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,
  15                              "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 {
 113   static int AX_ptr;
 114   static int surfxml_bufferstack_size = 2048;
 115
 116   /* allocating memory to the buffer, I think 2MB should be enough */
 117   surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
 118
 119   /* <platform> */
 120   SURFXML_BUFFER_SET(platform_version, "2");
 121
 122   SURFXML_START_TAG(platform);
 123
 124 /*   <process host="host A" function="master"> */
 125   SURFXML_BUFFER_SET(process_host, "host A");
 126   SURFXML_BUFFER_SET(process_function, "master");
 127   SURFXML_BUFFER_SET(process_start_time, "-1.0");
 128   SURFXML_BUFFER_SET(process_kill_time, "-1.0");
 129   SURFXML_START_TAG(process);
 130
 131 /*      <argument value="20"/> */
 132   SURFXML_BUFFER_SET(argument_value, "20");
 133   SURFXML_START_TAG(argument);
 134   SURFXML_END_TAG(argument);
 135
 136 /*      <argument value="5000000"/> */
 137   SURFXML_BUFFER_SET(argument_value, "5000000");
 138   SURFXML_START_TAG(argument);
 139   SURFXML_END_TAG(argument);
 140
 141 /*      <argument value="100000"/> */
 142   SURFXML_BUFFER_SET(argument_value, "100000");
 143   SURFXML_START_TAG(argument);
 144   SURFXML_END_TAG(argument);
 145
 146 /*      <argument value="host B"/> */
 147   SURFXML_BUFFER_SET(argument_value, "host B");
 148   SURFXML_START_TAG(argument);
 149   SURFXML_END_TAG(argument);
 150
 151 /*   </process> */
 152   SURFXML_END_TAG(process);
 153
 154 /*   <process host="host B" function="slave"/> */
 155   SURFXML_BUFFER_SET(process_host, "host B");
 156   SURFXML_BUFFER_SET(process_function, "slave");
 157   SURFXML_BUFFER_SET(process_start_time, "-1.0");
 158   SURFXML_BUFFER_SET(process_kill_time, "-1.0");
 159   SURFXML_START_TAG(process);
 160   SURFXML_END_TAG(process);
 161
 162 /* </platform> */
 163   SURFXML_END_TAG(platform);
 164
 165   free(surfxml_bufferstack);
 166   return 0;
 167 }
 168
 169 int master(int argc, char *argv[]);
 170 int slave(int argc, char *argv[]);
 171 MSG_error_t test_all(void);
 172
 173 typedef enum {
 174   PORT_22 = 0,
 175   MAX_CHANNEL
 176 } channel_t;
 177
 178 /** Emitter function  */
 179 int master(int argc, char *argv[])
 180 {
 181   int slaves_count = 0;
 182   m_host_t *slaves = NULL;
 183   m_task_t *todo = NULL;
 184   int number_of_tasks = 0;
 185   double task_comp_size = 0;
 186   double task_comm_size = 0;
 187
 188
 189   int i;
 190
 191   xbt_assert1(sscanf(argv[1], "%d", &number_of_tasks),
 192               "Invalid argument %s\n", argv[1]);
 193   xbt_assert1(sscanf(argv[2], "%lg", &task_comp_size),
 194               "Invalid argument %s\n", argv[2]);
 195   xbt_assert1(sscanf(argv[3], "%lg", &task_comm_size),
 196               "Invalid argument %s\n", argv[3]);
 197
 198   {                             /*  Task creation */
 199     char sprintf_buffer[64];
 200
 201     todo = xbt_new0(m_task_t, number_of_tasks);
 202
 203     for (i = 0; i < number_of_tasks; i++) {
 204       sprintf(sprintf_buffer, "Task_%d", i);
 205       todo[i] =
 206         MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size, NULL);
 207     }
 208   }
 209
 210   {                             /* Process organisation */
 211     slaves_count = argc - 4;
 212     slaves = xbt_new0(m_host_t, slaves_count);
 213
 214     for (i = 4; i < argc; i++) {
 215       slaves[i - 4] = MSG_get_host_by_name(argv[i]);
 216       if (slaves[i - 4] == NULL) {
 217         INFO1("Unknown host %s. Stopping Now! ", argv[i]);
 218         abort();
 219       }
 220     }
 221   }
 222
 223   INFO1("Got %d slave(s) :", slaves_count);
 224   for (i = 0; i < slaves_count; i++)
 225     INFO1("\t %s", slaves[i]->name);
 226
 227   INFO1("Got %d task to process :", number_of_tasks);
 228
 229   for (i = 0; i < number_of_tasks; i++)
 230     INFO1("\t\"%s\"", todo[i]->name);
 231
 232   for (i = 0; i < number_of_tasks; i++) {
 233     INFO2("Sending \"%s\" to \"%s\"",
 234           todo[i]->name, slaves[i % slaves_count]->name);
 235     if (MSG_host_self() == slaves[i % slaves_count]) {
 236       INFO0("Hey ! It's me ! :)");
 237     }
 238     MSG_task_put(todo[i], slaves[i % slaves_count], PORT_22);
 239     INFO0("Send completed");
 240   }
 241
 242   INFO0
 243     ("All tasks have been dispatched. Let's tell everybody the computation is over.");
 244   for (i = 0; i < slaves_count; i++)
 245     MSG_task_put(MSG_task_create("finalize", 0, 0, FINALIZE),
 246                  slaves[i], PORT_22);
 247
 248   INFO0("Goodbye now!");
 249   free(slaves);
 250   free(todo);
 251   return 0;
 252 }                               /* end_of_master */
 253
 254 /** Receiver function  */
 255 int slave(int argc, char *argv[])
 256 {
 257   INFO0("I'm a slave");
 258   while (1) {
 259     m_task_t task = NULL;
 260     int a;
 261     a = MSG_task_get(&(task), PORT_22);
 262     if (a == MSG_OK) {
 263       INFO1("Received \"%s\" ", MSG_task_get_name(task));
 264       if (MSG_task_get_data(task) == FINALIZE) {
 265         MSG_task_destroy(task);
 266         break;
 267       }
 268       INFO1("Processing \"%s\" ", MSG_task_get_name(task));
 269       MSG_task_execute(task);
 270       INFO1("\"%s\" done ", MSG_task_get_name(task));
 271       MSG_task_destroy(task);
 272     } else {
 273       INFO0("Hey ?! What's up ? ");
 274       xbt_assert0(0, "Unexpected behavior");
 275     }
 276   }
 277   INFO0("I'm done. See you!");
 278   return 0;
 279 }                               /* end_of_slave */
 280
 281 /** Test function */
 282 MSG_error_t test_all(void)
 283 {
 284   MSG_error_t res = MSG_OK;
 285
 286   /*  Simulation setting */
 287   MSG_set_channel_number(MAX_CHANNEL);
 288   MSG_paje_output("msg_test.trace");
 289   surf_parse = surf_parse_bypass_platform;
 290   MSG_create_environment(NULL);
 291
 292   /*   Application deployment */
 293   MSG_function_register("master", master);
 294   MSG_function_register("slave", slave);
 295   surf_parse = surf_parse_bypass_application;
 296   MSG_launch_application(NULL);
 297
 298   res = MSG_main();
 299
 300   INFO1("Simulation time %g", MSG_get_clock());
 301   return res;
 302 }                               /* end_of_test_all */
 303
 304 /** Main function */
 305 int main(int argc, char *argv[])
 306 {
 307   MSG_error_t res = MSG_OK;
 308
 309   MSG_global_init(&argc, argv);
 310   res = test_all();
 311   MSG_clean();
 312
 313   if (res == MSG_OK)
 314     return 0;
 315   else
 316     return 1;
 317 }                               /* end_of_main */