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Usage of xbt_new0 instead calloc
[simgrid.git] / examples / msg / masterslave / masterslave_bypass.c
1 /*      $Id$     */
2
3 /* Copyright (c) 2002,2003,2004 Arnaud Legrand. All rights reserved.        */
4
5 /* This program is free software; you can redistribute it and/or modify it
6  * under the terms of the license (GNU LGPL) which comes with this package. */
7
8 #include <stdio.h>
9 #include "msg/msg.h"  /* Yeah! If you want to use msg, you need to include msg/msg.h */
10 #include "surf/surfxml_parse.h" /* to override surf_parse and bypass the parser */
11 #include "surf/surfxml.h"       /* to hijack surf_parse_lex */
12
13 /* Create a log channel to have nice outputs. */
14 #include "xbt/log.h"
15 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,"Messages specific for this msg example");
16 #define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
17
18 static int surf_parse_bypass_platform(void)
19 {
20   static int AX_ptr = 0;
21   static int surfxml_bufferstack_size = 2048;
22
23   /* allocating memory for the buffer, I think 2kB should be enough */
24   surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
25   
26   /* <platform> */
27   SURFXML_BUFFER_SET(platform_version,"2");
28
29   SURFXML_START_TAG(platform);
30
31 /*   <host id="host A" power="100000000.00"/> */
32   SURFXML_BUFFER_SET(host_id,"host A");
33   SURFXML_BUFFER_SET(host_power, "100000000.00");
34   SURFXML_BUFFER_SET(host_availability, "1.0");
35   SURFXML_BUFFER_SET(host_availability_file, "");
36   A_surfxml_host_state = A_surfxml_host_state_ON;
37   SURFXML_BUFFER_SET(host_state_file, "");
38   SURFXML_BUFFER_SET(host_interference_send, "1.0");
39   SURFXML_BUFFER_SET(host_interference_recv, "1.0");
40   SURFXML_BUFFER_SET(host_interference_send_recv, "1.0");
41   SURFXML_BUFFER_SET(host_max_outgoing_rate, "-1.0");
42
43   SURFXML_START_TAG(host);
44   SURFXML_END_TAG(host);
45
46 /*   <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   A_surfxml_host_state = A_surfxml_host_state_ON;
52   SURFXML_BUFFER_SET(host_state_file, "");
53   SURFXML_BUFFER_SET(host_interference_send, "1.0");
54   SURFXML_BUFFER_SET(host_interference_recv, "1.0");
55   SURFXML_BUFFER_SET(host_interference_send_recv, "1.0");
56   SURFXML_BUFFER_SET(host_max_outgoing_rate, "-1.0");
57
58   SURFXML_START_TAG(host);
59   SURFXML_END_TAG(host);
60
61 /*   <link id="LinkA" bandwidth="10000000.0" latency="0.2"/> */
62   SURFXML_BUFFER_SET(link_id, "LinkA");
63   SURFXML_BUFFER_SET(link_bandwidth, "10000000.0");
64   SURFXML_BUFFER_SET(link_bandwidth_file, "");
65   SURFXML_BUFFER_SET(link_latency, "0.2");
66   SURFXML_BUFFER_SET(link_latency_file, "");
67   A_surfxml_link_state = A_surfxml_link_state_ON;
68   SURFXML_BUFFER_SET(link_state_file, "");
69   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
70   SURFXML_START_TAG(link);
71   SURFXML_END_TAG(link);
72
73 /*   <route src="host A" dst="host B"><link:ctn id="LinkA"/></route> */
74   SURFXML_BUFFER_SET(route_src, "host A");
75   SURFXML_BUFFER_SET(route_dst, "host B");
76   SURFXML_BUFFER_SET(route_impact_on_src, "0.0");
77   SURFXML_BUFFER_SET(route_impact_on_dst, "0.0");
78   SURFXML_BUFFER_SET(route_impact_on_src_with_other_recv, "0.0");
79   SURFXML_BUFFER_SET(route_impact_on_dst_with_other_send, "0.0");
80
81   SURFXML_START_TAG(route);
82
83   SURFXML_BUFFER_SET(link_c_ctn_id, "LinkA");
84   SURFXML_START_TAG(link_c_ctn);
85   SURFXML_END_TAG(link_c_ctn);
86
87   SURFXML_END_TAG(route);
88
89 /*   <route src="host B" dst="host A"><link:ctn id="LinkA"/></route> */
90   SURFXML_BUFFER_SET(route_src, "host B");
91   SURFXML_BUFFER_SET(route_dst, "host A");
92   SURFXML_BUFFER_SET(route_impact_on_src, "0.0");
93   SURFXML_BUFFER_SET(route_impact_on_dst, "0.0");
94   SURFXML_BUFFER_SET(route_impact_on_src_with_other_recv, "0.0");
95   SURFXML_BUFFER_SET(route_impact_on_dst_with_other_send, "0.0");
96
97   SURFXML_START_TAG(route);
98
99   SURFXML_BUFFER_SET(link_c_ctn_id, "LinkA");
100   SURFXML_START_TAG(link_c_ctn);
101   SURFXML_END_TAG(link_c_ctn);
102
103   SURFXML_END_TAG(route);
104 /* </platform> */
105   SURFXML_END_TAG(platform);
106
107   free(surfxml_bufferstack);
108   return 0;
109 }
110
111 static int surf_parse_bypass_application(void) {   
112   static int AX_ptr;
113   static int surfxml_bufferstack_size = 2048;
114
115   /* allocating memory to the buffer, I think 2MB should be enough */
116   surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
117   
118   /* <platform> */
119   SURFXML_BUFFER_SET(platform_version,"2");
120
121   SURFXML_START_TAG(platform);
122    
123 /*   <process host="host A" function="master"> */
124   SURFXML_BUFFER_SET(process_host, "host A");
125   SURFXML_BUFFER_SET(process_function, "master");
126   SURFXML_BUFFER_SET(process_start_time, "-1.0");
127   SURFXML_BUFFER_SET(process_kill_time, "-1.0");
128   SURFXML_START_TAG(process);
129
130 /*      <argument value="20"/> */
131   SURFXML_BUFFER_SET(argument_value, "20");
132   SURFXML_START_TAG(argument);
133   SURFXML_END_TAG(argument);
134
135 /*      <argument value="5000000"/> */
136   SURFXML_BUFFER_SET(argument_value, "5000000");
137   SURFXML_START_TAG(argument);
138   SURFXML_END_TAG(argument);
139
140 /*      <argument value="100000"/> */
141   SURFXML_BUFFER_SET(argument_value, "100000");
142   SURFXML_START_TAG(argument);
143   SURFXML_END_TAG(argument);
144
145 /*      <argument value="host B"/> */
146   SURFXML_BUFFER_SET(argument_value, "host B");
147   SURFXML_START_TAG(argument);
148   SURFXML_END_TAG(argument);
149
150 /*   </process> */
151   SURFXML_END_TAG(process);
152
153 /*   <process host="host B" function="slave"/> */
154   SURFXML_BUFFER_SET(process_host, "host B");
155   SURFXML_BUFFER_SET(process_function, "slave");
156   SURFXML_BUFFER_SET(process_start_time, "-1.0");
157   SURFXML_BUFFER_SET(process_kill_time, "-1.0");
158   SURFXML_START_TAG(process);
159   SURFXML_END_TAG(process);
160
161 /* </platform> */
162   SURFXML_END_TAG(platform);
163
164   free(surfxml_bufferstack);
165   return 0;
166 }
167
168 int master(int argc, char *argv[]);
169 int slave(int argc, char *argv[]);
170 MSG_error_t test_all(void);
171
172 typedef enum {
173   PORT_22 = 0,
174   MAX_CHANNEL
175 } channel_t;
176
177 /** Emitter function  */
178 int master(int argc, char *argv[])
179 {
180   int slaves_count = 0;
181   m_host_t *slaves = NULL;
182   m_task_t *todo = NULL;
183   int number_of_tasks = 0;
184   double task_comp_size = 0;
185   double task_comm_size = 0;
186
187
188   int i;
189
190   xbt_assert1(sscanf(argv[1],"%d", &number_of_tasks),
191          "Invalid argument %s\n",argv[1]);
192   xbt_assert1(sscanf(argv[2],"%lg", &task_comp_size),
193          "Invalid argument %s\n",argv[2]);
194   xbt_assert1(sscanf(argv[3],"%lg", &task_comm_size),
195          "Invalid argument %s\n",argv[3]);
196
197   {                  /*  Task creation */
198     char sprintf_buffer[64];
199
200     todo = xbt_new0(m_task_t,number_of_tasks);
201
202     for (i = 0; i < number_of_tasks; i++) {
203       sprintf(sprintf_buffer, "Task_%d", i);
204       todo[i] = MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size, NULL);
205     }
206   }
207
208   {                  /* Process organisation */
209     slaves_count = argc - 4;
210     slaves = xbt_new0(m_host_t,slaves_count);
211     
212     for (i = 4; i < argc; i++) {
213       slaves[i-4] = MSG_get_host_by_name(argv[i]);
214       if(slaves[i-4]==NULL) {
215         INFO1("Unknown host %s. Stopping Now! ", argv[i]);
216         abort();
217       }
218     }
219   }
220
221   INFO1("Got %d slave(s) :", slaves_count);
222   for (i = 0; i < slaves_count; i++)
223     INFO1("\t %s", slaves[i]->name);
224
225   INFO1("Got %d task to process :", number_of_tasks);
226
227   for (i = 0; i < number_of_tasks; i++)
228     INFO1("\t\"%s\"", todo[i]->name);
229
230   for (i = 0; i < number_of_tasks; i++) {
231     INFO2("Sending \"%s\" to \"%s\"",
232                   todo[i]->name,
233                   slaves[i % slaves_count]->name);
234     if(MSG_host_self()==slaves[i % slaves_count]) {
235       INFO0("Hey ! It's me ! :)");
236     }
237     MSG_task_put(todo[i], slaves[i % slaves_count],
238                  PORT_22);
239     INFO0("Send completed");
240   }
241   
242   INFO0("All tasks have been dispatched. Let's tell everybody the computation is over.");
243   for (i = 0; i < slaves_count; i++) 
244     MSG_task_put(MSG_task_create("finalize", 0, 0, FINALIZE),
245                  slaves[i], PORT_22);
246   
247   INFO0("Goodbye now!");
248   free(slaves);
249   free(todo);
250   return 0;
251 } /* end_of_master */
252
253 /** Receiver function  */
254 int slave(int argc, char *argv[])
255 {
256   INFO0("I'm a slave");
257   while(1) {
258     m_task_t task = NULL;
259     int a;
260     a = MSG_task_get(&(task), PORT_22);
261     if (a == MSG_OK) {
262       INFO1("Received \"%s\" ", MSG_task_get_name(task));
263       if(MSG_task_get_data(task)==FINALIZE) {
264         MSG_task_destroy(task);
265         break;
266       }
267       INFO1("Processing \"%s\" ", MSG_task_get_name(task));
268       MSG_task_execute(task);
269       INFO1("\"%s\" done ", MSG_task_get_name(task));
270       MSG_task_destroy(task);
271     } else {
272       INFO0("Hey ?! What's up ? ");
273       xbt_assert0(0,"Unexpected behavior");
274     }
275   }
276   INFO0("I'm done. See you!");
277   return 0;
278 } /* end_of_slave */
279
280 /** Test function */
281 MSG_error_t test_all(void)
282 {
283   MSG_error_t res = MSG_OK;
284
285    /*  Simulation setting */
286    MSG_set_channel_number(MAX_CHANNEL);
287    MSG_paje_output("msg_test.trace");
288    surf_parse = surf_parse_bypass_platform;
289    MSG_create_environment(NULL);
290   
291    /*   Application deployment */
292    MSG_function_register("master", master);
293    MSG_function_register("slave", slave);
294    surf_parse = surf_parse_bypass_application;
295    MSG_launch_application(NULL);
296    
297    res = MSG_main();
298   
299   INFO1("Simulation time %g",MSG_get_clock());
300   return res;
301 } /* end_of_test_all */
302
303 /** Main function */
304 int main(int argc, char *argv[])
305 {
306   MSG_error_t res = MSG_OK;
307
308   MSG_global_init(&argc,argv);
309   res = test_all();
310   MSG_clean();
311
312   if(res==MSG_OK) return 0; 
313   else return 1;
314 } /* end_of_main */
315