1 /* Copyright (c) 2010-2016. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/msg.h"
8 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_async_waitall, "Messages specific for this msg example");
10 static int sender(int argc, char *argv[])
12 xbt_assert(argc==5,"This function expects 4 parameters from the XML deployment file");
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");
18 msg_comm_t *comm = xbt_new(msg_comm_t, number_of_tasks + receivers_count);
19 for (int i = 0; i < number_of_tasks; i++) {
22 snprintf(mailbox,79, "receiver-%ld", i % receivers_count);
23 snprintf(taskname,79, "Task_%d", i);
24 msg_task_t task = MSG_task_create(taskname, task_comp_size, task_comm_size, NULL);
25 comm[i] = MSG_task_isend(task, mailbox);
26 XBT_INFO("Send to receiver-%ld Task_%d", i % receivers_count, i);
28 for (int i = 0; i < receivers_count; i++) {
30 snprintf(mailbox,79, "receiver-%ld", i % receivers_count);
31 msg_task_t task = MSG_task_create("finalize", 0, 0, 0);
32 comm[i + number_of_tasks] = MSG_task_isend(task, mailbox);
33 XBT_INFO("Send to receiver-%ld finalize", i % receivers_count);
36 /* Here we are waiting for the completion of all communications */
37 MSG_comm_waitall(comm, (number_of_tasks + receivers_count), -1);
38 for (int i = 0; i < number_of_tasks + receivers_count; i++)
39 MSG_comm_destroy(comm[i]);
41 XBT_INFO("Goodbye now!");
46 static int receiver(int argc, char *argv[])
48 xbt_assert(argc==2,"This function expects 1 parameter from the XML deployment file");
49 int id = xbt_str_parse_int(argv[1], "Any process of this example must have a numerical name, not %s");
52 snprintf(mailbox,79, "receiver-%d", id);
54 MSG_process_sleep(10);
56 XBT_INFO("Wait to receive a task");
57 msg_task_t task = NULL;
58 msg_comm_t comm = MSG_task_irecv(&task, mailbox);
59 msg_error_t res = MSG_comm_wait(comm, -1);
60 xbt_assert(res == MSG_OK, "MSG_task_get failed");
61 MSG_comm_destroy(comm);
62 XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
63 if (strcmp(MSG_task_get_name(task), "finalize") == 0) {
64 MSG_task_destroy(task);
68 XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
69 MSG_task_execute(task);
70 XBT_INFO("\"%s\" done", MSG_task_get_name(task));
71 MSG_task_destroy(task);
73 XBT_INFO("I'm done. See you!");
77 int main(int argc, char *argv[])
79 MSG_init(&argc, argv);
80 xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
81 "\tExample: %s msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
83 MSG_create_environment(argv[1]);
84 MSG_function_register("sender", sender);
85 MSG_function_register("receiver", receiver);
86 MSG_launch_application(argv[2]);
88 msg_error_t res = MSG_main();
90 XBT_INFO("Simulation time %g", MSG_get_clock());