+++ /dev/null
-/* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include "simgrid/msg.h"
-
-#include <stdio.h> /* sprintf */
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
-
-#define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
-
-/** Master expects 3+ arguments given in the XML deployment file: */
-static int master(int argc, char* argv[])
-{
- long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s"); /** - Number of tasks */
- double comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s"); /** - Task compute cost */
- double comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s"); /** - Task communication size */
-
- /* Create the tasks in advance */
- msg_task_t* todo = xbt_new0(msg_task_t, number_of_tasks);
-
- for (int i = 0; i < number_of_tasks; i++) {
- char sprintf_buffer[64];
- sprintf(sprintf_buffer, "Task_%d", i);
- todo[i] = MSG_task_create(sprintf_buffer, comp_size, comm_size, NULL);
- }
-
- /* Get the info about the worker processes from my parameters */
- int worker_count = argc - 4;
- msg_host_t* workers = xbt_new0(msg_host_t, worker_count);
-
- for (int i = 4; i < argc; i++) {
- workers[i - 4] = MSG_get_host_by_name(argv[i]);
- xbt_assert(workers[i - 4] != NULL, "Unknown host %s. Stopping Now! ", argv[i]);
- }
- XBT_INFO("Got %d workers and %ld tasks to process", worker_count, number_of_tasks);
-
- /* Dispatch the tasks */
- for (int i = 0; i < number_of_tasks; i++) {
- XBT_INFO("Sending '%s' to '%s'", todo[i]->name, MSG_host_get_name(workers[i % worker_count]));
- if (MSG_host_self() == workers[i % worker_count]) {
- XBT_INFO("Hey ! It's me ! :)");
- }
-
- MSG_task_send(todo[i], MSG_host_get_name(workers[i % worker_count]));
- XBT_INFO("Sent");
- }
-
- XBT_INFO("All tasks have been dispatched. Let's tell everybody the computation is over.");
- for (int i = 0; i < worker_count; i++) {
- msg_task_t finalize = MSG_task_create("finalize", 0, 0, FINALIZE);
- MSG_task_send(finalize, MSG_host_get_name(workers[i]));
- }
-
- XBT_INFO("Goodbye now!");
- free(workers);
- free(todo);
- return 0;
-}
-
-/** Worker does not expect any argument from XML deployment file. */
-static int worker(int argc, char* argv[])
-{
- while (1) {
- msg_task_t task = NULL;
- int res = MSG_task_receive(&(task), MSG_host_get_name(MSG_host_self()));
- xbt_assert(res == MSG_OK, "MSG_task_receive failed");
-
- XBT_INFO("Received '%s'", MSG_task_get_name(task));
- if (!strcmp(MSG_task_get_name(task), "finalize")) {
- MSG_task_destroy(task);
- break;
- }
-
- XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
- MSG_task_execute(task);
- XBT_INFO("'%s' done", MSG_task_get_name(task));
- MSG_task_destroy(task);
- }
- XBT_INFO("I'm done. See you!");
- return 0;
-} /* end_of_worker */
-
-/** Main function */
-int main(int argc, char* argv[])
-{
-
- MSG_init(&argc, argv);
- xbt_assert(argc > 2,
- "Usage: %s platform_file deployment_file\n"
- "\tExample: %s msg_platform.xml msg_deployment.xml\n",
- argv[0], argv[0]);
-
- /* Create a simulated platform */
- MSG_create_environment(argv[1]);
-
- /* Application deployment */
- MSG_function_register("master", master);
- MSG_function_register("worker", worker);
- MSG_launch_application(argv[2]);
-
- /* Run the simulation */
- msg_error_t res = MSG_main();
-
- XBT_INFO("Simulation time %g", MSG_get_clock());
- return (res != MSG_OK);
-} /* end_of_main */
