X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e673f975c63eb812ff26e1598684c2941859132a..eee4fd8a61935c3b7cbefe0768e040eeea1c9336:/examples/simdag/sd_comm_throttling.c

diff --git a/examples/simdag/sd_comm_throttling.c b/examples/simdag/sd_comm_throttling.c
index a9fb24f1dc..8bbcf9556c 100644
--- a/examples/simdag/sd_comm_throttling.c
+++ b/examples/simdag/sd_comm_throttling.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2006-2010, 2012-2015. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -6,7 +6,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include "simdag/simdag.h"
+#include "simgrid/simdag.h"
 #include "xbt/ex.h"
 #include "xbt/log.h"
 
@@ -17,28 +17,23 @@ int main(int argc, char **argv)
 {
   unsigned int ctr;
   const char *platform_file;
-  const SD_workstation_t *workstations;
+  const sg_host_t *workstations;
   SD_task_t task, taskA, taskB, taskC, taskD, taskE;
   xbt_dynar_t changed_tasks;
 
-  SD_workstation_t workstation_list[4];
-  
   /* initialization of SD */
   SD_init(&argc, argv);
 
   /*  xbt_log_control_set("sd.thres=debug"); */
 
-  if (argc < 2) {
-    XBT_INFO("Usage: %s platform_file", argv[0]);
-    XBT_INFO("example: %s sd_platform.xml", argv[0]);
-    exit(1);
-  }
+  xbt_assert(argc > 1, "Usage: %s platform_file\n"
+       "\nExample: %s two_clusters.xml", argv[0], argv[0]);
 
   /* creation of the environment */
   platform_file = argv[1];
   SD_create_environment(platform_file);
  
-  workstations = SD_workstation_get_list();
+  workstations = sg_host_list();
 
   /* creation of some typed tasks and their dependencies */
   /* chain of five tasks, three compute tasks with two data transfers */
@@ -68,14 +63,19 @@ int main(int argc, char **argv)
     XBT_INFO("Simulation stopped after %.4f seconds", SD_get_clock());
     xbt_dynar_foreach(changed_tasks, ctr, task) {
       XBT_INFO("Task '%s' start time: %f, finish time: %f",
-	       SD_task_get_name(task),
-	       SD_task_get_start_time(task), 
-	       SD_task_get_finish_time(task));
+         SD_task_get_name(task),
+         SD_task_get_start_time(task), 
+         SD_task_get_finish_time(task));
  
     }
     /* let throttle the communication for taskD if its parent is SD_DONE */
-    if (SD_task_get_state(taskC) == SD_DONE)
-      SD_task_set_rate(taskD, 0.5);
+    /* the bandwidth is 1.25e8, the data size is 1e7, and we want to throttle
+     * the bandwidth by a factor 2. the rate is then 1.25e8/(2*1e7)=6.25
+     * Changing the rate is possible before the task execution starts (in SD_RUNNING
+     * state).
+     */
+    if (SD_task_get_state(taskC) == SD_DONE && SD_task_get_state(taskD) < SD_RUNNING)
+      SD_task_set_rate(taskD, 6.25);
   }
 
   XBT_DEBUG("Destroying tasks...");