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");
67 for (i = 0; i < receivers_count; i++) {
69 res_irecv = MSG_task_irecv(&(task), mailbox);
70 xbt_assert0(MSG_comm_wait(res_irecv, -1) == MSG_OK,
71 "MSG_comm_wait failed");
72 MSG_comm_destroy(res_irecv);
73 MSG_task_destroy(task);
76 INFO0("Goodbye now!");
80 /** Receiver function */
81 int receiver(int argc, char *argv[])
86 xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
87 int tasks = atof(argv[2]);
88 m_task_t *task = xbt_new(m_task_t, tasks);
90 xbt_assert1(sscanf(argv[1], "%d", &id),
91 "Invalid argument %s\n", argv[1]);
92 sprintf(mailbox, "receiver-%d", id);
93 MSG_process_sleep(10);
95 for (i = 0; i < tasks; i++) {
96 INFO1("Wait to receive task %d", i);
98 res_irecv = MSG_task_irecv(&task[i], mailbox);
99 xbt_dynar_push_as(comms, msg_comm_t, res_irecv);
102 /* Here we are waiting for the receiving of all communications */
104 while (!xbt_dynar_is_empty(comms)) {
106 xbt_dynar_remove_at(comms, MSG_comm_waitany(comms), &res_irecv);
107 task_com = MSG_comm_get_task(res_irecv);
108 MSG_comm_destroy(res_irecv);
109 INFO1("Processing \"%s\"", MSG_task_get_name(task_com));
110 MSG_task_execute(task_com);
111 INFO1("\"%s\" done", MSG_task_get_name(task_com));
112 err = MSG_task_destroy(task_com);
113 xbt_assert0(err == MSG_OK, "MSG_task_destroy failed");
115 xbt_dynar_free(&comms);
118 /* Here we tell to sender that all tasks are done */
119 sprintf(mailbox, "finalize");
120 res_irecv = MSG_task_isend(MSG_task_create(NULL, 0, 0, NULL), mailbox);
121 MSG_comm_wait(res_irecv, -1);
122 MSG_comm_destroy(res_irecv);
123 INFO0("I'm done. See you!");
125 } /* end_of_receiver */
128 MSG_error_t test_all(const char *platform_file,
129 const char *application_file)
131 MSG_error_t res = MSG_OK;
133 /* MSG_config("workstation/model","KCCFLN05"); */
134 { /* Simulation setting */
135 MSG_set_channel_number(0);
136 MSG_create_environment(platform_file);
138 { /* Application deployment */
139 MSG_function_register("sender", sender);
140 MSG_function_register("receiver", receiver);
141 MSG_launch_application(application_file);
145 INFO1("Simulation time %g", MSG_get_clock());
147 } /* end_of_test_all */
151 int main(int argc, char *argv[])
153 MSG_error_t res = MSG_OK;
155 MSG_global_init(&argc, argv);
157 printf("Usage: %s platform_file deployment_file\n", argv[0]);
158 printf("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
161 res = test_all(argv[1], argv[2]);