+/* Copyright (c) 2010-2017. 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 <xbt/ex.hpp>
+#include "simgrid/msg.h"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
+
+static std::vector<msg_task_t> tasks = std::vector<msg_task_t>();
+
+static int seq_task(int /*argc*/, char* /*argv*/ [])
+{
+ double task_comp_size = 5E7;
+ double task_comm_size = 1E6;
+ double progress = 0;
+
+ msg_task_t task = MSG_task_create("simple", task_comp_size, task_comm_size, NULL);
+ tasks.push_back(task);
+
+ XBT_INFO("get the progress of %s before the task starts", task->name);
+ progress = MSG_task_get_remaining_work_ratio(task);
+ xbt_assert(progress == 0, "Progress should be 0 not %f", progress);
+
+ XBT_INFO("Executing task: \"%s\"", task->name);
+ MSG_task_execute(task);
+
+ XBT_INFO("get the progress of %s after the task finishes", task->name);
+ progress = MSG_task_get_remaining_work_ratio(task);
+ xbt_assert(progress == 0, "Progress should be equal to 1 not %f", progress);
+
+ XBT_INFO("Goodbye now!");
+ return 0;
+}
+
+static int par_task(int /*argc*/, char* /*argv*/ [])
+{
+ int nb_res = 2;
+ //double * computation_amount = xbt_new(double, nb_res);
+ double * computation_amount = new double[2] {10E7, 10E7};
+ //double * communication_amount = xbt_new(double, nb_res);
+ double * communication_amount = new double[4] {1E6, 1E6, 1E6, 1E6};
+ double progress = 0;
+
+ std::vector<msg_host_t> hosts_to_use = std::vector<msg_host_t>();
+ hosts_to_use.push_back(MSG_get_host_by_name("Tremblay"));
+ hosts_to_use.push_back(MSG_get_host_by_name("Jupiter"));
+
+ msg_task_t task = MSG_parallel_task_create("ptask", 2, hosts_to_use.data(), computation_amount, communication_amount, NULL);
+ tasks.push_back(task);
+
+ XBT_INFO("get the progress of %s before the task starts", task->name);
+ progress = MSG_task_get_remaining_work_ratio(task);
+ xbt_assert(progress == 0, "Progress should be 0 not %f", progress);
+
+ XBT_INFO("Executing task: \"%s\"", task->name);
+ MSG_parallel_task_execute(task);
+
+ XBT_INFO("get the progress of %s after the task finishes", task->name);
+ progress = MSG_task_get_remaining_work_ratio(task);
+ xbt_assert(progress == 0, "Progress should be equal to 1 not %f", progress);
+
+ XBT_INFO("Goodbye now!");
+ return 0;
+}
+
+static int get_progress(int /*argc*/, char* /*argv*/ [])
+{
+ while (tasks.empty()) {
+ MSG_process_sleep(0.5);
+ }
+ for(auto const& task: tasks) {
+ double progress;
+ double progress_prev = 1;
+ for (int i = 0; i < 3; i++) {
+ MSG_process_sleep(0.2);
+ progress = MSG_task_get_remaining_work_ratio(task);
+ xbt_assert(progress >= 0 and progress < 1, "Progress should be in [0, 1[, and not %f", progress);
+ xbt_assert(progress < progress_prev, "Progress should decrease, not increase");
+ XBT_INFO("Progress of \"%s\": %f", task->name, progress);
+ progress_prev = progress;
+ }
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ MSG_init(&argc, argv);
+ MSG_config("host/model", "ptask_L07");
+ xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s ../examples/platforms/two_hosts.xml\n", argv[0], argv[0]);
+
+ MSG_create_environment(argv[1]);
+
+ MSG_process_create("sequential", seq_task, NULL, MSG_get_host_by_name("Tremblay"));
+
+ MSG_process_create("parallel", par_task, NULL, MSG_get_host_by_name("Tremblay"));
+
+ // Create a process to test in progress task
+ MSG_process_create("get_progress", get_progress, NULL, MSG_get_host_by_name("Tremblay"));
+
+ msg_error_t res = MSG_main();
+
+ XBT_INFO("Simulation time %g", MSG_get_clock());
+
+ return res != MSG_OK;
+}
