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)
18 MSG_task_destroy(static_cast<msg_task_t>(task));
21 static int process_daemon(int /*argc*/, char** /*argv*/)
23 msg_process_t self = MSG_process_self();
24 XBT_INFO(" Start daemon on %s (%f)", MSG_host_get_name(MSG_host_self()), MSG_host_get_speed(MSG_host_self()));
26 msg_task_t task = MSG_task_create("daemon", MSG_host_get_speed(MSG_host_self()), 0, NULL);
27 MSG_process_set_data(self, task);
28 XBT_INFO(" Execute daemon");
29 MSG_task_execute(task);
30 MSG_task_destroy(task);
33 XBT_INFO(" daemon done. See you!");
37 static int commTX(int /*argc*/, char** /*argv*/)
39 const char* mailbox = "comm";
40 XBT_INFO(" Start TX");
41 msg_task_t task = MSG_task_create("COMM", 0, 100000000, NULL);
42 MSG_task_dsend(task, mailbox, task_cleanup_handler);
43 // We should wait a bit (if not the process will end before the communication, hence an exception on the other side).
44 int res = MSG_process_sleep(30);
45 if (res == MSG_HOST_FAILURE) {
46 XBT_INFO("The host has died ... as expected.");
52 static int commRX(int /*argc*/, char** /*argv*/)
54 msg_task_t task = NULL;
55 const char* mailbox = "comm";
56 XBT_INFO(" Start RX");
57 msg_error_t error = MSG_task_receive(&(task), mailbox);
58 if (error == MSG_OK) {
59 XBT_INFO(" Receive message: %s", MSG_task_get_name(task));
60 MSG_task_destroy(task);
61 } else if (error == MSG_HOST_FAILURE) {
62 XBT_INFO(" Receive message: HOST_FAILURE");
63 } else if (error == MSG_TRANSFER_FAILURE) {
64 XBT_INFO(" Receive message: TRANSFER_FAILURE");
66 XBT_INFO(" Receive message: %u", static_cast<unsigned int>(error));
72 static int test_launcher(int /*argc*/, char** /*argv*/)
76 msg_host_t jupiter = MSG_host_by_name("Jupiter");
79 // Create a process running a simple task on a host and turn the host off during the execution of the process.
80 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
82 XBT_INFO(" Create a process on Jupiter");
83 argvF = xbt_new(char*, 2);
84 argvF[0] = xbt_strdup("process_daemon");
85 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
87 XBT_INFO(" Turn off Jupiter");
88 MSG_host_off(jupiter);
89 MSG_process_sleep(10);
90 XBT_INFO("Test 1 seems ok, cool !(#Processes: %d, it should be 1; #tasks: %d)", MSG_process_get_number(),
95 // Create a process that on a host that is turned off (this is not allowed)
96 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
98 XBT_INFO(" Turn off Jupiter");
99 // adsein: Jupiter is already, hence nothing should happen
100 // adsein: This can be one additional test, to check that you cannot shutdown twice a host
101 MSG_host_off(jupiter);
102 argvF = xbt_new(char*, 2);
103 argvF[0] = xbt_strdup("process_daemon");
104 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
105 MSG_process_sleep(10);
106 XBT_INFO(" Test 2 does crash as it should. This message will not be displayed.");
110 // Create a process running successive sleeps on a host and turn the host off during the execution of the process.
111 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
112 xbt_die("Test 3 is superseeded by activity-lifecycle");
116 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
117 XBT_INFO("Test 4 (turn off src during a communication) : Create a Process/task to make a communication between "
118 "Jupiter and Tremblay and turn off Jupiter during the communication");
119 MSG_host_on(jupiter);
120 MSG_process_sleep(10);
121 argvF = xbt_new(char*, 2);
122 argvF[0] = xbt_strdup("commRX");
123 MSG_process_create_with_arguments("commRX", commRX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
124 argvF = xbt_new(char*, 2);
125 argvF[0] = xbt_strdup("commTX");
126 MSG_process_create_with_arguments("commTX", commTX, NULL, jupiter, 1, argvF);
127 XBT_INFO(" number of processes: %d", MSG_process_get_number());
128 MSG_process_sleep(10);
129 XBT_INFO(" Turn Jupiter off");
130 MSG_host_off(jupiter);
131 XBT_INFO("Test 4 is ok. (number of Process : %d, it should be 1 or 2 if RX has not been satisfied)."
132 " An exception is raised when we turn off a node that has a process sleeping",
133 MSG_process_get_number());
137 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
138 XBT_INFO("Test 5 (turn off dest during a communication : Create a Process/task to make a communication between "
139 "Tremblay and Jupiter and turn off Jupiter during the communication");
140 MSG_host_on(jupiter);
141 MSG_process_sleep(10);
142 argvF = xbt_new(char*, 2);
143 argvF[0] = xbt_strdup("commRX");
144 MSG_process_create_with_arguments("commRX", commRX, NULL, jupiter, 1, argvF);
145 argvF = xbt_new(char*, 2);
146 argvF[0] = xbt_strdup("commTX");
147 MSG_process_create_with_arguments("commTX", commTX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
148 XBT_INFO(" number of processes: %d", MSG_process_get_number());
149 MSG_process_sleep(10);
150 XBT_INFO(" Turn Jupiter off");
151 MSG_host_off(jupiter);
152 XBT_INFO("Test 5 seems ok (number of Process: %d, it should be 2)", MSG_process_get_number());
156 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
157 XBT_INFO("Test 6: Turn on Jupiter, assign a VM on Jupiter, launch a process inside the VM, and turn off the node");
160 msg_vm_t vm0 = MSG_vm_create_core(jupiter, "vm0");
163 argvF = xbt_new(char*, 2);
164 argvF[0] = xbt_strdup("process_daemon");
165 msg_process_t daemon =
166 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, (msg_host_t)vm0, 1, argvF);
168 argvF = xbt_new(char*, 2);
169 argvF[0] = xbt_strdup("process_daemonJUPI");
170 MSG_process_create_with_arguments("process_daemonJUPI", process_daemon, NULL, jupiter, 1, argvF);
172 MSG_process_suspend(daemon);
173 MSG_vm_set_bound(vm0, 90);
174 MSG_process_resume(daemon);
176 MSG_process_sleep(10);
178 XBT_INFO(" Turn Jupiter off");
179 MSG_host_off(jupiter);
180 XBT_INFO(" Shutdown vm0");
181 MSG_vm_shutdown(vm0);
182 XBT_INFO(" Destroy vm0");
184 XBT_INFO("Test 6 is also weird: when the node Jupiter is turned off once again, the VM and its daemon are not "
185 "killed. However, the issue regarding the shutdown of hosted VMs can be seen a feature not a bug ;)");
188 XBT_INFO(" Test done. See you!");
192 int main(int argc, char* argv[])
196 MSG_init(&argc, argv);
197 xbt_assert(argc == 3, "Usage: %s platform_file test_number\n\tExample: %s msg_platform.xml 1\n", argv[0], argv[0]);
201 xbt_dynar_t s_tests = xbt_str_split(argv[2], ",");
203 tests = xbt_dynar_new(sizeof(int), NULL);
204 xbt_dynar_foreach (s_tests, iter, groups) {
205 sscanf(xbt_dynar_get_as(s_tests, iter, char*), "%d", &tmp_test);
206 xbt_dynar_set_as(tests, iter, int, tmp_test);
208 xbt_dynar_free(&s_tests);
210 MSG_create_environment(argv[1]);
212 MSG_process_set_data_cleanup(task_cleanup_handler);
213 MSG_process_create("test_launcher", test_launcher, NULL, MSG_get_host_by_name("Tremblay"));
217 XBT_INFO("Simulation time %g", MSG_get_clock());
218 xbt_dynar_free(&tests);
220 return res != MSG_OK;