--- /dev/null
+/* Copyright (c) 2010-2015. 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"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
+
+static int master(int argc, char *argv[])
+{
+ long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s");
+ double task_comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s");
+ double task_comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s");
+ long workers_count = xbt_str_parse_int(argv[4], "Invalid amount of workers: %s");
+
+ int i;
+
+ XBT_INFO("Got %ld workers and %ld tasks to process", workers_count, number_of_tasks);
+
+ for (i = 0; i < number_of_tasks; i++) {
+ char mailbox[256];
+ char sprintf_buffer[256];
+ msg_task_t task = NULL;
+
+ sprintf(mailbox, "worker-%ld", i % workers_count);
+ sprintf(sprintf_buffer, "Task_%d", i);
+ task = MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size, NULL);
+ if (number_of_tasks < 10000 || i % 10000 == 0)
+ XBT_INFO("Sending \"%s\" (of %ld) to mailbox \"%s\"", task->name, number_of_tasks, mailbox);
+
+ MSG_task_send(task, mailbox);
+ }
+
+ XBT_INFO("All tasks have been dispatched. Let's tell everybody the computation is over.");
+ for (i = 0; i < workers_count; i++) {
+ char mailbox[80];
+
+ sprintf(mailbox, "worker-%ld", i % workers_count);
+ msg_task_t finalize = MSG_task_create("finalize", 0, 0, 0);
+ MSG_task_send(finalize, mailbox);
+ }
+
+ return 0;
+}
+
+static int worker(int argc, char *argv[])
+{
+ msg_task_t task = NULL;
+ char mailbox[80];
+
+ long id= xbt_str_parse_int(argv[1], "Invalid argument %s");
+
+ sprintf(mailbox, "worker-%ld", id);
+
+ while (1) {
+ int res = MSG_task_receive(&(task), mailbox);
+ xbt_assert(res == MSG_OK, "MSG_task_get 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);
+ task = NULL;
+ }
+ XBT_INFO("I'm done. See you!");
+ return 0;
+}
+
+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]);
+
+ MSG_create_environment(argv[1]);
+
+ MSG_function_register("master", master);
+ MSG_function_register("worker", worker);
+ MSG_launch_application(argv[2]);
+
+ msg_error_t res = MSG_main();
+
+ XBT_INFO("Simulation time %g", MSG_get_clock());
+
+ return res != MSG_OK;
+}