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
  28 static int surf_parse_bypass(void)
  29 {
  30   static int AX_ptr;
  31   static int surfxml_bufferstack_size = 2048;
  32
  33   /* allocating memory to the buffer, I think 2MB should be enough */
  34   surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
  35
  36   /* <platform_description> */
  37   SURFXML_BUFFER_RESET();
  38   SURFXML_BUFFER_SET(platform_description_version,"1");
  39
  40   STag_surfxml_platform_description();
  41
  42 /*   <cpu name="Cpu A" power="100000000.00"/> */
  43   SURFXML_BUFFER_RESET();
  44   SURFXML_BUFFER_SET(cpu_name,"Cpu A");
  45   SURFXML_BUFFER_SET(cpu_power, "100000000.00");
  46   SURFXML_BUFFER_SET(cpu_availability, "1.0");
  47   SURFXML_BUFFER_SET(cpu_availability_file, "");
  48   A_surfxml_cpu_state = A_surfxml_cpu_state_ON;
  49   SURFXML_BUFFER_SET(cpu_state_file, "");
  50   SURFXML_BUFFER_SET(cpu_interference_send, "1.0");
  51   SURFXML_BUFFER_SET(cpu_interference_recv, "1.0");
  52   SURFXML_BUFFER_SET(cpu_interference_send_recv, "1.0");
  53   SURFXML_BUFFER_SET(cpu_max_outgoing_rate, "-1.0");
  54
  55   STag_surfxml_cpu();
  56   ETag_surfxml_cpu();
  57
  58 /*   <cpu name="Cpu B" power="100000000.00"/> */
  59   SURFXML_BUFFER_RESET();
  60   SURFXML_BUFFER_SET(cpu_name, "Cpu B");
  61   SURFXML_BUFFER_SET(cpu_power, "100000000.00");
  62   SURFXML_BUFFER_SET(cpu_availability, "1.0");
  63   SURFXML_BUFFER_SET(cpu_availability_file, "");
  64   A_surfxml_cpu_state = A_surfxml_cpu_state_ON;
  65   SURFXML_BUFFER_SET(cpu_state_file, "");
  66   SURFXML_BUFFER_SET(cpu_interference_send, "1.0");
  67   SURFXML_BUFFER_SET(cpu_interference_recv, "1.0");
  68   SURFXML_BUFFER_SET(cpu_interference_send_recv, "1.0");
  69   SURFXML_BUFFER_SET(cpu_max_outgoing_rate, "-1.0");
  70
  71   STag_surfxml_cpu();
  72   ETag_surfxml_cpu();
  73
  74 /*   <network_link name="LinkA" bandwidth="10000000.0" latency="0.2"/> */
  75   SURFXML_BUFFER_RESET();
  76   SURFXML_BUFFER_SET(network_link_name, "LinkA");
  77   SURFXML_BUFFER_SET(network_link_bandwidth, "10000000.0");
  78   SURFXML_BUFFER_SET(network_link_bandwidth_file, "");
  79   SURFXML_BUFFER_SET(network_link_latency, "0.2");
  80   SURFXML_BUFFER_SET(network_link_latency_file, "");
  81   A_surfxml_network_link_state = A_surfxml_network_link_state_ON;
  82   SURFXML_BUFFER_SET(network_link_state_file, "");
  83   A_surfxml_network_link_sharing_policy = A_surfxml_network_link_sharing_policy_SHARED;
  84   STag_surfxml_network_link();
  85   ETag_surfxml_network_link();
  86
  87 /*   <route src="Cpu A" dst="Cpu B"><route_element name="LinkA"/></route> */
  88   SURFXML_BUFFER_RESET();
  89   SURFXML_BUFFER_SET(route_src, "Cpu A");
  90   SURFXML_BUFFER_SET(route_dst, "Cpu B");
  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   STag_surfxml_route();
  97
  98   SURFXML_BUFFER_SET(route_element_name, "LinkA");
  99   STag_surfxml_route_element();
 100   ETag_surfxml_route_element();
 101
 102   ETag_surfxml_route();
 103
 104 /*   <route src="Cpu B" dst="Cpu A"><route_element name="LinkA"/></route> */
 105   SURFXML_BUFFER_RESET();
 106   SURFXML_BUFFER_SET(route_src, "Cpu B");
 107   SURFXML_BUFFER_SET(route_dst, "Cpu A");
 108   SURFXML_BUFFER_SET(route_impact_on_src, "0.0");
 109   SURFXML_BUFFER_SET(route_impact_on_dst, "0.0");
 110   SURFXML_BUFFER_SET(route_impact_on_src_with_other_recv, "0.0");
 111   SURFXML_BUFFER_SET(route_impact_on_dst_with_other_send, "0.0");
 112
 113   STag_surfxml_route();
 114
 115   SURFXML_BUFFER_SET(route_element_name, "LinkA");
 116   STag_surfxml_route_element();
 117   ETag_surfxml_route_element();
 118
 119   ETag_surfxml_route();
 120
 121 /*   <process host="Cpu A" function="master"> */
 122   SURFXML_BUFFER_RESET();
 123   SURFXML_BUFFER_SET(process_host, "Cpu 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   STag_surfxml_process();
 128
 129 /*      <argument value="20"/> */
 130   SURFXML_BUFFER_SET(argument_value, "20");
 131   STag_surfxml_argument();
 132   ETag_surfxml_argument();
 133
 134 /*      <argument value="5000000"/> */
 135   SURFXML_BUFFER_SET(argument_value, "5000000");
 136   STag_surfxml_argument();
 137   ETag_surfxml_argument();
 138
 139 /*      <argument value="100000"/> */
 140   SURFXML_BUFFER_SET(argument_value, "100000");
 141   STag_surfxml_argument();
 142   ETag_surfxml_argument();
 143
 144 /*      <argument value="Cpu B"/> */
 145   SURFXML_BUFFER_SET(argument_value, "Cpu B");
 146   STag_surfxml_argument();
 147   ETag_surfxml_argument();
 148
 149 /*   </process> */
 150   ETag_surfxml_process();
 151
 152 /*   <process host="Cpu B" function="slave"/> */
 153   SURFXML_BUFFER_RESET();
 154   SURFXML_BUFFER_SET(process_host, "Cpu 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   STag_surfxml_process();
 159   ETag_surfxml_process();
 160
 161 /* </platform_description> */
 162   ETag_surfxml_platform_description();
 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 = calloc(number_of_tasks, sizeof(m_task_t));
 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 = calloc(slaves_count, sizeof(m_host_t));
 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   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;
 288     MSG_create_environment(NULL);
 289   }
 290   {                            /*   Application deployment */
 291     MSG_function_register("master", master);
 292     MSG_function_register("slave", slave);
 293     MSG_launch_application(NULL);
 294   }
 295   res = MSG_main();
 296
 297   INFO1("Simulation time %g",MSG_get_clock());
 298   return res;
 299 } /* end_of_test_all */
 300
 301 /** Main function */
 302 int main(int argc, char *argv[])
 303 {
 304   MSG_error_t res = MSG_OK;
 305
 306   MSG_global_init(&argc,argv);
 307   res = test_all();
 308   MSG_clean();
 309
 310   if(res==MSG_OK) return 0;
 311   else return 1;
 312 } /* end_of_main */
 313