Add a cmake flag to not compile MSG at all

[simgrid.git] / examples / smpi / replay_multiple / replay_multiple.c

diff --git a/examples/smpi/replay_multiple/replay_multiple.c b/examples/smpi/replay_multiple/replay_multiple.c
index a7cfeb5..6bf7d76 100644 (file)
--- a/examples/smpi/replay_multiple/replay_multiple.c
+++ b/examples/smpi/replay_multiple/replay_multiple.c
@@ -1,38 +1,50 @@
-/* Copyright (c) 2009-2015. The SimGrid Team.
+/* Copyright (c) 2009-2020. 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 "simgrid/msg.h"
 #include "mpi.h"
+#include "simgrid/engine.h"
+#include "xbt/str.h"
+
+#include <stdio.h>
+#include <string.h>
 
 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
 
 static int smpi_replay(int argc, char *argv[]) {
-  smpi_replay_run(&argc, &argv);
+  const char* instance_id    = argv[1];
+  int rank                   = xbt_str_parse_int(argv[2], "Cannot parse rank '%s'");
+  const char* trace_filename = argv[3];
+  double start_delay_flops   = 0;
+
+  if (argc > 4) {
+    start_delay_flops = xbt_str_parse_double(argv[4], "Cannot parse start_delay_flops");
+  }
+
+  smpi_replay_run(instance_id, rank, start_delay_flops, trace_filename);
   return 0;
 }
 
 int main(int argc, char *argv[]){
-  msg_error_t res;
-
-  MSG_init(&argc, argv);
+  simgrid_init(&argc, argv);
+  SMPI_init();
 
   xbt_assert(argc > 3, "Usage: %s description_file platform_file deployment_file\n"
              "\tExample: %s smpi_multiple_apps msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
 
   /*  Simulation setting */
-  MSG_create_environment(argv[2]);
+  simgrid_load_platform(argv[2]);
 
   /*   Application deployment: read the description file in order to identify instances to launch */
   FILE* fp = fopen(argv[1], "r");
   if (fp == NULL)
     xbt_die("Cannot open %s", argv[1]);
-  char *line = NULL;
-  size_t n   = 0;
+  char line[2048];
   const char* instance_id = NULL;
-  while (xbt_getline(&line, &n, fp) != -1 ){
+  while (fgets(line, sizeof line, fp)) {
+    xbt_assert(1 + strlen(line) < sizeof line, "input buffer too short (read: %s)", line);
     xbt_dynar_t elems = xbt_str_split_quoted_in_place(line);
     if(xbt_dynar_length(elems)<3){
       xbt_die ("Not enough elements in the line");
@@ -47,17 +59,14 @@ int main(int argc, char *argv[]){
 
     xbt_free(line_char);
   }
-  xbt_free(line);
 
   fclose(fp);
 
-  MSG_launch_application(argv[3]);
-  SMPI_init();
-
-  res = MSG_main();
+  simgrid_load_deployment(argv[3]);
+  simgrid_run();
 
-  XBT_INFO("Simulation time %g", MSG_get_clock());
+  XBT_INFO("Simulation time %g", simgrid_get_clock());
 
   SMPI_finalize();
-  return res != MSG_OK;
+  return 0;
 }