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 */
  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 #define SURFXML_BUFFER_SET(key,val) do { \
  19   AX_surfxml_##key=AX_ptr; \
  20   strcpy(A_surfxml_##key,val); \
  21   AX_ptr+=strlen(val)+1; } while(0)
  22
  23 #define SURFXML_BUFFER_RESET() do { \
  24   AX_ptr = 0; \
  25   memset(surfxml_bufferstack,0,surfxml_bufferstack_size); } while(0)
  26
  27 #define STAG(tag)  STag_surfxml_##tag();
  28 #define ETAG(tag)  do { ETag_surfxml_##tag(); SURFXML_BUFFER_RESET(); } while(0)
  29
  30 static int surf_parse_bypass_platform(void)
  31 {
  32   static int AX_ptr;
  33   static int surfxml_bufferstack_size = 2048;
  34
  35   /* allocating memory to the buffer, I think 2MB should be enough */
  36   surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
  37
  38   /* <platform_description> */
  39   SURFXML_BUFFER_SET(platform_description_version,"2");
  40
  41   STAG(platform_description);
  42
  43 /*   <host id="host A" power="100000000.00"/> */
  44   SURFXML_BUFFER_SET(host_id,"host A");
  45   SURFXML_BUFFER_SET(host_power, "100000000.00");
  46   SURFXML_BUFFER_SET(host_availability, "1.0");
  47   SURFXML_BUFFER_SET(host_availability_file, "");
  48   A_surfxml_host_state = A_surfxml_host_state_ON;
  49   SURFXML_BUFFER_SET(host_state_file, "");
  50   SURFXML_BUFFER_SET(host_interference_send, "1.0");
  51   SURFXML_BUFFER_SET(host_interference_recv, "1.0");
  52   SURFXML_BUFFER_SET(host_interference_send_recv, "1.0");
  53   SURFXML_BUFFER_SET(host_max_outgoing_rate, "-1.0");
  54
  55   STAG(host);
  56   ETAG(host);
  57
  58 /*   <host id="host B" power="100000000.00"/> */
  59   SURFXML_BUFFER_SET(host_id, "host B");
  60   SURFXML_BUFFER_SET(host_power, "100000000.00");
  61   SURFXML_BUFFER_SET(host_availability, "1.0");
  62   SURFXML_BUFFER_SET(host_availability_file, "");
  63   A_surfxml_host_state = A_surfxml_host_state_ON;
  64   SURFXML_BUFFER_SET(host_state_file, "");
  65   SURFXML_BUFFER_SET(host_interference_send, "1.0");
  66   SURFXML_BUFFER_SET(host_interference_recv, "1.0");
  67   SURFXML_BUFFER_SET(host_interference_send_recv, "1.0");
  68   SURFXML_BUFFER_SET(host_max_outgoing_rate, "-1.0");
  69
  70   STAG(host);
  71   ETAG(host);
  72
  73 /*   <link id="LinkA" bandwidth="10000000.0" latency="0.2"/> */
  74   SURFXML_BUFFER_SET(link_id, "LinkA");
  75   SURFXML_BUFFER_SET(link_bandwidth, "10000000.0");
  76   SURFXML_BUFFER_SET(link_bandwidth_file, "");
  77   SURFXML_BUFFER_SET(link_latency, "0.2");
  78   SURFXML_BUFFER_SET(link_latency_file, "");
  79   A_surfxml_link_state = A_surfxml_link_state_ON;
  80   SURFXML_BUFFER_SET(link_state_file, "");
  81   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
  82   STAG(link);
  83   ETAG(link);
  84
  85 /*   <route src="host A" dst="host B"><link:ctn id="LinkA"/></route> */
  86   SURFXML_BUFFER_SET(route_src, "host A");
  87   SURFXML_BUFFER_SET(route_dst, "host B");
  88   SURFXML_BUFFER_SET(route_impact_on_src, "0.0");
  89   SURFXML_BUFFER_SET(route_impact_on_dst, "0.0");
  90   SURFXML_BUFFER_SET(route_impact_on_src_with_other_recv, "0.0");
  91   SURFXML_BUFFER_SET(route_impact_on_dst_with_other_send, "0.0");
  92
  93   STAG(route);
  94
  95   SURFXML_BUFFER_SET(link_c_ctn_id, "LinkA");
  96   STAG(link_c_ctn);
  97   ETAG(link_c_ctn);
  98
  99   ETAG(route);
 100
 101 /*   <route src="host B" dst="host A"><link:ctn id="LinkA"/></route> */
 102   SURFXML_BUFFER_SET(route_src, "host B");
 103   SURFXML_BUFFER_SET(route_dst, "host A");
 104   SURFXML_BUFFER_SET(route_impact_on_src, "0.0");
 105   SURFXML_BUFFER_SET(route_impact_on_dst, "0.0");
 106   SURFXML_BUFFER_SET(route_impact_on_src_with_other_recv, "0.0");
 107   SURFXML_BUFFER_SET(route_impact_on_dst_with_other_send, "0.0");
 108
 109   STAG(route);
 110
 111   SURFXML_BUFFER_SET(link_c_ctn_id, "LinkA");
 112   STAG(link_c_ctn);
 113   ETAG(link_c_ctn);
 114
 115   ETAG(route);
 116 /* </platform_description> */
 117   ETAG(platform_description);
 118
 119   free(surfxml_bufferstack);
 120   return 0;
 121 }
 122
 123 static int surf_parse_bypass_application(void) {
 124   static int AX_ptr;
 125   static int surfxml_bufferstack_size = 2048;
 126
 127   /* allocating memory to the buffer, I think 2MB should be enough */
 128   surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
 129
 130   /* <platform_description> */
 131   SURFXML_BUFFER_SET(platform_description_version,"2");
 132
 133   STAG(platform_description);
 134
 135 /*   <process host="host A" function="master"> */
 136   SURFXML_BUFFER_SET(process_host, "host A");
 137   SURFXML_BUFFER_SET(process_function, "master");
 138   SURFXML_BUFFER_SET(process_start_time, "-1.0");
 139   SURFXML_BUFFER_SET(process_kill_time, "-1.0");
 140   STAG(process);
 141
 142 /*      <argument value="20"/> */
 143   SURFXML_BUFFER_SET(argument_value, "20");
 144   STAG(argument);
 145   ETAG(argument);
 146
 147 /*      <argument value="5000000"/> */
 148   SURFXML_BUFFER_SET(argument_value, "5000000");
 149   STAG(argument);
 150   ETAG(argument);
 151
 152 /*      <argument value="100000"/> */
 153   SURFXML_BUFFER_SET(argument_value, "100000");
 154   STAG(argument);
 155   ETAG(argument);
 156
 157 /*      <argument value="host B"/> */
 158   SURFXML_BUFFER_SET(argument_value, "host B");
 159   STAG(argument);
 160   ETAG(argument);
 161
 162 /*   </process> */
 163   ETAG(process);
 164
 165 /*   <process host="host B" function="slave"/> */
 166   SURFXML_BUFFER_SET(process_host, "host B");
 167   SURFXML_BUFFER_SET(process_function, "slave");
 168   SURFXML_BUFFER_SET(process_start_time, "-1.0");
 169   SURFXML_BUFFER_SET(process_kill_time, "-1.0");
 170   STAG(process);
 171   ETAG(process);
 172
 173 /* </platform_description> */
 174   ETAG(platform_description);
 175
 176   free(surfxml_bufferstack);
 177   return 0;
 178 }
 179
 180 int master(int argc, char *argv[]);
 181 int slave(int argc, char *argv[]);
 182 MSG_error_t test_all(void);
 183
 184 typedef enum {
 185   PORT_22 = 0,
 186   MAX_CHANNEL
 187 } channel_t;
 188
 189 /** Emitter function  */
 190 int master(int argc, char *argv[])
 191 {
 192   int slaves_count = 0;
 193   m_host_t *slaves = NULL;
 194   m_task_t *todo = NULL;
 195   int number_of_tasks = 0;
 196   double task_comp_size = 0;
 197   double task_comm_size = 0;
 198
 199
 200   int i;
 201
 202   xbt_assert1(sscanf(argv[1],"%d", &number_of_tasks),
 203          "Invalid argument %s\n",argv[1]);
 204   xbt_assert1(sscanf(argv[2],"%lg", &task_comp_size),
 205          "Invalid argument %s\n",argv[2]);
 206   xbt_assert1(sscanf(argv[3],"%lg", &task_comm_size),
 207          "Invalid argument %s\n",argv[3]);
 208
 209   {                  /*  Task creation */
 210     char sprintf_buffer[64];
 211
 212     todo = calloc(number_of_tasks, sizeof(m_task_t));
 213
 214     for (i = 0; i < number_of_tasks; i++) {
 215       sprintf(sprintf_buffer, "Task_%d", i);
 216       todo[i] = MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size, NULL);
 217     }
 218   }
 219
 220   {                  /* Process organisation */
 221     slaves_count = argc - 4;
 222     slaves = calloc(slaves_count, sizeof(m_host_t));
 223
 224     for (i = 4; i < argc; i++) {
 225       slaves[i-4] = MSG_get_host_by_name(argv[i]);
 226       if(slaves[i-4]==NULL) {
 227         INFO1("Unknown host %s. Stopping Now! ", argv[i]);
 228         abort();
 229       }
 230     }
 231   }
 232
 233   INFO1("Got %d slave(s) :", slaves_count);
 234   for (i = 0; i < slaves_count; i++)
 235     INFO1("\t %s", slaves[i]->name);
 236
 237   INFO1("Got %d task to process :", number_of_tasks);
 238
 239   for (i = 0; i < number_of_tasks; i++)
 240     INFO1("\t\"%s\"", todo[i]->name);
 241
 242   for (i = 0; i < number_of_tasks; i++) {
 243     INFO2("Sending \"%s\" to \"%s\"",
 244                   todo[i]->name,
 245                   slaves[i % slaves_count]->name);
 246     if(MSG_host_self()==slaves[i % slaves_count]) {
 247       INFO0("Hey ! It's me ! :)");
 248     }
 249     MSG_task_put(todo[i], slaves[i % slaves_count],
 250                  PORT_22);
 251     INFO0("Send completed");
 252   }
 253
 254   INFO0("All tasks have been dispatched. Let's tell everybody the computation is over.");
 255   for (i = 0; i < slaves_count; i++)
 256     MSG_task_put(MSG_task_create("finalize", 0, 0, FINALIZE),
 257                  slaves[i], PORT_22);
 258
 259   INFO0("Goodbye now!");
 260   free(slaves);
 261   free(todo);
 262   return 0;
 263 } /* end_of_master */
 264
 265 /** Receiver function  */
 266 int slave(int argc, char *argv[])
 267 {
 268   INFO0("I'm a slave");
 269   while(1) {
 270     m_task_t task = NULL;
 271     int a;
 272     a = MSG_task_get(&(task), PORT_22);
 273     if (a == MSG_OK) {
 274       INFO1("Received \"%s\" ", MSG_task_get_name(task));
 275       if(MSG_task_get_data(task)==FINALIZE) {
 276         MSG_task_destroy(task);
 277         break;
 278       }
 279       INFO1("Processing \"%s\" ", MSG_task_get_name(task));
 280       MSG_task_execute(task);
 281       INFO1("\"%s\" done ", MSG_task_get_name(task));
 282       MSG_task_destroy(task);
 283     } else {
 284       INFO0("Hey ?! What's up ? ");
 285       xbt_assert0(0,"Unexpected behavior");
 286     }
 287   }
 288   INFO0("I'm done. See you!");
 289   return 0;
 290 } /* end_of_slave */
 291
 292 /** Test function */
 293 MSG_error_t test_all(void)
 294 {
 295   MSG_error_t res = MSG_OK;
 296
 297    /*  Simulation setting */
 298    MSG_set_channel_number(MAX_CHANNEL);
 299    MSG_paje_output("msg_test.trace");
 300    surf_parse = surf_parse_bypass_platform;
 301    MSG_create_environment(NULL);
 302
 303    /*   Application deployment */
 304    MSG_function_register("master", master);
 305    MSG_function_register("slave", slave);
 306    surf_parse = surf_parse_bypass_application;
 307    MSG_launch_application(NULL);
 308
 309    res = MSG_main();
 310
 311   INFO1("Simulation time %g",MSG_get_clock());
 312   return res;
 313 } /* end_of_test_all */
 314
 315 /** Main function */
 316 int main(int argc, char *argv[])
 317 {
 318   MSG_error_t res = MSG_OK;
 319
 320   MSG_global_init(&argc,argv);
 321   res = test_all();
 322   MSG_clean();
 323
 324   if(res==MSG_OK) return 0;
 325   else return 1;
 326 } /* end_of_main */
 327