src/simix/smx_environment.c

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2007 Arnaud Legrand, Bruno Donnassolo.
   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 "private.h"
  10 #include "xbt/sysdep.h"
  11 #include "xbt/log.h"
  12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_environment, simix,
  13                                 "Logging specific to SIMIX (environment)");
  14
  15 /********************************* SIMIX **************************************/
  16
  17 /**
  18  * \brief A platform constructor.
  19  *
  20  * Creates a new platform, including hosts, links and the
  21  * routing_table.
  22  * \param file a filename of a xml description of a platform. This file
  23  * follows this DTD :
  24  *
  25  *     \include surfxml.dtd
  26  *
  27  * Here is a small example of such a platform
  28  *
  29  *     \include small_platform.xml
  30  *
  31  */
  32 void SIMIX_create_environment(const char *file)
  33 {
  34   xbt_dict_cursor_t cursor = NULL;
  35   char *name = NULL;
  36   void *workstation = NULL;
  37   char *workstation_model_name;
  38   int workstation_id = -1;
  39
  40   simix_config_init(); /* make sure that our configuration set is created */
  41   surf_timer_resource_init(file);
  42
  43   /* which model do you want today? */
  44   workstation_model_name = xbt_cfg_get_string (_simix_cfg_set, "workstation_model");
  45
  46   DEBUG1("Model : %s", workstation_model_name);
  47   workstation_id = find_resource_description(surf_workstation_resource_description,
  48                                              surf_workstation_resource_description_size,
  49                                              workstation_model_name);
  50   if(!strcmp(workstation_model_name,"compound")) {
  51     xbt_ex_t e;
  52     char *network_model_name = NULL;
  53     char *cpu_model_name = NULL;
  54     int network_id = -1;
  55     int cpu_id = -1;
  56
  57     TRY {
  58       cpu_model_name = xbt_cfg_get_string (_simix_cfg_set, "cpu_model");
  59     } CATCH(e) {
  60       if (e.category == bound_error) {
  61         xbt_assert0(0,"Set a cpu model to use with the 'compound' workstation model");
  62         xbt_ex_free(e);
  63       } else {
  64         RETHROW;
  65       }
  66     }
  67
  68     TRY {
  69       network_model_name=xbt_cfg_get_string (_simix_cfg_set, "network_model");
  70     } CATCH(e) {
  71       if (e.category == bound_error) {
  72         xbt_assert0(0,"Set a network model to use with the 'compound' workstation model");
  73         xbt_ex_free(e);
  74       } else {
  75         RETHROW;
  76       }
  77     }
  78
  79     network_id = find_resource_description(surf_network_resource_description,
  80                                            surf_network_resource_description_size,
  81                                            network_model_name);
  82     cpu_id = find_resource_description(surf_cpu_resource_description,
  83                                        surf_cpu_resource_description_size,
  84                                        cpu_model_name);
  85
  86     surf_cpu_resource_description[cpu_id].resource_init(file);
  87     surf_network_resource_description[network_id].resource_init(file);
  88   }
  89
  90   surf_workstation_resource_description[workstation_id].resource_init(file);
  91
  92   _simix_init_status = 2; /* inited; don't change settings now */
  93
  94   xbt_dict_foreach(workstation_set, cursor, name, workstation) {
  95     __SIMIX_host_create(name, workstation, NULL);
  96   }
  97
  98   return;
  99 }
 100