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