X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b8dc4761bddf2c38643048a549e7d8cc2bf722d5..9121f87db72ee514f1ecc706cf7c314b1d3f8a9e:/examples/smpi/replay/replay.c

diff --git a/examples/smpi/replay/replay.c b/examples/smpi/replay/replay.c
index f508f9d958..fb0e9f9577 100644
--- a/examples/smpi/replay/replay.c
+++ b/examples/smpi/replay/replay.c
@@ -1,19 +1,40 @@
-/* Copyright (c) 2009, 2010, 2011, 2012. The SimGrid Team.
- * All rights reserved.                                                     */
+/* Copyright (c) 2009-2017. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
-#include <stdio.h>
+#include "xbt/replay.hpp"
 #include "smpi/smpi.h"
 
-int main(int argc, char *argv[])
+/* This shows how to extend the trace format by adding a new kind of events.
+   This function is registered through xbt_replay_action_register() below. */
+static void action_blah(const char* const* args)
 {
+  /* Add your answer to the blah event here.
+     args is a strings array containing the blank-separated parameters found in the trace for this event instance. */
+}
+
+action_fun previous_send;
+static void overriding_send(const char* const* args)
+{
+  (*previous_send)(args); // Just call the overriden symbol. That's a toy example.
+}
+
+int main(int argc, char *argv[]) {
+  /* Setup things and register default actions */
   smpi_replay_init(&argc, &argv);
 
-  /* Actually do the simulation using smpi_action_trace_run */
-  smpi_action_trace_run(NULL);
-  smpi_replay_finalize();
+  /* Connect your callback function to the "blah" event in the trace files */
+  xbt_replay_action_register("blah", action_blah);
 
+  /* The send action is an override, so we have to first save its previous value in a global */
+  int rank;
+  MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+  if (rank == 0) {
+    previous_send = xbt_replay_action_get("send");
+    xbt_replay_action_register("send", overriding_send);
+  }
+  /* The regular run of the replayer */
+  smpi_replay_main(&argc, &argv);
   return 0;
 }