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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 /glusterfsd
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 'glusterfsd')
-rw-r--r--glusterfsd/src/glusterfsd-mgmt.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/glusterfsd/src/glusterfsd-mgmt.c b/glusterfsd/src/glusterfsd-mgmt.c
index dac92d6..4f01871 100644
--- a/glusterfsd/src/glusterfsd-mgmt.c
+++ b/glusterfsd/src/glusterfsd-mgmt.c
@@ -67,6 +67,12 @@ mgmt_cbk_spec (void *data)
return 0;
}
+
+int
+mgmt_cbk_event (void *data)
+{
+ return 0;
+}
struct iobuf *
glusterfs_serialize_reply (rpcsvc_request_t *req, void *arg,
struct iovec *outmsg, xdrproc_t xdrproc)
@@ -1246,6 +1252,8 @@ out:
rpcclnt_cb_actor_t gluster_cbk_actors[] = {
[GF_CBK_FETCHSPEC] = {"FETCHSPEC", GF_CBK_FETCHSPEC, mgmt_cbk_spec },
+ [GF_CBK_EVENT_NOTIFY] = {"EVENTNOTIFY", GF_CBK_EVENT_NOTIFY,
+ mgmt_cbk_event},
};
@@ -1279,6 +1287,7 @@ char *clnt_handshake_procs[GF_HNDSK_MAXVALUE] = {
[GF_HNDSK_SETVOLUME] = "SETVOLUME",
[GF_HNDSK_GETSPEC] = "GETSPEC",
[GF_HNDSK_PING] = "PING",
+ [GF_HNDSK_EVENT_NOTIFY] = "EVENTNOTIFY",
};
rpc_clnt_prog_t clnt_handshake_prog = {
@@ -1639,6 +1648,77 @@ glusterfs_volfile_fetch (glusterfs_ctx_t *ctx)
return ret;
}
+int32_t
+mgmt_event_notify_cbk (struct rpc_req *req, struct iovec *iov, int count,
+ void *myframe)
+{
+ gf_event_notify_rsp rsp = {0,};
+ call_frame_t *frame = NULL;
+ glusterfs_ctx_t *ctx = NULL;
+ int ret = 0;
+
+ frame = myframe;
+ ctx = frame->this->ctx;
+
+ if (-1 == req->rpc_status) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = xdr_to_generic (*iov, &rsp, (xdrproc_t)xdr_gf_event_notify_rsp);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR, "XDR decoding error");
+ ret = -1;
+ goto out;
+ }
+
+ if (-1 == rsp.op_ret) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "failed to get the rsp from server");
+ ret = -1;
+ goto out;
+ }
+out:
+ if (rsp.dict.dict_val)
+ free (rsp.dict.dict_val); //malloced by xdr
+ return ret;
+
+}
+int32_t
+glusterfs_rebalance_event_notify (dict_t *dict)
+{
+ glusterfs_ctx_t *ctx = NULL;
+ gf_event_notify_req req = {0,};
+ int32_t ret = -1;
+ cmd_args_t *cmd_args = NULL;
+ call_frame_t *frame = NULL;
+
+ ctx = glusterfs_ctx_get ();
+ cmd_args = &ctx->cmd_args;
+
+ frame = create_frame (THIS, ctx->pool);
+
+ req.op = GF_EN_DEFRAG_STATUS;
+
+ if (dict) {
+ ret = dict_set_str (dict, "volname", cmd_args->volfile_id);
+ if (ret)
+ gf_log ("", GF_LOG_ERROR, "failed to set volname");
+
+ ret = dict_allocate_and_serialize (dict, &req.dict.dict_val,
+ (size_t *)&req.dict.dict_len);
+ }
+
+ ret = mgmt_submit_request (&req, frame, ctx, &clnt_handshake_prog,
+ GF_HNDSK_EVENT_NOTIFY, NULL,
+ (xdrproc_t)xdr_gf_event_notify_req);
+
+ if (req.dict.dict_val)
+ GF_FREE (req.dict.dict_val);
+
+ STACK_DESTROY (frame->root);
+ return ret;
+}
static int
mgmt_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event,