1 /* Copyright (c) 2010-2015. 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. */
7 #include "simgrid/msg.h"
9 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
11 static int sender(int argc, char *argv[])
13 long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s");
14 double task_comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s");
15 double task_comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s");
16 long receivers_count = xbt_str_parse_int(argv[4], "Invalid amount of receivers: %s");
17 int diff_com = xbt_str_parse_int(argv[5], "Invalid value for diff_comm: %s");
19 xbt_dynar_t d = xbt_dynar_new(sizeof(msg_comm_t), NULL);
23 char sprintf_buffer[256];
26 for (i = 0; i < number_of_tasks; i++) {
32 sprintf(mailbox, "receiver-%ld", (i % receivers_count));
33 sprintf(sprintf_buffer, "Task_%d", i);
34 task = MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size / coef, NULL);
35 comm = MSG_task_isend(task, mailbox);
36 xbt_dynar_push_as(d, msg_comm_t, comm);
37 XBT_INFO("Send to receiver-%ld %s comm_size %f", i % receivers_count, sprintf_buffer, task_comm_size / coef);
39 /* Here we are waiting for the completion of all communications */
41 while (!xbt_dynar_is_empty(d)) {
42 xbt_dynar_remove_at(d, MSG_comm_waitany(d), &comm);
43 MSG_comm_destroy(comm);
47 /* Here we are waiting for the completion of all tasks */
48 sprintf(mailbox, "finalize");
51 XBT_ATTRIB_UNUSED msg_error_t res_wait;
52 for (i = 0; i < receivers_count; i++) {
54 res_irecv = MSG_task_irecv(&(task), mailbox);
55 res_wait = MSG_comm_wait(res_irecv, -1);
56 xbt_assert(res_wait == MSG_OK, "MSG_comm_wait failed");
57 MSG_comm_destroy(res_irecv);
58 MSG_task_destroy(task);
61 XBT_INFO("Goodbye now!");
65 static int receiver(int argc, char *argv[])
69 xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
70 int tasks = xbt_str_parse_int(argv[2], "Invalid amount of tasks: %s");
71 msg_task_t *task = xbt_new(msg_task_t, tasks);
73 XBT_ATTRIB_UNUSED int read;
74 read = sscanf(argv[1], "%d", &id);
75 xbt_assert(read, "Invalid argument %s\n", argv[1]);
76 sprintf(mailbox, "receiver-%d", id);
77 MSG_process_sleep(10);
79 for (int i = 0; i < tasks; i++) {
80 XBT_INFO("Wait to receive task %d", i);
82 res_irecv = MSG_task_irecv(&task[i], mailbox);
83 xbt_dynar_push_as(comms, msg_comm_t, res_irecv);
86 /* Here we are waiting for the receiving of all communications */
88 while (!xbt_dynar_is_empty(comms)) {
89 XBT_ATTRIB_UNUSED msg_error_t err;
90 xbt_dynar_remove_at(comms, MSG_comm_waitany(comms), &res_irecv);
91 task_com = MSG_comm_get_task(res_irecv);
92 MSG_comm_destroy(res_irecv);
93 XBT_INFO("Processing \"%s\"", MSG_task_get_name(task_com));
94 MSG_task_execute(task_com);
95 XBT_INFO("\"%s\" done", MSG_task_get_name(task_com));
96 err = MSG_task_destroy(task_com);
97 xbt_assert(err == MSG_OK, "MSG_task_destroy failed");
99 xbt_dynar_free(&comms);
102 /* Here we tell to sender that all tasks are done */
103 sprintf(mailbox, "finalize");
104 res_irecv = MSG_task_isend(MSG_task_create(NULL, 0, 0, NULL), mailbox);
105 MSG_comm_wait(res_irecv, -1);
106 MSG_comm_destroy(res_irecv);
107 XBT_INFO("I'm done. See you!");
111 int main(int argc, char *argv[])
113 msg_error_t res = MSG_OK;
115 MSG_init(&argc, argv);
116 xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
117 "\tExample: %s msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
119 MSG_create_environment(argv[1]);
121 MSG_function_register("sender", sender);
122 MSG_function_register("receiver", receiver);
123 MSG_launch_application(argv[2]);
127 XBT_INFO("Simulation time %g", MSG_get_clock());
129 return res != MSG_OK;