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 and get_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 method: find a route between hosts
 780  *
 781  * \param src the source host name
 782  * \param dst the destination host name
 783  *
 784  * walk through the routing components tree and find a route between hosts
 785  * by calling the differents "get_route" functions in each routing component.
 786  * No need to free the returned dynar. It will be freed at the next call.
 787  */
 788 static xbt_dynar_t get_route(const char *src, const char *dst)
 789 {
 790
 791   xbt_dynar_t route = NULL;
 792
 793   _get_route_latency(src, dst, &route, NULL);
 794   xbt_assert(route, "no route between \"%s\" and \"%s\"", src, dst);
 795
 796   xbt_dynar_free(&global_routing->last_route);
 797   global_routing->last_route = route;
 798
 799   return route;
 800 }
 801
 802 /**
 803  * \brief Generic method: find a route between hosts
 804  *
 805  * \param src the source host name
 806  * \param dst the destination host name
 807  *
 808  * walk through the routing components tree and find a route between hosts
 809  * by calling the differents "get_route" functions in each routing component.
 810  * Leaves the caller the responsability to clean the returned dynar.
 811  */
 812 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
 813 {
 814         xbt_dynar_t d = get_route(src,dst);
 815         global_routing->last_route = NULL;
 816         return d;
 817 }
 818
 819 /*Get Latency*/
 820 static double get_latency(const char *src, const char *dst)
 821 {
 822
 823   double latency = -1.0;
 824   _get_route_latency(src, dst, NULL, &latency);
 825   xbt_assert(latency>=0.0, "no route between \"%s\" and \"%s\"", src, dst);
 826   return latency;
 827 }
 828
 829 /**
 830  * \brief Recursive function for finalize
 831  *
 832  * \param rc the source host name
 833  *
 834  * This fuction is call by "finalize". It allow to finalize the
 835  * AS or routing components. It delete all the structures.
 836  */
 837 static void _finalize(routing_component_t rc)
 838 {
 839   if (rc) {
 840     xbt_dict_cursor_t cursor = NULL;
 841     char *key;
 842     routing_component_t elem;
 843     xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
 844       _finalize(elem);
 845     }
 846     xbt_dict_t tmp_sons = rc->routing_sons;
 847     char *tmp_name = rc->name;
 848     xbt_dict_free(&tmp_sons);
 849     xbt_free(tmp_name);
 850     xbt_assert(rc->finalize, "no defined method \"finalize\" in \"%s\"",
 851                 current_routing->name);
 852     (*(rc->finalize)) (rc);
 853   }
 854 }
 855
 856 /**
 857  * \brief Generic method: delete all the routing structures
 858  *
 859  * walk through the routing components tree and delete the structures
 860  * by calling the differents "finalize" functions in each routing component
 861  */
 862 static void finalize(void)
 863 {
 864   /* delete recursibly all the tree */
 865   _finalize(global_routing->root);
 866   /* delete last_route */
 867   xbt_dynar_free(&(global_routing->last_route));
 868   /* delete global routing structure */
 869   xbt_free(global_routing);
 870 }
 871
 872 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
 873 {
 874   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
 875
 876   //adding my one link routes
 877   unsigned int cpt;
 878   void *link;
 879   xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
 880   if (onelink_mine) {
 881     xbt_dynar_foreach(onelink_mine, cpt, link) {
 882       xbt_dynar_push(ret, &link);
 883     }
 884   }
 885   //recursing
 886   char *key;
 887   xbt_dict_cursor_t cursor = NULL;
 888   routing_component_t rc_child;
 889   xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
 890     xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
 891     if (onelink_child) {
 892       xbt_dynar_foreach(onelink_child, cpt, link) {
 893         xbt_dynar_push(ret, &link);
 894       }
 895     }
 896   }
 897   return ret;
 898 }
 899
 900 static xbt_dynar_t get_onelink_routes(void)
 901 {
 902   return recursive_get_onelink_routes(global_routing->root);
 903 }
 904
 905 e_surf_network_element_type_t get_network_element_type(const char
 906                                                               *name)
 907 {
 908   network_element_info_t rc = NULL;
 909
 910   rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
 911   if(rc) return rc->rc_type;
 912
 913   rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
 914   if(rc) return rc->rc_type;
 915
 916   return SURF_NETWORK_ELEMENT_NULL;
 917 }
 918
 919 /**
 920  * \brief Generic method: create the global routing schema
 921  *
 922  * Make a global routing structure and set all the parsing functions.
 923  */
 924 void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_t get_link_latency_fun)
 925 {
 926   /* config the uniq global routing */
 927   global_routing = xbt_new0(s_routing_global_t, 1);
 928   global_routing->root = NULL;
 929   global_routing->get_route = get_route;
 930   global_routing->get_latency = get_latency;
 931   global_routing->get_route_no_cleanup = get_route_no_cleanup;
 932   global_routing->get_onelink_routes = get_onelink_routes;
 933   global_routing->get_network_element_type = get_network_element_type;
 934   global_routing->finalize = finalize;
 935   global_routing->loopback = loopback;
 936   global_routing->size_of_link = size_of_links;
 937   global_routing->last_route = NULL;
 938   get_link_latency = get_link_latency_fun;
 939   /* no current routing at moment */
 940   current_routing = NULL;
 941
 942   /* parse generic elements */
 943   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
 944   surfxml_add_callback(ETag_surfxml_host_cb_list, &parse_E_host_XML);
 945   surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router_XML);
 946
 947   surfxml_add_callback(STag_surfxml_route_cb_list,
 948                        &parse_S_route_new_and_endpoints_XML);
 949   surfxml_add_callback(STag_surfxml_ASroute_cb_list,
 950                        &parse_S_ASroute_new_and_endpoints);
 951   surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
 952                        &parse_S_bypassRoute_new_and_endpoints);
 953
 954   surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
 955                        &parse_E_link_ctn_new_elem_XML);
 956
 957   surfxml_add_callback(ETag_surfxml_route_cb_list,
 958                        &parse_E_route_store_route);
 959   surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
 960                        &parse_E_ASroute_store_route);
 961   surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
 962                        &parse_E_bypassRoute_store_route);
 963
 964   surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
 965   surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
 966
 967   surfxml_add_callback(STag_surfxml_cluster_cb_list,
 968                        &routing_parse_Scluster);
 969
 970   surfxml_add_callback(STag_surfxml_peer_cb_list,
 971                          &routing_parse_Speer);
 972
 973   surfxml_add_callback(ETag_surfxml_platform_cb_list,
 974                                                   &clean_dict_random);
 975
 976 #ifdef HAVE_TRACING
 977   instr_routing_define_callbacks();
 978 #endif
 979 }
 980
 981 void surf_parse_add_callback_config(void)
 982 {
 983         surfxml_add_callback(STag_surfxml_config_cb_list, &routing_parse_Sconfig);
 984         surfxml_add_callback(ETag_surfxml_config_cb_list, &routing_parse_Econfig);
 985         surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties_XML);
 986         surfxml_add_callback(STag_surfxml_AS_cb_list, &surf_parse_models_setup);
 987         surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
 988 }
 989
 990 void surf_parse_models_setup()
 991 {
 992         routing_parse_Erandom();
 993         surfxml_del_callback(STag_surfxml_AS_cb_list, surf_parse_models_setup);
 994         surf_config_models_setup(platform_filename);
 995         free(platform_filename);
 996 }
 997
 998 /* ************************************************** */
 999 /* ********** PATERN FOR NEW ROUTING **************** */
1000
1001 /* The minimal configuration of a new routing model need the next functions,
1002  * also you need to set at the start of the file, the new model in the model
1003  * list. Remember keep the null ending of the list.
1004  */
1005 /*** Routing model structure ***/
1006 // typedef struct {
1007 //   s_routing_component_t generic_routing;
1008 //   /* things that your routing model need */
1009 // } s_routing_component_NEW_t,*routing_component_NEW_t;
1010
1011 /*** Parse routing model functions ***/
1012 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
1013 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
1014 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
1015 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
1016 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
1017
1018 /*** Business methods ***/
1019 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1020 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1021 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
1022
1023 /*** Creation routing model functions ***/
1024 // static void* model_NEW_create(void) {
1025 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
1026 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
1027 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
1028 //   new_component->generic_routing.set_route = model_NEW_set_route;
1029 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
1030 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
1031 //   new_component->generic_routing.get_route = NEW_get_route;
1032 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
1033 //   new_component->generic_routing.finalize = NEW_finalize;
1034 //   /* initialization of internal structures */
1035 //   return new_component;
1036 // } /* mandatory */
1037 // static void  model_NEW_load(void) {}   /* mandatory */
1038 // static void  model_NEW_unload(void) {} /* mandatory */
1039 // static void  model_NEW_end(void) {}    /* mandatory */
1040
1041 /* ************************************************************************** */
1042 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
1043
1044 void generic_set_processing_unit(routing_component_t rc,
1045                                         const char *name)
1046 {
1047   XBT_DEBUG("Load process unit \"%s\"", name);
1048   int *id = xbt_new0(int, 1);
1049   xbt_dict_t _to_index;
1050   _to_index = current_routing->to_index;
1051   *id = xbt_dict_length(_to_index);
1052   xbt_dict_set(_to_index, name, id, xbt_free);
1053 }
1054
1055 void generic_set_autonomous_system(routing_component_t rc,
1056                                           const char *name)
1057 {
1058   XBT_DEBUG("Load Autonomous system \"%s\"", name);
1059   int *id = xbt_new0(int, 1);
1060   xbt_dict_t _to_index;
1061   _to_index = current_routing->to_index;
1062   *id = xbt_dict_length(_to_index);
1063   xbt_dict_set(_to_index, name, id, xbt_free);
1064 }
1065
1066 int surf_pointer_resource_cmp(const void *a, const void *b)
1067 {
1068   return a != b;
1069 }
1070
1071 int surf_link_resource_cmp(const void *a, const void *b)
1072 {
1073   return !!memcmp(a,b,global_routing->size_of_link);
1074 }
1075
1076 void generic_set_bypassroute(routing_component_t rc,
1077                                     const char *src, const char *dst,
1078                                     route_extended_t e_route)
1079 {
1080   XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
1081   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
1082   char *route_name;
1083
1084   route_name = bprintf("%s#%s", src, dst);
1085   xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
1086               "Invalid count of links, must be greater than zero (%s,%s)",
1087               src, dst);
1088   xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
1089               "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
1090               src, e_route->src_gateway, dst, e_route->dst_gateway);
1091
1092   route_extended_t new_e_route =
1093       generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
1094   xbt_dynar_free(&(e_route->generic_route.link_list));
1095   xbt_free(e_route);
1096
1097   xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
1098                (void (*)(void *)) generic_free_extended_route);
1099   xbt_free(route_name);
1100 }
1101
1102 /* ************************************************************************** */
1103 /* *********************** GENERIC BUSINESS METHODS ************************* */
1104
1105 double generic_get_link_latency(routing_component_t rc,
1106                                        const char *src, const char *dst,
1107                                        route_extended_t route)
1108 {
1109         int need_to_clean = route?0:1;
1110         void * link;
1111         unsigned int i;
1112         double latency = 0.0;
1113
1114         route = route?route:rc->get_route(rc,src,dst);
1115
1116         xbt_dynar_foreach(route->generic_route.link_list,i,link) {
1117                 latency += get_link_latency(link);
1118         }
1119         if(need_to_clean) generic_free_extended_route(route);
1120   return latency;
1121 }
1122
1123 xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
1124 {
1125   xbt_die("\"generic_get_onelink_routes\" not implemented yet");
1126 }
1127
1128 route_extended_t generic_get_bypassroute(routing_component_t rc,
1129                                                 const char *src,
1130                                                 const char *dst)
1131 {
1132   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
1133   routing_component_t src_as, dst_as;
1134   int index_src, index_dst;
1135   xbt_dynar_t path_src = NULL;
1136   xbt_dynar_t path_dst = NULL;
1137   routing_component_t current = NULL;
1138   routing_component_t *current_src = NULL;
1139   routing_component_t *current_dst = NULL;
1140
1141   /* (1) find the as where the src and dst are located */
1142   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1143   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1144   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1145   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1146
1147   if(src_data == NULL || dst_data == NULL)
1148           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1149                      src, dst, rc->name);
1150
1151   src_as = ((network_element_info_t)src_data)->rc_component;
1152   dst_as = ((network_element_info_t)dst_data)->rc_component;
1153
1154   /* (2) find the path to the root routing component */
1155   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
1156   current = src_as;
1157   while (current != NULL) {
1158     xbt_dynar_push(path_src, &current);
1159     current = current->routing_father;
1160   }
1161   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
1162   current = dst_as;
1163   while (current != NULL) {
1164     xbt_dynar_push(path_dst, &current);
1165     current = current->routing_father;
1166   }
1167
1168   /* (3) find the common father */
1169   index_src = path_src->used - 1;
1170   index_dst = path_dst->used - 1;
1171   current_src = xbt_dynar_get_ptr(path_src, index_src);
1172   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1173   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
1174     routing_component_t *tmp_src, *tmp_dst;
1175     tmp_src = xbt_dynar_pop_ptr(path_src);
1176     tmp_dst = xbt_dynar_pop_ptr(path_dst);
1177     index_src--;
1178     index_dst--;
1179     current_src = xbt_dynar_get_ptr(path_src, index_src);
1180     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1181   }
1182
1183   int max_index_src = path_src->used - 1;
1184   int max_index_dst = path_dst->used - 1;
1185
1186   int max_index = max(max_index_src, max_index_dst);
1187   int i, max;
1188
1189   route_extended_t e_route_bypass = NULL;
1190
1191   for (max = 0; max <= max_index; max++) {
1192     for (i = 0; i < max; i++) {
1193       if (i <= max_index_src && max <= max_index_dst) {
1194         char *route_name = bprintf("%s#%s",
1195                                    (*(routing_component_t *)
1196                                     (xbt_dynar_get_ptr
1197                                      (path_src, i)))->name,
1198                                    (*(routing_component_t *)
1199                                     (xbt_dynar_get_ptr
1200                                      (path_dst, max)))->name);
1201         e_route_bypass =
1202             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1203         xbt_free(route_name);
1204       }
1205       if (e_route_bypass)
1206         break;
1207       if (max <= max_index_src && i <= max_index_dst) {
1208         char *route_name = bprintf("%s#%s",
1209                                    (*(routing_component_t *)
1210                                     (xbt_dynar_get_ptr
1211                                      (path_src, max)))->name,
1212                                    (*(routing_component_t *)
1213                                     (xbt_dynar_get_ptr
1214                                      (path_dst, i)))->name);
1215         e_route_bypass =
1216             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1217         xbt_free(route_name);
1218       }
1219       if (e_route_bypass)
1220         break;
1221     }
1222
1223     if (e_route_bypass)
1224       break;
1225
1226     if (max <= max_index_src && max <= max_index_dst) {
1227       char *route_name = bprintf("%s#%s",
1228                                  (*(routing_component_t *)
1229                                   (xbt_dynar_get_ptr
1230                                    (path_src, max)))->name,
1231                                  (*(routing_component_t *)
1232                                   (xbt_dynar_get_ptr
1233                                    (path_dst, max)))->name);
1234       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1235       xbt_free(route_name);
1236     }
1237     if (e_route_bypass)
1238       break;
1239   }
1240
1241   xbt_dynar_free(&path_src);
1242   xbt_dynar_free(&path_dst);
1243
1244   route_extended_t new_e_route = NULL;
1245
1246   if (e_route_bypass) {
1247     void *link;
1248     unsigned int cpt = 0;
1249     new_e_route = xbt_new0(s_route_extended_t, 1);
1250     new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
1251     new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
1252     new_e_route->generic_route.link_list =
1253         xbt_dynar_new(global_routing->size_of_link, NULL);
1254     xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
1255       xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1256     }
1257   }
1258
1259   return new_e_route;
1260 }
1261
1262 /* ************************************************************************** */
1263 /* ************************* GENERIC AUX FUNCTIONS ************************** */
1264
1265 route_t
1266 generic_new_route(e_surf_routing_hierarchy_t hierarchy,
1267                            void *data, int order)
1268 {
1269
1270   char *link_name;
1271   route_t new_route;
1272   unsigned int cpt;
1273   xbt_dynar_t links = NULL, links_id = NULL;
1274
1275   new_route = xbt_new0(s_route_t, 1);
1276   new_route->link_list =
1277       xbt_dynar_new(global_routing->size_of_link, NULL);
1278
1279   xbt_assert(hierarchy == SURF_ROUTING_BASE,
1280               "the hierarchy type is not SURF_ROUTING_BASE");
1281
1282   links = ((route_t) data)->link_list;
1283
1284
1285   links_id = new_route->link_list;
1286
1287   xbt_dynar_foreach(links, cpt, link_name) {
1288
1289     void *link =
1290                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1291     if (link) {
1292       if (order)
1293         xbt_dynar_push(links_id, &link);
1294       else
1295         xbt_dynar_unshift(links_id, &link);
1296     } else
1297       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1298   }
1299
1300   return new_route;
1301 }
1302
1303 route_extended_t
1304 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
1305                            void *data, int order)
1306 {
1307
1308   char *link_name;
1309   route_extended_t e_route, new_e_route;
1310   route_t route;
1311   unsigned int cpt;
1312   xbt_dynar_t links = NULL, links_id = NULL;
1313
1314   new_e_route = xbt_new0(s_route_extended_t, 1);
1315   new_e_route->generic_route.link_list =
1316       xbt_dynar_new(global_routing->size_of_link, NULL);
1317   new_e_route->src_gateway = NULL;
1318   new_e_route->dst_gateway = NULL;
1319
1320   xbt_assert(hierarchy == SURF_ROUTING_BASE
1321               || hierarchy == SURF_ROUTING_RECURSIVE,
1322               "the hierarchy type is not defined");
1323
1324   if (hierarchy == SURF_ROUTING_BASE) {
1325
1326     route = (route_t) data;
1327     links = route->link_list;
1328
1329   } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
1330
1331     e_route = (route_extended_t) data;
1332     xbt_assert(e_route->src_gateway
1333                 && e_route->dst_gateway, "bad gateway, is null");
1334     links = e_route->generic_route.link_list;
1335
1336     /* remeber not erase the gateway names */
1337     new_e_route->src_gateway = strdup(e_route->src_gateway);
1338     new_e_route->dst_gateway = strdup(e_route->dst_gateway);
1339   }
1340
1341   links_id = new_e_route->generic_route.link_list;
1342
1343   xbt_dynar_foreach(links, cpt, link_name) {
1344
1345     void *link =
1346                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1347     if (link) {
1348       if (order)
1349         xbt_dynar_push(links_id, &link);
1350       else
1351         xbt_dynar_unshift(links_id, &link);
1352     } else
1353       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1354   }
1355
1356   return new_e_route;
1357 }
1358
1359 void generic_free_route(route_t route)
1360 {
1361   if (route) {
1362     xbt_dynar_free(&(route->link_list));
1363     xbt_free(route);
1364   }
1365 }
1366
1367 void generic_free_extended_route(route_extended_t e_route)
1368 {
1369   if (e_route) {
1370     xbt_dynar_free(&(e_route->generic_route.link_list));
1371     if (e_route->src_gateway)
1372       xbt_free(e_route->src_gateway);
1373     if (e_route->dst_gateway)
1374       xbt_free(e_route->dst_gateway);
1375     xbt_free(e_route);
1376   }
1377 }
1378
1379 static routing_component_t generic_as_exist(routing_component_t find_from,
1380                                             routing_component_t to_find)
1381 {
1382   //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1383   xbt_dict_cursor_t cursor = NULL;
1384   char *key;
1385   int found = 0;
1386   routing_component_t elem;
1387   xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
1388     if (to_find == elem || generic_as_exist(elem, to_find)) {
1389       found = 1;
1390       break;
1391     }
1392   }
1393   if (found)
1394     return to_find;
1395   return NULL;
1396 }
1397
1398 routing_component_t
1399 generic_autonomous_system_exist(routing_component_t rc, char *element)
1400 {
1401   //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1402   routing_component_t element_as, result, elem;
1403   xbt_dict_cursor_t cursor = NULL;
1404   char *key;
1405   element_as = ((network_element_info_t)
1406                 xbt_lib_get_or_null(as_router_lib, element, ROUTING_ASR_LEVEL))->rc_component;
1407   result = ((routing_component_t) - 1);
1408   if (element_as != rc)
1409     result = generic_as_exist(rc, element_as);
1410
1411   int found = 0;
1412   if (result) {
1413     xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
1414       found = !strcmp(elem->name, element);
1415       if (found)
1416         break;
1417     }
1418     if (found)
1419       return element_as;
1420   }
1421   return NULL;
1422 }
1423
1424 routing_component_t
1425 generic_processing_units_exist(routing_component_t rc, char *element)
1426 {
1427   routing_component_t element_as;
1428   element_as = ((network_element_info_t)
1429                 xbt_lib_get_or_null(host_lib,
1430                  element, ROUTING_HOST_LEVEL))->rc_component;
1431   if (element_as == rc)
1432     return element_as;
1433   return generic_as_exist(rc, element_as);
1434 }
1435
1436 void generic_src_dst_check(routing_component_t rc, const char *src,
1437                                   const char *dst)
1438 {
1439
1440   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1441   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1442   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1443   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1444
1445   if(src_data == NULL || dst_data == NULL)
1446           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1447                      src, dst, rc->name);
1448
1449   routing_component_t src_as = ((network_element_info_t)src_data)->rc_component;
1450   routing_component_t dst_as = ((network_element_info_t)dst_data)->rc_component;
1451
1452   if(src_as != dst_as)
1453           xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
1454               src, src_as->name, dst, dst_as->name);
1455   if(rc != dst_as)
1456          xbt_die("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
1457      src,dst,src_as->name, dst_as->name,rc->name);
1458 }
1459
1460 static void routing_parse_Sconfig(void)
1461 {
1462   XBT_DEBUG("START configuration name = %s",A_surfxml_config_id);
1463 }
1464
1465 static void routing_parse_Econfig(void)
1466 {
1467   xbt_dict_cursor_t cursor = NULL;
1468   char *key;
1469   char *elem;
1470   char *cfg;
1471   xbt_dict_foreach(current_property_set, cursor, key, elem) {
1472           cfg = bprintf("%s:%s",key,elem);
1473           if(xbt_cfg_is_default_value(_surf_cfg_set, key))
1474                   xbt_cfg_set_parse(_surf_cfg_set, cfg);
1475           else
1476                   XBT_INFO("The custom configuration '%s' is already define by user!",key);
1477           free(cfg);
1478   }
1479   XBT_DEBUG("End configuration name = %s",A_surfxml_config_id);
1480 }
1481
1482 void routing_parse_Scluster(void)
1483 {
1484   static int AX_ptr = 0;
1485
1486   char *cluster_id = A_surfxml_cluster_id;
1487   char *cluster_prefix = A_surfxml_cluster_prefix;
1488   char *cluster_suffix = A_surfxml_cluster_suffix;
1489   char *cluster_radical = A_surfxml_cluster_radical;
1490   char *cluster_power = A_surfxml_cluster_power;
1491   char *cluster_core = A_surfxml_cluster_core;
1492   char *cluster_bw = A_surfxml_cluster_bw;
1493   char *cluster_lat = A_surfxml_cluster_lat;
1494   char *temp_cluster_bw = NULL;
1495   char *temp_cluster_lat = NULL;
1496   char *temp_cluster_power = NULL;
1497   char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
1498   char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
1499   char *cluster_availability_file = A_surfxml_cluster_availability_file;
1500   char *cluster_state_file = A_surfxml_cluster_state_file;
1501   char *host_id, *groups, *link_id = NULL;
1502   char *router_id, *link_backbone;
1503   char *availability_file = xbt_strdup(cluster_availability_file);
1504   char *state_file = xbt_strdup(cluster_state_file);
1505
1506   if(xbt_dict_size(patterns)==0)
1507           patterns = xbt_dict_new();
1508
1509   xbt_dict_set(patterns,"id",cluster_id,NULL);
1510   xbt_dict_set(patterns,"prefix",cluster_prefix,NULL);
1511   xbt_dict_set(patterns,"suffix",cluster_suffix,NULL);
1512
1513 #ifdef HAVE_PCRE_LIB
1514   char *route_src_dst;
1515 #endif
1516   unsigned int iter;
1517   int start, end, i;
1518   xbt_dynar_t radical_elements;
1519   xbt_dynar_t radical_ends;
1520   int cluster_sharing_policy = AX_surfxml_cluster_sharing_policy;
1521   int cluster_bb_sharing_policy = AX_surfxml_cluster_bb_sharing_policy;
1522
1523 #ifndef HAVE_PCRE_LIB
1524   xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
1525   char *route_src, *route_dst;
1526   int j;
1527 #endif
1528
1529   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1530   static unsigned int surfxml_buffer_stack_stack[1024];
1531
1532   surfxml_buffer_stack_stack[0] = 0;
1533
1534   surfxml_bufferstack_push(1);
1535
1536   SURFXML_BUFFER_SET(AS_id, cluster_id);
1537 #ifdef HAVE_PCRE_LIB
1538   SURFXML_BUFFER_SET(AS_routing, "RuleBased");
1539   XBT_DEBUG("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
1540 #else
1541   SURFXML_BUFFER_SET(AS_routing, "Full");
1542   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
1543 #endif
1544   SURFXML_START_TAG(AS);
1545
1546   radical_elements = xbt_str_split(cluster_radical, ",");
1547   xbt_dynar_foreach(radical_elements, iter, groups) {
1548     radical_ends = xbt_str_split(groups, "-");
1549     switch (xbt_dynar_length(radical_ends)) {
1550     case 1:
1551       surf_parse_get_int(&start,
1552                          xbt_dynar_get_as(radical_ends, 0, char *));
1553       host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
1554 #ifndef HAVE_PCRE_LIB
1555       xbt_dynar_push_as(tab_elements_num, int, start);
1556 #endif
1557       link_id = bprintf("%s_link_%d", cluster_id, start);
1558
1559       xbt_dict_set(patterns, "radical", bprintf("%d", start), xbt_free);
1560       temp_cluster_power = xbt_strdup(cluster_power);
1561       temp_cluster_power = replace_random_parameter(temp_cluster_power);
1562       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
1563       A_surfxml_host_state = A_surfxml_host_state_ON;
1564       SURFXML_BUFFER_SET(host_id, host_id);
1565       SURFXML_BUFFER_SET(host_power, temp_cluster_power);
1566       SURFXML_BUFFER_SET(host_core, cluster_core);
1567       SURFXML_BUFFER_SET(host_availability, "1.0");
1568       SURFXML_BUFFER_SET(host_coordinates, "");
1569       xbt_free(availability_file);
1570       availability_file = xbt_strdup(cluster_availability_file);
1571       xbt_free(state_file);
1572       state_file = xbt_strdup(cluster_state_file);
1573       XBT_DEBUG("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
1574       XBT_DEBUG("\tstate_file=\"%s\"",xbt_str_varsubst(state_file,patterns));
1575       SURFXML_BUFFER_SET(host_availability_file, xbt_str_varsubst(availability_file,patterns));
1576       SURFXML_BUFFER_SET(host_state_file, xbt_str_varsubst(state_file,patterns));
1577       XBT_DEBUG("</host>");
1578       SURFXML_START_TAG(host);
1579       SURFXML_END_TAG(host);
1580
1581
1582       temp_cluster_bw = xbt_strdup(cluster_bw);
1583       temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1584       temp_cluster_lat = xbt_strdup(cluster_lat);
1585       temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1586       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
1587       A_surfxml_link_state = A_surfxml_link_state_ON;
1588       A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1589       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1590           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1591       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1592           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1593       SURFXML_BUFFER_SET(link_id, link_id);
1594       SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1595       SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1596       SURFXML_BUFFER_SET(link_bandwidth_file, "");
1597       SURFXML_BUFFER_SET(link_latency_file, "");
1598       SURFXML_BUFFER_SET(link_state_file, "");
1599       SURFXML_START_TAG(link);
1600       SURFXML_END_TAG(link);
1601
1602       xbt_free(temp_cluster_bw);
1603       xbt_free(temp_cluster_lat);
1604       xbt_free(temp_cluster_power);
1605       free(link_id);
1606       free(host_id);
1607       break;
1608
1609     case 2:
1610
1611       surf_parse_get_int(&start,
1612                          xbt_dynar_get_as(radical_ends, 0, char *));
1613       surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
1614       for (i = start; i <= end; i++) {
1615         host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
1616 #ifndef HAVE_PCRE_LIB
1617         xbt_dynar_push_as(tab_elements_num, int, i);
1618 #endif
1619         link_id = bprintf("%s_link_%d", cluster_id, i);
1620
1621         xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
1622         temp_cluster_power = xbt_strdup(cluster_power);
1623         temp_cluster_power = replace_random_parameter(temp_cluster_power);
1624         XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
1625         A_surfxml_host_state = A_surfxml_host_state_ON;
1626         SURFXML_BUFFER_SET(host_id, host_id);
1627         SURFXML_BUFFER_SET(host_power, temp_cluster_power);
1628         SURFXML_BUFFER_SET(host_core, cluster_core);
1629         SURFXML_BUFFER_SET(host_availability, "1.0");
1630         SURFXML_BUFFER_SET(host_coordinates, "");
1631         xbt_free(availability_file);
1632         availability_file = xbt_strdup(cluster_availability_file);
1633         xbt_free(state_file);
1634         state_file = xbt_strdup(cluster_state_file);
1635         XBT_DEBUG("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
1636         XBT_DEBUG("\tstate_file=\"%s\"",xbt_str_varsubst(state_file,patterns));
1637         SURFXML_BUFFER_SET(host_availability_file, xbt_str_varsubst(availability_file,patterns));
1638         SURFXML_BUFFER_SET(host_state_file, xbt_str_varsubst(state_file,patterns));
1639         XBT_DEBUG("</host>");
1640         SURFXML_START_TAG(host);
1641         SURFXML_END_TAG(host);
1642
1643         xbt_free(temp_cluster_power);
1644
1645         temp_cluster_bw = xbt_strdup(cluster_bw);
1646         temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1647         temp_cluster_lat = xbt_strdup(cluster_lat);
1648         temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1649         XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
1650         A_surfxml_link_state = A_surfxml_link_state_ON;
1651         A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1652         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1653             {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1654         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1655             {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1656         SURFXML_BUFFER_SET(link_id, link_id);
1657         SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1658         SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1659         SURFXML_BUFFER_SET(link_bandwidth_file, "");
1660         SURFXML_BUFFER_SET(link_latency_file, "");
1661         SURFXML_BUFFER_SET(link_state_file, "");
1662         SURFXML_START_TAG(link);
1663         SURFXML_END_TAG(link);
1664
1665         xbt_free(temp_cluster_bw);
1666         xbt_free(temp_cluster_lat);
1667         free(link_id);
1668         free(host_id);
1669       }
1670       break;
1671
1672     default:
1673       XBT_DEBUG("Malformed radical");
1674     }
1675
1676     xbt_dynar_free(&radical_ends);
1677   }
1678   xbt_dynar_free(&radical_elements);
1679
1680   XBT_DEBUG(" ");
1681   router_id =
1682       bprintf("%s%s_router%s", cluster_prefix, cluster_id,
1683               cluster_suffix);
1684   //link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
1685   link_backbone = bprintf("%s_backbone", cluster_id);
1686
1687   XBT_DEBUG("<router id=\"%s\"/>", router_id);
1688   SURFXML_BUFFER_SET(router_id, router_id);
1689   SURFXML_BUFFER_SET(router_coordinates, "");
1690   SURFXML_START_TAG(router);
1691   SURFXML_END_TAG(router);
1692
1693   //TODO
1694 //  xbt_dict_set(patterns, "radical", xbt_strdup("_router"), xbt_free);
1695 //  temp_cluster_bw = xbt_strdup(cluster_bw);
1696 //  temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1697 //  temp_cluster_lat = xbt_strdup(cluster_lat);
1698 //  temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1699 //  XBT_DEBUG("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,temp_cluster_bw, temp_cluster_lat);
1700 //  A_surfxml_link_state = A_surfxml_link_state_ON;
1701 //  A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1702 //  if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1703 //  {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1704 //  if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1705 //  {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1706 //  SURFXML_BUFFER_SET(link_id, link_router);
1707 //  SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1708 //  SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1709 //  SURFXML_BUFFER_SET(link_bandwidth_file, "");
1710 //  SURFXML_BUFFER_SET(link_latency_file, "");
1711 //  SURFXML_BUFFER_SET(link_state_file, "");
1712 //  SURFXML_START_TAG(link);
1713 //  SURFXML_END_TAG(link);
1714
1715 //  xbt_free(temp_cluster_bw);
1716 //  xbt_free(temp_cluster_lat);
1717
1718   XBT_DEBUG("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bb_bw, cluster_bb_lat);
1719   A_surfxml_link_state = A_surfxml_link_state_ON;
1720   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1721   if(cluster_bb_sharing_policy == A_surfxml_cluster_bb_sharing_policy_FATPIPE)
1722   {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1723   SURFXML_BUFFER_SET(link_id, link_backbone);
1724   SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
1725   SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
1726   SURFXML_BUFFER_SET(link_bandwidth_file, "");
1727   SURFXML_BUFFER_SET(link_latency_file, "");
1728   SURFXML_BUFFER_SET(link_state_file, "");
1729   SURFXML_START_TAG(link);
1730   SURFXML_END_TAG(link);
1731
1732   XBT_DEBUG(" ");
1733
1734 #ifdef HAVE_PCRE_LIB
1735   char *new_suffix = xbt_strdup("");
1736
1737   radical_elements = xbt_str_split(cluster_suffix, ".");
1738   xbt_dynar_foreach(radical_elements, iter, groups) {
1739     if (strcmp(groups, "")) {
1740       char *old_suffix = new_suffix;
1741       new_suffix = bprintf("%s\\.%s", old_suffix, groups);
1742       free(old_suffix);
1743     }
1744   }
1745   route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
1746   xbt_dynar_free(&radical_elements);
1747   free(new_suffix);
1748
1749   char *pcre_link_src = bprintf("%s_link_$1src", cluster_id);
1750   char *pcre_link_backbone = bprintf("%s_backbone", cluster_id);
1751   char *pcre_link_dst = bprintf("%s_link_$1dst", cluster_id);
1752
1753   //from router to router
1754   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, router_id);
1755   XBT_DEBUG("symmetrical=\"NO\">");
1756   SURFXML_BUFFER_SET(route_src, router_id);
1757   SURFXML_BUFFER_SET(route_dst, router_id);
1758   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1759   SURFXML_START_TAG(route);
1760
1761   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1762   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1763   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1764   SURFXML_START_TAG(link_ctn);
1765   SURFXML_END_TAG(link_ctn);
1766
1767   XBT_DEBUG("</route>");
1768   SURFXML_END_TAG(route);
1769
1770   //from host to router
1771   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, router_id);
1772   XBT_DEBUG("symmetrical=\"NO\">");
1773   SURFXML_BUFFER_SET(route_src, route_src_dst);
1774   SURFXML_BUFFER_SET(route_dst, router_id);
1775   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1776   SURFXML_START_TAG(route);
1777
1778   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_src);
1779   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_src);
1780   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1781   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1782   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1783   SURFXML_START_TAG(link_ctn);
1784   SURFXML_END_TAG(link_ctn);
1785
1786   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1787   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1788   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1789   SURFXML_START_TAG(link_ctn);
1790   SURFXML_END_TAG(link_ctn);
1791
1792   XBT_DEBUG("</route>");
1793   SURFXML_END_TAG(route);
1794
1795   //from router to host
1796   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, route_src_dst);
1797   XBT_DEBUG("symmetrical=\"NO\">");
1798   SURFXML_BUFFER_SET(route_src, router_id);
1799   SURFXML_BUFFER_SET(route_dst, route_src_dst);
1800   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1801   SURFXML_START_TAG(route);
1802
1803   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1804   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1805   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1806   SURFXML_START_TAG(link_ctn);
1807   SURFXML_END_TAG(link_ctn);
1808
1809   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_dst);
1810   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_dst);
1811   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1812   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1813   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1814   SURFXML_START_TAG(link_ctn);
1815   SURFXML_END_TAG(link_ctn);
1816
1817   XBT_DEBUG("</route>");
1818   SURFXML_END_TAG(route);
1819
1820   //from host to host
1821   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, route_src_dst);
1822   XBT_DEBUG("symmetrical=\"NO\">");
1823   SURFXML_BUFFER_SET(route_src, route_src_dst);
1824   SURFXML_BUFFER_SET(route_dst, route_src_dst);
1825   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1826   SURFXML_START_TAG(route);
1827
1828   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_src);
1829   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_src);
1830   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1831   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1832   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1833   SURFXML_START_TAG(link_ctn);
1834   SURFXML_END_TAG(link_ctn);
1835
1836   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1837   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1838   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1839   SURFXML_START_TAG(link_ctn);
1840   SURFXML_END_TAG(link_ctn);
1841
1842   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_dst);
1843   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_dst);
1844   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1845   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1846   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
1847   SURFXML_START_TAG(link_ctn);
1848   SURFXML_END_TAG(link_ctn);
1849
1850   XBT_DEBUG("</route>");
1851   SURFXML_END_TAG(route);
1852
1853   free(pcre_link_dst);
1854   free(pcre_link_backbone);
1855   free(pcre_link_src);
1856   free(route_src_dst);
1857 #else
1858   for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
1859     for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
1860       if (i == xbt_dynar_length(tab_elements_num)) {
1861         route_src = router_id;
1862       } else {
1863         route_src =
1864             bprintf("%s%d%s", cluster_prefix,
1865                     xbt_dynar_get_as(tab_elements_num, i, int),
1866                     cluster_suffix);
1867       }
1868
1869       if (j == xbt_dynar_length(tab_elements_num)) {
1870         route_dst = router_id;
1871       } else {
1872         route_dst =
1873             bprintf("%s%d%s", cluster_prefix,
1874                     xbt_dynar_get_as(tab_elements_num, j, int),
1875                     cluster_suffix);
1876       }
1877
1878       XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src, route_dst);
1879       XBT_DEBUG("symmetrical=\"NO\">");
1880       SURFXML_BUFFER_SET(route_src, route_src);
1881       SURFXML_BUFFER_SET(route_dst, route_dst);
1882       A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1883       SURFXML_START_TAG(route);
1884
1885       if (i != xbt_dynar_length(tab_elements_num)){
1886           route_src =
1887                 bprintf("%s_link_%d", cluster_id,
1888                         xbt_dynar_get_as(tab_elements_num, i, int));
1889                   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", route_src);
1890                   SURFXML_BUFFER_SET(link_ctn_id, route_src);
1891                   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1892                   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1893                   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1894                   SURFXML_START_TAG(link_ctn);
1895                   SURFXML_END_TAG(link_ctn);
1896                   free(route_src);
1897       }
1898
1899       XBT_DEBUG("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
1900       SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
1901       A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1902       SURFXML_START_TAG(link_ctn);
1903       SURFXML_END_TAG(link_ctn);
1904
1905       if (j != xbt_dynar_length(tab_elements_num)) {
1906           route_dst =
1907                 bprintf("%s_link_%d", cluster_id,
1908                         xbt_dynar_get_as(tab_elements_num, j, int));
1909                   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", route_dst);
1910                   SURFXML_BUFFER_SET(link_ctn_id, route_dst);
1911                   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1912                   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1913                   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
1914                   SURFXML_START_TAG(link_ctn);
1915                   SURFXML_END_TAG(link_ctn);
1916                   free(route_dst);
1917       }
1918
1919       XBT_DEBUG("</route>");
1920       SURFXML_END_TAG(route);
1921     }
1922   }
1923   xbt_dynar_free(&tab_elements_num);
1924
1925 #endif
1926
1927   free(router_id);
1928   free(link_backbone);
1929   //free(link_router);
1930   xbt_dict_free(&patterns);
1931   free(availability_file);
1932   free(state_file);
1933
1934   XBT_DEBUG("</AS>");
1935   SURFXML_END_TAG(AS);
1936   XBT_DEBUG(" ");
1937
1938   surfxml_bufferstack_pop(1);
1939 }
1940 /*
1941  * This function take a string and replace parameters from patterns dict.
1942  * It returns the new value.
1943  */
1944 static char* replace_random_parameter(char * string)
1945 {
1946   char *test_string = NULL;
1947
1948   if(xbt_dict_size(random_value)==0)
1949     return string;
1950
1951   string = xbt_str_varsubst(string, patterns); // for patterns of cluster
1952   test_string = bprintf("${%s}", string);
1953   test_string = xbt_str_varsubst(test_string,random_value); //Add ${xxxxx} for random Generator
1954
1955   if (strcmp(test_string,"")) { //if not empty, keep this value.
1956     xbt_free(string);
1957     string = test_string;
1958   } //In other case take old value (without ${})
1959   else
1960         free(test_string);
1961   return string;
1962 }
1963
1964 static void clean_dict_random(void)
1965 {
1966         xbt_dict_free(&random_value);
1967         xbt_dict_free(&patterns);
1968 }
1969
1970 static void routing_parse_Speer(void)
1971 {
1972   static int AX_ptr = 0;
1973
1974   char *peer_id = A_surfxml_peer_id;
1975   char *peer_power = A_surfxml_peer_power;
1976   char *peer_bw_in = A_surfxml_peer_bw_in;
1977   char *peer_bw_out = A_surfxml_peer_bw_out;
1978   char *peer_lat = A_surfxml_peer_lat;
1979   char *peer_coord = A_surfxml_peer_coordinates;
1980   char *peer_state_file = A_surfxml_peer_state_file;
1981   char *peer_availability_file = A_surfxml_peer_availability_file;
1982
1983   char *host_id = NULL;
1984   char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
1985
1986   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1987   static unsigned int surfxml_buffer_stack_stack[1024];
1988
1989   surfxml_buffer_stack_stack[0] = 0;
1990
1991   surfxml_bufferstack_push(1);
1992
1993   SURFXML_BUFFER_SET(AS_id, peer_id);
1994
1995   SURFXML_BUFFER_SET(AS_routing, "Full");
1996   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer_id);
1997
1998   SURFXML_START_TAG(AS);
1999
2000   XBT_DEBUG(" ");
2001   host_id = bprintf("peer_%s", peer_id);
2002   router_id = bprintf("router_%s", peer_id);
2003   link_id_up = bprintf("link_%s_up", peer_id);
2004   link_id_down = bprintf("link_%s_down", peer_id);
2005
2006   link_router = bprintf("%s_link_router", peer_id);
2007   link_backbone = bprintf("%s_backbone", peer_id);
2008
2009   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, peer_power);
2010   A_surfxml_host_state = A_surfxml_host_state_ON;
2011   SURFXML_BUFFER_SET(host_id, host_id);
2012   SURFXML_BUFFER_SET(host_power, peer_power);
2013   SURFXML_BUFFER_SET(host_availability, "1.0");
2014   SURFXML_BUFFER_SET(host_availability_file, peer_availability_file);
2015   SURFXML_BUFFER_SET(host_state_file, peer_state_file);
2016   SURFXML_BUFFER_SET(host_coordinates, "");
2017   SURFXML_START_TAG(host);
2018   SURFXML_END_TAG(host);
2019
2020   XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer_coord);
2021   SURFXML_BUFFER_SET(router_id, router_id);
2022   SURFXML_BUFFER_SET(router_coordinates, peer_coord);
2023   SURFXML_START_TAG(router);
2024   SURFXML_END_TAG(router);
2025
2026   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_up, peer_bw_in, peer_lat);
2027   A_surfxml_link_state = A_surfxml_link_state_ON;
2028   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2029   SURFXML_BUFFER_SET(link_id, link_id_up);
2030   SURFXML_BUFFER_SET(link_bandwidth, peer_bw_in);
2031   SURFXML_BUFFER_SET(link_latency, peer_lat);
2032   SURFXML_BUFFER_SET(link_bandwidth_file, "");
2033   SURFXML_BUFFER_SET(link_latency_file, "");
2034   SURFXML_BUFFER_SET(link_state_file, "");
2035   SURFXML_START_TAG(link);
2036   SURFXML_END_TAG(link);
2037
2038   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_down, peer_bw_out, peer_lat);
2039   A_surfxml_link_state = A_surfxml_link_state_ON;
2040   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2041   SURFXML_BUFFER_SET(link_id, link_id_down);
2042   SURFXML_BUFFER_SET(link_bandwidth, peer_bw_out);
2043   SURFXML_BUFFER_SET(link_latency, peer_lat);
2044   SURFXML_BUFFER_SET(link_bandwidth_file, "");
2045   SURFXML_BUFFER_SET(link_latency_file, "");
2046   SURFXML_BUFFER_SET(link_state_file, "");
2047   SURFXML_START_TAG(link);
2048   SURFXML_END_TAG(link);
2049
2050   XBT_DEBUG(" ");
2051
2052   // begin here
2053   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
2054   XBT_DEBUG("symmetrical=\"NO\">");
2055   SURFXML_BUFFER_SET(route_src, host_id);
2056   SURFXML_BUFFER_SET(route_dst, router_id);
2057   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
2058   SURFXML_START_TAG(route);
2059
2060   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
2061   SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
2062   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
2063   SURFXML_START_TAG(link_ctn);
2064   SURFXML_END_TAG(link_ctn);
2065
2066   XBT_DEBUG("</route>");
2067   SURFXML_END_TAG(route);
2068
2069   //Opposite Route
2070   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
2071   XBT_DEBUG("symmetrical=\"NO\">");
2072   SURFXML_BUFFER_SET(route_src, router_id);
2073   SURFXML_BUFFER_SET(route_dst, host_id);
2074   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
2075   SURFXML_START_TAG(route);
2076
2077   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
2078   SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
2079   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
2080   SURFXML_START_TAG(link_ctn);
2081   SURFXML_END_TAG(link_ctn);
2082
2083   XBT_DEBUG("</route>");
2084   SURFXML_END_TAG(route);
2085
2086   XBT_DEBUG("</AS>");
2087   SURFXML_END_TAG(AS);
2088   XBT_DEBUG(" ");
2089
2090   //xbt_dynar_free(&tab_elements_num);
2091         free(host_id);
2092         free(router_id);
2093         free(link_router);
2094         free(link_backbone);
2095         free(link_id_up);
2096         free(link_id_down);
2097   surfxml_bufferstack_pop(1);
2098 }
2099
2100 static void routing_parse_Srandom(void)
2101 {
2102           double mean, std, min, max, seed;
2103           char *random_id = A_surfxml_random_id;
2104           char *random_radical = A_surfxml_random_radical;
2105           char *rd_name = NULL;
2106           char *rd_value;
2107           surf_parse_get_double(&mean,A_surfxml_random_mean);
2108           surf_parse_get_double(&std,A_surfxml_random_std_deviation);
2109           surf_parse_get_double(&min,A_surfxml_random_min);
2110           surf_parse_get_double(&max,A_surfxml_random_max);
2111           surf_parse_get_double(&seed,A_surfxml_random_seed);
2112
2113           double res = 0;
2114           int i = 0;
2115           random_data_t random = xbt_new0(s_random_data_t, 1);
2116           char *tmpbuf;
2117
2118           xbt_dynar_t radical_elements;
2119           unsigned int iter;
2120           char *groups;
2121           int start, end;
2122           xbt_dynar_t radical_ends;
2123
2124           random->generator = A_surfxml_random_generator;
2125           random->seed = seed;
2126           random->min = min;
2127           random->max = max;
2128
2129           /* Check user stupidities */
2130           if (max < min)
2131             THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
2132           if (mean < min)
2133             THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean,
2134                    min);
2135           if (mean > max)
2136             THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean,
2137                    max);
2138
2139           /* normalize the mean and standard deviation before storing */
2140           random->mean = (mean - min) / (max - min);
2141           random->std = std / (max - min);
2142
2143           if (random->mean * (1 - random->mean) < random->std * random->std)
2144             THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
2145                    random->mean, random->std);
2146
2147           XBT_DEBUG("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
2148           random_id,
2149           random->min,
2150           random->max,
2151           random->mean,
2152           random->std,
2153           random->generator,
2154           random->seed,
2155           random_radical);
2156
2157           if(xbt_dict_size(random_value)==0)
2158                   random_value = xbt_dict_new();
2159
2160           if(!strcmp(random_radical,""))
2161           {
2162                   res = random_generate(random);
2163                   rd_value = bprintf("%f",res);
2164                   xbt_dict_set(random_value, random_id, rd_value, free);
2165           }
2166           else
2167           {
2168                   radical_elements = xbt_str_split(random_radical, ",");
2169                   xbt_dynar_foreach(radical_elements, iter, groups) {
2170                         radical_ends = xbt_str_split(groups, "-");
2171                         switch (xbt_dynar_length(radical_ends)) {
2172                         case 1:
2173                                           xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",random_id);
2174                                           res = random_generate(random);
2175                                           tmpbuf = bprintf("%s%d",random_id,atoi(xbt_dynar_getfirst_as(radical_ends,char *)));
2176                                           xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
2177                                           xbt_free(tmpbuf);
2178                                           break;
2179
2180                         case 2:   surf_parse_get_int(&start,
2181                                                                                  xbt_dynar_get_as(radical_ends, 0, char *));
2182                                           surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
2183                                           for (i = start; i <= end; i++) {
2184                                                   xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",bprintf("%s%d",random_id,i));
2185                                                   res = random_generate(random);
2186                           tmpbuf = bprintf("%s%d",random_id,i);
2187                                                   xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
2188                           xbt_free(tmpbuf);
2189                                           }
2190                                           break;
2191                         default:
2192                                 XBT_INFO("Malformed radical");
2193                         }
2194                         res = random_generate(random);
2195                         rd_name  = bprintf("%s_router",random_id);
2196                         rd_value = bprintf("%f",res);
2197                         xbt_dict_set(random_value, rd_name, rd_value, free);
2198
2199                         xbt_dynar_free(&radical_ends);
2200                   }
2201                   free(rd_name);
2202                   xbt_dynar_free(&radical_elements);
2203           }
2204 }
2205
2206 static void routing_parse_Erandom(void)
2207 {
2208         xbt_dict_cursor_t cursor = NULL;
2209         char *key;
2210         char *elem;
2211
2212         xbt_dict_foreach(random_value, cursor, key, elem) {
2213           XBT_DEBUG("%s = %s",key,elem);
2214         }
2215
2216 }
2217
2218
2219 /*
2220  * New methods to init the routing model component from the lua script
2221  */
2222
2223 /*
2224  * calling parse_S_AS_lua with lua values
2225  */
2226 void routing_AS_init(const char *AS_id, const char *AS_routing)
2227 {
2228   parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
2229 }
2230
2231 /*
2232  * calling parse_E_AS_lua to fisnish the creation of routing component
2233  */
2234 void routing_AS_end(const char *AS_id)
2235 {
2236   parse_E_AS_lua((char *) AS_id);
2237 }
2238
2239 /*
2240  * add a host to the network element list
2241  */
2242
2243 void routing_add_host(const char *host_id)
2244 {
2245   parse_S_host_lua((char *) host_id, (char*)""); // FIXME propagate coordinate system to lua
2246 }
2247
2248 /*
2249  * Set a new link on the actual list of link for a route or ASroute
2250  */
2251 void routing_add_link(const char *link_id)
2252 {
2253   parse_E_link_c_ctn_new_elem_lua((char *) link_id);
2254 }
2255
2256 /*
2257  *Set the endpoints for a route
2258  */
2259 void routing_set_route(const char *src_id, const char *dst_id)
2260 {
2261   parse_S_route_new_and_endpoints_lua(src_id, dst_id);
2262 }
2263
2264 /*
2265  * Store the route by calling parse_E_route_store_route
2266  */
2267 void routing_store_route(void)
2268 {
2269   parse_E_route_store_route();
2270 }