1 /* Copyright (c) 2007-2015. 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. */
7 #include "simgrid/msg.h"
9 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
11 #define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
13 static int master(int argc, char *argv[])
17 long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s");
18 double task_comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s");
19 double task_comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s");
20 long workers_count = xbt_str_parse_int(argv[4], "Invalid amount of workers: %s");
22 XBT_INFO("Got %ld workers and %ld tasks to process", workers_count, number_of_tasks);
24 for (i = 0; i < number_of_tasks; i++) {
26 snprintf(mailbox, 255, "worker-%ld", i % workers_count);
28 msg_task_t task = MSG_task_create("Task", task_comp_size, task_comm_size, xbt_new0(double, 1));
29 *((double *) task->data) = MSG_get_clock();
31 msg_error_t a = MSG_task_send_with_timeout(task,mailbox,10.0);
34 XBT_INFO("Send completed");
35 } else if (a == MSG_HOST_FAILURE) {
36 XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
38 MSG_task_destroy(task);
40 } else if (a == MSG_TRANSFER_FAILURE) {
41 XBT_INFO("Mmh. Something went wrong with '%s'. Nevermind. Let's keep going!", mailbox);
43 MSG_task_destroy(task);
44 } else if (a == MSG_TIMEOUT) {
45 XBT_INFO ("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!", mailbox);
47 MSG_task_destroy(task);
49 XBT_INFO("Hey ?! What's up ? ");
50 xbt_die( "Unexpected behavior");
54 XBT_INFO("All tasks have been dispatched. Let's tell everybody the computation is over.");
55 for (i = 0; i < workers_count; i++) {
57 snprintf(mailbox, 255, "worker-%ld", i % workers_count);
58 msg_task_t task = MSG_task_create("finalize", 0, 0, FINALIZE);
59 int a = MSG_task_send_with_timeout(task,mailbox,1.0);
61 MSG_task_destroy(task);
63 if (a == MSG_HOST_FAILURE) {
64 XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
66 } else if (a == MSG_TRANSFER_FAILURE) {
67 XBT_INFO("Mmh. Can't reach '%s'! Nevermind. Let's keep going!", mailbox);
68 } else if (a == MSG_TIMEOUT) {
69 XBT_INFO("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!", mailbox);
70 } else if (a != MSG_OK){
71 XBT_INFO("Hey ?! What's up ? ");
72 xbt_die("Unexpected behavior with '%s': %d", mailbox, a);
76 XBT_INFO("Goodbye now!");
80 static int worker(int argc, char *argv[])
82 msg_task_t task = NULL;
85 long id= xbt_str_parse_int(argv[1], "Invalid argument %s");
87 snprintf(mailbox, 79,"worker-%ld", id);
90 double time1 = MSG_get_clock();
91 int a = MSG_task_receive( &(task), mailbox);
92 double time2 = MSG_get_clock();
94 XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
95 if (MSG_task_get_data(task) == FINALIZE) {
96 MSG_task_destroy(task);
100 if (time1 < *((double *) task->data))
101 time1 = *((double *) task->data);
102 XBT_INFO("Communication time : \"%f\"", time2 - time1);
103 XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
104 a = MSG_task_execute(task);
106 XBT_INFO("\"%s\" done", MSG_task_get_name(task));
108 MSG_task_destroy(task);
110 } else if (a == MSG_HOST_FAILURE) {
111 XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
113 MSG_task_destroy(task);
117 XBT_INFO("Hey ?! What's up ? ");
118 xbt_die("Unexpected behavior");
120 } else if (a == MSG_HOST_FAILURE) {
121 XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
123 } else if (a == MSG_TRANSFER_FAILURE) {
124 XBT_INFO("Mmh. Something went wrong. Nevermind. Let's keep going!");
126 XBT_INFO("Hey ?! What's up ? ");
127 xbt_die("Unexpected behavior");
130 XBT_INFO("I'm done. See you!");
134 int main(int argc, char *argv[])
136 msg_error_t res = MSG_OK;
138 MSG_init(&argc, argv);
139 xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
140 "\tExample: %s msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
142 MSG_create_environment(argv[1]);
144 MSG_function_register("master", master);
145 MSG_function_register("worker", worker);
146 MSG_launch_application(argv[2]);
150 XBT_INFO("Simulation time %g", MSG_get_clock());
152 return res != MSG_OK;