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   }
 300 }
 301
 302 /* Parse Function */
 303
 304 static int _surf_parse(void)
 305 {
 306   return surf_parse_lex();
 307 }
 308
 309 int_f_void_t surf_parse = _surf_parse;
 310
 311 void surf_parse_error(char *msg)
 312 {
 313   fprintf(stderr, "Parse error on line %d: %s\n", surf_parse_lineno, msg);
 314   abort();
 315 }
 316
 317 void surf_parse_get_double(double *value, const char *string)
 318 {
 319   int ret = 0;
 320   ret = sscanf(string, "%lg", value);
 321   if (ret != 1)
 322     surf_parse_error(bprintf("%s is not a double", string));
 323 }
 324
 325 void surf_parse_get_int(int *value, const char *string)
 326 {
 327   int ret = 0;
 328   ret = sscanf(string, "%d", value);
 329   if (ret != 1)
 330     surf_parse_error(bprintf("%s is not an integer", string));
 331 }
 332
 333 /* Aux parse functions */
 334
 335 void surfxml_add_callback(xbt_dynar_t cb_list, void_f_void_t function)
 336 {
 337   xbt_dynar_push(cb_list, &function);
 338 }
 339
 340 void surfxml_del_callback(xbt_dynar_t * p_cb_list, void_f_void_t function)
 341 {
 342   xbt_dynar_t new_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 343   unsigned int it;
 344   void_f_void_t func;
 345   xbt_dynar_foreach(*p_cb_list, it, func) {
 346     if (func != function)
 347       xbt_dynar_push(new_cb_list, &func);
 348   }
 349   xbt_dynar_free(p_cb_list);
 350   *p_cb_list = new_cb_list;
 351 }
 352
 353 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t cb_list)
 354 {
 355   unsigned int iterator;
 356   void_f_void_t fun;
 357   xbt_dynar_foreach(cb_list, iterator, fun) {
 358     (*fun) ();
 359   }
 360 }
 361
 362 /* Init and free parse data */
 363
 364 static void init_data(void)
 365 {
 366   if (!surfxml_bufferstack_stack)
 367     surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
 368
 369   random_data_list = xbt_dict_new();
 370   traces_set_list = xbt_dict_new();
 371   trace_connect_list_host_avail = xbt_dict_new();
 372   trace_connect_list_power = xbt_dict_new();
 373   trace_connect_list_link_avail = xbt_dict_new();
 374   trace_connect_list_bandwidth = xbt_dict_new();
 375   trace_connect_list_latency = xbt_dict_new();
 376
 377   surfxml_add_callback(STag_surfxml_random_cb_list, &init_randomness);
 378   surfxml_add_callback(ETag_surfxml_random_cb_list, &add_randomness);
 379   surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
 380   surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_Stag_trace);
 381   surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_Etag_trace);
 382   surfxml_add_callback(STag_surfxml_trace_connect_cb_list,
 383                        &parse_Stag_trace_connect);
 384 }
 385
 386 static void free_data(void)
 387 {
 388   xbt_dict_free(&trace_connect_list_host_avail);
 389   xbt_dict_free(&trace_connect_list_power);
 390   xbt_dict_free(&trace_connect_list_link_avail);
 391   xbt_dict_free(&trace_connect_list_bandwidth);
 392   xbt_dict_free(&trace_connect_list_latency);
 393   xbt_dict_free(&traces_set_list);
 394   xbt_dict_free(&random_data_list);
 395   xbt_dynar_free(&surfxml_bufferstack_stack);
 396 }
 397
 398 /* Here start parse */
 399
 400 void parse_platform_file(const char *file)
 401 {
 402   int parse_status;
 403
 404   surfxml_buffer_stack_stack_ptr = 1;
 405   surfxml_buffer_stack_stack[0] = 0;
 406
 407   surf_parse_open(file);
 408   init_data();
 409   parse_status = surf_parse();
 410   free_data();
 411   surf_parse_close();
 412   xbt_assert1(!parse_status, "Parse error in %s", file);
 413 }
 414
 415 /* Prop tag functions */
 416
 417 void parse_properties(void)
 418 {
 419   char *value = NULL;
 420   if (!current_property_set)
 421     current_property_set = xbt_dict_new();      // Maybe, it should be make a error
 422   value = xbt_strdup(A_surfxml_prop_value);
 423   xbt_dict_set(current_property_set, A_surfxml_prop_id, value, free);
 424 }
 425
 426 /* Trace management functions */
 427
 428 static double trace_periodicity = -1.0;
 429 static char *trace_file = NULL;
 430 static char *trace_id;
 431
 432 static void parse_Stag_trace(void)
 433 {
 434   trace_id = strdup(A_surfxml_trace_id);
 435   trace_file = strdup(A_surfxml_trace_file);
 436   surf_parse_get_double(&trace_periodicity, A_surfxml_trace_periodicity);
 437 }
 438
 439 static void parse_Etag_trace(void)
 440 {
 441   tmgr_trace_t trace;
 442   if (!trace_file || strcmp(trace_file, "") != 0) {
 443     trace = tmgr_trace_new(trace_file);
 444   } else {
 445     if (strcmp(surfxml_pcdata, "") == 0)
 446       trace = NULL;
 447     else
 448       trace =
 449           tmgr_trace_new_from_string(trace_id, surfxml_pcdata,
 450                                      trace_periodicity);
 451   }
 452   xbt_dict_set(traces_set_list, trace_id, (void *) trace, NULL);
 453 }
 454
 455 static void parse_Stag_trace_connect(void)
 456 {
 457   xbt_assert2(xbt_dict_get_or_null
 458               (traces_set_list, A_surfxml_trace_connect_trace),
 459               "Cannot connect trace %s to %s: trace unknown",
 460               A_surfxml_trace_connect_trace,
 461               A_surfxml_trace_connect_element);
 462
 463   switch (A_surfxml_trace_connect_kind) {
 464   case A_surfxml_trace_connect_kind_HOST_AVAIL:
 465     xbt_dict_set(trace_connect_list_host_avail,
 466                  A_surfxml_trace_connect_trace,
 467                  xbt_strdup(A_surfxml_trace_connect_element), free);
 468     break;
 469   case A_surfxml_trace_connect_kind_POWER:
 470     xbt_dict_set(trace_connect_list_power, A_surfxml_trace_connect_trace,
 471                  xbt_strdup(A_surfxml_trace_connect_element), free);
 472     break;
 473   case A_surfxml_trace_connect_kind_LINK_AVAIL:
 474     xbt_dict_set(trace_connect_list_link_avail,
 475                  A_surfxml_trace_connect_trace,
 476                  xbt_strdup(A_surfxml_trace_connect_element), free);
 477     break;
 478   case A_surfxml_trace_connect_kind_BANDWIDTH:
 479     xbt_dict_set(trace_connect_list_bandwidth,
 480                  A_surfxml_trace_connect_trace,
 481                  xbt_strdup(A_surfxml_trace_connect_element), free);
 482     break;
 483   case A_surfxml_trace_connect_kind_LATENCY:
 484     xbt_dict_set(trace_connect_list_latency, A_surfxml_trace_connect_trace,
 485                  xbt_strdup(A_surfxml_trace_connect_element), free);
 486     break;
 487   default:
 488     xbt_die(bprintf("Cannot connect trace %s to %s: kind of trace unknown",
 489                     A_surfxml_trace_connect_trace,
 490                     A_surfxml_trace_connect_element));
 491   }
 492 }
 493
 494 /* Random tag functions */
 495
 496 double get_cpu_power(const char *power)
 497 {
 498   double power_scale = 0.0;
 499   const char *p, *q;
 500   char *generator;
 501   random_data_t random = NULL;
 502   /* randomness is inserted like this: power="$rand(my_random)" */
 503   if (((p = strstr(power, "$rand(")) != NULL)
 504       && ((q = strstr(power, ")")) != NULL)) {
 505     if (p < q) {
 506       generator = xbt_malloc(q - (p + 6) + 1);
 507       memcpy(generator, p + 6, q - (p + 6));
 508       generator[q - (p + 6)] = '\0';
 509       xbt_assert1((random =
 510                    xbt_dict_get_or_null(random_data_list, generator)),
 511                   "Random generator %s undefined", generator);
 512       power_scale = random_generate(random);
 513     }
 514   } else {
 515     surf_parse_get_double(&power_scale, power);
 516   }
 517   return power_scale;
 518 }
 519
 520 double random_min, random_max, random_mean, random_std_deviation,
 521     random_generator;
 522 char *random_id;
 523
 524 static void init_randomness(void)
 525 {
 526   random_id = A_surfxml_random_id;
 527   surf_parse_get_double(&random_min, A_surfxml_random_min);
 528   surf_parse_get_double(&random_max, A_surfxml_random_max);
 529   surf_parse_get_double(&random_mean, A_surfxml_random_mean);
 530   surf_parse_get_double(&random_std_deviation,
 531                         A_surfxml_random_std_deviation);
 532   random_generator = A_surfxml_random_generator;
 533 }
 534
 535 static void add_randomness(void)
 536 {
 537   /* If needed aditional properties can be added by using the prop tag */
 538   random_data_t random =
 539       random_new(random_generator, 0, random_min, random_max, random_mean,
 540                  random_std_deviation);
 541   xbt_dict_set(random_data_list, random_id, (void *) random,
 542                &xbt_free_ref);
 543 }
 544
 545 /**
 546  * create CPU resource via CPU Model
 547  */
 548 void surf_host_create_resource(char *name, double power_peak,
 549                                double power_scale,
 550                                tmgr_trace_t power_trace,
 551                                e_surf_resource_state_t state_initial,
 552                                tmgr_trace_t state_trace,
 553                                xbt_dict_t cpu_properties)
 554 {
 555   return surf_cpu_model->extension.cpu.create_resource(name, power_peak,
 556                                                        power_scale,
 557                                                        power_trace,
 558                                                        state_initial,
 559                                                        state_trace,
 560                                                        cpu_properties);
 561 }
 562
 563 /**
 564  * create CPU resource via worsktation_ptask_L07 model
 565  */
 566
 567 void surf_wsL07_host_create_resource(char *name, double power_peak,
 568                                      double power_scale,
 569                                      tmgr_trace_t power_trace,
 570                                      e_surf_resource_state_t state_initial,
 571                                      tmgr_trace_t state_trace,
 572                                      xbt_dict_t cpu_properties)
 573 {
 574   surf_workstation_model->extension.workstation.cpu_create_resource(name,
 575                                                                     power_peak,
 576                                                                     power_scale,
 577                                                                     power_trace,
 578                                                                     state_initial,
 579                                                                     state_trace,
 580                                                                     cpu_properties);
 581 }
 582
 583 /**
 584  * create link resource via network Model
 585  */
 586 void surf_link_create_resource(char *name,
 587                                double bw_initial,
 588                                tmgr_trace_t bw_trace,
 589                                double lat_initial,
 590                                tmgr_trace_t lat_trace,
 591                                e_surf_resource_state_t
 592                                state_initial,
 593                                tmgr_trace_t state_trace,
 594                                e_surf_link_sharing_policy_t policy,
 595                                xbt_dict_t properties)
 596 {
 597   return surf_network_model->extension.network.create_resource(name,
 598                                                                bw_initial,
 599                                                                bw_trace,
 600                                                                lat_initial,
 601                                                                lat_trace,
 602                                                                state_initial,
 603                                                                state_trace,
 604                                                                policy,
 605                                                                properties);
 606 }
 607
 608 /**
 609  * create link resource via workstation_ptask_L07 model
 610  */
 611
 612 void surf_wsL07_link_create_resource(char *name,
 613                                      double bw_initial,
 614                                      tmgr_trace_t bw_trace,
 615                                      double lat_initial,
 616                                      tmgr_trace_t lat_trace,
 617                                      e_surf_resource_state_t
 618                                      state_initial,
 619                                      tmgr_trace_t state_trace,
 620                                      e_surf_link_sharing_policy_t
 621                                      policy, xbt_dict_t properties)
 622 {
 623   return surf_workstation_model->extension.workstation.
 624       link_create_resource(name, bw_initial, bw_trace, lat_initial,
 625                            lat_trace, state_initial, state_trace, policy,
 626                            properties);
 627 }
 628
 629 /**
 630  *
 631  *init new routing model component
 632  */
 633
 634 void surf_AS_new(const char *AS_id, const char *AS_mode)
 635 {
 636   routing_AS_init(AS_id, AS_mode);
 637 }
 638
 639 void surf_AS_finalize(const char *AS_id)
 640 {
 641   routing_AS_end(AS_id);
 642 }
 643
 644 /*
 645  * add host to the network element list
 646  */
 647 void surf_route_add_host(const char *host_id)
 648 {
 649   routing_add_host(host_id);
 650 }
 651
 652 /**
 653  * set route
 654  */
 655 void surf_routing_add_route(const char *src_id, const char *dst_id,
 656                             xbt_dynar_t links_id)
 657 {
 658   unsigned int i;
 659   const char *link_id;
 660   routing_set_route(src_id, dst_id);
 661   xbt_dynar_foreach(links_id, i, link_id) {
 662     routing_add_link(link_id);
 663   }
 664
 665   //store the route
 666   routing_store_route();
 667 }
 668
 669 /**
 670  * Add Traces
 671  */
 672 void surf_add_host_traces(void)
 673 {
 674   return surf_cpu_model->extension.cpu.add_traces();
 675 }
 676
 677 void surf_add_link_traces(void)
 678 {
 679   return surf_network_model->extension.network.add_traces();
 680 }
 681
 682 void surf_wsL07_add_traces(void)
 683 {
 684   return surf_workstation_model->extension.workstation.add_traces();
 685 }