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adding modifications for 1 pass & for adding routes only when platform end tag reached
[simgrid.git] / src / simix / smx_deployment.c
1 /*      $Id$     */
2
3 /* Copyright (c) 2007 Arnaud Legrand, Bruno Donassolo.
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
10 #include "private.h"
11 #include "xbt/sysdep.h"
12 #include "xbt/log.h"
13 #include "xbt/dict.h"
14 #include "surf/surfxml_parse_private.h"
15
16 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_deployment, simix,
17                                 "Logging specific to SIMIX (deployment)");
18 static int parse_argc = -1;
19 static char **parse_argv = NULL;
20 static xbt_main_func_t parse_code = NULL;
21 static char *parse_host = NULL;
22 static double start_time = 0.0;
23 static double kill_time = -1.0;
24
25 static void parse_process_init(void)
26 {
27   parse_host = xbt_strdup(A_surfxml_process_host);
28   xbt_assert1(SIMIX_host_get_by_name(parse_host),
29               "Unknown host %s", parse_host);
30   parse_code = SIMIX_get_registered_function(A_surfxml_process_function);
31   xbt_assert1(parse_code, "Unknown function %s",
32               A_surfxml_process_function);
33   parse_argc = 0;
34   parse_argv = NULL;
35   parse_argc++;
36   parse_argv = xbt_realloc(parse_argv, (parse_argc) * sizeof(char *));
37   parse_argv[(parse_argc) - 1] = xbt_strdup(A_surfxml_process_function);
38   surf_parse_get_double(&start_time, A_surfxml_process_start_time);
39   surf_parse_get_double(&kill_time, A_surfxml_process_kill_time);
40
41   current_property_set = xbt_dict_new();
42 }
43
44 static void parse_argument(void)
45 {
46   parse_argc++;
47   parse_argv = xbt_realloc(parse_argv, (parse_argc) * sizeof(char *));
48   parse_argv[(parse_argc) - 1] = xbt_strdup(A_surfxml_argument_value);
49 }
50
51 static void parse_process_finalize(void)
52 {
53   smx_process_arg_t arg = NULL;
54   void *process = NULL;
55   if (start_time > SIMIX_get_clock()) {
56     arg = xbt_new0(s_smx_process_arg_t, 1);
57     arg->name = parse_argv[0];
58     arg->code = parse_code;
59     arg->data = NULL;
60     arg->hostname = parse_host;
61     arg->argc = parse_argc;
62     arg->argv = parse_argv;
63     arg->kill_time = kill_time;
64     arg->properties = current_property_set;
65
66     DEBUG3("Process %s(%s) will be started at time %f", arg->name,
67            arg->hostname, start_time);
68     if (simix_global->create_process_function)
69       surf_timer_model->extension_public->set(start_time,
70                                                  (void *) simix_global->
71                                                  create_process_function,
72                                                  arg);
73     else
74       surf_timer_model->extension_public->set(start_time, (void *)
75                                                  &SIMIX_process_create,
76                                                  arg);
77
78   }
79   if ((start_time < 0) || (start_time == SIMIX_get_clock())) {
80     DEBUG2("Starting Process %s(%s) right now", parse_argv[0], parse_host);
81
82     if (simix_global->create_process_function)
83       process =
84          (*simix_global->create_process_function)(parse_argv[0], parse_code,
85                                                 NULL, parse_host,
86                                                 parse_argc, parse_argv, /*the props*/ current_property_set);
87     else
88       process =
89           SIMIX_process_create(parse_argv[0], parse_code, NULL, parse_host,
90                                parse_argc, parse_argv, /*the props*/ current_property_set);
91
92     if (kill_time > SIMIX_get_clock()) {
93       if (simix_global->kill_process_function)
94         surf_timer_model->extension_public->set(start_time,
95                                                    (void *) simix_global->
96                                                    kill_process_function,
97                                                    arg);
98       else
99         surf_timer_model->extension_public->set(kill_time, (void *)
100                                                    &SIMIX_process_kill,
101                                                    (void *) process);
102     }
103     xbt_free(parse_host);
104   }
105 }
106
107 /** 
108  * \brief An application deployer.
109  *
110  * Creates the process described in \a file.
111  * \param file a filename of a xml description of the application. This file 
112  * follows this DTD :
113  *
114  *     \include surfxml.dtd
115  *
116  * Here is a small example of such a platform 
117  *
118  *     \include small_deployment.xml
119  *
120  */
121 void SIMIX_launch_application(const char *file)
122 {
123   xbt_assert0(simix_global,
124               "SIMIX_global_init has to be called before SIMIX_launch_application.");
125   surf_parse_reset_parser();
126   surfxml_add_callback(STag_surfxml_process_cb_list, parse_process_init);
127   surfxml_add_callback(ETag_surfxml_argument_cb_list, parse_argument);
128   surfxml_add_callback(STag_surfxml_prop_cb_list, parse_properties);
129   surfxml_add_callback(ETag_surfxml_process_cb_list, parse_process_finalize);
130
131   surf_parse_open(file);
132   xbt_assert1((!surf_parse()), "Parse error in %s", file);
133   surf_parse_close();
134 }
135
136 /**
137  * \brief Registers a #smx_process_code_t code in a global table.
138  *
139  * Registers a code function in a global table. 
140  * This table is then used by #SIMIX_launch_application. 
141  * \param name the reference name of the function.
142  * \param code the function
143  */
144 void SIMIX_function_register(const char *name, xbt_main_func_t code)
145 {
146   xbt_assert0(simix_global,
147               "SIMIX_global_init has to be called before SIMIX_function_register.");
148
149   xbt_dict_set(simix_global->registered_functions, name, code, NULL);
150 }
151
152 /**
153  * \brief Gets a #smx_process_t code from the global table.
154  *
155  * Gets a code function from the global table. Returns NULL if there are no function registered with the name.
156  * This table is then used by #SIMIX_launch_application. 
157  * \param name the reference name of the function.
158  * \return The #smx_process_t or NULL.
159  */
160 xbt_main_func_t SIMIX_get_registered_function(const char *name)
161 {
162   xbt_assert0(simix_global,
163               "SIMIX_global_init has to be called before SIMIX_get_registered_function.");
164
165   return xbt_dict_get_or_null(simix_global->registered_functions, name);
166 }