1 /* Copyright (c) 2007, 2009, 2010. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "xbt/sysdep.h"
11 #include "surf/surfxml_parse_private.h"
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_deployment, simix,
14 "Logging specific to SIMIX (deployment)");
15 static int parse_argc = -1;
16 static char **parse_argv = NULL;
17 static xbt_main_func_t parse_code = NULL;
18 static char *parse_host = NULL;
19 static double start_time = 0.0;
20 static double kill_time = -1.0;
22 static void parse_process_init(void)
24 parse_host = xbt_strdup(A_surfxml_process_host);
25 xbt_assert1(SIMIX_host_get_by_name(parse_host),
26 "Host '%s' unknown", parse_host);
27 parse_code = SIMIX_get_registered_function(A_surfxml_process_function);
28 xbt_assert1(parse_code, "Function '%s' unknown",
29 A_surfxml_process_function);
33 parse_argv = xbt_realloc(parse_argv, (parse_argc) * sizeof(char *));
34 parse_argv[(parse_argc) - 1] = xbt_strdup(A_surfxml_process_function);
35 surf_parse_get_double(&start_time, A_surfxml_process_start_time);
36 surf_parse_get_double(&kill_time, A_surfxml_process_kill_time);
39 static void parse_argument(void)
42 parse_argv = xbt_realloc(parse_argv, (parse_argc) * sizeof(char *));
43 parse_argv[(parse_argc) - 1] = xbt_strdup(A_surfxml_argument_value);
46 static void parse_process_finalize(void)
48 smx_process_arg_t arg = NULL;
49 smx_process_t process = NULL;
50 if (start_time > SIMIX_get_clock()) {
51 arg = xbt_new0(s_smx_process_arg_t, 1);
52 arg->name = parse_argv[0];
53 arg->code = parse_code;
55 arg->hostname = parse_host;
56 arg->argc = parse_argc;
57 arg->argv = parse_argv;
58 arg->kill_time = kill_time;
59 arg->properties = current_property_set;
61 XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
62 arg->hostname, start_time);
63 SIMIX_timer_set(start_time, &SIMIX_process_create_from_wrapper, arg);
64 } else { // start_time <= SIMIX_get_clock()
65 XBT_DEBUG("Starting Process %s(%s) right now", parse_argv[0], parse_host);
67 if (simix_global->create_process_function)
68 (*simix_global->create_process_function) (&process,
71 parse_host, parse_argc,
73 current_property_set);
75 SIMIX_req_process_create(&process, parse_argv[0], parse_code, NULL, parse_host, parse_argc, parse_argv,
76 current_property_set);
77 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
82 if (kill_time > SIMIX_get_clock()) {
83 if (simix_global->kill_process_function) {
84 SIMIX_timer_set(start_time, simix_global->kill_process_function, process);
89 current_property_set = NULL;
93 * \brief An application deployer.
95 * Creates the process described in \a file.
96 * \param file a filename of a xml description of the application. This file
99 * \include surfxml.dtd
101 * Here is a small example of such a platform
103 * \include small_deployment.xml
106 void SIMIX_launch_application(const char *file)
109 xbt_assert0(simix_global,
110 "SIMIX_global_init has to be called before SIMIX_launch_application.");
113 surf_parse_reset_callbacks();
115 surfxml_add_callback(STag_surfxml_process_cb_list, parse_process_init);
116 surfxml_add_callback(ETag_surfxml_argument_cb_list, parse_argument);
117 surfxml_add_callback(STag_surfxml_prop_cb_list, parse_properties);
118 surfxml_add_callback(ETag_surfxml_process_cb_list,
119 parse_process_finalize);
121 surf_parse_open(file);
122 parse_status = surf_parse();
124 xbt_assert1(!parse_status, "Parse error in %s", file);
128 * \brief Registers a #smx_process_code_t code in a global table.
130 * Registers a code function in a global table.
131 * This table is then used by #SIMIX_launch_application.
132 * \param name the reference name of the function.
133 * \param code the function
135 XBT_INLINE void SIMIX_function_register(const char *name,
136 xbt_main_func_t code)
138 xbt_assert0(simix_global,
139 "SIMIX_global_init has to be called before SIMIX_function_register.");
141 xbt_dict_set(simix_global->registered_functions, name, code, NULL);
144 static xbt_main_func_t default_function = NULL;
146 * \brief Registers a #smx_process_code_t code as default value.
148 * Registers a code function as being the default value. This function will get used by SIMIX_launch_application() when there is no registered function of the requested name in.
149 * \param code the function
151 void SIMIX_function_register_default(xbt_main_func_t code)
153 xbt_assert0(simix_global,
154 "SIMIX_global_init has to be called before SIMIX_function_register.");
156 default_function = code;
160 * \brief Gets a #smx_process_t code from the global table.
162 * Gets a code function from the global table. Returns NULL if there are no function registered with the name.
163 * This table is then used by #SIMIX_launch_application.
164 * \param name the reference name of the function.
165 * \return The #smx_process_t or NULL.
167 xbt_main_func_t SIMIX_get_registered_function(const char *name)
169 xbt_main_func_t res = NULL;
170 xbt_assert0(simix_global,
171 "SIMIX_global_init has to be called before SIMIX_get_registered_function.");
173 res = xbt_dict_get_or_null(simix_global->registered_functions, name);
174 return res ? res : default_function;
179 * \brief Bypass the parser, get arguments, and set function to each process
182 void SIMIX_process_set_function(const char *process_host,
183 const char *process_function,
184 xbt_dynar_t arguments,
185 double process_start_time,
186 double process_kill_time)
192 parse_host = xbt_strdup(process_host);
193 xbt_assert1(SIMIX_host_get_by_name(parse_host),
194 "Host '%s' unknown", parse_host);
195 parse_code = SIMIX_get_registered_function(process_function);
196 xbt_assert1(parse_code, "Function '%s' unknown", process_function);
201 parse_argv = xbt_realloc(parse_argv, (parse_argc) * sizeof(char *));
202 parse_argv[(parse_argc) - 1] = xbt_strdup(process_function);
203 start_time = process_start_time;
204 kill_time = process_kill_time;
207 xbt_dynar_foreach(arguments, i, arg) {
209 parse_argv = xbt_realloc(parse_argv, (parse_argc) * sizeof(char *));
210 parse_argv[(parse_argc) - 1] = xbt_strdup(arg);
214 parse_process_finalize();