+/* Copyright (c) 2012. 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 <msg/msg.h>
+
+int master(int argc, char *argv[]);
+
+//dump function to create and execute a task
+static void create_and_execute_task (void)
+{
+ m_task_t task = MSG_task_create("task", 1000000, 0, NULL);
+ MSG_task_execute (task);
+ MSG_task_destroy (task);
+}
+
+int master(int argc, char *argv[])
+{
+ int i;
+
+ //Set initial values for the link user variables
+ //
+ //This example uses source and destination where
+ //source and destination are the name of hosts in
+ //the platform file.
+ //
+ //The functions will set/change the value of the variable
+ //for all links in the route between source and destination.
+
+ //Set the Link_Capacity variable
+ TRACE_link_srcdst_variable_set("Tremblay", "Bourassa", "Link_Capacity", 12.34);
+ TRACE_link_srcdst_variable_set("Fafard", "Ginette", "Link_Capacity", 56.78);
+
+ //Set the Link_Utilization variable
+ TRACE_link_srcdst_variable_set("Tremblay", "Bourassa", "Link_Utilization", 1.2);
+ TRACE_link_srcdst_variable_set("Fafard", "Ginette", "Link_Utilization", 3.4);
+
+ //run the simulation, update my variables accordingly
+ for (i = 0; i < 10; i++) {
+ create_and_execute_task ();
+
+ //Add to link user variables
+ TRACE_link_srcdst_variable_add ("Tremblay", "Bourassa", "Link_Utilization", 5.6);
+ TRACE_link_srcdst_variable_add ("Fafard", "Ginette", "Link_Utilization", 7.8);
+ }
+
+ for (i = 0; i < 10; i++) {
+ create_and_execute_task ();
+
+ //Subtract from link user variables
+ TRACE_link_srcdst_variable_sub ("Tremblay", "Bourassa", "Link_Utilization", 3.4);
+ TRACE_link_srcdst_variable_sub ("Fafard", "Ginette", "Link_Utilization", 5.6);
+ }
+
+ return 0;
+}
+
+/** Main function */
+int main(int argc, char *argv[])
+{
+ MSG_global_init(&argc, argv);
+ if (argc < 3) {
+ printf("Usage: %s platform_file deployment_file\n", argv[0]);
+ exit(1);
+ }
+
+ char *platform_file = argv[1];
+ char *deployment_file = argv[2];
+ MSG_create_environment(platform_file);
+
+ //declaring link user variables (one without, another with a RGB color)
+ TRACE_link_variable_declare("Link_Capacity");
+ TRACE_link_variable_declare_with_color ("Link_Utilization", "0.9 0.1 0.1");
+
+ //register "master" and "slave" functions and launch deployment
+ MSG_function_register("master", master);
+ MSG_function_register("slave", master);
+ MSG_launch_application(deployment_file);
+
+ MSG_main();
+ MSG_clean();
+ return 0;
+}
