rpcsvc: decouple creation of listener from rpcsvc_program_register and rpcsvc_init.

- with this patch every program that wants to register itself with rpcsvc should
    also create one or more listener(s) and register with portmap (if necessary).

Signed-off-by: Raghavendra G <raghavendra@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875

1 files changed, 5 insertions, 2 deletions

diff --git a/rpc/rpc-lib/src/rpc-transport.c b/rpc/rpc-lib/src/rpc-transport.c
index e3bc519fc97..adbc0fe1e2b 100644
--- a/rpc/rpc-lib/src/rpc-transport.c
+++ b/rpc/rpc-lib/src/rpc-transport.c
@@ -1119,8 +1119,11 @@ rpc_transport_notify (rpc_transport_t *this, rpc_transport_event_t event,
                 goto out;
         }
 
-        //ret = this->notify (this, this->notify_data, event, data);
-        ret = this->notify (this, this->mydata, event, data);
+        if (this->notify != NULL) {
+                ret = this->notify (this, this->mydata, event, data);
+        } else {
+                ret = 0;
+        }
 out:
         return ret;
 }