1 /* Copyright (c) 2007, 2008, 2009, 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 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
14 "Messages specific for this msg example");
15 #define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
17 static int surf_parse_bypass_platform(void)
19 static int AX_ptr = 0;
20 static int surfxml_bufferstack_size = 2048;
22 /* allocating memory for the buffer, I think 2kB should be enough */
23 surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
25 XBT_DEBUG("<platform>");
26 SURFXML_BUFFER_SET(platform_version, "3");
27 SURFXML_START_TAG(platform);
30 SURFXML_BUFFER_SET(AS_id, "AS0");
31 SURFXML_BUFFER_SET(AS_routing, "Full");
32 SURFXML_START_TAG(AS);
34 XBT_DEBUG("<host id=\"host A\" power=\"100000000.00\"/>");
35 SURFXML_BUFFER_SET(host_id, "host A");
36 SURFXML_BUFFER_SET(host_power, "100000000.00");
37 SURFXML_BUFFER_SET(host_availability, "1.0");
38 SURFXML_BUFFER_SET(host_availability_file, "");
39 SURFXML_BUFFER_SET(host_core, "1");
40 A_surfxml_host_state = A_surfxml_host_state_ON;
41 SURFXML_BUFFER_SET(host_state_file, "");
42 SURFXML_BUFFER_SET(host_coordinates, "");
43 SURFXML_START_TAG(host);
44 SURFXML_END_TAG(host);
46 XBT_DEBUG("<host id=\"host B\" power=\"100000000.00\"/>");
47 SURFXML_BUFFER_SET(host_id, "host B");
48 SURFXML_BUFFER_SET(host_power, "100000000.00");
49 SURFXML_BUFFER_SET(host_availability, "1.0");
50 SURFXML_BUFFER_SET(host_availability_file, "");
51 SURFXML_BUFFER_SET(host_core, "1");
52 A_surfxml_host_state = A_surfxml_host_state_ON;
53 SURFXML_BUFFER_SET(host_state_file, "");
54 SURFXML_BUFFER_SET(host_coordinates, "");
55 SURFXML_START_TAG(host);
56 SURFXML_END_TAG(host);
58 XBT_DEBUG("<link id=\"LinkA\" bandwidth=\"10000000.0\" latency=\"0.2\"/>");
59 SURFXML_BUFFER_SET(link_id, "LinkA");
60 SURFXML_BUFFER_SET(link_bandwidth, "10000000.0");
61 SURFXML_BUFFER_SET(link_bandwidth_file, "");
62 SURFXML_BUFFER_SET(link_latency, "0.2");
63 SURFXML_BUFFER_SET(link_latency_file, "");
64 A_surfxml_link_state = A_surfxml_link_state_ON;
65 SURFXML_BUFFER_SET(link_state_file, "");
66 A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
67 SURFXML_START_TAG(link);
68 SURFXML_END_TAG(link);
70 XBT_DEBUG("<route src=\"host A\" dst=\"host B\">");
71 SURFXML_BUFFER_SET(route_src, "host A");
72 SURFXML_BUFFER_SET(route_dst, "host B");
73 A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_YES;
74 SURFXML_START_TAG(route);
75 XBT_DEBUG(" <link:ctn id=\"LinkA\"/>");
76 SURFXML_BUFFER_SET(link_ctn_id, "LinkA");
77 A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
78 SURFXML_START_TAG(link_ctn);
79 SURFXML_END_TAG(link_ctn);
80 XBT_DEBUG("</route>");
81 SURFXML_END_TAG(route);
85 XBT_DEBUG("</platfrom>");
86 SURFXML_END_TAG(platform);
88 free(surfxml_bufferstack);
92 static int surf_parse_bypass_application(void)
95 static int surfxml_bufferstack_size = 2048;
96 static int surfxml_buffer_stack_stack_ptr = 0;
97 static int surfxml_buffer_stack_stack[1024];
98 /* allocating memory to the buffer, I think 2MB should be enough */
99 surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
102 SURFXML_BUFFER_SET(platform_version, "3");
104 SURFXML_START_TAG(platform);
106 /* <process host="host A" function="master"> */
107 SURFXML_BUFFER_SET(process_host, "host A");
108 SURFXML_BUFFER_SET(process_function, "master");
109 SURFXML_BUFFER_SET(process_start_time, "-1.0");
110 SURFXML_BUFFER_SET(process_kill_time, "-1.0");
111 SURFXML_START_TAG(process);
113 /* <argument value="20"/> */
114 SURFXML_BUFFER_SET(argument_value, "20");
115 SURFXML_START_TAG(argument);
116 SURFXML_END_TAG(argument);
118 /* <argument value="5000000"/> */
119 SURFXML_BUFFER_SET(argument_value, "5000000");
120 SURFXML_START_TAG(argument);
121 SURFXML_END_TAG(argument);
123 /* <argument value="100000"/> */
124 SURFXML_BUFFER_SET(argument_value, "100000");
125 SURFXML_START_TAG(argument);
126 SURFXML_END_TAG(argument);
128 /* <argument value="host B"/> */
129 SURFXML_BUFFER_SET(argument_value, "host B");
130 SURFXML_START_TAG(argument);
131 SURFXML_END_TAG(argument);
134 SURFXML_END_TAG(process);
136 /* <process host="host B" function="slave"/> */
137 SURFXML_BUFFER_SET(process_host, "host B");
138 SURFXML_BUFFER_SET(process_function, "slave");
139 SURFXML_BUFFER_SET(process_start_time, "-1.0");
140 SURFXML_BUFFER_SET(process_kill_time, "-1.0");
141 SURFXML_START_TAG(process);
142 SURFXML_END_TAG(process);
145 SURFXML_END_TAG(platform);
147 free(surfxml_bufferstack);
151 int master(int argc, char *argv[]);
152 int slave(int argc, char *argv[]);
153 MSG_error_t test_all(void);
155 /** Emitter function */
156 int master(int argc, char *argv[])
158 int slaves_count = 0;
159 m_host_t *slaves = NULL;
160 m_task_t *todo = NULL;
161 int number_of_tasks = 0;
162 double task_comp_size = 0;
163 double task_comm_size = 0;
165 _XBT_GNUC_UNUSED int read;
167 read = sscanf(argv[1], "%d", &number_of_tasks);
168 xbt_assert(read, "Invalid argument %s\n", argv[1]);
169 read = sscanf(argv[2], "%lg", &task_comp_size);
170 xbt_assert(read, "Invalid argument %s\n", argv[2]);
171 read = sscanf(argv[3], "%lg", &task_comm_size);
172 xbt_assert(read, "Invalid argument %s\n", argv[3]);
174 { /* Task creation */
175 char sprintf_buffer[64];
177 todo = xbt_new0(m_task_t, number_of_tasks);
179 for (i = 0; i < number_of_tasks; i++) {
180 sprintf(sprintf_buffer, "Task_%d", i);
182 MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size,
187 { /* Process organisation */
188 slaves_count = argc - 4;
189 slaves = xbt_new0(m_host_t, slaves_count);
191 for (i = 4; i < argc; i++) {
192 slaves[i - 4] = MSG_get_host_by_name(argv[i]);
193 if (slaves[i - 4] == NULL) {
194 XBT_INFO("Unknown host %s. Stopping Now! ", argv[i]);
200 XBT_INFO("Got %d slave(s) :", slaves_count);
201 for (i = 0; i < slaves_count; i++)
202 XBT_INFO("\t %s", MSG_host_get_name(slaves[i]));
204 XBT_INFO("Got %d task to process :", number_of_tasks);
206 for (i = 0; i < number_of_tasks; i++)
207 XBT_INFO("\t\"%s\"", todo[i]->name);
209 for (i = 0; i < number_of_tasks; i++) {
210 XBT_INFO("Sending \"%s\" to \"%s\"",
211 todo[i]->name, MSG_host_get_name(slaves[i % slaves_count]));
212 if (MSG_host_self() == slaves[i % slaves_count]) {
213 XBT_INFO("Hey ! It's me ! :)");
215 MSG_task_send(todo[i], MSG_host_get_name(slaves[i % slaves_count]));
216 XBT_INFO("Send completed");
220 ("All tasks have been dispatched. Let's tell everybody the computation is over.");
221 for (i = 0; i < slaves_count; i++)
222 MSG_task_send(MSG_task_create("finalize", 0, 0, FINALIZE),
223 MSG_host_get_name(slaves[i]));
225 XBT_INFO("Goodbye now!");
229 } /* end_of_master */
231 /** Receiver function */
232 int slave(int argc, char *argv[])
234 XBT_INFO("I'm a slave");
236 m_task_t task = NULL;
238 a = MSG_task_receive(&task, MSG_host_get_name(MSG_host_self()));
240 XBT_INFO("Received \"%s\" ", MSG_task_get_name(task));
241 if (MSG_task_get_data(task) == FINALIZE) {
242 MSG_task_destroy(task);
245 XBT_INFO("Processing \"%s\" ", MSG_task_get_name(task));
246 MSG_task_execute(task);
247 XBT_INFO("\"%s\" done ", MSG_task_get_name(task));
248 MSG_task_destroy(task);
250 XBT_INFO("Hey ?! What's up ? ");
251 xbt_die( "Unexpected behavior");
254 XBT_INFO("I'm done. See you!");
259 MSG_error_t test_all(void)
261 MSG_error_t res = MSG_OK;
263 /* Simulation setting */
264 surf_parse = surf_parse_bypass_platform;
265 MSG_create_environment(NULL);
267 /* Application deployment */
268 MSG_function_register("master", master);
269 MSG_function_register("slave", slave);
270 surf_parse = surf_parse_bypass_application;
271 MSG_launch_application(NULL);
275 XBT_INFO("Simulation time %g", MSG_get_clock());
277 } /* end_of_test_all */
280 int main(int argc, char *argv[])
282 MSG_error_t res = MSG_OK;
284 MSG_global_init(&argc, argv);