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(const 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_ASroute_cb_list = NULL;
  72 xbt_dynar_t ETag_surfxml_ASroute_cb_list = NULL;
  73 xbt_dynar_t STag_surfxml_bypassRoute_cb_list = NULL;
  74 xbt_dynar_t ETag_surfxml_bypassRoute_cb_list = NULL;
  75 xbt_dynar_t STag_surfxml_include_cb_list = NULL;
  76 xbt_dynar_t ETag_surfxml_include_cb_list = NULL;
  77
  78 /* The default current property receiver. Setup in the corresponding opening callbacks. */
  79 xbt_dict_t current_property_set = NULL;
  80 /* dictionary of random generator data */
  81 xbt_dict_t random_data_list = NULL;
  82
  83 /* Call all the callbacks of a specific SAX event */
  84 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t);
  85
  86 YY_BUFFER_STATE surf_input_buffer;
  87 FILE *surf_file_to_parse = NULL;
  88
  89 static void init_randomness(void);
  90 static void add_randomness(void);
  91
  92 /*
  93  * Stuff relative to the <include> tag
  94  */
  95
  96 static xbt_dynar_t surf_input_buffer_stack = NULL;
  97 static xbt_dynar_t surf_file_to_parse_stack = NULL;
  98
  99 void STag_surfxml_include(void)
 100 {
 101   XBT_INFO("STag_surfxml_include '%s'",A_surfxml_include_file);
 102   xbt_dynar_push(surf_file_to_parse_stack, &surf_file_to_parse); //save old filename
 103
 104   surf_file_to_parse = surf_fopen(A_surfxml_include_file, "r"); // read new filename
 105   xbt_assert((surf_file_to_parse), "Unable to open \"%s\"\n",
 106               A_surfxml_include_file);
 107   xbt_dynar_push(surf_input_buffer_stack,&surf_input_buffer);
 108   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, YY_BUF_SIZE);
 109   surf_parse_push_buffer_state(surf_input_buffer);
 110   fflush(NULL);
 111 }
 112
 113 void ETag_surfxml_include(void) {
 114 /* Nothing to do when done with reading the include tag.
 115  * Instead, the handling should be deferred until the EOF of current buffer -- see below */
 116 }
 117
 118 /** @brief When reaching EOF, check whether we are in an include tag, and behave accordingly if yes
 119  *
 120  * This function is called automatically by sedding the parser in buildtools/Cmake/MaintainerMode.cmake
 121  * Every FAIL on "Premature EOF" is preceded by a call to this function, which role is to restore the
 122  * previous buffer if we reached the EOF /of an include file/. Its return code is used to avoid the
 123  * error message in that case.
 124  *
 125  * Yeah, that's terribly hackish, but it works. A better solution should be dealed with in flexml
 126  * directly: a command line flag could instruct it to do the correct thing when #include is encountered
 127  * on a line.
 128  */
 129 int ETag_surfxml_include_state(void)
 130 {
 131   fflush(NULL);
 132   XBT_INFO("ETag_surfxml_include_state '%s'",A_surfxml_include_file);
 133   if(xbt_dynar_length(surf_input_buffer_stack)!= 0)
 134           return 1;
 135   fclose(surf_file_to_parse);
 136   xbt_dynar_pop(surf_file_to_parse_stack, &surf_file_to_parse);
 137   surf_parse_pop_buffer_state();
 138   xbt_dynar_pop(surf_input_buffer_stack,surf_input_buffer);
 139   return 0;
 140 }
 141
 142
 143 void surf_parse_init_callbacks(void)
 144 {
 145           sg_platf_init(); // FIXME: move to a proper place?
 146
 147           STag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 148           ETag_surfxml_route_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 149           STag_surfxml_link_ctn_cb_list =
 150               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 151           ETag_surfxml_link_ctn_cb_list =
 152               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 153           STag_surfxml_process_cb_list =
 154               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 155           ETag_surfxml_process_cb_list =
 156               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 157           STag_surfxml_argument_cb_list =
 158               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 159           ETag_surfxml_argument_cb_list =
 160               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 161           STag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 162           ETag_surfxml_prop_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 163           STag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 164           ETag_surfxml_trace_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 165           STag_surfxml_trace_connect_cb_list =
 166               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 167           ETag_surfxml_trace_connect_cb_list =
 168               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 169           STag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 170           ETag_surfxml_random_cb_list = xbt_dynar_new(sizeof(void_f_void_t), NULL);
 171           STag_surfxml_ASroute_cb_list =
 172               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 173           ETag_surfxml_ASroute_cb_list =
 174               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 175           STag_surfxml_bypassRoute_cb_list =
 176               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 177           ETag_surfxml_bypassRoute_cb_list =
 178               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 179           STag_surfxml_cluster_cb_list =
 180               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 181           ETag_surfxml_cluster_cb_list =
 182               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 183           STag_surfxml_peer_cb_list =
 184               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 185           ETag_surfxml_peer_cb_list =
 186               xbt_dynar_new(sizeof(void_f_void_t), NULL);
 187           STag_surfxml_include_cb_list =
 188                           xbt_dynar_new(sizeof(void_f_void_t), NULL);
 189           ETag_surfxml_include_cb_list =
 190                           xbt_dynar_new(sizeof(void_f_void_t), NULL);
 191 }
 192
 193 void surf_parse_reset_callbacks(void)
 194 {
 195         surf_parse_free_callbacks();
 196         surf_parse_init_callbacks();
 197 }
 198
 199 void surf_parse_free_callbacks(void)
 200 {
 201   sg_platf_exit(); // FIXME: better place?
 202
 203   xbt_dynar_free(&STag_surfxml_route_cb_list);
 204   xbt_dynar_free(&ETag_surfxml_route_cb_list);
 205   xbt_dynar_free(&STag_surfxml_link_ctn_cb_list);
 206   xbt_dynar_free(&ETag_surfxml_link_ctn_cb_list);
 207   xbt_dynar_free(&STag_surfxml_process_cb_list);
 208   xbt_dynar_free(&ETag_surfxml_process_cb_list);
 209   xbt_dynar_free(&STag_surfxml_argument_cb_list);
 210   xbt_dynar_free(&ETag_surfxml_argument_cb_list);
 211   xbt_dynar_free(&STag_surfxml_prop_cb_list);
 212   xbt_dynar_free(&ETag_surfxml_prop_cb_list);
 213   xbt_dynar_free(&STag_surfxml_trace_cb_list);
 214   xbt_dynar_free(&ETag_surfxml_trace_cb_list);
 215   xbt_dynar_free(&STag_surfxml_trace_connect_cb_list);
 216   xbt_dynar_free(&ETag_surfxml_trace_connect_cb_list);
 217   xbt_dynar_free(&STag_surfxml_random_cb_list);
 218   xbt_dynar_free(&ETag_surfxml_random_cb_list);
 219   xbt_dynar_free(&STag_surfxml_ASroute_cb_list);
 220   xbt_dynar_free(&ETag_surfxml_ASroute_cb_list);
 221   xbt_dynar_free(&STag_surfxml_bypassRoute_cb_list);
 222   xbt_dynar_free(&ETag_surfxml_bypassRoute_cb_list);
 223   xbt_dynar_free(&STag_surfxml_cluster_cb_list);
 224   xbt_dynar_free(&ETag_surfxml_cluster_cb_list);
 225   xbt_dynar_free(&STag_surfxml_peer_cb_list);
 226   xbt_dynar_free(&ETag_surfxml_peer_cb_list);
 227   xbt_dynar_free(&STag_surfxml_include_cb_list);
 228   xbt_dynar_free(&ETag_surfxml_include_cb_list);
 229 }
 230
 231 /* Stag and Etag parse functions */
 232 void ETag_surfxml_router(void)  { /* ignored -- do not add content here */ }
 233
 234 void STag_surfxml_platform(void) {
 235   _XBT_GNUC_UNUSED double version = surf_parse_get_double(A_surfxml_platform_version);
 236
 237   xbt_assert((version >= 1.0), "******* BIG FAT WARNING *********\n "
 238       "You're using an ancient XML file.\n"
 239       "Since SimGrid 3.1, units are Bytes, Flops, and seconds "
 240       "instead of MBytes, MFlops and seconds.\n"
 241
 242       "Use simgrid_update_xml to update your file automatically. "
 243       "This program is installed automatically with SimGrid, or "
 244       "available in the tools/ directory of the source archive.\n"
 245
 246       "Please check also out the SURF section of the ChangeLog for "
 247       "the 3.1 version for more information. \n"
 248
 249       "Last, do not forget to also update your values for "
 250       "the calls to MSG_task_create (if any).");
 251   xbt_assert((version >= 3.0), "******* BIG FAT WARNING *********\n "
 252       "You're using an old XML file.\n"
 253       "Use simgrid_update_xml to update your file automatically. "
 254       "This program is installed automatically with SimGrid, or "
 255       "available in the tools/ directory of the source archive.");
 256
 257   sg_platf_open();
 258 }
 259 void ETag_surfxml_platform(void){
 260   sg_platf_close();
 261 }
 262
 263 void STag_surfxml_host(void){
 264   s_sg_platf_host_cbarg_t host;
 265   memset(&host,0,sizeof(host));
 266
 267   xbt_assert(current_property_set == NULL, "Someone forgot to reset the property set to NULL in its closing tag (or XML malformed)");
 268   host.properties = current_property_set = xbt_dict_new();
 269
 270         host.id = A_surfxml_host_id;
 271         host.power_peak = get_cpu_power(A_surfxml_host_power);
 272         host.power_scale = surf_parse_get_double( A_surfxml_host_availability);
 273         host.core_amount = surf_parse_get_int(A_surfxml_host_core);
 274         host.power_trace = tmgr_trace_new(A_surfxml_host_availability_file);
 275         host.state_trace = tmgr_trace_new(A_surfxml_host_state_file);
 276         xbt_assert((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 277                           (A_surfxml_host_state == A_surfxml_host_state_OFF), "Invalid state");
 278         if (A_surfxml_host_state == A_surfxml_host_state_ON)
 279                 host.initial_state = SURF_RESOURCE_ON;
 280         if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 281                 host.initial_state = SURF_RESOURCE_OFF;
 282         host.coord = A_surfxml_host_coordinates;
 283
 284         sg_platf_new_host(&host);
 285 }
 286 void ETag_surfxml_host(void)    {
 287   current_property_set = NULL;
 288 }
 289
 290 void STag_surfxml_router(void){
 291   s_sg_platf_router_cbarg_t router;
 292   memset(&router, 0, sizeof(router));
 293
 294         router.id = A_surfxml_router_id;
 295         router.coord = A_surfxml_router_coordinates;
 296
 297         sg_platf_new_router(&router);
 298 }
 299
 300 void STag_surfxml_cluster(void){
 301         struct_cluster = xbt_new0(s_surf_parsing_cluster_arg_t, 1);
 302         struct_cluster->id = A_surfxml_cluster_id;
 303         struct_cluster->prefix = A_surfxml_cluster_prefix;
 304         struct_cluster->suffix = A_surfxml_cluster_suffix;
 305         struct_cluster->radical = A_surfxml_cluster_radical;
 306         struct_cluster->power= surf_parse_get_double(A_surfxml_cluster_power);
 307         struct_cluster->core_amount = surf_parse_get_int(A_surfxml_cluster_core);
 308         struct_cluster->bw =   surf_parse_get_double(A_surfxml_cluster_bw);
 309         struct_cluster->lat =  surf_parse_get_double(A_surfxml_cluster_lat);
 310         if(strcmp(A_surfxml_cluster_bb_bw,""))
 311           struct_cluster->bb_bw = surf_parse_get_double(A_surfxml_cluster_bb_bw);
 312         if(strcmp(A_surfxml_cluster_bb_lat,""))
 313           struct_cluster->bb_lat = surf_parse_get_double(A_surfxml_cluster_bb_lat);
 314         struct_cluster->router_id = A_surfxml_cluster_router_id;
 315
 316         struct_cluster->sharing_policy = AX_surfxml_cluster_sharing_policy;
 317         struct_cluster->bb_sharing_policy = AX_surfxml_cluster_bb_sharing_policy;
 318
 319         struct_cluster->availability_trace = A_surfxml_cluster_availability_file;
 320         struct_cluster->state_trace = A_surfxml_cluster_state_file;
 321
 322         surfxml_call_cb_functions(STag_surfxml_cluster_cb_list);
 323 }
 324 void ETag_surfxml_cluster(void){
 325         surfxml_call_cb_functions(ETag_surfxml_cluster_cb_list);
 326         xbt_free(struct_cluster);
 327 }
 328
 329 void STag_surfxml_peer(void){
 330   s_sg_platf_peer_cbarg_t peer;
 331   memset(&peer,0,sizeof(peer));
 332         peer.id = A_surfxml_peer_id;
 333         peer.power = surf_parse_get_double(A_surfxml_peer_power);
 334         peer.bw_in = surf_parse_get_double(A_surfxml_peer_bw_in);
 335         peer.bw_out = surf_parse_get_double(A_surfxml_peer_bw_out);
 336         peer.lat = surf_parse_get_double(A_surfxml_peer_lat);
 337         peer.coord = A_surfxml_peer_coordinates;
 338         peer.availability_trace = tmgr_trace_new(A_surfxml_peer_availability_file);
 339         peer.state_trace = tmgr_trace_new(A_surfxml_peer_state_file);
 340
 341         surfxml_call_cb_functions(STag_surfxml_peer_cb_list);
 342         sg_platf_new_peer(&peer);
 343 }
 344 void ETag_surfxml_peer(void){
 345   /* nothing to do here */
 346 }
 347 void STag_surfxml_link(void){
 348   s_sg_platf_link_cbarg_t link;
 349   memset(&link,0,sizeof(link));
 350
 351   xbt_assert(current_property_set == NULL, "Someone forgot to reset the property set to NULL in its closing tag (or XML malformed)");
 352   link.properties = current_property_set = xbt_dict_new();
 353
 354         link.id = A_surfxml_link_id;
 355         link.bandwidth = surf_parse_get_double(A_surfxml_link_bandwidth);
 356         link.bandwidth_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
 357         link.latency = surf_parse_get_double(A_surfxml_link_latency);
 358         link.latency_trace = tmgr_trace_new(A_surfxml_link_latency_file);
 359
 360         switch (A_surfxml_link_state) {
 361         case A_surfxml_link_state_ON:
 362                 link.state = SURF_RESOURCE_ON;
 363                 break;
 364         case A_surfxml_link_state_OFF:
 365                 link.state = SURF_RESOURCE_OFF;
 366                 break;
 367         default:
 368           surf_parse_error(bprintf("invalid state for link %s",link.id));
 369         }
 370         link.state_trace = tmgr_trace_new(A_surfxml_link_state_file);
 371
 372         switch (A_surfxml_link_sharing_policy) {
 373         case A_surfxml_link_sharing_policy_SHARED:
 374                 link.policy = SURF_LINK_SHARED;
 375                 break;
 376         case A_surfxml_link_sharing_policy_FATPIPE:
 377                  link.policy = SURF_LINK_FATPIPE;
 378                  break;
 379         case A_surfxml_link_sharing_policy_FULLDUPLEX:
 380                  link.policy = SURF_LINK_FULLDUPLEX;
 381                  break;
 382         default:
 383           surf_parse_error(bprintf("Invalid sharing policy in link %s",link.id));
 384         }
 385
 386         sg_platf_new_link(&link);
 387 }
 388 void ETag_surfxml_link(void){
 389   current_property_set = NULL;
 390 }
 391
 392 void STag_surfxml_route(void){
 393         surfxml_call_cb_functions(STag_surfxml_route_cb_list);
 394 }
 395 void STag_surfxml_link_ctn(void){
 396         surfxml_call_cb_functions(STag_surfxml_link_ctn_cb_list);
 397 }
 398 void STag_surfxml_process(void){
 399         surfxml_call_cb_functions(STag_surfxml_process_cb_list);
 400 }
 401 void STag_surfxml_argument(void){
 402         surfxml_call_cb_functions(STag_surfxml_argument_cb_list);
 403 }
 404 void STag_surfxml_prop(void){
 405         surfxml_call_cb_functions(STag_surfxml_prop_cb_list);
 406 }
 407 void STag_surfxml_trace(void){
 408         surfxml_call_cb_functions(STag_surfxml_trace_cb_list);
 409 }
 410 void STag_surfxml_trace_connect(void){
 411         surfxml_call_cb_functions(STag_surfxml_trace_connect_cb_list);
 412 }
 413 void STag_surfxml_AS(void){
 414   sg_platf_new_AS_open(A_surfxml_AS_id,A_surfxml_AS_routing);
 415 }
 416 void ETag_surfxml_AS(void){
 417   sg_platf_new_AS_close();
 418 }
 419 void STag_surfxml_ASroute(void){
 420         surfxml_call_cb_functions(STag_surfxml_ASroute_cb_list);
 421 }
 422 void STag_surfxml_bypassRoute(void){
 423         surfxml_call_cb_functions(STag_surfxml_bypassRoute_cb_list);
 424 }
 425 void STag_surfxml_config(void){
 426   XBT_DEBUG("START configuration name = %s",A_surfxml_config_id);
 427   xbt_assert(current_property_set == NULL, "Someone forgot to reset the property set to NULL in its closing tag (or XML malformed)");
 428   current_property_set = xbt_dict_new();
 429
 430 }
 431 void ETag_surfxml_config(void){
 432   xbt_dict_cursor_t cursor = NULL;
 433   char *key;
 434   char *elem;
 435   char *cfg;
 436   xbt_dict_foreach(current_property_set, cursor, key, elem) {
 437     cfg = bprintf("%s:%s",key,elem);
 438     if(xbt_cfg_is_default_value(_surf_cfg_set, key))
 439       xbt_cfg_set_parse(_surf_cfg_set, cfg);
 440     else
 441       XBT_INFO("The custom configuration '%s' is already defined by user!",key);
 442     free(cfg);
 443   }
 444   XBT_DEBUG("End configuration name = %s",A_surfxml_config_id);
 445   xbt_dict_free(&current_property_set);
 446 }
 447 void STag_surfxml_random(void){
 448         surfxml_call_cb_functions(STag_surfxml_random_cb_list);
 449 }
 450
 451 #define parse_method(type,name) \
 452 void type##Tag_surfxml_##name(void) \
 453 { surfxml_call_cb_functions(type##Tag_surfxml_##name##_cb_list); }
 454 parse_method(E, route);
 455 parse_method(E, link_ctn);
 456 parse_method(E, process);
 457 parse_method(E, argument);
 458 parse_method(E, prop);
 459 parse_method(E, trace);
 460 parse_method(E, trace_connect);
 461 parse_method(E, random);
 462 parse_method(E, ASroute);
 463 parse_method(E, bypassRoute);
 464
 465 /* Open and Close parse file */
 466
 467 void surf_parse_open(const char *file)
 468 {
 469   static int warned = 0;        /* warn only once */
 470   if (!file) {
 471     if (!warned) {
 472       XBT_WARN
 473           ("Bypassing the XML parser since surf_parse_open received a NULL pointer. "
 474               "If it is not what you want, go fix your code.");
 475       warned = 1;
 476     }
 477     return;
 478   }
 479
 480   if (!surf_input_buffer_stack)
 481     surf_input_buffer_stack = xbt_dynar_new(sizeof(YY_BUFFER_STATE), NULL);
 482   if (!surf_file_to_parse_stack)
 483     surf_file_to_parse_stack = xbt_dynar_new(sizeof(FILE *), NULL);
 484
 485   surf_file_to_parse = surf_fopen(file, "r");
 486   xbt_assert((surf_file_to_parse), "Unable to open \"%s\"\n", file);
 487   surf_input_buffer = surf_parse__create_buffer(surf_file_to_parse, YY_BUF_SIZE);
 488   surf_parse__switch_to_buffer(surf_input_buffer);
 489   surf_parse_lineno = 1;
 490 }
 491
 492 void surf_parse_close(void)
 493 {
 494   xbt_dynar_free(&surf_input_buffer_stack);
 495   xbt_dynar_free(&surf_file_to_parse_stack);
 496
 497   if (surf_file_to_parse) {
 498     surf_parse__delete_buffer(surf_input_buffer);
 499     fclose(surf_file_to_parse);
 500     surf_file_to_parse = NULL; //Must be reset for Bypass
 501   }
 502 }
 503
 504 /* Call the lexer to parse the currently opened file. This pointer to function enables bypassing of the parser */
 505
 506 static int _surf_parse(void) {
 507   return surf_parse_lex();
 508 }
 509 int_f_void_t surf_parse = _surf_parse;
 510
 511
 512 /* Aux parse functions */
 513
 514 void surfxml_add_callback(xbt_dynar_t cb_list, void_f_void_t function)
 515 {
 516   xbt_dynar_push(cb_list, &function);
 517 }
 518
 519 void surfxml_del_callback(xbt_dynar_t cb_list, void_f_void_t function)
 520 {
 521   xbt_ex_t e;
 522   unsigned int it=0;
 523   void_f_void_t null_f=NULL;
 524
 525   TRY {
 526     it = xbt_dynar_search(cb_list,&function);
 527   }
 528   CATCH(e) {
 529     if (e.category == not_found_error) {
 530       xbt_ex_free(e);
 531       xbt_die("Trying to remove a callback that is not here! This should not happen");
 532     }
 533     RETHROW;
 534   }
 535
 536   xbt_dynar_replace(cb_list, it,&null_f);
 537 }
 538
 539 static XBT_INLINE void surfxml_call_cb_functions(xbt_dynar_t cb_list)
 540 {
 541   unsigned int iterator;
 542   void_f_void_t fun;
 543   xbt_dynar_foreach(cb_list, iterator, fun) {
 544     if (fun) (*fun) ();
 545   }
 546 }
 547
 548
 549 /* Prop tag functions */
 550
 551 void parse_properties(const char* prop_id, const char* prop_value)
 552 {
 553         if (!current_property_set)
 554             current_property_set = xbt_dict_new();      // Maybe, it should raise an error
 555         if(!strcmp(prop_id,"coordinates")){
 556                 if(!strcmp(prop_value,"yes") && !COORD_HOST_LEVEL)
 557                   {
 558                             XBT_INFO("Configuration change: Set '%s' to '%s'", prop_id, prop_value);
 559                                 COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
 560                                 COORD_ASR_LEVEL  = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
 561                   }
 562                 if(strcmp(A_surfxml_prop_value,"yes"))
 563                           xbt_die("Setting XML prop coordinates must be \"yes\"");
 564           }
 565         else{
 566                   xbt_dict_set(current_property_set, prop_id, xbt_strdup(prop_value), free);
 567          }
 568 }
 569
 570 /**
 571  * With XML parser
 572  */
 573 void parse_properties_XML(void)
 574 {
 575   parse_properties(A_surfxml_prop_id, A_surfxml_prop_value);
 576 }
 577
 578
 579 /* Random tag functions */
 580
 581 double get_cpu_power(const char *power)
 582 {
 583   double power_scale = 0.0;
 584   const char *p, *q;
 585   char *generator;
 586   random_data_t random = NULL;
 587   /* randomness is inserted like this: power="$rand(my_random)" */
 588   if (((p = strstr(power, "$rand(")) != NULL)
 589       && ((q = strstr(power, ")")) != NULL)) {
 590     if (p < q) {
 591       generator = xbt_malloc(q - (p + 6) + 1);
 592       memcpy(generator, p + 6, q - (p + 6));
 593       generator[q - (p + 6)] = '\0';
 594       random = xbt_dict_get_or_null(random_data_list, generator);
 595       xbt_assert(random, "Random generator %s undefined", generator);
 596       power_scale = random_generate(random);
 597     }
 598   } else {
 599     power_scale = surf_parse_get_double(power);
 600   }
 601   return power_scale;
 602 }
 603
 604 double random_min, random_max, random_mean, random_std_deviation,
 605     random_generator;
 606 char *random_id;
 607
 608 static void init_randomness(void)
 609 {
 610   random_id = A_surfxml_random_id;
 611   random_min = surf_parse_get_double(A_surfxml_random_min);
 612   random_max = surf_parse_get_double(A_surfxml_random_max);
 613   random_mean = surf_parse_get_double(A_surfxml_random_mean);
 614   random_std_deviation = surf_parse_get_double(A_surfxml_random_std_deviation);
 615   random_generator = A_surfxml_random_generator;
 616 }
 617
 618 static void add_randomness(void)
 619 {
 620   /* If needed aditional properties can be added by using the prop tag */
 621   random_data_t random =
 622       random_new(random_generator, 0, random_min, random_max, random_mean,
 623                  random_std_deviation);
 624   xbt_dict_set(random_data_list, random_id, (void *) random,
 625                &xbt_free_ref);
 626 }
 627