1 /* Copyright (c) 2010-2014. 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[]);
20 /** Emitter function */
21 int master(int argc, char *argv[])
23 double task_comp_size = 5E7;
24 double task_comm_size = 1E6;
28 msg_task_t task = NULL;
29 msg_comm_t comm = NULL;
32 sprintf(mailbox, "jupi");
34 task = MSG_task_create("normal", task_comp_size, task_comm_size, NULL);
35 XBT_INFO("Sending task: \"%s\"", task->name);
36 MSG_task_send_with_timeout(task, mailbox, timeout);
38 task = MSG_task_create("cancel directly", task_comp_size, task_comm_size, NULL);
39 XBT_INFO("Canceling task \"%s\" directly", task->name);
40 MSG_task_cancel(task);
42 task = MSG_task_create("destroy directly", task_comp_size, task_comm_size, NULL);
43 XBT_INFO("Destroying task \"%s\" directly", task->name);
44 MSG_task_destroy(task);
46 task = MSG_task_create("cancel", task_comp_size, task_comm_size, NULL);
47 comm = MSG_task_isend(task, mailbox);
48 XBT_INFO("Canceling task \"%s\" during comm", task->name);
49 MSG_task_cancel(task);
51 MSG_comm_wait(comm, -1);
55 MSG_comm_destroy(comm);
58 task = MSG_task_create("finalize", task_comp_size, task_comm_size, NULL);
59 comm = MSG_task_isend(task, mailbox);
60 XBT_INFO("Destroying task \"%s\" during comm", task->name);
61 MSG_task_destroy(task);
63 MSG_comm_wait(comm, -1);
67 MSG_comm_destroy(comm);
70 task = MSG_task_create("cancel", task_comp_size, task_comm_size, NULL);
71 MSG_task_send_with_timeout(task, mailbox, timeout);
73 task = MSG_task_create("finalize", task_comp_size, task_comm_size, NULL);
74 MSG_task_send_with_timeout(task, mailbox, timeout);
76 XBT_INFO("Goodbye now!");
80 static int worker_main(int argc, char *argv[])
82 msg_task_t task = MSG_process_get_data(MSG_process_self());
83 XBT_INFO("Start %s", task->name);
84 MSG_task_execute(task);
85 XBT_INFO("Task done");
89 /** Receiver function */
90 int slave(int argc, char *argv[])
93 _XBT_GNUC_UNUSED int res;
97 sprintf(mailbox, "jupi");
101 res = MSG_task_receive(&(task), mailbox);
102 xbt_assert(res == MSG_OK, "MSG_task_get failed");
103 XBT_INFO("Handling task \"%s\"", MSG_task_get_name(task));
105 if (!strcmp(MSG_task_get_name(task), "finalize")) {
106 XBT_INFO("Destroying task \"%s\"", task->name);
107 MSG_task_destroy(task);
111 if (!strcmp(MSG_task_get_name(task), "cancel")) {
112 MSG_process_create("worker1", worker_main, task, MSG_host_self());
113 XBT_INFO("Canceling task \"%s\"", task->name);
114 MSG_task_cancel(task);
118 start = MSG_get_clock();
119 MSG_task_execute(task);
120 end = MSG_get_clock();
121 XBT_INFO("Task \"%s\" done in %f (amount %f)"
122 , MSG_task_get_name(task)
124 , MSG_task_get_remaining_computation(task));
126 MSG_task_destroy(task);
130 XBT_INFO("I'm done. See you!");
135 int main(int argc, char *argv[])
138 const char *platform_file;
139 const char *application_file;
141 MSG_init(&argc, argv);
143 printf("Usage: %s platform_file deployment_file\n", argv[0]);
144 printf("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
147 platform_file = argv[1];
148 application_file = argv[2];
150 /* MSG_config("workstation/model","KCCFLN05"); */
151 { /* Simulation setting */
152 MSG_create_environment(platform_file);
154 { /* Application deployment */
155 MSG_function_register("master", master);
156 MSG_function_register("slave", slave);
158 MSG_launch_application(application_file);
162 XBT_INFO("Simulation time %g", MSG_get_clock());