src/surf/surfxml_parse.c

   1 /* Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011. 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 int ETag_surfxml_include_state(void);
  18
  19 #include "simgrid_dtd.c"
  20
  21 /*
  22  * Helping functions
  23  */
  24 void surf_parse_error(char *msg) {
  25   xbt_die("Parse error on line %d: %s\n", surf_parse_lineno, msg);
  26 }
  27
  28 double surf_parse_get_double(const char *string) {
  29   double res;
  30   int ret = sscanf(string, "%lg", &res);
  31   if (ret != 1)
  32     surf_parse_error(bprintf("%s is not a double", string));
  33   return res;
  34 }
  35
  36 int surf_parse_get_int(const char *string) {
  37   int res;
  38   int ret = sscanf(string, "%d", &res);
  39   if (ret != 1)
  40     surf_parse_error(bprintf("%s is not an integer", string));
  41   return res;
  42 }
  43
  44
  45 /*
  46  * All the callback lists that can be overiden anywhere.
  47  * (this list should probably be reduced to the bare minimum to allow the models to work)
  48  */
  49
  50 /* make sure these symbols are defined as strong ones in this file so that the linker can resolve them */
  51 xbt_dynar_t STag_surfxml_route_cb_list = NULL;
  52 xbt_dynar_t ETag_surfxml_route_cb_list = NULL;
  53 xbt_dynar_t STag_surfxml_link_ctn_cb_list = NULL;
  54 xbt_dynar_t ETag_surfxml_link_ctn_cb_list = NULL;
  55 xbt_dynar_t STag_surfxml_process_cb_list = NULL;
  56 xbt_dynar_t ETag_surfxml_process_cb_list = NULL;
  57 xbt_dynar_t STag_surfxml_argument_cb_list = NULL;
  58 xbt_dynar_t ETag_surfxml_argument_cb_list = NULL;
  59 xbt_dynar_t STag_surfxml_prop_cb_list = NULL;
  60 xbt_dynar_t ETag_surfxml_prop_cb_list = NULL;
  61 xbt_dynar_t STag_surfxml_cluster_cb_list = NULL;
  62 xbt_dynar_t ETag_surfxml_cluster_cb_list = NULL;
  63 xbt_dynar_t STag_surfxml_peer_cb_list = NULL;
  64 xbt_dynar_t ETag_surfxml_peer_cb_list = NULL;
  65 xbt_dynar_t STag_surfxml_trace_cb_list = NULL;
  66 xbt_dynar_t ETag_surfxml_trace_cb_list = NULL;
  67 xbt_dynar_t STag_surfxml_trace_connect_cb_list = NULL;
  68 xbt_dynar_t ETag_surfxml_trace_connect_cb_list = NULL;
  69 xbt_dynar_t STag_surfxml_random_cb_list = NULL;
  70 xbt_dynar_t ETag_surfxml_random_cb_list = NULL;
  71 xbt_dynar_t STag_surfxml_AS_cb_list = NULL;
  72 xbt_dynar_t ETag_surfxml_AS_cb_list = NULL;
  73 xbt_dynar_t STag_surfxml_ASroute_cb_list = NULL;
  74 xbt_dynar_t ETag_surfxml_ASroute_cb_list = NULL;
  75 xbt_dynar_t STag_surfxml_bypassRoute_cb_list = NULL;
  76 xbt_dynar_t ETag_surfxml_bypassRoute_cb_list = NULL;
  77 xbt_dynar_t STag_surfxml_include_cb_list = NULL;
  78 xbt_dynar_t ETag_surfxml_include_cb_list = NULL;
  79
  80 /* The default current property receiver. Setup in the corresponding opening callbacks. */
  81 xbt_dict_t current_property_set = NULL;
  82 /* dictionary of random generator data */
  83 xbt_dict_t random_data_list = NULL;
  84
  85 /* Call all the callbacks of a specific SAX event */
  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 parse_Stag_trace(void);
  92 static void parse_Etag_trace(void);
  93 static void parse_Stag_trace_connect(void);
  94
  95 static void init_randomness(void);
  96 static void add_randomness(void);
  97
  98 /*
  99  * Stuff relative to the <include> tag
 100  */
 101
 102 static xbt_dynar_t surf_input_buffer_stack = NULL;
 103 static xbt_dynar_t surf_file_to_parse_stack = NULL;
 104
 105 void STag_surfxml_include(void)
 106 {
 107   XBT_INFO("STag_surfxml_include '%s'",A_surfxml_include_file);
 108   xbt_dynar_push(surf_file_to_parse_stack, &surf_file_to_parse); //save old filename
 109
 110   surf_file_to_parse = surf_fopen(A_surfxml_include_file, "r"); // read new filename
 111   xbt_assert((surf_file_to_parse), "Unable to open \"%s\"\n",
 112               A_surfxml_include_file);
 113   xbt_dynar_push(surf_input_buffer_stack,&surf_input_buffer);
 114   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, YY_BUF_SIZE);
 115   surf_parse_push_buffer_state(surf_input_buffer);
 116   fflush(NULL);
 117 }
 118
 119 void ETag_surfxml_include(void) {
 120 /* Nothing to do when done with reading the include tag.
 121  * Instead, the handling should be deferred until the EOF of current buffer -- see below */
 122 }
 123
 124 /** @brief When reaching EOF, check whether we are in an include tag, and behave accordingly if yes
 125  *
 126  * This function is called automatically by sedding the parser in buildtools/Cmake/MaintainerMode.cmake
 127  * Every FAIL on "Premature EOF" is preceded by a call to this function, which role is to restore the
 128  * previous buffer if we reached the EOF /of an include file/. Its return code is used to avoid the
 129  * error message in that case.
 130  *
 131  * Yeah, that's terribly hackish, but it works. A better solution should be dealed with in flexml
 132  * directly: a command line flag could instruct it to do the correct thing when #include is encountered
 133  * on a line.
 134  */
 135 int ETag_surfxml_include_state(void)
 136 {
 137   fflush(NULL);
 138   XBT_INFO("ETag_surfxml_include_state '%s'",A_surfxml_include_file);
 139   if(xbt_dynar_length(surf_input_buffer_stack)!= 0)
 140           return 1;
 141   fclose(surf_file_to_parse);
 142   xbt_dynar_pop(surf_file_to_parse_stack, &surf_file_to_parse);
 143   surf_parse_pop_buffer_state();
 144   xbt_dynar_pop(surf_input_buffer_stack,surf_input_buffer);
 145   return 0;
 146 }
 147
 148
 149 void surf_parse_init_callbacks(void)
 150 {
 151           sg_platf_init(); // FIXME: move to a proper place?
 152
 153           STag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 154           ETag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 155           STag_surfxml_link_ctn_cb_list =
 156               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 157           ETag_surfxml_link_ctn_cb_list =
 158               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 159           STag_surfxml_process_cb_list =
 160               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 161           ETag_surfxml_process_cb_list =
 162               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 163           STag_surfxml_argument_cb_list =
 164               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 165           ETag_surfxml_argument_cb_list =
 166               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 167           STag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 168           ETag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 169           STag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 170           ETag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 171           STag_surfxml_trace_connect_cb_list =
 172               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 173           ETag_surfxml_trace_connect_cb_list =
 174               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 175           STag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 176           ETag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 177           STag_surfxml_AS_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 178           ETag_surfxml_AS_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 179           STag_surfxml_ASroute_cb_list =
 180               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 181           ETag_surfxml_ASroute_cb_list =
 182               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 183           STag_surfxml_bypassRoute_cb_list =
 184               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 185           ETag_surfxml_bypassRoute_cb_list =
 186               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 187           STag_surfxml_cluster_cb_list =
 188               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 189           ETag_surfxml_cluster_cb_list =
 190               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 191           STag_surfxml_peer_cb_list =
 192               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 193           ETag_surfxml_peer_cb_list =
 194               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 195           STag_surfxml_include_cb_list =
 196                           xbt_dynar_new(sizeof(void_f_void_t), NULL);
 197           ETag_surfxml_include_cb_list =
 198                           xbt_dynar_new(sizeof(void_f_void_t), NULL);
 199 }
 200
 201 void surf_parse_reset_callbacks(void)
 202 {
 203         surf_parse_free_callbacks();
 204         surf_parse_init_callbacks();
 205 }
 206
 207 void surf_parse_free_callbacks(void)
 208 {
 209   sg_platf_exit(); // FIXME: better place?
 210
 211   xbt_dynar_free(&STag_surfxml_route_cb_list);
 212   xbt_dynar_free(&ETag_surfxml_route_cb_list);
 213   xbt_dynar_free(&STag_surfxml_link_ctn_cb_list);
 214   xbt_dynar_free(&ETag_surfxml_link_ctn_cb_list);
 215   xbt_dynar_free(&STag_surfxml_process_cb_list);
 216   xbt_dynar_free(&ETag_surfxml_process_cb_list);
 217   xbt_dynar_free(&STag_surfxml_argument_cb_list);
 218   xbt_dynar_free(&ETag_surfxml_argument_cb_list);
 219   xbt_dynar_free(&STag_surfxml_prop_cb_list);
 220   xbt_dynar_free(&ETag_surfxml_prop_cb_list);
 221   xbt_dynar_free(&STag_surfxml_trace_cb_list);
 222   xbt_dynar_free(&ETag_surfxml_trace_cb_list);
 223   xbt_dynar_free(&STag_surfxml_trace_connect_cb_list);
 224   xbt_dynar_free(&ETag_surfxml_trace_connect_cb_list);
 225   xbt_dynar_free(&STag_surfxml_random_cb_list);
 226   xbt_dynar_free(&ETag_surfxml_random_cb_list);
 227   xbt_dynar_free(&STag_surfxml_AS_cb_list);
 228   xbt_dynar_free(&ETag_surfxml_AS_cb_list);
 229   xbt_dynar_free(&STag_surfxml_ASroute_cb_list);
 230   xbt_dynar_free(&ETag_surfxml_ASroute_cb_list);
 231   xbt_dynar_free(&STag_surfxml_bypassRoute_cb_list);
 232   xbt_dynar_free(&ETag_surfxml_bypassRoute_cb_list);
 233   xbt_dynar_free(&STag_surfxml_cluster_cb_list);
 234   xbt_dynar_free(&ETag_surfxml_cluster_cb_list);
 235   xbt_dynar_free(&STag_surfxml_peer_cb_list);
 236   xbt_dynar_free(&ETag_surfxml_peer_cb_list);
 237   xbt_dynar_free(&STag_surfxml_include_cb_list);
 238   xbt_dynar_free(&ETag_surfxml_include_cb_list);
 239 }
 240
 241 /* Stag and Etag parse functions */
 242 void ETag_surfxml_router(void)  { /* ignored -- do not add content here */ }
 243
 244 void STag_surfxml_platform(void) {
 245   _XBT_GNUC_UNUSED double version = surf_parse_get_double(A_surfxml_platform_version);
 246
 247   xbt_assert((version >= 1.0), "******* BIG FAT WARNING *********\n "
 248       "You're using an ancient XML file.\n"
 249       "Since SimGrid 3.1, units are Bytes, Flops, and seconds "
 250       "instead of MBytes, MFlops and seconds.\n"
 251
 252       "Use simgrid_update_xml to update your file automatically. "
 253       "This program is installed automatically with SimGrid, or "
 254       "available in the tools/ directory of the source archive.\n"
 255
 256       "Please check also out the SURF section of the ChangeLog for "
 257       "the 3.1 version for more information. \n"
 258
 259       "Last, do not forget to also update your values for "
 260       "the calls to MSG_task_create (if any).");
 261   xbt_assert((version >= 3.0), "******* BIG FAT WARNING *********\n "
 262       "You're using an old XML file.\n"
 263       "Use simgrid_update_xml to update your file automatically. "
 264       "This program is installed automatically with SimGrid, or "
 265       "available in the tools/ directory of the source archive.");
 266
 267   sg_platf_open();
 268 }
 269 void ETag_surfxml_platform(void){
 270   sg_platf_close();
 271 }
 272
 273 void STag_surfxml_host(void){
 274   s_sg_platf_host_cbarg_t host;
 275   memset(&host,0,sizeof(host));
 276
 277   xbt_assert(current_property_set == NULL, "Someone forgot to reset the property set to NULL in its closing tag (or XML malformed)");
 278   host.properties = current_property_set = xbt_dict_new();
 279
 280         host.id = A_surfxml_host_id;
 281         host.power_peak = get_cpu_power(A_surfxml_host_power);
 282         host.power_scale = surf_parse_get_double( A_surfxml_host_availability);
 283         host.core_amount = surf_parse_get_int(A_surfxml_host_core);
 284         host.power_trace = tmgr_trace_new(A_surfxml_host_availability_file);
 285         host.state_trace = tmgr_trace_new(A_surfxml_host_state_file);
 286         xbt_assert((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 287                           (A_surfxml_host_state == A_surfxml_host_state_OFF), "Invalid state");
 288         if (A_surfxml_host_state == A_surfxml_host_state_ON)
 289                 host.initial_state = SURF_RESOURCE_ON;
 290         if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 291                 host.initial_state = SURF_RESOURCE_OFF;
 292         host.coord = A_surfxml_host_coordinates;
 293
 294         sg_platf_new_host(&host);
 295 }
 296 void ETag_surfxml_host(void)    {
 297   current_property_set = NULL;
 298 }
 299
 300 void STag_surfxml_router(void){
 301   s_sg_platf_router_cbarg_t router;
 302   memset(&router, 0, sizeof(router));
 303
 304         router.id = A_surfxml_router_id;
 305         router.coord = A_surfxml_router_coordinates;
 306
 307         sg_platf_new_router(&router);
 308 }
 309
 310 void STag_surfxml_cluster(void){
 311         struct_cluster = xbt_new0(s_surf_parsing_cluster_arg_t, 1);
 312         struct_cluster->id = A_surfxml_cluster_id;
 313         struct_cluster->prefix = A_surfxml_cluster_prefix;
 314         struct_cluster->suffix = A_surfxml_cluster_suffix;
 315         struct_cluster->radical = A_surfxml_cluster_radical;
 316         struct_cluster->power= surf_parse_get_double(A_surfxml_cluster_power);
 317         struct_cluster->core_amount = surf_parse_get_int(A_surfxml_cluster_core);
 318         struct_cluster->bw =   surf_parse_get_double(A_surfxml_cluster_bw);
 319         struct_cluster->lat =  surf_parse_get_double(A_surfxml_cluster_lat);
 320         if(strcmp(A_surfxml_cluster_bb_bw,""))
 321           struct_cluster->bb_bw = surf_parse_get_double(A_surfxml_cluster_bb_bw);
 322         if(strcmp(A_surfxml_cluster_bb_lat,""))
 323           struct_cluster->bb_lat = surf_parse_get_double(A_surfxml_cluster_bb_lat);
 324         struct_cluster->router_id = A_surfxml_cluster_router_id;
 325
 326         struct_cluster->sharing_policy = AX_surfxml_cluster_sharing_policy;
 327         struct_cluster->bb_sharing_policy = AX_surfxml_cluster_bb_sharing_policy;
 328
 329         struct_cluster->availability_trace = A_surfxml_cluster_availability_file;
 330         struct_cluster->state_trace = A_surfxml_cluster_state_file;
 331
 332         surfxml_call_cb_functions(STag_surfxml_cluster_cb_list);
 333 }
 334 void ETag_surfxml_cluster(void){
 335         surfxml_call_cb_functions(ETag_surfxml_cluster_cb_list);
 336         xbt_free(struct_cluster);
 337 }
 338
 339 void STag_surfxml_peer(void){
 340         struct_peer = xbt_new0(s_surf_parsing_peer_arg_t, 1);
 341         struct_peer->id = A_surfxml_peer_id;
 342         struct_peer->power = A_surfxml_peer_power;
 343         struct_peer->bw_in = A_surfxml_peer_bw_in;
 344         struct_peer->bw_out = A_surfxml_peer_bw_out;
 345         struct_peer->lat = A_surfxml_peer_lat;
 346         struct_peer->coord = A_surfxml_peer_coordinates;
 347         struct_peer->availability_trace = A_surfxml_peer_availability_file;
 348         struct_peer->state_trace = A_surfxml_peer_state_file;
 349         surfxml_call_cb_functions(STag_surfxml_peer_cb_list);
 350 }
 351 void ETag_surfxml_peer(void){
 352         surfxml_call_cb_functions(ETag_surfxml_peer_cb_list);
 353         xbt_free(struct_peer);
 354 }
 355 void STag_surfxml_link(void){
 356   s_sg_platf_link_cbarg_t link;
 357   memset(&link,0,sizeof(link));
 358
 359   xbt_assert(current_property_set == NULL, "Someone forgot to reset the property set to NULL in its closing tag (or XML malformed)");
 360   link.properties = current_property_set = xbt_dict_new();
 361
 362         link.id = A_surfxml_link_id;
 363         link.bandwidth = surf_parse_get_double(A_surfxml_link_bandwidth);
 364         link.bandwidth_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
 365         link.latency = surf_parse_get_double(A_surfxml_link_latency);
 366         link.latency_trace = tmgr_trace_new(A_surfxml_link_latency_file);
 367
 368         switch (A_surfxml_link_state) {
 369         case A_surfxml_link_state_ON:
 370                 link.state = SURF_RESOURCE_ON;
 371                 break;
 372         case A_surfxml_link_state_OFF:
 373                 link.state = SURF_RESOURCE_OFF;
 374                 break;
 375         default:
 376           surf_parse_error(bprintf("invalid state for link %s",link.id));
 377         }
 378         link.state_trace = tmgr_trace_new(A_surfxml_link_state_file);
 379
 380         switch (A_surfxml_link_sharing_policy) {
 381         case A_surfxml_link_sharing_policy_SHARED:
 382                 link.policy = SURF_LINK_SHARED;
 383                 break;
 384         case A_surfxml_link_sharing_policy_FATPIPE:
 385                  link.policy = SURF_LINK_FATPIPE;
 386                  break;
 387         case A_surfxml_link_sharing_policy_FULLDUPLEX:
 388                  link.policy = SURF_LINK_FULLDUPLEX;
 389                  break;
 390         default:
 391           surf_parse_error(bprintf("Invalid sharing policy in link %s",link.id));
 392         }
 393
 394         sg_platf_new_link(&link);
 395 }
 396 void ETag_surfxml_link(void){
 397   current_property_set = NULL;
 398 }
 399
 400 void STag_surfxml_route(void){
 401         surfxml_call_cb_functions(STag_surfxml_route_cb_list);
 402 }
 403 void STag_surfxml_link_ctn(void){
 404         surfxml_call_cb_functions(STag_surfxml_link_ctn_cb_list);
 405 }
 406 void STag_surfxml_process(void){
 407         surfxml_call_cb_functions(STag_surfxml_process_cb_list);
 408 }
 409 void STag_surfxml_argument(void){
 410         surfxml_call_cb_functions(STag_surfxml_argument_cb_list);
 411 }
 412 void STag_surfxml_prop(void){
 413         surfxml_call_cb_functions(STag_surfxml_prop_cb_list);
 414 }
 415 void STag_surfxml_trace(void){
 416         surfxml_call_cb_functions(STag_surfxml_trace_cb_list);
 417 }
 418 void STag_surfxml_trace_connect(void){
 419         surfxml_call_cb_functions(STag_surfxml_trace_connect_cb_list);
 420 }
 421 void STag_surfxml_AS(void){
 422         surfxml_call_cb_functions(STag_surfxml_AS_cb_list);
 423 }
 424 void STag_surfxml_ASroute(void){
 425         surfxml_call_cb_functions(STag_surfxml_ASroute_cb_list);
 426 }
 427 void STag_surfxml_bypassRoute(void){
 428         surfxml_call_cb_functions(STag_surfxml_bypassRoute_cb_list);
 429 }
 430 void STag_surfxml_config(void){
 431   XBT_DEBUG("START configuration name = %s",A_surfxml_config_id);
 432   xbt_assert(current_property_set == NULL, "Someone forgot to reset the property set to NULL in its closing tag (or XML malformed)");
 433   current_property_set = xbt_dict_new();
 434
 435 }
 436 void ETag_surfxml_config(void){
 437   xbt_dict_cursor_t cursor = NULL;
 438   char *key;
 439   char *elem;
 440   char *cfg;
 441   xbt_dict_foreach(current_property_set, cursor, key, elem) {
 442     cfg = bprintf("%s:%s",key,elem);
 443     if(xbt_cfg_is_default_value(_surf_cfg_set, key))
 444       xbt_cfg_set_parse(_surf_cfg_set, cfg);
 445     else
 446       XBT_INFO("The custom configuration '%s' is already defined by user!",key);
 447     free(cfg);
 448   }
 449   XBT_DEBUG("End configuration name = %s",A_surfxml_config_id);
 450   xbt_dict_free(&current_property_set);
 451 }
 452 void STag_surfxml_random(void){
 453         surfxml_call_cb_functions(STag_surfxml_random_cb_list);
 454 }
 455
 456 #define parse_method(type,name) \
 457 void type##Tag_surfxml_##name(void) \
 458 { surfxml_call_cb_functions(type##Tag_surfxml_##name##_cb_list); }
 459 parse_method(E, route);
 460 parse_method(E, link_ctn);
 461 parse_method(E, process);
 462 parse_method(E, argument);
 463 parse_method(E, prop);
 464 parse_method(E, trace);
 465 parse_method(E, trace_connect);
 466 parse_method(E, random);
 467 parse_method(E, AS);
 468 parse_method(E, ASroute);
 469 parse_method(E, bypassRoute);
 470
 471 /* Open and Close parse file */
 472
 473 void surf_parse_open(const char *file)
 474 {
 475   static int warned = 0;        /* warn only once */
 476   if (!file) {
 477     if (!warned) {
 478       XBT_WARN
 479           ("Bypassing the XML parser since surf_parse_open received a NULL pointer. "
 480               "If it is not what you want, go fix your code.");
 481       warned = 1;
 482     }
 483     return;
 484   }
 485
 486   if (!surf_input_buffer_stack)
 487     surf_input_buffer_stack = xbt_dynar_new(sizeof(YY_BUFFER_STATE), NULL);
 488   if (!surf_file_to_parse_stack)
 489     surf_file_to_parse_stack = xbt_dynar_new(sizeof(FILE *), NULL);
 490
 491   surf_file_to_parse = surf_fopen(file, "r");
 492   xbt_assert((surf_file_to_parse), "Unable to open \"%s\"\n", file);
 493   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, YY_BUF_SIZE);
 494   surf_parse__switch_to_buffer(surf_input_buffer);
 495   surf_parse_lineno = 1;
 496 }
 497
 498 void surf_parse_close(void)
 499 {
 500   if (surf_input_buffer_stack)
 501     xbt_dynar_free(&surf_input_buffer_stack);
 502   if (surf_file_to_parse_stack)
 503     xbt_dynar_free(&surf_file_to_parse_stack);
 504
 505   if (surf_file_to_parse) {
 506     surf_parse__delete_buffer(surf_input_buffer);
 507     fclose(surf_file_to_parse);
 508     surf_file_to_parse = NULL; //Must be reset for Bypass
 509   }
 510 }
 511
 512 /* Call the lexer to parse the currently opened file. This pointer to function enables bypassing of the parser */
 513
 514 static int _surf_parse(void) {
 515   return surf_parse_lex();
 516 }
 517 int_f_void_t surf_parse = _surf_parse;
 518
 519
 520 /* Aux parse functions */
 521
 522 void surfxml_add_callback(xbt_dynar_t cb_list, void_f_void_t function)
 523 {
 524   xbt_dynar_push(cb_list, &function);
 525 }
 526
 527 void surfxml_del_callback(xbt_dynar_t cb_list, void_f_void_t function)
 528 {
 529   xbt_ex_t e;
 530   unsigned int it=0;
 531   void_f_void_t null_f=NULL;
 532
 533   TRY {
 534     it = xbt_dynar_search(cb_list,&function);
 535   }
 536   CATCH(e) {
 537     if (e.category == not_found_error) {
 538       xbt_ex_free(e);
 539       xbt_die("Trying to remove a callback that is not here! This should not happen");
 540     }
 541     RETHROW;
 542   }
 543
 544   xbt_dynar_replace(cb_list, it,&null_f);
 545 }
 546
 547 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t cb_list)
 548 {
 549   unsigned int iterator;
 550   void_f_void_t fun;
 551   xbt_dynar_foreach(cb_list, iterator, fun) {
 552     if (fun) (*fun) ();
 553   }
 554 }
 555
 556
 557 /* Prop tag functions */
 558
 559 void parse_properties(const char* prop_id, const char* prop_value)
 560 {
 561         if (!current_property_set)
 562             current_property_set = xbt_dict_new();      // Maybe, it should raise an error
 563         if(!strcmp(prop_id,"coordinates")){
 564                 if(!strcmp(prop_value,"yes") && !COORD_HOST_LEVEL)
 565                   {
 566                             XBT_INFO("Configuration change: Set '%s' to '%s'", prop_id, prop_value);
 567                                 COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
 568                                 COORD_ASR_LEVEL  = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
 569                   }
 570                 if(strcmp(A_surfxml_prop_value,"yes"))
 571                           xbt_die("Setting XML prop coordinates must be \"yes\"");
 572           }
 573         else{
 574                   xbt_dict_set(current_property_set, prop_id, xbt_strdup(prop_value), free);
 575          }
 576 }
 577
 578 /**
 579  * With XML parser
 580  */
 581 void parse_properties_XML(void)
 582 {
 583   parse_properties(A_surfxml_prop_id, A_surfxml_prop_value);
 584 }
 585
 586
 587 /* Random tag functions */
 588
 589 double get_cpu_power(const char *power)
 590 {
 591   double power_scale = 0.0;
 592   const char *p, *q;
 593   char *generator;
 594   random_data_t random = NULL;
 595   /* randomness is inserted like this: power="$rand(my_random)" */
 596   if (((p = strstr(power, "$rand(")) != NULL)
 597       && ((q = strstr(power, ")")) != NULL)) {
 598     if (p < q) {
 599       generator = xbt_malloc(q - (p + 6) + 1);
 600       memcpy(generator, p + 6, q - (p + 6));
 601       generator[q - (p + 6)] = '\0';
 602       random = xbt_dict_get_or_null(random_data_list, generator);
 603       xbt_assert(random, "Random generator %s undefined", generator);
 604       power_scale = random_generate(random);
 605     }
 606   } else {
 607     power_scale = surf_parse_get_double(power);
 608   }
 609   return power_scale;
 610 }
 611
 612 double random_min, random_max, random_mean, random_std_deviation,
 613     random_generator;
 614 char *random_id;
 615
 616 static void init_randomness(void)
 617 {
 618   random_id = A_surfxml_random_id;
 619   random_min = surf_parse_get_double(A_surfxml_random_min);
 620   random_max = surf_parse_get_double(A_surfxml_random_max);
 621   random_mean = surf_parse_get_double(A_surfxml_random_mean);
 622   random_std_deviation = surf_parse_get_double(A_surfxml_random_std_deviation);
 623   random_generator = A_surfxml_random_generator;
 624 }
 625
 626 static void add_randomness(void)
 627 {
 628   /* If needed aditional properties can be added by using the prop tag */
 629   random_data_t random =
 630       random_new(random_generator, 0, random_min, random_max, random_mean,
 631                  random_std_deviation);
 632   xbt_dict_set(random_data_list, random_id, (void *) random,
 633                &xbt_free_ref);
 634 }
 635