1 /* Copyright (c) 2010-2017. 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 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
13 static int process_daemon(int argc, char *argv[])
15 XBT_INFO(" Start daemon on %s (%f)", MSG_host_get_name(MSG_host_self()), MSG_host_get_speed(MSG_host_self()));
17 msg_task_t task = MSG_task_create("daemon", MSG_host_get_speed(MSG_host_self()), 0, NULL);
18 XBT_INFO(" Execute daemon");
19 MSG_task_execute(task);
20 MSG_task_destroy(task);
23 XBT_INFO(" daemon done. See you!");
27 static int process_sleep(int argc, char *argv[])
30 XBT_INFO(" I'm alive but I should sleep");
31 MSG_process_sleep(10);
33 XBT_INFO(" I'm 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_isend(task, mailbox);
43 // We should wait a bit (if not the process will end before the communication, hence an exception on the other side).
44 MSG_process_sleep(30);
49 static int commRX(int argc, char *argv[])
51 msg_task_t task = NULL;
52 const char * mailbox = "comm";
53 XBT_INFO(" Start RX");
54 msg_error_t error = MSG_task_receive(&(task), mailbox);
56 XBT_INFO(" Receive message: %s", task->name);
57 } else if (error==MSG_HOST_FAILURE) {
58 XBT_INFO(" Receive message: HOST_FAILURE");
59 } else if (error==MSG_TRANSFER_FAILURE) {
60 XBT_INFO(" Receive message: TRANSFERT_FAILURE");
62 XBT_INFO(" Receive message: %d", error);
68 static int test_launcher(int argc, char *argv[])
72 msg_host_t jupiter = MSG_host_by_name("Jupiter");
75 // Create a process running a simple task on a host and turn the host off during the execution of the process.
76 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
78 XBT_INFO(" Create a process on Jupiter");
79 argvF = xbt_new(char*, 2);
80 argvF[0] = xbt_strdup("process_daemon");
81 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
83 XBT_INFO(" Turn off Jupiter");
84 MSG_host_off(jupiter);
85 MSG_process_sleep(10);
86 XBT_INFO("Test 1 seems ok, cool !(#Processes: %d, it should be 1; #tasks: %d)", MSG_process_get_number(), tasks_done);
90 // Create a process that on a host that is turned off (this should not be possible)
91 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
93 XBT_INFO(" Turn off Jupiter");
94 // adsein: Jupiter is already, hence nothing should happen
95 // adsein: This can be one additional test, to check that you cannot shutdown twice a host
96 MSG_host_off(jupiter);
97 argvF = xbt_new(char*, 2);
98 argvF[0] = xbt_strdup("process_daemon");
99 MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, jupiter, 1, argvF);
100 MSG_process_sleep(10);
101 XBT_INFO(" Test 2 does not crash as it should (number of Process : %d, it should be 1)", MSG_process_get_number());
102 XBT_INFO(" Ok so let's turn on/off the node to see whether the process is correctly bound to Jupiter");
103 MSG_host_on(jupiter);
104 XBT_INFO(" Turn off");
105 MSG_host_off(jupiter);
107 MSG_process_sleep(10);
108 XBT_INFO("number of Process : %d it should be 1. The daemon that has been created for test2 has been correctly "
109 "destroyed....ok at least it looks rigorous, cool ! You just have to disallow the possibility to create "
110 "a new process on a node when the node is off.)", MSG_process_get_number());
114 // Create a process running sucessive sleeps on a host and turn the host off during the execution of the process.
115 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
117 MSG_host_on(jupiter);
118 argvF = xbt_new(char*, 2);
119 argvF[0] = xbt_strdup("process_sleep");
120 MSG_process_create_with_arguments("process_sleep", process_sleep, NULL, jupiter, 1, argvF);
121 MSG_process_sleep(100);
122 XBT_INFO(" Turn off");
123 MSG_host_off(jupiter);
124 XBT_INFO(" sleep for 10 seconds");
125 MSG_process_sleep(10000);
126 XBT_INFO("number of Process : %d it should be 1 (i.e. the Test one))", MSG_process_get_number());
130 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
131 XBT_INFO("Test 4 (turn off src during a communication) : Create a Process/task to make a communication between "
132 "Jupiter and Tremblay and turn off Jupiter during the communication");
133 MSG_host_on(jupiter);
134 MSG_process_sleep(10);
135 argvF = xbt_new(char*, 2);
136 argvF[0] = xbt_strdup("commRX");
137 MSG_process_create_with_arguments("commRX", commRX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
138 argvF = xbt_new(char*, 2);
139 argvF[0] = xbt_strdup("commTX");
140 MSG_process_create_with_arguments("commTX", commTX, NULL, jupiter, 1, argvF);
141 XBT_INFO(" number of processes: %d", MSG_process_get_number());
142 MSG_process_sleep(10);
143 XBT_INFO(" Turn Jupiter off");
144 MSG_host_off(jupiter);
145 XBT_INFO("Test 4 seems ok (number of Process : %d, it should be 1 or 2 if RX has not been satisfied) cool, you "
146 "can now turn off a node that has a process paused by a sleep call", MSG_process_get_number());
150 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
151 XBT_INFO("Test 5 (turn off dest during a communication : Create a Process/task to make a communication between "
152 "Tremblay and Jupiter and turn off Jupiter during the communication");
153 MSG_host_on(jupiter);
154 MSG_process_sleep(10);
155 argvF = xbt_new(char*, 2);
156 argvF[0] = xbt_strdup("commRX");
157 MSG_process_create_with_arguments("commRX", commRX, NULL, jupiter, 1, argvF);
158 argvF = xbt_new(char*, 2);
159 argvF[0] = xbt_strdup("commTX");
160 MSG_process_create_with_arguments("commTX", commTX, NULL, MSG_host_by_name("Tremblay"), 1, argvF);
161 XBT_INFO(" number of processes: %d", MSG_process_get_number());
162 MSG_process_sleep(10);
163 XBT_INFO(" Turn Jupiter off");
164 MSG_host_off(jupiter);
165 XBT_INFO("Test 5 seems ok, cool !(number of Process : %d, it should be 2", MSG_process_get_number());
169 if (xbt_dynar_search_or_negative(tests, &test)!=-1){
170 XBT_INFO("Test 6: Turn on Jupiter, assign a VM on Jupiter, launch a process inside the VM, and turn off the node");
175 msg_process_t daemon;
177 vm0 = MSG_vm_create(jupiter, "vm0", 1, 2048, 125, dpRate);
180 argvF = xbt_new(char*, 2);
181 argvF[0] = xbt_strdup("process_daemon");
182 daemon = MSG_process_create_with_arguments("process_daemon", process_daemon, NULL, vm0, 1, argvF);
184 argvF = xbt_new(char*, 2);
185 argvF[0] = xbt_strdup("process_daemonJUPI");
186 MSG_process_create_with_arguments("process_daemonJUPI", process_daemon, NULL, jupiter, 1, argvF);
188 MSG_process_suspend(daemon);
189 MSG_vm_set_bound(vm0, 90);
190 MSG_process_resume(daemon);
192 MSG_process_sleep(10);
194 XBT_INFO(" Turn Jupiter off");
195 MSG_host_off(jupiter);
196 XBT_INFO(" Shutdown vm0");
197 MSG_vm_shutdown(vm0);
198 XBT_INFO(" Destroy vm0");
200 XBT_INFO("Test 6 is also weird: when the node Jupiter is turned off once again, the VM and its daemon are not "
201 "killed. However, the issue regarding the shutdown of hosted VMs can be seen a feature not a bug ;)");
204 XBT_INFO(" Test done. See you!");
208 int main(int argc, char *argv[])
212 MSG_init(&argc, argv);
213 xbt_assert(argc == 3,"Usage: %s platform_file test_number\n\tExample: %s msg_platform.xml 1\n", argv[0], argv[0]);
217 xbt_dynar_t s_tests = xbt_str_split(argv[2], ",");
219 tests = xbt_dynar_new(sizeof(int), NULL);
220 xbt_dynar_foreach(s_tests, iter, groups) {
221 sscanf(xbt_dynar_get_as(s_tests, iter, char *), "%d", &tmp_test);
222 xbt_dynar_set_as(tests, iter, int, tmp_test);
224 xbt_dynar_free(&s_tests);
226 MSG_create_environment(argv[1]);
228 MSG_process_create("test_launcher", test_launcher, NULL, MSG_get_host_by_name("Tremblay"));
232 XBT_INFO("Simulation time %g", MSG_get_clock());
234 return res != MSG_OK;