Loosened strict RFC6022 session transport requirement due to race condition in clixon_snmp

lib/src/clixon_data.c

@@ -828,6 +828,16 @@ clicon_session_id_get(clicon_handle h,
     return 0;
 }
 
+/*! Delete session id
+ */
+int
+clicon_session_id_del(clicon_handle h)
+{
+    clicon_hash_t *cdat = clicon_data(h);
+
+    return clicon_hash_del(cdat, (char*)"session-id");
+}
+
 /*! Set session id
  * @param[in]  h   Clicon handle
  * @param[in]  id  Session id

lib/src/clixon_proto_client.c

@@ -223,7 +223,9 @@ clicon_rpc_msg(clicon_handle      h,
                 goto done;
             }
             /* To disable this restart, unset PROTO_RESTART_RECONNECT */
+            clicon_session_id_del(h);
             clicon_log(LOG_WARNING, "The backend was probably restarted and the client has reconnected to the backend. Any locks or candidate edits are lost.");
+
         }
 #else
         clicon_err(OE_PROTO, ESHUTDOWN, "Unexpected close of CLICON_SOCK. Clixon backend daemon may have crashed.");