corrected some issues related to non-matching sizes

src/network-workloads/model-net-mpi-replay.c

@@ -643,10 +643,12 @@ static int rm_matching_send(nw_state * ns,
     int index = 0;
     qlist_for_each(ent, &ns->arrival_queue){
         qi = qlist_entry(ent, mpi_msgs_queue, ql);
-        if((qi->num_bytes == qitem->num_bytes)
-                && (qi->tag == qitem->tag || qitem->tag == -1)
+        if(//(qi->num_bytes == qitem->num_bytes) // it is not a requirement in MPI that the send and receive sizes match
+                // && 
+		(qi->tag == qitem->tag || qitem->tag == -1)
                 && ((qi->source_rank == qitem->source_rank) || qitem->source_rank == -1))
         {
+            qitem->num_bytes = qi->num_bytes;
             matched = 1;
             break;
         }

src/workload/methods/codes-dumpi-trace-nw-wrkld.c

@@ -699,7 +699,7 @@ int dumpi_trace_nw_workload_load(const char* params, int app_id, int rank)
 	callbacks.on_recv_init = (dumpi_recv_init_call)handleDUMPIIgnore;
 	callbacks.on_start = (dumpi_start_call)handleDUMPIIgnore;
 	callbacks.on_startall = (dumpi_startall_call)handleDUMPIIgnore;
-	callbacks.on_sendrecv = (dumpi_sendrecv_call)handleDUMPIIgnore;
+	callbacks.on_sendrecv = (dumpi_sendrecv_call)handleDUMPISendrecv;
 	callbacks.on_sendrecv_replace = (dumpi_sendrecv_replace_call)handleDUMPIIgnore;
 	callbacks.on_type_contiguous = (dumpi_type_contiguous_call)handleDUMPIIgnore;
 	callbacks.on_barrier = (dumpi_barrier_call)handleDUMPIIgnore;