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The interaction between the parser and the surf modules makes more sense now.
[simgrid.git] / 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 #include "xbt/xbt_os_time.h"
13
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_environment, simix,
15                                 "Logging specific to SIMIX (environment)");
16
17 /********************************* SIMIX **************************************/
18
19 /** 
20  * \brief A platform constructor.
21  *
22  * Creates a new platform, including hosts, links and the
23  * routing_table. 
24  * \param file a filename of a xml description of a platform. This file 
25  * follows this DTD :
26  *
27  *     \include surfxml.dtd
28  *
29  * Here is a small example of such a platform 
30  *
31  *     \include small_platform.xml
32  *
33  */
34 void SIMIX_create_environment(const char *file)
35 {
36   xbt_dict_cursor_t cursor = NULL;
37   char *name = NULL;
38   void *workstation = NULL;
39   char *workstation_model_name;
40   int workstation_id = -1;
41   double start, end;
42
43   simix_config_init();          /* make sure that our configuration set is created */
44   surf_timer_model_init(file);
45
46   /* which model do you want today? */
47   workstation_model_name =
48       xbt_cfg_get_string(_simix_cfg_set, "workstation_model");
49
50   DEBUG1("Model : %s", workstation_model_name);
51   workstation_id =
52       find_model_description(surf_workstation_model_description,
53                                 surf_workstation_model_description_size,
54                                 workstation_model_name);
55   if (!strcmp(workstation_model_name, "compound")) {
56     xbt_ex_t e;
57     char *network_model_name = NULL;
58     char *cpu_model_name = NULL;
59     int network_id = -1;
60     int cpu_id = -1;
61
62     TRY {
63       cpu_model_name = xbt_cfg_get_string(_simix_cfg_set, "cpu_model");
64     } CATCH(e) {
65       if (e.category == bound_error) {
66         xbt_assert0(0,
67                     "Set a cpu model to use with the 'compound' workstation model");
68         xbt_ex_free(e);
69       } else {
70         RETHROW;
71       }
72     }
73
74     TRY {
75       network_model_name =
76           xbt_cfg_get_string(_simix_cfg_set, "network_model");
77     }
78     CATCH(e) {
79       if (e.category == bound_error) {
80         xbt_assert0(0,
81                     "Set a network model to use with the 'compound' workstation model");
82         xbt_ex_free(e);
83       } else {
84         RETHROW;
85       }
86     }
87
88     network_id =
89         find_model_description(surf_network_model_description,
90                                   surf_network_model_description_size,
91                                   network_model_name);
92     cpu_id =
93         find_model_description(surf_cpu_model_description,
94                                   surf_cpu_model_description_size,
95                                   cpu_model_name);
96
97     surf_cpu_model_description[cpu_id].model_init(file);
98     surf_network_model_description[network_id].model_init(file);
99
100
101   } 
102   surf_workstation_model_description[workstation_id].
103     model_init(file);
104
105   start = xbt_os_time();
106   parse_platform_file(file);
107
108   if (surf_workstation_model_description[workstation_id].create_ws != NULL)
109     surf_workstation_model_description[workstation_id].create_ws();
110   end = xbt_os_time();
111   DEBUG1("PARSE TIME: %lg", (end-start));
112
113   _simix_init_status = 2;       /* inited; don't change settings now */
114
115   xbt_dict_foreach(workstation_set, cursor, name, workstation) {
116     __SIMIX_host_create(name, workstation, NULL);
117   }
118
119   return;
120 }