1 /* Copyright (c) 2010-2018. 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_error_t res = MSG_task_execute(task);
31 MSG_task_destroy(task);
33 if (res == MSG_HOST_FAILURE) {
34 XBT_INFO("Host as died as expected, do nothing else");
38 XBT_INFO(" daemon done. See you!");
42 static int process_sleep(int /*argc*/, char** /*argv*/)
45 XBT_INFO(" I'm alive but I should sleep");
46 MSG_process_sleep(10);
48 XBT_INFO(" I'm done. See you!");
52 static int commTX(int /*argc*/, char** /*argv*/)
54 const char* mailbox = "comm";
55 XBT_INFO(" Start TX");
56 msg_task_t task = MSG_task_create("COMM", 0, 100000000, NULL);
57 MSG_task_dsend(task, mailbox, task_cleanup_handler);
58 // We should wait a bit (if not the process will end before the communication, hence an exception on the other side).
60 MSG_process_sleep(30);
61 } catch (simgrid::HostFailureException& e) {
62 XBT_INFO("The host has died ... as expected.");
68 static int commRX(int /*argc*/, char** /*argv*/)
70 msg_task_t task = NULL;
71 const char* mailbox = "comm";
72 XBT_INFO(" Start RX");
73 msg_error_t error = MSG_task_receive(&(task), mailbox);
74 if (error == MSG_OK) {
75 XBT_INFO(" Receive message: %s", task->name);
76 MSG_task_destroy(task);
77 } else if (error == MSG_HOST_FAILURE) {
78 XBT_INFO(" Receive message: HOST_FAILURE");
79 } else if (error == MSG_TRANSFER_FAILURE) {
80 XBT_INFO(" Receive message: TRANSFER_FAILURE");
82 XBT_INFO(" Receive message: %u", static_cast<unsigned int>(error));
88 static int test_launcher(int /*argc*/, char** /*argv*/)
92 msg_host_t jupiter = MSG_host_by_name("Jupiter");
95 // Create a process running a simple task on a host and turn the host off during the execution of the process.
96 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
98 XBT_INFO(" Create a process on Jupiter");
99 argvF = xbt_new(char*, 2);
100 argvF[0] = xbt_strdup("process_daemon");
101 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
102 MSG_process_sleep(3);
103 XBT_INFO(" Turn off Jupiter");
104 MSG_host_off(jupiter);
105 MSG_process_sleep(10);
106 XBT_INFO("Test 1 seems ok, cool !(#Processes: %d, it should be 1; #tasks: %d)", MSG_process_get_number(),
111 // Create a process that on a host that is turned off (this should not be possible)
112 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
114 XBT_INFO(" Turn off Jupiter");
115 // adsein: Jupiter is already, hence nothing should happen
116 // adsein: This can be one additional test, to check that you cannot shutdown twice a host
117 MSG_host_off(jupiter);
118 argvF = xbt_new(char*, 2);
119 argvF[0] = xbt_strdup("process_daemon");
120 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
121 MSG_process_sleep(10);
122 XBT_INFO(" Test 2 does not crash as it should (number of Process : %d, it should be 1)", MSG_process_get_number());
123 XBT_INFO(" Ok so let's turn on/off the node to see whether the process is correctly bound to Jupiter");
124 MSG_host_on(jupiter);
125 XBT_INFO(" Turn off");
126 MSG_host_off(jupiter);
128 MSG_process_sleep(10);
129 XBT_INFO("number of Process : %d it should be 1. The daemon that has been created for test2 has been correctly "
130 "destroyed....ok at least it looks rigorous, cool ! You just have to disallow the possibility to create "
131 "a new process on a node when the node is off.)",
132 MSG_process_get_number());
136 // Create a process running sucessive sleeps on a host and turn the host off during the execution of the process.
137 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
139 MSG_host_on(jupiter);
140 argvF = xbt_new(char*, 2);
141 argvF[0] = xbt_strdup("process_sleep");
142 MSG_process_create_with_arguments("process_sleep", process_sleep, NULL, jupiter, 1, argvF);
143 MSG_process_sleep(100);
144 XBT_INFO(" Turn off");
145 MSG_host_off(jupiter);
146 XBT_INFO(" sleep for 10 seconds");
147 MSG_process_sleep(10000);
148 XBT_INFO("number of Process : %d it should be 1 (i.e. the Test one))", MSG_process_get_number());
152 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
153 XBT_INFO("Test 4 (turn off src during a communication) : Create a Process/task to make a communication between "
154 "Jupiter and Tremblay and turn off Jupiter during the communication");
155 MSG_host_on(jupiter);
156 MSG_process_sleep(10);
157 argvF = xbt_new(char*, 2);
158 argvF[0] = xbt_strdup("commRX");
159 MSG_process_create_with_arguments("commRX", commRX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
160 argvF = xbt_new(char*, 2);
161 argvF[0] = xbt_strdup("commTX");
162 MSG_process_create_with_arguments("commTX", commTX, NULL, jupiter, 1, argvF);
163 XBT_INFO(" number of processes: %d", MSG_process_get_number());
164 MSG_process_sleep(10);
165 XBT_INFO(" Turn Jupiter off");
166 MSG_host_off(jupiter);
167 XBT_INFO("Test 4 is ok. (number of Process : %d, it should be 1 or 2 if RX has not been satisfied)."
168 " An exception is raised when we turn off a node that has a process sleeping",
169 MSG_process_get_number());
173 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
174 XBT_INFO("Test 5 (turn off dest during a communication : Create a Process/task to make a communication between "
175 "Tremblay and Jupiter and turn off Jupiter during the communication");
176 MSG_host_on(jupiter);
177 MSG_process_sleep(10);
178 argvF = xbt_new(char*, 2);
179 argvF[0] = xbt_strdup("commRX");
180 MSG_process_create_with_arguments("commRX", commRX, NULL, jupiter, 1, argvF);
181 argvF = xbt_new(char*, 2);
182 argvF[0] = xbt_strdup("commTX");
183 MSG_process_create_with_arguments("commTX", commTX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
184 XBT_INFO(" number of processes: %d", MSG_process_get_number());
185 MSG_process_sleep(10);
186 XBT_INFO(" Turn Jupiter off");
187 MSG_host_off(jupiter);
188 XBT_INFO("Test 5 seems ok (number of Process: %d, it should be 2)", MSG_process_get_number());
192 if (xbt_dynar_search_or_negative(tests, &test) != -1) {
193 XBT_INFO("Test 6: Turn on Jupiter, assign a VM on Jupiter, launch a process inside the VM, and turn off the node");
196 msg_vm_t vm0 = MSG_vm_create_core(jupiter, "vm0");
199 argvF = xbt_new(char*, 2);
200 argvF[0] = xbt_strdup("process_daemon");
201 msg_process_t daemon =
202 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, (msg_host_t)vm0, 1, argvF);
204 argvF = xbt_new(char*, 2);
205 argvF[0] = xbt_strdup("process_daemonJUPI");
206 MSG_process_create_with_arguments("process_daemonJUPI", process_daemon, NULL, jupiter, 1, argvF);
208 MSG_process_suspend(daemon);
209 MSG_vm_set_bound(vm0, 90);
210 MSG_process_resume(daemon);
212 MSG_process_sleep(10);
214 XBT_INFO(" Turn Jupiter off");
215 MSG_host_off(jupiter);
216 XBT_INFO(" Shutdown vm0");
217 MSG_vm_shutdown(vm0);
218 XBT_INFO(" Destroy vm0");
220 XBT_INFO("Test 6 is also weird: when the node Jupiter is turned off once again, the VM and its daemon are not "
221 "killed. However, the issue regarding the shutdown of hosted VMs can be seen a feature not a bug ;)");
224 XBT_INFO(" Test done. See you!");
228 int main(int argc, char* argv[])
232 MSG_init(&argc, argv);
233 xbt_assert(argc == 3, "Usage: %s platform_file test_number\n\tExample: %s msg_platform.xml 1\n", argv[0], argv[0]);
237 xbt_dynar_t s_tests = xbt_str_split(argv[2], ",");
239 tests = xbt_dynar_new(sizeof(int), NULL);
240 xbt_dynar_foreach (s_tests, iter, groups) {
241 sscanf(xbt_dynar_get_as(s_tests, iter, char*), "%d", &tmp_test);
242 xbt_dynar_set_as(tests, iter, int, tmp_test);
244 xbt_dynar_free(&s_tests);
246 MSG_create_environment(argv[1]);
248 MSG_process_create("test_launcher", test_launcher, NULL, MSG_get_host_by_name("Tremblay"));
252 XBT_INFO("Simulation time %g", MSG_get_clock());
253 xbt_dynar_free(&tests);
255 return res != MSG_OK;