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(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,"1");
  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
 117 /*   <process host="host A" function="master"> */
 118   SURFXML_BUFFER_SET(process_host, "host A");
 119   SURFXML_BUFFER_SET(process_function, "master");
 120   SURFXML_BUFFER_SET(process_start_time, "-1.0");
 121   SURFXML_BUFFER_SET(process_kill_time, "-1.0");
 122   STAG(process);
 123
 124 /*      <argument value="20"/> */
 125   SURFXML_BUFFER_SET(argument_value, "20");
 126   STAG(argument);
 127   ETAG(argument);
 128
 129 /*      <argument value="5000000"/> */
 130   SURFXML_BUFFER_SET(argument_value, "5000000");
 131   STAG(argument);
 132   ETAG(argument);
 133
 134 /*      <argument value="100000"/> */
 135   SURFXML_BUFFER_SET(argument_value, "100000");
 136   STAG(argument);
 137   ETAG(argument);
 138
 139 /*      <argument value="host B"/> */
 140   SURFXML_BUFFER_SET(argument_value, "host B");
 141   STAG(argument);
 142   ETAG(argument);
 143
 144 /*   </process> */
 145   ETAG(process);
 146
 147 /*   <process host="host B" function="slave"/> */
 148   SURFXML_BUFFER_SET(process_host, "host B");
 149   SURFXML_BUFFER_SET(process_function, "slave");
 150   SURFXML_BUFFER_SET(process_start_time, "-1.0");
 151   SURFXML_BUFFER_SET(process_kill_time, "-1.0");
 152   STAG(process);
 153   ETAG(process);
 154
 155 /* </platform_description> */
 156   ETAG(platform_description);
 157
 158   free(surfxml_bufferstack);
 159   return 0;
 160 }
 161
 162 int master(int argc, char *argv[]);
 163 int slave(int argc, char *argv[]);
 164 MSG_error_t test_all(void);
 165
 166 typedef enum {
 167   PORT_22 = 0,
 168   MAX_CHANNEL
 169 } channel_t;
 170
 171 /** Emitter function  */
 172 int master(int argc, char *argv[])
 173 {
 174   int slaves_count = 0;
 175   m_host_t *slaves = NULL;
 176   m_task_t *todo = NULL;
 177   int number_of_tasks = 0;
 178   double task_comp_size = 0;
 179   double task_comm_size = 0;
 180
 181
 182   int i;
 183
 184   xbt_assert1(sscanf(argv[1],"%d", &number_of_tasks),
 185          "Invalid argument %s\n",argv[1]);
 186   xbt_assert1(sscanf(argv[2],"%lg", &task_comp_size),
 187          "Invalid argument %s\n",argv[2]);
 188   xbt_assert1(sscanf(argv[3],"%lg", &task_comm_size),
 189          "Invalid argument %s\n",argv[3]);
 190
 191   {                  /*  Task creation */
 192     char sprintf_buffer[64];
 193
 194     todo = calloc(number_of_tasks, sizeof(m_task_t));
 195
 196     for (i = 0; i < number_of_tasks; i++) {
 197       sprintf(sprintf_buffer, "Task_%d", i);
 198       todo[i] = MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size, NULL);
 199     }
 200   }
 201
 202   {                  /* Process organisation */
 203     slaves_count = argc - 4;
 204     slaves = calloc(slaves_count, sizeof(m_host_t));
 205
 206     for (i = 4; i < argc; i++) {
 207       slaves[i-4] = MSG_get_host_by_name(argv[i]);
 208       if(slaves[i-4]==NULL) {
 209         INFO1("Unknown host %s. Stopping Now! ", argv[i]);
 210         abort();
 211       }
 212     }
 213   }
 214
 215   INFO1("Got %d slave(s) :", slaves_count);
 216   for (i = 0; i < slaves_count; i++)
 217     INFO1("\t %s", slaves[i]->name);
 218
 219   INFO1("Got %d task to process :", number_of_tasks);
 220
 221   for (i = 0; i < number_of_tasks; i++)
 222     INFO1("\t\"%s\"", todo[i]->name);
 223
 224   for (i = 0; i < number_of_tasks; i++) {
 225     INFO2("Sending \"%s\" to \"%s\"",
 226                   todo[i]->name,
 227                   slaves[i % slaves_count]->name);
 228     if(MSG_host_self()==slaves[i % slaves_count]) {
 229       INFO0("Hey ! It's me ! :)");
 230     }
 231     MSG_task_put(todo[i], slaves[i % slaves_count],
 232                  PORT_22);
 233     INFO0("Send completed");
 234   }
 235
 236   INFO0("All tasks have been dispatched. Let's tell everybody the computation is over.");
 237   for (i = 0; i < slaves_count; i++)
 238     MSG_task_put(MSG_task_create("finalize", 0, 0, FINALIZE),
 239                  slaves[i], PORT_22);
 240
 241   INFO0("Goodbye now!");
 242   free(slaves);
 243   free(todo);
 244   return 0;
 245 } /* end_of_master */
 246
 247 /** Receiver function  */
 248 int slave(int argc, char *argv[])
 249 {
 250   while(1) {
 251     m_task_t task = NULL;
 252     int a;
 253     a = MSG_task_get(&(task), PORT_22);
 254     if (a == MSG_OK) {
 255       INFO1("Received \"%s\" ", MSG_task_get_name(task));
 256       if(MSG_task_get_data(task)==FINALIZE) {
 257         MSG_task_destroy(task);
 258         break;
 259       }
 260       INFO1("Processing \"%s\" ", MSG_task_get_name(task));
 261       MSG_task_execute(task);
 262       INFO1("\"%s\" done ", MSG_task_get_name(task));
 263       MSG_task_destroy(task);
 264     } else {
 265       INFO0("Hey ?! What's up ? ");
 266       xbt_assert0(0,"Unexpected behavior");
 267     }
 268   }
 269   INFO0("I'm done. See you!");
 270   return 0;
 271 } /* end_of_slave */
 272
 273 /** Test function */
 274 MSG_error_t test_all(void)
 275 {
 276   MSG_error_t res = MSG_OK;
 277
 278   {                             /*  Simulation setting */
 279     MSG_set_channel_number(MAX_CHANNEL);
 280     MSG_paje_output("msg_test.trace");
 281     surf_parse = surf_parse_bypass;
 282     MSG_create_environment(NULL);
 283   }
 284   {                            /*   Application deployment */
 285     MSG_function_register("master", master);
 286     MSG_function_register("slave", slave);
 287     MSG_launch_application(NULL);
 288   }
 289   res = MSG_main();
 290
 291   INFO1("Simulation time %g",MSG_get_clock());
 292   return res;
 293 } /* end_of_test_all */
 294
 295 /** Main function */
 296 int main(int argc, char *argv[])
 297 {
 298   MSG_error_t res = MSG_OK;
 299
 300   MSG_global_init(&argc,argv);
 301   res = test_all();
 302   MSG_clean();
 303
 304   if(res==MSG_OK) return 0;
 305   else return 1;
 306 } /* end_of_main */
 307