1 /* Copyright (c) 2010. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "xbt/sysdep.h" /* calloc, printf */
11 /* Create a log channel to have nice outputs. */
13 #include "xbt/asserts.h"
14 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,"Messages specific for this msg example");
16 int master(int argc, char *argv[]);
17 int slave(int argc, char *argv[]);
18 MSG_error_t test_all(const char *platform_file, const char *application_file);
20 /** Emitter function */
21 int master(int argc, char *argv[])
23 long number_of_tasks = atol(argv[1]);
24 double task_comp_size = atof(argv[2]);
25 double task_comm_size = atof(argv[3]);
26 long slaves_count = atol(argv[4]);
28 //setting the variable "is_master" (previously declared) to value 1
29 TRACE_host_variable_set ("is_master", 1);
32 for (i = 0; i < number_of_tasks; i++) {
34 task = MSG_task_create("task", task_comp_size, task_comm_size, NULL);
36 //setting the variable "task_creation" to value i
37 TRACE_host_variable_set ("task_creation", i);
39 //setting the category of task to "compute"
40 //the category of a task must be defined before it is sent or executed
41 TRACE_msg_set_task_category (task, "compute");
42 MSG_task_send(task, "master_mailbox");
45 for (i = 0; i < slaves_count; i++) {
46 m_task_t finalize = MSG_task_create ("finalize", 0, 0, 0);
47 TRACE_msg_set_task_category(finalize, "finalize");
48 MSG_task_send(finalize, "master_mailbox");
54 /** Receiver function */
55 int slave(int argc, char *argv[])
60 TRACE_host_variable_set ("is_slave", 1);
62 res = MSG_task_receive(&(task), "master_mailbox");
64 if (!strcmp(MSG_task_get_name(task),"finalize")) {
65 MSG_task_destroy(task);
69 //adding the value returned by MSG_task_get_compute_duration(task)
70 //to the variable "task_computation"
71 TRACE_host_variable_add ("task_computation",
72 MSG_task_get_compute_duration(task));
73 MSG_task_execute(task);
74 MSG_task_destroy(task);
81 MSG_error_t test_all(const char *platform_file,
82 const char *application_file)
84 MSG_error_t res = MSG_OK;
86 { /* Simulation setting */
87 MSG_set_channel_number(0);
88 MSG_create_environment(platform_file);
90 { /* Application deployment */
91 MSG_function_register("master", master);
92 MSG_function_register("slave", slave);
93 MSG_launch_application(application_file);
97 INFO1("Simulation time %g",MSG_get_clock());
103 int main(int argc, char *argv[])
105 MSG_error_t res = MSG_OK;
107 //starting the simulation tracing
108 TRACE_start ("ms.trace");
110 //declaring user variables
111 TRACE_host_variable_declare ("is_slave");
112 TRACE_host_variable_declare ("is_master");
113 TRACE_host_variable_declare ("task_creation");
114 TRACE_host_variable_declare ("task_computation");
116 //declaring user categories
117 TRACE_category ("compute");
118 TRACE_category ("finalize");
120 MSG_global_init(&argc,argv);
122 printf ("Usage: %s platform_file deployment_file\n",argv[0]);
123 printf ("example: %s msg_platform.xml msg_deployment.xml\n",argv[0]);
126 res = test_all(argv[1],argv[2]);
129 //ending the simulation tracing