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. */
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);
23 /** Emitter function */
24 int master(int argc, char *argv[])
26 long number_of_tasks = atol(argv[1]);
27 double task_comp_size = atof(argv[2]);
28 double task_comm_size = atof(argv[3]);
29 long slaves_count = atol(argv[4]);
33 INFO2("Got %ld slaves and %ld tasks to process", slaves_count,
36 for (i = 0; i < number_of_tasks; i++) {
38 char sprintf_buffer[256];
41 sprintf(mailbox, "slave-%ld", i % slaves_count);
42 sprintf(sprintf_buffer, "Task_%d", i);
44 MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size,
46 if (number_of_tasks < 10000 || i % 10000 == 0)
47 INFO3("Sending \"%s\" (of %ld) to mailbox \"%s\"", task->name,
48 number_of_tasks, mailbox);
50 MSG_task_send(task, mailbox);
54 ("All tasks have been dispatched. Let's tell everybody the computation is over.");
55 for (i = 0; i < slaves_count; i++) {
58 sprintf(mailbox, "slave-%ld", i % slaves_count);
59 m_task_t finalize = MSG_task_create("finalize", 0, 0, 0);
60 MSG_task_send(finalize, mailbox);
63 // INFO0("Goodbye now!");
67 /** Receiver function */
68 int slave(int argc, char *argv[])
75 xbt_assert1(sscanf(argv[1], "%d", &id),
76 "Invalid argument %s\n", argv[1]);
78 sprintf(mailbox, "slave-%d", id);
81 res = MSG_task_receive(&(task), mailbox);
82 xbt_assert0(res == MSG_OK, "MSG_task_get failed");
84 // INFO1("Received \"%s\"", MSG_task_get_name(task));
85 if (!strcmp(MSG_task_get_name(task), "finalize")) {
86 MSG_task_destroy(task);
89 // INFO1("Processing \"%s\"", MSG_task_get_name(task));
90 MSG_task_execute(task);
91 // INFO1("\"%s\" done", MSG_task_get_name(task));
92 MSG_task_destroy(task);
95 INFO0("I'm done. See you!");
100 MSG_error_t test_all(const char *platform_file,
101 const char *application_file)
103 MSG_error_t res = MSG_OK;
105 /* MSG_config("workstation/model","KCCFLN05"); */
106 { /* Simulation setting */
107 MSG_set_channel_number(0);
108 MSG_create_environment(platform_file);
110 { /* Application deployment */
111 MSG_function_register("master", master);
112 MSG_function_register("slave", slave);
113 MSG_launch_application(application_file);
117 INFO1("Simulation time %g", MSG_get_clock());
119 } /* end_of_test_all */
123 int main(int argc, char *argv[])
125 MSG_error_t res = MSG_OK;
127 MSG_global_init(&argc, argv);
129 printf("Usage: %s platform_file deployment_file\n", argv[0]);
130 printf("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
133 res = test_all(argv[1], argv[2]);