src/surf/surfxml_parse.c

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2004 Arnaud Legrand. All rights reserved.                  */
   4
   5 /* This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the license (GNU LGPL) which comes with this package. */
   7
   8 #include "xbt/misc.h"
   9 #include "xbt/log.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
  17 #undef CLEANUP
  18 #include "surfxml.c"
  19
  20 /* Initialize the parsing globals */
  21 int route_action = 0;
  22 xbt_dict_t traces_set_list = NULL;
  23 xbt_dynar_t traces_connect_list = NULL;
  24
  25 /* This buffer is used to store the original buffer before substituing it by out own buffer. Usefull for the foreach tag */
  26 char* old_buff;
  27 /* Stores the set name reffered to by the foreach tag */
  28 static const char* foreach_set_name;
  29 static xbt_dynar_t main_STag_surfxml_host_cb_list = NULL;
  30 static xbt_dynar_t main_ETag_surfxml_host_cb_list = NULL;
  31 static xbt_dynar_t main_STag_surfxml_link_cb_list = NULL;
  32 static xbt_dynar_t main_ETag_surfxml_link_cb_list = NULL;
  33
  34 /* make sure these symbols are defined as strong ones in this file so that the linked can resolve them */
  35 xbt_dynar_t STag_surfxml_platform_cb_list = NULL;
  36 xbt_dynar_t ETag_surfxml_platform_cb_list = NULL;
  37 xbt_dynar_t STag_surfxml_host_cb_list = NULL;
  38 xbt_dynar_t ETag_surfxml_host_cb_list = NULL;
  39 xbt_dynar_t STag_surfxml_router_cb_list = NULL;
  40 xbt_dynar_t ETag_surfxml_router_cb_list = NULL;
  41 xbt_dynar_t STag_surfxml_link_cb_list = NULL;
  42 xbt_dynar_t ETag_surfxml_link_cb_list = NULL;
  43 xbt_dynar_t STag_surfxml_route_cb_list = NULL;
  44 xbt_dynar_t ETag_surfxml_route_cb_list = NULL;
  45 xbt_dynar_t STag_surfxml_link_c_ctn_cb_list = NULL;
  46 xbt_dynar_t ETag_surfxml_link_c_ctn_cb_list = NULL;
  47 xbt_dynar_t STag_surfxml_process_cb_list = NULL;
  48 xbt_dynar_t ETag_surfxml_process_cb_list = NULL;
  49 xbt_dynar_t STag_surfxml_argument_cb_list = NULL;
  50 xbt_dynar_t ETag_surfxml_argument_cb_list = NULL;
  51 xbt_dynar_t STag_surfxml_prop_cb_list = NULL;
  52 xbt_dynar_t ETag_surfxml_prop_cb_list = NULL;
  53 xbt_dynar_t STag_surfxml_set_cb_list = NULL;
  54 xbt_dynar_t ETag_surfxml_set_cb_list = NULL;
  55 xbt_dynar_t STag_surfxml_foreach_cb_list = NULL;
  56 xbt_dynar_t ETag_surfxml_foreach_cb_list = NULL;
  57 xbt_dynar_t STag_surfxml_route_c_multi_cb_list = NULL;
  58 xbt_dynar_t ETag_surfxml_route_c_multi_cb_list = NULL;
  59 xbt_dynar_t STag_surfxml_cluster_cb_list = NULL;
  60 xbt_dynar_t ETag_surfxml_cluster_cb_list = NULL;
  61 xbt_dynar_t STag_surfxml_trace_cb_list = NULL;
  62 xbt_dynar_t ETag_surfxml_trace_cb_list = NULL;
  63 xbt_dynar_t STag_surfxml_trace_c_connect_cb_list = NULL;
  64 xbt_dynar_t ETag_surfxml_trace_c_connect_cb_list = NULL;
  65 xbt_dynar_t STag_surfxml_random_cb_list = NULL;
  66 xbt_dynar_t ETag_surfxml_random_cb_list = NULL;
  67
  68 /* Stores the sets defined in the XML */
  69 xbt_dict_t set_list = NULL;
  70
  71 xbt_dict_t current_property_set = NULL;
  72
  73 /* For the route:multi tag */
  74 xbt_dict_t route_table = NULL;
  75 xbt_dict_t route_multi_table = NULL;
  76 xbt_dynar_t route_multi_elements = NULL;
  77 xbt_dynar_t route_link_list = NULL;
  78 xbt_dynar_t links = NULL;
  79 xbt_dynar_t keys = NULL;
  80
  81 xbt_dict_t random_data_list = NULL;
  82
  83 static xbt_dynar_t surf_input_buffer_stack = NULL;
  84 static xbt_dynar_t surf_file_to_parse_stack = NULL;
  85
  86 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t);
  87
  88 YY_BUFFER_STATE surf_input_buffer;
  89 FILE *surf_file_to_parse = NULL;
  90
  91 static void convert_route_multi_to_routes(void);
  92
  93 void surf_parse_free_callbacks(void)
  94 {
  95   xbt_dynar_free(&STag_surfxml_platform_cb_list);
  96   xbt_dynar_free(&ETag_surfxml_platform_cb_list);
  97   xbt_dynar_free(&STag_surfxml_host_cb_list);
  98   xbt_dynar_free(&ETag_surfxml_host_cb_list);
  99   xbt_dynar_free(&STag_surfxml_router_cb_list);
 100   xbt_dynar_free(&ETag_surfxml_router_cb_list);
 101   xbt_dynar_free(&STag_surfxml_link_cb_list);
 102   xbt_dynar_free(&ETag_surfxml_link_cb_list);
 103   xbt_dynar_free(&STag_surfxml_route_cb_list);
 104   xbt_dynar_free(&ETag_surfxml_route_cb_list);
 105   xbt_dynar_free(&STag_surfxml_link_c_ctn_cb_list);
 106   xbt_dynar_free(&ETag_surfxml_link_c_ctn_cb_list);
 107   xbt_dynar_free(&STag_surfxml_process_cb_list);
 108   xbt_dynar_free(&ETag_surfxml_process_cb_list);
 109   xbt_dynar_free(&STag_surfxml_argument_cb_list);
 110   xbt_dynar_free(&ETag_surfxml_argument_cb_list);
 111   xbt_dynar_free(&STag_surfxml_prop_cb_list);
 112   xbt_dynar_free(&ETag_surfxml_prop_cb_list);
 113   xbt_dynar_free(&STag_surfxml_set_cb_list);
 114   xbt_dynar_free(&ETag_surfxml_set_cb_list);
 115   xbt_dynar_free(&STag_surfxml_foreach_cb_list);
 116   xbt_dynar_free(&ETag_surfxml_foreach_cb_list);
 117   xbt_dynar_free(&STag_surfxml_route_c_multi_cb_list);
 118   xbt_dynar_free(&ETag_surfxml_route_c_multi_cb_list);
 119   xbt_dynar_free(&STag_surfxml_cluster_cb_list);
 120   xbt_dynar_free(&ETag_surfxml_cluster_cb_list);
 121   xbt_dynar_free(&STag_surfxml_trace_cb_list);
 122   xbt_dynar_free(&ETag_surfxml_trace_cb_list);
 123   xbt_dynar_free(&STag_surfxml_trace_c_connect_cb_list);
 124   xbt_dynar_free(&ETag_surfxml_trace_c_connect_cb_list);
 125   xbt_dynar_free(&STag_surfxml_random_cb_list);
 126   xbt_dynar_free(&ETag_surfxml_random_cb_list);
 127 }
 128
 129 void surf_parse_reset_parser(void)
 130 {
 131   surf_parse_free_callbacks();
 132   STag_surfxml_platform_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 133   ETag_surfxml_platform_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 134   STag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 135   ETag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 136   STag_surfxml_router_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 137   ETag_surfxml_router_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 138   STag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 139   ETag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 140   STag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 141   ETag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 142   STag_surfxml_link_c_ctn_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 143   ETag_surfxml_link_c_ctn_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 144   STag_surfxml_process_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 145   ETag_surfxml_process_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 146   STag_surfxml_argument_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 147   ETag_surfxml_argument_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 148   STag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 149   ETag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 150   STag_surfxml_set_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 151   ETag_surfxml_set_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 152   STag_surfxml_foreach_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 153   ETag_surfxml_foreach_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 154   STag_surfxml_route_c_multi_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 155   ETag_surfxml_route_c_multi_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 156   STag_surfxml_cluster_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 157   ETag_surfxml_cluster_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 158   STag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 159   ETag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 160   STag_surfxml_trace_c_connect_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 161   ETag_surfxml_trace_c_connect_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 162   STag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 163   ETag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 164 }
 165
 166 void STag_surfxml_include(void)
 167 {
 168   xbt_dynar_push(surf_input_buffer_stack, &surf_input_buffer);
 169   xbt_dynar_push(surf_file_to_parse_stack, &surf_file_to_parse);
 170
 171   surf_file_to_parse = surf_fopen(A_surfxml_include_file, "r");
 172   xbt_assert1((surf_file_to_parse), "Unable to open \"%s\"\n",
 173               A_surfxml_include_file);
 174   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, 10);
 175   surf_parse__switch_to_buffer(surf_input_buffer);
 176   printf("STAG\n");
 177   fflush(NULL);
 178 }
 179
 180 void ETag_surfxml_include(void)
 181 {
 182   printf("ETAG\n");
 183   fflush(NULL);
 184   surf_parse__delete_buffer(surf_input_buffer);
 185   fclose(surf_file_to_parse);
 186   xbt_dynar_pop(surf_file_to_parse_stack, &surf_file_to_parse);
 187   xbt_dynar_pop(surf_input_buffer_stack, &surf_input_buffer);
 188 }
 189
 190 void STag_surfxml_platform(void)
 191 {
 192   double version = 0.0;
 193
 194   sscanf(A_surfxml_platform_version, "%lg", &version);
 195
 196   xbt_assert0((version >= 1.0), "******* BIG FAT WARNING *********\n "
 197               "You're using an ancient XML file. "
 198               "Since SimGrid 3.1, units are Bytes, Flops, and seconds "
 199               "instead of MBytes, MFlops and seconds. "
 200               "A script (surfxml_update.pl) to help you convert your old "
 201               "platform files "
 202               "is available in the contrib/platform_generation directory "
 203               "of the simgrid repository. Please check also out the "
 204               "SURF section of the ChangeLog for the 3.1 version. "
 205               "Last, do not forget to also update your values for "
 206               "the calls to MSG_task_create (if any).");
 207   xbt_assert0((version >= 2.0), "******* BIG FAT WARNING *********\n "
 208               "You're using an old XML file. "
 209               "A script (surfxml_update.pl) to help you convert your old "
 210               "platform files "
 211               "is available in the contrib/platform_generation directory "
 212               "of the simgrid repository.");
 213
 214   if (set_list == NULL) set_list = xbt_dict_new();
 215
 216   surfxml_call_cb_functions(STag_surfxml_platform_cb_list);
 217
 218 }
 219
 220 void ETag_surfxml_platform(void)
 221 {
 222   convert_route_multi_to_routes();
 223
 224   surfxml_call_cb_functions(ETag_surfxml_platform_cb_list);
 225
 226   xbt_dict_free(&random_data_list);
 227   xbt_dict_free(&set_list);
 228
 229 }
 230
 231 void STag_surfxml_host(void)
 232 {
 233   surfxml_call_cb_functions(STag_surfxml_host_cb_list);
 234 }
 235
 236 void ETag_surfxml_host(void)
 237 {
 238   surfxml_call_cb_functions(ETag_surfxml_host_cb_list);
 239 }
 240
 241 void STag_surfxml_router(void)
 242 {
 243   surfxml_call_cb_functions(STag_surfxml_router_cb_list);
 244 }
 245
 246 void ETag_surfxml_router(void)
 247 {
 248   surfxml_call_cb_functions(ETag_surfxml_router_cb_list);
 249 }
 250
 251 void STag_surfxml_link(void)
 252 {
 253   surfxml_call_cb_functions(STag_surfxml_link_cb_list);
 254 }
 255
 256 void ETag_surfxml_link(void)
 257 {
 258   surfxml_call_cb_functions(ETag_surfxml_link_cb_list);
 259 }
 260
 261 void STag_surfxml_route(void)
 262 {
 263   surfxml_call_cb_functions(STag_surfxml_route_cb_list);
 264 }
 265
 266 void ETag_surfxml_route(void)
 267 {
 268   surfxml_call_cb_functions(ETag_surfxml_route_cb_list);
 269 }
 270
 271 void STag_surfxml_link_c_ctn(void)
 272 {
 273   surfxml_call_cb_functions(STag_surfxml_link_c_ctn_cb_list);
 274 }
 275
 276 void ETag_surfxml_link_c_ctn(void)
 277 {
 278   surfxml_call_cb_functions(ETag_surfxml_link_c_ctn_cb_list);
 279 }
 280
 281 void STag_surfxml_process(void)
 282 {
 283   surfxml_call_cb_functions(STag_surfxml_process_cb_list);
 284 }
 285
 286 void ETag_surfxml_process(void)
 287 {
 288   surfxml_call_cb_functions(ETag_surfxml_process_cb_list);
 289 }
 290
 291 void STag_surfxml_argument(void)
 292 {
 293   surfxml_call_cb_functions(STag_surfxml_argument_cb_list);
 294 }
 295
 296 void ETag_surfxml_argument(void)
 297 {
 298   surfxml_call_cb_functions(ETag_surfxml_argument_cb_list);
 299 }
 300
 301 void STag_surfxml_prop(void)
 302 {
 303   surfxml_call_cb_functions(STag_surfxml_prop_cb_list);
 304 }
 305 void ETag_surfxml_prop(void)
 306 {
 307   surfxml_call_cb_functions(ETag_surfxml_prop_cb_list);
 308 }
 309
 310 void STag_surfxml_set(void)
 311 {
 312   surfxml_call_cb_functions(STag_surfxml_set_cb_list);
 313 }
 314
 315 void ETag_surfxml_set(void)
 316 {
 317   surfxml_call_cb_functions(ETag_surfxml_set_cb_list);
 318 }
 319
 320 void STag_surfxml_foreach(void)
 321 {
 322   /* Save the current buffer */
 323   old_buff = surfxml_bufferstack;
 324   surfxml_call_cb_functions(STag_surfxml_foreach_cb_list);
 325 }
 326
 327 void ETag_surfxml_foreach(void)
 328 {
 329   surfxml_call_cb_functions(ETag_surfxml_foreach_cb_list);
 330
 331   /* free the temporary dynar and restore original */
 332   xbt_dynar_free(&STag_surfxml_host_cb_list);
 333   xbt_dynar_free(&ETag_surfxml_host_cb_list);
 334
 335   STag_surfxml_host_cb_list = main_STag_surfxml_host_cb_list;
 336   ETag_surfxml_host_cb_list = main_ETag_surfxml_host_cb_list;
 337
 338   /* free the temporary dynar and restore original */
 339   xbt_dynar_free(&STag_surfxml_link_cb_list);
 340   xbt_dynar_free(&ETag_surfxml_link_cb_list);
 341
 342   STag_surfxml_link_cb_list = main_STag_surfxml_link_cb_list;
 343   ETag_surfxml_link_cb_list = main_ETag_surfxml_link_cb_list;
 344
 345 }
 346
 347 void STag_surfxml_route_c_multi(void)
 348 {
 349   surfxml_call_cb_functions(STag_surfxml_route_c_multi_cb_list);
 350 }
 351
 352 void ETag_surfxml_route_c_multi(void)
 353 {
 354   surfxml_call_cb_functions(ETag_surfxml_route_c_multi_cb_list);
 355 }
 356
 357 void STag_surfxml_cluster(void)
 358 {
 359   surfxml_call_cb_functions(STag_surfxml_cluster_cb_list);
 360 }
 361
 362 void ETag_surfxml_cluster(void)
 363 {
 364   surfxml_call_cb_functions(ETag_surfxml_cluster_cb_list);
 365 }
 366
 367 void STag_surfxml_trace(void)
 368 {
 369   surfxml_call_cb_functions(STag_surfxml_trace_cb_list);
 370 }
 371
 372 void ETag_surfxml_trace(void)
 373 {
 374   surfxml_call_cb_functions(ETag_surfxml_trace_cb_list);
 375 }
 376
 377 void STag_surfxml_trace_c_connect(void)
 378 {
 379   surfxml_call_cb_functions(STag_surfxml_trace_c_connect_cb_list);
 380 }
 381
 382 void ETag_surfxml_trace_c_connect(void)
 383 {
 384   surfxml_call_cb_functions(ETag_surfxml_trace_c_connect_cb_list);
 385 }
 386
 387 void STag_surfxml_random(void)
 388 {
 389   surfxml_call_cb_functions(STag_surfxml_random_cb_list);
 390 }
 391
 392 void ETag_surfxml_random(void)
 393 {
 394   surfxml_call_cb_functions(ETag_surfxml_random_cb_list);
 395 }
 396
 397 void surf_parse_open(const char *file)
 398 {
 399   static int warned = 0;        /* warn only once */
 400   if (!file) {
 401     if (!warned) {
 402       WARN0
 403           ("Bypassing the XML parser since surf_parse_open received a NULL pointer. If it is not what you want, go fix your code.");
 404       warned = 1;
 405     }
 406     return;
 407   }
 408   if (!surf_input_buffer_stack)
 409     surf_input_buffer_stack = xbt_dynar_new(sizeof(YY_BUFFER_STATE), NULL);
 410   if (!surf_file_to_parse_stack)
 411     surf_file_to_parse_stack = xbt_dynar_new(sizeof(FILE *), NULL);
 412
 413   surf_file_to_parse = surf_fopen(file, "r");
 414   xbt_assert1((surf_file_to_parse), "Unable to open \"%s\"\n", file);
 415   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, 10);
 416   surf_parse__switch_to_buffer(surf_input_buffer);
 417   surf_parse_lineno = 1;
 418 }
 419
 420 void surf_parse_close(void)
 421 {
 422   if (surf_input_buffer_stack)
 423     xbt_dynar_free(&surf_input_buffer_stack);
 424   if (surf_file_to_parse_stack)
 425     xbt_dynar_free(&surf_file_to_parse_stack);
 426
 427   if (surf_file_to_parse) {
 428     surf_parse__delete_buffer(surf_input_buffer);
 429     fclose(surf_file_to_parse);
 430   }
 431 }
 432
 433
 434 static int _surf_parse(void)
 435 {
 436   return surf_parse_lex();
 437 }
 438
 439 int_f_void_t surf_parse = _surf_parse;
 440
 441 void surf_parse_get_double(double *value, const char *string)
 442 {
 443   int ret = 0;
 444
 445   ret = sscanf(string, "%lg", value);
 446   xbt_assert2((ret == 1), "Parse error line %d : %s not a number",
 447               surf_parse_lineno, string);
 448 }
 449
 450 void surf_parse_get_int(int *value, const char *string)
 451 {
 452   int ret = 0;
 453
 454   ret = sscanf(string, "%d", value);
 455   xbt_assert2((ret == 1), "Parse error line %d : %s not a number",
 456               surf_parse_lineno, string);
 457 }
 458
 459 void surf_parse_get_trace(tmgr_trace_t * trace, const char *string)
 460 {
 461   if ((!string) || (strcmp(string, "") == 0))
 462     *trace = NULL;
 463   else
 464     *trace = tmgr_trace_new(string);
 465 }
 466
 467 void parse_properties(void)
 468 {
 469   char *value = NULL;
 470
 471   if(!current_property_set) current_property_set = xbt_dict_new();
 472
 473    value = xbt_strdup(A_surfxml_prop_value);
 474    xbt_dict_set(current_property_set, A_surfxml_prop_id, value, free);
 475
 476 }
 477
 478 void free_string(void *d)
 479 {
 480   free(*(void**)d);
 481 }
 482
 483 void surfxml_add_callback(xbt_dynar_t cb_list, void_f_void_t function)
 484 {
 485   xbt_dynar_push(cb_list, &function);
 486 }
 487
 488 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t cb_list)
 489 {
 490   unsigned int iterator;
 491   void_f_void_t fun;
 492   xbt_dynar_foreach(cb_list, iterator, fun){
 493        DEBUG2("call %p %p",fun,*fun);
 494        (*fun)();
 495     }
 496 }
 497
 498 void init_data(void)
 499 {
 500   xbt_dict_free(&route_table);
 501   xbt_dynar_free(&route_link_list);
 502   route_table = xbt_dict_new();
 503
 504   route_multi_table = xbt_dict_new();
 505   route_multi_elements = xbt_dynar_new(sizeof(char*), NULL);
 506   traces_set_list = xbt_dict_new();
 507   traces_connect_list = xbt_dynar_new(sizeof(char*), NULL);
 508   random_data_list = xbt_dict_new();
 509
 510 }
 511
 512 void parse_platform_file(const char* file)
 513 {
 514   surf_parse_open(file);
 515   xbt_assert1((!(*surf_parse)()), "Parse error in %s", file);
 516   surf_parse_close();
 517 }
 518
 519 /* Functions to bypass route, host and link tags. Used by the foreach and route:multi tags */
 520
 521 static void parse_make_temporary_route(const char *src, const char *dst, int action)
 522 {
 523   int AX_ptr = 0;
 524   surfxml_bufferstack = xbt_new0(char, 2048);
 525
 526   A_surfxml_route_action = action;
 527   SURFXML_BUFFER_SET(route_src,                     src);
 528   SURFXML_BUFFER_SET(route_dst,                     dst);
 529   SURFXML_BUFFER_SET(route_impact_on_src,                 "0.0");
 530   SURFXML_BUFFER_SET(route_impact_on_dst,                 "0.0");
 531   SURFXML_BUFFER_SET(route_impact_on_src_with_other_recv, "0.0");
 532   SURFXML_BUFFER_SET(route_impact_on_dst_with_other_send, "0.0");
 533 }
 534
 535 static void parse_change_cpu_data(const char* hostName, const char* surfxml_host_power, const char* surfxml_host_availability,
 536                                         const char* surfxml_host_availability_file, const char* surfxml_host_state_file,
 537                                         const char* surfxml_host_interference_send, const char* surfxml_host_interference_recv,
 538                                         const char* surfxml_host_interference_send_recv, const char* surfxml_host_max_outgoing_rate)
 539 {
 540   int AX_ptr = 0;
 541   surfxml_bufferstack = xbt_new0(char, 2048);
 542
 543   SURFXML_BUFFER_SET(host_id,                     hostName);
 544   SURFXML_BUFFER_SET(host_power,                  surfxml_host_power /*hostPower*/);
 545   SURFXML_BUFFER_SET(host_availability,           surfxml_host_availability);
 546   SURFXML_BUFFER_SET(host_availability_file,      surfxml_host_availability_file);
 547   SURFXML_BUFFER_SET(host_state_file,             surfxml_host_state_file);
 548   SURFXML_BUFFER_SET(host_interference_send,      surfxml_host_interference_send);
 549   SURFXML_BUFFER_SET(host_interference_recv,      surfxml_host_interference_recv);
 550   SURFXML_BUFFER_SET(host_interference_send_recv, surfxml_host_interference_send_recv);
 551   SURFXML_BUFFER_SET(host_max_outgoing_rate,      surfxml_host_max_outgoing_rate);
 552 }
 553
 554 static void parse_change_link_data(const char* linkName, const char* surfxml_link_bandwidth, const char* surfxml_link_bandwidth_file,
 555                                         const char* surfxml_link_latency, const char* surfxml_link_latency_file, const char* surfxml_link_state_file)
 556 {
 557   int AX_ptr = 0;
 558   surfxml_bufferstack = xbt_new0(char, 2048);
 559
 560   SURFXML_BUFFER_SET(link_id,                linkName);
 561   SURFXML_BUFFER_SET(link_bandwidth,         surfxml_link_bandwidth);
 562   SURFXML_BUFFER_SET(link_bandwidth_file,    surfxml_link_bandwidth_file);
 563   SURFXML_BUFFER_SET(link_latency,           surfxml_link_latency);
 564   SURFXML_BUFFER_SET(link_latency_file,      surfxml_link_latency_file);
 565   SURFXML_BUFFER_SET(link_state_file,        surfxml_link_state_file);
 566 }
 567
 568 /**
 569 * \brief Restores the original surfxml buffer
 570 */
 571 static void parse_restore_original_buffer(void)
 572 {
 573   free(surfxml_bufferstack);
 574   surfxml_bufferstack = old_buff;
 575 }
 576
 577 /* Functions for the sets and foreach tags */
 578
 579 void parse_sets(void)
 580 {
 581   char *id, *suffix, *prefix, *radical;
 582   int start, end;
 583   xbt_dynar_t radical_ends;
 584   xbt_dynar_t current_set;
 585   char *value;
 586   int i;
 587
 588   id = xbt_strdup(A_surfxml_set_id);
 589   prefix = xbt_strdup(A_surfxml_set_prefix);
 590   suffix = xbt_strdup(A_surfxml_set_suffix);
 591   radical = xbt_strdup(A_surfxml_set_radical);
 592
 593   xbt_assert1(!xbt_dict_get_or_null(set_list, id),
 594               "Set '%s' declared several times in the platform file.",id);
 595   radical_ends = xbt_str_split(radical, "-");
 596   xbt_assert1((xbt_dynar_length(radical_ends)==2), "Radical must be in the form lvalue-rvalue! Provided value: %s", radical);
 597
 598   surf_parse_get_int(&start, xbt_dynar_get_as(radical_ends, 0, char*));
 599   surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char*));
 600
 601   current_set = xbt_dynar_new(sizeof(char*), NULL);
 602
 603
 604   for (i=start; i<end; i++) {
 605      value = bprintf("%s%d%s", prefix, i, suffix);
 606      xbt_dynar_push(current_set, &value);
 607   }
 608
 609   xbt_dict_set(set_list, id, current_set, NULL);
 610 }
 611
 612 static void parse_host_foreach(void)
 613 {
 614   xbt_dynar_t names = NULL;
 615   unsigned int cpt = 0;
 616   char *name;
 617   const char* surfxml_host_power;
 618   const char* surfxml_host_availability;
 619   const char* surfxml_host_availability_file;
 620   const char* surfxml_host_state_file;
 621   const char* surfxml_host_interference_send;
 622   const char* surfxml_host_interference_recv;
 623   const char *surfxml_host_interference_send_recv;
 624   const char* surfxml_host_max_outgoing_rate;
 625
 626   xbt_assert1((names = xbt_dict_get_or_null(set_list, foreach_set_name)),
 627               "Set name '%s' reffered by foreach tag not found.", foreach_set_name);
 628
 629   xbt_assert1((strcmp(A_surfxml_host_id, "$1") == 0), "The id of the host within the foreach should point to the foreach set_id (use $1). Your value: %s", A_surfxml_host_id);
 630
 631   surfxml_host_power = A_surfxml_host_power;
 632   surfxml_host_availability = A_surfxml_host_availability;
 633   surfxml_host_availability_file = A_surfxml_host_availability_file;
 634   surfxml_host_state_file = A_surfxml_host_state_file;
 635   surfxml_host_interference_send = A_surfxml_host_interference_send;
 636   surfxml_host_interference_recv = A_surfxml_host_interference_recv;
 637   surfxml_host_interference_send_recv = A_surfxml_host_interference_send_recv;
 638   surfxml_host_max_outgoing_rate = A_surfxml_host_max_outgoing_rate;
 639
 640   /* foreach name in set call the main host callback */
 641   xbt_dynar_foreach (names, cpt, name) {
 642     parse_change_cpu_data(name, surfxml_host_power, surfxml_host_availability,
 643                                         surfxml_host_availability_file, surfxml_host_state_file,
 644                                         surfxml_host_interference_send, surfxml_host_interference_recv,
 645                                         surfxml_host_interference_send_recv, surfxml_host_max_outgoing_rate);
 646     surfxml_call_cb_functions(main_STag_surfxml_host_cb_list);
 647     surfxml_call_cb_functions(main_ETag_surfxml_host_cb_list);
 648     free(surfxml_bufferstack);
 649   }
 650
 651   surfxml_bufferstack = old_buff;
 652
 653 }
 654
 655 static void parse_link_foreach(void)
 656 {
 657   xbt_dynar_t names = NULL;
 658   unsigned int cpt = 0;
 659   char *name;
 660   const char* surfxml_link_bandwidth;
 661   const char* surfxml_link_bandwidth_file;
 662   const char* surfxml_link_latency;
 663   const char* surfxml_link_latency_file;
 664   const char* surfxml_link_state_file;
 665
 666   xbt_assert1((names = xbt_dict_get_or_null(set_list, foreach_set_name)),
 667               "Set name '%s' reffered by foreach tag not found.", foreach_set_name);
 668
 669   xbt_assert1((strcmp(A_surfxml_link_id, "$1") == 0), "The id of the link within the foreach should point to the foreach set_id (use $1). Your value: %s", A_surfxml_link_id);
 670
 671   surfxml_link_bandwidth = A_surfxml_link_bandwidth;
 672   surfxml_link_bandwidth_file = A_surfxml_link_bandwidth_file;
 673   surfxml_link_latency = A_surfxml_link_latency;
 674   surfxml_link_latency_file = A_surfxml_link_latency_file;
 675   surfxml_link_state_file = A_surfxml_link_state_file;
 676   /* for each name in set call the main link callback */
 677   xbt_dynar_foreach (names, cpt, name) {
 678     parse_change_link_data(name, surfxml_link_bandwidth, surfxml_link_bandwidth_file,
 679                                         surfxml_link_latency, surfxml_link_latency_file, surfxml_link_state_file);
 680     surfxml_call_cb_functions(main_STag_surfxml_link_cb_list);
 681     surfxml_call_cb_functions(main_ETag_surfxml_link_cb_list);
 682    free(surfxml_bufferstack);
 683
 684   }
 685
 686   surfxml_bufferstack = old_buff;
 687 }
 688
 689 void parse_foreach(void)
 690 {
 691   /* save the host & link callbacks */
 692   main_STag_surfxml_host_cb_list = STag_surfxml_host_cb_list;
 693   main_ETag_surfxml_host_cb_list = ETag_surfxml_host_cb_list;
 694   main_STag_surfxml_link_cb_list = STag_surfxml_link_cb_list;
 695   main_ETag_surfxml_link_cb_list = ETag_surfxml_link_cb_list;
 696
 697   /* define host & link callbacks to be used only by the foreach tag */
 698   STag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 699   ETag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 700   STag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 701   ETag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t),NULL);
 702
 703   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_host_foreach);
 704   surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_foreach);
 705
 706   /* get set name */
 707   foreach_set_name = xbt_strdup(A_surfxml_foreach_set_id);
 708 }
 709
 710 /* Route:multi functions */
 711
 712 static int route_multi_size=0;
 713 static char* src_name, *dst_name;
 714 static int is_symmetric_route;
 715
 716 void parse_route_elem(void)
 717 {
 718   char *val;
 719
 720   val = xbt_strdup(A_surfxml_link_c_ctn_id);
 721
 722   xbt_dynar_push(route_link_list, &val);
 723 }
 724
 725 void parse_route_multi_set_endpoints(void)
 726 {
 727   src_name = xbt_strdup(A_surfxml_route_c_multi_src);
 728   dst_name = xbt_strdup(A_surfxml_route_c_multi_dst);
 729   route_action = A_surfxml_route_c_multi_action;
 730   is_symmetric_route = A_surfxml_route_c_multi_symmetric;
 731   route_multi_size++;
 732
 733   route_link_list = xbt_dynar_new(sizeof(char *), &free_string);
 734 }
 735
 736 static int contains(xbt_dynar_t list, const char* value)
 737 {
 738  unsigned int cpt;
 739  char * val;
 740  xbt_dynar_foreach(list, cpt, val) {
 741    if (strcmp(val, value) == 0)
 742       return 1;
 743   }
 744   return 0;
 745 }
 746
 747 /*
 748    This function is used to append or override the contents of an alread existing route in the case a new one with its name is found.
 749    The decision is based upon the value of action specified in the xml route:multi attribute action
 750  */
 751 void manage_route(xbt_dict_t routing_table, const char *route_name, int action, int isMultiRoute)
 752 {
 753   unsigned int cpt;
 754   xbt_dynar_t links;
 755   char *value;
 756
 757   /* get already existing list if it exists */
 758   links = xbt_dict_get_or_null(routing_table, route_name);
 759   DEBUG1("ROUTE: %s", route_name);
 760   if (links != NULL) {
 761      switch (action) {
 762         case A_surfxml_route_c_multi_action_PREPEND: /* add existing links at the end; route_link_list + links */
 763                                     xbt_dynar_foreach(links, cpt, value) {
 764                                        xbt_dynar_push(route_link_list,&value);
 765                                     }
 766                                     break;
 767         case A_surfxml_route_c_multi_action_POSTPEND: /* add existing links in front; links + route_link_list */
 768                                     xbt_dynar_foreach(route_link_list, cpt, value) {
 769                                        xbt_dynar_push(links,&value);
 770                                     }
 771                                     route_link_list = links;
 772                                     break;
 773         case A_surfxml_route_c_multi_action_OVERRIDE:
 774                                     break;
 775         default:break;
 776      }
 777   }
 778   /* this is the final route; do not add if name is a set; add only if name is in set list */
 779   if (!isMultiRoute){
 780     xbt_dict_set(routing_table, route_name, route_link_list, NULL);
 781   }
 782 }
 783
 784 void parse_route_multi_set_route(void)
 785 {
 786   char* route_name;
 787
 788   route_name = bprintf("%s#%s#%d#%d#%d", src_name, dst_name, route_action, is_symmetric_route, route_multi_size);
 789
 790   xbt_dynar_push(route_multi_elements, &route_name);
 791
 792   /* Add route */
 793   xbt_dict_set(route_multi_table, route_name, route_link_list, NULL);
 794   /* add symmetric if it is the case */
 795   if (is_symmetric_route == 1) {
 796     char * symmetric_name = bprintf("%s#%s#%d#%d#%d", dst_name, src_name, route_action, !is_symmetric_route, route_multi_size);
 797
 798     xbt_dict_set(route_multi_table, symmetric_name, route_link_list, NULL);
 799     xbt_dynar_push(route_multi_elements, &symmetric_name);
 800     is_symmetric_route = 0;
 801   }
 802   free(src_name);
 803   free(dst_name);
 804 }
 805
 806 static void add_multi_links(const char* src, const char* dst, xbt_dynar_t links, const char* src_name, const char* dst_name)
 807 {
 808   unsigned int cpt;
 809   char* value, *val;
 810    parse_make_temporary_route(src_name, dst_name, route_action);
 811    surfxml_call_cb_functions(STag_surfxml_route_cb_list);
 812    DEBUG2("\tADDING ROUTE: %s -> %s", src_name, dst_name);
 813    /* Build link list */
 814    xbt_dynar_foreach(links, cpt, value) {
 815      if (strcmp(value, src) == 0)
 816        val =  xbt_strdup(src_name);
 817      else if (strcmp(value, dst) == 0)
 818        val = xbt_strdup(dst_name);
 819      else if (strcmp(value, "$dst") == 0)
 820        val = xbt_strdup(dst_name);
 821      else if (strcmp(value, "$src") == 0)
 822        val = xbt_strdup(src_name);
 823      else
 824        val = xbt_strdup(value);
 825      DEBUG1("\t\tELEMENT: %s", val);
 826      xbt_dynar_push(route_link_list, &val);
 827    }
 828    surfxml_call_cb_functions(ETag_surfxml_route_cb_list);
 829    free(surfxml_bufferstack);
 830 }
 831
 832 static void convert_route_multi_to_routes(void)
 833 {
 834   xbt_dict_cursor_t cursor_w;
 835   int symmetric;
 836   unsigned int cpt, cpt2, cursor;
 837   char *src_host_name, *dst_host_name, *key, *src, *dst, *val, *key_w, *data_w;
 838   const char* sep="#";
 839   xbt_dynar_t src_names = NULL, dst_names = NULL, links;
 840
 841   if (!route_multi_elements) return;
 842
 843   old_buff = surfxml_bufferstack;
 844   /* Get all routes in the exact order they were entered in the platform file */
 845   xbt_dynar_foreach(route_multi_elements, cursor, key) {
 846      /* Get links for the route */
 847      links = (xbt_dynar_t)xbt_dict_get_or_null(route_multi_table, key);
 848      keys = xbt_str_split_str(key, sep);
 849      /* Get route ends */
 850      src = xbt_dynar_get_as(keys, 0, char*);
 851      dst = xbt_dynar_get_as(keys, 1, char*);
 852      route_action = atoi(xbt_dynar_get_as(keys, 2, char*));
 853      symmetric = atoi(xbt_dynar_get_as(keys, 3, char*));
 854
 855     /* Create the dynar of src and dst hosts for the new routes */
 856     /* NOTE: src and dst can be either set names or simple host names */
 857     src_names = (xbt_dynar_t)xbt_dict_get_or_null(set_list, src);
 858     dst_names = (xbt_dynar_t)xbt_dict_get_or_null(set_list, dst);
 859     /* Add to dynar even if they are simple names */
 860     if (src_names == NULL) {
 861        src_names = xbt_dynar_new(sizeof(char *), &free_string);
 862        val = xbt_strdup(src);
 863        xbt_dynar_push(src_names, &val);
 864     }
 865     if (dst_names == NULL) {
 866        dst_names = xbt_dynar_new(sizeof(char *), &free_string);
 867        val = xbt_strdup(dst);
 868        xbt_dynar_push(dst_names, &val);
 869     }
 870     /* Build the routes */
 871     DEBUG2("ADDING MULTI ROUTE: %s -> %s", xbt_dynar_get_as(keys, 0, char*), xbt_dynar_get_as(keys, 1, char*));
 872     xbt_dynar_foreach(src_names, cpt, src_host_name) {
 873       xbt_dynar_foreach(dst_names, cpt2, dst_host_name) {
 874         /* If dst is $* then set this route to have its dst point to all hosts */
 875         if (strcmp(src_host_name,"$*") != 0 && strcmp(dst_host_name,"$*") == 0){
 876                   xbt_dict_foreach(workstation_set, cursor_w, key_w, data_w) {
 877                           //int n = xbt_dynar_member(src_names, (char*)key_w);
 878                             add_multi_links(src, dst, links, src_host_name, key_w);
 879                   }
 880         }
 881         /* If src is $* then set this route to have its dst point to all hosts */
 882         if (strcmp(src_host_name,"$*") == 0 && strcmp(dst_host_name,"$*") != 0){
 883                   xbt_dict_foreach(workstation_set, cursor_w, key_w, data_w) {
 884                      // if (!symmetric || (symmetric && !contains(dst_names, key_w)))
 885                         add_multi_links(src, dst, links, key_w, dst_host_name);
 886                 }
 887         }
 888         /* if none of them are equal to $* */
 889         if (strcmp(src_host_name,"$*") != 0 && strcmp(dst_host_name,"$*") != 0) {
 890                         add_multi_links(src, dst, links, src_host_name, dst_host_name);
 891         }
 892       }
 893     }
 894   }
 895   surfxml_bufferstack = old_buff;
 896   xbt_dict_free(&route_multi_table);
 897   xbt_dynar_free(&route_multi_elements);
 898 }
 899
 900 /* Cluster tag functions */
 901
 902 void parse_cluster(void)
 903 {
 904    static int AX_ptr = 0;
 905    static int surfxml_bufferstack_size = 2048;
 906
 907    char* cluster_id = A_surfxml_cluster_id;
 908    char* cluster_prefix = A_surfxml_cluster_prefix;
 909    char* cluster_suffix = A_surfxml_cluster_suffix;
 910    char* cluster_radical = A_surfxml_cluster_radical;
 911    char* cluster_power = A_surfxml_cluster_power;
 912    char* cluster_bw = A_surfxml_cluster_bw;
 913    char* cluster_lat = A_surfxml_cluster_lat;
 914    char* cluster_bb_bw = A_surfxml_cluster_bb_bw;
 915    char* cluster_bb_lat = A_surfxml_cluster_bb_lat;
 916
 917    char* saved_buff = surfxml_bufferstack;
 918
 919    char * backbone_name;
 920
 921    surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
 922
 923    /* Make set */
 924    SURFXML_BUFFER_SET(set_id, cluster_id);
 925    SURFXML_BUFFER_SET(set_prefix, cluster_prefix);
 926    SURFXML_BUFFER_SET(set_suffix, cluster_suffix);
 927    SURFXML_BUFFER_SET(set_radical, cluster_radical);
 928
 929    SURFXML_START_TAG(set);
 930    SURFXML_END_TAG(set);
 931
 932    /* Make foreach */
 933    SURFXML_BUFFER_SET(foreach_set_id, cluster_id);
 934
 935    SURFXML_START_TAG(foreach);
 936
 937      /* Make host for the foreach */
 938      parse_change_cpu_data("$1", cluster_power, "1.0", "", "", "1.0", "1.0", "1.0","-1.0");
 939      A_surfxml_host_state = A_surfxml_host_state_ON;
 940
 941      SURFXML_START_TAG(host);
 942      SURFXML_END_TAG(host);
 943
 944      /* Make link for the foreach */
 945      parse_change_link_data("$1", cluster_bw, "", cluster_lat, "", "");
 946      A_surfxml_link_state = A_surfxml_link_state_ON;
 947      A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
 948
 949      SURFXML_START_TAG(link);
 950      SURFXML_END_TAG(link);
 951
 952    SURFXML_END_TAG(foreach);
 953
 954    /* Make backbone link */
 955    backbone_name = bprintf("%s_bb", cluster_id);
 956    parse_change_link_data(backbone_name, cluster_bb_bw, "", cluster_bb_lat, "", "");
 957    A_surfxml_link_state = A_surfxml_link_state_ON;
 958    A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;
 959
 960    SURFXML_START_TAG(link);
 961    SURFXML_END_TAG(link);
 962
 963    /* Make route multi with the outside world, i.e. cluster->$* */
 964    SURFXML_BUFFER_SET(route_c_multi_src, cluster_id);
 965    SURFXML_BUFFER_SET(route_c_multi_dst, "$*");
 966    A_surfxml_route_c_multi_symmetric = A_surfxml_route_c_multi_symmetric_NO;
 967    A_surfxml_route_c_multi_action = A_surfxml_route_c_multi_action_OVERRIDE;
 968
 969    SURFXML_START_TAG(route_c_multi);
 970
 971      SURFXML_BUFFER_SET(link_c_ctn_id, "$src");
 972
 973      SURFXML_START_TAG(link_c_ctn);
 974      SURFXML_END_TAG(link_c_ctn);
 975
 976    SURFXML_END_TAG(route_c_multi);
 977
 978    /* Make route multi between cluster hosts, i.e. cluster->cluster */
 979    SURFXML_BUFFER_SET(route_c_multi_src, cluster_id);
 980    SURFXML_BUFFER_SET(route_c_multi_dst, cluster_id);
 981    A_surfxml_route_c_multi_action = A_surfxml_route_c_multi_action_POSTPEND;
 982    A_surfxml_route_c_multi_symmetric = A_surfxml_route_c_multi_symmetric_NO;
 983
 984    SURFXML_START_TAG(route_c_multi);
 985
 986      SURFXML_BUFFER_SET(link_c_ctn_id, backbone_name);
 987
 988      SURFXML_START_TAG(link_c_ctn);
 989      SURFXML_END_TAG(link_c_ctn);
 990
 991    SURFXML_END_TAG(route_c_multi);
 992
 993
 994    /* Restore buff */
 995    free(surfxml_bufferstack);
 996    surfxml_bufferstack = saved_buff;
 997 }
 998
 999 /* Trace management functions */
1000
1001 static double trace_periodicity = -1.0;
1002 static char* trace_file = NULL;
1003 static char* trace_id;
1004
1005 void parse_trace_init(void)
1006 {
1007    trace_id = strdup(A_surfxml_trace_id);
1008    trace_file = strdup(A_surfxml_trace_file);
1009    surf_parse_get_double(&trace_periodicity, A_surfxml_trace_periodicity);
1010 }
1011
1012 void parse_trace_finalize(void)
1013 {
1014   tmgr_trace_t trace;
1015   if (!trace_file || strcmp(trace_file,"") != 0) {
1016     surf_parse_get_trace(&trace, trace_file);
1017   }
1018   else {
1019     if (strcmp(surfxml_pcdata, "") == 0) trace = NULL;
1020     else
1021       trace = tmgr_trace_new_from_string(trace_id, surfxml_pcdata, trace_periodicity);
1022   }
1023   xbt_dict_set(traces_set_list, trace_id, (void *)trace, NULL);
1024 }
1025
1026 void parse_trace_c_connect(void)
1027 {
1028         char* trace_connect;
1029    xbt_assert1(xbt_dict_get_or_null(traces_set_list, A_surfxml_trace_c_connect_trace_id),
1030               "Trace %s undefined", A_surfxml_trace_c_connect_trace_id);
1031    trace_connect = bprintf("%s#%d#%d#%s", A_surfxml_trace_c_connect_trace_id, A_surfxml_trace_c_connect_element,
1032                                    A_surfxml_trace_c_connect_kind, A_surfxml_trace_c_connect_connector_id);
1033    xbt_dynar_push(traces_connect_list, &trace_connect);
1034 }
1035
1036 /* Random tag functions */
1037
1038 double get_cpu_power(const char *power)
1039 {
1040   double power_scale = 0.0;
1041   const char *p, *q;
1042   char *generator;
1043   random_data_t random = NULL;
1044   /* randomness is inserted like this: power="$rand(my_random)" */
1045   if (((p = strstr(power, "$rand(")) != NULL) && ((q = strstr(power, ")")) != NULL)) {
1046      if (p < q) {
1047        generator = xbt_malloc(q - (p + 6) + 1);
1048        memcpy(generator, p + 6, q - (p + 6));
1049        generator[q - (p + 6)] = '\0';
1050        xbt_assert1((random = xbt_dict_get_or_null(random_data_list, generator)),
1051               "Random generator %s undefined", generator);
1052        power_scale = random_generate(random);
1053      }
1054   }
1055   else {
1056     surf_parse_get_double(&power_scale, power);
1057   }
1058   return power_scale;
1059 }
1060
1061 int random_min, random_max, random_mean, random_std_deviation, random_generator;
1062 char *random_id;
1063
1064 void init_randomness(void)
1065 {
1066   random_id = A_surfxml_random_id;
1067   surf_parse_get_int(&random_min, A_surfxml_random_min);
1068   surf_parse_get_int(&random_max, A_surfxml_random_max);
1069   surf_parse_get_int(&random_mean, A_surfxml_random_mean);
1070   surf_parse_get_int(&random_std_deviation, A_surfxml_random_std_deviation);
1071   random_generator = A_surfxml_random_generator;
1072 }
1073
1074 void add_randomness(void)
1075 {
1076    /* If needed aditional properties can be added by using the prop tag */
1077    random_data_t random = random_new(random_generator, random_min, random_max, random_mean, random_std_deviation);
1078    xbt_dict_set(random_data_list, random_id, (void *)random, NULL);
1079 }