1 /* Copyright (c) 2010-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "simgrid/msg.h" /* Yeah! If you want to use msg, you need to include simgrid/msg.h */
9 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
14 static int process_daemon(int argc, char *argv[])
16 XBT_INFO(" Start daemon on %s (%f)", MSG_host_get_name(MSG_host_self()), MSG_get_host_speed(MSG_host_self()));
18 msg_task_t task = MSG_task_create("daemon", MSG_get_host_speed(MSG_host_self()), 0, NULL);
19 XBT_INFO(" Execute daemon");
20 MSG_task_execute(task);
21 MSG_task_destroy(task);
24 XBT_INFO(" daemon done. See you!");
28 static int process_sleep(int argc, char *argv[])
31 XBT_INFO(" I'm alive but I should sleep");
32 MSG_process_sleep(10);
34 XBT_INFO(" I'm done. See you!");
38 static int commTX(int argc, char *argv[])
40 msg_task_t task = NULL;
41 const char * mailbox = "comm";
42 XBT_INFO(" Start TX");
43 task = MSG_task_create("COMM", 0, 100000000, NULL);
44 MSG_task_isend(task, mailbox);
45 // We should wait a bit (if not the process will end before the communication, hence an exception on the other side).
46 MSG_process_sleep(30);
51 static int commRX(int argc, char *argv[])
53 msg_task_t task = NULL;
54 const char * mailbox = "comm";
55 XBT_INFO(" Start RX");
56 msg_error_t error = MSG_task_receive(&(task), mailbox);
58 XBT_INFO(" Receive message: %s", task->name);
59 } else if (error==MSG_HOST_FAILURE) {
60 XBT_INFO(" Receive message: HOST_FAILURE");
61 } else if (error==MSG_TRANSFER_FAILURE) {
62 XBT_INFO(" Receive message: TRANSFERT_FAILURE");
64 XBT_INFO(" Receive message: %d", error);
70 static int test_launcher(int argc, char *argv[])
74 msg_host_t jupiter = MSG_host_by_name("Jupiter");
77 // Create a process running a simple task on a host and turn the host off during the execution of the process.
78 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
80 XBT_INFO(" Create a process on Jupiter");
81 argvF = xbt_new(char*, 2);
82 argvF[0] = xbt_strdup("process_daemon");
83 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
85 XBT_INFO(" Turn off Jupiter");
86 MSG_host_off(jupiter);
87 MSG_process_sleep(10);
88 XBT_INFO("Test 1 seems ok, cool !(#Processes: %d, it should be 1; #tasks: %d)", MSG_process_get_number(), tasks_done);
92 // Create a process that on a host that is turned off (this should not be possible)
93 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
95 XBT_INFO(" Turn off Jupiter");
96 // adsein: Jupiter is already, hence nothing should happen
97 // adsein: This can be one additional test, to check that you cannot shutdown twice a host
98 MSG_host_off(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(10);
103 XBT_INFO(" Test 2 does not crash as it should (number of Process : %d, it should be 1)", MSG_process_get_number());
104 XBT_INFO(" Ok so let's turn on/off the node to see whether the process is correctly bound to Jupiter");
105 MSG_host_on(jupiter);
106 XBT_INFO(" Turn off");
107 MSG_host_off(jupiter);
109 MSG_process_sleep(10);
110 XBT_INFO("number of Process : %d it should be 1. The daemon that has been created for test2 has been correctly "
111 "destroyed....ok at least it looks rigorous, cool ! You just have to disallow the possibility to create "
112 "a new process on a node when the node is off.)", MSG_process_get_number());
116 // Create a process running sucessive sleeps on a host and turn the host off during the execution of the process.
117 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
119 MSG_host_on(jupiter);
120 argvF = xbt_new(char*, 2);
121 argvF[0] = xbt_strdup("process_sleep");
122 MSG_process_create_with_arguments("process_sleep", process_sleep, NULL, jupiter, 1, argvF);
123 MSG_process_sleep(100);
124 XBT_INFO(" Turn off");
125 MSG_host_off(jupiter);
126 XBT_INFO(" sleep for 10 seconds");
127 MSG_process_sleep(10000);
128 XBT_INFO("number of Process : %d it should be 1 (i.e. the Test one))", MSG_process_get_number());
132 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
133 XBT_INFO("Test 4 (turn off src during a communication) : Create a Process/task to make a communication between "
134 "Jupiter and Tremblay and turn off Jupiter during the communication");
135 MSG_host_on(jupiter);
136 MSG_process_sleep(10);
137 argvF = xbt_new(char*, 2);
138 argvF[0] = xbt_strdup("commRX");
139 MSG_process_create_with_arguments("commRX", commRX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
140 argvF = xbt_new(char*, 2);
141 argvF[0] = xbt_strdup("commTX");
142 MSG_process_create_with_arguments("commTX", commTX, NULL, jupiter, 1, argvF);
143 XBT_INFO(" number of processes: %d", MSG_process_get_number());
144 MSG_process_sleep(10);
145 XBT_INFO(" Turn Jupiter off");
146 MSG_host_off(jupiter);
147 XBT_INFO("Test 4 seems ok (number of Process : %d, it should be 1 or 2 if RX has not been satisfied) cool, you "
148 "can now turn off a node that has a process paused by a sleep call", MSG_process_get_number());
152 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
153 XBT_INFO("Test 5 (turn off dest during a communication : Create a Process/task to make a communication between "
154 "Tremblay and Jupiter 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, jupiter, 1, argvF);
160 argvF = xbt_new(char*, 2);
161 argvF[0] = xbt_strdup("commTX");
162 MSG_process_create_with_arguments("commTX", commTX, NULL, MSG_host_by_name("Tremblay"), 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 5 seems ok, cool !(number of Process : %d, it should be 2", MSG_process_get_number());
171 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
172 XBT_INFO("Test 6: Turn on Jupiter, assign a VM on Jupiter, launch a process inside the VM, and turn off the node");
177 msg_process_t daemon;
179 vm0 = MSG_vm_create (jupiter, "vm0", 1, 2048, 125, NULL, -1, 125, dpRate);
182 argvF = xbt_new(char*, 2);
183 argvF[0] = xbt_strdup("process_daemon");
184 daemon = MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, vm0, 1, argvF);
186 argvF = xbt_new(char*, 2);
187 argvF[0] = xbt_strdup("process_daemonJUPI");
188 MSG_process_create_with_arguments("process_daemonJUPI", process_daemon, NULL, jupiter, 1, argvF);
190 MSG_process_suspend(daemon);
191 MSG_vm_set_bound(vm0, 90);
192 MSG_process_resume(daemon);
194 MSG_process_sleep(10);
196 XBT_INFO(" Turn Jupiter off");
197 MSG_host_off(jupiter);
198 XBT_INFO(" Shutdown vm0");
199 MSG_vm_shutdown(vm0);
200 XBT_INFO(" Destroy vm0");
202 XBT_INFO("Test 6 is also weird: when the node Jupiter is turned off once again, the VM and its daemon are not "
203 "killed. However, the issue regarding the shutdown of hosted VMs can be seen a feature not a bug ;)");
206 XBT_INFO(" Test done. See you!");
210 int main(int argc, char *argv[])
214 MSG_init(&argc, argv);
215 xbt_assert(argc == 3,"Usage: %s platform_file test_number\n\tExample: %s msg_platform.xml 1\n", argv[0], argv[0]);
219 xbt_dynar_t s_tests = xbt_str_split(argv[2], ",");
221 tests = xbt_dynar_new(sizeof(int), NULL);
222 xbt_dynar_foreach(s_tests, iter, groups) {
223 sscanf(xbt_dynar_get_as(s_tests, iter, char *), "%d", &tmp_test);
224 xbt_dynar_set_as(tests, iter, int, tmp_test);
226 xbt_dynar_free(&s_tests);
228 MSG_create_environment(argv[1]);
230 MSG_process_create("test_launcher", test_launcher, NULL, MSG_get_host_by_name("Tremblay"));
234 XBT_INFO("Simulation time %g", MSG_get_clock());
236 return res != MSG_OK;