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 msg_task_t task = NULL;
17 XBT_INFO(" Start daemon on %s (%f)", MSG_host_get_name(MSG_host_self()), MSG_get_host_speed(MSG_host_self()));
19 task = MSG_task_create("daemon", MSG_get_host_speed(MSG_host_self()), 0, NULL);
20 XBT_INFO(" Execute daemon");
21 MSG_task_execute(task);
22 MSG_task_destroy(task);
25 XBT_INFO(" daemon done. See you!");
29 static int process_sleep(int argc, char *argv[])
32 XBT_INFO(" I'm alive but I should sleep");
33 MSG_process_sleep(10);
35 XBT_INFO(" I'm done. See you!");
39 static int commTX(int argc, char *argv[])
41 msg_task_t task = NULL;
42 const char * mailbox = "comm";
43 XBT_INFO(" Start TX");
44 task = MSG_task_create("COMM", 0, 100000000, NULL);
45 MSG_task_isend(task, mailbox);
46 // We should wait a bit (if not the process will end before the communication, hence an exception on the other side).
47 MSG_process_sleep(30);
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);
59 XBT_INFO(" Receive message: %s", task->name);
60 } else if (error==MSG_HOST_FAILURE) {
61 XBT_INFO(" Receive message: HOST_FAILURE");
62 } else if (error==MSG_TRANSFER_FAILURE) {
63 XBT_INFO(" Receive message: TRANSFERT_FAILURE");
65 XBT_INFO(" Receive message: %d", error);
71 static int test_launcher(int argc, char *argv[])
75 argvF = xbt_new(char*, 2);
76 argvF[0] = xbt_strdup("process_daemon");
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(), tasks_done);
95 // Create a process that on a host that is turned off (this should not be possible)
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 not crash, WTF ?!(number of Process : %d, it should be 1)", MSG_process_get_number());
107 XBT_INFO(" Ok so let's turn on/off the node to see whether the process is correctly bound to Jupiter");
108 MSG_host_on(jupiter);
109 XBT_INFO(" Turn off");
110 MSG_host_off(jupiter);
112 MSG_process_sleep(10);
113 XBT_INFO("number of Process : %d it should be 1. The daemon that has been created for test2 has been correctly "
114 "destroyed....ok at least it looks rigorous, cool ! You just have to disallow the possibility to create "
115 "a new process on a node when the node is off.)", MSG_process_get_number());
119 // Create a process running sucessive sleeps on a host and turn the host off during the execution of the process.
120 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
122 MSG_host_on(jupiter);
123 argvF = xbt_new(char*, 2);
124 argvF[0] = xbt_strdup("process_sleep");
125 MSG_process_create_with_arguments("process_sleep", process_sleep, NULL, jupiter, 1, argvF);
126 MSG_process_sleep(100);
127 XBT_INFO(" Turn off");
128 MSG_host_off(jupiter);
129 XBT_INFO(" sleep for 10 seconds");
130 MSG_process_sleep(10000);
131 XBT_INFO("number of Process : %d it should be 1 (i.e. the Test one))", MSG_process_get_number());
135 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
136 XBT_INFO("Test 4 (turn off src during a communication) : Create a Process/task to make a communication between "
137 "Jupiter and Tremblay and turn off Jupiter during the communication");
138 MSG_host_on(jupiter);
139 MSG_process_sleep(10);
140 argvF = xbt_new(char*, 2);
141 argvF[0] = xbt_strdup("commRX");
142 MSG_process_create_with_arguments("commRX", commRX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
143 argvF = xbt_new(char*, 2);
144 argvF[0] = xbt_strdup("commTX");
145 MSG_process_create_with_arguments("commTX", commTX, NULL, jupiter, 1, argvF);
146 XBT_INFO(" number of processes: %d", MSG_process_get_number());
147 MSG_process_sleep(10);
148 XBT_INFO(" Turn Jupiter off");
149 MSG_host_off(jupiter);
150 XBT_INFO("Test 4 seems ok (number of Process : %d, it should be 1 or 2 if RX has not been satisfied) cool, you "
151 "can now turn off a node that has a process paused by a sleep call", MSG_process_get_number());
155 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
156 XBT_INFO("Test 5 (turn off dest during a communication : Create a Process/task to make a communication between "
157 "Tremblay and Jupiter and turn off Jupiter during the communication");
158 MSG_host_on(jupiter);
159 MSG_process_sleep(10);
160 argvF = xbt_new(char*, 2);
161 argvF[0] = xbt_strdup("commRX");
162 MSG_process_create_with_arguments("commRX", commRX, NULL, jupiter, 1, argvF);
163 argvF = xbt_new(char*, 2);
164 argvF[0] = xbt_strdup("commTX");
165 MSG_process_create_with_arguments("commTX", commTX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
166 XBT_INFO(" number of processes: %d", MSG_process_get_number());
167 MSG_process_sleep(10);
168 XBT_INFO(" Turn Jupiter off");
169 MSG_host_off(jupiter);
170 XBT_INFO("Test 5 seems ok, cool !(number of Process : %d, it should be 2", MSG_process_get_number());
174 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
175 XBT_INFO("Test 6: Turn on Jupiter, assign a VM on Jupiter, launch a process inside the VM, and turn off the node");
180 msg_process_t daemon;
182 vm0 = MSG_vm_create (jupiter, "vm0", 1, 2048, 125, NULL, -1, 125, dpRate);
185 argvF = xbt_new(char*, 2);
186 argvF[0] = xbt_strdup("process_daemon");
187 daemon = MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, vm0, 1, argvF);
189 argvF = xbt_new(char*, 2);
190 argvF[0] = xbt_strdup("process_daemonJUPI");
191 MSG_process_create_with_arguments("process_daemonJUPI", process_daemon, NULL, jupiter, 1, argvF);
193 MSG_process_suspend(daemon);
194 MSG_vm_set_bound(vm0, 90);
195 MSG_process_resume(daemon);
197 MSG_process_sleep(10);
199 XBT_INFO(" Turn Jupiter off");
200 MSG_host_off(jupiter);
201 XBT_INFO(" Shutdown vm0");
202 MSG_vm_shutdown(vm0);
203 XBT_INFO(" Destroy vm0");
205 XBT_INFO("Test 6 is also weird: when the node Jupiter is turned off once again, the VM and its daemon are not "
206 "killed. However, the issue regarding the shutdown of hosted VMs can be seen a feature not a bug ;)");
209 XBT_INFO(" Test done. See you!");
213 int main(int argc, char *argv[])
217 MSG_init(&argc, argv);
218 xbt_assert(argc == 3,"Usage: %s platform_file test_number\n\tExample: %s msg_platform.xml 1\n", argv[0], argv[0]);
222 xbt_dynar_t s_tests = xbt_str_split(argv[2], ",");
224 tests = xbt_dynar_new(sizeof(int), NULL);
225 xbt_dynar_foreach(s_tests, iter, groups) {
226 sscanf(xbt_dynar_get_as(s_tests, iter, char *), "%d", &tmp_test);
227 xbt_dynar_set_as(tests, iter, int, tmp_test);
229 xbt_dynar_free(&s_tests);
231 MSG_create_environment(argv[1]);
233 MSG_process_create("test_launcher", test_launcher, NULL, MSG_get_host_by_name("Tremblay"));
237 XBT_INFO("Simulation time %g", MSG_get_clock());
239 return res != MSG_OK;