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 sender(int argc, char *argv[]);
18 int receiver(int argc, char *argv[]);
20 MSG_error_t test_all(const char *platform_file,
21 const char *application_file);
23 /** Sender function */
24 int sender(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 receivers_count = atol(argv[4]);
30 int diff_com = atol(argv[5]);
32 xbt_dynar_t d = xbt_dynar_new(sizeof(msg_comm_t), NULL);
36 char sprintf_buffer[256];
39 for (i = 0; i < number_of_tasks; i++) {
45 sprintf(mailbox, "receiver-%ld", (i % receivers_count));
46 sprintf(sprintf_buffer, "Task_%d", i);
48 MSG_task_create(sprintf_buffer, task_comp_size,
49 task_comm_size / coef, NULL);
50 comm = MSG_task_isend(task, mailbox);
51 xbt_dynar_push_as(d, msg_comm_t, comm);
52 INFO3("Send to receiver-%ld %s comm_size %f", i % receivers_count,
53 sprintf_buffer, task_comm_size / coef);
55 /* Here we are waiting for the completion of all communications */
57 while (!xbt_dynar_is_empty(d)) {
58 xbt_dynar_remove_at(d, MSG_comm_waitany(d), &comm);
59 MSG_comm_destroy(comm);
63 /* Here we are waiting for the completion of all tasks */
64 sprintf(mailbox, "finalize");
68 for (i = 0; i < receivers_count; i++) {
70 res_irecv = MSG_task_irecv(&(task), mailbox);
71 res_wait = MSG_comm_wait(res_irecv, -1);
72 xbt_assert0(res_wait == MSG_OK, "MSG_comm_wait failed");
73 MSG_comm_destroy(res_irecv);
74 MSG_task_destroy(task);
77 INFO0("Goodbye now!");
81 /** Receiver function */
82 int receiver(int argc, char *argv[])
87 xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
88 int tasks = atof(argv[2]);
89 m_task_t *task = xbt_new(m_task_t, tasks);
91 int read = sscanf(argv[1], "%d", &id);
92 xbt_assert1(read, "Invalid argument %s\n", argv[1]);
93 sprintf(mailbox, "receiver-%d", id);
94 MSG_process_sleep(10);
96 for (i = 0; i < tasks; i++) {
97 INFO1("Wait to receive task %d", i);
99 res_irecv = MSG_task_irecv(&task[i], mailbox);
100 xbt_dynar_push_as(comms, msg_comm_t, res_irecv);
103 /* Here we are waiting for the receiving of all communications */
105 while (!xbt_dynar_is_empty(comms)) {
107 xbt_dynar_remove_at(comms, MSG_comm_waitany(comms), &res_irecv);
108 task_com = MSG_comm_get_task(res_irecv);
109 MSG_comm_destroy(res_irecv);
110 INFO1("Processing \"%s\"", MSG_task_get_name(task_com));
111 MSG_task_execute(task_com);
112 INFO1("\"%s\" done", MSG_task_get_name(task_com));
113 err = MSG_task_destroy(task_com);
114 xbt_assert0(err == MSG_OK, "MSG_task_destroy failed");
116 xbt_dynar_free(&comms);
119 /* Here we tell to sender that all tasks are done */
120 sprintf(mailbox, "finalize");
121 res_irecv = MSG_task_isend(MSG_task_create(NULL, 0, 0, NULL), mailbox);
122 MSG_comm_wait(res_irecv, -1);
123 MSG_comm_destroy(res_irecv);
124 INFO0("I'm done. See you!");
126 } /* end_of_receiver */
129 MSG_error_t test_all(const char *platform_file,
130 const char *application_file)
132 MSG_error_t res = MSG_OK;
134 /* MSG_config("workstation/model","KCCFLN05"); */
135 { /* Simulation setting */
136 MSG_set_channel_number(0);
137 MSG_create_environment(platform_file);
139 { /* Application deployment */
140 MSG_function_register("sender", sender);
141 MSG_function_register("receiver", receiver);
142 MSG_launch_application(application_file);
146 INFO1("Simulation time %g", MSG_get_clock());
148 } /* end_of_test_all */
152 int main(int argc, char *argv[])
154 MSG_error_t res = MSG_OK;
156 MSG_global_init(&argc, argv);
158 printf("Usage: %s platform_file deployment_file\n", argv[0]);
159 printf("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
162 res = test_all(argv[1], argv[2]);