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],
81 parse_host, parse_argc,
84 current_property_set);
86 process = SIMIX_process_create(parse_argv[0], parse_code, NULL, parse_host, parse_argc, parse_argv, /*the props */
87 current_property_set);
88 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
93 if (kill_time > SIMIX_get_clock()) {
94 if (simix_global->kill_process_function)
95 surf_timer_model->extension.timer.set(start_time, (void *)
96 simix_global->kill_process_function,
99 surf_timer_model->extension.timer.set(kill_time, (void *)
103 xbt_free(parse_host);
108 * \brief An application deployer.
110 * Creates the process described in \a file.
111 * \param file a filename of a xml description of the application. This file
114 * \include surfxml.dtd
116 * Here is a small example of such a platform
118 * \include small_deployment.xml
121 void SIMIX_launch_application(const char *file)
124 xbt_assert0(simix_global,
125 "SIMIX_global_init has to be called before SIMIX_launch_application.");
126 surf_parse_reset_parser();
127 surfxml_add_callback(STag_surfxml_process_cb_list, parse_process_init);
128 surfxml_add_callback(ETag_surfxml_argument_cb_list, parse_argument);
129 surfxml_add_callback(STag_surfxml_prop_cb_list, parse_properties);
130 surfxml_add_callback(ETag_surfxml_process_cb_list,
131 parse_process_finalize);
133 surf_parse_open(file);
134 parse_status = surf_parse();
136 xbt_assert1(!parse_status, "Parse error in %s", file);
140 * \brief Registers a #smx_process_code_t code in a global table.
142 * Registers a code function in a global table.
143 * This table is then used by #SIMIX_launch_application.
144 * \param name the reference name of the function.
145 * \param code the function
147 XBT_INLINE void SIMIX_function_register(const char *name,
148 xbt_main_func_t code)
150 xbt_assert0(simix_global,
151 "SIMIX_global_init has to be called before SIMIX_function_register.");
153 xbt_dict_set(simix_global->registered_functions, name, code, NULL);
156 static xbt_main_func_t default_function = NULL;
158 * \brief Registers a #smx_process_code_t code as default value.
160 * 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.
161 * \param code the function
163 void SIMIX_function_register_default(xbt_main_func_t code)
165 xbt_assert0(simix_global,
166 "SIMIX_global_init has to be called before SIMIX_function_register.");
168 default_function = code;
172 * \brief Gets a #smx_process_t code from the global table.
174 * Gets a code function from the global table. Returns NULL if there are no function registered with the name.
175 * This table is then used by #SIMIX_launch_application.
176 * \param name the reference name of the function.
177 * \return The #smx_process_t or NULL.
179 xbt_main_func_t SIMIX_get_registered_function(const char *name)
181 xbt_main_func_t res = NULL;
182 xbt_assert0(simix_global,
183 "SIMIX_global_init has to be called before SIMIX_get_registered_function.");
185 res = xbt_dict_get_or_null(simix_global->registered_functions, name);
186 return res ? res : default_function;
191 * \brief Bypass the parser, get arguments, and set function to each process
194 void SIMIX_process_set_function(const char *process_host,
195 const char *process_function,
196 xbt_dynar_t arguments,
197 double process_start_time,
198 double process_kill_time)
204 parse_host = xbt_strdup(process_host);
205 xbt_assert1(SIMIX_host_get_by_name(parse_host),
206 "Host '%s' unknown", parse_host);
207 parse_code = SIMIX_get_registered_function(process_function);
208 xbt_assert1(parse_code, "Function '%s' unknown", process_function);
213 parse_argv = xbt_realloc(parse_argv, (parse_argc) * sizeof(char *));
214 parse_argv[(parse_argc) - 1] = xbt_strdup(process_function);
215 start_time = process_start_time;
216 kill_time = process_kill_time;
217 current_property_set = xbt_dict_new();
220 xbt_dynar_foreach(arguments, i, arg) {
222 parse_argv = xbt_realloc(parse_argv, (parse_argc) * sizeof(char *));
223 parse_argv[(parse_argc) - 1] = xbt_strdup(arg);
227 parse_process_finalize();