1 /* Copyright (c) 2007, 2008, 2009, 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. */
8 #include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
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,
15 "Messages specific for this msg example");
17 int master(int argc, char *argv[]);
18 int slave(int argc, char *argv[]);
19 int forwarder(int argc, char *argv[]);
20 MSG_error_t test_all(const char *platform_file,
21 const char *application_file);
28 #define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
30 /** Emitter function */
31 int master(int argc, char *argv[])
34 m_host_t *slaves = NULL;
35 int number_of_tasks = 0;
36 double task_comp_size = 0;
37 double task_comm_size = 0;
41 read = sscanf(argv[1], "%d", &number_of_tasks);
42 xbt_assert(read, "Invalid argument %s\n", argv[1]);
43 read = sscanf(argv[2], "%lg", &task_comp_size);
44 xbt_assert(read, "Invalid argument %s\n", argv[2]);
45 read = sscanf(argv[3], "%lg", &task_comm_size);
46 xbt_assert(read, "Invalid argument %s\n", argv[3]);
48 { /* Process organisation */
49 slaves_count = argc - 4;
50 slaves = xbt_new0(m_host_t, slaves_count);
52 for (i = 4; i < argc; i++) {
53 slaves[i - 4] = MSG_get_host_by_name(argv[i]);
54 if (slaves[i - 4] == NULL) {
55 XBT_INFO("Unknown host %s. Stopping Now! ", argv[i]);
61 XBT_INFO("Got %d slave(s) :", slaves_count);
62 for (i = 0; i < slaves_count; i++)
63 XBT_INFO("%s", slaves[i]->name);
65 XBT_INFO("Got %d task to process :", number_of_tasks);
67 for (i = 0; i < number_of_tasks; i++) {
68 m_task_t task = MSG_task_create("Task", task_comp_size, task_comm_size,
71 *((double *) task->data) = MSG_get_clock();
73 a = MSG_task_put_with_timeout(task, slaves[i % slaves_count], PORT_22,
76 XBT_INFO("Send completed");
77 } else if (a == MSG_HOST_FAILURE) {
79 ("Gloups. The cpu on which I'm running just turned off!. See you!");
81 MSG_task_destroy(task);
84 } else if (a == MSG_TRANSFER_FAILURE) {
86 ("Mmh. Something went wrong with '%s'. Nevermind. Let's keep going!",
87 slaves[i % slaves_count]->name);
89 MSG_task_destroy(task);
90 } else if (a == MSG_TIMEOUT) {
92 ("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!",
93 slaves[i % slaves_count]->name);
95 MSG_task_destroy(task);
97 XBT_INFO("Hey ?! What's up ? ");
98 xbt_die( "Unexpected behavior");
103 ("All tasks have been dispatched. Let's tell everybody the computation is over.");
104 for (i = 0; i < slaves_count; i++) {
105 m_task_t task = MSG_task_create("finalize", 0, 0, FINALIZE);
106 int a = MSG_task_put_with_timeout(task, slaves[i], PORT_22, 1.0);
109 if (a == MSG_HOST_FAILURE) {
111 ("Gloups. The cpu on which I'm running just turned off!. See you!");
112 MSG_task_destroy(task);
115 } else if (a == MSG_TRANSFER_FAILURE) {
116 XBT_INFO("Mmh. Can't reach '%s'! Nevermind. Let's keep going!",
118 MSG_task_destroy(task);
119 } else if (a == MSG_TIMEOUT) {
121 ("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!",
122 slaves[i % slaves_count]->name);
123 MSG_task_destroy(task);
125 XBT_INFO("Hey ?! What's up ? ");
126 xbt_die("Unexpected behavior with '%s': %d", slaves[i]->name, a);
130 XBT_INFO("Goodbye now!");
133 } /* end_of_master */
135 /** Receiver function */
136 int slave(int argc, char *argv[])
139 m_task_t task = NULL;
143 time1 = MSG_get_clock();
144 a = MSG_task_get(&(task), PORT_22);
145 time2 = MSG_get_clock();
147 XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
148 if (MSG_task_get_data(task) == FINALIZE) {
149 MSG_task_destroy(task);
152 if (time1 < *((double *) task->data))
153 time1 = *((double *) task->data);
154 XBT_INFO("Communication time : \"%f\"", time2 - time1);
155 XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
156 a = MSG_task_execute(task);
158 XBT_INFO("\"%s\" done", MSG_task_get_name(task));
160 MSG_task_destroy(task);
161 } else if (a == MSG_HOST_FAILURE) {
163 ("Gloups. The cpu on which I'm running just turned off!. See you!");
166 XBT_INFO("Hey ?! What's up ? ");
167 xbt_die("Unexpected behavior");
169 } else if (a == MSG_HOST_FAILURE) {
171 ("Gloups. The cpu on which I'm running just turned off!. See you!");
173 } else if (a == MSG_TRANSFER_FAILURE) {
174 XBT_INFO("Mmh. Something went wrong. Nevermind. Let's keep going!");
176 XBT_INFO("Hey ?! What's up ? ");
177 xbt_die("Unexpected behavior");
180 XBT_INFO("I'm done. See you!");
185 MSG_error_t test_all(const char *platform_file,
186 const char *application_file)
188 MSG_error_t res = MSG_OK;
190 /* MSG_config("workstation/model","KCCFLN05"); */
191 { /* Simulation setting */
192 MSG_set_channel_number(MAX_CHANNEL);
193 MSG_create_environment(platform_file);
195 { /* Application deployment */
196 MSG_function_register("master", master);
197 MSG_function_register("slave", slave);
198 MSG_launch_application(application_file);
202 XBT_INFO("Simulation time %g", MSG_get_clock());
204 } /* end_of_test_all */
208 int main(int argc, char *argv[])
210 MSG_error_t res = MSG_OK;
212 MSG_global_init(&argc, argv);
214 printf("Usage: %s platform_file deployment_file\n", argv[0]);
215 printf("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
218 res = test_all(argv[1], argv[2]);