret)
+ gf_log ("", GF_LOG_ERROR, "Failed to update status");
+ return ret;
+}
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index 73770bb76a9..6e3a1671015 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -5418,3 +5418,56 @@ glusterd_validate_volume_id (dict_t *op_dict, glusterd_volinfo_t *volinfo)
out:
return ret;
}
+
+int
+glusterd_defrag_volume_status_update (glusterd_volinfo_t *volinfo,
+ dict_t *rsp_dict)
+{
+ int ret = 0;
+ uint64_t files = 0;
+ uint64_t size = 0;
+ uint64_t lookup = 0;
+ gf_defrag_status_t status = GF_DEFRAG_STATUS_NOT_STARTED;
+ uint64_t failures = 0;
+ xlator_t *this = NULL;
+
+ this = THIS;
+
+ ret = dict_get_uint64 (rsp_dict, "files", &files);
+ if (ret)
+ gf_log (this->name, GF_LOG_TRACE,
+ "failed to get file count");
+
+ ret = dict_get_uint64 (rsp_dict, "size", &size);
+ if (ret)
+ gf_log (this->name, GF_LOG_TRACE,
+ "failed to get size of xfer");
+
+ ret = dict_get_uint64 (rsp_dict, "lookups", &lookup);
+ if (ret)
+ gf_log (this->name, GF_LOG_TRACE,
+ "failed to get lookedup file count");
+
+ ret = dict_get_int32 (rsp_dict, "status", (int32_t *)&status);
+ if (ret)
+ gf_log (this->name, GF_LOG_TRACE,
+ "failed to get status");
+
+ ret = dict_get_uint64 (rsp_dict, "failures", &failures);
+ if (ret)
+ gf_log (this->name, GF_LOG_TRACE,
+ "failed to get failure count");
+
+ if (files)
+ volinfo->rebalance_files = files;
+ if (size)
+ volinfo->rebalance_data = size;
+ if (lookup)
+ volinfo->lookedup_files = lookup;
+ if (status)
+ volinfo->defrag_status = status;
+ if (failures)
+ volinfo->rebalance_failures = failures;
+
+ return ret;
+}
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.h b/xlators/mgmt/glusterd/src/glusterd-utils.h
index 602dc780fef..0213f0a1dfe 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.h
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.h
@@ -434,4 +434,8 @@ glusterd_is_local_brick (xlator_t *this, glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo);
int
glusterd_validate_volume_id (dict_t *op_dict, glusterd_volinfo_t *volinfo);
+
+int
+glusterd_defrag_volume_status_update (glusterd_volinfo_t *volinfo,
+ dict_t *rsp_dict);
#endif
diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h
index 7484fc6959d..a4c414be74d 100644
--- a/xlators/mgmt/glusterd/src/glusterd.h
+++ b/xlators/mgmt/glusterd/src/glusterd.h
@@ -642,5 +642,6 @@ int glusterd_op_gsync_args_get (dict_t *dict, char **op_errstr,
/* Synctask part */
int32_t glusterd_op_begin_synctask (rpcsvc_request_t *req, glusterd_op_t op,
void *dict);
-
+int32_t
+glusterd_defrag_event_notify_handle (dict_t *dict);
#endif