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]);
36 char sprintf_buffer[256];
37 d = xbt_dynar_new(sizeof(msg_comm_t), NULL);
38 msg_comm_t *comm = xbt_new(msg_comm_t, number_of_tasks + receivers_count);
39 msg_comm_t res_irecv = NULL;
40 for (i = 0; i < (number_of_tasks); i++) {
47 sprintf(mailbox, "receiver-%ld", (i % receivers_count));
48 sprintf(sprintf_buffer, "Task_%d", i);
50 MSG_task_create(sprintf_buffer, task_comp_size,
51 task_comm_size / coef, NULL);
52 comm[i] = MSG_task_isend(task, mailbox);
53 xbt_dynar_push_as(d, msg_comm_t, comm[i]);
54 INFO3("Send to receiver-%ld %s comm_size %f", i % receivers_count,
55 sprintf_buffer, task_comm_size / coef);
57 /* Here we are waiting for the completion of all communications */
60 xbt_dynar_remove_at(d, MSG_comm_waitany(d), &res_irecv);
61 MSG_comm_destroy(res_irecv);
66 /* Here we are waiting for the completion of all tasks */
67 sprintf(mailbox, "finalize");
69 for (i = 0; i < receivers_count; i++) {
72 res_irecv = MSG_task_irecv(&(task), mailbox);
73 xbt_assert0(MSG_comm_wait(res_irecv, -1) == MSG_OK,
74 "MSG_comm_wait failed");
75 MSG_task_destroy(task);
78 INFO0("Goodbye now!");
82 /** Receiver function */
83 int receiver(int argc, char *argv[])
88 xbt_dynar_t comms = NULL;
89 int tasks = atof(argv[2]);
90 comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
92 xbt_assert1(sscanf(argv[1], "%d", &id),
93 "Invalid argument %s\n", argv[1]);
94 sprintf(mailbox, "receiver-%d", id);
95 MSG_process_sleep(10);
96 msg_comm_t res_irecv = NULL;
98 m_task_t task_com = NULL;
99 for (i = 0; i < tasks; i++) {
100 INFO1("Wait to receive task %d", i);
101 res_irecv = MSG_task_irecv(&task, mailbox);
102 xbt_dynar_push_as(comms, msg_comm_t, res_irecv);
107 /* Here we are waiting for the receiving of all communications */
108 while (comms->used) {
111 MSG_error_t err = MSG_OK;
112 int num = MSG_comm_waitany(comms);
113 xbt_dynar_remove_at(comms, num, &res_irecv);
114 task_com = MSG_comm_get_task(res_irecv);
115 MSG_comm_destroy(res_irecv);
116 INFO1("Processing \"%s\"", MSG_task_get_name(task_com));
117 MSG_task_execute(task_com);
118 INFO1("\"%s\" done", MSG_task_get_name(task_com));
119 err = MSG_task_destroy(task_com);
120 xbt_assert0(err == MSG_OK, "MSG_task_destroy failed");
122 xbt_dynar_free(&comms);
124 /* Here we tell to sender that all tasks are done */
125 sprintf(mailbox, "finalize");
126 res_irecv = MSG_task_isend(MSG_task_create(NULL, 0, 0, NULL), mailbox);
127 MSG_comm_wait(res_irecv, -1);
128 INFO0("I'm done. See you!");
130 } /* end_of_receiver */
133 MSG_error_t test_all(const char *platform_file,
134 const char *application_file)
136 MSG_error_t res = MSG_OK;
138 /* MSG_config("workstation/model","KCCFLN05"); */
139 { /* Simulation setting */
140 MSG_set_channel_number(0);
141 MSG_create_environment(platform_file);
143 { /* Application deployment */
144 MSG_function_register("sender", sender);
145 MSG_function_register("receiver", receiver);
146 MSG_launch_application(application_file);
150 INFO1("Simulation time %g", MSG_get_clock());
152 } /* end_of_test_all */
156 int main(int argc, char *argv[])
158 MSG_error_t res = MSG_OK;
160 MSG_global_init(&argc, argv);
162 printf("Usage: %s platform_file deployment_file\n", argv[0]);
163 printf("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
166 res = test_all(argv[1], argv[2]);
167 SIMIX_message_sizes_output("toto.txt");