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/msg.h"
8 #include <stdio.h> /* sscanf */
10 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
15 static void task_cleanup_handler(void *task)
18 MSG_task_destroy(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_process_set_data(self, NULL);
31 MSG_task_destroy(task);
34 XBT_INFO(" daemon done. See you!");
38 static int process_sleep(int argc, char *argv[])
41 XBT_INFO(" I'm alive but I should sleep");
42 MSG_process_sleep(10);
44 XBT_INFO(" I'm done. See you!");
48 static int commTX(int argc, char *argv[])
50 const char * mailbox = "comm";
51 XBT_INFO(" Start TX");
52 msg_task_t task = MSG_task_create("COMM", 0, 100000000, NULL);
53 MSG_task_dsend(task, mailbox, task_cleanup_handler);
54 // We should wait a bit (if not the process will end before the communication, hence an exception on the other side).
55 MSG_process_sleep(30);
60 static int commRX(int argc, char *argv[])
62 msg_task_t task = NULL;
63 const char * mailbox = "comm";
64 XBT_INFO(" Start RX");
65 msg_error_t error = MSG_task_receive(&(task), mailbox);
67 XBT_INFO(" Receive message: %s", task->name);
68 MSG_task_destroy(task);
69 } else if (error==MSG_HOST_FAILURE) {
70 XBT_INFO(" Receive message: HOST_FAILURE");
71 } else if (error==MSG_TRANSFER_FAILURE) {
72 XBT_INFO(" Receive message: TRANSFERT_FAILURE");
74 XBT_INFO(" Receive message: %u", error);
80 static int test_launcher(int argc, char *argv[])
84 msg_host_t jupiter = MSG_host_by_name("Jupiter");
87 // Create a process running a simple task on a host and turn the host off during the execution of the process.
88 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
90 XBT_INFO(" Create a process on Jupiter");
91 argvF = xbt_new(char*, 2);
92 argvF[0] = xbt_strdup("process_daemon");
93 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
95 XBT_INFO(" Turn off Jupiter");
96 MSG_host_off(jupiter);
97 MSG_process_sleep(10);
98 XBT_INFO("Test 1 seems ok, cool !(#Processes: %d, it should be 1; #tasks: %d)", MSG_process_get_number(), tasks_done);
102 // Create a process that on a host that is turned off (this should not be possible)
103 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
105 XBT_INFO(" Turn off Jupiter");
106 // adsein: Jupiter is already, hence nothing should happen
107 // adsein: This can be one additional test, to check that you cannot shutdown twice a host
108 MSG_host_off(jupiter);
109 argvF = xbt_new(char*, 2);
110 argvF[0] = xbt_strdup("process_daemon");
111 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
112 MSG_process_sleep(10);
113 XBT_INFO(" Test 2 does not crash as it should (number of Process : %d, it should be 1)", MSG_process_get_number());
114 XBT_INFO(" Ok so let's turn on/off the node to see whether the process is correctly bound to Jupiter");
115 MSG_host_on(jupiter);
116 XBT_INFO(" Turn off");
117 MSG_host_off(jupiter);
119 MSG_process_sleep(10);
120 XBT_INFO("number of Process : %d it should be 1. The daemon that has been created for test2 has been correctly "
121 "destroyed....ok at least it looks rigorous, cool ! You just have to disallow the possibility to create "
122 "a new process on a node when the node is off.)", MSG_process_get_number());
126 // Create a process running sucessive sleeps on a host and turn the host off during the execution of the process.
127 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
129 MSG_host_on(jupiter);
130 argvF = xbt_new(char*, 2);
131 argvF[0] = xbt_strdup("process_sleep");
132 MSG_process_create_with_arguments("process_sleep", process_sleep, NULL, jupiter, 1, argvF);
133 MSG_process_sleep(100);
134 XBT_INFO(" Turn off");
135 MSG_host_off(jupiter);
136 XBT_INFO(" sleep for 10 seconds");
137 MSG_process_sleep(10000);
138 XBT_INFO("number of Process : %d it should be 1 (i.e. the Test one))", MSG_process_get_number());
142 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
143 XBT_INFO("Test 4 (turn off src during a communication) : Create a Process/task to make a communication between "
144 "Jupiter and Tremblay and turn off Jupiter during the communication");
145 MSG_host_on(jupiter);
146 MSG_process_sleep(10);
147 argvF = xbt_new(char*, 2);
148 argvF[0] = xbt_strdup("commRX");
149 MSG_process_create_with_arguments("commRX", commRX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
150 argvF = xbt_new(char*, 2);
151 argvF[0] = xbt_strdup("commTX");
152 MSG_process_create_with_arguments("commTX", commTX, NULL, jupiter, 1, argvF);
153 XBT_INFO(" number of processes: %d", MSG_process_get_number());
154 MSG_process_sleep(10);
155 XBT_INFO(" Turn Jupiter off");
156 MSG_host_off(jupiter);
157 XBT_INFO("Test 4 seems ok (number of Process : %d, it should be 1 or 2 if RX has not been satisfied) cool, you "
158 "can now turn off a node that has a process paused by a sleep call", MSG_process_get_number());
162 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
163 XBT_INFO("Test 5 (turn off dest during a communication : Create a Process/task to make a communication between "
164 "Tremblay and Jupiter and turn off Jupiter during the communication");
165 MSG_host_on(jupiter);
166 MSG_process_sleep(10);
167 argvF = xbt_new(char*, 2);
168 argvF[0] = xbt_strdup("commRX");
169 MSG_process_create_with_arguments("commRX", commRX, NULL, jupiter, 1, argvF);
170 argvF = xbt_new(char*, 2);
171 argvF[0] = xbt_strdup("commTX");
172 MSG_process_create_with_arguments("commTX", commTX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
173 XBT_INFO(" number of processes: %d", MSG_process_get_number());
174 MSG_process_sleep(10);
175 XBT_INFO(" Turn Jupiter off");
176 MSG_host_off(jupiter);
177 XBT_INFO("Test 5 seems ok (number of Process: %d, it should be 2)", MSG_process_get_number());
181 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
182 XBT_INFO("Test 6: Turn on Jupiter, assign a VM on Jupiter, launch a process inside the VM, and turn off the node");
185 msg_vm_t vm0 = MSG_vm_create_core(jupiter, "vm0");
188 argvF = xbt_new(char*, 2);
189 argvF[0] = xbt_strdup("process_daemon");
190 msg_process_t daemon =
191 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, (msg_host_t)vm0, 1, argvF);
193 argvF = xbt_new(char*, 2);
194 argvF[0] = xbt_strdup("process_daemonJUPI");
195 MSG_process_create_with_arguments("process_daemonJUPI", process_daemon, NULL, jupiter, 1, argvF);
197 MSG_process_suspend(daemon);
198 MSG_vm_set_bound(vm0, 90);
199 MSG_process_resume(daemon);
201 MSG_process_sleep(10);
203 XBT_INFO(" Turn Jupiter off");
204 MSG_host_off(jupiter);
205 XBT_INFO(" Shutdown vm0");
206 MSG_vm_shutdown(vm0);
207 XBT_INFO(" Destroy vm0");
209 XBT_INFO("Test 6 is also weird: when the node Jupiter is turned off once again, the VM and its daemon are not "
210 "killed. However, the issue regarding the shutdown of hosted VMs can be seen a feature not a bug ;)");
213 XBT_INFO(" Test done. See you!");
217 int main(int argc, char *argv[])
221 MSG_init(&argc, argv);
222 xbt_assert(argc == 3,"Usage: %s platform_file test_number\n\tExample: %s msg_platform.xml 1\n", argv[0], argv[0]);
226 xbt_dynar_t s_tests = xbt_str_split(argv[2], ",");
228 tests = xbt_dynar_new(sizeof(int), NULL);
229 xbt_dynar_foreach(s_tests, iter, groups) {
230 sscanf(xbt_dynar_get_as(s_tests, iter, char *), "%d", &tmp_test);
231 xbt_dynar_set_as(tests, iter, int, tmp_test);
233 xbt_dynar_free(&s_tests);
235 MSG_create_environment(argv[1]);
237 MSG_process_set_data_cleanup(task_cleanup_handler);
238 MSG_process_create("test_launcher", test_launcher, NULL, MSG_get_host_by_name("Tremblay"));
242 XBT_INFO("Simulation time %g", MSG_get_clock());
243 xbt_dynar_free(&tests);
245 return res != MSG_OK;