1 /* Copyright (c) 2010-2019. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/Exception.hpp"
7 #include "simgrid/msg.h"
9 #include <stdio.h> /* sscanf */
11 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
16 static void task_cleanup_handler(void* task)
19 MSG_task_destroy(static_cast<msg_task_t>(task));
22 static int process_daemon(int /*argc*/, char** /*argv*/)
24 msg_process_t self = MSG_process_self();
25 XBT_INFO(" Start daemon on %s (%f)", MSG_host_get_name(MSG_host_self()), MSG_host_get_speed(MSG_host_self()));
27 msg_task_t task = MSG_task_create("daemon", MSG_host_get_speed(MSG_host_self()), 0, NULL);
28 MSG_process_set_data(self, task);
29 XBT_INFO(" Execute daemon");
30 MSG_task_execute(task);
31 MSG_task_destroy(task);
34 XBT_INFO(" daemon done. See you!");
38 static int commTX(int /*argc*/, char** /*argv*/)
40 const char* mailbox = "comm";
41 XBT_INFO(" Start TX");
42 msg_task_t task = MSG_task_create("COMM", 0, 100000000, NULL);
43 MSG_task_dsend(task, mailbox, task_cleanup_handler);
44 // We should wait a bit (if not the process will end before the communication, hence an exception on the other side).
45 int res = MSG_process_sleep(30);
46 if (res == MSG_HOST_FAILURE) {
47 XBT_INFO("The host has died ... as expected.");
53 static int commRX(int /*argc*/, char** /*argv*/)
55 msg_task_t task = NULL;
56 const char* mailbox = "comm";
57 XBT_INFO(" Start RX");
58 msg_error_t error = MSG_task_receive(&(task), mailbox);
59 if (error == MSG_OK) {
60 XBT_INFO(" Receive message: %s", MSG_task_get_name(task));
61 MSG_task_destroy(task);
62 } else if (error == MSG_HOST_FAILURE) {
63 XBT_INFO(" Receive message: HOST_FAILURE");
64 } else if (error == MSG_TRANSFER_FAILURE) {
65 XBT_INFO(" Receive message: TRANSFER_FAILURE");
67 XBT_INFO(" Receive message: %u", static_cast<unsigned int>(error));
73 static int test_launcher(int /*argc*/, char** /*argv*/)
77 msg_host_t jupiter = MSG_host_by_name("Jupiter");
80 // Create a process running a simple task on a host and turn the host off during the execution of the process.
81 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
83 XBT_INFO(" Create a process on Jupiter");
84 argvF = xbt_new(char*, 2);
85 argvF[0] = xbt_strdup("process_daemon");
86 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
88 XBT_INFO(" Turn off Jupiter");
89 MSG_host_off(jupiter);
90 MSG_process_sleep(10);
91 XBT_INFO("Test 1 seems ok, cool !(#Processes: %d, it should be 1; #tasks: %d)", MSG_process_get_number(),
96 // Create a process that on a host that is turned off (this is not allowed)
97 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
99 XBT_INFO(" Turn off Jupiter");
100 // adsein: Jupiter is already, hence nothing should happen
101 // adsein: This can be one additional test, to check that you cannot shutdown twice a host
102 MSG_host_off(jupiter);
103 argvF = xbt_new(char*, 2);
104 argvF[0] = xbt_strdup("process_daemon");
105 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
106 MSG_process_sleep(10);
107 XBT_INFO(" Test 2 does crash as it should. This message will not be displayed.");
111 // Create a process running sucessive sleeps on a host and turn the host off during the execution of the process.
112 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
113 xbt_die("Test 3 is superseeded by activity-lifecycle");
117 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
118 XBT_INFO("Test 4 (turn off src during a communication) : Create a Process/task to make a communication between "
119 "Jupiter and Tremblay and turn off Jupiter during the communication");
120 MSG_host_on(jupiter);
121 MSG_process_sleep(10);
122 argvF = xbt_new(char*, 2);
123 argvF[0] = xbt_strdup("commRX");
124 MSG_process_create_with_arguments("commRX", commRX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
125 argvF = xbt_new(char*, 2);
126 argvF[0] = xbt_strdup("commTX");
127 MSG_process_create_with_arguments("commTX", commTX, NULL, jupiter, 1, argvF);
128 XBT_INFO(" number of processes: %d", MSG_process_get_number());
129 MSG_process_sleep(10);
130 XBT_INFO(" Turn Jupiter off");
131 MSG_host_off(jupiter);
132 XBT_INFO("Test 4 is ok. (number of Process : %d, it should be 1 or 2 if RX has not been satisfied)."
133 " An exception is raised when we turn off a node that has a process sleeping",
134 MSG_process_get_number());
138 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
139 XBT_INFO("Test 5 (turn off dest during a communication : Create a Process/task to make a communication between "
140 "Tremblay and Jupiter and turn off Jupiter during the communication");
141 MSG_host_on(jupiter);
142 MSG_process_sleep(10);
143 argvF = xbt_new(char*, 2);
144 argvF[0] = xbt_strdup("commRX");
145 MSG_process_create_with_arguments("commRX", commRX, NULL, jupiter, 1, argvF);
146 argvF = xbt_new(char*, 2);
147 argvF[0] = xbt_strdup("commTX");
148 MSG_process_create_with_arguments("commTX", commTX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
149 XBT_INFO(" number of processes: %d", MSG_process_get_number());
150 MSG_process_sleep(10);
151 XBT_INFO(" Turn Jupiter off");
152 MSG_host_off(jupiter);
153 XBT_INFO("Test 5 seems ok (number of Process: %d, it should be 2)", MSG_process_get_number());
157 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
158 XBT_INFO("Test 6: Turn on Jupiter, assign a VM on Jupiter, launch a process inside the VM, and turn off the node");
161 msg_vm_t vm0 = MSG_vm_create_core(jupiter, "vm0");
164 argvF = xbt_new(char*, 2);
165 argvF[0] = xbt_strdup("process_daemon");
166 msg_process_t daemon =
167 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, (msg_host_t)vm0, 1, argvF);
169 argvF = xbt_new(char*, 2);
170 argvF[0] = xbt_strdup("process_daemonJUPI");
171 MSG_process_create_with_arguments("process_daemonJUPI", process_daemon, NULL, jupiter, 1, argvF);
173 MSG_process_suspend(daemon);
174 MSG_vm_set_bound(vm0, 90);
175 MSG_process_resume(daemon);
177 MSG_process_sleep(10);
179 XBT_INFO(" Turn Jupiter off");
180 MSG_host_off(jupiter);
181 XBT_INFO(" Shutdown vm0");
182 MSG_vm_shutdown(vm0);
183 XBT_INFO(" Destroy vm0");
185 XBT_INFO("Test 6 is also weird: when the node Jupiter is turned off once again, the VM and its daemon are not "
186 "killed. However, the issue regarding the shutdown of hosted VMs can be seen a feature not a bug ;)");
189 XBT_INFO(" Test done. See you!");
193 int main(int argc, char* argv[])
197 MSG_init(&argc, argv);
198 xbt_assert(argc == 3, "Usage: %s platform_file test_number\n\tExample: %s msg_platform.xml 1\n", argv[0], argv[0]);
202 xbt_dynar_t s_tests = xbt_str_split(argv[2], ",");
204 tests = xbt_dynar_new(sizeof(int), NULL);
205 xbt_dynar_foreach (s_tests, iter, groups) {
206 sscanf(xbt_dynar_get_as(s_tests, iter, char*), "%d", &tmp_test);
207 xbt_dynar_set_as(tests, iter, int, tmp_test);
209 xbt_dynar_free(&s_tests);
211 MSG_create_environment(argv[1]);
213 MSG_process_set_data_cleanup(task_cleanup_handler);
214 MSG_process_create("test_launcher", test_launcher, NULL, MSG_get_host_by_name("Tremblay"));
218 XBT_INFO("Simulation time %g", MSG_get_clock());
219 xbt_dynar_free(&tests);
221 return res != MSG_OK;