--- /dev/null
+/* Copyright (c) 2010-2016. 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_async_waitany, "Messages specific for this msg example");
+
+static int sender(int argc, char* argv[])
+{
+ xbt_assert(argc == 6, "This function expects 5 parameters from the XML deployment file");
+ 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 receivers_count = xbt_str_parse_int(argv[4], "Invalid amount of receivers: %s");
+ int diff_com = xbt_str_parse_int(argv[5], "Invalid value for diff_comm: %s");
+
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+ /* First pack the communications in the dynar */
+ for (int i = 0; i < number_of_tasks; i++) {
+ double coef = (diff_com == 0) ? 1 : (i + 1);
+
+ char mailbox[80];
+ char taskname[80];
+ snprintf(mailbox, 79, "receiver-%ld", (i % receivers_count));
+ snprintf(taskname, 79, "Task_%d", i);
+ msg_task_t task = MSG_task_create(taskname, task_comp_size, task_comm_size / coef, NULL);
+ msg_comm_t comm = MSG_task_isend(task, mailbox);
+ xbt_dynar_push_as(comms, msg_comm_t, comm);
+ XBT_INFO("Send to receiver-%ld %s comm_size %f", i % receivers_count, taskname, task_comm_size / coef);
+ }
+
+ /* Here we are waiting for the completion of all communications */
+ while (xbt_dynar_is_empty(comms) == 0) {
+ msg_comm_t comm;
+ xbt_dynar_remove_at(comms, MSG_comm_waitany(comms), &comm);
+ MSG_comm_destroy(comm);
+ }
+ xbt_dynar_free(&comms);
+
+ /* Here we are waiting for the completion of all tasks */
+ for (int i = 0; i < receivers_count; i++) {
+ msg_task_t task = NULL;
+ msg_comm_t comm = MSG_task_irecv(&task, "finalize");
+ msg_error_t res_wait = MSG_comm_wait(comm, -1);
+ xbt_assert(res_wait == MSG_OK, "MSG_comm_wait failed");
+ MSG_comm_destroy(comm);
+ MSG_task_destroy(task);
+ }
+
+ XBT_INFO("Goodbye now!");
+ return 0;
+}
+
+static int receiver(int argc, char* argv[])
+{
+ xbt_assert(argc == 3, "This function expects 2 parameters from the XML deployment file");
+ int id = xbt_str_parse_int(argv[1], "ID should be numerical, not %s");
+ int task_amount = xbt_str_parse_int(argv[2], "Invalid amount of tasks: %s");
+ msg_task_t* tasks = xbt_new(msg_task_t, task_amount);
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+
+ char mailbox[80];
+ snprintf(mailbox, 79, "receiver-%d", id);
+
+ MSG_process_sleep(10);
+ for (int i = 0; i < task_amount; i++) {
+ XBT_INFO("Wait to receive task %d", i);
+ tasks[i] = NULL;
+ msg_comm_t comm = MSG_task_irecv(&tasks[i], mailbox);
+ xbt_dynar_push_as(comms, msg_comm_t, comm);
+ }
+
+ /* Here we are waiting for the receiving of all communications */
+ while (!xbt_dynar_is_empty(comms)) {
+ msg_comm_t comm;
+ // MSG_comm_waitany returns the rank of the comm that just ended. Remove it.
+ xbt_dynar_remove_at(comms, MSG_comm_waitany(comms), &comm);
+ msg_task_t task = MSG_comm_get_task(comm);
+ MSG_comm_destroy(comm);
+ XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
+ MSG_task_execute(task);
+ XBT_INFO("\"%s\" done", MSG_task_get_name(task));
+ msg_error_t err = MSG_task_destroy(task);
+ xbt_assert(err == MSG_OK, "MSG_task_destroy failed");
+ }
+ xbt_dynar_free(&comms);
+ xbt_free(tasks);
+
+ /* Here we tell to sender that all tasks are done */
+ MSG_task_send(MSG_task_create(NULL, 0, 0, NULL), "finalize");
+ 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("sender", sender);
+ MSG_function_register("receiver", receiver);
+ MSG_launch_application(argv[2]);
+
+ msg_error_t res = MSG_main();
+
+ XBT_INFO("Simulation time %g", MSG_get_clock());
+
+ return res != MSG_OK;
+}
