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
   8
   9 #include <float.h>
  10 #include "gras_config.h"
  11
  12 #ifdef HAVE_PCRE_LIB
  13 #include <pcre.h>               /* regular expresion library */
  14 #endif
  15 #include "surf_private.h"
  16 #include "xbt/dynar.h"
  17 #include "xbt/str.h"
  18 #include "xbt/config.h"
  19 #include "xbt/graph.h"
  20 #include "xbt/set.h"
  21 #include "surf/surfxml_parse.h"
  22
  23 xbt_dict_t patterns = NULL;
  24 xbt_dict_t random_value = NULL;
  25
  26 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
  27
  28 /* Global vars */
  29 routing_global_t global_routing = NULL;
  30 routing_component_t current_routing = NULL;
  31 model_type_t current_routing_model = NULL;
  32 static double_f_cpvoid_t get_link_latency = NULL;
  33
  34 /* Prototypes of each model */
  35 static void *model_full_create(void);   /* create structures for full routing model */
  36 static void model_full_load(void);      /* load parse functions for full routing model */
  37 static void model_full_unload(void);    /* unload parse functions for full routing model */
  38 static void model_full_end(void);       /* finalize the creation of full routing model */
  39 static void model_full_set_route(               /* Set the route and ASroute between src and dst */
  40                 routing_component_t rc, const char *src, const char *dst, name_route_extended_t route);
  41
  42 static void *model_floyd_create(void);  /* create structures for floyd routing model */
  43 static void model_floyd_load(void);     /* load parse functions for floyd routing model */
  44 static void model_floyd_unload(void);   /* unload parse functions for floyd routing model */
  45 static void model_floyd_end(void);      /* finalize the creation of floyd routing model */
  46 static void model_floyd_set_route(routing_component_t rc, const char *src,
  47         const char *dst, name_route_extended_t route);
  48
  49 static void *model_dijkstra_both_create(int cached);    /* create by calling dijkstra or dijkstracache */
  50 static void *model_dijkstra_create(void);       /* create structures for dijkstra routing model */
  51 static void *model_dijkstracache_create(void);  /* create structures for dijkstracache routing model */
  52 static void model_dijkstra_both_load(void);     /* load parse functions for dijkstra routing model */
  53 static void model_dijkstra_both_unload(void);   /* unload parse functions for dijkstra routing model */
  54 static void model_dijkstra_both_end(void);      /* finalize the creation of dijkstra routing model */
  55 static void model_dijkstra_both_set_route (routing_component_t rc, const char *src,
  56                      const char *dst, name_route_extended_t route);
  57
  58 static void *model_rulebased_create(void);      /* create structures for rulebased routing model */
  59 static void model_rulebased_load(void); /* load parse functions for rulebased routing model */
  60 static void model_rulebased_unload(void);       /* unload parse functions for rulebased routing model */
  61 static void model_rulebased_end(void);  /* finalize the creation of rulebased routing model */
  62
  63 static void *model_none_create(void);   /* none routing model */
  64 static void model_none_load(void);      /* none routing model */
  65 static void model_none_unload(void);    /* none routing model */
  66 static void model_none_end(void);       /* none routing model */
  67
  68 static void routing_parse_Scluster(void);  /*cluster bypass */
  69 static void routing_parse_Speer(void);          /*peer bypass */
  70 static void routing_parse_Srandom(void);        /*random bypass */
  71 static void routing_parse_Erandom(void);        /*random bypass */
  72
  73 static void routing_parse_Sconfig(void);        /*config Tag */
  74 static void routing_parse_Econfig(void);        /*config Tag */
  75
  76 static char* replace_random_parameter(char * chaine);
  77 static void clean_dict_random(void);
  78
  79 /* this lines are only for replace use like index in the model table */
  80 typedef enum {
  81   SURF_MODEL_FULL = 0,
  82   SURF_MODEL_FLOYD,
  83   SURF_MODEL_DIJKSTRA,
  84   SURF_MODEL_DIJKSTRACACHE,
  85   SURF_MODEL_NONE,
  86 #ifdef HAVE_PCRE_LIB
  87   SURF_MODEL_RULEBASED
  88 #endif
  89 } e_routing_types;
  90
  91
  92 /* must be finish with null and carefull if change de order */
  93 struct s_model_type routing_models[] = { {"Full",
  94                                           "Full routing data (fast, large memory requirements, fully expressive)",
  95                                           model_full_create,
  96                                           model_full_load,
  97                                           model_full_unload,
  98                                           model_full_end},
  99 {"Floyd",
 100  "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
 101  model_floyd_create, model_floyd_load, model_floyd_unload,
 102  model_floyd_end},
 103 {"Dijkstra",
 104  "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
 105  model_dijkstra_create, model_dijkstra_both_load,
 106  model_dijkstra_both_unload, model_dijkstra_both_end},
 107 {"DijkstraCache",
 108  "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
 109  model_dijkstracache_create, model_dijkstra_both_load,
 110  model_dijkstra_both_unload, model_dijkstra_both_end},
 111 {"none", "No routing (usable with Constant network only)",
 112  model_none_create, model_none_load, model_none_unload, model_none_end},
 113 #ifdef HAVE_PCRE_LIB
 114 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
 115  model_rulebased_load, model_rulebased_unload, model_rulebased_end},
 116 {"Vivaldi", "Vivaldi routing", model_rulebased_create,
 117   model_rulebased_load, model_rulebased_unload, model_rulebased_end},
 118 #endif
 119 {NULL, NULL, NULL, NULL, NULL, NULL}
 120 };
 121
 122 /* ************************************************************************** */
 123 /* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
 124
 125 static void generic_set_processing_unit(routing_component_t rc,
 126                                         const char *name);
 127 static void generic_set_autonomous_system(routing_component_t rc,
 128                                           const char *name);
 129 static void generic_set_bypassroute(routing_component_t rc,
 130                                     const char *src, const char *dst,
 131                                     route_extended_t e_route);
 132
 133 static int surf_link_resource_cmp(const void *a, const void *b);
 134 static int surf_pointer_resource_cmp(const void *a, const void *b);
 135
 136 /* ************************************************************************** */
 137 /* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
 138
 139 static double generic_get_link_latency(routing_component_t rc, const char *src, const char *dst);
 140 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc);
 141 static route_extended_t generic_get_bypassroute(routing_component_t rc,
 142                                                 const char *src,
 143                                                 const char *dst);
 144
 145 /* ************************************************************************** */
 146 /* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
 147
 148 static route_extended_t
 149 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
 150                            void *data, int order);
 151 static route_t
 152 generic_new_route(e_surf_routing_hierarchy_t hierarchy,
 153                            void *data, int order);
 154 static void generic_free_route(route_t route);
 155 static void generic_free_extended_route(route_extended_t e_route);
 156 static routing_component_t
 157 generic_autonomous_system_exist(routing_component_t rc, char *element);
 158 static routing_component_t
 159 generic_processing_units_exist(routing_component_t rc, char *element);
 160 static void generic_src_dst_check(routing_component_t rc, const char *src,
 161                                   const char *dst);
 162
 163 /* ************************************************************************** */
 164 /* **************************** GLOBAL FUNCTIONS **************************** */
 165
 166 /* global parse functions */
 167 static const char *src = NULL;        /* temporary store the source name of a route */
 168 static const char *dst = NULL;        /* temporary store the destination name of a route */
 169 static char *gw_src = NULL;     /* temporary store the gateway source name of a route */
 170 static char *gw_dst = NULL;     /* temporary store the gateway destination name of a route */
 171 static xbt_dynar_t link_list = NULL;    /* temporary store of current list link of a route */
 172
 173 static xbt_dict_t coordinates = NULL;
 174
 175
 176 static double eculidean_dist_comp(int index, xbt_dynar_t src, xbt_dynar_t dst)
 177 {
 178         double src_coord, dst_coord;
 179
 180         src_coord = atof(xbt_dynar_get_as(src, index, char *));
 181         dst_coord = atof(xbt_dynar_get_as(dst, index, char *));
 182
 183         return (src_coord-dst_coord)*(src_coord-dst_coord);
 184
 185 }
 186
 187 static double vivaldi_get_link_latency (routing_component_t rc,const char *src, const char *dst)
 188 {
 189   double euclidean_dist;
 190   xbt_dynar_t src_ctn, dst_ctn;
 191   src_ctn = xbt_dict_get(coordinates, src);
 192   dst_ctn = xbt_dict_get(coordinates, dst);
 193
 194   euclidean_dist = sqrt (eculidean_dist_comp(0,src_ctn,dst_ctn)+eculidean_dist_comp(1,src_ctn,dst_ctn))
 195                                                                 +fabs(atof(xbt_dynar_get_as(src_ctn, 2, char *)))+fabs(atof(xbt_dynar_get_as(dst_ctn, 2, char *)));
 196
 197   xbt_assert2(euclidean_dist>=0, "Euclidean Dist is less than 0\"%s\" and \"%.2f\"", src, euclidean_dist);
 198
 199   return euclidean_dist;
 200
 201   /*
 202   x = atof(xbt_dynar_get_as(src_ctn, 0, char *))-atof(xbt_dynar_get_as(dst_ctn, 0, char *));
 203   y = atof(xbt_dynar_get_as(src_ctn, 1, char *));
 204   h = atof(xbt_dynar_get_as(ctn, 2, char *));
 205   sqrt((c1->x - c2->x) * (c1->x - c2->x) + (c1->y - c2->y) * (c1->y - c2->y)) + fabs(c1->h) + fabs(c2->h);
 206
 207           if (strcmp(coord,"")) {
 208         xbt_dynar_t ctn = xbt_str_split_str(coord, " ");
 209         xbt_dynar_shrink(ctn,0);
 210         xbt_dict_set (coordinates,host_id,ctn,NULL);
 211   }
 212         */
 213 }
 214
 215 /**
 216  * \brief Add a "host" to the network element list
 217  */
 218 static void parse_S_host(const char *host_id, const char* coord)
 219 {
 220   network_element_info_t info = NULL;
 221   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 222     current_routing->hierarchy = SURF_ROUTING_BASE;
 223   xbt_assert1(!xbt_lib_get_or_null(host_lib, host_id,ROUTING_HOST_LEVEL),
 224               "Reading a host, processing unit \"%s\" already exists",
 225               host_id);
 226   xbt_assert1(current_routing->set_processing_unit,
 227               "no defined method \"set_processing_unit\" in \"%s\"",
 228               current_routing->name);
 229   (*(current_routing->set_processing_unit)) (current_routing, host_id);
 230   info = xbt_new0(s_network_element_info_t, 1);
 231   info->rc_component = current_routing;
 232   info->rc_type = SURF_NETWORK_ELEMENT_HOST;
 233   xbt_lib_set(host_lib,host_id,ROUTING_HOST_LEVEL,(void *) info);
 234   if (strcmp(coord,"")) {
 235     xbt_dynar_t ctn = xbt_str_split_str(coord, " ");
 236     xbt_dynar_shrink(ctn, 0);
 237     xbt_dict_set(coordinates, host_id, ctn, xbt_dynar_free_voidp);
 238   }
 239 }
 240
 241 static void parse_E_host(void)
 242 {
 243          xbt_dict_cursor_t cursor = NULL;
 244           char *key;
 245           char *elem;
 246
 247           xbt_dict_foreach(current_property_set, cursor, key, elem) {
 248                   XBT_DEBUG("property : %s = %s",key,elem);
 249                 }
 250 }
 251
 252 /*
 253  * \brief Add a host to the network element list from XML
 254  */
 255 static void parse_S_host_XML(void)
 256 {
 257         parse_S_host(A_surfxml_host_id, A_surfxml_host_coordinates);
 258 }
 259 static void parse_E_host_XML(void)
 260 {
 261         parse_E_host();
 262 }
 263
 264 /*
 265  * \brief Add a host to the network element list from lua script
 266  */
 267 static void parse_S_host_lua(const char *host_id, const char *coord)
 268 {
 269   parse_S_host(host_id, coord);
 270 }
 271
 272
 273 /**
 274  * \brief Add a "router" to the network element list
 275  */
 276 static void parse_S_router(const char *router_id)
 277 {
 278   network_element_info_t info = NULL;
 279
 280   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 281     current_routing->hierarchy = SURF_ROUTING_BASE;
 282   xbt_assert1(!xbt_lib_get_or_null(as_router_lib,A_surfxml_router_id, ROUTING_ASR_LEVEL),
 283               "Reading a router, processing unit \"%s\" already exists",
 284               router_id);
 285   xbt_assert1(current_routing->set_processing_unit,
 286               "no defined method \"set_processing_unit\" in \"%s\"",
 287               current_routing->name);
 288   (*(current_routing->set_processing_unit)) (current_routing,
 289                                              router_id);
 290   info = xbt_new0(s_network_element_info_t, 1);
 291   info->rc_component = current_routing;
 292   info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
 293
 294   xbt_lib_set(as_router_lib,router_id,ROUTING_ASR_LEVEL,(void *) info);
 295   if (strcmp(A_surfxml_router_coordinates,"")) {
 296           xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_router_coordinates, " ");
 297           xbt_dynar_shrink(ctn, 0);
 298           xbt_lib_set(as_router_lib,router_id,COORD_ASR_LEVEL,(void *) ctn);
 299   }
 300 }
 301
 302 /**
 303  * brief Add a "router" to the network element list from XML description
 304  */
 305 static void parse_S_router_XML(void)
 306 {
 307         return parse_S_router(A_surfxml_router_id);
 308 }
 309
 310 /**
 311  * brief Add a "router" to the network element list from XML description
 312  */
 313 static void parse_S_router_lua(const char* router_id)
 314 {
 315         return parse_S_router(router_id);
 316 }
 317
 318 /**
 319  * \brief Set the endponints for a route
 320  */
 321 static void parse_S_route_new_and_endpoints(const char *src_id, const char *dst_id)
 322 {
 323   if (src != NULL && dst != NULL && link_list != NULL)
 324     THROW2(arg_error, 0, "Route between %s to %s can not be defined",
 325            src_id, dst_id);
 326   src = src_id;
 327   dst = dst_id;
 328   xbt_assert2(strlen(src) > 0 || strlen(dst) > 0,
 329               "Some limits are null in the route between \"%s\" and \"%s\"",
 330               src, dst);
 331   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 332 }
 333
 334 /**
 335  * \brief Set the endpoints for a route from XML
 336  */
 337 static void parse_S_route_new_and_endpoints_XML(void)
 338 {
 339   parse_S_route_new_and_endpoints(A_surfxml_route_src,
 340                                   A_surfxml_route_dst);
 341 }
 342
 343 /**
 344  * \brief Set the endpoints for a route from lua
 345  */
 346 static void parse_S_route_new_and_endpoints_lua(const char *id_src, const char *id_dst)
 347 {
 348   parse_S_route_new_and_endpoints(id_src, id_dst);
 349 }
 350
 351 /**
 352  * \brief Set the endponints and gateways for a ASroute
 353  */
 354 static void parse_S_ASroute_new_and_endpoints(void)
 355 {
 356   if (src != NULL && dst != NULL && link_list != NULL)
 357     THROW2(arg_error, 0, "Route between %s to %s can not be defined",
 358            A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
 359   src = A_surfxml_ASroute_src;
 360   dst = A_surfxml_ASroute_dst;
 361   gw_src = A_surfxml_ASroute_gw_src;
 362   gw_dst = A_surfxml_ASroute_gw_dst;
 363   xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 364               || strlen(gw_dst) > 0,
 365               "Some limits are null in the route between \"%s\" and \"%s\"",
 366               src, dst);
 367   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 368 }
 369
 370 /**
 371  * \brief Set the endponints for a bypassRoute
 372  */
 373 static void parse_S_bypassRoute_new_and_endpoints(void)
 374 {
 375   if (src != NULL && dst != NULL && link_list != NULL)
 376     THROW2(arg_error, 0,
 377            "Bypass Route between %s to %s can not be defined",
 378            A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
 379   src = A_surfxml_bypassRoute_src;
 380   dst = A_surfxml_bypassRoute_dst;
 381   gw_src = A_surfxml_bypassRoute_gw_src;
 382   gw_dst = A_surfxml_bypassRoute_gw_dst;
 383   xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 384               || strlen(gw_dst) > 0,
 385               "Some limits are null in the route between \"%s\" and \"%s\"",
 386               src, dst);
 387   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 388 }
 389
 390 /**
 391  * \brief Set a new link on the actual list of link for a route or ASroute
 392  */
 393 static void parse_E_link_ctn_new_elem(const char *link_id)
 394 {
 395   char *val;
 396   val = xbt_strdup(link_id);
 397   xbt_dynar_push(link_list, &val);
 398 }
 399
 400 /**
 401  * \brief Set a new link on the actual list of link for a route or ASroute from XML
 402  */
 403
 404 static void parse_E_link_ctn_new_elem_XML(void)
 405 {
 406   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_NONE)
 407     parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
 408   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_UP) {
 409     char *link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
 410     parse_E_link_ctn_new_elem(link_id);
 411     free(link_id);
 412   }
 413   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_DOWN) {
 414     char *link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
 415     parse_E_link_ctn_new_elem(link_id);
 416     free(link_id);
 417   }
 418 }
 419
 420 /**
 421  * \brief Set a new link on the actual list of link for a route or ASroute from lua
 422  */
 423 static void parse_E_link_c_ctn_new_elem_lua(const char *link_id)
 424 {
 425   parse_E_link_ctn_new_elem(link_id);
 426 }
 427
 428 /**
 429  * \brief Store the route by calling the set_route function of the current routing component
 430  */
 431 static void parse_E_route_store_route(void)
 432 {
 433   name_route_extended_t route = xbt_new0(s_name_route_extended_t, 1);
 434   route->generic_route.link_list = link_list;
 435   xbt_assert1(current_routing->set_route,
 436               "no defined method \"set_route\" in \"%s\"",
 437               current_routing->name);
 438   (*(current_routing->set_route)) (current_routing, src, dst, route);
 439   link_list = NULL;
 440   src = NULL;
 441   dst = NULL;
 442 }
 443
 444 /**
 445  * \brief Store the ASroute by calling the set_ASroute function of the current routing component
 446  */
 447 static void parse_E_ASroute_store_route(void)
 448 {
 449   name_route_extended_t e_route = xbt_new0(s_name_route_extended_t, 1);
 450   e_route->generic_route.link_list = link_list;
 451   e_route->src_gateway = xbt_strdup(gw_src);
 452   e_route->dst_gateway = xbt_strdup(gw_dst);
 453   xbt_assert1(current_routing->set_ASroute,
 454               "no defined method \"set_ASroute\" in \"%s\"",
 455               current_routing->name);
 456   (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
 457   link_list = NULL;
 458   src = NULL;
 459   dst = NULL;
 460   gw_src = NULL;
 461   gw_dst = NULL;
 462 }
 463
 464 /**
 465  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 466  */
 467 static void parse_E_bypassRoute_store_route(void)
 468 {
 469   route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
 470   e_route->generic_route.link_list = link_list;
 471   e_route->src_gateway = xbt_strdup(gw_src);
 472   e_route->dst_gateway = xbt_strdup(gw_dst);
 473   xbt_assert1(current_routing->set_bypassroute,
 474               "no defined method \"set_bypassroute\" in \"%s\"",
 475               current_routing->name);
 476   (*(current_routing->set_bypassroute)) (current_routing, src, dst,
 477                                          e_route);
 478   link_list = NULL;
 479   src = NULL;
 480   dst = NULL;
 481   gw_src = NULL;
 482   gw_dst = NULL;
 483 }
 484
 485 /**
 486  * \brief Make a new routing component
 487  *
 488  * make the new structure and
 489  * set the parsing functions to allows parsing the part of the routing tree
 490  */
 491 static void parse_S_AS(char *AS_id, char *AS_routing)
 492 {
 493   routing_component_t new_routing;
 494   model_type_t model = NULL;
 495   char *wanted = AS_routing;
 496   int cpt;
 497   /* seach the routing model */
 498   for (cpt = 0; routing_models[cpt].name; cpt++)
 499     if (!strcmp(wanted, routing_models[cpt].name))
 500       model = &routing_models[cpt];
 501   /* if its not exist, error */
 502   if (model == NULL) {
 503     fprintf(stderr, "Routing model %s not found. Existing models:\n",
 504             wanted);
 505     for (cpt = 0; routing_models[cpt].name; cpt++)
 506       if (!strcmp(wanted, routing_models[cpt].name))
 507         fprintf(stderr, "   %s: %s\n", routing_models[cpt].name,
 508                 routing_models[cpt].desc);
 509     xbt_die(NULL);
 510   }
 511
 512   /* make a new routing component */
 513   new_routing = (routing_component_t) (*(model->create)) ();
 514   new_routing->routing = model;
 515   new_routing->hierarchy = SURF_ROUTING_NULL;
 516   new_routing->name = xbt_strdup(AS_id);
 517   new_routing->routing_sons = xbt_dict_new();
 518
 519   /* Hack for Vivaldi */
 520   if(!strcmp(model->name,"Vivaldi"))
 521         new_routing->get_latency = vivaldi_get_link_latency;
 522
 523   if (current_routing == NULL && global_routing->root == NULL) {
 524
 525     /* it is the first one */
 526     new_routing->routing_father = NULL;
 527     global_routing->root = new_routing;
 528
 529   } else if (current_routing != NULL && global_routing->root != NULL) {
 530
 531     xbt_assert1(!xbt_dict_get_or_null
 532                 (current_routing->routing_sons, AS_id),
 533                 "The AS \"%s\" already exists", AS_id);
 534     /* it is a part of the tree */
 535     new_routing->routing_father = current_routing;
 536     /* set the father behavior */
 537     if (current_routing->hierarchy == SURF_ROUTING_NULL)
 538       current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
 539     /* add to the sons dictionary */
 540     xbt_dict_set(current_routing->routing_sons, AS_id,
 541                  (void *) new_routing, NULL);
 542     /* add to the father element list */
 543     (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
 544     /* unload the prev parse rules */
 545     (*(current_routing->routing->unload)) ();
 546
 547   } else {
 548     THROW0(arg_error, 0, "All defined components must be belong to a AS");
 549   }
 550   /* set the new parse rules */
 551   (*(new_routing->routing->load)) ();
 552   /* set the new current component of the tree */
 553   current_routing = new_routing;
 554 }
 555
 556 /*
 557  * Detect the routing model type of the routing component from XML platforms
 558  */
 559 static void parse_S_AS_XML(void)
 560 {
 561   parse_S_AS(A_surfxml_AS_id, A_surfxml_AS_routing);
 562
 563   if (strcmp(A_surfxml_AS_coordinates,"")) {
 564     XBT_DEBUG("%s coordinates : %s", A_surfxml_AS_id, A_surfxml_AS_coordinates);
 565     xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_AS_coordinates, " ");
 566     xbt_dynar_shrink(ctn, 0);
 567     xbt_dict_set(coordinates, A_surfxml_AS_id, ctn, xbt_dynar_free_voidp);
 568   }
 569 }
 570
 571 /*
 572  * define the routing model type of routing component from lua script
 573  */
 574 static void parse_S_AS_lua(char *id, char *mode)
 575 {
 576   parse_S_AS(id, mode);
 577 }
 578
 579
 580 /**
 581  * \brief Finish the creation of a new routing component
 582  *
 583  * When you finish to read the routing component, other structures must be created.
 584  * the "end" method allow to do that for any routing model type
 585  */
 586 static void parse_E_AS(const char *AS_id)
 587 {
 588
 589   if (current_routing == NULL) {
 590     THROW1(arg_error, 0, "Close AS(%s), that never open", AS_id);
 591   } else {
 592     network_element_info_t info = NULL;
 593     xbt_assert1(!xbt_lib_get_or_null(as_router_lib,current_routing->name, ROUTING_ASR_LEVEL),
 594                 "The AS \"%s\" already exists",current_routing->name);
 595     info = xbt_new0(s_network_element_info_t, 1);
 596     info->rc_component = current_routing->routing_father;
 597     info->rc_type = SURF_NETWORK_ELEMENT_AS;
 598     xbt_lib_set(as_router_lib,current_routing->name,ROUTING_ASR_LEVEL,(void *) info);
 599
 600     (*(current_routing->routing->unload)) ();
 601     (*(current_routing->routing->end)) ();
 602     current_routing = current_routing->routing_father;
 603     if (current_routing != NULL)
 604       (*(current_routing->routing->load)) ();
 605   }
 606 }
 607
 608 /*
 609  * \brief Finish the creation of a new routing component from XML
 610  */
 611 static void parse_E_AS_XML(void)
 612 {
 613   parse_E_AS(A_surfxml_AS_id);
 614 }
 615
 616 /*
 617  * \brief Finish the creation of a new routing component from lua
 618  */
 619 static void parse_E_AS_lua(const char *id)
 620 {
 621   parse_E_AS(id);
 622 }
 623
 624 /* Aux Business methods */
 625
 626 /**
 627  * \brief Get the AS name of the element
 628  *
 629  * \param name the host name
 630  *
 631  */
 632 static char* elements_As_name(const char *name)
 633 {
 634   routing_component_t as_comp;
 635
 636   /* (1) find the as where the host is located */
 637   as_comp = ((network_element_info_t)
 638             xbt_lib_get_or_null(host_lib,name, ROUTING_HOST_LEVEL))->rc_component;
 639   return as_comp->name;
 640 }
 641
 642
 643 /**
 644  * \brief Get the AS father and the first elements of the chain
 645  *
 646  * \param src the source host name
 647  * \param dst the destination host name
 648  *
 649  * Get the common father of the to processing units, and the first different
 650  * father in the chain
 651  */
 652 static xbt_dynar_t elements_father(const char *src, const char *dst)
 653 {
 654
 655   xbt_assert0(src && dst, "bad parameters for \"elements_father\" method");
 656
 657   xbt_dynar_t result = xbt_dynar_new(sizeof(char *), NULL);
 658
 659   routing_component_t src_as, dst_as;
 660   int index_src, index_dst, index_father_src, index_father_dst;
 661   xbt_dynar_t path_src = NULL;
 662   xbt_dynar_t path_dst = NULL;
 663   routing_component_t current = NULL;
 664   routing_component_t *current_src = NULL;
 665   routing_component_t *current_dst = NULL;
 666   routing_component_t *father = NULL;
 667
 668   /* (1) find the as where the src and dst are located */
 669   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
 670   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
 671   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
 672   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
 673   src_as = ((network_element_info_t)src_data)->rc_component;
 674   dst_as = ((network_element_info_t)dst_data)->rc_component;
 675
 676   xbt_assert2(src_as
 677               && dst_as,
 678               "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
 679               dst);
 680
 681   /* (2) find the path to the root routing component */
 682   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
 683   current = src_as;
 684   while (current != NULL) {
 685     xbt_dynar_push(path_src, &current);
 686     current = current->routing_father;
 687   }
 688   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
 689   current = dst_as;
 690   while (current != NULL) {
 691     xbt_dynar_push(path_dst, &current);
 692     current = current->routing_father;
 693   }
 694
 695   /* (3) find the common father */
 696   index_src = path_src->used - 1;
 697   index_dst = path_dst->used - 1;
 698   current_src = xbt_dynar_get_ptr(path_src, index_src);
 699   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
 700   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
 701     current_src = xbt_dynar_get_ptr(path_src, index_src);
 702     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
 703     index_src--;
 704     index_dst--;
 705   }
 706   index_src++;
 707   index_dst++;
 708   current_src = xbt_dynar_get_ptr(path_src, index_src);
 709   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
 710
 711   /* (4) they are not in the same routing component, make the path */
 712   index_father_src = index_src + 1;
 713   index_father_dst = index_dst + 1;
 714
 715   if (*current_src == *current_dst)
 716     father = current_src;
 717   else
 718     father = xbt_dynar_get_ptr(path_src, index_father_src);
 719
 720   /* (5) result generation */
 721   xbt_dynar_push(result, father);       /* first same the father of src and dst */
 722   xbt_dynar_push(result, current_src);  /* second the first different father of src */
 723   xbt_dynar_push(result, current_dst);  /* three  the first different father of dst */
 724
 725   xbt_dynar_free(&path_src);
 726   xbt_dynar_free(&path_dst);
 727
 728   return result;
 729 }
 730
 731 /* Global Business methods */
 732
 733 /**
 734  * \brief Recursive function for get_route
 735  *
 736  * \param src the source host name
 737  * \param dst the destination host name
 738  *
 739  * This fuction is call by "get_route". It allow to walk through the
 740  * routing components tree.
 741  */
 742 static route_extended_t _get_route(const char *src, const char *dst)
 743 {
 744
 745   void *link;
 746   unsigned int cpt = 0;
 747
 748   XBT_DEBUG("Solve route  \"%s\" to \"%s\"", src, dst);
 749
 750   xbt_assert0(src && dst, "bad parameters for \"_get_route\" method");
 751
 752   route_extended_t e_route, e_route_cnt, e_route_src = NULL, e_route_dst =
 753       NULL;
 754
 755   xbt_dynar_t elem_father_list = elements_father(src, dst);
 756
 757   routing_component_t common_father =
 758       xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
 759   routing_component_t src_father =
 760       xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
 761   routing_component_t dst_father =
 762       xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
 763
 764   e_route = xbt_new0(s_route_extended_t, 1);
 765   e_route->src_gateway = NULL;
 766   e_route->dst_gateway = NULL;
 767   e_route->generic_route.link_list =
 768       xbt_dynar_new(global_routing->size_of_link, NULL);
 769
 770   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
 771
 772     if (strcmp(src, dst)) {
 773       e_route_cnt =
 774           (*(common_father->get_route)) (common_father, src, dst);
 775       xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"", src,
 776                   dst);
 777       xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 778         xbt_dynar_push(e_route->generic_route.link_list, &link);
 779       }
 780       generic_free_extended_route(e_route_cnt);
 781     }
 782
 783   } else {                      /* SURF_ROUTING_RECURSIVE */
 784
 785     route_extended_t e_route_bypass = NULL;
 786
 787     if (common_father->get_bypass_route)
 788       e_route_bypass =
 789           (*(common_father->get_bypass_route)) (common_father, src, dst);
 790
 791     if (e_route_bypass)
 792       e_route_cnt = e_route_bypass;
 793     else
 794       e_route_cnt =
 795           (*(common_father->get_route)) (common_father, src_father->name,
 796                                          dst_father->name);
 797
 798     xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"",
 799                 src_father->name, dst_father->name);
 800
 801     xbt_assert2((e_route_cnt->src_gateway == NULL) ==
 802                 (e_route_cnt->dst_gateway == NULL),
 803                 "bad gateway for route between \"%s\" and \"%s\"", src,
 804                 dst);
 805
 806     if (strcmp(src, e_route_cnt->src_gateway)) {
 807       e_route_src = _get_route(src, e_route_cnt->src_gateway);
 808       xbt_assert2(e_route_src, "no route between \"%s\" and \"%s\"", src,
 809                   e_route_cnt->src_gateway);
 810       xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
 811         xbt_dynar_push(e_route->generic_route.link_list, &link);
 812       }
 813     }
 814
 815     xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 816       xbt_dynar_push(e_route->generic_route.link_list, &link);
 817     }
 818
 819     if (strcmp(e_route_cnt->dst_gateway, dst)) {
 820       e_route_dst = _get_route(e_route_cnt->dst_gateway, dst);
 821       xbt_assert2(e_route_dst, "no route between \"%s\" and \"%s\"",
 822                   e_route_cnt->dst_gateway, dst);
 823       xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
 824         xbt_dynar_push(e_route->generic_route.link_list, &link);
 825       }
 826     }
 827
 828     e_route->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
 829     e_route->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
 830
 831     generic_free_extended_route(e_route_src);
 832     generic_free_extended_route(e_route_cnt);
 833     generic_free_extended_route(e_route_dst);
 834   }
 835
 836   xbt_dynar_free(&elem_father_list);
 837
 838   return e_route;
 839 }
 840
 841 static double _get_latency(const char *src, const char *dst)
 842 {
 843   double latency, latency_src, latency_dst = 0.0;
 844
 845   XBT_DEBUG("Solve route  \"%s\" to \"%s\"", src, dst);
 846   xbt_assert0(src && dst, "bad parameters for \"_get_route\" method");
 847
 848   route_extended_t e_route_cnt;
 849
 850   xbt_dynar_t elem_father_list = elements_father(src, dst);
 851
 852   routing_component_t common_father =
 853       xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
 854   routing_component_t src_father =
 855       xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
 856   routing_component_t dst_father =
 857       xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
 858
 859   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
 860
 861     if (strcmp(src, dst)) {
 862       latency =
 863           (*(common_father->get_latency)) (common_father, src, dst);
 864       xbt_assert2(latency>=0, "no route between \"%s\" and \"%s\"", src,
 865                   dst);
 866      } else latency = 0;
 867   } else {                      /* SURF_ROUTING_RECURSIVE */
 868      route_extended_t e_route_bypass = NULL;
 869     if (common_father->get_bypass_route)
 870       e_route_bypass =
 871           (*(common_father->get_bypass_route)) (common_father, src, dst);
 872
 873     xbt_assert0(!e_route_bypass,"Bypass cannot work yet with get_latency");
 874
 875     e_route_cnt =
 876           (*(common_father->get_route)) (common_father, src_father->name,
 877                                          dst_father->name);
 878
 879     xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"",
 880                 src_father->name, dst_father->name);
 881
 882     xbt_assert2((e_route_cnt->src_gateway == NULL) ==
 883                 (e_route_cnt->dst_gateway == NULL),
 884                 "bad gateway for route between \"%s\" and \"%s\"", src,
 885                 dst);
 886     latency =
 887           (*(common_father->get_latency)) (common_father, elements_As_name(src),
 888                           elements_As_name(dst));
 889
 890     xbt_assert2(latency>=0, "no route between \"%s\" and \"%s\"",
 891                 src_father->name, dst_father->name);
 892
 893
 894     if (src != e_route_cnt->src_gateway) {
 895
 896       latency_src = _get_latency(src, e_route_cnt->src_gateway);
 897       xbt_assert2(latency_src>=0, "no route between \"%s\" and \"%s\"", src,
 898                   e_route_cnt->src_gateway);
 899       latency += latency_src;
 900     }
 901
 902     if (e_route_cnt->dst_gateway != dst) {
 903
 904       latency_dst = _get_latency(e_route_cnt->dst_gateway, dst);
 905       xbt_assert2(latency_dst>=0, "no route between \"%s\" and \"%s\"",
 906                   e_route_cnt->dst_gateway, dst);
 907       latency += latency_dst;
 908     }
 909
 910   }
 911
 912   xbt_dynar_free(&elem_father_list);
 913
 914   return latency;
 915 }
 916
 917 /**
 918  * \brief Generic method: find a route between hosts
 919  *
 920  * \param src the source host name
 921  * \param dst the destination host name
 922  *
 923  * walk through the routing components tree and find a route between hosts
 924  * by calling the differents "get_route" functions in each routing component.
 925  * No need to free the returned dynar. It will be freed at the next call.
 926  */
 927 static xbt_dynar_t get_route(const char *src, const char *dst)
 928 {
 929
 930   route_extended_t e_route;
 931   xbt_dynar_t elem_father_list = NULL;
 932   routing_component_t common_father = NULL;
 933
 934   if (strcmp(src, dst))
 935     e_route = _get_route(src, dst);
 936   else {
 937     elem_father_list = elements_father(src, dst);
 938     common_father =
 939         xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
 940
 941     e_route = (*(common_father->get_route)) (common_father, src, dst);
 942     xbt_dynar_free(&elem_father_list);
 943   }
 944
 945   xbt_assert2(e_route, "no route between \"%s\" and \"%s\"", src, dst);
 946
 947   if (global_routing->last_route)
 948     xbt_dynar_free(&(global_routing->last_route));
 949   global_routing->last_route = e_route->generic_route.link_list;
 950
 951   if (e_route->src_gateway)
 952     xbt_free(e_route->src_gateway);
 953   if (e_route->dst_gateway)
 954     xbt_free(e_route->dst_gateway);
 955
 956   xbt_free(e_route);
 957
 958 /*
 959   if (xbt_dynar_length(global_routing->last_route) == 0)
 960     return NULL;
 961   else
 962 */
 963     return global_routing->last_route;
 964 }
 965
 966 /**
 967  * \brief Generic method: find a route between hosts
 968  *
 969  * \param src the source host name
 970  * \param dst the destination host name
 971  *
 972  * walk through the routing components tree and find a route between hosts
 973  * by calling the differents "get_route" functions in each routing component.
 974  * Leaves the caller the responsability to clean the returned dynar.
 975  */
 976 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
 977 {
 978         xbt_dynar_t d = get_route(src,dst);
 979         global_routing->last_route = NULL;
 980         return d;
 981 }
 982
 983 /*Get Latency*/
 984 static double get_latency(const char *src, const char *dst)
 985 {
 986
 987   double latency = -1.0;
 988   xbt_dynar_t elem_father_list = elements_father(src, dst);
 989   routing_component_t common_father =
 990       xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
 991
 992   if (strcmp(src, dst))
 993     latency = _get_latency(src, dst);
 994   else
 995     latency = (*(common_father->get_latency)) (common_father, src, dst);
 996
 997   xbt_assert2(latency>=0.0, "no route between \"%s\" and \"%s\"", src, dst);
 998   xbt_dynar_free(&elem_father_list);
 999
1000   return latency;
1001 }
1002
1003 /**
1004  * \brief Recursive function for finalize
1005  *
1006  * \param rc the source host name
1007  *
1008  * This fuction is call by "finalize". It allow to finalize the
1009  * AS or routing components. It delete all the structures.
1010  */
1011 static void _finalize(routing_component_t rc)
1012 {
1013   if (rc) {
1014     xbt_dict_cursor_t cursor = NULL;
1015     char *key;
1016     routing_component_t elem;
1017     xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
1018       _finalize(elem);
1019     }
1020     xbt_dict_t tmp_sons = rc->routing_sons;
1021     char *tmp_name = rc->name;
1022     xbt_dict_free(&tmp_sons);
1023     xbt_free(tmp_name);
1024     xbt_assert1(rc->finalize, "no defined method \"finalize\" in \"%s\"",
1025                 current_routing->name);
1026     (*(rc->finalize)) (rc);
1027   }
1028 }
1029
1030 /**
1031  * \brief Generic method: delete all the routing structures
1032  *
1033  * walk through the routing components tree and delete the structures
1034  * by calling the differents "finalize" functions in each routing component
1035  */
1036 static void finalize(void)
1037 {
1038   /* delete recursibly all the tree */
1039   _finalize(global_routing->root);
1040   xbt_dict_free(&(coordinates));
1041   /* delete last_route */
1042   xbt_dynar_free(&(global_routing->last_route));
1043   /* delete global routing structure */
1044   xbt_free(global_routing);
1045 }
1046
1047 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
1048 {
1049   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1050
1051   //adding my one link routes
1052   unsigned int cpt;
1053   void *link;
1054   xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
1055   if (onelink_mine) {
1056     xbt_dynar_foreach(onelink_mine, cpt, link) {
1057       xbt_dynar_push(ret, &link);
1058     }
1059   }
1060   //recursing
1061   char *key;
1062   xbt_dict_cursor_t cursor = NULL;
1063   routing_component_t rc_child;
1064   xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
1065     xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
1066     if (onelink_child) {
1067       xbt_dynar_foreach(onelink_child, cpt, link) {
1068         xbt_dynar_push(ret, &link);
1069       }
1070     }
1071   }
1072   return ret;
1073 }
1074
1075 static xbt_dynar_t get_onelink_routes(void)
1076 {
1077   return recursive_get_onelink_routes(global_routing->root);
1078 }
1079
1080 e_surf_network_element_type_t get_network_element_type(const char
1081                                                               *name)
1082 {
1083   network_element_info_t rc = NULL;
1084
1085   rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
1086   if(rc) return rc->rc_type;
1087
1088   rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
1089   if(rc) return rc->rc_type;
1090
1091   return SURF_NETWORK_ELEMENT_NULL;
1092 }
1093
1094 /**
1095  * \brief Generic method: create the global routing schema
1096  *
1097  * Make a global routing structure and set all the parsing functions.
1098  */
1099 void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_t get_link_latency_fun)
1100 {
1101   /* config the uniq global routing */
1102   global_routing = xbt_new0(s_routing_global_t, 1);
1103   global_routing->root = NULL;
1104   global_routing->get_route = get_route;
1105   global_routing->get_latency = get_latency;
1106   global_routing->get_route_no_cleanup = get_route_no_cleanup;
1107   global_routing->get_onelink_routes = get_onelink_routes;
1108   global_routing->get_network_element_type = get_network_element_type;
1109   global_routing->finalize = finalize;
1110   global_routing->loopback = loopback;
1111   global_routing->size_of_link = size_of_links;
1112   global_routing->last_route = NULL;
1113   get_link_latency = get_link_latency_fun;
1114   /* no current routing at moment */
1115   current_routing = NULL;
1116
1117   coordinates = xbt_dict_new();
1118
1119   /* parse generic elements */
1120   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
1121   surfxml_add_callback(ETag_surfxml_host_cb_list, &parse_E_host_XML);
1122   surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router_XML);
1123
1124   surfxml_add_callback(STag_surfxml_route_cb_list,
1125                        &parse_S_route_new_and_endpoints_XML);
1126   surfxml_add_callback(STag_surfxml_ASroute_cb_list,
1127                        &parse_S_ASroute_new_and_endpoints);
1128   surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
1129                        &parse_S_bypassRoute_new_and_endpoints);
1130
1131   surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
1132                        &parse_E_link_ctn_new_elem_XML);
1133
1134   surfxml_add_callback(ETag_surfxml_route_cb_list,
1135                        &parse_E_route_store_route);
1136   surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
1137                        &parse_E_ASroute_store_route);
1138   surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
1139                        &parse_E_bypassRoute_store_route);
1140
1141   surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
1142   surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
1143
1144   surfxml_add_callback(STag_surfxml_cluster_cb_list,
1145                        &routing_parse_Scluster);
1146
1147   surfxml_add_callback(STag_surfxml_peer_cb_list,
1148                          &routing_parse_Speer);
1149
1150   surfxml_add_callback(ETag_surfxml_platform_cb_list,
1151                                                   &clean_dict_random);
1152
1153 #ifdef HAVE_TRACING
1154   instr_routing_define_callbacks();
1155 #endif
1156 }
1157
1158 void surf_parse_add_callback_config(void)
1159 {
1160         surfxml_add_callback(STag_surfxml_config_cb_list, &routing_parse_Sconfig);
1161         surfxml_add_callback(ETag_surfxml_config_cb_list, &routing_parse_Econfig);
1162         surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
1163         surfxml_add_callback(STag_surfxml_AS_cb_list, &surf_parse_models_setup);
1164         surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
1165 }
1166
1167 void surf_parse_models_setup()
1168 {
1169         routing_parse_Erandom();
1170         surfxml_del_callback(STag_surfxml_AS_cb_list, surf_parse_models_setup);
1171         surf_config_models_setup(platform_filename);
1172         free(platform_filename);
1173 }
1174
1175 /* ************************************************************************** */
1176 /* *************************** FULL ROUTING ********************************* */
1177
1178 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
1179
1180 /* Routing model structure */
1181
1182 typedef struct {
1183   s_routing_component_t generic_routing;
1184   route_extended_t *routing_table;
1185 } s_routing_component_full_t, *routing_component_full_t;
1186
1187 /* Business methods */
1188 static xbt_dynar_t full_get_onelink_routes(routing_component_t rc)
1189 {
1190   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1191
1192   routing_component_full_t routing = (routing_component_full_t) rc;
1193   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1194   xbt_dict_cursor_t c1 = NULL, c2 = NULL;
1195   char *k1, *d1, *k2, *d2;
1196   xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
1197     xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
1198       int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
1199       int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
1200       xbt_assert2(src_id
1201                   && dst_id,
1202                   "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",
1203                   src, dst);
1204       route_extended_t route = TO_ROUTE_FULL(*src_id, *dst_id);
1205       if (route) {
1206         if (xbt_dynar_length(route->generic_route.link_list) == 1) {
1207           void *link =
1208               *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
1209                                            0);
1210           onelink_t onelink = xbt_new0(s_onelink_t, 1);
1211           onelink->link_ptr = link;
1212           if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
1213             onelink->src = xbt_strdup(k1);
1214             onelink->dst = xbt_strdup(k2);
1215           } else if (routing->generic_routing.hierarchy ==
1216                      SURF_ROUTING_RECURSIVE) {
1217             onelink->src = xbt_strdup(route->src_gateway);
1218             onelink->dst = xbt_strdup(route->dst_gateway);
1219           }
1220           xbt_dynar_push(ret, &onelink);
1221         }
1222       }
1223     }
1224   }
1225   return ret;
1226 }
1227
1228 static route_extended_t full_get_route(routing_component_t rc,
1229                                        const char *src, const char *dst)
1230 {
1231   xbt_assert1(rc && src
1232               && dst,
1233               "Invalid params for \"get_route\" function at AS \"%s\"",
1234               rc->name);
1235
1236   /* set utils vars */
1237   routing_component_full_t routing = (routing_component_full_t) rc;
1238   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1239
1240   generic_src_dst_check(rc, src, dst);
1241   int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1242   int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1243   xbt_assert2(src_id
1244               && dst_id,
1245               "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",
1246               src, dst);
1247
1248   route_extended_t e_route = NULL;
1249   route_extended_t new_e_route = NULL;
1250   void *link;
1251   unsigned int cpt = 0;
1252
1253   e_route = TO_ROUTE_FULL(*src_id, *dst_id);
1254
1255   if (e_route) {
1256     new_e_route = xbt_new0(s_route_extended_t, 1);
1257     new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
1258     new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
1259     new_e_route->generic_route.link_list =
1260         xbt_dynar_new(global_routing->size_of_link, NULL);
1261     xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
1262       xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1263     }
1264   }
1265   return new_e_route;
1266 }
1267
1268 static void full_finalize(routing_component_t rc)
1269 {
1270   routing_component_full_t routing = (routing_component_full_t) rc;
1271   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1272   int i, j;
1273   if (routing) {
1274     /* Delete routing table */
1275     for (i = 0; i < table_size; i++)
1276       for (j = 0; j < table_size; j++)
1277         generic_free_extended_route(TO_ROUTE_FULL(i, j));
1278     xbt_free(routing->routing_table);
1279     /* Delete bypass dict */
1280     xbt_dict_free(&rc->bypassRoutes);
1281     /* Delete index dict */
1282     xbt_dict_free(&rc->to_index);
1283     /* Delete structure */
1284     xbt_free(rc);
1285   }
1286 }
1287
1288 /* Creation routing model functions */
1289
1290 static void *model_full_create(void)
1291 {
1292   routing_component_full_t new_component =
1293       xbt_new0(s_routing_component_full_t, 1);
1294   new_component->generic_routing.set_processing_unit =
1295       generic_set_processing_unit;
1296   new_component->generic_routing.set_autonomous_system =
1297       generic_set_autonomous_system;
1298   new_component->generic_routing.set_route = model_full_set_route;
1299   new_component->generic_routing.set_ASroute = model_full_set_route;
1300   new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1301   new_component->generic_routing.get_route = full_get_route;
1302   new_component->generic_routing.get_latency = generic_get_link_latency;
1303   new_component->generic_routing.get_onelink_routes =
1304       full_get_onelink_routes;
1305   new_component->generic_routing.get_bypass_route =
1306       generic_get_bypassroute;
1307   new_component->generic_routing.finalize = full_finalize;
1308   new_component->generic_routing.to_index = xbt_dict_new();
1309   new_component->generic_routing.bypassRoutes = xbt_dict_new();
1310   new_component->generic_routing.get_network_element_type = get_network_element_type;
1311   return new_component;
1312 }
1313
1314 static void model_full_load(void)
1315 {
1316   /* use "surfxml_add_callback" to add a parse function call */
1317 }
1318
1319 static void model_full_unload(void)
1320 {
1321   /* use "surfxml_del_callback" to remove a parse function call */
1322 }
1323
1324 static void model_full_end(void)
1325 {
1326   unsigned int i;
1327   route_extended_t e_route;
1328
1329   /* set utils vars */
1330   routing_component_full_t routing =
1331       ((routing_component_full_t) current_routing);
1332   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1333
1334   /* Create table if necessary */
1335   if(!routing->routing_table)
1336           routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
1337
1338   /* Add the loopback if needed */
1339   if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1340     for (i = 0; i < table_size; i++) {
1341       e_route = TO_ROUTE_FULL(i, i);
1342       if (!e_route) {
1343         e_route = xbt_new0(s_route_extended_t, 1);
1344         e_route->src_gateway = NULL;
1345         e_route->dst_gateway = NULL;
1346         e_route->generic_route.link_list =
1347             xbt_dynar_new(global_routing->size_of_link, NULL);
1348         xbt_dynar_push(e_route->generic_route.link_list,
1349                        &global_routing->loopback);
1350         TO_ROUTE_FULL(i, i) = e_route;
1351       }
1352     }
1353   }
1354 }
1355
1356 static void model_full_set_route(routing_component_t rc, const char *src,
1357                 const char *dst, name_route_extended_t route)
1358 {
1359         int *src_id, *dst_id;
1360         src_id = xbt_dict_get_or_null(rc->to_index, src);
1361         dst_id = xbt_dict_get_or_null(rc->to_index, dst);
1362         routing_component_full_t routing = ((routing_component_full_t) rc);
1363         size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1364
1365         xbt_assert2(src_id
1366                           && dst_id, "Network elements %s or %s not found", src, dst);
1367
1368         xbt_assert2(xbt_dynar_length(route->generic_route.link_list) > 0,
1369                           "Invalid count of links, must be greater than zero (%s,%s)",
1370                           src, dst);
1371
1372         if(!routing->routing_table)
1373                 routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
1374
1375         if(TO_ROUTE_FULL(*src_id, *dst_id))
1376         {
1377                 char * link_name;
1378                 unsigned int i;
1379                 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
1380                 xbt_dynar_foreach(route->generic_route.link_list,i,link_name)
1381                 {
1382                         void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1383                         xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
1384                         xbt_dynar_push(link_route_to_test,&link);
1385                 }
1386                 xbt_assert2(!xbt_dynar_compare(
1387                           (void*)TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list,
1388                           (void*)link_route_to_test,
1389                           (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
1390                           "The route between \"%s\" and \"%s\" already exists. If you are trying to define a reverse route, you must set the symmetrical=no attribute to your routes tags.", src,dst);
1391         }
1392         else
1393         {
1394                   if(!route->dst_gateway && !route->src_gateway)
1395                           XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
1396                   else{
1397                           XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
1398                                  route->src_gateway, dst, route->dst_gateway);
1399                           if(global_routing->get_network_element_type((const char*)route->dst_gateway) == SURF_NETWORK_ELEMENT_NULL)
1400                                   xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway);
1401                           if(global_routing->get_network_element_type((const char*)route->src_gateway) == SURF_NETWORK_ELEMENT_NULL)
1402                                   xbt_die("The src_gateway '%s' does not exist!",route->src_gateway);
1403                   }
1404               TO_ROUTE_FULL(*src_id, *dst_id) = generic_new_extended_route(rc->hierarchy,route,1);
1405               xbt_dynar_shrink(TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list, 0);
1406         }
1407
1408         if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
1409                 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
1410         {
1411                 if(route->dst_gateway && route->src_gateway)
1412                 {
1413                   char *gw_src = xbt_strdup(route->src_gateway);
1414                   char *gw_dst = xbt_strdup(route->dst_gateway);
1415                   route->src_gateway = gw_dst;
1416                   route->dst_gateway = gw_src;
1417                 }
1418                 if(TO_ROUTE_FULL(*dst_id, *src_id))
1419                 {
1420                         char * link_name;
1421                         unsigned int i;
1422                         xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
1423                         for(i=xbt_dynar_length(route->generic_route.link_list) ;i>0 ;i--)
1424                         {
1425                                 link_name = xbt_dynar_get_as(route->generic_route.link_list,i-1,void *);
1426                                 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1427                                 xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
1428                                 xbt_dynar_push(link_route_to_test,&link);
1429                         }
1430                         xbt_assert2(!xbt_dynar_compare(
1431                                   (void*)TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list,
1432                               (void*)link_route_to_test,
1433                                   (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
1434                                   "The route between \"%s\" and \"%s\" already exists", src,dst);
1435                 }
1436                 else
1437                 {
1438                           if(!route->dst_gateway && !route->src_gateway)
1439                                   XBT_DEBUG("Load Route from \"%s\" to \"%s\"", dst, src);
1440                           else
1441                                   XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
1442                                          route->src_gateway, src, route->dst_gateway);
1443                       TO_ROUTE_FULL(*dst_id, *src_id) = generic_new_extended_route(rc->hierarchy,route,0);
1444                       xbt_dynar_shrink(TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list, 0);
1445                 }
1446
1447         }
1448 }
1449
1450 /* ************************************************************************** */
1451 /* *************************** FLOYD ROUTING ******************************** */
1452
1453 #define TO_FLOYD_COST(i,j) (routing->cost_table)[(i)+(j)*table_size]
1454 #define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
1455 #define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
1456
1457 /* Routing model structure */
1458
1459 typedef struct {
1460   s_routing_component_t generic_routing;
1461   /* vars for calculate the floyd algorith. */
1462   int *predecessor_table;
1463   double *cost_table;
1464   route_extended_t *link_table; /* char* -> int* */
1465 } s_routing_component_floyd_t, *routing_component_floyd_t;
1466
1467 static route_extended_t floyd_get_route(routing_component_t rc,
1468                                         const char *src, const char *dst);
1469
1470 /* Business methods */
1471 static xbt_dynar_t floyd_get_onelink_routes(routing_component_t rc)
1472 {
1473   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1474
1475   routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1476   //size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1477   xbt_dict_cursor_t c1 = NULL, c2 = NULL;
1478   char *k1, *d1, *k2, *d2;
1479   xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
1480     xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
1481       route_extended_t route = floyd_get_route(rc, k1, k2);
1482       if (route) {
1483         if (xbt_dynar_length(route->generic_route.link_list) == 1) {
1484           void *link =
1485               *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
1486                                            0);
1487           onelink_t onelink = xbt_new0(s_onelink_t, 1);
1488           onelink->link_ptr = link;
1489           if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
1490             onelink->src = xbt_strdup(k1);
1491             onelink->dst = xbt_strdup(k2);
1492           } else if (routing->generic_routing.hierarchy ==
1493                      SURF_ROUTING_RECURSIVE) {
1494             onelink->src = xbt_strdup(route->src_gateway);
1495             onelink->dst = xbt_strdup(route->dst_gateway);
1496           }
1497           xbt_dynar_push(ret, &onelink);
1498         }
1499       }
1500     }
1501   }
1502   return ret;
1503 }
1504
1505 static route_extended_t floyd_get_route(routing_component_t rc,
1506                                         const char *src, const char *dst)
1507 {
1508   xbt_assert1(rc && src
1509               && dst,
1510               "Invalid params for \"get_route\" function at AS \"%s\"",
1511               rc->name);
1512
1513   /* set utils vars */
1514   routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1515   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1516
1517   generic_src_dst_check(rc, src, dst);
1518   int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1519   int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1520   xbt_assert2(src_id
1521               && dst_id,
1522               "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",
1523               src, dst);
1524
1525   /* create a result route */
1526   route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1527   new_e_route->generic_route.link_list =
1528       xbt_dynar_new(global_routing->size_of_link, NULL);
1529   new_e_route->src_gateway = NULL;
1530   new_e_route->dst_gateway = NULL;
1531
1532   int first = 1;
1533   int pred = *dst_id;
1534   int prev_pred = 0;
1535   char *gw_src = NULL, *gw_dst =
1536       NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1537   unsigned int cpt;
1538   void *link;
1539   xbt_dynar_t links;
1540
1541   do {
1542     prev_pred = pred;
1543     pred = TO_FLOYD_PRED(*src_id, pred);
1544     if (pred == -1)             /* if no pred in route -> no route to host */
1545       break;
1546     xbt_assert2(TO_FLOYD_LINK(pred, prev_pred),
1547                 "Invalid link for the route between \"%s\" or \"%s\"", src,
1548                 dst);
1549
1550     prev_gw_src = gw_src;
1551     prev_gw_dst = gw_dst;
1552
1553     route_extended_t e_route = TO_FLOYD_LINK(pred, prev_pred);
1554     gw_src = e_route->src_gateway;
1555     gw_dst = e_route->dst_gateway;
1556
1557     if (first)
1558       first_gw = gw_dst;
1559
1560     if (rc->hierarchy == SURF_ROUTING_RECURSIVE && !first
1561         && strcmp(gw_dst, prev_gw_src)) {
1562       xbt_dynar_t e_route_as_to_as =
1563           (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1564       xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1565                   gw_dst, prev_gw_src);
1566       links = e_route_as_to_as;
1567       int pos = 0;
1568       xbt_dynar_foreach(links, cpt, link) {
1569         xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1570                             &link);
1571         pos++;
1572       }
1573     }
1574
1575     links = e_route->generic_route.link_list;
1576     xbt_dynar_foreach(links, cpt, link) {
1577       xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1578     }
1579     first = 0;
1580
1581   } while (pred != *src_id);
1582   xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")",
1583               *src_id, *dst_id, src, dst);
1584
1585   if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1586     new_e_route->src_gateway = xbt_strdup(gw_src);
1587     new_e_route->dst_gateway = xbt_strdup(first_gw);
1588   }
1589
1590   return new_e_route;
1591 }
1592
1593 static void floyd_finalize(routing_component_t rc)
1594 {
1595   routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1596   int i, j;
1597   size_t table_size;
1598   if (routing) {
1599     table_size = xbt_dict_length(routing->generic_routing.to_index);
1600     /* Delete link_table */
1601     for (i = 0; i < table_size; i++)
1602       for (j = 0; j < table_size; j++)
1603         generic_free_extended_route(TO_FLOYD_LINK(i, j));
1604     xbt_free(routing->link_table);
1605     /* Delete bypass dict */
1606     xbt_dict_free(&routing->generic_routing.bypassRoutes);
1607     /* Delete index dict */
1608     xbt_dict_free(&(routing->generic_routing.to_index));
1609     /* Delete dictionary index dict, predecessor and links table */
1610     xbt_free(routing->predecessor_table);
1611     /* Delete structure */
1612     xbt_free(rc);
1613   }
1614 }
1615
1616 static void *model_floyd_create(void)
1617 {
1618   routing_component_floyd_t new_component =
1619       xbt_new0(s_routing_component_floyd_t, 1);
1620   new_component->generic_routing.set_processing_unit =
1621       generic_set_processing_unit;
1622   new_component->generic_routing.set_autonomous_system =
1623       generic_set_autonomous_system;
1624   new_component->generic_routing.set_route = model_floyd_set_route;
1625   new_component->generic_routing.set_ASroute = model_floyd_set_route;
1626   new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1627   new_component->generic_routing.get_route = floyd_get_route;
1628   new_component->generic_routing.get_latency = generic_get_link_latency;
1629   new_component->generic_routing.get_onelink_routes =
1630       floyd_get_onelink_routes;
1631   new_component->generic_routing.get_bypass_route =
1632       generic_get_bypassroute;
1633   new_component->generic_routing.finalize = floyd_finalize;
1634   new_component->generic_routing.to_index = xbt_dict_new();
1635   new_component->generic_routing.bypassRoutes = xbt_dict_new();
1636   new_component->generic_routing.get_network_element_type = get_network_element_type;
1637   return new_component;
1638 }
1639
1640 static void model_floyd_load(void)
1641 {
1642   /* use "surfxml_add_callback" to add a parse function call */
1643 }
1644
1645 static void model_floyd_unload(void)
1646 {
1647   /* use "surfxml_del_callback" to remove a parse function call */
1648 }
1649
1650 static void model_floyd_end(void)
1651 {
1652
1653         routing_component_floyd_t routing =
1654           ((routing_component_floyd_t) current_routing);
1655
1656         unsigned int i, j, a, b, c;
1657
1658         /* set the size of table routing */
1659         size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1660
1661         if(!routing->link_table)
1662         {
1663                 /* Create Cost, Predecessor and Link tables */
1664                 routing->cost_table = xbt_new0(double, table_size * table_size);       /* link cost from host to host */
1665                 routing->predecessor_table = xbt_new0(int, table_size * table_size);  /* predecessor host numbers */
1666                 routing->link_table = xbt_new0(route_extended_t, table_size * table_size);    /* actual link between src and dst */
1667
1668                 /* Initialize costs and predecessors */
1669                 for (i = 0; i < table_size; i++)
1670                 for (j = 0; j < table_size; j++) {
1671                   TO_FLOYD_COST(i, j) = DBL_MAX;
1672                   TO_FLOYD_PRED(i, j) = -1;
1673                   TO_FLOYD_LINK(i, j) = NULL;       /* fixed, missing in the previous version */
1674                 }
1675         }
1676
1677         /* Add the loopback if needed */
1678         if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1679                 for (i = 0; i < table_size; i++) {
1680                   route_extended_t e_route = TO_FLOYD_LINK(i, i);
1681                   if (!e_route) {
1682                         e_route = xbt_new0(s_route_extended_t, 1);
1683                         e_route->src_gateway = NULL;
1684                         e_route->dst_gateway = NULL;
1685                         e_route->generic_route.link_list =
1686                                 xbt_dynar_new(global_routing->size_of_link, NULL);
1687                         xbt_dynar_push(e_route->generic_route.link_list,
1688                                                    &global_routing->loopback);
1689                         TO_FLOYD_LINK(i, i) = e_route;
1690                         TO_FLOYD_PRED(i, i) = i;
1691                         TO_FLOYD_COST(i, i) = 1;
1692                   }
1693                 }
1694         }
1695         /* Calculate path costs */
1696         for (c = 0; c < table_size; c++) {
1697                 for (a = 0; a < table_size; a++) {
1698                   for (b = 0; b < table_size; b++) {
1699                         if (TO_FLOYD_COST(a, c) < DBL_MAX && TO_FLOYD_COST(c, b) < DBL_MAX) {
1700                           if (TO_FLOYD_COST(a, b) == DBL_MAX ||
1701                                   (TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b) <
1702                                    TO_FLOYD_COST(a, b))) {
1703                                 TO_FLOYD_COST(a, b) =
1704                                         TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b);
1705                                 TO_FLOYD_PRED(a, b) = TO_FLOYD_PRED(c, b);
1706                           }
1707                         }
1708                   }
1709                 }
1710         }
1711 }
1712
1713 static void model_floyd_set_route(routing_component_t rc, const char *src,
1714         const char *dst, name_route_extended_t route)
1715 {
1716         routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1717
1718         /* set the size of table routing */
1719         size_t table_size = xbt_dict_length(rc->to_index);
1720         int *src_id, *dst_id;
1721         int i,j;
1722
1723         src_id = xbt_dict_get_or_null(rc->to_index, src);
1724         dst_id = xbt_dict_get_or_null(rc->to_index, dst);
1725
1726         if(!routing->link_table)
1727         {
1728                 /* Create Cost, Predecessor and Link tables */
1729                 routing->cost_table = xbt_new0(double, table_size * table_size);       /* link cost from host to host */
1730                 routing->predecessor_table = xbt_new0(int, table_size * table_size);  /* predecessor host numbers */
1731                 routing->link_table = xbt_new0(route_extended_t, table_size * table_size);    /* actual link between src and dst */
1732
1733                 /* Initialize costs and predecessors */
1734                 for (i = 0; i < table_size; i++)
1735                 for (j = 0; j < table_size; j++) {
1736                   TO_FLOYD_COST(i, j) = DBL_MAX;
1737                   TO_FLOYD_PRED(i, j) = -1;
1738                   TO_FLOYD_LINK(i, j) = NULL;       /* fixed, missing in the previous version */
1739                 }
1740         }
1741
1742         if(TO_FLOYD_LINK(*src_id, *dst_id))
1743         {
1744                 if(!route->dst_gateway && !route->src_gateway)
1745                         XBT_DEBUG("See Route from \"%s\" to \"%s\"", src, dst);
1746                 else
1747                         XBT_DEBUG("See ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
1748                                  route->src_gateway, dst, route->dst_gateway);
1749                 char * link_name;
1750                 unsigned int cpt;
1751                 xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
1752                 xbt_dynar_foreach(route->generic_route.link_list,cpt,link_name)
1753                 {
1754                         void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1755                         xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
1756                         xbt_dynar_push(link_route_to_test,&link);
1757                 }
1758                 xbt_assert2(!xbt_dynar_compare(
1759                           (void*)TO_FLOYD_LINK(*src_id, *dst_id)->generic_route.link_list,
1760                           (void*)link_route_to_test,
1761                           (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
1762                           "The route between \"%s\" and \"%s\" already exists", src,dst);
1763         }
1764         else
1765         {
1766                 if(!route->dst_gateway && !route->src_gateway)
1767                   XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
1768                 else{
1769                         XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
1770                                  route->src_gateway, dst, route->dst_gateway);
1771                         if(global_routing->get_network_element_type((const char*)route->dst_gateway) == SURF_NETWORK_ELEMENT_NULL)
1772                                 xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway);
1773                         if(global_routing->get_network_element_type((const char*)route->src_gateway) == SURF_NETWORK_ELEMENT_NULL)
1774                                 xbt_die("The src_gateway '%s' does not exist!",route->src_gateway);
1775                 }
1776             TO_FLOYD_LINK(*src_id, *dst_id) =
1777                         generic_new_extended_route(rc->hierarchy, route, 1);
1778             TO_FLOYD_PRED(*src_id, *dst_id) = *src_id;
1779             TO_FLOYD_COST(*src_id, *dst_id) =
1780                         ((TO_FLOYD_LINK(*src_id, *dst_id))->generic_route.link_list)->used;   /* count of links, old model assume 1 */
1781         }
1782
1783         if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
1784                 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
1785         {
1786                 if(TO_FLOYD_LINK(*dst_id, *src_id))
1787                 {
1788                         if(!route->dst_gateway && !route->src_gateway)
1789                           XBT_DEBUG("See Route from \"%s\" to \"%s\"", dst, src);
1790                         else
1791                           XBT_DEBUG("See ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
1792                                          route->src_gateway, src, route->dst_gateway);
1793                         char * link_name;
1794                         unsigned int i;
1795                         xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
1796                         for(i=xbt_dynar_length(route->generic_route.link_list) ;i>0 ;i--)
1797                         {
1798                                 link_name = xbt_dynar_get_as(route->generic_route.link_list,i-1,void *);
1799                                 void *link = xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1800                                 xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
1801                                 xbt_dynar_push(link_route_to_test,&link);
1802                         }
1803                         xbt_assert2(!xbt_dynar_compare(
1804                                   (void*)TO_FLOYD_LINK(*dst_id, *src_id)->generic_route.link_list,
1805                               (void*)link_route_to_test,
1806                                   (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
1807                                   "The route between \"%s\" and \"%s\" already exists", src,dst);
1808                 }
1809                 else
1810                 {
1811                         if(route->dst_gateway && route->src_gateway)
1812                         {
1813                           char *gw_src = xbt_strdup(route->src_gateway);
1814                           char *gw_dst = xbt_strdup(route->dst_gateway);
1815                           route->src_gateway = gw_dst;
1816                           route->dst_gateway = gw_src;
1817                         }
1818
1819                         if(!route->dst_gateway && !route->src_gateway)
1820                           XBT_DEBUG("Load Route from \"%s\" to \"%s\"", dst, src);
1821                         else
1822                           XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
1823                                          route->src_gateway, src, route->dst_gateway);
1824
1825                     TO_FLOYD_LINK(*dst_id, *src_id) =
1826                                 generic_new_extended_route(rc->hierarchy, route, 0);
1827                     TO_FLOYD_PRED(*dst_id, *src_id) = *dst_id;
1828                     TO_FLOYD_COST(*dst_id, *src_id) =
1829                                 ((TO_FLOYD_LINK(*dst_id, *src_id))->generic_route.link_list)->used;   /* count of links, old model assume 1 */
1830                 }
1831         }
1832 }
1833
1834 /* ************************************************************************** */
1835 /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
1836
1837 typedef struct {
1838   s_routing_component_t generic_routing;
1839   xbt_graph_t route_graph;      /* xbt_graph */
1840   xbt_dict_t graph_node_map;    /* map */
1841   xbt_dict_t route_cache;       /* use in cache mode */
1842   int cached;
1843 } s_routing_component_dijkstra_t, *routing_component_dijkstra_t;
1844
1845
1846 typedef struct graph_node_data {
1847   int id;
1848   int graph_id;                 /* used for caching internal graph id's */
1849 } s_graph_node_data_t, *graph_node_data_t;
1850
1851 typedef struct graph_node_map_element {
1852   xbt_node_t node;
1853 } s_graph_node_map_element_t, *graph_node_map_element_t;
1854
1855 typedef struct route_cache_element {
1856   int *pred_arr;
1857   int size;
1858 } s_route_cache_element_t, *route_cache_element_t;
1859
1860 /* Free functions */
1861
1862 static void route_cache_elem_free(void *e)
1863 {
1864   route_cache_element_t elm = (route_cache_element_t) e;
1865   if (elm) {
1866     xbt_free(elm->pred_arr);
1867     xbt_free(elm);
1868   }
1869 }
1870
1871 static void graph_node_map_elem_free(void *e)
1872 {
1873   graph_node_map_element_t elm = (graph_node_map_element_t) e;
1874   if (elm) {
1875     xbt_free(elm);
1876   }
1877 }
1878
1879 static void graph_edge_data_free(void *e)
1880 {
1881   route_extended_t e_route = (route_extended_t) e;
1882   if (e_route) {
1883     xbt_dynar_free(&(e_route->generic_route.link_list));
1884     if (e_route->src_gateway)
1885       xbt_free(e_route->src_gateway);
1886     if (e_route->dst_gateway)
1887       xbt_free(e_route->dst_gateway);
1888     xbt_free(e_route);
1889   }
1890 }
1891
1892 /* Utility functions */
1893
1894 static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc,
1895                                        int id, int graph_id)
1896 {
1897   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1898   xbt_node_t node = NULL;
1899   graph_node_data_t data = NULL;
1900   graph_node_map_element_t elm = NULL;
1901
1902   data = xbt_new0(struct graph_node_data, 1);
1903   data->id = id;
1904   data->graph_id = graph_id;
1905   node = xbt_graph_new_node(routing->route_graph, data);
1906
1907   elm = xbt_new0(struct graph_node_map_element, 1);
1908   elm->node = node;
1909   xbt_dict_set_ext(routing->graph_node_map, (char *) (&id), sizeof(int),
1910                    (xbt_set_elm_t) elm, &graph_node_map_elem_free);
1911
1912   return node;
1913 }
1914
1915 static graph_node_map_element_t
1916 graph_node_map_search(routing_component_dijkstra_t rc, int id)
1917 {
1918   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1919   graph_node_map_element_t elm = (graph_node_map_element_t)
1920       xbt_dict_get_or_null_ext(routing->graph_node_map,
1921                                (char *) (&id),
1922                                sizeof(int));
1923   return elm;
1924 }
1925
1926 /* Parsing */
1927
1928 static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id,
1929                                int dst_id, route_extended_t e_route)
1930 {
1931   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1932   XBT_DEBUG("Load Route from \"%d\" to \"%d\"", src_id, dst_id);
1933   xbt_node_t src = NULL;
1934   xbt_node_t dst = NULL;
1935
1936   graph_node_map_element_t src_elm = (graph_node_map_element_t)
1937       xbt_dict_get_or_null_ext(routing->graph_node_map,
1938                                (char *) (&src_id),
1939                                sizeof(int));
1940   graph_node_map_element_t dst_elm = (graph_node_map_element_t)
1941       xbt_dict_get_or_null_ext(routing->graph_node_map,
1942                                (char *) (&dst_id),
1943                                sizeof(int));
1944
1945
1946   if (src_elm)
1947     src = src_elm->node;
1948
1949   if (dst_elm)
1950     dst = dst_elm->node;
1951
1952   /* add nodes if they don't exist in the graph */
1953   if (src_id == dst_id && src == NULL && dst == NULL) {
1954     src = route_graph_new_node(rc, src_id, -1);
1955     dst = src;
1956   } else {
1957     if (src == NULL) {
1958       src = route_graph_new_node(rc, src_id, -1);
1959     }
1960     if (dst == NULL) {
1961       dst = route_graph_new_node(rc, dst_id, -1);
1962     }
1963   }
1964
1965   /* add link as edge to graph */
1966   xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
1967 }
1968
1969 static void add_loopback_dijkstra(routing_component_dijkstra_t rc)
1970 {
1971   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1972
1973   xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1974
1975   xbt_node_t node = NULL;
1976   unsigned int cursor2;
1977   xbt_dynar_foreach(nodes, cursor2, node) {
1978     xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
1979     xbt_edge_t edge = NULL;
1980     unsigned int cursor;
1981
1982     int found = 0;
1983     xbt_dynar_foreach(out_edges, cursor, edge) {
1984       xbt_node_t other_node = xbt_graph_edge_get_target(edge);
1985       if (other_node == node) {
1986         found = 1;
1987         break;
1988       }
1989     }
1990
1991     if (!found) {
1992       route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
1993       e_route->src_gateway = NULL;
1994       e_route->dst_gateway = NULL;
1995       e_route->generic_route.link_list =
1996           xbt_dynar_new(global_routing->size_of_link, NULL);
1997       xbt_dynar_push(e_route->generic_route.link_list,
1998                      &global_routing->loopback);
1999       xbt_graph_new_edge(routing->route_graph, node, node, e_route);
2000     }
2001   }
2002 }
2003
2004 /* Business methods */
2005 static xbt_dynar_t dijkstra_get_onelink_routes(routing_component_t rc)
2006 {
2007   xbt_die("\"dijkstra_get_onelink_routes\" function not implemented yet");
2008 }
2009
2010 static route_extended_t dijkstra_get_route(routing_component_t rc,
2011                                            const char *src,
2012                                            const char *dst)
2013 {
2014   xbt_assert1(rc && src
2015               && dst,
2016               "Invalid params for \"get_route\" function at AS \"%s\"",
2017               rc->name);
2018
2019   /* set utils vars */
2020   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
2021
2022   generic_src_dst_check(rc, src, dst);
2023   int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
2024   int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
2025   xbt_assert2(src_id
2026               && dst_id,
2027               "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",
2028               src, dst);
2029
2030   /* create a result route */
2031   route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
2032   new_e_route->generic_route.link_list =
2033       xbt_dynar_new(global_routing->size_of_link, NULL);
2034   new_e_route->src_gateway = NULL;
2035   new_e_route->dst_gateway = NULL;
2036
2037   int *pred_arr = NULL;
2038   int src_node_id = 0;
2039   int dst_node_id = 0;
2040   int *nodeid = NULL;
2041   int v;
2042   route_extended_t e_route;
2043   int size = 0;
2044   unsigned int cpt;
2045   void *link;
2046   xbt_dynar_t links = NULL;
2047   route_cache_element_t elm = NULL;
2048   xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
2049
2050   /* Use the graph_node id mapping set to quickly find the nodes */
2051   graph_node_map_element_t src_elm =
2052       graph_node_map_search(routing, *src_id);
2053   graph_node_map_element_t dst_elm =
2054       graph_node_map_search(routing, *dst_id);
2055   xbt_assert2(src_elm != NULL
2056               && dst_elm != NULL, "src %d or dst %d does not exist",
2057               *src_id, *dst_id);
2058   src_node_id = ((graph_node_data_t)
2059                  xbt_graph_node_get_data(src_elm->node))->graph_id;
2060   dst_node_id = ((graph_node_data_t)
2061                  xbt_graph_node_get_data(dst_elm->node))->graph_id;
2062
2063   /* if the src and dst are the same *//* fixed, missing in the previous version */
2064   if (src_node_id == dst_node_id) {
2065
2066     xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
2067     xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
2068     xbt_edge_t edge =
2069         xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
2070
2071     xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
2072                 *dst_id);
2073
2074     e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
2075
2076     links = e_route->generic_route.link_list;
2077     xbt_dynar_foreach(links, cpt, link) {
2078       xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
2079     }
2080
2081     return new_e_route;
2082   }
2083
2084   if (routing->cached) {
2085     /*check if there is a cached predecessor list avail */
2086     elm = (route_cache_element_t)
2087         xbt_dict_get_or_null_ext(routing->route_cache, (char *) (&src_id),
2088                                  sizeof(int));
2089   }
2090
2091   if (elm) {                    /* cached mode and cache hit */
2092     pred_arr = elm->pred_arr;
2093   } else {                      /* not cached mode or cache miss */
2094     double *cost_arr = NULL;
2095     xbt_heap_t pqueue = NULL;
2096     int i = 0;
2097
2098     int nr_nodes = xbt_dynar_length(nodes);
2099     cost_arr = xbt_new0(double, nr_nodes);      /* link cost from src to other hosts */
2100     pred_arr = xbt_new0(int, nr_nodes); /* predecessors in path from src */
2101     pqueue = xbt_heap_new(nr_nodes, xbt_free);
2102
2103     /* initialize */
2104     cost_arr[src_node_id] = 0.0;
2105
2106     for (i = 0; i < nr_nodes; i++) {
2107       if (i != src_node_id) {
2108         cost_arr[i] = DBL_MAX;
2109       }
2110
2111       pred_arr[i] = 0;
2112
2113       /* initialize priority queue */
2114       nodeid = xbt_new0(int, 1);
2115       *nodeid = i;
2116       xbt_heap_push(pqueue, nodeid, cost_arr[i]);
2117
2118     }
2119
2120     /* apply dijkstra using the indexes from the graph's node array */
2121     while (xbt_heap_size(pqueue) > 0) {
2122       int *v_id = xbt_heap_pop(pqueue);
2123       xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
2124       xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
2125       xbt_edge_t edge = NULL;
2126       unsigned int cursor;
2127
2128       xbt_dynar_foreach(out_edges, cursor, edge) {
2129         xbt_node_t u_node = xbt_graph_edge_get_target(edge);
2130         graph_node_data_t data = xbt_graph_node_get_data(u_node);
2131         int u_id = data->graph_id;
2132         route_extended_t tmp_e_route =
2133             (route_extended_t) xbt_graph_edge_get_data(edge);
2134         int cost_v_u = (tmp_e_route->generic_route.link_list)->used;    /* count of links, old model assume 1 */
2135
2136         if (cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
2137           pred_arr[u_id] = *v_id;
2138           cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
2139           nodeid = xbt_new0(int, 1);
2140           *nodeid = u_id;
2141           xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
2142         }
2143       }
2144
2145       /* free item popped from pqueue */
2146       xbt_free(v_id);
2147     }
2148
2149     xbt_free(cost_arr);
2150     xbt_heap_free(pqueue);
2151   }
2152
2153   /* compose route path with links */
2154   char *gw_src = NULL, *gw_dst =
2155       NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
2156
2157   for (v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
2158     xbt_node_t node_pred_v =
2159         xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
2160     xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
2161     xbt_edge_t edge =
2162         xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
2163
2164     xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
2165                 *dst_id);
2166
2167     prev_gw_src = gw_src;
2168     prev_gw_dst = gw_dst;
2169
2170     e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
2171     gw_src = e_route->src_gateway;
2172     gw_dst = e_route->dst_gateway;
2173
2174     if (v == dst_node_id)
2175       first_gw = gw_dst;
2176
2177     if (rc->hierarchy == SURF_ROUTING_RECURSIVE && v != dst_node_id
2178         && strcmp(gw_dst, prev_gw_src)) {
2179       xbt_dynar_t e_route_as_to_as =
2180           (*(global_routing->get_route)) (gw_dst, prev_gw_src);
2181       xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
2182                   gw_dst, prev_gw_src);
2183       links = e_route_as_to_as;
2184       int pos = 0;
2185       xbt_dynar_foreach(links, cpt, link) {
2186         xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
2187                             &link);
2188         pos++;
2189       }
2190     }
2191
2192     links = e_route->generic_route.link_list;
2193     xbt_dynar_foreach(links, cpt, link) {
2194       xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
2195     }
2196     size++;
2197   }
2198
2199   if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
2200     new_e_route->src_gateway = xbt_strdup(gw_src);
2201     new_e_route->dst_gateway = xbt_strdup(first_gw);
2202   }
2203
2204   if (routing->cached && elm == NULL) {
2205     /* add to predecessor list of the current src-host to cache */
2206     elm = xbt_new0(struct route_cache_element, 1);
2207     elm->pred_arr = pred_arr;
2208     elm->size = size;
2209     xbt_dict_set_ext(routing->route_cache, (char *) (&src_id), sizeof(int),
2210                      (xbt_set_elm_t) elm, &route_cache_elem_free);
2211   }
2212
2213   if (!routing->cached)
2214     xbt_free(pred_arr);
2215
2216   return new_e_route;
2217 }
2218
2219 static void dijkstra_finalize(routing_component_t rc)
2220 {
2221   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
2222
2223   if (routing) {
2224     xbt_graph_free_graph(routing->route_graph, &xbt_free,
2225                          &graph_edge_data_free, &xbt_free);
2226     xbt_dict_free(&routing->graph_node_map);
2227     if (routing->cached)
2228       xbt_dict_free(&routing->route_cache);
2229     /* Delete bypass dict */
2230     xbt_dict_free(&routing->generic_routing.bypassRoutes);
2231     /* Delete index dict */
2232     xbt_dict_free(&(routing->generic_routing.to_index));
2233     /* Delete structure */
2234     xbt_free(routing);
2235   }
2236 }
2237
2238 /* Creation routing model functions */
2239
2240 static void *model_dijkstra_both_create(int cached)
2241 {
2242   routing_component_dijkstra_t new_component =
2243       xbt_new0(s_routing_component_dijkstra_t, 1);
2244   new_component->generic_routing.set_processing_unit =
2245       generic_set_processing_unit;
2246   new_component->generic_routing.set_autonomous_system =
2247       generic_set_autonomous_system;
2248   new_component->generic_routing.set_route = model_dijkstra_both_set_route;
2249   new_component->generic_routing.set_ASroute = model_dijkstra_both_set_route;
2250   new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
2251   new_component->generic_routing.get_route = dijkstra_get_route;
2252   new_component->generic_routing.get_latency = generic_get_link_latency;
2253   new_component->generic_routing.get_onelink_routes =
2254       dijkstra_get_onelink_routes;
2255   new_component->generic_routing.get_bypass_route =
2256       generic_get_bypassroute;
2257   new_component->generic_routing.finalize = dijkstra_finalize;
2258   new_component->cached = cached;
2259   new_component->generic_routing.to_index = xbt_dict_new();
2260   new_component->generic_routing.bypassRoutes = xbt_dict_new();
2261   new_component->generic_routing.get_network_element_type = get_network_element_type;
2262   return new_component;
2263 }
2264
2265 static void *model_dijkstra_create(void)
2266 {
2267   return model_dijkstra_both_create(0);
2268 }
2269
2270 static void *model_dijkstracache_create(void)
2271 {
2272   return model_dijkstra_both_create(1);
2273 }
2274
2275 static void model_dijkstra_both_load(void)
2276 {
2277   /* use "surfxml_add_callback" to add a parse function call */
2278 }
2279
2280 static void model_dijkstra_both_unload(void)
2281 {
2282   /* use "surfxml_del_callback" to remove a parse function call */
2283 }
2284
2285 static void model_dijkstra_both_end(void)
2286 {
2287   routing_component_dijkstra_t routing =
2288       (routing_component_dijkstra_t) current_routing;
2289
2290   xbt_node_t node = NULL;
2291   unsigned int cursor2;
2292   xbt_dynar_t nodes = NULL;
2293
2294   /* Create the topology graph */
2295   if(!routing->route_graph)
2296   routing->route_graph = xbt_graph_new_graph(1, NULL);
2297   if(!routing->graph_node_map)
2298   routing->graph_node_map = xbt_dict_new();
2299
2300   if (routing->cached && !routing->route_cache)
2301   routing->route_cache = xbt_dict_new();
2302
2303   /* Add the loopback if needed */
2304   if (current_routing->hierarchy == SURF_ROUTING_BASE)
2305     add_loopback_dijkstra(routing);
2306
2307   /* initialize graph indexes in nodes after graph has been built */
2308   nodes = xbt_graph_get_nodes(routing->route_graph);
2309
2310   xbt_dynar_foreach(nodes, cursor2, node) {
2311     graph_node_data_t data = xbt_graph_node_get_data(node);
2312     data->graph_id = cursor2;
2313   }
2314
2315 }
2316 static void model_dijkstra_both_set_route (routing_component_t rc, const char *src,
2317                      const char *dst, name_route_extended_t route)
2318 {
2319         routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
2320         int *src_id, *dst_id;
2321         src_id = xbt_dict_get_or_null(rc->to_index, src);
2322         dst_id = xbt_dict_get_or_null(rc->to_index, dst);
2323
2324     /* Create the topology graph */
2325         if(!routing->route_graph)
2326         routing->route_graph = xbt_graph_new_graph(1, NULL);
2327         if(!routing->graph_node_map)
2328         routing->graph_node_map = xbt_dict_new();
2329
2330         if (routing->cached && !routing->route_cache)
2331         routing->route_cache = xbt_dict_new();
2332
2333         if( A_surfxml_route_symmetrical == A_surfxml_route_symmetrical_YES
2334                 || A_surfxml_ASroute_symmetrical == A_surfxml_ASroute_symmetrical_YES )
2335                 xbt_die("Route symmetrical not supported on model dijkstra");
2336
2337         if(!route->dst_gateway && !route->src_gateway)
2338           XBT_DEBUG("Load Route from \"%s\" to \"%s\"", src, dst);
2339         else{
2340           XBT_DEBUG("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
2341                          route->src_gateway, dst, route->dst_gateway);
2342           if(global_routing->get_network_element_type((const char*)route->dst_gateway) == SURF_NETWORK_ELEMENT_NULL)
2343                   xbt_die("The dst_gateway '%s' does not exist!",route->dst_gateway);
2344           if(global_routing->get_network_element_type((const char*)route->src_gateway) == SURF_NETWORK_ELEMENT_NULL)
2345                   xbt_die("The src_gateway '%s' does not exist!",route->src_gateway);
2346         }
2347
2348         route_extended_t e_route =
2349                 generic_new_extended_route(current_routing->hierarchy, route, 1);
2350         route_new_dijkstra(routing, *src_id, *dst_id, e_route);
2351 }
2352
2353 #ifdef HAVE_PCRE_LIB
2354 /* ************************************************** */
2355 /* ************** RULE-BASED ROUTING **************** */
2356
2357 /* Routing model structure */
2358
2359 typedef struct {
2360   s_routing_component_t generic_routing;
2361   xbt_dict_t dict_processing_units;
2362   xbt_dict_t dict_autonomous_systems;
2363   xbt_dynar_t list_route;
2364   xbt_dynar_t list_ASroute;
2365 } s_routing_component_rulebased_t, *routing_component_rulebased_t;
2366
2367 typedef struct s_rule_route s_rule_route_t, *rule_route_t;
2368 typedef struct s_rule_route_extended s_rule_route_extended_t,
2369     *rule_route_extended_t;
2370
2371 struct s_rule_route {
2372   xbt_dynar_t re_str_link;      // dynar of char*
2373   pcre *re_src;
2374   pcre *re_dst;
2375 };
2376
2377 struct s_rule_route_extended {
2378   s_rule_route_t generic_rule_route;
2379   char *re_src_gateway;
2380   char *re_dst_gateway;
2381 };
2382
2383 static void rule_route_free(void *e)
2384 {
2385   rule_route_t *elem = (rule_route_t *) (e);
2386   if (*elem) {
2387     xbt_dynar_free(&(*elem)->re_str_link);
2388     pcre_free((*elem)->re_src);
2389     pcre_free((*elem)->re_dst);
2390     xbt_free(*elem);
2391   }
2392   *elem = NULL;
2393 }
2394
2395 static void rule_route_extended_free(void *e)
2396 {
2397   rule_route_extended_t *elem = (rule_route_extended_t *) e;
2398   if (*elem) {
2399     xbt_dynar_free(&(*elem)->generic_rule_route.re_str_link);
2400     pcre_free((*elem)->generic_rule_route.re_src);
2401     pcre_free((*elem)->generic_rule_route.re_dst);
2402     xbt_free((*elem)->re_src_gateway);
2403     xbt_free((*elem)->re_dst_gateway);
2404     xbt_free(*elem);
2405   }
2406 }
2407
2408 /* Parse routing model functions */
2409
2410 static void model_rulebased_set_processing_unit(routing_component_t rc,
2411                                                 const char *name)
2412 {
2413   routing_component_rulebased_t routing =
2414       (routing_component_rulebased_t) rc;
2415   xbt_dict_set(routing->dict_processing_units, name, (void *) (-1), NULL);
2416 }
2417
2418 static void model_rulebased_set_autonomous_system(routing_component_t rc,
2419                                                   const char *name)
2420 {
2421   routing_component_rulebased_t routing =
2422       (routing_component_rulebased_t) rc;
2423   xbt_dict_set(routing->dict_autonomous_systems, name, (void *) (-1),
2424                NULL);
2425 }
2426
2427 static void model_rulebased_set_route(routing_component_t rc,
2428                                       const char *src, const char *dst,
2429                                       name_route_extended_t route)
2430 {
2431   routing_component_rulebased_t routing =
2432       (routing_component_rulebased_t) rc;
2433   rule_route_t ruleroute = xbt_new0(s_rule_route_t, 1);
2434   const char *error;
2435   int erroffset;
2436   ruleroute->re_src = pcre_compile(src, 0, &error, &erroffset, NULL);
2437   xbt_assert3(ruleroute->re_src,
2438               "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2439               erroffset, src, error);
2440   ruleroute->re_dst = pcre_compile(dst, 0, &error, &erroffset, NULL);
2441   xbt_assert3(ruleroute->re_src,
2442               "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2443               erroffset, dst, error);
2444   ruleroute->re_str_link = route->generic_route.link_list;
2445   xbt_dynar_push(routing->list_route, &ruleroute);
2446   xbt_free(route);
2447 }
2448
2449 static void model_rulebased_set_ASroute(routing_component_t rc,
2450                                         const char *src, const char *dst,
2451                                         name_route_extended_t route)
2452 {
2453   routing_component_rulebased_t routing =
2454       (routing_component_rulebased_t) rc;
2455   rule_route_extended_t ruleroute_e = xbt_new0(s_rule_route_extended_t, 1);
2456   const char *error;
2457   int erroffset;
2458   ruleroute_e->generic_rule_route.re_src =
2459       pcre_compile(src, 0, &error, &erroffset, NULL);
2460   xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2461               "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2462               erroffset, src, error);
2463   ruleroute_e->generic_rule_route.re_dst =
2464       pcre_compile(dst, 0, &error, &erroffset, NULL);
2465   xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2466               "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2467               erroffset, dst, error);
2468   ruleroute_e->generic_rule_route.re_str_link =
2469       route->generic_route.link_list;
2470   ruleroute_e->re_src_gateway = route->src_gateway;
2471   ruleroute_e->re_dst_gateway = route->dst_gateway;
2472   xbt_dynar_push(routing->list_ASroute, &ruleroute_e);
2473 //  xbt_free(route->src_gateway);
2474 //  xbt_free(route->dst_gateway);
2475   xbt_free(route);
2476 }
2477
2478 static void model_rulebased_set_bypassroute(routing_component_t rc,
2479                                             const char *src,
2480                                             const char *dst,
2481                                             route_extended_t e_route)
2482 {
2483   xbt_die("bypass routing not supported for Route-Based model");
2484 }
2485
2486 #define BUFFER_SIZE 4096        /* result buffer size */
2487 #define OVECCOUNT 30            /* should be a multiple of 3 */
2488
2489 static char *remplace(char *value, const char **src_list, int src_size,
2490                       const char **dst_list, int dst_size)
2491 {
2492
2493   char result_result[BUFFER_SIZE];
2494   int i_result_buffer;
2495   int value_length = (int) strlen(value);
2496   int number = 0;
2497
2498   int i = 0;
2499   i_result_buffer = 0;
2500   do {
2501     if (value[i] == '$') {
2502       i++;                      // skip $
2503
2504       // find the number
2505       int number_length = 0;
2506       while ('0' <= value[i + number_length]
2507              && value[i + number_length] <= '9') {
2508         number_length++;
2509       }
2510       xbt_assert2(number_length != 0,
2511                   "bad string parameter, no number indication, at offset: %d (\"%s\")",
2512                   i, value);
2513
2514       // solve number
2515       number = atoi(value + i);
2516       i = i + number_length;
2517       xbt_assert2(i + 2 < value_length,
2518                   "bad string parameter, too few chars, at offset: %d (\"%s\")",
2519                   i, value);
2520
2521       // solve the indication
2522       const char **param_list;
2523       int param_size;
2524       if (value[i] == 's' && value[i + 1] == 'r' && value[i + 2] == 'c') {
2525         param_list = src_list;
2526         param_size = src_size;
2527       } else if (value[i] == 'd' && value[i + 1] == 's'
2528                  && value[i + 2] == 't') {
2529         param_list = dst_list;
2530         param_size = dst_size;
2531       } else {
2532         xbt_die("bad string parameter, support only \"src\" and \"dst\", "
2533                 "at offset: %d (\"%s\")", i, value);
2534       }
2535       i = i + 3;
2536
2537       xbt_assert4(param_size >= number,
2538                   "bad string parameter, not enough length param_size, at offset: %d (\"%s\") %d %d",
2539                   i, value, param_size, number);
2540
2541       const char *param = param_list[number];
2542       int size = strlen(param);
2543       int cp;
2544       for (cp = 0; cp < size; cp++) {
2545         result_result[i_result_buffer] = param[cp];
2546         i_result_buffer++;
2547         if (i_result_buffer >= BUFFER_SIZE)
2548           break;
2549       }
2550     } else {
2551       result_result[i_result_buffer] = value[i];
2552       i_result_buffer++;
2553       i++;                      // next char
2554     }
2555
2556   } while (i < value_length && i_result_buffer < BUFFER_SIZE);
2557
2558   xbt_assert2(i_result_buffer < BUFFER_SIZE,
2559               "solving string \"%s\", small buffer size (%d)", value,
2560               BUFFER_SIZE);
2561   result_result[i_result_buffer] = 0;
2562   return xbt_strdup(result_result);
2563 }
2564
2565 static route_extended_t rulebased_get_route(routing_component_t rc,
2566                                             const char *src,
2567                                             const char *dst);
2568 static xbt_dynar_t rulebased_get_onelink_routes(routing_component_t rc)
2569 {
2570   xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
2571   routing_component_rulebased_t routing = (routing_component_rulebased_t)rc;
2572
2573   xbt_dict_cursor_t c1 = NULL;
2574   char *k1, *d1;
2575
2576   //find router
2577   char *router = NULL;
2578   xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2579     if (strstr (k1, "router")){
2580       router = k1;
2581     }
2582   }
2583   if (!router){
2584     xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2585   }
2586
2587   xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2588     route_extended_t route = rulebased_get_route (rc, router, k1);
2589
2590     int number_of_links = xbt_dynar_length(route->generic_route.link_list);
2591     if (number_of_links != 3) {
2592       xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2593     }
2594
2595     void *link_ptr;
2596     xbt_dynar_get_cpy (route->generic_route.link_list, 2, &link_ptr);
2597     onelink_t onelink = xbt_new0 (s_onelink_t, 1);
2598     onelink->src = xbt_strdup (k1);
2599     onelink->dst = xbt_strdup (router);
2600     onelink->link_ptr = link_ptr;
2601     xbt_dynar_push (ret, &onelink);
2602   }
2603   return ret;
2604 }
2605
2606 /* Business methods */
2607 static route_extended_t rulebased_get_route(routing_component_t rc,
2608                                             const char *src,
2609                                             const char *dst)
2610 {
2611   xbt_assert1(rc && src
2612               && dst,
2613               "Invalid params for \"get_route\" function at AS \"%s\"",
2614               rc->name);
2615
2616   /* set utils vars */
2617   routing_component_rulebased_t routing =
2618       (routing_component_rulebased_t) rc;
2619
2620   int are_processing_units=0;
2621   xbt_dynar_t rule_list;
2622   if (xbt_dict_get_or_null(routing->dict_processing_units, src)
2623       && xbt_dict_get_or_null(routing->dict_processing_units, dst)) {
2624     are_processing_units = 1;
2625     rule_list = routing->list_route;
2626   } else if (xbt_dict_get_or_null(routing->dict_autonomous_systems, src)
2627              && xbt_dict_get_or_null(routing->dict_autonomous_systems,
2628                                      dst)) {
2629     are_processing_units = 0;
2630     rule_list = routing->list_ASroute;
2631   } else
2632     xbt_die("Ask for route \"from\"(%s)  or \"to\"(%s) no found in "
2633             "the local table", src, dst);
2634
2635   int rc_src = -1;
2636   int rc_dst = -1;
2637   int src_length = (int) strlen(src);
2638   int dst_length = (int) strlen(dst);
2639
2640   xbt_dynar_t links_list =
2641       xbt_dynar_new(global_routing->size_of_link, NULL);
2642
2643   rule_route_t ruleroute;
2644   unsigned int cpt;
2645   int ovector_src[OVECCOUNT];
2646   int ovector_dst[OVECCOUNT];
2647   const char **list_src = NULL;
2648   const char **list_dst = NULL;
2649   int res;
2650   xbt_dynar_foreach(rule_list, cpt, ruleroute) {
2651     rc_src =
2652         pcre_exec(ruleroute->re_src, NULL, src, src_length, 0, 0,
2653                   ovector_src, OVECCOUNT);
2654     if (rc_src >= 0) {
2655       rc_dst =
2656           pcre_exec(ruleroute->re_dst, NULL, dst, dst_length, 0, 0,
2657                     ovector_dst, OVECCOUNT);
2658       if (rc_dst >= 0) {
2659         res = pcre_get_substring_list(src, ovector_src, rc_src, &list_src);
2660         xbt_assert1(!res, "error solving substring list for src \"%s\"", src);
2661         res = pcre_get_substring_list(dst, ovector_dst, rc_dst, &list_dst);
2662         xbt_assert1(!res, "error solving substring list for src \"%s\"", dst);
2663         char *link_name;
2664         xbt_dynar_foreach(ruleroute->re_str_link, cpt, link_name) {
2665           char *new_link_name =
2666               remplace(link_name, list_src, rc_src, list_dst, rc_dst);
2667           void *link =
2668                           xbt_lib_get_or_null(link_lib, new_link_name, SURF_LINK_LEVEL);
2669           if (link)
2670             xbt_dynar_push(links_list, &link);
2671           else
2672             THROW1(mismatch_error, 0, "Link %s not found", new_link_name);
2673           xbt_free(new_link_name);
2674         }
2675       }
2676     }
2677     if (rc_src >= 0 && rc_dst >= 0)
2678       break;
2679   }
2680
2681   route_extended_t new_e_route = NULL;
2682   if (rc_src >= 0 && rc_dst >= 0) {
2683     new_e_route = xbt_new0(s_route_extended_t, 1);
2684     new_e_route->generic_route.link_list = links_list;
2685   } else if (!strcmp(src, dst) && are_processing_units) {
2686     new_e_route = xbt_new0(s_route_extended_t, 1);
2687     xbt_dynar_push(links_list, &(global_routing->loopback));
2688     new_e_route->generic_route.link_list = links_list;
2689   } else {
2690     xbt_dynar_free(&link_list);
2691   }
2692
2693   if (!are_processing_units && new_e_route) {
2694     rule_route_extended_t ruleroute_extended =
2695         (rule_route_extended_t) ruleroute;
2696     new_e_route->src_gateway =
2697         remplace(ruleroute_extended->re_src_gateway, list_src, rc_src,
2698                  list_dst, rc_dst);
2699     new_e_route->dst_gateway =
2700         remplace(ruleroute_extended->re_dst_gateway, list_src, rc_src,
2701                  list_dst, rc_dst);
2702   }
2703
2704   if (list_src)
2705     pcre_free_substring_list(list_src);
2706   if (list_dst)
2707     pcre_free_substring_list(list_dst);
2708
2709   return new_e_route;
2710 }
2711
2712 static route_extended_t rulebased_get_bypass_route(routing_component_t rc,
2713                                                    const char *src,
2714                                                    const char *dst)
2715 {
2716   return NULL;
2717 }
2718
2719 static void rulebased_finalize(routing_component_t rc)
2720 {
2721   routing_component_rulebased_t routing =
2722       (routing_component_rulebased_t) rc;
2723   if (routing) {
2724     xbt_dict_free(&routing->dict_processing_units);
2725     xbt_dict_free(&routing->dict_autonomous_systems);
2726     xbt_dynar_free(&routing->list_route);
2727     xbt_dynar_free(&routing->list_ASroute);
2728     /* Delete structure */
2729     xbt_free(routing);
2730   }
2731 }
2732
2733 /* Creation routing model functions */
2734 static void *model_rulebased_create(void)
2735 {
2736   routing_component_rulebased_t new_component =
2737       xbt_new0(s_routing_component_rulebased_t, 1);
2738   new_component->generic_routing.set_processing_unit =
2739       model_rulebased_set_processing_unit;
2740   new_component->generic_routing.set_autonomous_system =
2741       model_rulebased_set_autonomous_system;
2742   new_component->generic_routing.set_route = model_rulebased_set_route;
2743   new_component->generic_routing.set_ASroute = model_rulebased_set_ASroute;
2744   new_component->generic_routing.set_bypassroute = model_rulebased_set_bypassroute;
2745   new_component->generic_routing.get_onelink_routes = rulebased_get_onelink_routes;
2746   new_component->generic_routing.get_route = rulebased_get_route;
2747   new_component->generic_routing.get_latency = generic_get_link_latency;
2748   new_component->generic_routing.get_bypass_route = rulebased_get_bypass_route;
2749   new_component->generic_routing.finalize = rulebased_finalize;
2750   new_component->generic_routing.get_network_element_type = get_network_element_type;
2751   /* initialization of internal structures */
2752   new_component->dict_processing_units = xbt_dict_new();
2753   new_component->dict_autonomous_systems = xbt_dict_new();
2754   new_component->list_route = xbt_dynar_new(sizeof(rule_route_t), &rule_route_free);
2755   new_component->list_ASroute =
2756       xbt_dynar_new(sizeof(rule_route_extended_t),
2757                     &rule_route_extended_free);
2758   return new_component;
2759 }
2760
2761 static void model_rulebased_load(void)
2762 {
2763   /* use "surfxml_add_callback" to add a parse function call */
2764 }
2765
2766 static void model_rulebased_unload(void)
2767 {
2768   /* use "surfxml_del_callback" to remove a parse function call */
2769 }
2770
2771 static void model_rulebased_end(void)
2772 {
2773 }
2774
2775 #endif                          /* HAVE_PCRE_LIB */
2776
2777 /* ************************************************************************** */
2778 /* ******************************* NO ROUTING ******************************* */
2779
2780 /* Routing model structure */
2781 typedef struct {
2782   s_routing_component_t generic_routing;
2783 } s_routing_component_none_t, *routing_component_none_t;
2784
2785 /* Business methods */
2786 static xbt_dynar_t none_get_onelink_routes(routing_component_t rc)
2787 {
2788   return NULL;
2789 }
2790
2791 static route_extended_t none_get_route(routing_component_t rc,
2792                                        const char *src, const char *dst)
2793 {
2794   return NULL;
2795 }
2796
2797 static route_extended_t none_get_bypass_route(routing_component_t rc,
2798                                               const char *src,
2799                                               const char *dst)
2800 {
2801   return NULL;
2802 }
2803
2804 static void none_finalize(routing_component_t rc)
2805 {
2806   xbt_free(rc);
2807 }
2808
2809 static void none_set_processing_unit(routing_component_t rc,
2810                                      const char *name)
2811 {
2812 }
2813
2814 static void none_set_autonomous_system(routing_component_t rc,
2815                                        const char *name)
2816 {
2817 }
2818
2819 /* Creation routing model functions */
2820 static void *model_none_create(void)
2821 {
2822   routing_component_none_t new_component =
2823       xbt_new0(s_routing_component_none_t, 1);
2824   new_component->generic_routing.set_processing_unit =
2825       none_set_processing_unit;
2826   new_component->generic_routing.set_autonomous_system =
2827       none_set_autonomous_system;
2828   new_component->generic_routing.set_route = NULL;
2829   new_component->generic_routing.set_ASroute = NULL;
2830   new_component->generic_routing.set_bypassroute = NULL;
2831   new_component->generic_routing.get_route = none_get_route;
2832   new_component->generic_routing.get_onelink_routes =
2833       none_get_onelink_routes;
2834   new_component->generic_routing.get_bypass_route = none_get_bypass_route;
2835   new_component->generic_routing.finalize = none_finalize;
2836   return new_component;
2837 }
2838
2839 static void model_none_load(void)
2840 {
2841 }
2842
2843 static void model_none_unload(void)
2844 {
2845 }
2846
2847 static void model_none_end(void)
2848 {
2849 }
2850
2851 /* ************************************************** */
2852 /* ********** PATERN FOR NEW ROUTING **************** */
2853
2854 /* The minimal configuration of a new routing model need the next functions,
2855  * also you need to set at the start of the file, the new model in the model
2856  * list. Remember keep the null ending of the list.
2857  */
2858 /*** Routing model structure ***/
2859 // typedef struct {
2860 //   s_routing_component_t generic_routing;
2861 //   /* things that your routing model need */
2862 // } s_routing_component_NEW_t,*routing_component_NEW_t;
2863
2864 /*** Parse routing model functions ***/
2865 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
2866 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
2867 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
2868 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
2869 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
2870
2871 /*** Business methods ***/
2872 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2873 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2874 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
2875
2876 /*** Creation routing model functions ***/
2877 // static void* model_NEW_create(void) {
2878 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
2879 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
2880 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
2881 //   new_component->generic_routing.set_route = model_NEW_set_route;
2882 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
2883 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
2884 //   new_component->generic_routing.get_route = NEW_get_route;
2885 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
2886 //   new_component->generic_routing.finalize = NEW_finalize;
2887 //   /* initialization of internal structures */
2888 //   return new_component;
2889 // } /* mandatory */
2890 // static void  model_NEW_load(void) {}   /* mandatory */
2891 // static void  model_NEW_unload(void) {} /* mandatory */
2892 // static void  model_NEW_end(void) {}    /* mandatory */
2893
2894 /* ************************************************************************** */
2895 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
2896
2897 static void generic_set_processing_unit(routing_component_t rc,
2898                                         const char *name)
2899 {
2900   XBT_DEBUG("Load process unit \"%s\"", name);
2901   int *id = xbt_new0(int, 1);
2902   xbt_dict_t _to_index;
2903   _to_index = current_routing->to_index;
2904   *id = xbt_dict_length(_to_index);
2905   xbt_dict_set(_to_index, name, id, xbt_free);
2906 }
2907
2908 static void generic_set_autonomous_system(routing_component_t rc,
2909                                           const char *name)
2910 {
2911   XBT_DEBUG("Load Autonomous system \"%s\"", name);
2912   int *id = xbt_new0(int, 1);
2913   xbt_dict_t _to_index;
2914   _to_index = current_routing->to_index;
2915   *id = xbt_dict_length(_to_index);
2916   xbt_dict_set(_to_index, name, id, xbt_free);
2917 }
2918
2919 static int surf_pointer_resource_cmp(const void *a, const void *b)
2920 {
2921   return a != b;
2922 }
2923
2924 static int surf_link_resource_cmp(const void *a, const void *b)
2925 {
2926   return !!memcmp(a,b,global_routing->size_of_link);
2927 }
2928
2929 static void generic_set_bypassroute(routing_component_t rc,
2930                                     const char *src, const char *dst,
2931                                     route_extended_t e_route)
2932 {
2933   XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
2934   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2935   char *route_name;
2936
2937   route_name = bprintf("%s#%s", src, dst);
2938   xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2939               "Invalid count of links, must be greater than zero (%s,%s)",
2940               src, dst);
2941   xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
2942               "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
2943               src, e_route->src_gateway, dst, e_route->dst_gateway);
2944
2945   route_extended_t new_e_route =
2946       generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
2947   xbt_dynar_free(&(e_route->generic_route.link_list));
2948   xbt_free(e_route);
2949
2950   xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
2951                (void (*)(void *)) generic_free_extended_route);
2952   xbt_free(route_name);
2953 }
2954
2955 /* ************************************************************************** */
2956 /* *********************** GENERIC BUSINESS METHODS ************************* */
2957
2958 static double generic_get_link_latency(routing_component_t rc,
2959                                        const char *src, const char *dst)
2960 {
2961         route_extended_t route = rc->get_route(rc,src,dst);
2962         void * link;
2963         unsigned int i;
2964         double latency = 0.0;
2965
2966         xbt_dynar_foreach(route->generic_route.link_list,i,link) {
2967                 latency += get_link_latency(link);
2968         }
2969         generic_free_extended_route(route);
2970   return latency;
2971 }
2972
2973 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
2974 {
2975   xbt_die("\"generic_get_onelink_routes\" not implemented yet");
2976 }
2977
2978 static route_extended_t generic_get_bypassroute(routing_component_t rc,
2979                                                 const char *src,
2980                                                 const char *dst)
2981 {
2982   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
2983   routing_component_t src_as, dst_as;
2984   int index_src, index_dst;
2985   xbt_dynar_t path_src = NULL;
2986   xbt_dynar_t path_dst = NULL;
2987   routing_component_t current = NULL;
2988   routing_component_t *current_src = NULL;
2989   routing_component_t *current_dst = NULL;
2990
2991   /* (1) find the as where the src and dst are located */
2992   src_as = ((network_element_info_t)
2993             xbt_lib_get_or_null(host_lib, src, ROUTING_HOST_LEVEL))->rc_component;
2994   dst_as = ((network_element_info_t)
2995             xbt_lib_get_or_null(host_lib, dst, ROUTING_HOST_LEVEL))->rc_component;
2996   xbt_assert2(src_as
2997               && dst_as,
2998               "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
2999               dst);
3000
3001   /* (2) find the path to the root routing component */
3002   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
3003   current = src_as;
3004   while (current != NULL) {
3005     xbt_dynar_push(path_src, &current);
3006     current = current->routing_father;
3007   }
3008   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
3009   current = dst_as;
3010   while (current != NULL) {
3011     xbt_dynar_push(path_dst, &current);
3012     current = current->routing_father;
3013   }
3014
3015   /* (3) find the common father */
3016   index_src = path_src->used - 1;
3017   index_dst = path_dst->used - 1;
3018   current_src = xbt_dynar_get_ptr(path_src, index_src);
3019   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
3020   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
3021     routing_component_t *tmp_src, *tmp_dst;
3022     tmp_src = xbt_dynar_pop_ptr(path_src);
3023     tmp_dst = xbt_dynar_pop_ptr(path_dst);
3024     index_src--;
3025     index_dst--;
3026     current_src = xbt_dynar_get_ptr(path_src, index_src);
3027     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
3028   }
3029
3030   int max_index_src = path_src->used - 1;
3031   int max_index_dst = path_dst->used - 1;
3032
3033   int max_index = max(max_index_src, max_index_dst);
3034   int i, max;
3035
3036   route_extended_t e_route_bypass = NULL;
3037
3038   for (max = 0; max <= max_index; max++) {
3039     for (i = 0; i < max; i++) {
3040       if (i <= max_index_src && max <= max_index_dst) {
3041         char *route_name = bprintf("%s#%s",
3042                                    (*(routing_component_t *)
3043                                     (xbt_dynar_get_ptr
3044                                      (path_src, i)))->name,
3045                                    (*(routing_component_t *)
3046                                     (xbt_dynar_get_ptr
3047                                      (path_dst, max)))->name);
3048         e_route_bypass =
3049             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
3050         xbt_free(route_name);
3051       }
3052       if (e_route_bypass)
3053         break;
3054       if (max <= max_index_src && i <= max_index_dst) {
3055         char *route_name = bprintf("%s#%s",
3056                                    (*(routing_component_t *)
3057                                     (xbt_dynar_get_ptr
3058                                      (path_src, max)))->name,
3059                                    (*(routing_component_t *)
3060                                     (xbt_dynar_get_ptr
3061                                      (path_dst, i)))->name);
3062         e_route_bypass =
3063             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
3064         xbt_free(route_name);
3065       }
3066       if (e_route_bypass)
3067         break;
3068     }
3069
3070     if (e_route_bypass)
3071       break;
3072
3073     if (max <= max_index_src && max <= max_index_dst) {
3074       char *route_name = bprintf("%s#%s",
3075                                  (*(routing_component_t *)
3076                                   (xbt_dynar_get_ptr
3077                                    (path_src, max)))->name,
3078                                  (*(routing_component_t *)
3079                                   (xbt_dynar_get_ptr
3080                                    (path_dst, max)))->name);
3081       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
3082       xbt_free(route_name);
3083     }
3084     if (e_route_bypass)
3085       break;
3086   }
3087
3088   xbt_dynar_free(&path_src);
3089   xbt_dynar_free(&path_dst);
3090
3091   route_extended_t new_e_route = NULL;
3092
3093   if (e_route_bypass) {
3094     void *link;
3095     unsigned int cpt = 0;
3096     new_e_route = xbt_new0(s_route_extended_t, 1);
3097     new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
3098     new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
3099     new_e_route->generic_route.link_list =
3100         xbt_dynar_new(global_routing->size_of_link, NULL);
3101     xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
3102       xbt_dynar_push(new_e_route->generic_route.link_list, &link);
3103     }
3104   }
3105
3106   return new_e_route;
3107 }
3108
3109 /* ************************************************************************** */
3110 /* ************************* GENERIC AUX FUNCTIONS ************************** */
3111
3112 static route_t
3113 generic_new_route(e_surf_routing_hierarchy_t hierarchy,
3114                            void *data, int order)
3115 {
3116
3117   char *link_name;
3118   route_t new_route;
3119   unsigned int cpt;
3120   xbt_dynar_t links = NULL, links_id = NULL;
3121
3122   new_route = xbt_new0(s_route_t, 1);
3123   new_route->link_list =
3124       xbt_dynar_new(global_routing->size_of_link, NULL);
3125
3126   xbt_assert0(hierarchy == SURF_ROUTING_BASE,
3127               "the hierarchy type is not SURF_ROUTING_BASE");
3128
3129   links = ((route_t) data)->link_list;
3130
3131
3132   links_id = new_route->link_list;
3133
3134   xbt_dynar_foreach(links, cpt, link_name) {
3135
3136     void *link =
3137                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
3138     if (link) {
3139       if (order)
3140         xbt_dynar_push(links_id, &link);
3141       else
3142         xbt_dynar_unshift(links_id, &link);
3143     } else
3144       THROW1(mismatch_error, 0, "Link %s not found", link_name);
3145   }
3146
3147   return new_route;
3148 }
3149
3150 static route_extended_t
3151 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
3152                            void *data, int order)
3153 {
3154
3155   char *link_name;
3156   route_extended_t e_route, new_e_route;
3157   route_t route;
3158   unsigned int cpt;
3159   xbt_dynar_t links = NULL, links_id = NULL;
3160
3161   new_e_route = xbt_new0(s_route_extended_t, 1);
3162   new_e_route->generic_route.link_list =
3163       xbt_dynar_new(global_routing->size_of_link, NULL);
3164   new_e_route->src_gateway = NULL;
3165   new_e_route->dst_gateway = NULL;
3166
3167   xbt_assert0(hierarchy == SURF_ROUTING_BASE
3168               || hierarchy == SURF_ROUTING_RECURSIVE,
3169               "the hierarchy type is not defined");
3170
3171   if (hierarchy == SURF_ROUTING_BASE) {
3172
3173     route = (route_t) data;
3174     links = route->link_list;
3175
3176   } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
3177
3178     e_route = (route_extended_t) data;
3179     xbt_assert0(e_route->src_gateway
3180                 && e_route->dst_gateway, "bad gateway, is null");
3181     links = e_route->generic_route.link_list;
3182
3183     /* remeber not erase the gateway names */
3184     new_e_route->src_gateway = e_route->src_gateway;
3185     new_e_route->dst_gateway = e_route->dst_gateway;
3186   }
3187
3188   links_id = new_e_route->generic_route.link_list;
3189
3190   xbt_dynar_foreach(links, cpt, link_name) {
3191
3192     void *link =
3193                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
3194     if (link) {
3195       if (order)
3196         xbt_dynar_push(links_id, &link);
3197       else
3198         xbt_dynar_unshift(links_id, &link);
3199     } else
3200       THROW1(mismatch_error, 0, "Link %s not found", link_name);
3201   }
3202
3203   return new_e_route;
3204 }
3205
3206 static void generic_free_route(route_t route)
3207 {
3208   if (route) {
3209     xbt_dynar_free(&(route->link_list));
3210     xbt_free(route);
3211   }
3212 }
3213
3214 static void generic_free_extended_route(route_extended_t e_route)
3215 {
3216   if (e_route) {
3217     xbt_dynar_free(&(e_route->generic_route.link_list));
3218     if (e_route->src_gateway)
3219       xbt_free(e_route->src_gateway);
3220     if (e_route->dst_gateway)
3221       xbt_free(e_route->dst_gateway);
3222     xbt_free(e_route);
3223   }
3224 }
3225
3226 static routing_component_t generic_as_exist(routing_component_t find_from,
3227                                             routing_component_t to_find)
3228 {
3229   //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
3230   xbt_dict_cursor_t cursor = NULL;
3231   char *key;
3232   int found = 0;
3233   routing_component_t elem;
3234   xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
3235     if (to_find == elem || generic_as_exist(elem, to_find)) {
3236       found = 1;
3237       break;
3238     }
3239   }
3240   if (found)
3241     return to_find;
3242   return NULL;
3243 }
3244
3245 static routing_component_t
3246 generic_autonomous_system_exist(routing_component_t rc, char *element)
3247 {
3248   //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
3249   routing_component_t element_as, result, elem;
3250   xbt_dict_cursor_t cursor = NULL;
3251   char *key;
3252   element_as = ((network_element_info_t)
3253                 xbt_lib_get_or_null(as_router_lib, element, ROUTING_ASR_LEVEL))->rc_component;
3254   result = ((routing_component_t) - 1);
3255   if (element_as != rc)
3256     result = generic_as_exist(rc, element_as);
3257
3258   int found = 0;
3259   if (result) {
3260     xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
3261       found = !strcmp(elem->name, element);
3262       if (found)
3263         break;
3264     }
3265     if (found)
3266       return element_as;
3267   }
3268   return NULL;
3269 }
3270
3271 static routing_component_t
3272 generic_processing_units_exist(routing_component_t rc, char *element)
3273 {
3274   routing_component_t element_as;
3275   element_as = ((network_element_info_t)
3276                 xbt_lib_get_or_null(host_lib,
3277                  element, ROUTING_HOST_LEVEL))->rc_component;
3278   if (element_as == rc)
3279     return element_as;
3280   return generic_as_exist(rc, element_as);
3281 }
3282
3283 static void generic_src_dst_check(routing_component_t rc, const char *src,
3284                                   const char *dst)
3285 {
3286
3287   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
3288   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
3289   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
3290   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
3291
3292   if(src_data == NULL || dst_data == NULL)
3293           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
3294                      src, dst, rc->name);
3295
3296   routing_component_t src_as = ((network_element_info_t)src_data)->rc_component;
3297   routing_component_t dst_as = ((network_element_info_t)dst_data)->rc_component;
3298
3299   if(src_as != dst_as)
3300           xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
3301               src, src_as->name, dst, dst_as->name);
3302   if(rc != dst_as)
3303          xbt_die("The routing component of src and dst is not the same as the network elements belong (%s==%s)",
3304      rc->name, dst_as->name);
3305 }
3306
3307 static void routing_parse_Sconfig(void)
3308 {
3309   XBT_DEBUG("START configuration name = %s",A_surfxml_config_id);
3310 }
3311
3312 static void routing_parse_Econfig(void)
3313 {
3314   xbt_dict_cursor_t cursor = NULL;
3315   char *key;
3316   char *elem;
3317   char *cfg;
3318   xbt_dict_foreach(current_property_set, cursor, key, elem) {
3319           cfg = bprintf("%s:%s",key,elem);
3320           if(xbt_cfg_is_default_value(_surf_cfg_set, key))
3321                   xbt_cfg_set_parse(_surf_cfg_set, cfg);
3322           else
3323                   XBT_INFO("The custom configuration '%s' is already define by user!",key);
3324           free(cfg);
3325   }
3326   XBT_DEBUG("End configuration name = %s",A_surfxml_config_id);
3327 }
3328
3329 static void routing_parse_Scluster(void)
3330 {
3331   static int AX_ptr = 0;
3332
3333   char *cluster_id = A_surfxml_cluster_id;
3334   char *cluster_prefix = A_surfxml_cluster_prefix;
3335   char *cluster_suffix = A_surfxml_cluster_suffix;
3336   char *cluster_radical = A_surfxml_cluster_radical;
3337   char *cluster_power = A_surfxml_cluster_power;
3338   char *cluster_core = A_surfxml_cluster_core;
3339   char *cluster_bw = A_surfxml_cluster_bw;
3340   char *cluster_lat = A_surfxml_cluster_lat;
3341   char *temp_cluster_bw = NULL;
3342   char *temp_cluster_lat = NULL;
3343   char *temp_cluster_power = NULL;
3344   char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
3345   char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
3346   char *cluster_availability_file = A_surfxml_cluster_availability_file;
3347   char *cluster_state_file = A_surfxml_cluster_state_file;
3348   char *host_id, *groups, *link_id = NULL;
3349   char *router_id, *link_router, *link_backbone;
3350   char *availability_file = bprintf("%s",cluster_availability_file);
3351   char *state_file = bprintf("%s",cluster_state_file);
3352
3353   if(xbt_dict_size(patterns)==0)
3354           patterns = xbt_dict_new();
3355
3356   xbt_dict_set(patterns,"id",cluster_id,NULL);
3357   xbt_dict_set(patterns,"prefix",cluster_prefix,NULL);
3358   xbt_dict_set(patterns,"suffix",cluster_suffix,NULL);
3359
3360 #ifdef HAVE_PCRE_LIB
3361   char *route_src_dst;
3362 #endif
3363   unsigned int iter;
3364   int start, end, i;
3365   xbt_dynar_t radical_elements;
3366   xbt_dynar_t radical_ends;
3367   int cluster_sharing_policy = AX_surfxml_cluster_sharing_policy;
3368   int cluster_bb_sharing_policy = AX_surfxml_cluster_bb_sharing_policy;
3369
3370 #ifndef HAVE_PCRE_LIB
3371   xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
3372   char *route_src, *route_dst;
3373   int j;
3374 #endif
3375
3376   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
3377   static unsigned int surfxml_buffer_stack_stack[1024];
3378
3379   surfxml_buffer_stack_stack[0] = 0;
3380
3381   surfxml_bufferstack_push(1);
3382
3383   SURFXML_BUFFER_SET(AS_id, cluster_id);
3384 #ifdef HAVE_PCRE_LIB
3385   SURFXML_BUFFER_SET(AS_routing, "RuleBased");
3386   XBT_DEBUG("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
3387 #else
3388   SURFXML_BUFFER_SET(AS_routing, "Full");
3389   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
3390 #endif
3391   SURFXML_START_TAG(AS);
3392
3393   radical_elements = xbt_str_split(cluster_radical, ",");
3394   xbt_dynar_foreach(radical_elements, iter, groups) {
3395     radical_ends = xbt_str_split(groups, "-");
3396     switch (xbt_dynar_length(radical_ends)) {
3397     case 1:
3398       surf_parse_get_int(&start,
3399                          xbt_dynar_get_as(radical_ends, 0, char *));
3400       host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
3401 #ifndef HAVE_PCRE_LIB
3402       xbt_dynar_push_as(tab_elements_num, int, start);
3403 #endif
3404       link_id = bprintf("%s_link_%d", cluster_id, start);
3405
3406       xbt_dict_set(patterns, "radical", bprintf("%d", start), xbt_free);
3407       temp_cluster_power = bprintf("%s",cluster_power);
3408       temp_cluster_power = replace_random_parameter(temp_cluster_power);
3409       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
3410       A_surfxml_host_state = A_surfxml_host_state_ON;
3411       SURFXML_BUFFER_SET(host_id, host_id);
3412       SURFXML_BUFFER_SET(host_power, temp_cluster_power);
3413       SURFXML_BUFFER_SET(host_core, cluster_core);
3414       SURFXML_BUFFER_SET(host_availability, "1.0");
3415       SURFXML_BUFFER_SET(host_coordinates, "");
3416       xbt_free(availability_file);
3417       availability_file = bprintf("%s",cluster_availability_file);
3418       xbt_free(state_file);
3419       state_file = bprintf("%s",cluster_state_file);
3420       XBT_DEBUG("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
3421       XBT_DEBUG("\tstate_file=\"%s\"",xbt_str_varsubst(state_file,patterns));
3422       SURFXML_BUFFER_SET(host_availability_file, xbt_str_varsubst(availability_file,patterns));
3423       SURFXML_BUFFER_SET(host_state_file, xbt_str_varsubst(state_file,patterns));
3424       XBT_DEBUG("</host>");
3425       SURFXML_START_TAG(host);
3426       SURFXML_END_TAG(host);
3427
3428
3429       temp_cluster_bw = bprintf("%s",cluster_bw);
3430       temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
3431       temp_cluster_lat = bprintf("%s",cluster_lat);
3432       temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
3433       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
3434       A_surfxml_link_state = A_surfxml_link_state_ON;
3435       A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3436       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3437           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
3438       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
3439           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
3440       SURFXML_BUFFER_SET(link_id, link_id);
3441       SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
3442       SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
3443       SURFXML_BUFFER_SET(link_bandwidth_file, "");
3444       SURFXML_BUFFER_SET(link_latency_file, "");
3445       SURFXML_BUFFER_SET(link_state_file, "");
3446       SURFXML_START_TAG(link);
3447       SURFXML_END_TAG(link);
3448
3449       xbt_free(temp_cluster_bw);
3450       xbt_free(temp_cluster_lat);
3451       xbt_free(temp_cluster_power);
3452       free(link_id);
3453       free(host_id);
3454       break;
3455
3456     case 2:
3457
3458       surf_parse_get_int(&start,
3459                          xbt_dynar_get_as(radical_ends, 0, char *));
3460       surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
3461       for (i = start; i <= end; i++) {
3462         host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
3463 #ifndef HAVE_PCRE_LIB
3464         xbt_dynar_push_as(tab_elements_num, int, i);
3465 #endif
3466         link_id = bprintf("%s_link_%d", cluster_id, i);
3467
3468         xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
3469         temp_cluster_power = bprintf("%s",cluster_power);
3470         temp_cluster_power = replace_random_parameter(temp_cluster_power);
3471         XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
3472         A_surfxml_host_state = A_surfxml_host_state_ON;
3473         SURFXML_BUFFER_SET(host_id, host_id);
3474         SURFXML_BUFFER_SET(host_power, temp_cluster_power);
3475         SURFXML_BUFFER_SET(host_core, cluster_core);
3476         SURFXML_BUFFER_SET(host_availability, "1.0");
3477         SURFXML_BUFFER_SET(host_coordinates, "");
3478         xbt_free(availability_file);
3479         availability_file = bprintf("%s",cluster_availability_file);
3480         xbt_free(state_file);
3481         state_file = bprintf("%s",cluster_state_file);
3482         XBT_DEBUG("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
3483         XBT_DEBUG("\tstate_file=\"%s\"",xbt_str_varsubst(state_file,patterns));
3484         SURFXML_BUFFER_SET(host_availability_file, xbt_str_varsubst(availability_file,patterns));
3485         SURFXML_BUFFER_SET(host_state_file, xbt_str_varsubst(state_file,patterns));
3486         XBT_DEBUG("</host>");
3487         SURFXML_START_TAG(host);
3488         SURFXML_END_TAG(host);
3489
3490         xbt_free(temp_cluster_power);
3491
3492         temp_cluster_bw = bprintf("%s",cluster_bw);
3493         temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
3494         temp_cluster_lat = bprintf("%s",cluster_lat);
3495         temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
3496         XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
3497         A_surfxml_link_state = A_surfxml_link_state_ON;
3498         A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3499         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3500             {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
3501         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
3502             {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
3503         SURFXML_BUFFER_SET(link_id, link_id);
3504         SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
3505         SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
3506         SURFXML_BUFFER_SET(link_bandwidth_file, "");
3507         SURFXML_BUFFER_SET(link_latency_file, "");
3508         SURFXML_BUFFER_SET(link_state_file, "");
3509         SURFXML_START_TAG(link);
3510         SURFXML_END_TAG(link);
3511
3512         xbt_free(temp_cluster_bw);
3513         xbt_free(temp_cluster_lat);
3514         free(link_id);
3515         free(host_id);
3516       }
3517       break;
3518
3519     default:
3520       XBT_DEBUG("Malformed radical");
3521     }
3522
3523     xbt_dynar_free(&radical_ends);
3524   }
3525   xbt_dynar_free(&radical_elements);
3526
3527   XBT_DEBUG(" ");
3528   router_id =
3529       bprintf("%s%s_router%s", cluster_prefix, cluster_id,
3530               cluster_suffix);
3531   link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
3532   link_backbone = bprintf("%s_backbone", cluster_id);
3533
3534   XBT_DEBUG("<router id=\"%s\"/>", router_id);
3535   SURFXML_BUFFER_SET(router_id, router_id);
3536   SURFXML_START_TAG(router);
3537   SURFXML_END_TAG(router);
3538
3539   //TODO
3540   xbt_dict_set(patterns, "radical", bprintf("_router"), xbt_free);
3541   temp_cluster_bw = bprintf("%s",cluster_bw);
3542   temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
3543   temp_cluster_lat = bprintf("%s",cluster_lat);
3544   temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
3545   XBT_DEBUG("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,temp_cluster_bw, temp_cluster_lat);
3546   A_surfxml_link_state = A_surfxml_link_state_ON;
3547   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3548   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3549   {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
3550   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
3551   {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
3552   SURFXML_BUFFER_SET(link_id, link_router);
3553   SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
3554   SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
3555   SURFXML_BUFFER_SET(link_bandwidth_file, "");
3556   SURFXML_BUFFER_SET(link_latency_file, "");
3557   SURFXML_BUFFER_SET(link_state_file, "");
3558   SURFXML_START_TAG(link);
3559   SURFXML_END_TAG(link);
3560
3561   xbt_free(temp_cluster_bw);
3562   xbt_free(temp_cluster_lat);
3563
3564   XBT_DEBUG("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bb_bw, cluster_bb_lat);
3565   A_surfxml_link_state = A_surfxml_link_state_ON;
3566   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3567   if(cluster_bb_sharing_policy == A_surfxml_cluster_bb_sharing_policy_FATPIPE)
3568   {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
3569   SURFXML_BUFFER_SET(link_id, link_backbone);
3570   SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
3571   SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
3572   SURFXML_BUFFER_SET(link_bandwidth_file, "");
3573   SURFXML_BUFFER_SET(link_latency_file, "");
3574   SURFXML_BUFFER_SET(link_state_file, "");
3575   SURFXML_START_TAG(link);
3576   SURFXML_END_TAG(link);
3577
3578   XBT_DEBUG(" ");
3579
3580 #ifdef HAVE_PCRE_LIB
3581   char *new_suffix = xbt_strdup("");
3582
3583   radical_elements = xbt_str_split(cluster_suffix, ".");
3584   xbt_dynar_foreach(radical_elements, iter, groups) {
3585     if (strcmp(groups, "")) {
3586       char *old_suffix = new_suffix;
3587       new_suffix = bprintf("%s\\.%s", old_suffix, groups);
3588       free(old_suffix);
3589     }
3590   }
3591   route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
3592   xbt_dynar_free(&radical_elements);
3593   free(new_suffix);
3594
3595   char *pcre_link_src = bprintf("%s_link_$1src", cluster_id);
3596   char *pcre_link_backbone = bprintf("%s_backbone", cluster_id);
3597   char *pcre_link_dst = bprintf("%s_link_$1dst", cluster_id);
3598
3599   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, route_src_dst);
3600   XBT_DEBUG("symmetrical=\"NO\">");
3601   SURFXML_BUFFER_SET(route_src, route_src_dst);
3602   SURFXML_BUFFER_SET(route_dst, route_src_dst);
3603   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
3604   SURFXML_START_TAG(route);
3605
3606   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_src);
3607   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_src);
3608   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3609   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3610   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3611   SURFXML_START_TAG(link_ctn);
3612   SURFXML_END_TAG(link_ctn);
3613
3614   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
3615   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
3616   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3617   SURFXML_START_TAG(link_ctn);
3618   SURFXML_END_TAG(link_ctn);
3619
3620   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_dst);
3621   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_dst);
3622   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3623   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3624   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
3625   SURFXML_START_TAG(link_ctn);
3626   SURFXML_END_TAG(link_ctn);
3627
3628   XBT_DEBUG("</route>");
3629   SURFXML_END_TAG(route);
3630
3631   free(pcre_link_dst);
3632   free(pcre_link_backbone);
3633   free(pcre_link_src);
3634   free(route_src_dst);
3635 #else
3636   for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
3637     for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
3638       if (i == xbt_dynar_length(tab_elements_num)) {
3639         route_src = router_id;
3640       } else {
3641         route_src =
3642             bprintf("%s%d%s", cluster_prefix,
3643                     xbt_dynar_get_as(tab_elements_num, i, int),
3644                     cluster_suffix);
3645       }
3646
3647       if (j == xbt_dynar_length(tab_elements_num)) {
3648         route_dst = router_id;
3649       } else {
3650         route_dst =
3651             bprintf("%s%d%s", cluster_prefix,
3652                     xbt_dynar_get_as(tab_elements_num, j, int),
3653                     cluster_suffix);
3654       }
3655
3656       XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src, route_dst);
3657       XBT_DEBUG("symmetrical=\"NO\">");
3658       SURFXML_BUFFER_SET(route_src, route_src);
3659       SURFXML_BUFFER_SET(route_dst, route_dst);
3660       A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
3661       SURFXML_START_TAG(route);
3662
3663       if (i == xbt_dynar_length(tab_elements_num)) {
3664         route_src = link_router;
3665       } else {
3666         route_src =
3667             bprintf("%s_link_%d", cluster_id,
3668                     xbt_dynar_get_as(tab_elements_num, i, int));
3669       }
3670
3671       if (j == xbt_dynar_length(tab_elements_num)) {
3672         route_dst = link_router;
3673       } else {
3674         route_dst =
3675             bprintf("%s_link_%d", cluster_id,
3676                     xbt_dynar_get_as(tab_elements_num, j, int));
3677       }
3678
3679       XBT_DEBUG("<link_ctn\tid=\"%s\"/>", route_src);
3680       SURFXML_BUFFER_SET(link_ctn_id, route_src);
3681       A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3682       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3683       {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3684       SURFXML_START_TAG(link_ctn);
3685       SURFXML_END_TAG(link_ctn);
3686
3687       XBT_DEBUG("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
3688       SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3689       A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3690       SURFXML_START_TAG(link_ctn);
3691       SURFXML_END_TAG(link_ctn);
3692
3693       XBT_DEBUG("<link_ctn\tid=\"%s\"/>", route_dst);
3694       SURFXML_BUFFER_SET(link_ctn_id, route_dst);
3695       A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3696       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3697       {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
3698       SURFXML_START_TAG(link_ctn);
3699       SURFXML_END_TAG(link_ctn);
3700
3701       XBT_DEBUG("</route>");
3702       SURFXML_END_TAG(route);
3703     }
3704   }
3705   xbt_dynar_free(&tab_elements_num);
3706
3707 #endif
3708
3709   free(router_id);
3710   free(link_backbone);
3711   free(link_router);
3712   xbt_dict_free(&patterns);
3713   free(availability_file);
3714   free(state_file);
3715
3716   XBT_DEBUG("</AS>");
3717   SURFXML_END_TAG(AS);
3718   XBT_DEBUG(" ");
3719
3720   surfxml_bufferstack_pop(1);
3721 }
3722 /*
3723  * This function take a string and replace parameters from patterns dict.
3724  * It returns the new value.
3725  */
3726 static char* replace_random_parameter(char * string)
3727 {
3728   char *test_string = NULL;
3729
3730   if(xbt_dict_size(random_value)==0)
3731     return string;
3732
3733   string = xbt_str_varsubst(string, patterns); // for patterns of cluster
3734   test_string = bprintf("${%s}", string);
3735   test_string = xbt_str_varsubst(test_string,random_value); //Add ${xxxxx} for random Generator
3736
3737   if (strcmp(test_string,"")) { //if not empty, keep this value.
3738     xbt_free(string);
3739     string = test_string;
3740   } //In other case take old value (without ${})
3741   else
3742         free(test_string);
3743   return string;
3744 }
3745
3746 static void clean_dict_random(void)
3747 {
3748         XBT_DEBUG("Clean dict for random");
3749         xbt_dict_free(&random_value);
3750         xbt_dict_free(&patterns);
3751 }
3752
3753 static void routing_parse_Speer(void)
3754 {
3755   static int AX_ptr = 0;
3756
3757   char *peer_id = A_surfxml_peer_id;
3758   char *peer_power = A_surfxml_peer_power;
3759   char *peer_bw_in = A_surfxml_peer_bw_in;
3760   char *peer_bw_out = A_surfxml_peer_bw_out;
3761   char *peer_lat = A_surfxml_peer_lat;
3762   char *peer_coord = A_surfxml_peer_coordinates;
3763   char *peer_state_file = A_surfxml_peer_state_file;
3764   char *peer_availability_file = A_surfxml_peer_availability_file;
3765
3766   char *host_id = NULL;
3767   char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
3768
3769 #ifdef HAVE_PCRE_LIB
3770
3771 #endif
3772
3773   int peer_sharing_policy = AX_surfxml_peer_sharing_policy;
3774
3775 #ifndef HAVE_PCRE_LIB
3776   //xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
3777   //char *route_src, *route_dst;
3778   //int j;
3779 #endif
3780
3781   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
3782   static unsigned int surfxml_buffer_stack_stack[1024];
3783
3784   surfxml_buffer_stack_stack[0] = 0;
3785
3786   surfxml_bufferstack_push(1);
3787
3788   SURFXML_BUFFER_SET(AS_id, peer_id);
3789   SURFXML_BUFFER_SET(AS_coordinates, peer_coord);
3790 #ifdef HAVE_PCRE_LIB
3791   SURFXML_BUFFER_SET(AS_routing, "RuleBased");
3792   XBT_DEBUG("<AS id=\"%s\"\trouting=\"RuleBased\">", peer_id);
3793 #else
3794   SURFXML_BUFFER_SET(AS_routing, "Full");
3795   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer_id);
3796 #endif
3797   SURFXML_START_TAG(AS);
3798
3799   XBT_DEBUG(" ");
3800   host_id = bprintf("peer_%s", peer_id);
3801   router_id = bprintf("router_%s", peer_id);
3802   link_id_up = bprintf("link_%s_up", peer_id);
3803   link_id_down = bprintf("link_%s_down", peer_id);
3804
3805   link_router = bprintf("%s_link_router", peer_id);
3806   link_backbone = bprintf("%s_backbone", peer_id);
3807
3808   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, peer_power);
3809   A_surfxml_host_state = A_surfxml_host_state_ON;
3810   SURFXML_BUFFER_SET(host_id, host_id);
3811   SURFXML_BUFFER_SET(host_power, peer_power);
3812   SURFXML_BUFFER_SET(host_availability, "1.0");
3813   SURFXML_BUFFER_SET(host_availability_file, peer_availability_file);
3814   SURFXML_BUFFER_SET(host_state_file, peer_state_file);
3815   SURFXML_BUFFER_SET(host_coordinates, "");
3816   SURFXML_START_TAG(host);
3817   SURFXML_END_TAG(host);
3818
3819   XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer_coord);
3820   SURFXML_BUFFER_SET(router_id, router_id);
3821   SURFXML_BUFFER_SET(router_coordinates, peer_coord);
3822   SURFXML_START_TAG(router);
3823   SURFXML_END_TAG(router);
3824
3825   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_up, peer_bw_in, peer_lat);
3826   A_surfxml_link_state = A_surfxml_link_state_ON;
3827   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3828   if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FULLDUPLEX)
3829 {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
3830   SURFXML_BUFFER_SET(link_id, link_id_up);
3831   SURFXML_BUFFER_SET(link_bandwidth, peer_bw_in);
3832   SURFXML_BUFFER_SET(link_latency, peer_lat);
3833   SURFXML_BUFFER_SET(link_bandwidth_file, "");
3834   SURFXML_BUFFER_SET(link_latency_file, "");
3835   SURFXML_BUFFER_SET(link_state_file, "");
3836   SURFXML_START_TAG(link);
3837   SURFXML_END_TAG(link);
3838
3839   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_down, peer_bw_out, peer_lat);
3840   A_surfxml_link_state = A_surfxml_link_state_ON;
3841   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3842   if(peer_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
3843 {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
3844   SURFXML_BUFFER_SET(link_id, link_id_down);
3845   SURFXML_BUFFER_SET(link_bandwidth, peer_bw_out);
3846   SURFXML_BUFFER_SET(link_latency, peer_lat);
3847   SURFXML_BUFFER_SET(link_bandwidth_file, "");
3848   SURFXML_BUFFER_SET(link_latency_file, "");
3849   SURFXML_BUFFER_SET(link_state_file, "");
3850   SURFXML_START_TAG(link);
3851   SURFXML_END_TAG(link);
3852
3853   XBT_DEBUG(" ");
3854
3855   // begin here
3856   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", peer_id, router_id);
3857   XBT_DEBUG("symmetrical=\"NO\">");
3858   SURFXML_BUFFER_SET(route_src, peer_id);
3859   SURFXML_BUFFER_SET(route_dst, router_id);
3860   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
3861   SURFXML_START_TAG(route);
3862
3863   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
3864   SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
3865   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3866   if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FULLDUPLEX)
3867   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
3868   SURFXML_START_TAG(link_ctn);
3869   SURFXML_END_TAG(link_ctn);
3870
3871   XBT_DEBUG("</route>");
3872   SURFXML_END_TAG(route);
3873
3874   //Opposite Route
3875   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, peer_id);
3876   XBT_DEBUG("symmetrical=\"NO\">");
3877   SURFXML_BUFFER_SET(route_src, router_id);
3878   SURFXML_BUFFER_SET(route_dst, peer_id);
3879   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
3880   SURFXML_START_TAG(route);
3881
3882   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
3883   SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
3884   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
3885   if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FULLDUPLEX)
3886   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
3887   SURFXML_START_TAG(link_ctn);
3888   SURFXML_END_TAG(link_ctn);
3889
3890   XBT_DEBUG("</route>");
3891   SURFXML_END_TAG(route);
3892
3893   XBT_DEBUG("</AS>");
3894   SURFXML_END_TAG(AS);
3895   XBT_DEBUG(" ");
3896
3897   //xbt_dynar_free(&tab_elements_num);
3898
3899   surfxml_bufferstack_pop(1);
3900 }
3901
3902 static void routing_parse_Srandom(void)
3903 {
3904           double mean, std, min, max, seed;
3905           char *random_id = A_surfxml_random_id;
3906           char *random_radical = A_surfxml_random_radical;
3907           char *rd_name = NULL;
3908           char *rd_value;
3909           surf_parse_get_double(&mean,A_surfxml_random_mean);
3910           surf_parse_get_double(&std,A_surfxml_random_std_deviation);
3911           surf_parse_get_double(&min,A_surfxml_random_min);
3912           surf_parse_get_double(&max,A_surfxml_random_max);
3913           surf_parse_get_double(&seed,A_surfxml_random_seed);
3914
3915           double res = 0;
3916           int i = 0;
3917           random_data_t random = xbt_new0(s_random_data_t, 1);
3918           char *tmpbuf;
3919
3920           xbt_dynar_t radical_elements;
3921           unsigned int iter;
3922           char *groups;
3923           int start, end;
3924           xbt_dynar_t radical_ends;
3925
3926           random->generator = A_surfxml_random_generator;
3927           random->seed = seed;
3928           random->min = min;
3929           random->max = max;
3930
3931           /* Check user stupidities */
3932           if (max < min)
3933             THROW2(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
3934           if (mean < min)
3935             THROW2(arg_error, 0, "random->mean < random->min (%f < %f)", mean,
3936                    min);
3937           if (mean > max)
3938             THROW2(arg_error, 0, "random->mean > random->max (%f > %f)", mean,
3939                    max);
3940
3941           /* normalize the mean and standard deviation before storing */
3942           random->mean = (mean - min) / (max - min);
3943           random->std = std / (max - min);
3944
3945           if (random->mean * (1 - random->mean) < random->std * random->std)
3946             THROW2(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
3947                    random->mean, random->std);
3948
3949           XBT_DEBUG("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
3950           random_id,
3951           random->min,
3952           random->max,
3953           random->mean,
3954           random->std,
3955           random->generator,
3956           random->seed,
3957           random_radical);
3958
3959           if(xbt_dict_size(random_value)==0)
3960                   random_value = xbt_dict_new();
3961
3962           if(!strcmp(random_radical,""))
3963           {
3964                   res = random_generate(random);
3965                   rd_value = bprintf("%f",res);
3966                   xbt_dict_set(random_value, random_id, rd_value, free);
3967           }
3968           else
3969           {
3970                   radical_elements = xbt_str_split(random_radical, ",");
3971                   xbt_dynar_foreach(radical_elements, iter, groups) {
3972                         radical_ends = xbt_str_split(groups, "-");
3973                         switch (xbt_dynar_length(radical_ends)) {
3974                         case 1:
3975                                           xbt_assert1(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",random_id);
3976                                           res = random_generate(random);
3977                                           tmpbuf = bprintf("%s%d",random_id,atoi(xbt_dynar_getfirst_as(radical_ends,char *)));
3978                                           xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
3979                                           xbt_free(tmpbuf);
3980                                           break;
3981
3982                         case 2:   surf_parse_get_int(&start,
3983                                                                                  xbt_dynar_get_as(radical_ends, 0, char *));
3984                                           surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
3985                                           for (i = start; i <= end; i++) {
3986                                                   xbt_assert1(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",bprintf("%s%d",random_id,i));
3987                                                   res = random_generate(random);
3988                           tmpbuf = bprintf("%s%d",random_id,i);
3989                                                   xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
3990                           xbt_free(tmpbuf);
3991                                           }
3992                                           break;
3993                         default:
3994                                 XBT_INFO("Malformed radical");
3995                         }
3996                         res = random_generate(random);
3997                         rd_name  = bprintf("%s_router",random_id);
3998                         rd_value = bprintf("%f",res);
3999                         xbt_dict_set(random_value, rd_name, rd_value, free);
4000
4001                         xbt_dynar_free(&radical_ends);
4002                   }
4003                   free(rd_name);
4004                   xbt_dynar_free(&radical_elements);
4005           }
4006 }
4007
4008 static void routing_parse_Erandom(void)
4009 {
4010         xbt_dict_cursor_t cursor = NULL;
4011         char *key;
4012         char *elem;
4013
4014         xbt_dict_foreach(random_value, cursor, key, elem) {
4015           XBT_DEBUG("%s = %s",key,elem);
4016         }
4017
4018 }
4019
4020
4021 /*
4022  * New methods to init the routing model component from the lua script
4023  */
4024
4025 /*
4026  * calling parse_S_AS_lua with lua values
4027  */
4028 void routing_AS_init(const char *AS_id, const char *AS_routing)
4029 {
4030   parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
4031 }
4032
4033 /*
4034  * calling parse_E_AS_lua to fisnish the creation of routing component
4035  */
4036 void routing_AS_end(const char *AS_id)
4037 {
4038   parse_E_AS_lua((char *) AS_id);
4039 }
4040
4041 /*
4042  * add a host to the network element list
4043  */
4044
4045 void routing_add_host(const char *host_id)
4046 {
4047   parse_S_host_lua((char *) host_id, (char*)""); // FIXME propagate coordinate system to lua
4048 }
4049
4050 /*
4051  * Set a new link on the actual list of link for a route or ASroute
4052  */
4053 void routing_add_link(const char *link_id)
4054 {
4055   parse_E_link_c_ctn_new_elem_lua((char *) link_id);
4056 }
4057
4058 /*
4059  *Set the endpoints for a route
4060  */
4061 void routing_set_route(const char *src_id, const char *dst_id)
4062 {
4063   parse_S_route_new_and_endpoints_lua(src_id, dst_id);
4064 }
4065
4066 /*
4067  * Store the route by calling parse_E_route_store_route
4068  */
4069 void routing_store_route(void)
4070 {
4071   parse_E_route_store_route();
4072 }