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. */
9 #include "xbt/sysdep.h"
12 #include "surf/surfxml_parse_private.h"
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_deployment, simix,
15 "Logging specific to SIMIX (deployment)");
16 static int parse_argc = -1;
17 static char **parse_argv = NULL;
18 static xbt_main_func_t parse_code = NULL;
19 static char *parse_host = NULL;
20 static double start_time = 0.0;
21 static double kill_time = -1.0;
23 static void parse_process_init(void)
25 parse_host = xbt_strdup(A_surfxml_process_host);
26 xbt_assert1(SIMIX_host_get_by_name(parse_host),
27 "Host '%s' unknown", parse_host);
28 parse_code = SIMIX_get_registered_function(A_surfxml_process_function);
29 xbt_assert1(parse_code, "Function '%s' unknown",
30 A_surfxml_process_function);
34 parse_argv = xbt_realloc(parse_argv, (parse_argc) * sizeof(char *));
35 parse_argv[(parse_argc) - 1] = xbt_strdup(A_surfxml_process_function);
36 surf_parse_get_double(&start_time, A_surfxml_process_start_time);
37 surf_parse_get_double(&kill_time, A_surfxml_process_kill_time);
39 current_property_set = xbt_dict_new();
42 static void parse_argument(void)
45 parse_argv = xbt_realloc(parse_argv, (parse_argc) * sizeof(char *));
46 parse_argv[(parse_argc) - 1] = xbt_strdup(A_surfxml_argument_value);
49 static void parse_process_finalize(void)
51 smx_process_arg_t arg = NULL;
53 if (start_time > SIMIX_get_clock()) {
54 arg = xbt_new0(s_smx_process_arg_t, 1);
55 arg->name = parse_argv[0];
56 arg->code = parse_code;
58 arg->hostname = parse_host;
59 arg->argc = parse_argc;
60 arg->argv = parse_argv;
61 arg->kill_time = kill_time;
62 arg->properties = current_property_set;
64 DEBUG3("Process %s(%s) will be started at time %f", arg->name,
65 arg->hostname, start_time);
66 if (simix_global->create_process_function)
67 surf_timer_model->extension.timer.set(start_time, (void *)
68 simix_global->create_process_function,
71 surf_timer_model->extension.timer.set(start_time, (void *)
72 &SIMIX_process_create, arg);
74 } else { // start_time <= SIMIX_get_clock()
75 DEBUG2("Starting Process %s(%s) right now", parse_argv[0], parse_host);
77 if (simix_global->create_process_function)
79 (*simix_global->create_process_function) (parse_argv[0], parse_code,
81 parse_argc, parse_argv,
83 current_property_set);
85 process = SIMIX_process_create(parse_argv[0], parse_code, NULL, parse_host, parse_argc, parse_argv, /*the props */
86 current_property_set);
87 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
92 if (kill_time > SIMIX_get_clock()) {
93 if (simix_global->kill_process_function)
94 surf_timer_model->extension.timer.set(start_time, (void *)
95 simix_global->kill_process_function,
98 surf_timer_model->extension.timer.set(kill_time, (void *)
102 xbt_free(parse_host);
107 * \brief An application deployer.
109 * Creates the process described in \a file.
110 * \param file a filename of a xml description of the application. This file
113 * \include surfxml.dtd
115 * Here is a small example of such a platform
117 * \include small_deployment.xml
120 void SIMIX_launch_application(const char *file)
122 xbt_assert0(simix_global,
123 "SIMIX_global_init has to be called before SIMIX_launch_application.");
124 surf_parse_reset_parser();
125 surfxml_add_callback(STag_surfxml_process_cb_list, parse_process_init);
126 surfxml_add_callback(ETag_surfxml_argument_cb_list, parse_argument);
127 surfxml_add_callback(STag_surfxml_prop_cb_list, parse_properties);
128 surfxml_add_callback(ETag_surfxml_process_cb_list, parse_process_finalize);
130 surf_parse_open(file);
131 xbt_assert1((!surf_parse()), "Parse error in %s", file);
136 * \brief Registers a #smx_process_code_t code in a global table.
138 * Registers a code function in a global table.
139 * This table is then used by #SIMIX_launch_application.
140 * \param name the reference name of the function.
141 * \param code the function
143 XBT_INLINE void SIMIX_function_register(const char *name, xbt_main_func_t code)
145 xbt_assert0(simix_global,
146 "SIMIX_global_init has to be called before SIMIX_function_register.");
148 xbt_dict_set(simix_global->registered_functions, name, code, NULL);
151 static xbt_main_func_t default_function = NULL;
153 * \brief Registers a #smx_process_code_t code as default value.
155 * 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.
156 * \param code the function
158 void SIMIX_function_register_default(xbt_main_func_t code)
160 xbt_assert0(simix_global,
161 "SIMIX_global_init has to be called before SIMIX_function_register.");
163 default_function = code;
167 * \brief Gets a #smx_process_t code from the global table.
169 * Gets a code function from the global table. Returns NULL if there are no function registered with the name.
170 * This table is then used by #SIMIX_launch_application.
171 * \param name the reference name of the function.
172 * \return The #smx_process_t or NULL.
174 xbt_main_func_t SIMIX_get_registered_function(const char *name)
176 xbt_assert0(simix_global,
177 "SIMIX_global_init has to be called before SIMIX_get_registered_function.");
179 xbt_main_func_t res =
180 xbt_dict_get_or_null(simix_global->registered_functions, name);
181 return res ? res : default_function;