src/surf/surf_routing.c

   1 /* Copyright (c) 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 #ifdef HAVE_PCRE_LIB
   8 #include <pcre.h>               /* regular expression library */
   9 #endif
  10 #include "surf_routing_private.h"
  11 #include "surf/surf_routing.h"
  12
  13 xbt_lib_t host_lib;
  14 int ROUTING_HOST_LEVEL; //Routing level
  15 int     SURF_CPU_LEVEL;         //Surf cpu level
  16 int SURF_WKS_LEVEL;             //Surf workstation level
  17 int SIMIX_HOST_LEVEL;   //Simix level
  18 int     MSG_HOST_LEVEL;         //Msg level
  19 int     SD_HOST_LEVEL;          //Simdag level
  20 int     COORD_HOST_LEVEL;       //Coordinates level
  21 int NS3_HOST_LEVEL;             //host node for ns3
  22
  23 xbt_lib_t link_lib;
  24 int SD_LINK_LEVEL;              //Simdag level
  25 int SURF_LINK_LEVEL;    //Surf level
  26 int NS3_LINK_LEVEL;             //link for ns3
  27
  28 xbt_lib_t as_router_lib;
  29 int ROUTING_ASR_LEVEL;  //Routing level
  30 int COORD_ASR_LEVEL;    //Coordinates level
  31 int NS3_ASR_LEVEL;              //host node for ns3
  32
  33 static xbt_dict_t patterns = NULL;
  34 static xbt_dict_t random_value = NULL;
  35
  36 /* Global vars */
  37 routing_global_t global_routing = NULL;
  38 routing_component_t current_routing = NULL;
  39 model_type_t current_routing_model = NULL;
  40
  41 /* global parse functions */
  42 xbt_dynar_t link_list = NULL;    /* temporary store of current list link of a route */
  43 static const char *src = NULL;        /* temporary store the source name of a route */
  44 static const char *dst = NULL;        /* temporary store the destination name of a route */
  45 static char *gw_src = NULL;     /* temporary store the gateway source name of a route */
  46 static char *gw_dst = NULL;     /* temporary store the gateway destination name of a route */
  47 static double_f_cpvoid_t get_link_latency = NULL;
  48
  49 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
  50
  51 static void routing_parse_Speer(void);          /* peer bypass */
  52 static void routing_parse_Srandom(void);        /* random bypass */
  53 static void routing_parse_Erandom(void);        /* random bypass */
  54
  55 static void routing_parse_Sconfig(void);        /* config Tag */
  56 static void routing_parse_Econfig(void);        /* config Tag */
  57
  58 static char* replace_random_parameter(char * chaine);
  59 static void clean_dict_random(void);
  60
  61 /* this lines are only for replace use like index in the model table */
  62 typedef enum {
  63   SURF_MODEL_FULL = 0,
  64   SURF_MODEL_FLOYD,
  65   SURF_MODEL_DIJKSTRA,
  66   SURF_MODEL_DIJKSTRACACHE,
  67   SURF_MODEL_NONE,
  68 #ifdef HAVE_PCRE_LIB
  69   SURF_MODEL_RULEBASED
  70 #endif
  71 } e_routing_types;
  72
  73 struct s_model_type routing_models[] = { {"Full",
  74                                           "Full routing data (fast, large memory requirements, fully expressive)",
  75                                           model_full_create,
  76                                           model_full_load,
  77                                           model_full_unload,
  78                                           model_full_end},
  79 {"Floyd",
  80  "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
  81  model_floyd_create, model_floyd_load, model_floyd_unload,
  82  model_floyd_end},
  83 {"Dijkstra",
  84  "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
  85  model_dijkstra_create, model_dijkstra_both_load,
  86  model_dijkstra_both_unload, model_dijkstra_both_end},
  87 {"DijkstraCache",
  88  "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
  89  model_dijkstracache_create, model_dijkstra_both_load,
  90  model_dijkstra_both_unload, model_dijkstra_both_end},
  91 {"none", "No routing (usable with Constant network only)",
  92  model_none_create, model_none_load, model_none_unload, model_none_end},
  93 #ifdef HAVE_PCRE_LIB
  94 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
  95  model_rulebased_load, model_rulebased_unload, model_rulebased_end},
  96 {"Vivaldi", "Vivaldi routing", model_rulebased_create,
  97   model_rulebased_load, model_rulebased_unload, model_rulebased_end},
  98 #endif
  99 {NULL, NULL, NULL, NULL, NULL, NULL}
 100 };
 101
 102 static double euclidean_dist_comp(int index, xbt_dynar_t src, xbt_dynar_t dst)
 103 {
 104         double src_coord, dst_coord;
 105
 106         src_coord = atof(xbt_dynar_get_as(src, index, char *));
 107         dst_coord = atof(xbt_dynar_get_as(dst, index, char *));
 108
 109         return (src_coord-dst_coord)*(src_coord-dst_coord);
 110
 111 }
 112
 113 static double base_vivaldi_get_latency (const char *src, const char *dst)
 114 {
 115   double euclidean_dist;
 116   xbt_dynar_t src_ctn, dst_ctn;
 117   src_ctn = xbt_lib_get_or_null(host_lib, src, COORD_HOST_LEVEL);
 118   if(!src_ctn) src_ctn = xbt_lib_get_or_null(as_router_lib, src, COORD_ASR_LEVEL);
 119   dst_ctn = xbt_lib_get_or_null(host_lib, dst, COORD_HOST_LEVEL);
 120   if(!dst_ctn) dst_ctn = xbt_lib_get_or_null(as_router_lib, dst, COORD_ASR_LEVEL);
 121
 122   if(dst_ctn == NULL || src_ctn == NULL)
 123   xbt_die("Coord src '%s' :%p   dst '%s' :%p",src,src_ctn,dst,dst_ctn);
 124
 125   euclidean_dist = sqrt (euclidean_dist_comp(0,src_ctn,dst_ctn)+euclidean_dist_comp(1,src_ctn,dst_ctn))
 126                                  + fabs(atof(xbt_dynar_get_as(src_ctn, 2, char *)))+fabs(atof(xbt_dynar_get_as(dst_ctn, 2, char *)));
 127
 128   xbt_assert(euclidean_dist>=0, "Euclidean Dist is less than 0\"%s\" and \"%.2f\"", src, euclidean_dist);
 129
 130   return euclidean_dist;
 131 }
 132
 133 static double vivaldi_get_link_latency (routing_component_t rc,const char *src, const char *dst, route_extended_t e_route)
 134 {
 135   if(get_network_element_type(src) == SURF_NETWORK_ELEMENT_AS) {
 136           int need_to_clean = e_route?0:1;
 137           double latency;
 138           e_route = e_route?e_route:(*(rc->get_route)) (rc, src, dst);
 139           latency = base_vivaldi_get_latency(e_route->src_gateway,e_route->dst_gateway);
 140           if(need_to_clean) generic_free_extended_route(e_route);
 141           return latency;
 142   } else {
 143           return base_vivaldi_get_latency(src,dst);
 144   }
 145 }
 146
 147 /**
 148  * \brief Add a "host" to the network element list
 149  */
 150 static void parse_S_host(const char *host_id, const char* coord)
 151 {
 152   network_element_info_t info = NULL;
 153   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 154     current_routing->hierarchy = SURF_ROUTING_BASE;
 155   xbt_assert(!xbt_lib_get_or_null(host_lib, host_id,ROUTING_HOST_LEVEL),
 156               "Reading a host, processing unit \"%s\" already exists",
 157               host_id);
 158   xbt_assert(current_routing->set_processing_unit,
 159               "no defined method \"set_processing_unit\" in \"%s\"",
 160               current_routing->name);
 161   (*(current_routing->set_processing_unit)) (current_routing, host_id);
 162   info = xbt_new0(s_network_element_info_t, 1);
 163   info->rc_component = current_routing;
 164   info->rc_type = SURF_NETWORK_ELEMENT_HOST;
 165   xbt_lib_set(host_lib,host_id,ROUTING_HOST_LEVEL,(void *) info);
 166   if (strcmp(coord,"")) {
 167         if(!COORD_HOST_LEVEL) xbt_die("To use coordinates, you must set configuration 'coordinates' to 'yes'");
 168     xbt_dynar_t ctn = xbt_str_split_str(coord, " ");
 169     xbt_dynar_shrink(ctn, 0);
 170     xbt_lib_set(host_lib,host_id,COORD_HOST_LEVEL,(void *) ctn);
 171   }
 172 }
 173
 174 static void parse_E_host(void)
 175 {
 176          xbt_dict_cursor_t cursor = NULL;
 177           char *key;
 178           char *elem;
 179
 180           xbt_dict_foreach(current_property_set, cursor, key, elem) {
 181                   XBT_DEBUG("property : %s = %s",key,elem);
 182                 }
 183 }
 184
 185 /*
 186  * \brief Add a host to the network element list from XML
 187  */
 188 static void parse_S_host_XML(void)
 189 {
 190         parse_S_host(A_surfxml_host_id, A_surfxml_host_coordinates);
 191 }
 192 static void parse_E_host_XML(void)
 193 {
 194         parse_E_host();
 195 }
 196
 197 /*
 198  * \brief Add a host to the network element list from lua script
 199  */
 200 static void parse_S_host_lua(const char *host_id, const char *coord)
 201 {
 202   parse_S_host(host_id, coord);
 203 }
 204
 205
 206 /**
 207  * \brief Add a "router" to the network element list
 208  */
 209 static void parse_S_router(const char *router_id)
 210 {
 211   network_element_info_t info = NULL;
 212
 213   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 214     current_routing->hierarchy = SURF_ROUTING_BASE;
 215   xbt_assert(!xbt_lib_get_or_null(as_router_lib,A_surfxml_router_id, ROUTING_ASR_LEVEL),
 216               "Reading a router, processing unit \"%s\" already exists",
 217               router_id);
 218   xbt_assert(current_routing->set_processing_unit,
 219               "no defined method \"set_processing_unit\" in \"%s\"",
 220               current_routing->name);
 221   (*(current_routing->set_processing_unit)) (current_routing,
 222                                              router_id);
 223   info = xbt_new0(s_network_element_info_t, 1);
 224   info->rc_component = current_routing;
 225   info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
 226
 227   xbt_lib_set(as_router_lib,router_id,ROUTING_ASR_LEVEL,(void *) info);
 228   if (strcmp(A_surfxml_router_coordinates,"")) {
 229         if(!COORD_ASR_LEVEL) xbt_die("To use coordinates, you must set configuration 'coordinates' to 'yes'");
 230     xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_router_coordinates, " ");
 231     xbt_dynar_shrink(ctn, 0);
 232     xbt_lib_set(as_router_lib,router_id,COORD_ASR_LEVEL,(void *) ctn);
 233   }
 234 }
 235
 236 /**
 237  * brief Add a "router" to the network element list from XML description
 238  */
 239 static void parse_S_router_XML(void)
 240 {
 241         return parse_S_router(A_surfxml_router_id);
 242 }
 243
 244 /**
 245  * brief Add a "router" to the network element list from XML description
 246  */
 247 static void parse_S_router_lua(const char* router_id)
 248 {
 249         return parse_S_router(router_id);
 250 }
 251
 252 /**
 253  * \brief Set the endponints for a route
 254  */
 255 static void parse_S_route_new_and_endpoints(const char *src_id, const char *dst_id)
 256 {
 257   if (src != NULL && dst != NULL && link_list != NULL)
 258     THROWF(arg_error, 0, "Route between %s to %s can not be defined",
 259            src_id, dst_id);
 260   src = src_id;
 261   dst = dst_id;
 262   xbt_assert(strlen(src) > 0 || strlen(dst) > 0,
 263               "Some limits are null in the route between \"%s\" and \"%s\"",
 264               src, dst);
 265   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 266 }
 267
 268 /**
 269  * \brief Set the endpoints for a route from XML
 270  */
 271 static void parse_S_route_new_and_endpoints_XML(void)
 272 {
 273   parse_S_route_new_and_endpoints(A_surfxml_route_src,
 274                                   A_surfxml_route_dst);
 275 }
 276
 277 /**
 278  * \brief Set the endpoints for a route from lua
 279  */
 280 static void parse_S_route_new_and_endpoints_lua(const char *id_src, const char *id_dst)
 281 {
 282   parse_S_route_new_and_endpoints(id_src, id_dst);
 283 }
 284
 285 /**
 286  * \brief Set the endponints and gateways for a ASroute
 287  */
 288 static void parse_S_ASroute_new_and_endpoints(void)
 289 {
 290   if (src != NULL && dst != NULL && link_list != NULL)
 291     THROWF(arg_error, 0, "Route between %s to %s can not be defined",
 292            A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
 293   src = A_surfxml_ASroute_src;
 294   dst = A_surfxml_ASroute_dst;
 295   gw_src = A_surfxml_ASroute_gw_src;
 296   gw_dst = A_surfxml_ASroute_gw_dst;
 297   xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 298               || strlen(gw_dst) > 0,
 299               "Some limits are null in the route between \"%s\" and \"%s\"",
 300               src, dst);
 301   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 302 }
 303
 304 /**
 305  * \brief Set the endponints for a bypassRoute
 306  */
 307 static void parse_S_bypassRoute_new_and_endpoints(void)
 308 {
 309   if (src != NULL && dst != NULL && link_list != NULL)
 310     THROWF(arg_error, 0,
 311            "Bypass Route between %s to %s can not be defined",
 312            A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
 313   src = A_surfxml_bypassRoute_src;
 314   dst = A_surfxml_bypassRoute_dst;
 315   gw_src = A_surfxml_bypassRoute_gw_src;
 316   gw_dst = A_surfxml_bypassRoute_gw_dst;
 317   xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 318               || strlen(gw_dst) > 0,
 319               "Some limits are null in the route between \"%s\" and \"%s\"",
 320               src, dst);
 321   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 322 }
 323
 324 /**
 325  * \brief Set a new link on the actual list of link for a route or ASroute
 326  */
 327 static void parse_E_link_ctn_new_elem(const char *link_id)
 328 {
 329   char *val;
 330   val = xbt_strdup(link_id);
 331   xbt_dynar_push(link_list, &val);
 332 }
 333
 334 /**
 335  * \brief Set a new link on the actual list of link for a route or ASroute from XML
 336  */
 337
 338 static void parse_E_link_ctn_new_elem_XML(void)
 339 {
 340   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_NONE)
 341     parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
 342   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_UP) {
 343     char *link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
 344     parse_E_link_ctn_new_elem(link_id);
 345     free(link_id);
 346   }
 347   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_DOWN) {
 348     char *link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
 349     parse_E_link_ctn_new_elem(link_id);
 350     free(link_id);
 351   }
 352 }
 353
 354 /**
 355  * \brief Set a new link on the actual list of link for a route or ASroute from lua
 356  */
 357 static void parse_E_link_c_ctn_new_elem_lua(const char *link_id)
 358 {
 359   parse_E_link_ctn_new_elem(link_id);
 360 }
 361
 362 /**
 363  * \brief Store the route by calling the set_route function of the current routing component
 364  */
 365 static void parse_E_route_store_route(void)
 366 {
 367   name_route_extended_t route = xbt_new0(s_name_route_extended_t, 1);
 368   route->generic_route.link_list = link_list;
 369   xbt_assert(current_routing->set_route,
 370               "no defined method \"set_route\" in \"%s\"",
 371               current_routing->name);
 372   (*(current_routing->set_route)) (current_routing, src, dst, route);
 373   link_list = NULL;
 374   src = NULL;
 375   dst = NULL;
 376 }
 377
 378 /**
 379  * \brief Store the ASroute by calling the set_ASroute function of the current routing component
 380  */
 381 static void parse_E_ASroute_store_route(void)
 382 {
 383   name_route_extended_t e_route = xbt_new0(s_name_route_extended_t, 1);
 384   e_route->generic_route.link_list = link_list;
 385   e_route->src_gateway = xbt_strdup(gw_src);
 386   e_route->dst_gateway = xbt_strdup(gw_dst);
 387   xbt_assert(current_routing->set_ASroute,
 388               "no defined method \"set_ASroute\" in \"%s\"",
 389               current_routing->name);
 390   (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
 391   link_list = NULL;
 392   src = NULL;
 393   dst = NULL;
 394   gw_src = NULL;
 395   gw_dst = NULL;
 396 }
 397
 398 /**
 399  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 400  */
 401 static void parse_E_bypassRoute_store_route(void)
 402 {
 403   route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
 404   e_route->generic_route.link_list = link_list;
 405   e_route->src_gateway = xbt_strdup(gw_src);
 406   e_route->dst_gateway = xbt_strdup(gw_dst);
 407   xbt_assert(current_routing->set_bypassroute,
 408               "no defined method \"set_bypassroute\" in \"%s\"",
 409               current_routing->name);
 410   (*(current_routing->set_bypassroute)) (current_routing, src, dst,
 411                                          e_route);
 412   link_list = NULL;
 413   src = NULL;
 414   dst = NULL;
 415   gw_src = NULL;
 416   gw_dst = NULL;
 417 }
 418
 419 /**
 420  * \brief Make a new routing component
 421  *
 422  * make the new structure and
 423  * set the parsing functions to allows parsing the part of the routing tree
 424  */
 425 static void parse_S_AS(char *AS_id, char *AS_routing)
 426 {
 427   routing_component_t new_routing;
 428   model_type_t model = NULL;
 429   char *wanted = AS_routing;
 430   int cpt;
 431   /* seach the routing model */
 432   for (cpt = 0; routing_models[cpt].name; cpt++)
 433     if (!strcmp(wanted, routing_models[cpt].name))
 434       model = &routing_models[cpt];
 435   /* if its not exist, error */
 436   if (model == NULL) {
 437     fprintf(stderr, "Routing model %s not found. Existing models:\n",
 438             wanted);
 439     for (cpt = 0; routing_models[cpt].name; cpt++)
 440       if (!strcmp(wanted, routing_models[cpt].name))
 441         fprintf(stderr, "   %s: %s\n", routing_models[cpt].name,
 442                 routing_models[cpt].desc);
 443     xbt_die(NULL);
 444   }
 445
 446   /* make a new routing component */
 447   new_routing = (routing_component_t) (*(model->create)) ();
 448   new_routing->routing = model;
 449   new_routing->hierarchy = SURF_ROUTING_NULL;
 450   new_routing->name = xbt_strdup(AS_id);
 451   new_routing->routing_sons = xbt_dict_new();
 452
 453   /* Hack for Vivaldi */
 454   if(!strcmp(model->name,"Vivaldi"))
 455         new_routing->get_latency = vivaldi_get_link_latency;
 456
 457   if (current_routing == NULL && global_routing->root == NULL) {
 458
 459     /* it is the first one */
 460     new_routing->routing_father = NULL;
 461     global_routing->root = new_routing;
 462
 463   } else if (current_routing != NULL && global_routing->root != NULL) {
 464
 465     xbt_assert(!xbt_dict_get_or_null
 466                 (current_routing->routing_sons, AS_id),
 467                 "The AS \"%s\" already exists", AS_id);
 468     /* it is a part of the tree */
 469     new_routing->routing_father = current_routing;
 470     /* set the father behavior */
 471     if (current_routing->hierarchy == SURF_ROUTING_NULL)
 472       current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
 473     /* add to the sons dictionary */
 474     xbt_dict_set(current_routing->routing_sons, AS_id,
 475                  (void *) new_routing, NULL);
 476     /* add to the father element list */
 477     (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
 478     /* unload the prev parse rules */
 479     (*(current_routing->routing->unload)) ();
 480
 481   } else {
 482     THROWF(arg_error, 0, "All defined components must be belong to a AS");
 483   }
 484   /* set the new parse rules */
 485   (*(new_routing->routing->load)) ();
 486   /* set the new current component of the tree */
 487   current_routing = new_routing;
 488 }
 489
 490 /*
 491  * Detect the routing model type of the routing component from XML platforms
 492  */
 493 static void parse_S_AS_XML(void)
 494 {
 495   parse_S_AS(A_surfxml_AS_id, A_surfxml_AS_routing);
 496 }
 497
 498 /*
 499  * define the routing model type of routing component from lua script
 500  */
 501 static void parse_S_AS_lua(char *id, char *mode)
 502 {
 503   parse_S_AS(id, mode);
 504 }
 505
 506
 507 /**
 508  * \brief Finish the creation of a new routing component
 509  *
 510  * When you finish to read the routing component, other structures must be created.
 511  * the "end" method allow to do that for any routing model type
 512  */
 513 static void parse_E_AS(const char *AS_id)
 514 {
 515
 516   if (current_routing == NULL) {
 517     THROWF(arg_error, 0, "Close AS(%s), that never open", AS_id);
 518   } else {
 519     network_element_info_t info = NULL;
 520     xbt_assert(!xbt_lib_get_or_null(as_router_lib,current_routing->name, ROUTING_ASR_LEVEL),
 521                 "The AS \"%s\" already exists",current_routing->name);
 522     info = xbt_new0(s_network_element_info_t, 1);
 523     info->rc_component = current_routing->routing_father;
 524     info->rc_type = SURF_NETWORK_ELEMENT_AS;
 525     xbt_lib_set(as_router_lib,current_routing->name,ROUTING_ASR_LEVEL,(void *) info);
 526
 527     (*(current_routing->routing->unload)) ();
 528     (*(current_routing->routing->end)) ();
 529     current_routing = current_routing->routing_father;
 530     if (current_routing != NULL)
 531       (*(current_routing->routing->load)) ();
 532   }
 533 }
 534
 535 /*
 536  * \brief Finish the creation of a new routing component from XML
 537  */
 538 static void parse_E_AS_XML(void)
 539 {
 540   parse_E_AS(A_surfxml_AS_id);
 541 }
 542
 543 /*
 544  * \brief Finish the creation of a new routing component from lua
 545  */
 546 static void parse_E_AS_lua(const char *id)
 547 {
 548   parse_E_AS(id);
 549 }
 550
 551 /* Aux Business methods */
 552
 553 /**
 554  * \brief Get the AS name of the element
 555  *
 556  * \param name the host name
 557  *
 558  */
 559 static char* elements_As_name(const char *name)
 560 {
 561   routing_component_t as_comp;
 562
 563   /* (1) find the as where the host is located */
 564   as_comp = ((network_element_info_t)
 565             xbt_lib_get_or_null(host_lib,name, ROUTING_HOST_LEVEL))->rc_component;
 566   return as_comp->name;
 567 }
 568
 569
 570 /**
 571  * \brief Get the AS father and the first elements of the chain
 572  *
 573  * \param src the source host name
 574  * \param dst the destination host name
 575  *
 576  * Get the common father of the to processing units, and the first different
 577  * father in the chain
 578  */
 579 static void elements_father(const char *src, const char *dst,
 580                             routing_component_t *res_father,
 581                             routing_component_t *res_src,
 582                             routing_component_t *res_dst)
 583 {
 584   xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
 585 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
 586   routing_component_t src_as, dst_as;
 587   routing_component_t path_src[ELEMENTS_FATHER_MAXDEPTH];
 588   routing_component_t path_dst[ELEMENTS_FATHER_MAXDEPTH];
 589   int index_src = 0;
 590   int index_dst = 0;
 591   routing_component_t current;
 592   routing_component_t current_src;
 593   routing_component_t current_dst;
 594   routing_component_t father;
 595
 596   /* (1) find the as where the src and dst are located */
 597   network_element_info_t src_data = xbt_lib_get_or_null(host_lib, src,
 598                                                         ROUTING_HOST_LEVEL);
 599   network_element_info_t dst_data = xbt_lib_get_or_null(host_lib, dst,
 600                                                         ROUTING_HOST_LEVEL);
 601   if (!src_data)
 602     src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
 603   if (!dst_data)
 604     dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
 605   src_as = src_data->rc_component;
 606   dst_as = dst_data->rc_component;
 607
 608   xbt_assert(src_as && dst_as,
 609              "Ask for route \"from\"(%s) or \"to\"(%s) no found", src, dst);
 610
 611   /* (2) find the path to the root routing component */
 612   for (current = src_as ; current != NULL ; current = current->routing_father) {
 613     path_src[index_src++] = current;
 614     xbt_assert(index_src <= ELEMENTS_FATHER_MAXDEPTH,
 615                "ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
 616   }
 617   for (current = dst_as ; current != NULL ; current = current->routing_father) {
 618     path_dst[index_dst++] = current;
 619     xbt_assert(index_dst <= ELEMENTS_FATHER_MAXDEPTH,
 620                "ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
 621   }
 622
 623   /* (3) find the common father */
 624   do {
 625     current_src = path_src[--index_src];
 626     current_dst = path_dst[--index_dst];
 627   } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
 628
 629   /* (4) they are not in the same routing component, make the path */
 630   if (current_src == current_dst)
 631     father = current_src;
 632   else
 633     father = path_src[index_src + 1];
 634
 635   /* (5) result generation */
 636   *res_father = father;         /* first the common father of src and dst */
 637   *res_src = current_src;       /* second the first different father of src */
 638   *res_dst = current_dst;       /* three  the first different father of dst */
 639
 640 #undef ELEMENTS_FATHER_MAXDEPTH
 641 }
 642
 643 /* Global Business methods */
 644
 645 /**
 646  * \brief Recursive function for get_route_latency
 647  *
 648  * \param src the source host name
 649  * \param dst the destination host name
 650  * \param *e_route the route where the links are stored
 651  * \param *latency the latency, if needed
 652  *
 653  * This function is called by "get_route" and "get_latency". It allows to walk
 654  * recursively through the routing components tree.
 655  */
 656 static void _get_route_latency(const char *src, const char *dst,
 657                                xbt_dynar_t *route, double *latency)
 658 {
 659   XBT_DEBUG("Solve route/latency  \"%s\" to \"%s\"", src, dst);
 660   xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
 661
 662   routing_component_t common_father;
 663   routing_component_t src_father;
 664   routing_component_t dst_father;
 665   elements_father(src, dst, &common_father, &src_father, &dst_father);
 666
 667   if (src_father == dst_father) { /* SURF_ROUTING_BASE */
 668
 669     route_extended_t e_route = NULL;
 670     if (route) {
 671       e_route = common_father->get_route(common_father, src, dst);
 672       xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst);
 673       *route = e_route->generic_route.link_list;
 674     }
 675     if (latency) {
 676       *latency = common_father->get_latency(common_father, src, dst, e_route);
 677       xbt_assert(*latency >= 0.0,
 678                  "latency error on route between \"%s\" and \"%s\"", src, dst);
 679     }
 680     if (e_route) {
 681       xbt_free(e_route->src_gateway);
 682       xbt_free(e_route->dst_gateway);
 683       xbt_free(e_route);
 684     }
 685
 686   } else {                      /* SURF_ROUTING_RECURSIVE */
 687
 688     route_extended_t e_route_bypass = NULL;
 689     if (common_father->get_bypass_route)
 690       e_route_bypass = common_father->get_bypass_route(common_father, src, dst);
 691
 692     xbt_assert(!latency || !e_route_bypass,
 693                "Bypass cannot work yet with get_latency");
 694
 695     route_extended_t e_route_cnt = e_route_bypass
 696       ? e_route_bypass
 697       : common_father->get_route(common_father,
 698                                src_father->name, dst_father->name);
 699
 700     xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
 701                src_father->name, dst_father->name);
 702
 703     xbt_assert((e_route_cnt->src_gateway == NULL) ==
 704                (e_route_cnt->dst_gateway == NULL),
 705                "bad gateway for route between \"%s\" and \"%s\"", src, dst);
 706
 707     if (route) {
 708       *route = xbt_dynar_new(global_routing->size_of_link, NULL);
 709     }
 710     if (latency) {
 711       *latency = common_father->get_latency(common_father,
 712                                             src_father->name, dst_father->name,
 713                                             e_route_cnt);
 714       xbt_assert(*latency >= 0.0,
 715                  "latency error on route between \"%s\" and \"%s\"",
 716                  src_father->name, dst_father->name);
 717     }
 718
 719     void *link;
 720     unsigned int cpt;
 721
 722     if (strcmp(src, e_route_cnt->src_gateway)) {
 723       double latency_src;
 724       xbt_dynar_t route_src;
 725
 726       _get_route_latency(src, e_route_cnt->src_gateway,
 727                          (route ? &route_src : NULL),
 728                          (latency ? &latency_src : NULL));
 729       if (route) {
 730         xbt_assert(route_src, "no route between \"%s\" and \"%s\"",
 731                    src, e_route_cnt->src_gateway);
 732         xbt_dynar_foreach(route_src, cpt, link) {
 733           xbt_dynar_push(*route, &link);
 734         }
 735         xbt_dynar_free(&route_src);
 736       }
 737       if (latency) {
 738         xbt_assert(latency_src >= 0.0,
 739                    "latency error on route between \"%s\" and \"%s\"",
 740                    src, e_route_cnt->src_gateway);
 741         *latency += latency_src;
 742       }
 743     }
 744
 745     if (route) {
 746       xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 747         xbt_dynar_push(*route, &link);
 748       }
 749     }
 750
 751     if (strcmp(e_route_cnt->dst_gateway, dst)) {
 752       double latency_dst;
 753       xbt_dynar_t route_dst;
 754
 755       _get_route_latency(e_route_cnt->dst_gateway, dst,
 756                          (route ? &route_dst : NULL),
 757                          (latency ? &latency_dst : NULL));
 758       if (route) {
 759         xbt_assert(route_dst, "no route between \"%s\" and \"%s\"",
 760                    e_route_cnt->dst_gateway, dst);
 761         xbt_dynar_foreach(route_dst, cpt, link) {
 762           xbt_dynar_push(*route, &link);
 763         }
 764         xbt_dynar_free(&route_dst);
 765       }
 766       if (latency) {
 767         xbt_assert(latency_dst >= 0.0,
 768                    "latency error on route between \"%s\" and \"%s\"",
 769                    e_route_cnt->dst_gateway, dst);
 770         *latency += latency_dst;
 771       }
 772     }
 773
 774     generic_free_extended_route(e_route_cnt);
 775   }
 776 }
 777
 778 /**
 779  * \brief Generic function for get_route, get_route_no_cleanup, and get_latency
 780  */
 781 static void get_route_latency(const char *src, const char *dst,
 782                               xbt_dynar_t *route, double *latency, int cleanup)
 783 {
 784   _get_route_latency(src, dst, route, latency);
 785   xbt_assert(!route || *route, "no route between \"%s\" and \"%s\"", src, dst);
 786   xbt_assert(!latency || *latency >= 0.0,
 787              "latency error on route between \"%s\" and \"%s\"", src, dst);
 788   if (route) {
 789     xbt_dynar_free(&global_routing->last_route);
 790     global_routing->last_route = cleanup ? *route : NULL;
 791   }
 792 }
 793
 794 /**
 795  * \brief Generic method: find a route between hosts
 796  *
 797  * \param src the source host name
 798  * \param dst the destination host name
 799  *
 800  * walk through the routing components tree and find a route between hosts
 801  * by calling the differents "get_route" functions in each routing component.
 802  * No need to free the returned dynar. It will be freed at the next call.
 803  */
 804 static xbt_dynar_t get_route(const char *src, const char *dst)
 805 {
 806   xbt_dynar_t route = NULL;
 807   get_route_latency(src, dst, &route, NULL, 1);
 808   return route;
 809 }
 810
 811 /**
 812  * \brief Generic method: find a route between hosts
 813  *
 814  * \param src the source host name
 815  * \param dst the destination host name
 816  *
 817  * walk through the routing components tree and find a route between hosts
 818  * by calling the differents "get_route" functions in each routing component.
 819  * Leaves the caller the responsability to clean the returned dynar.
 820  */
 821 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
 822 {
 823   xbt_dynar_t route = NULL;
 824   get_route_latency(src, dst, &route, NULL, 0);
 825   return route;
 826 }
 827
 828 /*Get Latency*/
 829 static double get_latency(const char *src, const char *dst)
 830 {
 831   double latency = -1.0;
 832   get_route_latency(src, dst, NULL, &latency, 0);
 833   return latency;
 834 }
 835
 836 /**
 837  * \brief Recursive function for finalize
 838  *
 839  * \param rc the source host name
 840  *
 841  * This fuction is call by "finalize". It allow to finalize the
 842  * AS or routing components. It delete all the structures.
 843  */
 844 static void _finalize(routing_component_t rc)
 845 {
 846   if (rc) {
 847     xbt_dict_cursor_t cursor = NULL;
 848     char *key;
 849     routing_component_t elem;
 850     xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
 851       _finalize(elem);
 852     }
 853     xbt_dict_t tmp_sons = rc->routing_sons;
 854     char *tmp_name = rc->name;
 855     xbt_dict_free(&tmp_sons);
 856     xbt_free(tmp_name);
 857     xbt_assert(rc->finalize, "no defined method \"finalize\" in \"%s\"",
 858                 current_routing->name);
 859     (*(rc->finalize)) (rc);
 860   }
 861 }
 862
 863 /**
 864  * \brief Generic method: delete all the routing structures
 865  *
 866  * walk through the routing components tree and delete the structures
 867  * by calling the differents "finalize" functions in each routing component
 868  */
 869 static void finalize(void)
 870 {
 871   /* delete recursibly all the tree */
 872   _finalize(global_routing->root);
 873   /* delete last_route */
 874   xbt_dynar_free(&(global_routing->last_route));
 875   /* delete global routing structure */
 876   xbt_free(global_routing);
 877 }
 878
 879 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
 880 {
 881   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
 882
 883   //adding my one link routes
 884   unsigned int cpt;
 885   void *link;
 886   xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
 887   if (onelink_mine) {
 888     xbt_dynar_foreach(onelink_mine, cpt, link) {
 889       xbt_dynar_push(ret, &link);
 890     }
 891   }
 892   //recursing
 893   char *key;
 894   xbt_dict_cursor_t cursor = NULL;
 895   routing_component_t rc_child;
 896   xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
 897     xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
 898     if (onelink_child) {
 899       xbt_dynar_foreach(onelink_child, cpt, link) {
 900         xbt_dynar_push(ret, &link);
 901       }
 902     }
 903   }
 904   return ret;
 905 }
 906
 907 static xbt_dynar_t get_onelink_routes(void)
 908 {
 909   return recursive_get_onelink_routes(global_routing->root);
 910 }
 911
 912 e_surf_network_element_type_t get_network_element_type(const char
 913                                                               *name)
 914 {
 915   network_element_info_t rc = NULL;
 916
 917   rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
 918   if(rc) return rc->rc_type;
 919
 920   rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
 921   if(rc) return rc->rc_type;
 922
 923   return SURF_NETWORK_ELEMENT_NULL;
 924 }
 925
 926 /**
 927  * \brief Generic method: create the global routing schema
 928  *
 929  * Make a global routing structure and set all the parsing functions.
 930  */
 931 void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_t get_link_latency_fun)
 932 {
 933   /* config the uniq global routing */
 934   global_routing = xbt_new0(s_routing_global_t, 1);
 935   global_routing->root = NULL;
 936   global_routing->get_route = get_route;
 937   global_routing->get_latency = get_latency;
 938   global_routing->get_route_no_cleanup = get_route_no_cleanup;
 939   global_routing->get_onelink_routes = get_onelink_routes;
 940   global_routing->get_network_element_type = get_network_element_type;
 941   global_routing->finalize = finalize;
 942   global_routing->loopback = loopback;
 943   global_routing->size_of_link = size_of_links;
 944   global_routing->last_route = NULL;
 945   get_link_latency = get_link_latency_fun;
 946   /* no current routing at moment */
 947   current_routing = NULL;
 948
 949   /* parse generic elements */
 950   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
 951   surfxml_add_callback(ETag_surfxml_host_cb_list, &parse_E_host_XML);
 952   surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router_XML);
 953
 954   surfxml_add_callback(STag_surfxml_route_cb_list,
 955                        &parse_S_route_new_and_endpoints_XML);
 956   surfxml_add_callback(STag_surfxml_ASroute_cb_list,
 957                        &parse_S_ASroute_new_and_endpoints);
 958   surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
 959                        &parse_S_bypassRoute_new_and_endpoints);
 960
 961   surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
 962                        &parse_E_link_ctn_new_elem_XML);
 963
 964   surfxml_add_callback(ETag_surfxml_route_cb_list,
 965                        &parse_E_route_store_route);
 966   surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
 967                        &parse_E_ASroute_store_route);
 968   surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
 969                        &parse_E_bypassRoute_store_route);
 970
 971   surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
 972   surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
 973
 974   surfxml_add_callback(STag_surfxml_cluster_cb_list,
 975                        &routing_parse_Scluster);
 976
 977   surfxml_add_callback(STag_surfxml_peer_cb_list,
 978                          &routing_parse_Speer);
 979
 980   surfxml_add_callback(ETag_surfxml_platform_cb_list,
 981                                                   &clean_dict_random);
 982
 983 #ifdef HAVE_TRACING
 984   instr_routing_define_callbacks();
 985 #endif
 986 }
 987
 988 void surf_parse_add_callback_config(void)
 989 {
 990         surfxml_add_callback(STag_surfxml_config_cb_list, &routing_parse_Sconfig);
 991         surfxml_add_callback(ETag_surfxml_config_cb_list, &routing_parse_Econfig);
 992         surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties_XML);
 993         surfxml_add_callback(STag_surfxml_AS_cb_list, &surf_parse_models_setup);
 994         surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
 995 }
 996
 997 void surf_parse_models_setup()
 998 {
 999         routing_parse_Erandom();
1000         surfxml_del_callback(STag_surfxml_AS_cb_list, surf_parse_models_setup);
1001         surf_config_models_setup(platform_filename);
1002         free(platform_filename);
1003 }
1004
1005 /* ************************************************** */
1006 /* ********** PATERN FOR NEW ROUTING **************** */
1007
1008 /* The minimal configuration of a new routing model need the next functions,
1009  * also you need to set at the start of the file, the new model in the model
1010  * list. Remember keep the null ending of the list.
1011  */
1012 /*** Routing model structure ***/
1013 // typedef struct {
1014 //   s_routing_component_t generic_routing;
1015 //   /* things that your routing model need */
1016 // } s_routing_component_NEW_t,*routing_component_NEW_t;
1017
1018 /*** Parse routing model functions ***/
1019 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
1020 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
1021 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
1022 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
1023 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
1024
1025 /*** Business methods ***/
1026 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1027 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1028 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
1029
1030 /*** Creation routing model functions ***/
1031 // static void* model_NEW_create(void) {
1032 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
1033 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
1034 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
1035 //   new_component->generic_routing.set_route = model_NEW_set_route;
1036 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
1037 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
1038 //   new_component->generic_routing.get_route = NEW_get_route;
1039 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
1040 //   new_component->generic_routing.finalize = NEW_finalize;
1041 //   /* initialization of internal structures */
1042 //   return new_component;
1043 // } /* mandatory */
1044 // static void  model_NEW_load(void) {}   /* mandatory */
1045 // static void  model_NEW_unload(void) {} /* mandatory */
1046 // static void  model_NEW_end(void) {}    /* mandatory */
1047
1048 /* ************************************************************************** */
1049 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
1050
1051 void generic_set_processing_unit(routing_component_t rc,
1052                                         const char *name)
1053 {
1054   XBT_DEBUG("Load process unit \"%s\"", name);
1055   int *id = xbt_new0(int, 1);
1056   xbt_dict_t _to_index;
1057   _to_index = current_routing->to_index;
1058   *id = xbt_dict_length(_to_index);
1059   xbt_dict_set(_to_index, name, id, xbt_free);
1060 }
1061
1062 void generic_set_autonomous_system(routing_component_t rc,
1063                                           const char *name)
1064 {
1065   XBT_DEBUG("Load Autonomous system \"%s\"", name);
1066   int *id = xbt_new0(int, 1);
1067   xbt_dict_t _to_index;
1068   _to_index = current_routing->to_index;
1069   *id = xbt_dict_length(_to_index);
1070   xbt_dict_set(_to_index, name, id, xbt_free);
1071 }
1072
1073 int surf_pointer_resource_cmp(const void *a, const void *b)
1074 {
1075   return a != b;
1076 }
1077
1078 int surf_link_resource_cmp(const void *a, const void *b)
1079 {
1080   return !!memcmp(a,b,global_routing->size_of_link);
1081 }
1082
1083 void generic_set_bypassroute(routing_component_t rc,
1084                                     const char *src, const char *dst,
1085                                     route_extended_t e_route)
1086 {
1087   XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
1088   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
1089   char *route_name;
1090
1091   route_name = bprintf("%s#%s", src, dst);
1092   xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
1093               "Invalid count of links, must be greater than zero (%s,%s)",
1094               src, dst);
1095   xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
1096               "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
1097               src, e_route->src_gateway, dst, e_route->dst_gateway);
1098
1099   route_extended_t new_e_route =
1100       generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
1101   xbt_dynar_free(&(e_route->generic_route.link_list));
1102   xbt_free(e_route);
1103
1104   xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
1105                (void (*)(void *)) generic_free_extended_route);
1106   xbt_free(route_name);
1107 }
1108
1109 /* ************************************************************************** */
1110 /* *********************** GENERIC BUSINESS METHODS ************************* */
1111
1112 double generic_get_link_latency(routing_component_t rc,
1113                                        const char *src, const char *dst,
1114                                        route_extended_t route)
1115 {
1116         int need_to_clean = route?0:1;
1117         void * link;
1118         unsigned int i;
1119         double latency = 0.0;
1120
1121         route = route?route:rc->get_route(rc,src,dst);
1122
1123         xbt_dynar_foreach(route->generic_route.link_list,i,link) {
1124                 latency += get_link_latency(link);
1125         }
1126         if(need_to_clean) generic_free_extended_route(route);
1127   return latency;
1128 }
1129
1130 xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
1131 {
1132   xbt_die("\"generic_get_onelink_routes\" not implemented yet");
1133 }
1134
1135 route_extended_t generic_get_bypassroute(routing_component_t rc,
1136                                                 const char *src,
1137                                                 const char *dst)
1138 {
1139   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
1140   routing_component_t src_as, dst_as;
1141   int index_src, index_dst;
1142   xbt_dynar_t path_src = NULL;
1143   xbt_dynar_t path_dst = NULL;
1144   routing_component_t current = NULL;
1145   routing_component_t *current_src = NULL;
1146   routing_component_t *current_dst = NULL;
1147
1148   /* (1) find the as where the src and dst are located */
1149   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1150   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1151   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1152   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1153
1154   if(src_data == NULL || dst_data == NULL)
1155           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1156                      src, dst, rc->name);
1157
1158   src_as = ((network_element_info_t)src_data)->rc_component;
1159   dst_as = ((network_element_info_t)dst_data)->rc_component;
1160
1161   /* (2) find the path to the root routing component */
1162   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
1163   current = src_as;
1164   while (current != NULL) {
1165     xbt_dynar_push(path_src, &current);
1166     current = current->routing_father;
1167   }
1168   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
1169   current = dst_as;
1170   while (current != NULL) {
1171     xbt_dynar_push(path_dst, &current);
1172     current = current->routing_father;
1173   }
1174
1175   /* (3) find the common father */
1176   index_src = path_src->used - 1;
1177   index_dst = path_dst->used - 1;
1178   current_src = xbt_dynar_get_ptr(path_src, index_src);
1179   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1180   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
1181     routing_component_t *tmp_src, *tmp_dst;
1182     tmp_src = xbt_dynar_pop_ptr(path_src);
1183     tmp_dst = xbt_dynar_pop_ptr(path_dst);
1184     index_src--;
1185     index_dst--;
1186     current_src = xbt_dynar_get_ptr(path_src, index_src);
1187     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1188   }
1189
1190   int max_index_src = path_src->used - 1;
1191   int max_index_dst = path_dst->used - 1;
1192
1193   int max_index = max(max_index_src, max_index_dst);
1194   int i, max;
1195
1196   route_extended_t e_route_bypass = NULL;
1197
1198   for (max = 0; max <= max_index; max++) {
1199     for (i = 0; i < max; i++) {
1200       if (i <= max_index_src && max <= max_index_dst) {
1201         char *route_name = bprintf("%s#%s",
1202                                    (*(routing_component_t *)
1203                                     (xbt_dynar_get_ptr
1204                                      (path_src, i)))->name,
1205                                    (*(routing_component_t *)
1206                                     (xbt_dynar_get_ptr
1207                                      (path_dst, max)))->name);
1208         e_route_bypass =
1209             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1210         xbt_free(route_name);
1211       }
1212       if (e_route_bypass)
1213         break;
1214       if (max <= max_index_src && i <= max_index_dst) {
1215         char *route_name = bprintf("%s#%s",
1216                                    (*(routing_component_t *)
1217                                     (xbt_dynar_get_ptr
1218                                      (path_src, max)))->name,
1219                                    (*(routing_component_t *)
1220                                     (xbt_dynar_get_ptr
1221                                      (path_dst, i)))->name);
1222         e_route_bypass =
1223             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1224         xbt_free(route_name);
1225       }
1226       if (e_route_bypass)
1227         break;
1228     }
1229
1230     if (e_route_bypass)
1231       break;
1232
1233     if (max <= max_index_src && max <= max_index_dst) {
1234       char *route_name = bprintf("%s#%s",
1235                                  (*(routing_component_t *)
1236                                   (xbt_dynar_get_ptr
1237                                    (path_src, max)))->name,
1238                                  (*(routing_component_t *)
1239                                   (xbt_dynar_get_ptr
1240                                    (path_dst, max)))->name);
1241       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1242       xbt_free(route_name);
1243     }
1244     if (e_route_bypass)
1245       break;
1246   }
1247
1248   xbt_dynar_free(&path_src);
1249   xbt_dynar_free(&path_dst);
1250
1251   route_extended_t new_e_route = NULL;
1252
1253   if (e_route_bypass) {
1254     void *link;
1255     unsigned int cpt = 0;
1256     new_e_route = xbt_new0(s_route_extended_t, 1);
1257     new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
1258     new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
1259     new_e_route->generic_route.link_list =
1260         xbt_dynar_new(global_routing->size_of_link, NULL);
1261     xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
1262       xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1263     }
1264   }
1265
1266   return new_e_route;
1267 }
1268
1269 /* ************************************************************************** */
1270 /* ************************* GENERIC AUX FUNCTIONS ************************** */
1271
1272 route_t
1273 generic_new_route(e_surf_routing_hierarchy_t hierarchy,
1274                            void *data, int order)
1275 {
1276
1277   char *link_name;
1278   route_t new_route;
1279   unsigned int cpt;
1280   xbt_dynar_t links = NULL, links_id = NULL;
1281
1282   new_route = xbt_new0(s_route_t, 1);
1283   new_route->link_list =
1284       xbt_dynar_new(global_routing->size_of_link, NULL);
1285
1286   xbt_assert(hierarchy == SURF_ROUTING_BASE,
1287               "the hierarchy type is not SURF_ROUTING_BASE");
1288
1289   links = ((route_t) data)->link_list;
1290
1291
1292   links_id = new_route->link_list;
1293
1294   xbt_dynar_foreach(links, cpt, link_name) {
1295
1296     void *link =
1297                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1298     if (link) {
1299       if (order)
1300         xbt_dynar_push(links_id, &link);
1301       else
1302         xbt_dynar_unshift(links_id, &link);
1303     } else
1304       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1305   }
1306
1307   return new_route;
1308 }
1309
1310 route_extended_t
1311 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
1312                            void *data, int order)
1313 {
1314
1315   char *link_name;
1316   route_extended_t e_route, new_e_route;
1317   route_t route;
1318   unsigned int cpt;
1319   xbt_dynar_t links = NULL, links_id = NULL;
1320
1321   new_e_route = xbt_new0(s_route_extended_t, 1);
1322   new_e_route->generic_route.link_list =
1323       xbt_dynar_new(global_routing->size_of_link, NULL);
1324   new_e_route->src_gateway = NULL;
1325   new_e_route->dst_gateway = NULL;
1326
1327   xbt_assert(hierarchy == SURF_ROUTING_BASE
1328               || hierarchy == SURF_ROUTING_RECURSIVE,
1329               "the hierarchy type is not defined");
1330
1331   if (hierarchy == SURF_ROUTING_BASE) {
1332
1333     route = (route_t) data;
1334     links = route->link_list;
1335
1336   } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
1337
1338     e_route = (route_extended_t) data;
1339     xbt_assert(e_route->src_gateway
1340                 && e_route->dst_gateway, "bad gateway, is null");
1341     links = e_route->generic_route.link_list;
1342
1343     /* remeber not erase the gateway names */
1344     new_e_route->src_gateway = strdup(e_route->src_gateway);
1345     new_e_route->dst_gateway = strdup(e_route->dst_gateway);
1346   }
1347
1348   links_id = new_e_route->generic_route.link_list;
1349
1350   xbt_dynar_foreach(links, cpt, link_name) {
1351
1352     void *link =
1353                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1354     if (link) {
1355       if (order)
1356         xbt_dynar_push(links_id, &link);
1357       else
1358         xbt_dynar_unshift(links_id, &link);
1359     } else
1360       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1361   }
1362
1363   return new_e_route;
1364 }
1365
1366 void generic_free_route(route_t route)
1367 {
1368   if (route) {
1369     xbt_dynar_free(&(route->link_list));
1370     xbt_free(route);
1371   }
1372 }
1373
1374 void generic_free_extended_route(route_extended_t e_route)
1375 {
1376   if (e_route) {
1377     xbt_dynar_free(&(e_route->generic_route.link_list));
1378     if (e_route->src_gateway)
1379       xbt_free(e_route->src_gateway);
1380     if (e_route->dst_gateway)
1381       xbt_free(e_route->dst_gateway);
1382     xbt_free(e_route);
1383   }
1384 }
1385
1386 static routing_component_t generic_as_exist(routing_component_t find_from,
1387                                             routing_component_t to_find)
1388 {
1389   //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1390   xbt_dict_cursor_t cursor = NULL;
1391   char *key;
1392   int found = 0;
1393   routing_component_t elem;
1394   xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
1395     if (to_find == elem || generic_as_exist(elem, to_find)) {
1396       found = 1;
1397       break;
1398     }
1399   }
1400   if (found)
1401     return to_find;
1402   return NULL;
1403 }
1404
1405 routing_component_t
1406 generic_autonomous_system_exist(routing_component_t rc, char *element)
1407 {
1408   //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1409   routing_component_t element_as, result, elem;
1410   xbt_dict_cursor_t cursor = NULL;
1411   char *key;
1412   element_as = ((network_element_info_t)
1413                 xbt_lib_get_or_null(as_router_lib, element, ROUTING_ASR_LEVEL))->rc_component;
1414   result = ((routing_component_t) - 1);
1415   if (element_as != rc)
1416     result = generic_as_exist(rc, element_as);
1417
1418   int found = 0;
1419   if (result) {
1420     xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
1421       found = !strcmp(elem->name, element);
1422       if (found)
1423         break;
1424     }
1425     if (found)
1426       return element_as;
1427   }
1428   return NULL;
1429 }
1430
1431 routing_component_t
1432 generic_processing_units_exist(routing_component_t rc, char *element)
1433 {
1434   routing_component_t element_as;
1435   element_as = ((network_element_info_t)
1436                 xbt_lib_get_or_null(host_lib,
1437                  element, ROUTING_HOST_LEVEL))->rc_component;
1438   if (element_as == rc)
1439     return element_as;
1440   return generic_as_exist(rc, element_as);
1441 }
1442
1443 void generic_src_dst_check(routing_component_t rc, const char *src,
1444                                   const char *dst)
1445 {
1446
1447   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1448   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1449   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1450   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1451
1452   if(src_data == NULL || dst_data == NULL)
1453           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1454                      src, dst, rc->name);
1455
1456   routing_component_t src_as = ((network_element_info_t)src_data)->rc_component;
1457   routing_component_t dst_as = ((network_element_info_t)dst_data)->rc_component;
1458
1459   if(src_as != dst_as)
1460           xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
1461               src, src_as->name, dst, dst_as->name);
1462   if(rc != dst_as)
1463          xbt_die("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
1464      src,dst,src_as->name, dst_as->name,rc->name);
1465 }
1466
1467 static void routing_parse_Sconfig(void)
1468 {
1469   XBT_DEBUG("START configuration name = %s",A_surfxml_config_id);
1470 }
1471
1472 static void routing_parse_Econfig(void)
1473 {
1474   xbt_dict_cursor_t cursor = NULL;
1475   char *key;
1476   char *elem;
1477   char *cfg;
1478   xbt_dict_foreach(current_property_set, cursor, key, elem) {
1479           cfg = bprintf("%s:%s",key,elem);
1480           if(xbt_cfg_is_default_value(_surf_cfg_set, key))
1481                   xbt_cfg_set_parse(_surf_cfg_set, cfg);
1482           else
1483                   XBT_INFO("The custom configuration '%s' is already define by user!",key);
1484           free(cfg);
1485   }
1486   XBT_DEBUG("End configuration name = %s",A_surfxml_config_id);
1487 }
1488
1489 void routing_parse_Scluster(void)
1490 {
1491   static int AX_ptr = 0;
1492
1493   char *cluster_id = A_surfxml_cluster_id;
1494   char *cluster_prefix = A_surfxml_cluster_prefix;
1495   char *cluster_suffix = A_surfxml_cluster_suffix;
1496   char *cluster_radical = A_surfxml_cluster_radical;
1497   char *cluster_power = A_surfxml_cluster_power;
1498   char *cluster_core = A_surfxml_cluster_core;
1499   char *cluster_bw = A_surfxml_cluster_bw;
1500   char *cluster_lat = A_surfxml_cluster_lat;
1501   char *temp_cluster_bw = NULL;
1502   char *temp_cluster_lat = NULL;
1503   char *temp_cluster_power = NULL;
1504   char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
1505   char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
1506   char *cluster_availability_file = A_surfxml_cluster_availability_file;
1507   char *cluster_state_file = A_surfxml_cluster_state_file;
1508   char *host_id, *groups, *link_id = NULL;
1509   char *router_id, *link_backbone;
1510   char *availability_file = xbt_strdup(cluster_availability_file);
1511   char *state_file = xbt_strdup(cluster_state_file);
1512
1513   if(xbt_dict_size(patterns)==0)
1514           patterns = xbt_dict_new();
1515
1516   xbt_dict_set(patterns,"id",cluster_id,NULL);
1517   xbt_dict_set(patterns,"prefix",cluster_prefix,NULL);
1518   xbt_dict_set(patterns,"suffix",cluster_suffix,NULL);
1519
1520 #ifdef HAVE_PCRE_LIB
1521   char *route_src_dst;
1522 #endif
1523   unsigned int iter;
1524   int start, end, i;
1525   xbt_dynar_t radical_elements;
1526   xbt_dynar_t radical_ends;
1527   int cluster_sharing_policy = AX_surfxml_cluster_sharing_policy;
1528   int cluster_bb_sharing_policy = AX_surfxml_cluster_bb_sharing_policy;
1529
1530 #ifndef HAVE_PCRE_LIB
1531   xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
1532   char *route_src, *route_dst;
1533   int j;
1534 #endif
1535
1536   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1537   static unsigned int surfxml_buffer_stack_stack[1024];
1538
1539   surfxml_buffer_stack_stack[0] = 0;
1540
1541   surfxml_bufferstack_push(1);
1542
1543   SURFXML_BUFFER_SET(AS_id, cluster_id);
1544 #ifdef HAVE_PCRE_LIB
1545   SURFXML_BUFFER_SET(AS_routing, "RuleBased");
1546   XBT_DEBUG("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
1547 #else
1548   SURFXML_BUFFER_SET(AS_routing, "Full");
1549   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
1550 #endif
1551   SURFXML_START_TAG(AS);
1552
1553   radical_elements = xbt_str_split(cluster_radical, ",");
1554   xbt_dynar_foreach(radical_elements, iter, groups) {
1555     radical_ends = xbt_str_split(groups, "-");
1556     switch (xbt_dynar_length(radical_ends)) {
1557     case 1:
1558       surf_parse_get_int(&start,
1559                          xbt_dynar_get_as(radical_ends, 0, char *));
1560       host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
1561 #ifndef HAVE_PCRE_LIB
1562       xbt_dynar_push_as(tab_elements_num, int, start);
1563 #endif
1564       link_id = bprintf("%s_link_%d", cluster_id, start);
1565
1566       xbt_dict_set(patterns, "radical", bprintf("%d", start), xbt_free);
1567       temp_cluster_power = xbt_strdup(cluster_power);
1568       temp_cluster_power = replace_random_parameter(temp_cluster_power);
1569       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
1570       A_surfxml_host_state = A_surfxml_host_state_ON;
1571       SURFXML_BUFFER_SET(host_id, host_id);
1572       SURFXML_BUFFER_SET(host_power, temp_cluster_power);
1573       SURFXML_BUFFER_SET(host_core, cluster_core);
1574       SURFXML_BUFFER_SET(host_availability, "1.0");
1575       SURFXML_BUFFER_SET(host_coordinates, "");
1576       xbt_free(availability_file);
1577       availability_file = xbt_strdup(cluster_availability_file);
1578       xbt_free(state_file);
1579       state_file = xbt_strdup(cluster_state_file);
1580       XBT_DEBUG("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
1581       XBT_DEBUG("\tstate_file=\"%s\"",xbt_str_varsubst(state_file,patterns));
1582       SURFXML_BUFFER_SET(host_availability_file, xbt_str_varsubst(availability_file,patterns));
1583       SURFXML_BUFFER_SET(host_state_file, xbt_str_varsubst(state_file,patterns));
1584       XBT_DEBUG("</host>");
1585       SURFXML_START_TAG(host);
1586       SURFXML_END_TAG(host);
1587
1588
1589       temp_cluster_bw = xbt_strdup(cluster_bw);
1590       temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1591       temp_cluster_lat = xbt_strdup(cluster_lat);
1592       temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1593       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
1594       A_surfxml_link_state = A_surfxml_link_state_ON;
1595       A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1596       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1597           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1598       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1599           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1600       SURFXML_BUFFER_SET(link_id, link_id);
1601       SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1602       SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1603       SURFXML_BUFFER_SET(link_bandwidth_file, "");
1604       SURFXML_BUFFER_SET(link_latency_file, "");
1605       SURFXML_BUFFER_SET(link_state_file, "");
1606       SURFXML_START_TAG(link);
1607       SURFXML_END_TAG(link);
1608
1609       xbt_free(temp_cluster_bw);
1610       xbt_free(temp_cluster_lat);
1611       xbt_free(temp_cluster_power);
1612       free(link_id);
1613       free(host_id);
1614       break;
1615
1616     case 2:
1617
1618       surf_parse_get_int(&start,
1619                          xbt_dynar_get_as(radical_ends, 0, char *));
1620       surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
1621       for (i = start; i <= end; i++) {
1622         host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
1623 #ifndef HAVE_PCRE_LIB
1624         xbt_dynar_push_as(tab_elements_num, int, i);
1625 #endif
1626         link_id = bprintf("%s_link_%d", cluster_id, i);
1627
1628         xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
1629         temp_cluster_power = xbt_strdup(cluster_power);
1630         temp_cluster_power = replace_random_parameter(temp_cluster_power);
1631         XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
1632         A_surfxml_host_state = A_surfxml_host_state_ON;
1633         SURFXML_BUFFER_SET(host_id, host_id);
1634         SURFXML_BUFFER_SET(host_power, temp_cluster_power);
1635         SURFXML_BUFFER_SET(host_core, cluster_core);
1636         SURFXML_BUFFER_SET(host_availability, "1.0");
1637         SURFXML_BUFFER_SET(host_coordinates, "");
1638         xbt_free(availability_file);
1639         availability_file = xbt_strdup(cluster_availability_file);
1640         xbt_free(state_file);
1641         state_file = xbt_strdup(cluster_state_file);
1642         XBT_DEBUG("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
1643         XBT_DEBUG("\tstate_file=\"%s\"",xbt_str_varsubst(state_file,patterns));
1644         SURFXML_BUFFER_SET(host_availability_file, xbt_str_varsubst(availability_file,patterns));
1645         SURFXML_BUFFER_SET(host_state_file, xbt_str_varsubst(state_file,patterns));
1646         XBT_DEBUG("</host>");
1647         SURFXML_START_TAG(host);
1648         SURFXML_END_TAG(host);
1649
1650         xbt_free(temp_cluster_power);
1651
1652         temp_cluster_bw = xbt_strdup(cluster_bw);
1653         temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1654         temp_cluster_lat = xbt_strdup(cluster_lat);
1655         temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1656         XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
1657         A_surfxml_link_state = A_surfxml_link_state_ON;
1658         A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1659         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1660             {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1661         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1662             {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1663         SURFXML_BUFFER_SET(link_id, link_id);
1664         SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1665         SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1666         SURFXML_BUFFER_SET(link_bandwidth_file, "");
1667         SURFXML_BUFFER_SET(link_latency_file, "");
1668         SURFXML_BUFFER_SET(link_state_file, "");
1669         SURFXML_START_TAG(link);
1670         SURFXML_END_TAG(link);
1671
1672         xbt_free(temp_cluster_bw);
1673         xbt_free(temp_cluster_lat);
1674         free(link_id);
1675         free(host_id);
1676       }
1677       break;
1678
1679     default:
1680       XBT_DEBUG("Malformed radical");
1681     }
1682
1683     xbt_dynar_free(&radical_ends);
1684   }
1685   xbt_dynar_free(&radical_elements);
1686
1687   XBT_DEBUG(" ");
1688   router_id =
1689       bprintf("%s%s_router%s", cluster_prefix, cluster_id,
1690               cluster_suffix);
1691   //link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
1692   link_backbone = bprintf("%s_backbone", cluster_id);
1693
1694   XBT_DEBUG("<router id=\"%s\"/>", router_id);
1695   SURFXML_BUFFER_SET(router_id, router_id);
1696   SURFXML_BUFFER_SET(router_coordinates, "");
1697   SURFXML_START_TAG(router);
1698   SURFXML_END_TAG(router);
1699
1700   //TODO
1701 //  xbt_dict_set(patterns, "radical", xbt_strdup("_router"), xbt_free);
1702 //  temp_cluster_bw = xbt_strdup(cluster_bw);
1703 //  temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1704 //  temp_cluster_lat = xbt_strdup(cluster_lat);
1705 //  temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1706 //  XBT_DEBUG("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,temp_cluster_bw, temp_cluster_lat);
1707 //  A_surfxml_link_state = A_surfxml_link_state_ON;
1708 //  A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1709 //  if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1710 //  {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1711 //  if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1712 //  {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1713 //  SURFXML_BUFFER_SET(link_id, link_router);
1714 //  SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1715 //  SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1716 //  SURFXML_BUFFER_SET(link_bandwidth_file, "");
1717 //  SURFXML_BUFFER_SET(link_latency_file, "");
1718 //  SURFXML_BUFFER_SET(link_state_file, "");
1719 //  SURFXML_START_TAG(link);
1720 //  SURFXML_END_TAG(link);
1721
1722 //  xbt_free(temp_cluster_bw);
1723 //  xbt_free(temp_cluster_lat);
1724
1725   XBT_DEBUG("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bb_bw, cluster_bb_lat);
1726   A_surfxml_link_state = A_surfxml_link_state_ON;
1727   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1728   if(cluster_bb_sharing_policy == A_surfxml_cluster_bb_sharing_policy_FATPIPE)
1729   {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1730   SURFXML_BUFFER_SET(link_id, link_backbone);
1731   SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
1732   SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
1733   SURFXML_BUFFER_SET(link_bandwidth_file, "");
1734   SURFXML_BUFFER_SET(link_latency_file, "");
1735   SURFXML_BUFFER_SET(link_state_file, "");
1736   SURFXML_START_TAG(link);
1737   SURFXML_END_TAG(link);
1738
1739   XBT_DEBUG(" ");
1740
1741 #ifdef HAVE_PCRE_LIB
1742   char *new_suffix = xbt_strdup("");
1743
1744   radical_elements = xbt_str_split(cluster_suffix, ".");
1745   xbt_dynar_foreach(radical_elements, iter, groups) {
1746     if (strcmp(groups, "")) {
1747       char *old_suffix = new_suffix;
1748       new_suffix = bprintf("%s\\.%s", old_suffix, groups);
1749       free(old_suffix);
1750     }
1751   }
1752   route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
1753   xbt_dynar_free(&radical_elements);
1754   free(new_suffix);
1755
1756   char *pcre_link_src = bprintf("%s_link_$1src", cluster_id);
1757   char *pcre_link_backbone = bprintf("%s_backbone", cluster_id);
1758   char *pcre_link_dst = bprintf("%s_link_$1dst", cluster_id);
1759
1760   //from router to router
1761   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, router_id);
1762   XBT_DEBUG("symmetrical=\"NO\">");
1763   SURFXML_BUFFER_SET(route_src, router_id);
1764   SURFXML_BUFFER_SET(route_dst, router_id);
1765   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1766   SURFXML_START_TAG(route);
1767
1768   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1769   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1770   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1771   SURFXML_START_TAG(link_ctn);
1772   SURFXML_END_TAG(link_ctn);
1773
1774   XBT_DEBUG("</route>");
1775   SURFXML_END_TAG(route);
1776
1777   //from host to router
1778   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, router_id);
1779   XBT_DEBUG("symmetrical=\"NO\">");
1780   SURFXML_BUFFER_SET(route_src, route_src_dst);
1781   SURFXML_BUFFER_SET(route_dst, router_id);
1782   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1783   SURFXML_START_TAG(route);
1784
1785   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_src);
1786   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_src);
1787   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1788   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1789   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1790   SURFXML_START_TAG(link_ctn);
1791   SURFXML_END_TAG(link_ctn);
1792
1793   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1794   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1795   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1796   SURFXML_START_TAG(link_ctn);
1797   SURFXML_END_TAG(link_ctn);
1798
1799   XBT_DEBUG("</route>");
1800   SURFXML_END_TAG(route);
1801
1802   //from router to host
1803   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, route_src_dst);
1804   XBT_DEBUG("symmetrical=\"NO\">");
1805   SURFXML_BUFFER_SET(route_src, router_id);
1806   SURFXML_BUFFER_SET(route_dst, route_src_dst);
1807   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1808   SURFXML_START_TAG(route);
1809
1810   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1811   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1812   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1813   SURFXML_START_TAG(link_ctn);
1814   SURFXML_END_TAG(link_ctn);
1815
1816   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_dst);
1817   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_dst);
1818   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1819   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1820   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1821   SURFXML_START_TAG(link_ctn);
1822   SURFXML_END_TAG(link_ctn);
1823
1824   XBT_DEBUG("</route>");
1825   SURFXML_END_TAG(route);
1826
1827   //from host to host
1828   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, route_src_dst);
1829   XBT_DEBUG("symmetrical=\"NO\">");
1830   SURFXML_BUFFER_SET(route_src, route_src_dst);
1831   SURFXML_BUFFER_SET(route_dst, route_src_dst);
1832   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1833   SURFXML_START_TAG(route);
1834
1835   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_src);
1836   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_src);
1837   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1838   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1839   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1840   SURFXML_START_TAG(link_ctn);
1841   SURFXML_END_TAG(link_ctn);
1842
1843   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1844   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1845   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1846   SURFXML_START_TAG(link_ctn);
1847   SURFXML_END_TAG(link_ctn);
1848
1849   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_dst);
1850   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_dst);
1851   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1852   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1853   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
1854   SURFXML_START_TAG(link_ctn);
1855   SURFXML_END_TAG(link_ctn);
1856
1857   XBT_DEBUG("</route>");
1858   SURFXML_END_TAG(route);
1859
1860   free(pcre_link_dst);
1861   free(pcre_link_backbone);
1862   free(pcre_link_src);
1863   free(route_src_dst);
1864 #else
1865   for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
1866     for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
1867       if (i == xbt_dynar_length(tab_elements_num)) {
1868         route_src = router_id;
1869       } else {
1870         route_src =
1871             bprintf("%s%d%s", cluster_prefix,
1872                     xbt_dynar_get_as(tab_elements_num, i, int),
1873                     cluster_suffix);
1874       }
1875
1876       if (j == xbt_dynar_length(tab_elements_num)) {
1877         route_dst = router_id;
1878       } else {
1879         route_dst =
1880             bprintf("%s%d%s", cluster_prefix,
1881                     xbt_dynar_get_as(tab_elements_num, j, int),
1882                     cluster_suffix);
1883       }
1884
1885       XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src, route_dst);
1886       XBT_DEBUG("symmetrical=\"NO\">");
1887       SURFXML_BUFFER_SET(route_src, route_src);
1888       SURFXML_BUFFER_SET(route_dst, route_dst);
1889       A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1890       SURFXML_START_TAG(route);
1891
1892       if (i != xbt_dynar_length(tab_elements_num)){
1893           route_src =
1894                 bprintf("%s_link_%d", cluster_id,
1895                         xbt_dynar_get_as(tab_elements_num, i, int));
1896                   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", route_src);
1897                   SURFXML_BUFFER_SET(link_ctn_id, route_src);
1898                   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1899                   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1900                   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1901                   SURFXML_START_TAG(link_ctn);
1902                   SURFXML_END_TAG(link_ctn);
1903                   free(route_src);
1904       }
1905
1906       XBT_DEBUG("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
1907       SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
1908       A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1909       SURFXML_START_TAG(link_ctn);
1910       SURFXML_END_TAG(link_ctn);
1911
1912       if (j != xbt_dynar_length(tab_elements_num)) {
1913           route_dst =
1914                 bprintf("%s_link_%d", cluster_id,
1915                         xbt_dynar_get_as(tab_elements_num, j, int));
1916                   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", route_dst);
1917                   SURFXML_BUFFER_SET(link_ctn_id, route_dst);
1918                   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1919                   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1920                   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
1921                   SURFXML_START_TAG(link_ctn);
1922                   SURFXML_END_TAG(link_ctn);
1923                   free(route_dst);
1924       }
1925
1926       XBT_DEBUG("</route>");
1927       SURFXML_END_TAG(route);
1928     }
1929   }
1930   xbt_dynar_free(&tab_elements_num);
1931
1932 #endif
1933
1934   free(router_id);
1935   free(link_backbone);
1936   //free(link_router);
1937   xbt_dict_free(&patterns);
1938   free(availability_file);
1939   free(state_file);
1940
1941   XBT_DEBUG("</AS>");
1942   SURFXML_END_TAG(AS);
1943   XBT_DEBUG(" ");
1944
1945   surfxml_bufferstack_pop(1);
1946 }
1947 /*
1948  * This function take a string and replace parameters from patterns dict.
1949  * It returns the new value.
1950  */
1951 static char* replace_random_parameter(char * string)
1952 {
1953   char *test_string = NULL;
1954
1955   if(xbt_dict_size(random_value)==0)
1956     return string;
1957
1958   string = xbt_str_varsubst(string, patterns); // for patterns of cluster
1959   test_string = bprintf("${%s}", string);
1960   test_string = xbt_str_varsubst(test_string,random_value); //Add ${xxxxx} for random Generator
1961
1962   if (strcmp(test_string,"")) { //if not empty, keep this value.
1963     xbt_free(string);
1964     string = test_string;
1965   } //In other case take old value (without ${})
1966   else
1967         free(test_string);
1968   return string;
1969 }
1970
1971 static void clean_dict_random(void)
1972 {
1973         xbt_dict_free(&random_value);
1974         xbt_dict_free(&patterns);
1975 }
1976
1977 static void routing_parse_Speer(void)
1978 {
1979   static int AX_ptr = 0;
1980
1981   char *peer_id = A_surfxml_peer_id;
1982   char *peer_power = A_surfxml_peer_power;
1983   char *peer_bw_in = A_surfxml_peer_bw_in;
1984   char *peer_bw_out = A_surfxml_peer_bw_out;
1985   char *peer_lat = A_surfxml_peer_lat;
1986   char *peer_coord = A_surfxml_peer_coordinates;
1987   char *peer_state_file = A_surfxml_peer_state_file;
1988   char *peer_availability_file = A_surfxml_peer_availability_file;
1989
1990   char *host_id = NULL;
1991   char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
1992
1993   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1994   static unsigned int surfxml_buffer_stack_stack[1024];
1995
1996   surfxml_buffer_stack_stack[0] = 0;
1997
1998   surfxml_bufferstack_push(1);
1999
2000   SURFXML_BUFFER_SET(AS_id, peer_id);
2001
2002   SURFXML_BUFFER_SET(AS_routing, "Full");
2003   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer_id);
2004
2005   SURFXML_START_TAG(AS);
2006
2007   XBT_DEBUG(" ");
2008   host_id = bprintf("peer_%s", peer_id);
2009   router_id = bprintf("router_%s", peer_id);
2010   link_id_up = bprintf("link_%s_up", peer_id);
2011   link_id_down = bprintf("link_%s_down", peer_id);
2012
2013   link_router = bprintf("%s_link_router", peer_id);
2014   link_backbone = bprintf("%s_backbone", peer_id);
2015
2016   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, peer_power);
2017   A_surfxml_host_state = A_surfxml_host_state_ON;
2018   SURFXML_BUFFER_SET(host_id, host_id);
2019   SURFXML_BUFFER_SET(host_power, peer_power);
2020   SURFXML_BUFFER_SET(host_availability, "1.0");
2021   SURFXML_BUFFER_SET(host_availability_file, peer_availability_file);
2022   SURFXML_BUFFER_SET(host_state_file, peer_state_file);
2023   SURFXML_BUFFER_SET(host_coordinates, "");
2024   SURFXML_START_TAG(host);
2025   SURFXML_END_TAG(host);
2026
2027   XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer_coord);
2028   SURFXML_BUFFER_SET(router_id, router_id);
2029   SURFXML_BUFFER_SET(router_coordinates, peer_coord);
2030   SURFXML_START_TAG(router);
2031   SURFXML_END_TAG(router);
2032
2033   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_up, peer_bw_in, peer_lat);
2034   A_surfxml_link_state = A_surfxml_link_state_ON;
2035   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2036   SURFXML_BUFFER_SET(link_id, link_id_up);
2037   SURFXML_BUFFER_SET(link_bandwidth, peer_bw_in);
2038   SURFXML_BUFFER_SET(link_latency, peer_lat);
2039   SURFXML_BUFFER_SET(link_bandwidth_file, "");
2040   SURFXML_BUFFER_SET(link_latency_file, "");
2041   SURFXML_BUFFER_SET(link_state_file, "");
2042   SURFXML_START_TAG(link);
2043   SURFXML_END_TAG(link);
2044
2045   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_down, peer_bw_out, peer_lat);
2046   A_surfxml_link_state = A_surfxml_link_state_ON;
2047   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2048   SURFXML_BUFFER_SET(link_id, link_id_down);
2049   SURFXML_BUFFER_SET(link_bandwidth, peer_bw_out);
2050   SURFXML_BUFFER_SET(link_latency, peer_lat);
2051   SURFXML_BUFFER_SET(link_bandwidth_file, "");
2052   SURFXML_BUFFER_SET(link_latency_file, "");
2053   SURFXML_BUFFER_SET(link_state_file, "");
2054   SURFXML_START_TAG(link);
2055   SURFXML_END_TAG(link);
2056
2057   XBT_DEBUG(" ");
2058
2059   // begin here
2060   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
2061   XBT_DEBUG("symmetrical=\"NO\">");
2062   SURFXML_BUFFER_SET(route_src, host_id);
2063   SURFXML_BUFFER_SET(route_dst, router_id);
2064   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
2065   SURFXML_START_TAG(route);
2066
2067   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
2068   SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
2069   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
2070   SURFXML_START_TAG(link_ctn);
2071   SURFXML_END_TAG(link_ctn);
2072
2073   XBT_DEBUG("</route>");
2074   SURFXML_END_TAG(route);
2075
2076   //Opposite Route
2077   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
2078   XBT_DEBUG("symmetrical=\"NO\">");
2079   SURFXML_BUFFER_SET(route_src, router_id);
2080   SURFXML_BUFFER_SET(route_dst, host_id);
2081   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
2082   SURFXML_START_TAG(route);
2083
2084   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
2085   SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
2086   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
2087   SURFXML_START_TAG(link_ctn);
2088   SURFXML_END_TAG(link_ctn);
2089
2090   XBT_DEBUG("</route>");
2091   SURFXML_END_TAG(route);
2092
2093   XBT_DEBUG("</AS>");
2094   SURFXML_END_TAG(AS);
2095   XBT_DEBUG(" ");
2096
2097   //xbt_dynar_free(&tab_elements_num);
2098         free(host_id);
2099         free(router_id);
2100         free(link_router);
2101         free(link_backbone);
2102         free(link_id_up);
2103         free(link_id_down);
2104   surfxml_bufferstack_pop(1);
2105 }
2106
2107 static void routing_parse_Srandom(void)
2108 {
2109           double mean, std, min, max, seed;
2110           char *random_id = A_surfxml_random_id;
2111           char *random_radical = A_surfxml_random_radical;
2112           char *rd_name = NULL;
2113           char *rd_value;
2114           surf_parse_get_double(&mean,A_surfxml_random_mean);
2115           surf_parse_get_double(&std,A_surfxml_random_std_deviation);
2116           surf_parse_get_double(&min,A_surfxml_random_min);
2117           surf_parse_get_double(&max,A_surfxml_random_max);
2118           surf_parse_get_double(&seed,A_surfxml_random_seed);
2119
2120           double res = 0;
2121           int i = 0;
2122           random_data_t random = xbt_new0(s_random_data_t, 1);
2123           char *tmpbuf;
2124
2125           xbt_dynar_t radical_elements;
2126           unsigned int iter;
2127           char *groups;
2128           int start, end;
2129           xbt_dynar_t radical_ends;
2130
2131           random->generator = A_surfxml_random_generator;
2132           random->seed = seed;
2133           random->min = min;
2134           random->max = max;
2135
2136           /* Check user stupidities */
2137           if (max < min)
2138             THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
2139           if (mean < min)
2140             THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean,
2141                    min);
2142           if (mean > max)
2143             THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean,
2144                    max);
2145
2146           /* normalize the mean and standard deviation before storing */
2147           random->mean = (mean - min) / (max - min);
2148           random->std = std / (max - min);
2149
2150           if (random->mean * (1 - random->mean) < random->std * random->std)
2151             THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
2152                    random->mean, random->std);
2153
2154           XBT_DEBUG("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
2155           random_id,
2156           random->min,
2157           random->max,
2158           random->mean,
2159           random->std,
2160           random->generator,
2161           random->seed,
2162           random_radical);
2163
2164           if(xbt_dict_size(random_value)==0)
2165                   random_value = xbt_dict_new();
2166
2167           if(!strcmp(random_radical,""))
2168           {
2169                   res = random_generate(random);
2170                   rd_value = bprintf("%f",res);
2171                   xbt_dict_set(random_value, random_id, rd_value, free);
2172           }
2173           else
2174           {
2175                   radical_elements = xbt_str_split(random_radical, ",");
2176                   xbt_dynar_foreach(radical_elements, iter, groups) {
2177                         radical_ends = xbt_str_split(groups, "-");
2178                         switch (xbt_dynar_length(radical_ends)) {
2179                         case 1:
2180                                           xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",random_id);
2181                                           res = random_generate(random);
2182                                           tmpbuf = bprintf("%s%d",random_id,atoi(xbt_dynar_getfirst_as(radical_ends,char *)));
2183                                           xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
2184                                           xbt_free(tmpbuf);
2185                                           break;
2186
2187                         case 2:   surf_parse_get_int(&start,
2188                                                                                  xbt_dynar_get_as(radical_ends, 0, char *));
2189                                           surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
2190                                           for (i = start; i <= end; i++) {
2191                                                   xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",bprintf("%s%d",random_id,i));
2192                                                   res = random_generate(random);
2193                           tmpbuf = bprintf("%s%d",random_id,i);
2194                                                   xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
2195                           xbt_free(tmpbuf);
2196                                           }
2197                                           break;
2198                         default:
2199                                 XBT_INFO("Malformed radical");
2200                         }
2201                         res = random_generate(random);
2202                         rd_name  = bprintf("%s_router",random_id);
2203                         rd_value = bprintf("%f",res);
2204                         xbt_dict_set(random_value, rd_name, rd_value, free);
2205
2206                         xbt_dynar_free(&radical_ends);
2207                   }
2208                   free(rd_name);
2209                   xbt_dynar_free(&radical_elements);
2210           }
2211 }
2212
2213 static void routing_parse_Erandom(void)
2214 {
2215         xbt_dict_cursor_t cursor = NULL;
2216         char *key;
2217         char *elem;
2218
2219         xbt_dict_foreach(random_value, cursor, key, elem) {
2220           XBT_DEBUG("%s = %s",key,elem);
2221         }
2222
2223 }
2224
2225
2226 /*
2227  * New methods to init the routing model component from the lua script
2228  */
2229
2230 /*
2231  * calling parse_S_AS_lua with lua values
2232  */
2233 void routing_AS_init(const char *AS_id, const char *AS_routing)
2234 {
2235   parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
2236 }
2237
2238 /*
2239  * calling parse_E_AS_lua to fisnish the creation of routing component
2240  */
2241 void routing_AS_end(const char *AS_id)
2242 {
2243   parse_E_AS_lua((char *) AS_id);
2244 }
2245
2246 /*
2247  * add a host to the network element list
2248  */
2249
2250 void routing_add_host(const char *host_id)
2251 {
2252   parse_S_host_lua((char *) host_id, (char*)""); // FIXME propagate coordinate system to lua
2253 }
2254
2255 /*
2256  * Set a new link on the actual list of link for a route or ASroute
2257  */
2258 void routing_add_link(const char *link_id)
2259 {
2260   parse_E_link_c_ctn_new_elem_lua((char *) link_id);
2261 }
2262
2263 /*
2264  *Set the endpoints for a route
2265  */
2266 void routing_set_route(const char *src_id, const char *dst_id)
2267 {
2268   parse_S_route_new_and_endpoints_lua(src_id, dst_id);
2269 }
2270
2271 /*
2272  * Store the route by calling parse_E_route_store_route
2273  */
2274 void routing_store_route(void)
2275 {
2276   parse_E_route_store_route();
2277 }