1 /* Copyright (c) 2010. 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. */
8 #include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
9 #include "surf/surfxml_parse.h" /* to override surf_parse and bypass the parser */
11 /* Create a log channel to have nice outputs. */
13 #include "xbt/asserts.h"
14 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
15 "Messages specific for this msg example");
17 #define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
19 MSG_error_t test_all(const char *platform_file);
22 int master(int argc, char *argv[]);
23 int slave(int argc, char *argv[]);
30 /** Emitter function */
31 int master(int argc, char *argv[])
34 m_host_t *slaves = NULL;
35 m_task_t *todo = NULL;
36 int number_of_tasks = 0;
37 double task_comp_size = 0;
38 double task_comm_size = 0;
42 read = sscanf(argv[1], "%d", &number_of_tasks);
43 xbt_assert(read, "Invalid argument %s\n", argv[1]);
44 read = sscanf(argv[2], "%lg", &task_comp_size);
45 xbt_assert(read, "Invalid argument %s\n", argv[2]);
46 read = sscanf(argv[3], "%lg", &task_comm_size);
47 xbt_assert(read, "Invalid argument %s\n", argv[3]);
50 char sprintf_buffer[64];
52 todo = xbt_new0(m_task_t, number_of_tasks);
54 for (i = 0; i < number_of_tasks; i++) {
55 sprintf(sprintf_buffer, "Task_%d", i);
57 MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size,
62 { /* Process organisation */
63 slaves_count = argc - 4;
64 slaves = xbt_new0(m_host_t, slaves_count);
66 for (i = 4; i < argc; i++) {
67 slaves[i - 4] = MSG_get_host_by_name(argv[i]);
68 if (slaves[i - 4] == NULL) {
69 XBT_INFO("Unknown host %s. Stopping Now! ", argv[i]);
75 XBT_INFO("Got %d slave(s) :", slaves_count);
76 for (i = 0; i < slaves_count; i++)
77 XBT_INFO("\t %s", slaves[i]->name);
79 XBT_INFO("Got %d task to process :", number_of_tasks);
81 for (i = 0; i < number_of_tasks; i++)
82 XBT_INFO("\t\"%s\"", todo[i]->name);
84 for (i = 0; i < number_of_tasks; i++) {
85 XBT_INFO("Sending \"%s\" to \"%s\"",
86 todo[i]->name, slaves[i % slaves_count]->name);
87 if (MSG_host_self() == slaves[i % slaves_count]) {
88 XBT_INFO("Hey ! It's me ! :)");
90 MSG_task_put(todo[i], slaves[i % slaves_count], PORT_22);
91 XBT_INFO("Send completed");
95 ("All tasks have been dispatched. Let's tell everybody the computation is over.");
96 for (i = 0; i < slaves_count; i++)
97 MSG_task_put(MSG_task_create("finalize", 0, 0, FINALIZE),
100 XBT_INFO("Goodbye now!");
104 } /* end_of_master */
106 /** Receiver function */
107 int slave(int argc, char *argv[])
109 XBT_INFO("I'm a slave");
111 m_task_t task = NULL;
113 a = MSG_task_get(&(task), PORT_22);
115 XBT_INFO("Received \"%s\" ", MSG_task_get_name(task));
116 if (MSG_task_get_data(task) == FINALIZE) {
117 MSG_task_destroy(task);
120 XBT_INFO("Processing \"%s\" ", MSG_task_get_name(task));
121 MSG_task_execute(task);
122 XBT_INFO("\"%s\" done ", MSG_task_get_name(task));
123 MSG_task_destroy(task);
125 XBT_INFO("Hey ?! What's up ? ");
126 xbt_die("Unexpected behavior");
129 XBT_INFO("I'm done. See you!");
134 /** Bypass deployment **/
135 static int bypass_deployment(void)
139 static int surfxml_bufferstack_size = 2048;
140 static int surfxml_buffer_stack_stack_ptr = 0;
141 static int surfxml_buffer_stack_stack[1024];
142 /* allocating memory to the buffer, I think 2MB should be enough */
143 surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
144 nb_host = MSG_get_host_number();
147 SURFXML_BUFFER_SET(platform_version, "3");
148 SURFXML_START_TAG(platform);
149 XBT_DEBUG("<platform version=\"3\">");
151 XBT_DEBUG(" <process host=\"c-0.me\" function=\"master\">");
152 SURFXML_BUFFER_SET(process_host, "c-0.me");
153 SURFXML_BUFFER_SET(process_function, "master");
154 SURFXML_BUFFER_SET(process_start_time, "-1.0");
155 SURFXML_BUFFER_SET(process_kill_time, "-1.0");
156 SURFXML_START_TAG(process);
158 XBT_DEBUG(" <argument value=\"%s\"/>",bprintf("%d",nb_host-1));
159 SURFXML_BUFFER_SET(argument_value, bprintf("%d",nb_host-1));
160 SURFXML_START_TAG(argument);
161 SURFXML_END_TAG(argument);
163 XBT_DEBUG(" <argument value=\"5000000\"/>");
164 SURFXML_BUFFER_SET(argument_value, "5000000");
165 SURFXML_START_TAG(argument);
166 SURFXML_END_TAG(argument);
168 XBT_DEBUG(" <argument value=\"100000\"/>");
169 SURFXML_BUFFER_SET(argument_value, "100000");
170 SURFXML_START_TAG(argument);
171 SURFXML_END_TAG(argument);
173 for(i=1 ; i<nb_host ; i++)
175 XBT_DEBUG(" <argument value=\"%s.me\"/>",bprintf("c-%d",i));
176 SURFXML_BUFFER_SET(argument_value, bprintf("c-%d.me",i));
177 SURFXML_START_TAG(argument);
178 SURFXML_END_TAG(argument);
180 XBT_DEBUG(" </process>");
181 SURFXML_END_TAG(process);
183 for(i=1 ; i<nb_host ; i++)
185 XBT_DEBUG(" <process host=\"%s.me\" function=\"slave\"/>",bprintf("c-%d",i));
186 SURFXML_BUFFER_SET(process_host, bprintf("c-%d.me",i));
187 SURFXML_BUFFER_SET(process_function, "slave");
188 SURFXML_BUFFER_SET(process_start_time, "-1.0");
189 SURFXML_BUFFER_SET(process_kill_time, "-1.0");
190 SURFXML_START_TAG(process);
191 SURFXML_END_TAG(process);
194 XBT_DEBUG("</platform>");
195 SURFXML_END_TAG(platform);
197 free(surfxml_bufferstack);
202 MSG_error_t test_all(const char *platform_file)
204 MSG_error_t res = MSG_OK;
205 MSG_set_channel_number(MAX_CHANNEL);
206 MSG_create_environment(platform_file);
207 MSG_function_register("master", master);
208 MSG_function_register("slave", slave);
209 surf_parse = bypass_deployment;
210 MSG_launch_application(NULL);
214 XBT_INFO("Simulation time %g", MSG_get_clock());
216 } /* end_of_test_all */
220 int main(int argc, char *argv[])
222 MSG_error_t res = MSG_OK;
224 MSG_global_init(&argc, argv);
225 res = test_all(argv[1]);