teshsuite/surf/surf_usage/surf_usage.c

   1 /* A few basic tests for the surf library                                   */
   2
   3 /* Copyright (c) 2004-2015. The SimGrid Team.
   4  * All rights reserved.                                                     */
   5
   6 /* This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the license (GNU LGPL) which comes with this package. */
   8
   9 #include <stdio.h>
  10 #include "simgrid/sg_config.h"
  11 #include "surf/surf.h"
  12 #include "surf/surfxml_parse.h" // for reset callback
  13
  14 #include "xbt/log.h"
  15 XBT_LOG_NEW_DEFAULT_CATEGORY(surf_test,
  16                              "Messages specific for surf example");
  17
  18 const char *string_action(e_surf_action_state_t state);
  19 const char *string_action(e_surf_action_state_t state)
  20 {
  21   switch (state) {
  22   case (SURF_ACTION_READY):
  23     return "SURF_ACTION_READY";
  24   case (SURF_ACTION_RUNNING):
  25     return "SURF_ACTION_RUNNING";
  26   case (SURF_ACTION_FAILED):
  27     return "SURF_ACTION_FAILED";
  28   case (SURF_ACTION_DONE):
  29     return "SURF_ACTION_DONE";
  30   case (SURF_ACTION_NOT_IN_THE_SYSTEM):
  31     return "SURF_ACTION_NOT_IN_THE_SYSTEM";
  32   default:
  33     return "INVALID STATE";
  34   }
  35 }
  36
  37 void test(char *platform);
  38 void test(char *platform)
  39 {
  40   sg_host_t cpuA = NULL;
  41   sg_host_t cpuB = NULL;
  42   surf_action_t actionA = NULL;
  43   surf_action_t actionB = NULL;
  44   surf_action_t actionC = NULL;
  45   e_surf_action_state_t stateActionA;
  46   e_surf_action_state_t stateActionB;
  47   e_surf_action_state_t stateActionC;
  48   double now = -1.0;
  49   xbt_cfg_set_parse(_sg_cfg_set, "cpu/model:Cas01");
  50   xbt_cfg_set_parse(_sg_cfg_set, "network/model:CM02");
  51   parse_platform_file(platform);
  52
  53   /*********************** CPU ***********************************/
  54   XBT_DEBUG("%p", surf_cpu_model_pm);
  55   cpuA = sg_host_by_name("Cpu A");
  56   cpuB = sg_host_by_name("Cpu B");
  57
  58   /* Let's check that those two processors exist */
  59   XBT_DEBUG("%s : %p", surf_cpu_name(sg_host_surfcpu(cpuA)), cpuA);
  60   XBT_DEBUG("%s : %p", surf_cpu_name(sg_host_surfcpu(cpuB)), cpuB);
  61
  62   /* Let's do something on it */
  63   actionA = surf_cpu_execute(cpuA, 1000.0);
  64   actionB = surf_cpu_execute(cpuB, 1000.0);
  65   actionC = surf_cpu_sleep(cpuB, 7.32);
  66
  67   /* Use whatever calling style you want... */
  68   stateActionA = surf_action_get_state(actionA);     /* When you know actionA model type */
  69   stateActionB = surf_action_get_state(actionB);        /* If you're unsure about it's model type */
  70   stateActionC = surf_action_get_state(actionC);     /* When you know actionA model type */
  71
  72   /* And just look at the state of these tasks */
  73   XBT_DEBUG("actionA : %p (%s)", actionA, string_action(stateActionA));
  74   XBT_DEBUG("actionB : %p (%s)", actionB, string_action(stateActionB));
  75   XBT_DEBUG("actionC : %p (%s)", actionB, string_action(stateActionC));
  76
  77   /*********************** Network *******************************/
  78   XBT_DEBUG("%p", surf_network_model);
  79
  80   /* Let's do something on it */
  81   surf_network_model_communicate(surf_network_model, cpuA, cpuB, 150.0, -1.0);
  82
  83   surf_solve(-1.0);                 /* Takes traces into account. Returns 0.0 */
  84   do {
  85     surf_action_t action = NULL;
  86     now = surf_get_clock();
  87     XBT_DEBUG("Next Event : %g", now);
  88     XBT_DEBUG("\t CPU actions");
  89     while ((action =
  90             surf_model_extract_failed_action_set((surf_model_t)surf_cpu_model_pm))) {
  91       XBT_DEBUG("\t * Failed : %p", action);
  92       surf_action_unref(action);
  93     }
  94     while ((action =
  95             surf_model_extract_done_action_set((surf_model_t)surf_cpu_model_pm))) {
  96       XBT_DEBUG("\t * Done : %p", action);
  97       surf_action_unref(action);
  98     }
  99     XBT_DEBUG("\t Network actions");
 100     while ((action =
 101             surf_model_extract_failed_action_set((surf_model_t)surf_network_model))) {
 102       XBT_DEBUG("\t * Failed : %p", action);
 103       surf_action_unref(action);
 104     }
 105     while ((action =
 106             surf_model_extract_done_action_set((surf_model_t)surf_network_model))) {
 107       XBT_DEBUG("\t * Done : %p", action);
 108       surf_action_unref(action);
 109     }
 110
 111   } while ((surf_model_running_action_set_size((surf_model_t)surf_network_model) ||
 112             surf_model_running_action_set_size((surf_model_t)surf_cpu_model_pm)) &&
 113            surf_solve(-1.0) >= 0.0);
 114
 115   XBT_DEBUG("Simulation Terminated");
 116 }
 117
 118 int main(int argc, char **argv)
 119 {
 120   surf_init(&argc, argv);       /* Initialize some common structures */
 121   if (argc == 1) {
 122     fprintf(stderr, "Usage : %s platform.xml\n", argv[0]);
 123     return 1;
 124   }
 125   test(argv[1]);
 126
 127   surf_exit();
 128   return 0;
 129 }