1 /* Copyright (c) 2010-2018. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "simgrid/msg.h"
9 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
11 static int trace_fun(int argc, char *argv[])
13 const char *hostname = MSG_host_get_name(MSG_host_self());
15 //the hostname has an empty HDD with a capacity of 100000 (bytes)
16 TRACE_host_variable_set(hostname, "HDD_capacity", 100000);
17 TRACE_host_variable_set(hostname, "HDD_utilization", 0);
19 for (int i = 0; i < 10; i++) {
20 //create and execute a task just to make the simulated time advance
21 msg_task_t task = MSG_task_create("task", 10000, 0, NULL);
22 MSG_task_execute (task);
23 MSG_task_destroy (task);
25 //ADD: after the execution of this task, the HDD utilization increases by 100 (bytes)
26 TRACE_host_variable_add(hostname, "HDD_utilization", 100);
29 for (int i = 0; i < 10; i++) {
30 //create and execute a task just to make the simulated time advance
31 msg_task_t task = MSG_task_create("task", 10000, 0, NULL);
32 MSG_task_execute (task);
33 MSG_task_destroy (task);
35 //SUB: after the execution of this task, the HDD utilization decreases by 100 (bytes)
36 TRACE_host_variable_sub(hostname, "HDD_utilization", 100);
41 int main(int argc, char *argv[])
43 MSG_init(&argc, argv);
44 xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
45 "\tExample: %s msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
47 MSG_create_environment(argv[1]);
49 //declaring user variables
50 TRACE_host_variable_declare("HDD_capacity");
51 TRACE_host_variable_declare("HDD_utilization");
53 //register functions and launch deployment
54 MSG_function_register("master", trace_fun);
55 MSG_function_register("worker", trace_fun);
56 MSG_launch_application(argv[2]);
60 //get user declared variables
63 xbt_dynar_t host_variables = TRACE_get_host_variables ();
65 XBT_INFO ("Declared host variables:");
66 xbt_dynar_foreach (host_variables, cursor, variable){
67 XBT_INFO ("%s", variable);
69 xbt_dynar_free (&host_variables);
71 xbt_dynar_t link_variables = TRACE_get_link_variables ();
73 XBT_INFO ("Declared link variables:");
74 xbt_dynar_foreach (link_variables, cursor, variable){
75 XBT_INFO ("%s", variable);
77 xbt_dynar_free (&link_variables);
80 xbt_dynar_t nodes_type = TRACE_get_node_types ();
82 XBT_INFO ("Node types in the trace:");
84 xbt_dynar_foreach (nodes_type, cursor, node_type){
85 XBT_INFO ("%s", node_type);
87 xbt_dynar_free (&nodes_type);
89 xbt_dynar_t edges_type = TRACE_get_edge_types ();
91 XBT_INFO("Edge types in the trace:");
93 xbt_dynar_foreach (edges_type, cursor, edge_type){
94 XBT_INFO ("%s", edge_type);
96 xbt_dynar_free (&edges_type);