src/surf/surfxml_parse.c

   1 /* Copyright (c) 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   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. */
   6
   7 #include "xbt/misc.h"
   8 #include "xbt/log.h"
   9 #include "xbt/str.h"
  10 #include "xbt/dict.h"
  11 #include "surf/surfxml_parse_private.h"
  12 #include "surf/surf_private.h"
  13
  14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_parse, surf,
  15                                 "Logging specific to the SURF parsing module");
  16 #undef CLEANUP
  17 #include "simgrid_dtd.c"
  18
  19 /* Initialize the parsing globals */
  20 xbt_dict_t traces_set_list = NULL;
  21 xbt_dict_t trace_connect_list_host_avail = NULL;
  22 xbt_dict_t trace_connect_list_power = NULL;
  23 xbt_dict_t trace_connect_list_link_avail = NULL;
  24 xbt_dict_t trace_connect_list_bandwidth = NULL;
  25 xbt_dict_t trace_connect_list_latency = NULL;
  26
  27 /* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the foreach tag */
  28 static xbt_dynar_t surfxml_bufferstack_stack = NULL;
  29 int surfxml_bufferstack_size = 2048;
  30
  31 static char *old_buff = NULL;
  32 static void surf_parse_error(char *msg);
  33
  34 unsigned int surfxml_buffer_stack_stack_ptr;
  35 unsigned int surfxml_buffer_stack_stack[1024];
  36
  37
  38 void surfxml_bufferstack_push(int new)
  39 {
  40   if (!new)
  41     old_buff = surfxml_bufferstack;
  42   else {
  43     xbt_dynar_push(surfxml_bufferstack_stack, &surfxml_bufferstack);
  44     surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
  45   }
  46 }
  47
  48 void surfxml_bufferstack_pop(int new)
  49 {
  50   if (!new)
  51     surfxml_bufferstack = old_buff;
  52   else {
  53     free(surfxml_bufferstack);
  54     xbt_dynar_pop(surfxml_bufferstack_stack, &surfxml_bufferstack);
  55   }
  56 }
  57
  58 /* make sure these symbols are defined as strong ones in this file so that the linked can resolve them */
  59 xbt_dynar_t STag_surfxml_platform_cb_list = NULL;
  60 xbt_dynar_t ETag_surfxml_platform_cb_list = NULL;
  61 xbt_dynar_t STag_surfxml_host_cb_list = NULL;
  62 xbt_dynar_t ETag_surfxml_host_cb_list = NULL;
  63 xbt_dynar_t STag_surfxml_router_cb_list = NULL;
  64 xbt_dynar_t ETag_surfxml_router_cb_list = NULL;
  65 xbt_dynar_t STag_surfxml_link_cb_list = NULL;
  66 xbt_dynar_t ETag_surfxml_link_cb_list = NULL;
  67 xbt_dynar_t STag_surfxml_route_cb_list = NULL;
  68 xbt_dynar_t ETag_surfxml_route_cb_list = NULL;
  69 xbt_dynar_t STag_surfxml_link_ctn_cb_list = NULL;
  70 xbt_dynar_t ETag_surfxml_link_ctn_cb_list = NULL;
  71 xbt_dynar_t STag_surfxml_process_cb_list = NULL;
  72 xbt_dynar_t ETag_surfxml_process_cb_list = NULL;
  73 xbt_dynar_t STag_surfxml_argument_cb_list = NULL;
  74 xbt_dynar_t ETag_surfxml_argument_cb_list = NULL;
  75 xbt_dynar_t STag_surfxml_prop_cb_list = NULL;
  76 xbt_dynar_t ETag_surfxml_prop_cb_list = NULL;
  77 xbt_dynar_t STag_surfxml_cluster_cb_list = NULL;
  78 xbt_dynar_t ETag_surfxml_cluster_cb_list = NULL;
  79 xbt_dynar_t STag_surfxml_peer_cb_list = NULL;
  80 xbt_dynar_t ETag_surfxml_peer_cb_list = NULL;
  81 xbt_dynar_t STag_surfxml_trace_cb_list = NULL;
  82 xbt_dynar_t ETag_surfxml_trace_cb_list = NULL;
  83 xbt_dynar_t STag_surfxml_trace_connect_cb_list = NULL;
  84 xbt_dynar_t ETag_surfxml_trace_connect_cb_list = NULL;
  85 xbt_dynar_t STag_surfxml_random_cb_list = NULL;
  86 xbt_dynar_t ETag_surfxml_random_cb_list = NULL;
  87 xbt_dynar_t STag_surfxml_AS_cb_list = NULL;
  88 xbt_dynar_t ETag_surfxml_AS_cb_list = NULL;
  89 xbt_dynar_t STag_surfxml_ASroute_cb_list = NULL;
  90 xbt_dynar_t ETag_surfxml_ASroute_cb_list = NULL;
  91 xbt_dynar_t STag_surfxml_bypassRoute_cb_list = NULL;
  92 xbt_dynar_t ETag_surfxml_bypassRoute_cb_list = NULL;
  93 xbt_dynar_t STag_surfxml_config_cb_list = NULL;
  94 xbt_dynar_t ETag_surfxml_config_cb_list = NULL;
  95
  96 /* store the current property set for any tag */
  97 xbt_dict_t current_property_set = NULL;
  98 /* dictionary of random generator data */
  99 xbt_dict_t random_data_list = NULL;
 100
 101 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t);
 102
 103 YY_BUFFER_STATE surf_input_buffer;
 104 FILE *surf_file_to_parse = NULL;
 105
 106 static void surf_parse_error(char *msg);
 107
 108 static void parse_Stag_trace(void);
 109 static void parse_Etag_trace(void);
 110 static void parse_Stag_trace_connect(void);
 111
 112 static void init_randomness(void);
 113 static void add_randomness(void);
 114
 115 void surf_parse_free_callbacks(void)
 116 {
 117   xbt_dynar_free(&STag_surfxml_platform_cb_list);
 118   xbt_dynar_free(&ETag_surfxml_platform_cb_list);
 119   xbt_dynar_free(&STag_surfxml_host_cb_list);
 120   xbt_dynar_free(&ETag_surfxml_host_cb_list);
 121   xbt_dynar_free(&STag_surfxml_router_cb_list);
 122   xbt_dynar_free(&ETag_surfxml_router_cb_list);
 123   xbt_dynar_free(&STag_surfxml_link_cb_list);
 124   xbt_dynar_free(&ETag_surfxml_link_cb_list);
 125   xbt_dynar_free(&STag_surfxml_route_cb_list);
 126   xbt_dynar_free(&ETag_surfxml_route_cb_list);
 127   xbt_dynar_free(&STag_surfxml_link_ctn_cb_list);
 128   xbt_dynar_free(&ETag_surfxml_link_ctn_cb_list);
 129   xbt_dynar_free(&STag_surfxml_process_cb_list);
 130   xbt_dynar_free(&ETag_surfxml_process_cb_list);
 131   xbt_dynar_free(&STag_surfxml_argument_cb_list);
 132   xbt_dynar_free(&ETag_surfxml_argument_cb_list);
 133   xbt_dynar_free(&STag_surfxml_prop_cb_list);
 134   xbt_dynar_free(&ETag_surfxml_prop_cb_list);
 135   xbt_dynar_free(&STag_surfxml_trace_cb_list);
 136   xbt_dynar_free(&ETag_surfxml_trace_cb_list);
 137   xbt_dynar_free(&STag_surfxml_trace_connect_cb_list);
 138   xbt_dynar_free(&ETag_surfxml_trace_connect_cb_list);
 139   xbt_dynar_free(&STag_surfxml_random_cb_list);
 140   xbt_dynar_free(&ETag_surfxml_random_cb_list);
 141   xbt_dynar_free(&STag_surfxml_AS_cb_list);
 142   xbt_dynar_free(&ETag_surfxml_AS_cb_list);
 143   xbt_dynar_free(&STag_surfxml_ASroute_cb_list);
 144   xbt_dynar_free(&ETag_surfxml_ASroute_cb_list);
 145   xbt_dynar_free(&STag_surfxml_bypassRoute_cb_list);
 146   xbt_dynar_free(&ETag_surfxml_bypassRoute_cb_list);
 147   xbt_dynar_free(&STag_surfxml_cluster_cb_list);
 148   xbt_dynar_free(&ETag_surfxml_cluster_cb_list);
 149   xbt_dynar_free(&STag_surfxml_peer_cb_list);
 150   xbt_dynar_free(&ETag_surfxml_peer_cb_list);
 151   xbt_dynar_free(&STag_surfxml_config_cb_list);
 152   xbt_dynar_free(&ETag_surfxml_config_cb_list);
 153 }
 154
 155 void surf_parse_reset_parser(void)
 156 {
 157   surf_parse_free_callbacks();
 158   STag_surfxml_platform_cb_list =
 159       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 160   ETag_surfxml_platform_cb_list =
 161       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 162   STag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 163   ETag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 164   STag_surfxml_router_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 165   ETag_surfxml_router_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 166   STag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 167   ETag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 168   STag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 169   ETag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 170   STag_surfxml_link_ctn_cb_list =
 171       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 172   ETag_surfxml_link_ctn_cb_list =
 173       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 174   STag_surfxml_process_cb_list =
 175       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 176   ETag_surfxml_process_cb_list =
 177       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 178   STag_surfxml_argument_cb_list =
 179       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 180   ETag_surfxml_argument_cb_list =
 181       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 182   STag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 183   ETag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 184   STag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 185   ETag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 186   STag_surfxml_trace_connect_cb_list =
 187       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 188   ETag_surfxml_trace_connect_cb_list =
 189       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 190   STag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 191   ETag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 192   STag_surfxml_AS_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 193   ETag_surfxml_AS_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 194   STag_surfxml_ASroute_cb_list =
 195       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 196   ETag_surfxml_ASroute_cb_list =
 197       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 198   STag_surfxml_bypassRoute_cb_list =
 199       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 200   ETag_surfxml_bypassRoute_cb_list =
 201       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 202   STag_surfxml_cluster_cb_list =
 203       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 204   ETag_surfxml_cluster_cb_list =
 205       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 206   STag_surfxml_peer_cb_list =
 207       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 208   ETag_surfxml_peer_cb_list =
 209       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 210   STag_surfxml_config_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 211   ETag_surfxml_config_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 212 }
 213
 214 /* Stag and Etag parse functions */
 215
 216 void STag_surfxml_platform(void)
 217 {
 218   double version = 0.0;
 219
 220   sscanf(A_surfxml_platform_version, "%lg", &version);
 221
 222   xbt_assert0((version >= 1.0), "******* BIG FAT WARNING *********\n "
 223       "You're using an ancient XML file.\n"
 224       "Since SimGrid 3.1, units are Bytes, Flops, and seconds "
 225       "instead of MBytes, MFlops and seconds.\n"
 226
 227       "Use simgrid_update_xml to update your file automatically. "
 228       "This program is installed automatically with SimGrid, or "
 229       "available in the tools/ directory of the source archive.\n"
 230
 231       "Please check also out the SURF section of the ChangeLog for "
 232       "the 3.1 version for more information. \n"
 233
 234       "Last, do not forget to also update your values for "
 235       "the calls to MSG_task_create (if any).");
 236   xbt_assert0((version >= 3.0), "******* BIG FAT WARNING *********\n "
 237       "You're using an old XML file.\n"
 238       "Use simgrid_update_xml to update your file automatically. "
 239       "This program is installed automatically with SimGrid, or "
 240       "available in the tools/ directory of the source archive.");
 241
 242   surfxml_call_cb_functions(STag_surfxml_platform_cb_list);
 243
 244 }
 245
 246 #define parse_method(type,name) \
 247 void type##Tag_surfxml_##name(void) \
 248 { surfxml_call_cb_functions(type##Tag_surfxml_##name##_cb_list); }
 249
 250 parse_method(E, platform);
 251 parse_method(S, host);
 252 parse_method(E, host);
 253 parse_method(S, router);
 254 parse_method(E, router);
 255 parse_method(S, link);
 256 parse_method(E, link);
 257 parse_method(S, route);
 258 parse_method(E, route);
 259 parse_method(S, link_ctn);
 260 parse_method(E, link_ctn);
 261 parse_method(S, process);
 262 parse_method(E, process);
 263 parse_method(S, argument);
 264 parse_method(E, argument);
 265 parse_method(S, prop);
 266 parse_method(E, prop);
 267 parse_method(S, trace);
 268 parse_method(E, trace);
 269 parse_method(S, trace_connect);
 270 parse_method(E, trace_connect);
 271 parse_method(S, random);
 272 parse_method(E, random);
 273 parse_method(S, AS);
 274 parse_method(E, AS);
 275 parse_method(S, ASroute);
 276 parse_method(E, ASroute);
 277 parse_method(S, bypassRoute);
 278 parse_method(E, bypassRoute);
 279 parse_method(S, cluster);
 280 parse_method(E, cluster);
 281 parse_method(S, peer);
 282 parse_method(E, peer);
 283 parse_method(S, config);
 284 parse_method(E, config);
 285
 286 /* Open and Close parse file */
 287
 288 void surf_parse_open(const char *file)
 289 {
 290   static int warned = 0;        /* warn only once */
 291   if (!file) {
 292     if (!warned) {
 293       WARN0
 294           ("Bypassing the XML parser since surf_parse_open received a NULL pointer. If it is not what you want, go fix your code.");
 295       warned = 1;
 296     }
 297     return;
 298   }
 299   surf_file_to_parse = surf_fopen(file, "r");
 300   xbt_assert1((surf_file_to_parse), "Unable to open \"%s\"\n", file);
 301   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, 10);
 302   surf_parse__switch_to_buffer(surf_input_buffer);
 303   surf_parse_lineno = 1;
 304 }
 305
 306 void surf_parse_close(void)
 307 {
 308   if (surf_file_to_parse) {
 309     surf_parse__delete_buffer(surf_input_buffer);
 310     fclose(surf_file_to_parse);
 311     surf_file_to_parse = NULL; //Must be reset for Bypass
 312   }
 313 }
 314
 315 /* Parse Function */
 316
 317 static int _surf_parse(void)
 318 {
 319   return surf_parse_lex();
 320 }
 321
 322 int_f_void_t surf_parse = _surf_parse;
 323
 324 void surf_parse_error(char *msg)
 325 {
 326   fprintf(stderr, "Parse error on line %d: %s\n", surf_parse_lineno, msg);
 327   abort();
 328 }
 329
 330 void surf_parse_get_double(double *value, const char *string)
 331 {
 332   int ret = 0;
 333   ret = sscanf(string, "%lg", value);
 334   if (ret != 1)
 335     surf_parse_error(bprintf("%s is not a double", string));
 336 }
 337
 338 void surf_parse_get_int(int *value, const char *string)
 339 {
 340   int ret = 0;
 341   ret = sscanf(string, "%d", value);
 342   if (ret != 1)
 343     surf_parse_error(bprintf("%s is not an integer", string));
 344 }
 345
 346 /* Aux parse functions */
 347
 348 void surfxml_add_callback(xbt_dynar_t cb_list, void_f_void_t function)
 349 {
 350   xbt_dynar_push(cb_list, &function);
 351 }
 352
 353 void surfxml_del_callback(xbt_dynar_t * p_cb_list, void_f_void_t function)
 354 {
 355   xbt_dynar_t new_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 356   unsigned int it;
 357   void_f_void_t func;
 358   xbt_dynar_foreach(*p_cb_list, it, func) {
 359     if (func != function)
 360       xbt_dynar_push(new_cb_list, &func);
 361   }
 362   xbt_dynar_free(p_cb_list);
 363   *p_cb_list = new_cb_list;
 364 }
 365
 366 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t cb_list)
 367 {
 368   unsigned int iterator;
 369   void_f_void_t fun;
 370   xbt_dynar_foreach(cb_list, iterator, fun) {
 371     (*fun) ();
 372   }
 373 }
 374
 375 /* Init and free parse data */
 376
 377 static void init_data(void)
 378 {
 379   if (!surfxml_bufferstack_stack)
 380     surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
 381
 382   random_data_list = xbt_dict_new();
 383   traces_set_list = xbt_dict_new();
 384   trace_connect_list_host_avail = xbt_dict_new();
 385   trace_connect_list_power = xbt_dict_new();
 386   trace_connect_list_link_avail = xbt_dict_new();
 387   trace_connect_list_bandwidth = xbt_dict_new();
 388   trace_connect_list_latency = xbt_dict_new();
 389
 390   surfxml_add_callback(STag_surfxml_random_cb_list, &init_randomness);
 391   surfxml_add_callback(ETag_surfxml_random_cb_list, &add_randomness);
 392   surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
 393   surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_Stag_trace);
 394   surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_Etag_trace);
 395   surfxml_add_callback(STag_surfxml_trace_connect_cb_list,
 396                        &parse_Stag_trace_connect);
 397 }
 398
 399 static void free_data(void)
 400 {
 401   xbt_dict_free(&trace_connect_list_host_avail);
 402   xbt_dict_free(&trace_connect_list_power);
 403   xbt_dict_free(&trace_connect_list_link_avail);
 404   xbt_dict_free(&trace_connect_list_bandwidth);
 405   xbt_dict_free(&trace_connect_list_latency);
 406   xbt_dict_free(&traces_set_list);
 407   xbt_dict_free(&random_data_list);
 408   xbt_dynar_free(&surfxml_bufferstack_stack);
 409 }
 410
 411 /* Here start parse */
 412
 413 void parse_platform_file(const char *file)
 414 {
 415   int parse_status;
 416
 417   surfxml_buffer_stack_stack_ptr = 1;
 418   surfxml_buffer_stack_stack[0] = 0;
 419
 420   surf_parse_open(file);
 421   init_data();
 422   parse_status = surf_parse();
 423   free_data();
 424   surf_parse_close();
 425   xbt_assert1(!parse_status, "Parse error in %s", file);
 426 }
 427
 428 /* Prop tag functions */
 429
 430 void parse_properties(void)
 431 {
 432   char *value = NULL;
 433   if (!current_property_set)
 434     current_property_set = xbt_dict_new();      // Maybe, it should be make a error
 435   value = xbt_strdup(A_surfxml_prop_value);
 436   xbt_dict_set(current_property_set, A_surfxml_prop_id, value, free);
 437 }
 438
 439 /* Trace management functions */
 440
 441 static double trace_periodicity = -1.0;
 442 static char *trace_file = NULL;
 443 static char *trace_id = NULL;
 444
 445 static void parse_Stag_trace(void)
 446 {
 447   trace_id = xbt_strdup(A_surfxml_trace_id);
 448   trace_file = xbt_strdup(A_surfxml_trace_file);
 449   surf_parse_get_double(&trace_periodicity, A_surfxml_trace_periodicity);
 450 }
 451
 452 static void parse_Etag_trace(void)
 453 {
 454   tmgr_trace_t trace;
 455   if (!trace_file || strcmp(trace_file, "") != 0) {
 456     trace = tmgr_trace_new(trace_file);
 457   } else {
 458     if (strcmp(surfxml_pcdata, "") == 0)
 459       trace = NULL;
 460     else
 461       trace =
 462           tmgr_trace_new_from_string(trace_id, surfxml_pcdata,
 463                                      trace_periodicity);
 464   }
 465   xbt_dict_set(traces_set_list, trace_id, (void *) trace, NULL);
 466   xbt_free(trace_file);
 467   trace_file = NULL;
 468   xbt_free(trace_id);
 469   trace_id = NULL;
 470 }
 471
 472 static void parse_Stag_trace_connect(void)
 473 {
 474   xbt_assert2(xbt_dict_get_or_null
 475               (traces_set_list, A_surfxml_trace_connect_trace),
 476               "Cannot connect trace %s to %s: trace unknown",
 477               A_surfxml_trace_connect_trace,
 478               A_surfxml_trace_connect_element);
 479
 480   switch (A_surfxml_trace_connect_kind) {
 481   case A_surfxml_trace_connect_kind_HOST_AVAIL:
 482     xbt_dict_set(trace_connect_list_host_avail,
 483                  A_surfxml_trace_connect_trace,
 484                  xbt_strdup(A_surfxml_trace_connect_element), free);
 485     break;
 486   case A_surfxml_trace_connect_kind_POWER:
 487     xbt_dict_set(trace_connect_list_power, A_surfxml_trace_connect_trace,
 488                  xbt_strdup(A_surfxml_trace_connect_element), free);
 489     break;
 490   case A_surfxml_trace_connect_kind_LINK_AVAIL:
 491     xbt_dict_set(trace_connect_list_link_avail,
 492                  A_surfxml_trace_connect_trace,
 493                  xbt_strdup(A_surfxml_trace_connect_element), free);
 494     break;
 495   case A_surfxml_trace_connect_kind_BANDWIDTH:
 496     xbt_dict_set(trace_connect_list_bandwidth,
 497                  A_surfxml_trace_connect_trace,
 498                  xbt_strdup(A_surfxml_trace_connect_element), free);
 499     break;
 500   case A_surfxml_trace_connect_kind_LATENCY:
 501     xbt_dict_set(trace_connect_list_latency, A_surfxml_trace_connect_trace,
 502                  xbt_strdup(A_surfxml_trace_connect_element), free);
 503     break;
 504   default:
 505     xbt_die(bprintf("Cannot connect trace %s to %s: kind of trace unknown",
 506                     A_surfxml_trace_connect_trace,
 507                     A_surfxml_trace_connect_element));
 508   }
 509 }
 510
 511 /* Random tag functions */
 512
 513 double get_cpu_power(const char *power)
 514 {
 515   double power_scale = 0.0;
 516   const char *p, *q;
 517   char *generator;
 518   random_data_t random = NULL;
 519   /* randomness is inserted like this: power="$rand(my_random)" */
 520   if (((p = strstr(power, "$rand(")) != NULL)
 521       && ((q = strstr(power, ")")) != NULL)) {
 522     if (p < q) {
 523       generator = xbt_malloc(q - (p + 6) + 1);
 524       memcpy(generator, p + 6, q - (p + 6));
 525       generator[q - (p + 6)] = '\0';
 526       xbt_assert1((random =
 527                    xbt_dict_get_or_null(random_data_list, generator)),
 528                   "Random generator %s undefined", generator);
 529       power_scale = random_generate(random);
 530     }
 531   } else {
 532     surf_parse_get_double(&power_scale, power);
 533   }
 534   return power_scale;
 535 }
 536
 537 double random_min, random_max, random_mean, random_std_deviation,
 538     random_generator;
 539 char *random_id;
 540
 541 static void init_randomness(void)
 542 {
 543   random_id = A_surfxml_random_id;
 544   surf_parse_get_double(&random_min, A_surfxml_random_min);
 545   surf_parse_get_double(&random_max, A_surfxml_random_max);
 546   surf_parse_get_double(&random_mean, A_surfxml_random_mean);
 547   surf_parse_get_double(&random_std_deviation,
 548                         A_surfxml_random_std_deviation);
 549   random_generator = A_surfxml_random_generator;
 550 }
 551
 552 static void add_randomness(void)
 553 {
 554   /* If needed aditional properties can be added by using the prop tag */
 555   random_data_t random =
 556       random_new(random_generator, 0, random_min, random_max, random_mean,
 557                  random_std_deviation);
 558   xbt_dict_set(random_data_list, random_id, (void *) random,
 559                &xbt_free_ref);
 560 }
 561
 562 /**
 563  * create CPU resource via CPU Model
 564  */
 565 void surf_host_create_resource(char *name, double power_peak,
 566                                double power_scale,
 567                                tmgr_trace_t power_trace, int core,
 568                                e_surf_resource_state_t state_initial,
 569                                tmgr_trace_t state_trace,
 570                                xbt_dict_t cpu_properties)
 571 {
 572   return surf_cpu_model->extension.cpu.create_resource(name, power_peak,
 573                                                        power_scale,
 574                                                        power_trace,
 575                                                        core,
 576                                                        state_initial,
 577                                                        state_trace,
 578                                                        cpu_properties);
 579 }
 580
 581 /**
 582  * create CPU resource via worsktation_ptask_L07 model
 583  */
 584
 585 void surf_wsL07_host_create_resource(char *name, double power_peak,
 586                                      double power_scale,
 587                                      tmgr_trace_t power_trace,
 588                                      e_surf_resource_state_t state_initial,
 589                                      tmgr_trace_t state_trace,
 590                                      xbt_dict_t cpu_properties)
 591 {
 592   surf_workstation_model->extension.workstation.cpu_create_resource(name,
 593                                                                     power_peak,
 594                                                                     power_scale,
 595                                                                     power_trace,
 596                                                                     state_initial,
 597                                                                     state_trace,
 598                                                                     cpu_properties);
 599 }
 600
 601 /**
 602  * create link resource via network Model
 603  */
 604 void surf_link_create_resource(char *name,
 605                                double bw_initial,
 606                                tmgr_trace_t bw_trace,
 607                                double lat_initial,
 608                                tmgr_trace_t lat_trace,
 609                                e_surf_resource_state_t
 610                                state_initial,
 611                                tmgr_trace_t state_trace,
 612                                e_surf_link_sharing_policy_t policy,
 613                                xbt_dict_t properties)
 614 {
 615   return surf_network_model->extension.network.create_resource(name,
 616                                                                bw_initial,
 617                                                                bw_trace,
 618                                                                lat_initial,
 619                                                                lat_trace,
 620                                                                state_initial,
 621                                                                state_trace,
 622                                                                policy,
 623                                                                properties);
 624 }
 625
 626 /**
 627  * create link resource via workstation_ptask_L07 model
 628  */
 629
 630 void surf_wsL07_link_create_resource(char *name,
 631                                      double bw_initial,
 632                                      tmgr_trace_t bw_trace,
 633                                      double lat_initial,
 634                                      tmgr_trace_t lat_trace,
 635                                      e_surf_resource_state_t
 636                                      state_initial,
 637                                      tmgr_trace_t state_trace,
 638                                      e_surf_link_sharing_policy_t
 639                                      policy, xbt_dict_t properties)
 640 {
 641   return surf_workstation_model->extension.workstation.
 642       link_create_resource(name, bw_initial, bw_trace, lat_initial,
 643                            lat_trace, state_initial, state_trace, policy,
 644                            properties);
 645 }
 646
 647 /**
 648  *
 649  *init new routing model component
 650  */
 651
 652 void surf_AS_new(const char *AS_id, const char *AS_mode)
 653 {
 654   routing_AS_init(AS_id, AS_mode);
 655 }
 656
 657 void surf_AS_finalize(const char *AS_id)
 658 {
 659   routing_AS_end(AS_id);
 660 }
 661
 662 /*
 663  * add host to the network element list
 664  */
 665 void surf_route_add_host(const char *host_id)
 666 {
 667   routing_add_host(host_id);
 668 }
 669
 670 /**
 671  * set route
 672  */
 673 void surf_routing_add_route(const char *src_id, const char *dst_id,
 674                             xbt_dynar_t links_id)
 675 {
 676   unsigned int i;
 677   const char *link_id;
 678   routing_set_route(src_id, dst_id);
 679   xbt_dynar_foreach(links_id, i, link_id) {
 680     routing_add_link(link_id);
 681   }
 682
 683   //store the route
 684   routing_store_route();
 685 }
 686
 687 /**
 688  * Add Traces
 689  */
 690 void surf_add_host_traces(void)
 691 {
 692   return surf_cpu_model->extension.cpu.add_traces();
 693 }
 694
 695 void surf_add_link_traces(void)
 696 {
 697   return surf_network_model->extension.network.add_traces();
 698 }
 699
 700 void surf_wsL07_add_traces(void)
 701 {
 702   return surf_workstation_model->extension.workstation.add_traces();
 703 }