--- /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 sender(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 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");
+ double coef = 0;
+ xbt_dynar_t d = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+ int i;
+ msg_task_t task;
+ char mailbox[256];
+ char sprintf_buffer[256];
+ msg_comm_t comm;
+
+ for (i = 0; i < number_of_tasks; i++) {
+ if (diff_com == 0)
+ coef = 1;
+ else
+ coef = (i + 1);
+
+ sprintf(mailbox, "receiver-%ld", (i % receivers_count));
+ sprintf(sprintf_buffer, "Task_%d", i);
+ task = MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size / coef, NULL);
+ comm = MSG_task_isend(task, mailbox);
+ xbt_dynar_push_as(d, msg_comm_t, comm);
+ XBT_INFO("Send to receiver-%ld %s comm_size %f", i % receivers_count, sprintf_buffer, task_comm_size / coef);
+ }
+ /* Here we are waiting for the completion of all communications */
+
+ while (!xbt_dynar_is_empty(d)) {
+ xbt_dynar_remove_at(d, MSG_comm_waitany(d), &comm);
+ MSG_comm_destroy(comm);
+ }
+ xbt_dynar_free(&d);
+
+ /* Here we are waiting for the completion of all tasks */
+ sprintf(mailbox, "finalize");
+
+ msg_comm_t res_irecv;
+ XBT_ATTRIB_UNUSED msg_error_t res_wait;
+ for (i = 0; i < receivers_count; i++) {
+ task = NULL;
+ res_irecv = MSG_task_irecv(&(task), mailbox);
+ res_wait = MSG_comm_wait(res_irecv, -1);
+ xbt_assert(res_wait == MSG_OK, "MSG_comm_wait failed");
+ MSG_comm_destroy(res_irecv);
+ MSG_task_destroy(task);
+ }
+
+ XBT_INFO("Goodbye now!");
+ return 0;
+}
+
+static int receiver(int argc, char *argv[])
+{
+ int id = -1;
+ char mailbox[80];
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+ int tasks = xbt_str_parse_int(argv[2], "Invalid amount of tasks: %s");
+ msg_task_t *task = xbt_new(msg_task_t, tasks);
+
+ XBT_ATTRIB_UNUSED int read;
+ read = sscanf(argv[1], "%d", &id);
+ xbt_assert(read, "Invalid argument %s\n", argv[1]);
+ sprintf(mailbox, "receiver-%d", id);
+ MSG_process_sleep(10);
+ msg_comm_t res_irecv;
+ for (int i = 0; i < tasks; i++) {
+ XBT_INFO("Wait to receive task %d", i);
+ task[i] = NULL;
+ res_irecv = MSG_task_irecv(&task[i], mailbox);
+ xbt_dynar_push_as(comms, msg_comm_t, res_irecv);
+ }
+
+ /* Here we are waiting for the receiving of all communications */
+ msg_task_t task_com;
+ while (!xbt_dynar_is_empty(comms)) {
+ XBT_ATTRIB_UNUSED msg_error_t err;
+ xbt_dynar_remove_at(comms, MSG_comm_waitany(comms), &res_irecv);
+ task_com = MSG_comm_get_task(res_irecv);
+ MSG_comm_destroy(res_irecv);
+ XBT_INFO("Processing \"%s\"", MSG_task_get_name(task_com));
+ MSG_task_execute(task_com);
+ XBT_INFO("\"%s\" done", MSG_task_get_name(task_com));
+ err = MSG_task_destroy(task_com);
+ xbt_assert(err == MSG_OK, "MSG_task_destroy failed");
+ }
+ xbt_dynar_free(&comms);
+ xbt_free(task);
+
+ /* Here we tell to sender that all tasks are done */
+ sprintf(mailbox, "finalize");
+ res_irecv = MSG_task_isend(MSG_task_create(NULL, 0, 0, NULL), mailbox);
+ MSG_comm_wait(res_irecv, -1);
+ MSG_comm_destroy(res_irecv);
+ XBT_INFO("I'm done. See you!");
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ msg_error_t res = MSG_OK;
+
+ 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]);
+
+ res = MSG_main();
+
+ XBT_INFO("Simulation time %g", MSG_get_clock());
+
+ return res != MSG_OK;
+}
