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 int route_action = 0;
  21 xbt_dict_t traces_set_list = NULL;
  22 //xbt_dynar_t traces_connect_list = NULL;
  23 xbt_dict_t trace_connect_list_host_avail = NULL;
  24 xbt_dict_t trace_connect_list_power = NULL;
  25 xbt_dict_t trace_connect_list_link_avail = NULL;
  26 xbt_dict_t trace_connect_list_bandwidth = NULL;
  27 xbt_dict_t trace_connect_list_latency = NULL;
  28
  29 /* This buffer is used to store the original buffer before substituing it by out own buffer. Use full for the foreach tag */
  30 static xbt_dynar_t surfxml_bufferstack_stack = NULL;
  31 int surfxml_bufferstack_size = 2048;
  32 // static char *old_buff = NULL;
  33 static void surf_parse_error(char *msg);
  34
  35 /* make sure these symbols are defined as strong ones in this file so that the linked can resolve them */
  36 xbt_dynar_t STag_surfxml_platform_cb_list = NULL;
  37 xbt_dynar_t ETag_surfxml_platform_cb_list = NULL;
  38 xbt_dynar_t STag_surfxml_host_cb_list = NULL;
  39 xbt_dynar_t ETag_surfxml_host_cb_list = NULL;
  40 xbt_dynar_t STag_surfxml_router_cb_list = NULL;
  41 xbt_dynar_t ETag_surfxml_router_cb_list = NULL;
  42 xbt_dynar_t STag_surfxml_link_cb_list = NULL;
  43 xbt_dynar_t ETag_surfxml_link_cb_list = NULL;
  44 xbt_dynar_t STag_surfxml_route_cb_list = NULL;
  45 xbt_dynar_t ETag_surfxml_route_cb_list = NULL;
  46 xbt_dynar_t STag_surfxml_link_c_ctn_cb_list = NULL;
  47 xbt_dynar_t ETag_surfxml_link_c_ctn_cb_list = NULL;
  48 xbt_dynar_t STag_surfxml_process_cb_list = NULL;
  49 xbt_dynar_t ETag_surfxml_process_cb_list = NULL;
  50 xbt_dynar_t STag_surfxml_argument_cb_list = NULL;
  51 xbt_dynar_t ETag_surfxml_argument_cb_list = NULL;
  52 xbt_dynar_t STag_surfxml_prop_cb_list = NULL;
  53 xbt_dynar_t ETag_surfxml_prop_cb_list = NULL;
  54 xbt_dynar_t STag_surfxml_trace_cb_list = NULL;
  55 xbt_dynar_t ETag_surfxml_trace_cb_list = NULL;
  56 xbt_dynar_t STag_surfxml_trace_c_connect_cb_list = NULL;
  57 xbt_dynar_t ETag_surfxml_trace_c_connect_cb_list = NULL;
  58 xbt_dynar_t STag_surfxml_random_cb_list = NULL;
  59 xbt_dynar_t ETag_surfxml_random_cb_list = NULL;
  60 xbt_dynar_t STag_surfxml_AS_cb_list = NULL;
  61 xbt_dynar_t ETag_surfxml_AS_cb_list = NULL;
  62 xbt_dynar_t STag_surfxml_ASroute_cb_list = NULL;
  63 xbt_dynar_t ETag_surfxml_ASroute_cb_list = NULL;
  64 xbt_dynar_t STag_surfxml_bypassRoute_cb_list = NULL;
  65 xbt_dynar_t ETag_surfxml_bypassRoute_cb_list = NULL;
  66
  67 xbt_dict_t current_property_set = NULL;
  68 xbt_dict_t random_data_list = NULL; /* dictionary of random generator data */
  69
  70 static xbt_dynar_t surf_input_buffer_stack = NULL;
  71 static xbt_dynar_t surf_file_to_parse_stack = NULL;
  72
  73 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t);
  74
  75 YY_BUFFER_STATE surf_input_buffer;
  76 FILE *surf_file_to_parse = NULL;
  77
  78 static void parse_Stag_trace(void);
  79 static void parse_Etag_trace(void);
  80 static void parse_Stag_trace_c_connect(void);
  81 static void init_randomness(void);
  82 static void add_randomness(void);
  83
  84 void surf_parse_free_callbacks(void)
  85 {
  86   xbt_dynar_free(&STag_surfxml_platform_cb_list);
  87   xbt_dynar_free(&ETag_surfxml_platform_cb_list);
  88   xbt_dynar_free(&STag_surfxml_host_cb_list);
  89   xbt_dynar_free(&ETag_surfxml_host_cb_list);
  90   xbt_dynar_free(&STag_surfxml_router_cb_list);
  91   xbt_dynar_free(&ETag_surfxml_router_cb_list);
  92   xbt_dynar_free(&STag_surfxml_link_cb_list);
  93   xbt_dynar_free(&ETag_surfxml_link_cb_list);
  94   xbt_dynar_free(&STag_surfxml_route_cb_list);
  95   xbt_dynar_free(&ETag_surfxml_route_cb_list);
  96   xbt_dynar_free(&STag_surfxml_link_c_ctn_cb_list);
  97   xbt_dynar_free(&ETag_surfxml_link_c_ctn_cb_list);
  98   xbt_dynar_free(&STag_surfxml_process_cb_list);
  99   xbt_dynar_free(&ETag_surfxml_process_cb_list);
 100   xbt_dynar_free(&STag_surfxml_argument_cb_list);
 101   xbt_dynar_free(&ETag_surfxml_argument_cb_list);
 102   xbt_dynar_free(&STag_surfxml_prop_cb_list);
 103   xbt_dynar_free(&ETag_surfxml_prop_cb_list);
 104   xbt_dynar_free(&STag_surfxml_trace_cb_list);
 105   xbt_dynar_free(&ETag_surfxml_trace_cb_list);
 106   xbt_dynar_free(&STag_surfxml_trace_c_connect_cb_list);
 107   xbt_dynar_free(&ETag_surfxml_trace_c_connect_cb_list);
 108   xbt_dynar_free(&STag_surfxml_random_cb_list);
 109   xbt_dynar_free(&ETag_surfxml_random_cb_list);
 110   xbt_dynar_free(&STag_surfxml_AS_cb_list);
 111   xbt_dynar_free(&ETag_surfxml_AS_cb_list);
 112   xbt_dynar_free(&STag_surfxml_ASroute_cb_list);
 113   xbt_dynar_free(&ETag_surfxml_ASroute_cb_list);
 114   xbt_dynar_free(&STag_surfxml_bypassRoute_cb_list);
 115   xbt_dynar_free(&ETag_surfxml_bypassRoute_cb_list);
 116 }
 117
 118 void surf_parse_reset_parser(void)
 119 {
 120   surf_parse_free_callbacks();
 121   STag_surfxml_platform_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 122   ETag_surfxml_platform_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 123   STag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 124   ETag_surfxml_host_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 125   STag_surfxml_router_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 126   ETag_surfxml_router_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 127   STag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 128   ETag_surfxml_link_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 129   STag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 130   ETag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 131   STag_surfxml_link_c_ctn_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 132   ETag_surfxml_link_c_ctn_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 133   STag_surfxml_process_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 134   ETag_surfxml_process_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 135   STag_surfxml_argument_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 136   ETag_surfxml_argument_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 137   STag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 138   ETag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 139   STag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 140   ETag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 141   STag_surfxml_trace_c_connect_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 142   ETag_surfxml_trace_c_connect_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 143   STag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 144   ETag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 145   STag_surfxml_AS_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 146   ETag_surfxml_AS_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 147   STag_surfxml_ASroute_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 148   ETag_surfxml_ASroute_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 149   STag_surfxml_bypassRoute_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 150   ETag_surfxml_bypassRoute_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 151 }
 152
 153 void STag_surfxml_include(void)
 154 {
 155   xbt_dynar_push(surf_input_buffer_stack, &surf_input_buffer);
 156   xbt_dynar_push(surf_file_to_parse_stack, &surf_file_to_parse);
 157
 158   surf_file_to_parse = surf_fopen(A_surfxml_include_file, "r");
 159   xbt_assert1((surf_file_to_parse), "Unable to open \"%s\"\n", A_surfxml_include_file);
 160   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, 10);
 161   surf_parse__switch_to_buffer(surf_input_buffer);
 162   printf("STAG\n");
 163   fflush(NULL);
 164 }
 165
 166 void ETag_surfxml_include(void)
 167 {
 168   printf("ETAG\n");
 169   fflush(NULL);
 170   surf_parse__delete_buffer(surf_input_buffer);
 171   fclose(surf_file_to_parse);
 172   xbt_dynar_pop(surf_file_to_parse_stack, &surf_file_to_parse);
 173   xbt_dynar_pop(surf_input_buffer_stack, &surf_input_buffer);
 174 }
 175
 176 void STag_surfxml_platform(void)
 177 {
 178   double version = 0.0;
 179
 180   sscanf(A_surfxml_platform_version, "%lg", &version);
 181
 182   xbt_assert0((version >= 1.0), "******* BIG FAT WARNING *********\n "
 183               "You're using an ancient XML file. "
 184               "Since SimGrid 3.1, units are Bytes, Flops, and seconds "
 185               "instead of MBytes, MFlops and seconds. "
 186               "A script (surfxml_update.pl) to help you convert your old "
 187               "platform files "
 188               "is available in the contrib/platform_generation directory "
 189               "of the simgrid repository. Please check also out the "
 190               "SURF section of the ChangeLog for the 3.1 version. "
 191               "Last, do not forget to also update your values for "
 192               "the calls to MSG_task_create (if any).");
 193   xbt_assert0((version >= 2.0), "******* BIG FAT WARNING *********\n "
 194               "You're using an old XML file. "
 195               "A script (surfxml_update.pl) to help you convert your old "
 196               "platform files "
 197               "is available in the contrib/platform_generation directory "
 198               "of the simgrid repository.");
 199
 200   surfxml_call_cb_functions(STag_surfxml_platform_cb_list);
 201
 202 }
 203
 204 void ETag_surfxml_platform(void)
 205 {
 206   surfxml_call_cb_functions(ETag_surfxml_platform_cb_list);
 207   xbt_dict_free(&random_data_list); // FIXME: DUPLICATE
 208 }
 209
 210 #define parse_method(type,name) void type##Tag_surfxml_##name(void) { surfxml_call_cb_functions(type##Tag_surfxml_##name##_cb_list); }
 211
 212 parse_method(S,host);             parse_method(E,host);
 213 parse_method(S,router);           parse_method(E,router);
 214 parse_method(S,link);             parse_method(E,link);
 215 parse_method(S,route);            parse_method(E,route);
 216 parse_method(S,link_c_ctn);       parse_method(E,link_c_ctn);
 217 parse_method(S,process);          parse_method(E,process);
 218 parse_method(S,argument);         parse_method(E,argument);
 219 parse_method(S,prop);             parse_method(E,prop);
 220 parse_method(S,trace);            parse_method(E,trace);
 221 parse_method(S,trace_c_connect);  parse_method(E,trace_c_connect);
 222 parse_method(S,random);           parse_method(E,random);
 223 parse_method(S,AS);               parse_method(E,AS);
 224 parse_method(S,ASroute);          parse_method(E,ASroute);
 225 parse_method(S,bypassRoute);      parse_method(E,bypassRoute);
 226
 227 /* Open and Close parse file */
 228
 229 void surf_parse_open(const char *file)
 230 {
 231   static int warned = 0;        /* warn only once */
 232   if (!file) {
 233     if (!warned) {
 234       WARN0
 235         ("Bypassing the XML parser since surf_parse_open received a NULL pointer. If it is not what you want, go fix your code.");
 236       warned = 1;
 237     }
 238     return;
 239   }
 240   surf_file_to_parse = surf_fopen(file, "r");
 241   xbt_assert1((surf_file_to_parse), "Unable to open \"%s\"\n", file);
 242
 243   if (!surf_input_buffer_stack)
 244     surf_input_buffer_stack = xbt_dynar_new(sizeof(YY_BUFFER_STATE), NULL);
 245   if (!surf_file_to_parse_stack)
 246     surf_file_to_parse_stack = xbt_dynar_new(sizeof(FILE *), NULL);
 247
 248   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, 10);
 249   surf_parse__switch_to_buffer(surf_input_buffer);
 250   surf_parse_lineno = 1;
 251 }
 252
 253 void surf_parse_close(void)
 254 {
 255   if (surf_input_buffer_stack)
 256     xbt_dynar_free(&surf_input_buffer_stack);
 257   if (surf_file_to_parse_stack)
 258     xbt_dynar_free(&surf_file_to_parse_stack);
 259
 260   if (surf_file_to_parse) {
 261     surf_parse__delete_buffer(surf_input_buffer);
 262     fclose(surf_file_to_parse);
 263   }
 264 }
 265
 266 /* Parse Function */
 267
 268 static int _surf_parse(void)
 269 {
 270   return surf_parse_lex();
 271 }
 272
 273 int_f_void_t surf_parse = _surf_parse;
 274
 275 void surf_parse_error(char *msg)
 276 {
 277   fprintf(stderr, "Parse error on line %d: %s\n", surf_parse_lineno, msg);
 278   abort();
 279 }
 280
 281 void surf_parse_get_double(double *value, const char *string)
 282 {
 283   int ret = 0;
 284   ret = sscanf(string, "%lg", value);
 285   if (ret != 1)
 286     surf_parse_error(bprintf("%s is not a double", string));
 287 }
 288
 289 void surf_parse_get_int(int *value, const char *string)
 290 {
 291   int ret = 0;
 292   ret = sscanf(string, "%d", value);
 293   if (ret != 1)
 294     surf_parse_error(bprintf("%s is not an integer", string));
 295 }
 296
 297 /* Aux parse functions */
 298
 299 void surfxml_add_callback(xbt_dynar_t cb_list, void_f_void_t function)
 300 {
 301   xbt_dynar_push(cb_list, &function);
 302 }
 303
 304 void surfxml_del_callback(xbt_dynar_t* p_cb_list, void_f_void_t function)
 305 {
 306   xbt_dynar_t new_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 307   unsigned int it;
 308   void_f_void_t func;
 309   xbt_dynar_foreach(*p_cb_list,it,func) {
 310     if( func != function )
 311       xbt_dynar_push(new_cb_list, &func);
 312   }
 313   xbt_dynar_free(p_cb_list);
 314   *p_cb_list = new_cb_list;
 315 }
 316
 317 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t cb_list)
 318 {
 319   unsigned int iterator;
 320   void_f_void_t fun;
 321   xbt_dynar_foreach(cb_list, iterator, fun) {
 322     (*fun) ();
 323   }
 324 }
 325
 326 /* Init and free parse data */
 327
 328 static void init_data(void)
 329 {
 330   if (!surfxml_bufferstack_stack)
 331     surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
 332
 333   traces_set_list = xbt_dict_new();
 334
 335   trace_connect_list_host_avail = xbt_dict_new();
 336   trace_connect_list_power = xbt_dict_new();
 337   trace_connect_list_link_avail = xbt_dict_new();
 338   trace_connect_list_bandwidth = xbt_dict_new();
 339   trace_connect_list_latency = xbt_dict_new();
 340
 341   random_data_list = xbt_dict_new();
 342   surfxml_add_callback(STag_surfxml_random_cb_list, &init_randomness);
 343   surfxml_add_callback(ETag_surfxml_random_cb_list, &add_randomness);
 344   surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
 345   surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_Stag_trace);
 346   surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_Etag_trace);
 347   surfxml_add_callback(STag_surfxml_trace_c_connect_cb_list, &parse_Stag_trace_c_connect);
 348 }
 349
 350 static void free_data(void)
 351 {
 352   xbt_dynar_free(&surfxml_bufferstack_stack);
 353
 354   xbt_dict_free(&traces_set_list);
 355   xbt_dict_free(&trace_connect_list_host_avail);
 356   xbt_dict_free(&trace_connect_list_power);
 357   xbt_dict_free(&trace_connect_list_link_avail);
 358   xbt_dict_free(&trace_connect_list_bandwidth);
 359   xbt_dict_free(&trace_connect_list_latency);
 360   xbt_dict_free(&traces_set_list);
 361 }
 362
 363 /* Here start parse */
 364
 365 void parse_platform_file(const char *file)
 366 {
 367   int parse_status;
 368   surf_parse_open(file);
 369   init_data();
 370   parse_status = surf_parse();
 371   free_data();
 372   surf_parse_close();
 373   if (parse_status) xbt_dict_free(&random_data_list); // FIXME: DUPLICATE
 374   xbt_assert1(!parse_status, "Parse error in %s", file);
 375 }
 376
 377 /* Prop tag functions */
 378
 379 void parse_properties(void)
 380 {
 381   char *value = NULL;
 382   if (!current_property_set)
 383     current_property_set = xbt_dict_new(); // Maybe, it should be make a error
 384   value = xbt_strdup(A_surfxml_prop_value);
 385   xbt_dict_set(current_property_set, A_surfxml_prop_id, value, free);
 386 }
 387
 388 /* Trace management functions */
 389
 390 static double trace_periodicity = -1.0;
 391 static char *trace_file = NULL;
 392 static char *trace_id;
 393
 394 static void parse_Stag_trace(void)
 395 {
 396   trace_id = strdup(A_surfxml_trace_id);
 397   trace_file = strdup(A_surfxml_trace_file);
 398   surf_parse_get_double(&trace_periodicity, A_surfxml_trace_periodicity);
 399 }
 400
 401 static void parse_Etag_trace(void)
 402 {
 403   tmgr_trace_t trace;
 404   if (!trace_file || strcmp(trace_file, "") != 0) {
 405     trace = tmgr_trace_new(trace_file);
 406   } else {
 407     if (strcmp(surfxml_pcdata, "") == 0)
 408       trace = NULL;
 409     else
 410       trace =
 411         tmgr_trace_new_from_string(trace_id, surfxml_pcdata,
 412                                    trace_periodicity);
 413   }
 414   xbt_dict_set(traces_set_list, trace_id, (void *) trace, NULL);
 415 }
 416
 417 static void parse_Stag_trace_c_connect(void)
 418 {
 419   xbt_assert2(xbt_dict_get_or_null
 420               (traces_set_list, A_surfxml_trace_c_connect_trace),
 421               "Cannot connect trace %s to %s: trace unknown",
 422               A_surfxml_trace_c_connect_trace,
 423               A_surfxml_trace_c_connect_element);
 424
 425   switch (A_surfxml_trace_c_connect_kind) {
 426   case A_surfxml_trace_c_connect_kind_HOST_AVAIL:
 427     xbt_dict_set(trace_connect_list_host_avail,
 428                  A_surfxml_trace_c_connect_trace,
 429                  xbt_strdup(A_surfxml_trace_c_connect_element), free);
 430     break;
 431   case A_surfxml_trace_c_connect_kind_POWER:
 432     xbt_dict_set(trace_connect_list_power, A_surfxml_trace_c_connect_trace,
 433                  xbt_strdup(A_surfxml_trace_c_connect_element), free);
 434     break;
 435   case A_surfxml_trace_c_connect_kind_LINK_AVAIL:
 436     xbt_dict_set(trace_connect_list_link_avail,
 437                  A_surfxml_trace_c_connect_trace,
 438                  xbt_strdup(A_surfxml_trace_c_connect_element), free);
 439     break;
 440   case A_surfxml_trace_c_connect_kind_BANDWIDTH:
 441     xbt_dict_set(trace_connect_list_bandwidth,
 442                  A_surfxml_trace_c_connect_trace,
 443                  xbt_strdup(A_surfxml_trace_c_connect_element), free);
 444     break;
 445   case A_surfxml_trace_c_connect_kind_LATENCY:
 446     xbt_dict_set(trace_connect_list_latency, A_surfxml_trace_c_connect_trace,
 447                  xbt_strdup(A_surfxml_trace_c_connect_element), free);
 448     break;
 449   default:
 450     xbt_die(bprintf("Cannot connect trace %s to %s: kind of trace unknown",
 451                     A_surfxml_trace_c_connect_trace,
 452                     A_surfxml_trace_c_connect_element));
 453   }
 454 }
 455
 456 /* Random tag functions */
 457
 458 double get_cpu_power(const char *power)
 459 {
 460   double power_scale = 0.0;
 461   const char *p, *q;
 462   char *generator;
 463   random_data_t random = NULL;
 464   /* randomness is inserted like this: power="$rand(my_random)" */
 465   if (((p = strstr(power, "$rand(")) != NULL)
 466       && ((q = strstr(power, ")")) != NULL)) {
 467     if (p < q) {
 468       generator = xbt_malloc(q - (p + 6) + 1);
 469       memcpy(generator, p + 6, q - (p + 6));
 470       generator[q - (p + 6)] = '\0';
 471       xbt_assert1((random =
 472                    xbt_dict_get_or_null(random_data_list, generator)),
 473                   "Random generator %s undefined", generator);
 474       power_scale = random_generate(random);
 475     }
 476   } else {
 477     surf_parse_get_double(&power_scale, power);
 478   }
 479   return power_scale;
 480 }
 481
 482 double random_min, random_max, random_mean, random_std_deviation,
 483   random_generator;
 484 char *random_id;
 485
 486 static void init_randomness(void)
 487 {
 488   random_id = A_surfxml_random_id;
 489   surf_parse_get_double(&random_min, A_surfxml_random_min);
 490   surf_parse_get_double(&random_max, A_surfxml_random_max);
 491   surf_parse_get_double(&random_mean, A_surfxml_random_mean);
 492   surf_parse_get_double(&random_std_deviation, A_surfxml_random_std_deviation);
 493   random_generator = A_surfxml_random_generator;
 494 }
 495
 496 static void add_randomness(void)
 497 {
 498   /* If needed aditional properties can be added by using the prop tag */
 499   random_data_t random = random_new(random_generator, 0, random_min, random_max, random_mean, random_std_deviation);
 500   xbt_dict_set(random_data_list, random_id, (void *) random, &xbt_free_ref); // FIX BY DAVID, add the xbt_free_ref function
 501 }
 502
 503 /**
 504  * create CPU resource via CPU Model
 505  */
 506 void surf_host_create_resource(char *name, double power_peak,
 507         double power_scale,
 508         tmgr_trace_t power_trace,
 509         e_surf_resource_state_t state_initial,
 510         tmgr_trace_t state_trace,
 511         xbt_dict_t cpu_properties)
 512 {
 513         return surf_cpu_model->extension.cpu.
 514                 create_resource(name,power_peak,power_scale,power_trace,state_initial,state_trace,cpu_properties);
 515 }
 516
 517 /*
 518  * create CPU resource via worsktation_ptask_L07 model
 519  */
 520
 521 void surf_wsL07_host_create_resource(char *name, double power_peak,
 522         double power_scale,
 523         tmgr_trace_t power_trace,
 524         e_surf_resource_state_t state_initial,
 525         tmgr_trace_t state_trace,
 526         xbt_dict_t cpu_properties)
 527 {
 528         surf_workstation_model->extension.workstation.
 529                 cpu_create_resource(name,power_peak,power_scale,power_trace,state_initial,state_trace,cpu_properties);
 530 }
 531 /*
 532  * create link resource via network Model
 533  */
 534 void surf_link_create_resource(char *name,
 535         double bw_initial,
 536         tmgr_trace_t bw_trace,
 537         double lat_initial,
 538         tmgr_trace_t lat_trace,
 539         e_surf_resource_state_t
 540         state_initial,
 541         tmgr_trace_t state_trace,
 542         e_surf_link_sharing_policy_t policy,
 543         xbt_dict_t properties)
 544 {
 545         return surf_network_model->extension.network.
 546              create_resource(name,bw_initial,bw_trace,lat_initial,lat_trace,
 547                          state_initial,state_trace,policy,properties);
 548
 549 }
 550
 551 /*
 552  * create link resource via workstation_ptask_L07 model
 553  */
 554
 555 void surf_wsL07_link_create_resource(char *name,
 556                   double bw_initial,
 557                   tmgr_trace_t bw_trace,
 558                   double lat_initial,
 559                   tmgr_trace_t lat_trace,
 560                   e_surf_resource_state_t
 561                   state_initial,
 562                   tmgr_trace_t state_trace,
 563                   e_surf_link_sharing_policy_t
 564                   policy, xbt_dict_t properties)
 565 {
 566         return surf_workstation_model->extension.workstation.
 567         link_create_resource(name,bw_initial,bw_trace,lat_initial,lat_trace,
 568                                                 state_initial,state_trace,policy,properties);
 569 }
 570
 571 /*
 572  * Add Traces
 573  */
 574 void surf_add_host_traces(void)
 575 {
 576         return surf_cpu_model->extension.cpu.add_traces();
 577 }
 578
 579 void surf_add_link_traces(void)
 580 {
 581         return surf_network_model->extension.network.add_traces();
 582 }
 583
 584 void surf_wsL07_add_traces(void)
 585 {
 586         return surf_workstation_model->extension.workstation.add_traces();
 587 }