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_trace_cb_list = NULL;
  80 xbt_dynar_t ETag_surfxml_trace_cb_list = NULL;
  81 xbt_dynar_t STag_surfxml_trace_connect_cb_list = NULL;
  82 xbt_dynar_t ETag_surfxml_trace_connect_cb_list = NULL;
  83 xbt_dynar_t STag_surfxml_random_cb_list = NULL;
  84 xbt_dynar_t ETag_surfxml_random_cb_list = NULL;
  85 xbt_dynar_t STag_surfxml_AS_cb_list = NULL;
  86 xbt_dynar_t ETag_surfxml_AS_cb_list = NULL;
  87 xbt_dynar_t STag_surfxml_ASroute_cb_list = NULL;
  88 xbt_dynar_t ETag_surfxml_ASroute_cb_list = NULL;
  89 xbt_dynar_t STag_surfxml_bypassRoute_cb_list = NULL;
  90 xbt_dynar_t ETag_surfxml_bypassRoute_cb_list = NULL;
  91 xbt_dynar_t STag_surfxml_config_cb_list = NULL;
  92 xbt_dynar_t ETag_surfxml_config_cb_list = NULL;
  93
  94 /* store the current property set for any tag */
  95 xbt_dict_t current_property_set = NULL;
  96 /* dictionary of random generator data */
  97 xbt_dict_t random_data_list = NULL;
  98
  99 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t);
 100
 101 YY_BUFFER_STATE surf_input_buffer;
 102 FILE *surf_file_to_parse = NULL;
 103
 104 static void surf_parse_error(char *msg);
 105
 106 static void parse_Stag_trace(void);
 107 static void parse_Etag_trace(void);
 108 static void parse_Stag_trace_connect(void);
 109
 110 static void init_randomness(void);
 111 static void add_randomness(void);
 112
 113 void surf_parse_free_callbacks(void)
 114 {
 115   xbt_dynar_free(&STag_surfxml_platform_cb_list);
 116   xbt_dynar_free(&ETag_surfxml_platform_cb_list);
 117   xbt_dynar_free(&STag_surfxml_host_cb_list);
 118   xbt_dynar_free(&ETag_surfxml_host_cb_list);
 119   xbt_dynar_free(&STag_surfxml_router_cb_list);
 120   xbt_dynar_free(&ETag_surfxml_router_cb_list);
 121   xbt_dynar_free(&STag_surfxml_link_cb_list);
 122   xbt_dynar_free(&ETag_surfxml_link_cb_list);
 123   xbt_dynar_free(&STag_surfxml_route_cb_list);
 124   xbt_dynar_free(&ETag_surfxml_route_cb_list);
 125   xbt_dynar_free(&STag_surfxml_link_ctn_cb_list);
 126   xbt_dynar_free(&ETag_surfxml_link_ctn_cb_list);
 127   xbt_dynar_free(&STag_surfxml_process_cb_list);
 128   xbt_dynar_free(&ETag_surfxml_process_cb_list);
 129   xbt_dynar_free(&STag_surfxml_argument_cb_list);
 130   xbt_dynar_free(&ETag_surfxml_argument_cb_list);
 131   xbt_dynar_free(&STag_surfxml_prop_cb_list);
 132   xbt_dynar_free(&ETag_surfxml_prop_cb_list);
 133   xbt_dynar_free(&STag_surfxml_trace_cb_list);
 134   xbt_dynar_free(&ETag_surfxml_trace_cb_list);
 135   xbt_dynar_free(&STag_surfxml_trace_connect_cb_list);
 136   xbt_dynar_free(&ETag_surfxml_trace_connect_cb_list);
 137   xbt_dynar_free(&STag_surfxml_random_cb_list);
 138   xbt_dynar_free(&ETag_surfxml_random_cb_list);
 139   xbt_dynar_free(&STag_surfxml_AS_cb_list);
 140   xbt_dynar_free(&ETag_surfxml_AS_cb_list);
 141   xbt_dynar_free(&STag_surfxml_ASroute_cb_list);
 142   xbt_dynar_free(&ETag_surfxml_ASroute_cb_list);
 143   xbt_dynar_free(&STag_surfxml_bypassRoute_cb_list);
 144   xbt_dynar_free(&ETag_surfxml_bypassRoute_cb_list);
 145   xbt_dynar_free(&STag_surfxml_cluster_cb_list);
 146   xbt_dynar_free(&ETag_surfxml_cluster_cb_list);
 147   xbt_dynar_free(&STag_surfxml_config_cb_list);
 148   xbt_dynar_free(&ETag_surfxml_config_cb_list);
 149 }
 150
 151 void surf_parse_reset_parser(void)
 152 {
 153   surf_parse_free_callbacks();
 154   STag_surfxml_platform_cb_list =
 155       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 156   ETag_surfxml_platform_cb_list =
 157       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 158   STag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 159   ETag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 160   STag_surfxml_router_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 161   ETag_surfxml_router_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 162   STag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 163   ETag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 164   STag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 165   ETag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 166   STag_surfxml_link_ctn_cb_list =
 167       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 168   ETag_surfxml_link_ctn_cb_list =
 169       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 170   STag_surfxml_process_cb_list =
 171       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 172   ETag_surfxml_process_cb_list =
 173       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 174   STag_surfxml_argument_cb_list =
 175       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 176   ETag_surfxml_argument_cb_list =
 177       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 178   STag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 179   ETag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 180   STag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 181   ETag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 182   STag_surfxml_trace_connect_cb_list =
 183       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 184   ETag_surfxml_trace_connect_cb_list =
 185       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 186   STag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 187   ETag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 188   STag_surfxml_AS_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 189   ETag_surfxml_AS_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 190   STag_surfxml_ASroute_cb_list =
 191       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 192   ETag_surfxml_ASroute_cb_list =
 193       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 194   STag_surfxml_bypassRoute_cb_list =
 195       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 196   ETag_surfxml_bypassRoute_cb_list =
 197       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 198   STag_surfxml_cluster_cb_list =
 199       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 200   ETag_surfxml_cluster_cb_list =
 201       xbt_dynar_new(sizeof(void_f_void_t), NULL);
 202   STag_surfxml_config_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 203   ETag_surfxml_config_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 204 }
 205
 206 /* Stag and Etag parse functions */
 207
 208 void STag_surfxml_platform(void)
 209 {
 210   double version = 0.0;
 211
 212   sscanf(A_surfxml_platform_version, "%lg", &version);
 213
 214   xbt_assert0((version >= 1.0), "******* BIG FAT WARNING *********\n "
 215               "You're using an ancient XML file. "
 216               "Since SimGrid 3.1, units are Bytes, Flops, and seconds "
 217               "instead of MBytes, MFlops and seconds. "
 218               "A script (surfxml_update.pl) to help you convert your old "
 219               "platform files "
 220               "is available in the contrib/platform_generation directory "
 221               "of the simgrid repository. Please check also out the "
 222               "SURF section of the ChangeLog for the 3.1 version. "
 223               "Last, do not forget to also update your values for "
 224               "the calls to MSG_task_create (if any).");
 225   xbt_assert0((version >= 2.0), "******* BIG FAT WARNING *********\n "
 226               "You're using an old XML file. "
 227               "A script (surfxml_update.pl) to help you convert your old "
 228               "platform files "
 229               "is available in the contrib/platform_generation directory "
 230               "of the simgrid repository.");
 231
 232   surfxml_call_cb_functions(STag_surfxml_platform_cb_list);
 233
 234 }
 235
 236 #define parse_method(type,name) \
 237 void type##Tag_surfxml_##name(void) \
 238 { surfxml_call_cb_functions(type##Tag_surfxml_##name##_cb_list); }
 239
 240 parse_method(E, platform);
 241 parse_method(S, host);
 242 parse_method(E, host);
 243 parse_method(S, router);
 244 parse_method(E, router);
 245 parse_method(S, link);
 246 parse_method(E, link);
 247 parse_method(S, route);
 248 parse_method(E, route);
 249 parse_method(S, link_ctn);
 250 parse_method(E, link_ctn);
 251 parse_method(S, process);
 252 parse_method(E, process);
 253 parse_method(S, argument);
 254 parse_method(E, argument);
 255 parse_method(S, prop);
 256 parse_method(E, prop);
 257 parse_method(S, trace);
 258 parse_method(E, trace);
 259 parse_method(S, trace_connect);
 260 parse_method(E, trace_connect);
 261 parse_method(S, random);
 262 parse_method(E, random);
 263 parse_method(S, AS);
 264 parse_method(E, AS);
 265 parse_method(S, ASroute);
 266 parse_method(E, ASroute);
 267 parse_method(S, bypassRoute);
 268 parse_method(E, bypassRoute);
 269 parse_method(S, cluster);
 270 parse_method(E, cluster);
 271 parse_method(S, config);
 272 parse_method(E, config);
 273
 274 /* Open and Close parse file */
 275
 276 void surf_parse_open(const char *file)
 277 {
 278   static int warned = 0;        /* warn only once */
 279   if (!file) {
 280     if (!warned) {
 281       WARN0
 282           ("Bypassing the XML parser since surf_parse_open received a NULL pointer. If it is not what you want, go fix your code.");
 283       warned = 1;
 284     }
 285     return;
 286   }
 287   surf_file_to_parse = surf_fopen(file, "r");
 288   xbt_assert1((surf_file_to_parse), "Unable to open \"%s\"\n", file);
 289   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, 10);
 290   surf_parse__switch_to_buffer(surf_input_buffer);
 291   surf_parse_lineno = 1;
 292 }
 293
 294 void surf_parse_close(void)
 295 {
 296   if (surf_file_to_parse) {
 297     surf_parse__delete_buffer(surf_input_buffer);
 298     fclose(surf_file_to_parse);
 299     surf_file_to_parse = NULL; //Must be reset for Bypass
 300   }
 301 }
 302
 303 /* Parse Function */
 304
 305 static int _surf_parse(void)
 306 {
 307   return surf_parse_lex();
 308 }
 309
 310 int_f_void_t surf_parse = _surf_parse;
 311
 312 void surf_parse_error(char *msg)
 313 {
 314   fprintf(stderr, "Parse error on line %d: %s\n", surf_parse_lineno, msg);
 315   abort();
 316 }
 317
 318 void surf_parse_get_double(double *value, const char *string)
 319 {
 320   int ret = 0;
 321   ret = sscanf(string, "%lg", value);
 322   if (ret != 1)
 323     surf_parse_error(bprintf("%s is not a double", string));
 324 }
 325
 326 void surf_parse_get_int(int *value, const char *string)
 327 {
 328   int ret = 0;
 329   ret = sscanf(string, "%d", value);
 330   if (ret != 1)
 331     surf_parse_error(bprintf("%s is not an integer", string));
 332 }
 333
 334 /* Aux parse functions */
 335
 336 void surfxml_add_callback(xbt_dynar_t cb_list, void_f_void_t function)
 337 {
 338   xbt_dynar_push(cb_list, &function);
 339 }
 340
 341 void surfxml_del_callback(xbt_dynar_t * p_cb_list, void_f_void_t function)
 342 {
 343   xbt_dynar_t new_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 344   unsigned int it;
 345   void_f_void_t func;
 346   xbt_dynar_foreach(*p_cb_list, it, func) {
 347     if (func != function)
 348       xbt_dynar_push(new_cb_list, &func);
 349   }
 350   xbt_dynar_free(p_cb_list);
 351   *p_cb_list = new_cb_list;
 352 }
 353
 354 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t cb_list)
 355 {
 356   unsigned int iterator;
 357   void_f_void_t fun;
 358   xbt_dynar_foreach(cb_list, iterator, fun) {
 359     (*fun) ();
 360   }
 361 }
 362
 363 /* Init and free parse data */
 364
 365 static void init_data(void)
 366 {
 367   if (!surfxml_bufferstack_stack)
 368     surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
 369
 370   random_data_list = xbt_dict_new();
 371   traces_set_list = xbt_dict_new();
 372   trace_connect_list_host_avail = xbt_dict_new();
 373   trace_connect_list_power = xbt_dict_new();
 374   trace_connect_list_link_avail = xbt_dict_new();
 375   trace_connect_list_bandwidth = xbt_dict_new();
 376   trace_connect_list_latency = xbt_dict_new();
 377
 378   surfxml_add_callback(STag_surfxml_random_cb_list, &init_randomness);
 379   surfxml_add_callback(ETag_surfxml_random_cb_list, &add_randomness);
 380   surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
 381   surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_Stag_trace);
 382   surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_Etag_trace);
 383   surfxml_add_callback(STag_surfxml_trace_connect_cb_list,
 384                        &parse_Stag_trace_connect);
 385 }
 386
 387 static void free_data(void)
 388 {
 389   xbt_dict_free(&trace_connect_list_host_avail);
 390   xbt_dict_free(&trace_connect_list_power);
 391   xbt_dict_free(&trace_connect_list_link_avail);
 392   xbt_dict_free(&trace_connect_list_bandwidth);
 393   xbt_dict_free(&trace_connect_list_latency);
 394   xbt_dict_free(&traces_set_list);
 395   xbt_dict_free(&random_data_list);
 396   xbt_dynar_free(&surfxml_bufferstack_stack);
 397 }
 398
 399 /* Here start parse */
 400
 401 void parse_platform_file(const char *file)
 402 {
 403   int parse_status;
 404
 405   surfxml_buffer_stack_stack_ptr = 1;
 406   surfxml_buffer_stack_stack[0] = 0;
 407
 408   surf_parse_open(file);
 409   init_data();
 410   parse_status = surf_parse();
 411   free_data();
 412   surf_parse_close();
 413   xbt_assert1(!parse_status, "Parse error in %s", file);
 414 }
 415
 416 /* Prop tag functions */
 417
 418 void parse_properties(void)
 419 {
 420   char *value = NULL;
 421   if (!current_property_set)
 422     current_property_set = xbt_dict_new();      // Maybe, it should be make a error
 423   value = xbt_strdup(A_surfxml_prop_value);
 424   xbt_dict_set(current_property_set, A_surfxml_prop_id, value, free);
 425 }
 426
 427 /* Trace management functions */
 428
 429 static double trace_periodicity = -1.0;
 430 static char *trace_file = NULL;
 431 static char *trace_id;
 432
 433 static void parse_Stag_trace(void)
 434 {
 435   trace_id = strdup(A_surfxml_trace_id);
 436   trace_file = strdup(A_surfxml_trace_file);
 437   surf_parse_get_double(&trace_periodicity, A_surfxml_trace_periodicity);
 438 }
 439
 440 static void parse_Etag_trace(void)
 441 {
 442   tmgr_trace_t trace;
 443   if (!trace_file || strcmp(trace_file, "") != 0) {
 444     trace = tmgr_trace_new(trace_file);
 445   } else {
 446     if (strcmp(surfxml_pcdata, "") == 0)
 447       trace = NULL;
 448     else
 449       trace =
 450           tmgr_trace_new_from_string(trace_id, surfxml_pcdata,
 451                                      trace_periodicity);
 452   }
 453   xbt_dict_set(traces_set_list, trace_id, (void *) trace, NULL);
 454 }
 455
 456 static void parse_Stag_trace_connect(void)
 457 {
 458   xbt_assert2(xbt_dict_get_or_null
 459               (traces_set_list, A_surfxml_trace_connect_trace),
 460               "Cannot connect trace %s to %s: trace unknown",
 461               A_surfxml_trace_connect_trace,
 462               A_surfxml_trace_connect_element);
 463
 464   switch (A_surfxml_trace_connect_kind) {
 465   case A_surfxml_trace_connect_kind_HOST_AVAIL:
 466     xbt_dict_set(trace_connect_list_host_avail,
 467                  A_surfxml_trace_connect_trace,
 468                  xbt_strdup(A_surfxml_trace_connect_element), free);
 469     break;
 470   case A_surfxml_trace_connect_kind_POWER:
 471     xbt_dict_set(trace_connect_list_power, A_surfxml_trace_connect_trace,
 472                  xbt_strdup(A_surfxml_trace_connect_element), free);
 473     break;
 474   case A_surfxml_trace_connect_kind_LINK_AVAIL:
 475     xbt_dict_set(trace_connect_list_link_avail,
 476                  A_surfxml_trace_connect_trace,
 477                  xbt_strdup(A_surfxml_trace_connect_element), free);
 478     break;
 479   case A_surfxml_trace_connect_kind_BANDWIDTH:
 480     xbt_dict_set(trace_connect_list_bandwidth,
 481                  A_surfxml_trace_connect_trace,
 482                  xbt_strdup(A_surfxml_trace_connect_element), free);
 483     break;
 484   case A_surfxml_trace_connect_kind_LATENCY:
 485     xbt_dict_set(trace_connect_list_latency, A_surfxml_trace_connect_trace,
 486                  xbt_strdup(A_surfxml_trace_connect_element), free);
 487     break;
 488   default:
 489     xbt_die(bprintf("Cannot connect trace %s to %s: kind of trace unknown",
 490                     A_surfxml_trace_connect_trace,
 491                     A_surfxml_trace_connect_element));
 492   }
 493 }
 494
 495 /* Random tag functions */
 496
 497 double get_cpu_power(const char *power)
 498 {
 499   double power_scale = 0.0;
 500   const char *p, *q;
 501   char *generator;
 502   random_data_t random = NULL;
 503   /* randomness is inserted like this: power="$rand(my_random)" */
 504   if (((p = strstr(power, "$rand(")) != NULL)
 505       && ((q = strstr(power, ")")) != NULL)) {
 506     if (p < q) {
 507       generator = xbt_malloc(q - (p + 6) + 1);
 508       memcpy(generator, p + 6, q - (p + 6));
 509       generator[q - (p + 6)] = '\0';
 510       xbt_assert1((random =
 511                    xbt_dict_get_or_null(random_data_list, generator)),
 512                   "Random generator %s undefined", generator);
 513       power_scale = random_generate(random);
 514     }
 515   } else {
 516     surf_parse_get_double(&power_scale, power);
 517   }
 518   return power_scale;
 519 }
 520
 521 double random_min, random_max, random_mean, random_std_deviation,
 522     random_generator;
 523 char *random_id;
 524
 525 static void init_randomness(void)
 526 {
 527   random_id = A_surfxml_random_id;
 528   surf_parse_get_double(&random_min, A_surfxml_random_min);
 529   surf_parse_get_double(&random_max, A_surfxml_random_max);
 530   surf_parse_get_double(&random_mean, A_surfxml_random_mean);
 531   surf_parse_get_double(&random_std_deviation,
 532                         A_surfxml_random_std_deviation);
 533   random_generator = A_surfxml_random_generator;
 534 }
 535
 536 static void add_randomness(void)
 537 {
 538   /* If needed aditional properties can be added by using the prop tag */
 539   random_data_t random =
 540       random_new(random_generator, 0, random_min, random_max, random_mean,
 541                  random_std_deviation);
 542   xbt_dict_set(random_data_list, random_id, (void *) random,
 543                &xbt_free_ref);
 544 }
 545
 546 /**
 547  * create CPU resource via CPU Model
 548  */
 549 void surf_host_create_resource(char *name, double power_peak,
 550                                double power_scale,
 551                                tmgr_trace_t power_trace,
 552                                e_surf_resource_state_t state_initial,
 553                                tmgr_trace_t state_trace,
 554                                xbt_dict_t cpu_properties)
 555 {
 556   return surf_cpu_model->extension.cpu.create_resource(name, power_peak,
 557                                                        power_scale,
 558                                                        power_trace,
 559                                                        state_initial,
 560                                                        state_trace,
 561                                                        cpu_properties);
 562 }
 563
 564 /**
 565  * create CPU resource via worsktation_ptask_L07 model
 566  */
 567
 568 void surf_wsL07_host_create_resource(char *name, double power_peak,
 569                                      double power_scale,
 570                                      tmgr_trace_t power_trace,
 571                                      e_surf_resource_state_t state_initial,
 572                                      tmgr_trace_t state_trace,
 573                                      xbt_dict_t cpu_properties)
 574 {
 575   surf_workstation_model->extension.workstation.cpu_create_resource(name,
 576                                                                     power_peak,
 577                                                                     power_scale,
 578                                                                     power_trace,
 579                                                                     state_initial,
 580                                                                     state_trace,
 581                                                                     cpu_properties);
 582 }
 583
 584 /**
 585  * create link resource via network Model
 586  */
 587 void surf_link_create_resource(char *name,
 588                                double bw_initial,
 589                                tmgr_trace_t bw_trace,
 590                                double lat_initial,
 591                                tmgr_trace_t lat_trace,
 592                                e_surf_resource_state_t
 593                                state_initial,
 594                                tmgr_trace_t state_trace,
 595                                e_surf_link_sharing_policy_t policy,
 596                                xbt_dict_t properties)
 597 {
 598   return surf_network_model->extension.network.create_resource(name,
 599                                                                bw_initial,
 600                                                                bw_trace,
 601                                                                lat_initial,
 602                                                                lat_trace,
 603                                                                state_initial,
 604                                                                state_trace,
 605                                                                policy,
 606                                                                properties);
 607 }
 608
 609 /**
 610  * create link resource via workstation_ptask_L07 model
 611  */
 612
 613 void surf_wsL07_link_create_resource(char *name,
 614                                      double bw_initial,
 615                                      tmgr_trace_t bw_trace,
 616                                      double lat_initial,
 617                                      tmgr_trace_t lat_trace,
 618                                      e_surf_resource_state_t
 619                                      state_initial,
 620                                      tmgr_trace_t state_trace,
 621                                      e_surf_link_sharing_policy_t
 622                                      policy, xbt_dict_t properties)
 623 {
 624   return surf_workstation_model->extension.workstation.
 625       link_create_resource(name, bw_initial, bw_trace, lat_initial,
 626                            lat_trace, state_initial, state_trace, policy,
 627                            properties);
 628 }
 629
 630 /**
 631  *
 632  *init new routing model component
 633  */
 634
 635 void surf_AS_new(const char *AS_id, const char *AS_mode)
 636 {
 637   routing_AS_init(AS_id, AS_mode);
 638 }
 639
 640 void surf_AS_finalize(const char *AS_id)
 641 {
 642   routing_AS_end(AS_id);
 643 }
 644
 645 /*
 646  * add host to the network element list
 647  */
 648 void surf_route_add_host(const char *host_id)
 649 {
 650   routing_add_host(host_id);
 651 }
 652
 653 /**
 654  * set route
 655  */
 656 void surf_routing_add_route(const char *src_id, const char *dst_id,
 657                             xbt_dynar_t links_id)
 658 {
 659   unsigned int i;
 660   const char *link_id;
 661   routing_set_route(src_id, dst_id);
 662   xbt_dynar_foreach(links_id, i, link_id) {
 663     routing_add_link(link_id);
 664   }
 665
 666   //store the route
 667   routing_store_route();
 668 }
 669
 670 /**
 671  * Add Traces
 672  */
 673 void surf_add_host_traces(void)
 674 {
 675   return surf_cpu_model->extension.cpu.add_traces();
 676 }
 677
 678 void surf_add_link_traces(void)
 679 {
 680   return surf_network_model->extension.network.add_traces();
 681 }
 682
 683 void surf_wsL07_add_traces(void)
 684 {
 685   return surf_workstation_model->extension.workstation.add_traces();
 686 }