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
  22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
  23
  24 /* Global vars */
  25 routing_global_t global_routing = NULL;
  26 routing_component_t current_routing = NULL;
  27 model_type_t current_routing_model = NULL;
  28
  29 /* Prototypes of each model */
  30 static void *model_full_create(void);   /* create structures for full routing model */
  31 static void model_full_load(void);      /* load parse functions for full routing model */
  32 static void model_full_unload(void);    /* unload parse functions for full routing model */
  33 static void model_full_end(void);       /* finalize the creation of full routing model */
  34
  35 static void *model_floyd_create(void);  /* create structures for floyd routing model */
  36 static void model_floyd_load(void);     /* load parse functions for floyd routing model */
  37 static void model_floyd_unload(void);   /* unload parse functions for floyd routing model */
  38 static void model_floyd_end(void);      /* finalize the creation of floyd routing model */
  39
  40 static void *model_dijkstra_both_create(int cached);    /* create by calling dijkstra or dijkstracache */
  41 static void *model_dijkstra_create(void);       /* create structures for dijkstra routing model */
  42 static void *model_dijkstracache_create(void);  /* create structures for dijkstracache routing model */
  43 static void model_dijkstra_both_load(void);     /* load parse functions for dijkstra routing model */
  44 static void model_dijkstra_both_unload(void);   /* unload parse functions for dijkstra routing model */
  45 static void model_dijkstra_both_end(void);      /* finalize the creation of dijkstra routing model */
  46
  47 static void *model_rulebased_create(void);      /* create structures for rulebased routing model */
  48 static void model_rulebased_load(void); /* load parse functions for rulebased routing model */
  49 static void model_rulebased_unload(void);       /* unload parse functions for rulebased routing model */
  50 static void model_rulebased_end(void);  /* finalize the creation of rulebased routing model */
  51
  52 static void *model_none_create(void);   /* none routing model */
  53 static void model_none_load(void);      /* none routing model */
  54 static void model_none_unload(void);    /* none routing model */
  55 static void model_none_end(void);       /* none routing model */
  56
  57 static void routing_full_parse_Scluster(void);  /*cluster bypass */
  58
  59 static void parse_Sconfig(void);        /*config Tag */
  60
  61 /* this lines are only for replace use like index in the model table */
  62 typedef enum {
  63   SURF_MODEL_FULL = 0,
  64   SURF_MODEL_FLOYD,
  65   SURF_MODEL_DIJKSTRA,
  66   SURF_MODEL_DIJKSTRACACHE,
  67   SURF_MODEL_NONE,
  68 #ifdef HAVE_PCRE_LIB
  69   SURF_MODEL_RULEBASED
  70 #endif
  71 } e_routing_types;
  72
  73
  74 /* must be finish with null and carefull if change de order */
  75 struct s_model_type routing_models[] = { {"Full",
  76                                           "Full routing data (fast, large memory requirements, fully expressive)",
  77                                           model_full_create,
  78                                           model_full_load,
  79                                           model_full_unload,
  80                                           model_full_end},
  81 {"Floyd",
  82  "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
  83  model_floyd_create, model_floyd_load, model_floyd_unload,
  84  model_floyd_end},
  85 {"Dijkstra",
  86  "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
  87  model_dijkstra_create, model_dijkstra_both_load,
  88  model_dijkstra_both_unload, model_dijkstra_both_end},
  89 {"DijkstraCache",
  90  "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
  91  model_dijkstracache_create, model_dijkstra_both_load,
  92  model_dijkstra_both_unload, model_dijkstra_both_end},
  93 {"none", "No routing (usable with Constant network only)",
  94  model_none_create, model_none_load, model_none_unload, model_none_end},
  95 #ifdef HAVE_PCRE_LIB
  96 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
  97  model_rulebased_load, model_rulebased_unload, model_rulebased_end},
  98 #endif
  99 {NULL, NULL, NULL, NULL, NULL, NULL}
 100 };
 101
 102 /* ************************************************************************** */
 103 /* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
 104
 105 static void generic_set_processing_unit(routing_component_t rc,
 106                                         const char *name);
 107 static void generic_set_autonomous_system(routing_component_t rc,
 108                                           const char *name);
 109 static void generic_set_route(routing_component_t rc, const char *src,
 110                               const char *dst, route_t route);
 111 static void generic_set_ASroute(routing_component_t rc, const char *src,
 112                                 const char *dst, route_extended_t e_route);
 113 static void generic_set_bypassroute(routing_component_t rc,
 114                                     const char *src, const char *dst,
 115                                     route_extended_t e_route);
 116
 117 /* ************************************************************************** */
 118 /* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
 119
 120 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc);
 121 static route_extended_t generic_get_bypassroute(routing_component_t rc,
 122                                                 const char *src,
 123                                                 const char *dst);
 124
 125 /* ************************************************************************** */
 126 /* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
 127
 128 static route_extended_t
 129 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
 130                            void *data, int order);
 131 static void generic_free_route(route_t route);
 132 static void generic_free_extended_route(route_extended_t e_route);
 133 static routing_component_t
 134 generic_autonomous_system_exist(routing_component_t rc, char *element);
 135 static routing_component_t
 136 generic_processing_units_exist(routing_component_t rc, char *element);
 137 static void generic_src_dst_check(routing_component_t rc, const char *src,
 138                                   const char *dst);
 139
 140 /* ************************************************************************** */
 141 /* **************************** GLOBAL FUNCTIONS **************************** */
 142
 143 /* global parse functions */
 144 static char *src = NULL;        /* temporary store the source name of a route */
 145 static char *dst = NULL;        /* temporary store the destination name of a route */
 146 static char *gw_src = NULL;     /* temporary store the gateway source name of a route */
 147 static char *gw_dst = NULL;     /* temporary store the gateway destination name of a route */
 148 static xbt_dynar_t link_list = NULL;    /* temporary store of current list link of a route */
 149
 150 /**
 151  * \brief Add a "host" to the network element list
 152  */
 153 static void parse_S_host(char *host_id)
 154 {
 155   network_element_info_t info = NULL;
 156   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 157     current_routing->hierarchy = SURF_ROUTING_BASE;
 158   xbt_assert1(!xbt_dict_get_or_null
 159               (global_routing->where_network_elements, host_id),
 160               "Reading a host, processing unit \"%s\" already exist",
 161               host_id);
 162   xbt_assert1(current_routing->set_processing_unit,
 163               "no defined method \"set_processing_unit\" in \"%s\"",
 164               current_routing->name);
 165   (*(current_routing->set_processing_unit)) (current_routing, host_id);
 166   info = xbt_new0(s_network_element_info_t, 1);
 167   info->rc_component = current_routing;
 168   info->rc_type = SURF_NETWORK_ELEMENT_HOST;
 169   xbt_dict_set(global_routing->where_network_elements, host_id,
 170                (void *) info, NULL);
 171 }
 172
 173 /*
 174  * \brief Add a host to the network element list from XML
 175  */
 176 static void parse_S_host_XML(void)
 177 {
 178   parse_S_host(A_surfxml_host_id);
 179 }
 180
 181 /*
 182  * \brief Add a host to the network element list from lua script
 183  */
 184 static void parse_S_host_lua(char *host_id)
 185 {
 186   parse_S_host(host_id);
 187 }
 188
 189 /*
 190  *
 191  */
 192
 193 /**
 194  * \brief Add a "router" to the network element list
 195  */
 196 static void parse_S_router(void)
 197 {
 198   network_element_info_t info = NULL;
 199
 200   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 201     current_routing->hierarchy = SURF_ROUTING_BASE;
 202   xbt_assert1(!xbt_dict_get_or_null
 203               (global_routing->where_network_elements,
 204                A_surfxml_router_id),
 205               "Reading a router, processing unit \"%s\" already exist",
 206               A_surfxml_router_id);
 207   xbt_assert1(current_routing->set_processing_unit,
 208               "no defined method \"set_processing_unit\" in \"%s\"",
 209               current_routing->name);
 210   (*(current_routing->set_processing_unit)) (current_routing,
 211                                              A_surfxml_router_id);
 212   info = xbt_new0(s_network_element_info_t, 1);
 213   info->rc_component = current_routing;
 214   info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
 215   xbt_dict_set(global_routing->where_network_elements, A_surfxml_router_id,
 216                (void *) info, NULL);
 217 #ifdef HAVE_TRACING
 218   TRACE_surf_host_declaration(A_surfxml_router_id, 0);
 219 #endif
 220 }
 221
 222 /**
 223  * \brief Set the endponints for a route
 224  */
 225 static void parse_S_route_new_and_endpoints(char *src_id, char *dst_id)
 226 {
 227   if (src != NULL && dst != NULL && link_list != NULL)
 228     THROW2(arg_error, 0, "Route between %s to %s can not be defined",
 229            src_id, dst_id);
 230   src = src_id;
 231   dst = dst_id;
 232   xbt_assert2(strlen(src) > 0 || strlen(dst) > 0,
 233               "Some limits are null in the route between \"%s\" and \"%s\"",
 234               src, dst);
 235   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 236 }
 237
 238 /**
 239  * \breif Set the endpoints for a route from XML
 240  */
 241 static void parse_S_route_new_and_endpoints_XML(void)
 242 {
 243   parse_S_route_new_and_endpoints(A_surfxml_route_src,
 244                                   A_surfxml_route_dst);
 245 }
 246
 247 /**
 248  * \breif Set the endpoints for a route from lua
 249  */
 250 static void parse_S_route_new_and_endpoints_lua(char *id_src, char *id_dst)
 251 {
 252   parse_S_route_new_and_endpoints(id_src, id_dst);
 253 }
 254
 255 /**
 256  * \brief Set the endponints and gateways for a ASroute
 257  */
 258 static void parse_S_ASroute_new_and_endpoints(void)
 259 {
 260   if (src != NULL && dst != NULL && link_list != NULL)
 261     THROW2(arg_error, 0, "Route between %s to %s can not be defined",
 262            A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
 263   src = A_surfxml_ASroute_src;
 264   dst = A_surfxml_ASroute_dst;
 265   gw_src = A_surfxml_ASroute_gw_src;
 266   gw_dst = A_surfxml_ASroute_gw_dst;
 267   xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 268               || strlen(gw_dst) > 0,
 269               "Some limits are null in the route between \"%s\" and \"%s\"",
 270               src, dst);
 271   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 272 }
 273
 274 /**
 275  * \brief Set the endponints for a bypassRoute
 276  */
 277 static void parse_S_bypassRoute_new_and_endpoints(void)
 278 {
 279   if (src != NULL && dst != NULL && link_list != NULL)
 280     THROW2(arg_error, 0,
 281            "Bypass Route between %s to %s can not be defined",
 282            A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
 283   src = A_surfxml_bypassRoute_src;
 284   dst = A_surfxml_bypassRoute_dst;
 285   gw_src = A_surfxml_bypassRoute_gw_src;
 286   gw_dst = A_surfxml_bypassRoute_gw_dst;
 287   xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 288               || strlen(gw_dst) > 0,
 289               "Some limits are null in the route between \"%s\" and \"%s\"",
 290               src, dst);
 291   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 292 }
 293
 294 /**
 295  * \brief Set a new link on the actual list of link for a route or ASroute
 296  */
 297 static void parse_E_link_ctn_new_elem(char *link_id)
 298 {
 299   char *val;
 300   val = xbt_strdup(link_id);
 301   xbt_dynar_push(link_list, &val);
 302 }
 303
 304 /**
 305  * \brief Set a new link on the actual list of link for a route or ASroute from XML
 306  */
 307
 308 static void parse_E_link_ctn_new_elem_XML(void)
 309 {
 310   parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
 311 }
 312
 313 /**
 314  * \brief Set a new link on the actual list of link for a route or ASroute from lua
 315  */
 316 static void parse_E_link_c_ctn_new_elem_lua(char *link_id)
 317 {
 318
 319   parse_E_link_ctn_new_elem(link_id);
 320 }
 321
 322 /**
 323  * \brief Store the route by calling the set_route function of the current routing component
 324  */
 325 static void parse_E_route_store_route(void)
 326 {
 327   route_t route = xbt_new0(s_route_t, 1);
 328   route->link_list = link_list;
 329 //   xbt_assert1(generic_processing_units_exist(current_routing,src),"the \"%s\" processing units gateway does not exist",src);
 330 //   xbt_assert1(generic_processing_units_exist(current_routing,dst),"the \"%s\" processing units gateway does not exist",dst);
 331   xbt_assert1(current_routing->set_route,
 332               "no defined method \"set_route\" in \"%s\"",
 333               current_routing->name);
 334   (*(current_routing->set_route)) (current_routing, src, dst, route);
 335   link_list = NULL;
 336   src = NULL;
 337   dst = NULL;
 338 }
 339
 340 /**
 341  * \brief Store the ASroute by calling the set_ASroute function of the current routing component
 342  */
 343 static void parse_E_ASroute_store_route(void)
 344 {
 345   route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
 346   e_route->generic_route.link_list = link_list;
 347   e_route->src_gateway = xbt_strdup(gw_src);
 348   e_route->dst_gateway = xbt_strdup(gw_dst);
 349 //   xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
 350 //   xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
 351 //   xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
 352 //   xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
 353   xbt_assert1(current_routing->set_ASroute,
 354               "no defined method \"set_ASroute\" in \"%s\"",
 355               current_routing->name);
 356   (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
 357   link_list = NULL;
 358   src = NULL;
 359   dst = NULL;
 360   gw_src = NULL;
 361   gw_dst = NULL;
 362 }
 363
 364 /**
 365  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 366  */
 367 static void parse_E_bypassRoute_store_route(void)
 368 {
 369   route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
 370   e_route->generic_route.link_list = link_list;
 371   e_route->src_gateway = xbt_strdup(gw_src);
 372   e_route->dst_gateway = xbt_strdup(gw_dst);
 373 //   xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
 374 //   xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
 375 //   xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
 376 //   xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
 377   xbt_assert1(current_routing->set_bypassroute,
 378               "no defined method \"set_bypassroute\" in \"%s\"",
 379               current_routing->name);
 380   (*(current_routing->set_bypassroute)) (current_routing, src, dst,
 381                                          e_route);
 382   link_list = NULL;
 383   src = NULL;
 384   dst = NULL;
 385   gw_src = NULL;
 386   gw_dst = NULL;
 387 }
 388
 389 /**
 390  * \brief Make a new routing component
 391  *
 392  * make the new structure and
 393  * set the parsing functions to allows parsing the part of the routing tree
 394  */
 395 static void parse_S_AS(char *AS_id, char *AS_routing)
 396 {
 397   routing_component_t new_routing;
 398   model_type_t model = NULL;
 399   char *wanted = AS_routing;
 400   int cpt;
 401   /* seach the routing model */
 402   for (cpt = 0; routing_models[cpt].name; cpt++)
 403     if (!strcmp(wanted, routing_models[cpt].name))
 404       model = &routing_models[cpt];
 405   /* if its not exist, error */
 406   if (model == NULL) {
 407     fprintf(stderr, "Routing model %s not found. Existing models:\n",
 408             wanted);
 409     for (cpt = 0; routing_models[cpt].name; cpt++)
 410       if (!strcmp(wanted, routing_models[cpt].name))
 411         fprintf(stderr, "   %s: %s\n", routing_models[cpt].name,
 412                 routing_models[cpt].desc);
 413     xbt_die(NULL);
 414   }
 415
 416   /* make a new routing component */
 417   new_routing = (routing_component_t) (*(model->create)) ();
 418   new_routing->routing = model;
 419   new_routing->hierarchy = SURF_ROUTING_NULL;
 420   new_routing->name = xbt_strdup(AS_id);
 421   new_routing->routing_sons = xbt_dict_new();
 422   //INFO2("Routing %s for AS %s",A_surfxml_AS_routing,A_surfxml_AS_id);
 423
 424   if (current_routing == NULL && global_routing->root == NULL) {
 425
 426     /* it is the first one */
 427     new_routing->routing_father = NULL;
 428     global_routing->root = new_routing;
 429
 430   } else if (current_routing != NULL && global_routing->root != NULL) {
 431
 432     xbt_assert1(!xbt_dict_get_or_null
 433                 (current_routing->routing_sons, AS_id),
 434                 "The AS \"%s\" already exist", AS_id);
 435     /* it is a part of the tree */
 436     new_routing->routing_father = current_routing;
 437     /* set the father behavior */
 438     if (current_routing->hierarchy == SURF_ROUTING_NULL)
 439       current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
 440     /* add to the sons dictionary */
 441     xbt_dict_set(current_routing->routing_sons, AS_id,
 442                  (void *) new_routing, NULL);
 443     /* add to the father element list */
 444     (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
 445     /* unload the prev parse rules */
 446     (*(current_routing->routing->unload)) ();
 447
 448   } else {
 449     THROW0(arg_error, 0, "All defined components must be belong to a AS");
 450   }
 451   /* set the new parse rules */
 452   (*(new_routing->routing->load)) ();
 453   /* set the new current component of the tree */
 454   current_routing = new_routing;
 455 }
 456
 457 /*
 458  * Detect the routing model type of the routing component from XML platforms
 459  */
 460 static void parse_S_AS_XML(void)
 461 {
 462   parse_S_AS(A_surfxml_AS_id, A_surfxml_AS_routing);
 463 }
 464
 465 /*
 466  * define the routing model type of routing component from lua script
 467  */
 468 static void parse_S_AS_lua(char *id, char *mode)
 469 {
 470   parse_S_AS(id, mode);
 471 }
 472
 473
 474 /**
 475  * \brief Finish the creation of a new routing component
 476  *
 477  * When you finish to read the routing component, other structures must be created.
 478  * the "end" method allow to do that for any routing model type
 479  */
 480 static void parse_E_AS(char *AS_id)
 481 {
 482
 483   if (current_routing == NULL) {
 484     THROW1(arg_error, 0, "Close AS(%s), that never open", AS_id);
 485   } else {
 486     network_element_info_t info = NULL;
 487     xbt_assert1(!xbt_dict_get_or_null
 488                 (global_routing->where_network_elements,
 489                  current_routing->name), "The AS \"%s\" already exist",
 490                 current_routing->name);
 491     info = xbt_new0(s_network_element_info_t, 1);
 492     info->rc_component = current_routing->routing_father;
 493     info->rc_type = SURF_NETWORK_ELEMENT_AS;
 494     xbt_dict_set(global_routing->where_network_elements,
 495                  current_routing->name, info, NULL);
 496     (*(current_routing->routing->unload)) ();
 497     (*(current_routing->routing->end)) ();
 498     current_routing = current_routing->routing_father;
 499     if (current_routing != NULL)
 500       (*(current_routing->routing->load)) ();
 501   }
 502 }
 503
 504 /*
 505  * \brief Finish the creation of a new routing component from XML
 506  */
 507 static void parse_E_AS_XML(void)
 508 {
 509   parse_E_AS(A_surfxml_AS_id);
 510 }
 511
 512 /*
 513  * \brief Finish the creation of a new routing component from lua
 514  */
 515 static void parse_E_AS_lua(char *id)
 516 {
 517   parse_E_AS(id);
 518 }
 519
 520 /* Aux Business methods */
 521
 522 /**
 523  * \brief Get the AS father and the first elements of the chain
 524  *
 525  * \param src the source host name
 526  * \param dst the destination host name
 527  *
 528  * Get the common father of the to processing units, and the first different
 529  * father in the chain
 530  */
 531 static xbt_dynar_t elements_father(const char *src, const char *dst)
 532 {
 533
 534   xbt_assert0(src && dst, "bad parameters for \"elements_father\" method");
 535
 536   xbt_dynar_t result = xbt_dynar_new(sizeof(char *), NULL);
 537
 538   routing_component_t src_as, dst_as;
 539   int index_src, index_dst, index_father_src, index_father_dst;
 540   xbt_dynar_t path_src = NULL;
 541   xbt_dynar_t path_dst = NULL;
 542   routing_component_t current = NULL;
 543   routing_component_t *current_src = NULL;
 544   routing_component_t *current_dst = NULL;
 545   routing_component_t *father = NULL;
 546
 547   /* (1) find the as where the src and dst are located */
 548   src_as = ((network_element_info_t)
 549             xbt_dict_get_or_null(global_routing->where_network_elements,
 550                                  src))->rc_component;
 551   dst_as = ((network_element_info_t)
 552             xbt_dict_get_or_null(global_routing->where_network_elements,
 553                                  dst))->rc_component;
 554   xbt_assert2(src_as
 555               && dst_as,
 556               "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
 557               dst);
 558
 559   /* (2) find the path to the root routing component */
 560   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
 561   current = src_as;
 562   while (current != NULL) {
 563     xbt_dynar_push(path_src, &current);
 564     current = current->routing_father;
 565   }
 566   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
 567   current = dst_as;
 568   while (current != NULL) {
 569     xbt_dynar_push(path_dst, &current);
 570     current = current->routing_father;
 571   }
 572
 573   /* (3) find the common father */
 574   index_src = (path_src->used) - 1;
 575   index_dst = (path_dst->used) - 1;
 576   current_src = xbt_dynar_get_ptr(path_src, index_src);
 577   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
 578   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
 579     current_src = xbt_dynar_get_ptr(path_src, index_src);
 580     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
 581     index_src--;
 582     index_dst--;
 583   }
 584   index_src++;
 585   index_dst++;
 586   current_src = xbt_dynar_get_ptr(path_src, index_src);
 587   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
 588
 589   /* (4) they are not in the same routing component, make the path */
 590   index_father_src = index_src + 1;
 591   index_father_dst = index_dst + 1;
 592
 593   if (*current_src == *current_dst)
 594     father = current_src;
 595   else
 596     father = xbt_dynar_get_ptr(path_src, index_father_src);
 597
 598   /* (5) result generation */
 599   xbt_dynar_push(result, father);       /* first same the father of src and dst */
 600   xbt_dynar_push(result, current_src);  /* second the first different father of src */
 601   xbt_dynar_push(result, current_dst);  /* three  the first different father of dst */
 602
 603   xbt_dynar_free(&path_src);
 604   xbt_dynar_free(&path_dst);
 605
 606   return result;
 607 }
 608
 609 /* Global Business methods */
 610
 611 /**
 612  * \brief Recursive function for get_route
 613  *
 614  * \param src the source host name
 615  * \param dst the destination host name
 616  *
 617  * This fuction is call by "get_route". It allow to walk through the
 618  * routing components tree.
 619  */
 620 static route_extended_t _get_route(const char *src, const char *dst)
 621 {
 622
 623   void *link;
 624   unsigned int cpt = 0;
 625
 626   DEBUG2("Solve route  \"%s\" to \"%s\"", src, dst);
 627
 628   xbt_assert0(src && dst, "bad parameters for \"_get_route\" method");
 629
 630   route_extended_t e_route, e_route_cnt, e_route_src = NULL, e_route_dst =
 631       NULL;
 632
 633   xbt_dynar_t elem_father_list = elements_father(src, dst);
 634
 635   routing_component_t common_father =
 636       xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
 637   routing_component_t src_father =
 638       xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
 639   routing_component_t dst_father =
 640       xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
 641
 642   e_route = xbt_new0(s_route_extended_t, 1);
 643   e_route->src_gateway = NULL;
 644   e_route->dst_gateway = NULL;
 645   e_route->generic_route.link_list =
 646       xbt_dynar_new(global_routing->size_of_link, NULL);
 647
 648   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
 649
 650     if (strcmp(src, dst)) {
 651       e_route_cnt =
 652           (*(common_father->get_route)) (common_father, src, dst);
 653       xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"", src,
 654                   dst);
 655       xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 656         xbt_dynar_push(e_route->generic_route.link_list, &link);
 657       }
 658       generic_free_extended_route(e_route_cnt);
 659     }
 660
 661   } else {                      /* SURF_ROUTING_RECURSIVE */
 662
 663     route_extended_t e_route_bypass = NULL;
 664
 665     if (common_father->get_bypass_route)
 666       e_route_bypass =
 667           (*(common_father->get_bypass_route)) (common_father, src, dst);
 668
 669     if (e_route_bypass)
 670       e_route_cnt = e_route_bypass;
 671     else
 672       e_route_cnt =
 673           (*(common_father->get_route)) (common_father, src_father->name,
 674                                          dst_father->name);
 675
 676     xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"",
 677                 src_father->name, dst_father->name);
 678
 679     xbt_assert2((e_route_cnt->src_gateway == NULL) ==
 680                 (e_route_cnt->dst_gateway == NULL),
 681                 "bad gateway for route between \"%s\" and \"%s\"", src,
 682                 dst);
 683
 684     if (src != e_route_cnt->src_gateway) {
 685       e_route_src = _get_route(src, e_route_cnt->src_gateway);
 686       xbt_assert2(e_route_src, "no route between \"%s\" and \"%s\"", src,
 687                   e_route_cnt->src_gateway);
 688       xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
 689         xbt_dynar_push(e_route->generic_route.link_list, &link);
 690       }
 691     }
 692
 693     xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 694       xbt_dynar_push(e_route->generic_route.link_list, &link);
 695     }
 696
 697     if (e_route_cnt->dst_gateway != dst) {
 698       e_route_dst = _get_route(e_route_cnt->dst_gateway, dst);
 699       xbt_assert2(e_route_dst, "no route between \"%s\" and \"%s\"",
 700                   e_route_cnt->dst_gateway, dst);
 701       xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
 702         xbt_dynar_push(e_route->generic_route.link_list, &link);
 703       }
 704     }
 705
 706     e_route->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
 707     e_route->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
 708
 709     generic_free_extended_route(e_route_src);
 710     generic_free_extended_route(e_route_cnt);
 711     generic_free_extended_route(e_route_dst);
 712   }
 713
 714   xbt_dynar_free(&elem_father_list);
 715
 716   return e_route;
 717 }
 718
 719 /**
 720  * \brief Generic method: find a route between hosts
 721  *
 722  * \param src the source host name
 723  * \param dst the destination host name
 724  *
 725  * walk through the routing components tree and find a route between hosts
 726  * by calling the differents "get_route" functions in each routing component
 727  */
 728 static xbt_dynar_t get_route(const char *src, const char *dst)
 729 {
 730
 731   route_extended_t e_route;
 732   xbt_dynar_t elem_father_list = elements_father(src, dst);
 733   routing_component_t common_father =
 734       xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
 735
 736   if (strcmp(src, dst))
 737     e_route = _get_route(src, dst);
 738   else
 739     e_route = (*(common_father->get_route)) (common_father, src, dst);
 740
 741   xbt_assert2(e_route, "no route between \"%s\" and \"%s\"", src, dst);
 742
 743   if (global_routing->last_route)
 744     xbt_dynar_free(&(global_routing->last_route));
 745   global_routing->last_route = e_route->generic_route.link_list;
 746
 747   if (e_route->src_gateway)
 748     xbt_free(e_route->src_gateway);
 749   if (e_route->dst_gateway)
 750     xbt_free(e_route->dst_gateway);
 751
 752   xbt_free(e_route);
 753   xbt_dynar_free(&elem_father_list);
 754
 755   if (xbt_dynar_length(global_routing->last_route) == 0)
 756     return NULL;
 757   else
 758     return global_routing->last_route;
 759 }
 760
 761 /**
 762  * \brief Recursive function for finalize
 763  *
 764  * \param rc the source host name
 765  *
 766  * This fuction is call by "finalize". It allow to finalize the
 767  * AS or routing components. It delete all the structures.
 768  */
 769 static void _finalize(routing_component_t rc)
 770 {
 771   if (rc) {
 772     xbt_dict_cursor_t cursor = NULL;
 773     char *key;
 774     routing_component_t elem;
 775     xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
 776       _finalize(elem);
 777     }
 778     xbt_dict_t tmp_sons = rc->routing_sons;
 779     char *tmp_name = rc->name;
 780     xbt_dict_free(&tmp_sons);
 781     xbt_free(tmp_name);
 782     xbt_assert1(rc->finalize, "no defined method \"finalize\" in \"%s\"",
 783                 current_routing->name);
 784     (*(rc->finalize)) (rc);
 785   }
 786 }
 787
 788 /**
 789  * \brief Generic method: delete all the routing structures
 790  *
 791  * walk through the routing components tree and delete the structures
 792  * by calling the differents "finalize" functions in each routing component
 793  */
 794 static void finalize(void)
 795 {
 796   /* delete recursibly all the tree */
 797   _finalize(global_routing->root);
 798   /* delete "where" dict */
 799   xbt_dict_free(&(global_routing->where_network_elements));
 800   /* delete last_route */
 801   xbt_dynar_free(&(global_routing->last_route));
 802   /* delete global routing structure */
 803   xbt_free(global_routing);
 804 }
 805
 806 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
 807 {
 808   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
 809
 810   //adding my one link routes
 811   unsigned int cpt;
 812   void *link;
 813   xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
 814   if (onelink_mine) {
 815     xbt_dynar_foreach(onelink_mine, cpt, link) {
 816       xbt_dynar_push(ret, &link);
 817     }
 818   }
 819   //recursing
 820   char *key;
 821   xbt_dict_cursor_t cursor = NULL;
 822   routing_component_t rc_child;
 823   xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
 824     xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
 825     if (onelink_child) {
 826       xbt_dynar_foreach(onelink_child, cpt, link) {
 827         xbt_dynar_push(ret, &link);
 828       }
 829     }
 830   }
 831   return ret;
 832 }
 833
 834 static xbt_dynar_t get_onelink_routes(void)
 835 {
 836   return recursive_get_onelink_routes(global_routing->root);
 837 }
 838
 839 static e_surf_network_element_type_t get_network_element_type(const char
 840                                                               *name)
 841 {
 842   network_element_info_t rc = NULL;
 843   rc = xbt_dict_get(global_routing->where_network_elements, name);
 844   return rc->rc_type;
 845 }
 846
 847 /**
 848  * \brief Generic method: create the global routing schema
 849  *
 850  * Make a global routing structure and set all the parsing functions.
 851  */
 852 void routing_model_create(size_t size_of_links, void *loopback)
 853 {
 854
 855   /* config the uniq global routing */
 856   global_routing = xbt_new0(s_routing_global_t, 1);
 857   global_routing->where_network_elements = xbt_dict_new();
 858   global_routing->root = NULL;
 859   global_routing->get_route = get_route;
 860   global_routing->get_onelink_routes = get_onelink_routes;
 861   global_routing->get_network_element_type = get_network_element_type;
 862   global_routing->finalize = finalize;
 863   global_routing->loopback = loopback;
 864   global_routing->size_of_link = size_of_links;
 865   global_routing->last_route = xbt_dynar_new(size_of_links, NULL);
 866
 867   /* no current routing at moment */
 868   current_routing = NULL;
 869
 870   /* parse generic elements */
 871   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
 872   surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
 873
 874   surfxml_add_callback(STag_surfxml_route_cb_list,
 875                        &parse_S_route_new_and_endpoints_XML);
 876   surfxml_add_callback(STag_surfxml_ASroute_cb_list,
 877                        &parse_S_ASroute_new_and_endpoints);
 878   surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
 879                        &parse_S_bypassRoute_new_and_endpoints);
 880
 881   surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
 882                        &parse_E_link_ctn_new_elem_XML);
 883
 884   surfxml_add_callback(ETag_surfxml_route_cb_list,
 885                        &parse_E_route_store_route);
 886   surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
 887                        &parse_E_ASroute_store_route);
 888   surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
 889                        &parse_E_bypassRoute_store_route);
 890
 891   surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
 892   surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
 893
 894   surfxml_add_callback(STag_surfxml_cluster_cb_list,
 895                        &routing_full_parse_Scluster);
 896
 897   surfxml_add_callback(STag_surfxml_config_cb_list, &parse_Sconfig);
 898 }
 899
 900 /* ************************************************************************** */
 901 /* *************************** FULL ROUTING ********************************* */
 902
 903 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
 904
 905 /* Routing model structure */
 906
 907 typedef struct {
 908   s_routing_component_t generic_routing;
 909   xbt_dict_t parse_routes;      /* store data during the parse process */
 910   xbt_dict_t bypassRoutes;
 911   route_extended_t *routing_table;
 912 } s_routing_component_full_t, *routing_component_full_t;
 913
 914 /* Business methods */
 915 static xbt_dynar_t full_get_onelink_routes(routing_component_t rc)
 916 {
 917   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
 918
 919   routing_component_full_t routing = (routing_component_full_t) rc;
 920   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
 921   xbt_dict_cursor_t c1 = NULL, c2 = NULL;
 922   char *k1, *d1, *k2, *d2;
 923   xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
 924     xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
 925       int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
 926       int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
 927       xbt_assert2(src_id
 928                   && dst_id,
 929                   "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",
 930                   src, dst);
 931       route_extended_t route = TO_ROUTE_FULL(*src_id, *dst_id);
 932       if (route) {
 933         if (xbt_dynar_length(route->generic_route.link_list) == 1) {
 934           void *link =
 935               *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
 936                                            0);
 937           onelink_t onelink = xbt_new0(s_onelink_t, 1);
 938           onelink->link_ptr = link;
 939           if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
 940             onelink->src = xbt_strdup(k1);
 941             onelink->dst = xbt_strdup(k2);
 942           } else if (routing->generic_routing.hierarchy ==
 943                      SURF_ROUTING_RECURSIVE) {
 944             onelink->src = xbt_strdup(route->src_gateway);
 945             onelink->dst = xbt_strdup(route->dst_gateway);
 946           }
 947           xbt_dynar_push(ret, &onelink);
 948         }
 949       }
 950     }
 951   }
 952   return ret;
 953 }
 954
 955 static route_extended_t full_get_route(routing_component_t rc,
 956                                        const char *src, const char *dst)
 957 {
 958   xbt_assert1(rc && src
 959               && dst,
 960               "Invalid params for \"get_route\" function at AS \"%s\"",
 961               rc->name);
 962
 963   /* set utils vars */
 964   routing_component_full_t routing = (routing_component_full_t) rc;
 965   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
 966
 967   generic_src_dst_check(rc, src, dst);
 968   int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
 969   int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
 970   xbt_assert2(src_id
 971               && dst_id,
 972               "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",
 973               src, dst);
 974
 975   route_extended_t e_route = NULL;
 976   route_extended_t new_e_route = NULL;
 977   void *link;
 978   unsigned int cpt = 0;
 979
 980   e_route = TO_ROUTE_FULL(*src_id, *dst_id);
 981
 982   if (e_route) {
 983     new_e_route = xbt_new0(s_route_extended_t, 1);
 984     new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
 985     new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
 986     new_e_route->generic_route.link_list =
 987         xbt_dynar_new(global_routing->size_of_link, NULL);
 988     xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
 989       xbt_dynar_push(new_e_route->generic_route.link_list, &link);
 990     }
 991   }
 992   return new_e_route;
 993 }
 994
 995 static void full_finalize(routing_component_t rc)
 996 {
 997   routing_component_full_t routing = (routing_component_full_t) rc;
 998   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
 999   int i, j;
1000   if (routing) {
1001     /* Delete routing table */
1002     for (i = 0; i < table_size; i++)
1003       for (j = 0; j < table_size; j++)
1004         generic_free_extended_route(TO_ROUTE_FULL(i, j));
1005     xbt_free(routing->routing_table);
1006     /* Delete bypass dict */
1007     xbt_dict_free(&routing->bypassRoutes);
1008     /* Delete index dict */
1009     xbt_dict_free(&(routing->generic_routing.to_index));
1010     /* Delete structure */
1011     xbt_free(rc);
1012   }
1013 }
1014
1015 /* Creation routing model functions */
1016
1017 static void *model_full_create(void)
1018 {
1019   routing_component_full_t new_component =
1020       xbt_new0(s_routing_component_full_t, 1);
1021   new_component->generic_routing.set_processing_unit =
1022       generic_set_processing_unit;
1023   new_component->generic_routing.set_autonomous_system =
1024       generic_set_autonomous_system;
1025   new_component->generic_routing.set_route = generic_set_route;
1026   new_component->generic_routing.set_ASroute = generic_set_ASroute;
1027   new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1028   new_component->generic_routing.get_route = full_get_route;
1029   new_component->generic_routing.get_onelink_routes =
1030       full_get_onelink_routes;
1031   new_component->generic_routing.get_bypass_route =
1032       generic_get_bypassroute;
1033   new_component->generic_routing.finalize = full_finalize;
1034   new_component->generic_routing.to_index = xbt_dict_new();
1035   new_component->bypassRoutes = xbt_dict_new();
1036   new_component->parse_routes = xbt_dict_new();
1037   return new_component;
1038 }
1039
1040 static void model_full_load(void)
1041 {
1042   /* use "surfxml_add_callback" to add a parse function call */
1043 }
1044
1045 static void model_full_unload(void)
1046 {
1047   /* use "surfxml_del_callback" to remove a parse function call */
1048 }
1049
1050 static void model_full_end(void)
1051 {
1052
1053   char *key, *end;
1054   const char *sep = "#";
1055   int src_id, dst_id;
1056   unsigned int i, j;
1057   route_t route;
1058   route_extended_t e_route;
1059   void *data;
1060
1061   xbt_dict_cursor_t cursor = NULL;
1062   xbt_dynar_t keys = NULL;
1063
1064   /* set utils vars */
1065   routing_component_full_t routing =
1066       ((routing_component_full_t) current_routing);
1067   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1068
1069   /* Create the routing table */
1070   routing->routing_table =
1071       xbt_new0(route_extended_t, table_size * table_size);
1072
1073   /* Put the routes in position */
1074   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1075     keys = xbt_str_split_str(key, sep);
1076     src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1077     dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1078     TO_ROUTE_FULL(src_id, dst_id) =
1079         generic_new_extended_route(current_routing->hierarchy, data, 1);
1080     xbt_dynar_free(&keys);
1081   }
1082
1083   /* delete the parse table */
1084   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1085     route = (route_t) data;
1086     xbt_dynar_free(&(route->link_list));
1087     xbt_free(data);
1088   }
1089
1090   /* delete parse dict */
1091   xbt_dict_free(&(routing->parse_routes));
1092
1093   /* Add the loopback if needed */
1094   if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1095     for (i = 0; i < table_size; i++) {
1096       e_route = TO_ROUTE_FULL(i, i);
1097       if (!e_route) {
1098         e_route = xbt_new0(s_route_extended_t, 1);
1099         e_route->src_gateway = NULL;
1100         e_route->dst_gateway = NULL;
1101         e_route->generic_route.link_list =
1102             xbt_dynar_new(global_routing->size_of_link, NULL);
1103         xbt_dynar_push(e_route->generic_route.link_list,
1104                        &global_routing->loopback);
1105         TO_ROUTE_FULL(i, i) = e_route;
1106       }
1107     }
1108   }
1109
1110   /* Shrink the dynar routes (save unused slots) */
1111   for (i = 0; i < table_size; i++)
1112     for (j = 0; j < table_size; j++)
1113       if (TO_ROUTE_FULL(i, j))
1114         xbt_dynar_shrink(TO_ROUTE_FULL(i, j)->generic_route.link_list, 0);
1115 }
1116
1117 /* ************************************************************************** */
1118 /* *************************** FLOYD ROUTING ******************************** */
1119
1120 #define TO_FLOYD_COST(i,j) cost_table[(i)+(j)*table_size]
1121 #define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
1122 #define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
1123
1124 /* Routing model structure */
1125
1126 typedef struct {
1127   s_routing_component_t generic_routing;
1128   /* vars for calculate the floyd algorith. */
1129   int *predecessor_table;
1130   route_extended_t *link_table; /* char* -> int* */
1131   xbt_dict_t bypassRoutes;
1132   /* store data during the parse process */
1133   xbt_dict_t parse_routes;
1134 } s_routing_component_floyd_t, *routing_component_floyd_t;
1135
1136 static route_extended_t floyd_get_route(routing_component_t rc,
1137                                         const char *src, const char *dst);
1138
1139 /* Business methods */
1140 static xbt_dynar_t floyd_get_onelink_routes(routing_component_t rc)
1141 {
1142   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
1143
1144   routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1145   //size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1146   xbt_dict_cursor_t c1 = NULL, c2 = NULL;
1147   char *k1, *d1, *k2, *d2;
1148   xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
1149     xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
1150       route_extended_t route = floyd_get_route(rc, k1, k2);
1151       if (route) {
1152         if (xbt_dynar_length(route->generic_route.link_list) == 1) {
1153           void *link =
1154               *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
1155                                            0);
1156           onelink_t onelink = xbt_new0(s_onelink_t, 1);
1157           onelink->link_ptr = link;
1158           if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
1159             onelink->src = xbt_strdup(k1);
1160             onelink->dst = xbt_strdup(k2);
1161           } else if (routing->generic_routing.hierarchy ==
1162                      SURF_ROUTING_RECURSIVE) {
1163             onelink->src = xbt_strdup(route->src_gateway);
1164             onelink->dst = xbt_strdup(route->dst_gateway);
1165           }
1166           xbt_dynar_push(ret, &onelink);
1167         }
1168       }
1169     }
1170   }
1171   return ret;
1172 }
1173
1174 static route_extended_t floyd_get_route(routing_component_t rc,
1175                                         const char *src, const char *dst)
1176 {
1177   xbt_assert1(rc && src
1178               && dst,
1179               "Invalid params for \"get_route\" function at AS \"%s\"",
1180               rc->name);
1181
1182   /* set utils vars */
1183   routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1184   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1185
1186   generic_src_dst_check(rc, src, dst);
1187   int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1188   int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1189   xbt_assert2(src_id
1190               && dst_id,
1191               "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",
1192               src, dst);
1193
1194   /* create a result route */
1195   route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1196   new_e_route->generic_route.link_list =
1197       xbt_dynar_new(global_routing->size_of_link, NULL);
1198   new_e_route->src_gateway = NULL;
1199   new_e_route->dst_gateway = NULL;
1200
1201   int first = 1;
1202   int pred = *dst_id;
1203   int prev_pred = 0;
1204   char *gw_src = NULL, *gw_dst =
1205       NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1206   unsigned int cpt;
1207   void *link;
1208   xbt_dynar_t links;
1209
1210   do {
1211     prev_pred = pred;
1212     pred = TO_FLOYD_PRED(*src_id, pred);
1213     if (pred == -1)             /* if no pred in route -> no route to host */
1214       break;
1215     xbt_assert2(TO_FLOYD_LINK(pred, prev_pred),
1216                 "Invalid link for the route between \"%s\" or \"%s\"", src,
1217                 dst);
1218
1219     prev_gw_src = gw_src;
1220     prev_gw_dst = gw_dst;
1221
1222     route_extended_t e_route = TO_FLOYD_LINK(pred, prev_pred);
1223     gw_src = e_route->src_gateway;
1224     gw_dst = e_route->dst_gateway;
1225
1226     if (first)
1227       first_gw = gw_dst;
1228
1229     if (rc->hierarchy == SURF_ROUTING_RECURSIVE && !first
1230         && strcmp(gw_dst, prev_gw_src)) {
1231       xbt_dynar_t e_route_as_to_as =
1232           (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1233       xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1234                   gw_dst, prev_gw_src);
1235       links = e_route_as_to_as;
1236       int pos = 0;
1237       xbt_dynar_foreach(links, cpt, link) {
1238         xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1239                             &link);
1240         pos++;
1241       }
1242     }
1243
1244     links = e_route->generic_route.link_list;
1245     xbt_dynar_foreach(links, cpt, link) {
1246       xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1247     }
1248     first = 0;
1249
1250   } while (pred != *src_id);
1251   xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")",
1252               *src_id, *dst_id, src, dst);
1253
1254   if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1255     new_e_route->src_gateway = xbt_strdup(gw_src);
1256     new_e_route->dst_gateway = xbt_strdup(first_gw);
1257   }
1258
1259   return new_e_route;
1260 }
1261
1262 static void floyd_finalize(routing_component_t rc)
1263 {
1264   routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1265   int i, j;
1266   size_t table_size;
1267   if (routing) {
1268     table_size = xbt_dict_length(routing->generic_routing.to_index);
1269     /* Delete link_table */
1270     for (i = 0; i < table_size; i++)
1271       for (j = 0; j < table_size; j++)
1272         generic_free_extended_route(TO_FLOYD_LINK(i, j));
1273     xbt_free(routing->link_table);
1274     /* Delete bypass dict */
1275     xbt_dict_free(&routing->bypassRoutes);
1276     /* Delete index dict */
1277     xbt_dict_free(&(routing->generic_routing.to_index));
1278     /* Delete dictionary index dict, predecessor and links table */
1279     xbt_free(routing->predecessor_table);
1280     /* Delete structure */
1281     xbt_free(rc);
1282   }
1283 }
1284
1285 static void *model_floyd_create(void)
1286 {
1287   routing_component_floyd_t new_component =
1288       xbt_new0(s_routing_component_floyd_t, 1);
1289   new_component->generic_routing.set_processing_unit =
1290       generic_set_processing_unit;
1291   new_component->generic_routing.set_autonomous_system =
1292       generic_set_autonomous_system;
1293   new_component->generic_routing.set_route = generic_set_route;
1294   new_component->generic_routing.set_ASroute = generic_set_ASroute;
1295   new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1296   new_component->generic_routing.get_route = floyd_get_route;
1297   new_component->generic_routing.get_onelink_routes =
1298       floyd_get_onelink_routes;
1299   new_component->generic_routing.get_bypass_route =
1300       generic_get_bypassroute;
1301   new_component->generic_routing.finalize = floyd_finalize;
1302   new_component->generic_routing.to_index = xbt_dict_new();
1303   new_component->bypassRoutes = xbt_dict_new();
1304   new_component->parse_routes = xbt_dict_new();
1305   return new_component;
1306 }
1307
1308 static void model_floyd_load(void)
1309 {
1310   /* use "surfxml_add_callback" to add a parse function call */
1311 }
1312
1313 static void model_floyd_unload(void)
1314 {
1315   /* use "surfxml_del_callback" to remove a parse function call */
1316 }
1317
1318 static void model_floyd_end(void)
1319 {
1320
1321   routing_component_floyd_t routing =
1322       ((routing_component_floyd_t) current_routing);
1323   xbt_dict_cursor_t cursor = NULL;
1324   double *cost_table;
1325   char *key, *data, *end;
1326   const char *sep = "#";
1327   xbt_dynar_t keys;
1328   int src_id, dst_id;
1329   unsigned int i, j, a, b, c;
1330
1331   /* set the size of inicial table */
1332   size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
1333
1334   /* Create Cost, Predecessor and Link tables */
1335   cost_table = xbt_new0(double, table_size * table_size);       /* link cost from host to host */
1336   routing->predecessor_table = xbt_new0(int, table_size * table_size);  /* predecessor host numbers */
1337   routing->link_table = xbt_new0(route_extended_t, table_size * table_size);    /* actual link between src and dst */
1338
1339   /* Initialize costs and predecessors */
1340   for (i = 0; i < table_size; i++)
1341     for (j = 0; j < table_size; j++) {
1342       TO_FLOYD_COST(i, j) = DBL_MAX;
1343       TO_FLOYD_PRED(i, j) = -1;
1344       TO_FLOYD_LINK(i, j) = NULL;       /* fixed, missing in the previous version */
1345     }
1346
1347   /* Put the routes in position */
1348   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1349     keys = xbt_str_split_str(key, sep);
1350     src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1351     dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1352     TO_FLOYD_LINK(src_id, dst_id) =
1353         generic_new_extended_route(current_routing->hierarchy, data, 0);
1354     TO_FLOYD_PRED(src_id, dst_id) = src_id;
1355     /* set link cost */
1356     TO_FLOYD_COST(src_id, dst_id) = ((TO_FLOYD_LINK(src_id, dst_id))->generic_route.link_list)->used;   /* count of links, old model assume 1 */
1357     xbt_dynar_free(&keys);
1358   }
1359
1360   /* Add the loopback if needed */
1361   if (current_routing->hierarchy == SURF_ROUTING_BASE) {
1362     for (i = 0; i < table_size; i++) {
1363       route_extended_t e_route = TO_FLOYD_LINK(i, i);
1364       if (!e_route) {
1365         e_route = xbt_new0(s_route_extended_t, 1);
1366         e_route->src_gateway = NULL;
1367         e_route->dst_gateway = NULL;
1368         e_route->generic_route.link_list =
1369             xbt_dynar_new(global_routing->size_of_link, NULL);
1370         xbt_dynar_push(e_route->generic_route.link_list,
1371                        &global_routing->loopback);
1372         TO_FLOYD_LINK(i, i) = e_route;
1373         TO_FLOYD_PRED(i, i) = i;
1374         TO_FLOYD_COST(i, i) = 1;
1375       }
1376     }
1377   }
1378   /* Calculate path costs */
1379   for (c = 0; c < table_size; c++) {
1380     for (a = 0; a < table_size; a++) {
1381       for (b = 0; b < table_size; b++) {
1382         if (TO_FLOYD_COST(a, c) < DBL_MAX && TO_FLOYD_COST(c, b) < DBL_MAX) {
1383           if (TO_FLOYD_COST(a, b) == DBL_MAX ||
1384               (TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b) <
1385                TO_FLOYD_COST(a, b))) {
1386             TO_FLOYD_COST(a, b) =
1387                 TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b);
1388             TO_FLOYD_PRED(a, b) = TO_FLOYD_PRED(c, b);
1389           }
1390         }
1391       }
1392     }
1393   }
1394
1395   /* delete the parse table */
1396   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1397     route_t route = (route_t) data;
1398     xbt_dynar_free(&(route->link_list));
1399     xbt_free(data);
1400   }
1401
1402   /* delete parse dict */
1403   xbt_dict_free(&(routing->parse_routes));
1404
1405   /* cleanup */
1406   xbt_free(cost_table);
1407 }
1408
1409 /* ************************************************************************** */
1410 /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
1411
1412 typedef struct {
1413   s_routing_component_t generic_routing;
1414   xbt_dict_t bypassRoutes;
1415   xbt_graph_t route_graph;      /* xbt_graph */
1416   xbt_dict_t graph_node_map;    /* map */
1417   xbt_dict_t route_cache;       /* use in cache mode */
1418   int cached;
1419   xbt_dict_t parse_routes;
1420 } s_routing_component_dijkstra_t, *routing_component_dijkstra_t;
1421
1422
1423 typedef struct graph_node_data {
1424   int id;
1425   int graph_id;                 /* used for caching internal graph id's */
1426 } s_graph_node_data_t, *graph_node_data_t;
1427
1428 typedef struct graph_node_map_element {
1429   xbt_node_t node;
1430 } s_graph_node_map_element_t, *graph_node_map_element_t;
1431
1432 typedef struct route_cache_element {
1433   int *pred_arr;
1434   int size;
1435 } s_route_cache_element_t, *route_cache_element_t;
1436
1437 /* Free functions */
1438
1439 static void route_cache_elem_free(void *e)
1440 {
1441   route_cache_element_t elm = (route_cache_element_t) e;
1442   if (elm) {
1443     xbt_free(elm->pred_arr);
1444     xbt_free(elm);
1445   }
1446 }
1447
1448 static void graph_node_map_elem_free(void *e)
1449 {
1450   graph_node_map_element_t elm = (graph_node_map_element_t) e;
1451   if (elm) {
1452     xbt_free(elm);
1453   }
1454 }
1455
1456 static void graph_edge_data_free(void *e)
1457 {
1458   route_extended_t e_route = (route_extended_t) e;
1459   if (e_route) {
1460     xbt_dynar_free(&(e_route->generic_route.link_list));
1461     if (e_route->src_gateway)
1462       xbt_free(e_route->src_gateway);
1463     if (e_route->dst_gateway)
1464       xbt_free(e_route->dst_gateway);
1465     xbt_free(e_route);
1466   }
1467 }
1468
1469 /* Utility functions */
1470
1471 static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc,
1472                                        int id, int graph_id)
1473 {
1474   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1475   xbt_node_t node = NULL;
1476   graph_node_data_t data = NULL;
1477   graph_node_map_element_t elm = NULL;
1478
1479   data = xbt_new0(struct graph_node_data, 1);
1480   data->id = id;
1481   data->graph_id = graph_id;
1482   node = xbt_graph_new_node(routing->route_graph, data);
1483
1484   elm = xbt_new0(struct graph_node_map_element, 1);
1485   elm->node = node;
1486   xbt_dict_set_ext(routing->graph_node_map, (char *) (&id), sizeof(int),
1487                    (xbt_set_elm_t) elm, &graph_node_map_elem_free);
1488
1489   return node;
1490 }
1491
1492 static graph_node_map_element_t
1493 graph_node_map_search(routing_component_dijkstra_t rc, int id)
1494 {
1495   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1496   graph_node_map_element_t elm = (graph_node_map_element_t)
1497       xbt_dict_get_or_null_ext(routing->graph_node_map,
1498                                (char *) (&id),
1499                                sizeof(int));
1500   return elm;
1501 }
1502
1503 /* Parsing */
1504
1505 static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id,
1506                                int dst_id, route_extended_t e_route)
1507 {
1508   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1509
1510   xbt_node_t src = NULL;
1511   xbt_node_t dst = NULL;
1512   graph_node_map_element_t src_elm = (graph_node_map_element_t)
1513       xbt_dict_get_or_null_ext(routing->graph_node_map,
1514                                (char *) (&src_id),
1515                                sizeof(int));
1516   graph_node_map_element_t dst_elm = (graph_node_map_element_t)
1517       xbt_dict_get_or_null_ext(routing->graph_node_map,
1518                                (char *) (&dst_id),
1519                                sizeof(int));
1520
1521   if (src_elm)
1522     src = src_elm->node;
1523
1524   if (dst_elm)
1525     dst = dst_elm->node;
1526
1527   /* add nodes if they don't exist in the graph */
1528   if (src_id == dst_id && src == NULL && dst == NULL) {
1529     src = route_graph_new_node(rc, src_id, -1);
1530     dst = src;
1531   } else {
1532     if (src == NULL) {
1533       src = route_graph_new_node(rc, src_id, -1);
1534     }
1535     if (dst == NULL) {
1536       dst = route_graph_new_node(rc, dst_id, -1);
1537     }
1538   }
1539
1540   /* add link as edge to graph */
1541   xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
1542 }
1543
1544 static void add_loopback_dijkstra(routing_component_dijkstra_t rc)
1545 {
1546   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1547
1548   xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1549
1550   xbt_node_t node = NULL;
1551   unsigned int cursor2;
1552   xbt_dynar_foreach(nodes, cursor2, node) {
1553     xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
1554     xbt_edge_t edge = NULL;
1555     unsigned int cursor;
1556
1557     int found = 0;
1558     xbt_dynar_foreach(out_edges, cursor, edge) {
1559       xbt_node_t other_node = xbt_graph_edge_get_target(edge);
1560       if (other_node == node) {
1561         found = 1;
1562         break;
1563       }
1564     }
1565
1566     if (!found) {
1567       route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
1568       e_route->src_gateway = NULL;
1569       e_route->dst_gateway = NULL;
1570       e_route->generic_route.link_list =
1571           xbt_dynar_new(global_routing->size_of_link, NULL);
1572       xbt_dynar_push(e_route->generic_route.link_list,
1573                      &global_routing->loopback);
1574       xbt_graph_new_edge(routing->route_graph, node, node, e_route);
1575     }
1576   }
1577 }
1578
1579 /* Business methods */
1580 static xbt_dynar_t dijkstra_get_onelink_routes(routing_component_t rc)
1581 {
1582   xbt_die("\"dijkstra_get_onelink_routes\" function not implemented yet");
1583 }
1584
1585 static route_extended_t dijkstra_get_route(routing_component_t rc,
1586                                            const char *src,
1587                                            const char *dst)
1588 {
1589   xbt_assert1(rc && src
1590               && dst,
1591               "Invalid params for \"get_route\" function at AS \"%s\"",
1592               rc->name);
1593
1594   /* set utils vars */
1595   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1596
1597   generic_src_dst_check(rc, src, dst);
1598   int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
1599   int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
1600   xbt_assert2(src_id
1601               && dst_id,
1602               "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",
1603               src, dst);
1604
1605   /* create a result route */
1606   route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
1607   new_e_route->generic_route.link_list =
1608       xbt_dynar_new(global_routing->size_of_link, NULL);
1609   new_e_route->src_gateway = NULL;
1610   new_e_route->dst_gateway = NULL;
1611
1612   int *pred_arr = NULL;
1613   int src_node_id = 0;
1614   int dst_node_id = 0;
1615   int *nodeid = NULL;
1616   int v;
1617   route_extended_t e_route;
1618   int size = 0;
1619   unsigned int cpt;
1620   void *link;
1621   xbt_dynar_t links = NULL;
1622   route_cache_element_t elm = NULL;
1623   xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1624
1625   /* Use the graph_node id mapping set to quickly find the nodes */
1626   graph_node_map_element_t src_elm =
1627       graph_node_map_search(routing, *src_id);
1628   graph_node_map_element_t dst_elm =
1629       graph_node_map_search(routing, *dst_id);
1630   xbt_assert2(src_elm != NULL
1631               && dst_elm != NULL, "src %d or dst %d does not exist",
1632               *src_id, *dst_id);
1633   src_node_id = ((graph_node_data_t)
1634                  xbt_graph_node_get_data(src_elm->node))->graph_id;
1635   dst_node_id = ((graph_node_data_t)
1636                  xbt_graph_node_get_data(dst_elm->node))->graph_id;
1637
1638   /* if the src and dst are the same *//* fixed, missing in the previous version */
1639   if (src_node_id == dst_node_id) {
1640
1641     xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
1642     xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
1643     xbt_edge_t edge =
1644         xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
1645
1646     xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1647                 *dst_id);
1648
1649     e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1650
1651     links = e_route->generic_route.link_list;
1652     xbt_dynar_foreach(links, cpt, link) {
1653       xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1654     }
1655
1656     return new_e_route;
1657   }
1658
1659   if (routing->cached) {
1660     /*check if there is a cached predecessor list avail */
1661     elm = (route_cache_element_t)
1662         xbt_dict_get_or_null_ext(routing->route_cache, (char *) (&src_id),
1663                                  sizeof(int));
1664   }
1665
1666   if (elm) {                    /* cached mode and cache hit */
1667     pred_arr = elm->pred_arr;
1668   } else {                      /* not cached mode or cache miss */
1669     double *cost_arr = NULL;
1670     xbt_heap_t pqueue = NULL;
1671     int i = 0;
1672
1673     int nr_nodes = xbt_dynar_length(nodes);
1674     cost_arr = xbt_new0(double, nr_nodes);      /* link cost from src to other hosts */
1675     pred_arr = xbt_new0(int, nr_nodes); /* predecessors in path from src */
1676     pqueue = xbt_heap_new(nr_nodes, xbt_free);
1677
1678     /* initialize */
1679     cost_arr[src_node_id] = 0.0;
1680
1681     for (i = 0; i < nr_nodes; i++) {
1682       if (i != src_node_id) {
1683         cost_arr[i] = DBL_MAX;
1684       }
1685
1686       pred_arr[i] = 0;
1687
1688       /* initialize priority queue */
1689       nodeid = xbt_new0(int, 1);
1690       *nodeid = i;
1691       xbt_heap_push(pqueue, nodeid, cost_arr[i]);
1692
1693     }
1694
1695     /* apply dijkstra using the indexes from the graph's node array */
1696     while (xbt_heap_size(pqueue) > 0) {
1697       int *v_id = xbt_heap_pop(pqueue);
1698       xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
1699       xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
1700       xbt_edge_t edge = NULL;
1701       unsigned int cursor;
1702
1703       xbt_dynar_foreach(out_edges, cursor, edge) {
1704         xbt_node_t u_node = xbt_graph_edge_get_target(edge);
1705         graph_node_data_t data = xbt_graph_node_get_data(u_node);
1706         int u_id = data->graph_id;
1707         route_extended_t tmp_e_route =
1708             (route_extended_t) xbt_graph_edge_get_data(edge);
1709         int cost_v_u = (tmp_e_route->generic_route.link_list)->used;    /* count of links, old model assume 1 */
1710
1711         if (cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
1712           pred_arr[u_id] = *v_id;
1713           cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
1714           nodeid = xbt_new0(int, 1);
1715           *nodeid = u_id;
1716           xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
1717         }
1718       }
1719
1720       /* free item popped from pqueue */
1721       xbt_free(v_id);
1722     }
1723
1724     xbt_free(cost_arr);
1725     xbt_heap_free(pqueue);
1726   }
1727
1728   /* compose route path with links */
1729   char *gw_src = NULL, *gw_dst =
1730       NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
1731
1732   for (v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
1733     xbt_node_t node_pred_v =
1734         xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
1735     xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
1736     xbt_edge_t edge =
1737         xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
1738
1739     xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
1740                 *dst_id);
1741
1742     prev_gw_src = gw_src;
1743     prev_gw_dst = gw_dst;
1744
1745     e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
1746     gw_src = e_route->src_gateway;
1747     gw_dst = e_route->dst_gateway;
1748
1749     if (v == dst_node_id)
1750       first_gw = gw_dst;
1751
1752     if (rc->hierarchy == SURF_ROUTING_RECURSIVE && v != dst_node_id
1753         && strcmp(gw_dst, prev_gw_src)) {
1754       xbt_dynar_t e_route_as_to_as =
1755           (*(global_routing->get_route)) (gw_dst, prev_gw_src);
1756       xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
1757                   gw_dst, prev_gw_src);
1758       links = e_route_as_to_as;
1759       int pos = 0;
1760       xbt_dynar_foreach(links, cpt, link) {
1761         xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
1762                             &link);
1763         pos++;
1764       }
1765     }
1766
1767     links = e_route->generic_route.link_list;
1768     xbt_dynar_foreach(links, cpt, link) {
1769       xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
1770     }
1771     size++;
1772   }
1773
1774   if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1775     new_e_route->src_gateway = xbt_strdup(gw_src);
1776     new_e_route->dst_gateway = xbt_strdup(first_gw);
1777   }
1778
1779   if (routing->cached && elm == NULL) {
1780     /* add to predecessor list of the current src-host to cache */
1781     elm = xbt_new0(struct route_cache_element, 1);
1782     elm->pred_arr = pred_arr;
1783     elm->size = size;
1784     xbt_dict_set_ext(routing->route_cache, (char *) (&src_id), sizeof(int),
1785                      (xbt_set_elm_t) elm, &route_cache_elem_free);
1786   }
1787
1788   if (!routing->cached)
1789     xbt_free(pred_arr);
1790
1791   return new_e_route;
1792 }
1793
1794 static void dijkstra_finalize(routing_component_t rc)
1795 {
1796   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1797
1798   if (routing) {
1799     xbt_graph_free_graph(routing->route_graph, &xbt_free,
1800                          &graph_edge_data_free, &xbt_free);
1801     xbt_dict_free(&routing->graph_node_map);
1802     if (routing->cached)
1803       xbt_dict_free(&routing->route_cache);
1804     /* Delete bypass dict */
1805     xbt_dict_free(&routing->bypassRoutes);
1806     /* Delete index dict */
1807     xbt_dict_free(&(routing->generic_routing.to_index));
1808     /* Delete structure */
1809     xbt_free(routing);
1810   }
1811 }
1812
1813 /* Creation routing model functions */
1814
1815 static void *model_dijkstra_both_create(int cached)
1816 {
1817   routing_component_dijkstra_t new_component =
1818       xbt_new0(s_routing_component_dijkstra_t, 1);
1819   new_component->generic_routing.set_processing_unit =
1820       generic_set_processing_unit;
1821   new_component->generic_routing.set_autonomous_system =
1822       generic_set_autonomous_system;
1823   new_component->generic_routing.set_route = generic_set_route;
1824   new_component->generic_routing.set_ASroute = generic_set_ASroute;
1825   new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1826   new_component->generic_routing.get_route = dijkstra_get_route;
1827   new_component->generic_routing.get_onelink_routes =
1828       dijkstra_get_onelink_routes;
1829   new_component->generic_routing.get_bypass_route =
1830       generic_get_bypassroute;
1831   new_component->generic_routing.finalize = dijkstra_finalize;
1832   new_component->cached = cached;
1833   new_component->generic_routing.to_index = xbt_dict_new();
1834   new_component->bypassRoutes = xbt_dict_new();
1835   new_component->parse_routes = xbt_dict_new();
1836   return new_component;
1837 }
1838
1839 static void *model_dijkstra_create(void)
1840 {
1841   return model_dijkstra_both_create(0);
1842 }
1843
1844 static void *model_dijkstracache_create(void)
1845 {
1846   return model_dijkstra_both_create(1);
1847 }
1848
1849 static void model_dijkstra_both_load(void)
1850 {
1851   /* use "surfxml_add_callback" to add a parse function call */
1852 }
1853
1854 static void model_dijkstra_both_unload(void)
1855 {
1856   /* use "surfxml_del_callback" to remove a parse function call */
1857 }
1858
1859 static void model_dijkstra_both_end(void)
1860 {
1861   routing_component_dijkstra_t routing =
1862       (routing_component_dijkstra_t) current_routing;
1863   xbt_dict_cursor_t cursor = NULL;
1864   char *key, *data, *end;
1865   const char *sep = "#";
1866   xbt_dynar_t keys;
1867   xbt_node_t node = NULL;
1868   unsigned int cursor2;
1869   xbt_dynar_t nodes = NULL;
1870   int src_id, dst_id;
1871   route_t route;
1872
1873   /* Create the topology graph */
1874   routing->route_graph = xbt_graph_new_graph(1, NULL);
1875   routing->graph_node_map = xbt_dict_new();
1876
1877   if (routing->cached)
1878     routing->route_cache = xbt_dict_new();
1879
1880   /* Put the routes in position */
1881   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1882     keys = xbt_str_split_str(key, sep);
1883     src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1884     dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1885     route_extended_t e_route =
1886         generic_new_extended_route(current_routing->hierarchy, data, 0);
1887     route_new_dijkstra(routing, src_id, dst_id, e_route);
1888     xbt_dynar_free(&keys);
1889   }
1890
1891   /* delete the parse table */
1892   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1893     route = (route_t) data;
1894     xbt_dynar_free(&(route->link_list));
1895     xbt_free(data);
1896   }
1897
1898   /* delete parse dict */
1899   xbt_dict_free(&(routing->parse_routes));
1900
1901   /* Add the loopback if needed */
1902   if (current_routing->hierarchy == SURF_ROUTING_BASE)
1903     add_loopback_dijkstra(routing);
1904
1905   /* initialize graph indexes in nodes after graph has been built */
1906   nodes = xbt_graph_get_nodes(routing->route_graph);
1907
1908   xbt_dynar_foreach(nodes, cursor2, node) {
1909     graph_node_data_t data = xbt_graph_node_get_data(node);
1910     data->graph_id = cursor2;
1911   }
1912
1913 }
1914
1915 #ifdef HAVE_PCRE_LIB
1916 /* ************************************************** */
1917 /* ************** RULE-BASED ROUTING **************** */
1918
1919 /* Routing model structure */
1920
1921 typedef struct {
1922   s_routing_component_t generic_routing;
1923   xbt_dict_t dict_processing_units;
1924   xbt_dict_t dict_autonomous_systems;
1925   xbt_dynar_t list_route;
1926   xbt_dynar_t list_ASroute;
1927 } s_routing_component_rulebased_t, *routing_component_rulebased_t;
1928
1929 typedef struct s_rule_route s_rule_route_t, *rule_route_t;
1930 typedef struct s_rule_route_extended s_rule_route_extended_t,
1931     *rule_route_extended_t;
1932
1933 struct s_rule_route {
1934   xbt_dynar_t re_str_link;      // dynar of char*
1935   pcre *re_src;
1936   pcre *re_dst;
1937 };
1938
1939 struct s_rule_route_extended {
1940   s_rule_route_t generic_rule_route;
1941   char *re_src_gateway;
1942   char *re_dst_gateway;
1943 };
1944
1945 static void rule_route_free(void *e)
1946 {
1947   rule_route_t *elem = (rule_route_t *) (e);
1948   if (*elem) {
1949     xbt_dynar_free(&(*elem)->re_str_link);
1950     pcre_free((*elem)->re_src);
1951     pcre_free((*elem)->re_dst);
1952     xbt_free((*elem));
1953   }
1954   (*elem) = NULL;
1955 }
1956
1957 static void rule_route_extended_free(void *e)
1958 {
1959   rule_route_extended_t *elem = (rule_route_extended_t *) e;
1960   if (*elem) {
1961     xbt_dynar_free(&(*elem)->generic_rule_route.re_str_link);
1962     pcre_free((*elem)->generic_rule_route.re_src);
1963     pcre_free((*elem)->generic_rule_route.re_dst);
1964     xbt_free((*elem)->re_src_gateway);
1965     xbt_free((*elem)->re_dst_gateway);
1966     xbt_free((*elem));
1967   }
1968 }
1969
1970 /* Parse routing model functions */
1971
1972 static void model_rulebased_set_processing_unit(routing_component_t rc,
1973                                                 const char *name)
1974 {
1975   routing_component_rulebased_t routing =
1976       (routing_component_rulebased_t) rc;
1977   xbt_dict_set(routing->dict_processing_units, name, (void *) (-1), NULL);
1978 }
1979
1980 static void model_rulebased_set_autonomous_system(routing_component_t rc,
1981                                                   const char *name)
1982 {
1983   routing_component_rulebased_t routing =
1984       (routing_component_rulebased_t) rc;
1985   xbt_dict_set(routing->dict_autonomous_systems, name, (void *) (-1),
1986                NULL);
1987 }
1988
1989 static void model_rulebased_set_route(routing_component_t rc,
1990                                       const char *src, const char *dst,
1991                                       route_t route)
1992 {
1993   routing_component_rulebased_t routing =
1994       (routing_component_rulebased_t) rc;
1995   rule_route_t ruleroute = xbt_new0(s_rule_route_t, 1);
1996   const char *error;
1997   int erroffset;
1998   ruleroute->re_src = pcre_compile(src, 0, &error, &erroffset, NULL);
1999   xbt_assert3(ruleroute->re_src,
2000               "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2001               erroffset, src, error);
2002   ruleroute->re_dst = pcre_compile(dst, 0, &error, &erroffset, NULL);
2003   xbt_assert3(ruleroute->re_src,
2004               "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2005               erroffset, dst, error);
2006   ruleroute->re_str_link = route->link_list;
2007   xbt_dynar_push(routing->list_route, &ruleroute);
2008   xbt_free(route);
2009 }
2010
2011 static void model_rulebased_set_ASroute(routing_component_t rc,
2012                                         const char *src, const char *dst,
2013                                         route_extended_t route)
2014 {
2015   routing_component_rulebased_t routing =
2016       (routing_component_rulebased_t) rc;
2017   rule_route_extended_t ruleroute_e = xbt_new0(s_rule_route_extended_t, 1);
2018   const char *error;
2019   int erroffset;
2020   ruleroute_e->generic_rule_route.re_src =
2021       pcre_compile(src, 0, &error, &erroffset, NULL);
2022   xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2023               "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2024               erroffset, src, error);
2025   ruleroute_e->generic_rule_route.re_dst =
2026       pcre_compile(dst, 0, &error, &erroffset, NULL);
2027   xbt_assert3(ruleroute_e->generic_rule_route.re_src,
2028               "PCRE compilation failed at offset %d (\"%s\"): %s\n",
2029               erroffset, dst, error);
2030   ruleroute_e->generic_rule_route.re_str_link =
2031       route->generic_route.link_list;
2032   ruleroute_e->re_src_gateway = route->src_gateway;
2033   ruleroute_e->re_dst_gateway = route->dst_gateway;
2034   xbt_dynar_push(routing->list_ASroute, &ruleroute_e);
2035   xbt_free(route->src_gateway);
2036   xbt_free(route->dst_gateway);
2037   xbt_free(route);
2038 }
2039
2040 static void model_rulebased_set_bypassroute(routing_component_t rc,
2041                                             const char *src,
2042                                             const char *dst,
2043                                             route_extended_t e_route)
2044 {
2045   xbt_die("bypass routing not supported for Route-Based model");
2046 }
2047
2048 #define BUFFER_SIZE 4096        /* result buffer size */
2049 #define OVECCOUNT 30            /* should be a multiple of 3 */
2050
2051 static char *remplace(char *value, const char **src_list, int src_size,
2052                       const char **dst_list, int dst_size)
2053 {
2054
2055   char result_result[BUFFER_SIZE];
2056   int i_result_buffer;
2057   int value_length = (int) strlen(value);
2058   int number = 0;
2059
2060   int i = 0;
2061   i_result_buffer = 0;
2062   do {
2063     if (value[i] == '$') {
2064       i++;                      // skip $
2065
2066       // find the number
2067       int number_length = 0;
2068       while ('0' <= value[i + number_length]
2069              && value[i + number_length] <= '9') {
2070         number_length++;
2071       }
2072       xbt_assert2(number_length != 0,
2073                   "bad string parameter, no number indication, at offset: %d (\"%s\")",
2074                   i, value);
2075
2076       // solve number
2077       number = atoi(value + i);
2078       i = i + number_length;
2079       xbt_assert2(i + 2 < value_length,
2080                   "bad string parameter, too few chars, at offset: %d (\"%s\")",
2081                   i, value);
2082
2083       // solve the indication
2084       const char **param_list;
2085       int param_size;
2086       if (value[i] == 's' && value[i + 1] == 'r' && value[i + 2] == 'c') {
2087         param_list = src_list;
2088         param_size = src_size;
2089       } else if (value[i] == 'd' && value[i + 1] == 's'
2090                  && value[i + 2] == 't') {
2091         param_list = dst_list;
2092         param_size = dst_size;
2093       } else {
2094         xbt_assert2(0,
2095                     "bad string parameter, support only \"src\" and \"dst\", at offset: %d (\"%s\")",
2096                     i, value);
2097       }
2098       i = i + 3;
2099
2100       xbt_assert4(param_size >= number,
2101                   "bad string parameter, not enough length param_size, at offset: %d (\"%s\") %d %d",
2102                   i, value, param_size, number);
2103
2104       const char *param = param_list[number];
2105       int size = strlen(param);
2106       int cp;
2107       for (cp = 0; cp < size; cp++) {
2108         result_result[i_result_buffer] = param[cp];
2109         i_result_buffer++;
2110         if (i_result_buffer >= BUFFER_SIZE)
2111           break;
2112       }
2113     } else {
2114       result_result[i_result_buffer] = value[i];
2115       i_result_buffer++;
2116       i++;                      // next char
2117     }
2118
2119   } while (i < value_length && i_result_buffer < BUFFER_SIZE);
2120
2121   xbt_assert2(i_result_buffer < BUFFER_SIZE,
2122               "solving string \"%s\", small buffer size (%d)", value,
2123               BUFFER_SIZE);
2124   result_result[i_result_buffer] = 0;
2125   return xbt_strdup(result_result);
2126 }
2127
2128 static route_extended_t rulebased_get_route(routing_component_t rc,
2129                                             const char *src,
2130                                             const char *dst);
2131 static xbt_dynar_t rulebased_get_onelink_routes(routing_component_t rc)
2132 {
2133   xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
2134   routing_component_rulebased_t routing = (routing_component_rulebased_t)rc;
2135
2136   xbt_dict_cursor_t c1 = NULL;
2137   char *k1, *d1;
2138
2139   //find router
2140   char *router = NULL;
2141   xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2142     if (strstr (k1, "router")){
2143       router = k1;
2144     }
2145   }
2146   if (!router){
2147     xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2148   }
2149
2150   xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
2151     route_extended_t route = rulebased_get_route (rc, router, k1);
2152
2153     int number_of_links = xbt_dynar_length(route->generic_route.link_list);
2154     if (number_of_links != 3) {
2155       xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
2156     }
2157
2158     void *link_ptr;
2159     xbt_dynar_get_cpy (route->generic_route.link_list, 2, &link_ptr);
2160     onelink_t onelink = xbt_new0 (s_onelink_t, 1);
2161     onelink->src = xbt_strdup (k1);
2162     onelink->dst = xbt_strdup (router);
2163     onelink->link_ptr = link_ptr;
2164     xbt_dynar_push (ret, &onelink);
2165   }
2166   return ret;
2167 }
2168
2169 /* Business methods */
2170 static route_extended_t rulebased_get_route(routing_component_t rc,
2171                                             const char *src,
2172                                             const char *dst)
2173 {
2174   xbt_assert1(rc && src
2175               && dst,
2176               "Invalid params for \"get_route\" function at AS \"%s\"",
2177               rc->name);
2178
2179   /* set utils vars */
2180   routing_component_rulebased_t routing =
2181       (routing_component_rulebased_t) rc;
2182
2183   int are_processing_units;
2184   xbt_dynar_t rule_list;
2185   if (xbt_dict_get_or_null(routing->dict_processing_units, src)
2186       && xbt_dict_get_or_null(routing->dict_processing_units, dst)) {
2187     are_processing_units = 1;
2188     rule_list = routing->list_route;
2189   } else if (xbt_dict_get_or_null(routing->dict_autonomous_systems, src)
2190              && xbt_dict_get_or_null(routing->dict_autonomous_systems,
2191                                      dst)) {
2192     are_processing_units = 0;
2193     rule_list = routing->list_ASroute;
2194   } else
2195     xbt_assert2(NULL,
2196                 "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",
2197                 src, dst);
2198
2199   int rc_src = -1;
2200   int rc_dst = -1;
2201   int src_length = (int) strlen(src);
2202   int dst_length = (int) strlen(dst);
2203
2204   xbt_dynar_t links_list =
2205       xbt_dynar_new(global_routing->size_of_link, NULL);
2206
2207   rule_route_t ruleroute;
2208   unsigned int cpt;
2209   int ovector_src[OVECCOUNT];
2210   int ovector_dst[OVECCOUNT];
2211   const char **list_src = NULL;
2212   const char **list_dst = NULL;
2213   xbt_dynar_foreach(rule_list, cpt, ruleroute) {
2214     rc_src =
2215         pcre_exec(ruleroute->re_src, NULL, src, src_length, 0, 0,
2216                   ovector_src, OVECCOUNT);
2217     if (rc_src >= 0) {
2218       rc_dst =
2219           pcre_exec(ruleroute->re_dst, NULL, dst, dst_length, 0, 0,
2220                     ovector_dst, OVECCOUNT);
2221       if (rc_dst >= 0) {
2222         xbt_assert1(!pcre_get_substring_list
2223                     (src, ovector_src, rc_src, &list_src),
2224                     "error solving substring list for src \"%s\"", src);
2225         xbt_assert1(!pcre_get_substring_list
2226                     (dst, ovector_dst, rc_dst, &list_dst),
2227                     "error solving substring list for src \"%s\"", dst);
2228         char *link_name;
2229         xbt_dynar_foreach(ruleroute->re_str_link, cpt, link_name) {
2230           char *new_link_name =
2231               remplace(link_name, list_src, rc_src, list_dst, rc_dst);
2232           void *link =
2233               xbt_dict_get_or_null(surf_network_model->resource_set,
2234                                    new_link_name);
2235           if (link)
2236             xbt_dynar_push(links_list, &link);
2237           else
2238             THROW1(mismatch_error, 0, "Link %s not found", new_link_name);
2239           xbt_free(new_link_name);
2240         }
2241       }
2242     }
2243     if (rc_src >= 0 && rc_dst >= 0)
2244       break;
2245   }
2246
2247   route_extended_t new_e_route = NULL;
2248   if (rc_src >= 0 && rc_dst >= 0) {
2249     new_e_route = xbt_new0(s_route_extended_t, 1);
2250     new_e_route->generic_route.link_list = links_list;
2251   } else if (!strcmp(src, dst) && are_processing_units) {
2252     new_e_route = xbt_new0(s_route_extended_t, 1);
2253     xbt_dynar_push(links_list, &(global_routing->loopback));
2254     new_e_route->generic_route.link_list = links_list;
2255   } else {
2256     xbt_dynar_free(&link_list);
2257   }
2258
2259   if (!are_processing_units && new_e_route) {
2260     rule_route_extended_t ruleroute_extended =
2261         (rule_route_extended_t) ruleroute;
2262     new_e_route->src_gateway =
2263         remplace(ruleroute_extended->re_src_gateway, list_src, rc_src,
2264                  list_dst, rc_dst);
2265     new_e_route->dst_gateway =
2266         remplace(ruleroute_extended->re_dst_gateway, list_src, rc_src,
2267                  list_dst, rc_dst);
2268   }
2269
2270   if (list_src)
2271     pcre_free_substring_list(list_src);
2272   if (list_dst)
2273     pcre_free_substring_list(list_dst);
2274
2275   return new_e_route;
2276 }
2277
2278 static route_extended_t rulebased_get_bypass_route(routing_component_t rc,
2279                                                    const char *src,
2280                                                    const char *dst)
2281 {
2282   return NULL;
2283 }
2284
2285 static void rulebased_finalize(routing_component_t rc)
2286 {
2287   routing_component_rulebased_t routing =
2288       (routing_component_rulebased_t) rc;
2289   if (routing) {
2290     xbt_dict_free(&routing->dict_processing_units);
2291     xbt_dict_free(&routing->dict_autonomous_systems);
2292     xbt_dynar_free(&routing->list_route);
2293     xbt_dynar_free(&routing->list_ASroute);
2294     /* Delete structure */
2295     xbt_free(routing);
2296   }
2297 }
2298
2299 /* Creation routing model functions */
2300 static void *model_rulebased_create(void)
2301 {
2302   routing_component_rulebased_t new_component =
2303       xbt_new0(s_routing_component_rulebased_t, 1);
2304   new_component->generic_routing.set_processing_unit =
2305       model_rulebased_set_processing_unit;
2306   new_component->generic_routing.set_autonomous_system =
2307       model_rulebased_set_autonomous_system;
2308   new_component->generic_routing.set_route = model_rulebased_set_route;
2309   new_component->generic_routing.set_ASroute = model_rulebased_set_ASroute;
2310   new_component->generic_routing.set_bypassroute =
2311       model_rulebased_set_bypassroute;
2312   new_component->generic_routing.get_onelink_routes =
2313       rulebased_get_onelink_routes;
2314   new_component->generic_routing.get_route = rulebased_get_route;
2315   new_component->generic_routing.get_bypass_route = NULL;       //rulebased_get_bypass_route;
2316   new_component->generic_routing.finalize = rulebased_finalize;
2317   /* initialization of internal structures */
2318   new_component->dict_processing_units = xbt_dict_new();
2319   new_component->dict_autonomous_systems = xbt_dict_new();
2320   new_component->list_route =
2321       xbt_dynar_new(sizeof(rule_route_t), &rule_route_free);
2322   new_component->list_ASroute =
2323       xbt_dynar_new(sizeof(rule_route_extended_t),
2324                     &rule_route_extended_free);
2325   return new_component;
2326 }
2327
2328 static void model_rulebased_load(void)
2329 {
2330   /* use "surfxml_add_callback" to add a parse function call */
2331 }
2332
2333 static void model_rulebased_unload(void)
2334 {
2335   /* use "surfxml_del_callback" to remove a parse function call */
2336 }
2337
2338 static void model_rulebased_end(void)
2339 {
2340 }
2341
2342 #endif                          /* HAVE_PCRE_LIB */
2343
2344 /* ************************************************************************** */
2345 /* ******************************* NO ROUTING ******************************* */
2346
2347 /* Routing model structure */
2348 typedef struct {
2349   s_routing_component_t generic_routing;
2350 } s_routing_component_none_t, *routing_component_none_t;
2351
2352 /* Business methods */
2353 static xbt_dynar_t none_get_onelink_routes(routing_component_t rc)
2354 {
2355   return NULL;
2356 }
2357
2358 static route_extended_t none_get_route(routing_component_t rc,
2359                                        const char *src, const char *dst)
2360 {
2361   return NULL;
2362 }
2363
2364 static route_extended_t none_get_bypass_route(routing_component_t rc,
2365                                               const char *src,
2366                                               const char *dst)
2367 {
2368   return NULL;
2369 }
2370
2371 static void none_finalize(routing_component_t rc)
2372 {
2373   xbt_free(rc);
2374 }
2375
2376 static void none_set_processing_unit(routing_component_t rc,
2377                                      const char *name)
2378 {
2379 }
2380
2381 static void none_set_autonomous_system(routing_component_t rc,
2382                                        const char *name)
2383 {
2384 }
2385
2386 /* Creation routing model functions */
2387 static void *model_none_create(void)
2388 {
2389   routing_component_none_t new_component =
2390       xbt_new0(s_routing_component_none_t, 1);
2391   new_component->generic_routing.set_processing_unit =
2392       none_set_processing_unit;
2393   new_component->generic_routing.set_autonomous_system =
2394       none_set_autonomous_system;
2395   new_component->generic_routing.set_route = NULL;
2396   new_component->generic_routing.set_ASroute = NULL;
2397   new_component->generic_routing.set_bypassroute = NULL;
2398   new_component->generic_routing.get_route = none_get_route;
2399   new_component->generic_routing.get_onelink_routes =
2400       none_get_onelink_routes;
2401   new_component->generic_routing.get_bypass_route = none_get_bypass_route;
2402   new_component->generic_routing.finalize = none_finalize;
2403   return new_component;
2404 }
2405
2406 static void model_none_load(void)
2407 {
2408 }
2409
2410 static void model_none_unload(void)
2411 {
2412 }
2413
2414 static void model_none_end(void)
2415 {
2416 }
2417
2418 /* ************************************************** */
2419 /* ********** PATERN FOR NEW ROUTING **************** */
2420
2421 /* The minimal configuration of a new routing model need the next functions,
2422  * also you need to set at the start of the file, the new model in the model
2423  * list. Remember keep the null ending of the list.
2424  */
2425 /*** Routing model structure ***/
2426 // typedef struct {
2427 //   s_routing_component_t generic_routing;
2428 //   /* things that your routing model need */
2429 // } s_routing_component_NEW_t,*routing_component_NEW_t;
2430
2431 /*** Parse routing model functions ***/
2432 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
2433 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
2434 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
2435 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
2436 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
2437
2438 /*** Business methods ***/
2439 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2440 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2441 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
2442
2443 /*** Creation routing model functions ***/
2444 // static void* model_NEW_create(void) {
2445 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
2446 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
2447 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
2448 //   new_component->generic_routing.set_route = model_NEW_set_route;
2449 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
2450 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
2451 //   new_component->generic_routing.get_route = NEW_get_route;
2452 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
2453 //   new_component->generic_routing.finalize = NEW_finalize;
2454 //   /* initialization of internal structures */
2455 //   return new_component;
2456 // } /* mandatory */
2457 // static void  model_NEW_load(void) {}   /* mandatory */
2458 // static void  model_NEW_unload(void) {} /* mandatory */
2459 // static void  model_NEW_end(void) {}    /* mandatory */
2460
2461 /* ************************************************************************** */
2462 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
2463
2464 static void generic_set_processing_unit(routing_component_t rc,
2465                                         const char *name)
2466 {
2467   DEBUG1("Load process unit \"%s\"", name);
2468   int *id = xbt_new0(int, 1);
2469   xbt_dict_t _to_index;
2470   _to_index = current_routing->to_index;
2471   *id = xbt_dict_length(_to_index);
2472   xbt_dict_set(_to_index, name, id, xbt_free);
2473 }
2474
2475 static void generic_set_autonomous_system(routing_component_t rc,
2476                                           const char *name)
2477 {
2478   DEBUG1("Load Autonomous system \"%s\"", name);
2479   int *id = xbt_new0(int, 1);
2480   xbt_dict_t _to_index;
2481   _to_index = current_routing->to_index;
2482   *id = xbt_dict_length(_to_index);
2483   xbt_dict_set(_to_index, name, id, xbt_free);
2484 }
2485
2486 static void generic_set_route(routing_component_t rc, const char *src,
2487                               const char *dst, route_t route)
2488 {
2489   DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
2490   model_type_t modeltype = rc->routing;
2491   xbt_dict_t _parse_routes;
2492   xbt_dict_t _to_index;
2493   char *route_name;
2494   int *src_id, *dst_id;
2495   _to_index = current_routing->to_index;
2496
2497   if (modeltype == &routing_models[SURF_MODEL_FULL]) {
2498     _parse_routes = ((routing_component_full_t) rc)->parse_routes;
2499
2500   } else if (modeltype == &routing_models[SURF_MODEL_FLOYD]) {
2501     _parse_routes = ((routing_component_floyd_t) rc)->parse_routes;
2502
2503   } else if (modeltype == &routing_models[SURF_MODEL_DIJKSTRA] ||
2504              modeltype == &routing_models[SURF_MODEL_DIJKSTRACACHE]) {
2505     _parse_routes = ((routing_component_dijkstra_t) rc)->parse_routes;
2506
2507   } else
2508     xbt_die("\"generic_set_route\" not supported");
2509
2510   src_id = xbt_dict_get_or_null(_to_index, src);
2511   dst_id = xbt_dict_get_or_null(_to_index, dst);
2512
2513   xbt_assert2(src_id
2514               && dst_id, "Network elements %s or %s not found", src, dst);
2515   route_name = bprintf("%d#%d", *src_id, *dst_id);
2516
2517   xbt_assert2(xbt_dynar_length(route->link_list) > 0,
2518               "Invalid count of links, must be greater than zero (%s,%s)",
2519               src, dst);
2520   xbt_assert2(!xbt_dict_get_or_null(_parse_routes, route_name),
2521               "The route between \"%s\" and \"%s\" already exist", src,
2522               dst);
2523
2524   xbt_dict_set(_parse_routes, route_name, route, NULL);
2525   xbt_free(route_name);
2526 }
2527
2528 static void generic_set_ASroute(routing_component_t rc, const char *src,
2529                                 const char *dst, route_extended_t e_route)
2530 {
2531   DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
2532          e_route->src_gateway, dst, e_route->dst_gateway);
2533   model_type_t modeltype = rc->routing;
2534   xbt_dict_t _parse_routes;
2535   xbt_dict_t _to_index;
2536   char *route_name;
2537   int *src_id, *dst_id;
2538   _to_index = current_routing->to_index;
2539
2540   if (modeltype == &routing_models[SURF_MODEL_FULL]) {
2541     _parse_routes = ((routing_component_full_t) rc)->parse_routes;
2542
2543   } else if (modeltype == &routing_models[SURF_MODEL_FLOYD]) {
2544     _parse_routes = ((routing_component_floyd_t) rc)->parse_routes;
2545
2546   } else if (modeltype == &routing_models[SURF_MODEL_DIJKSTRA] ||
2547              modeltype == &routing_models[SURF_MODEL_DIJKSTRACACHE]) {
2548     _parse_routes = ((routing_component_dijkstra_t) rc)->parse_routes;
2549
2550   } else
2551     xbt_die("\"generic_set_route\" not supported");
2552
2553   src_id = xbt_dict_get_or_null(_to_index, src);
2554   dst_id = xbt_dict_get_or_null(_to_index, dst);
2555
2556   xbt_assert2(src_id
2557               && dst_id, "Network elements %s or %s not found", src, dst);
2558   route_name = bprintf("%d#%d", *src_id, *dst_id);
2559
2560   xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2561               "Invalid count of links, must be greater than zero (%s,%s)",
2562               src, dst);
2563   xbt_assert4(!xbt_dict_get_or_null(_parse_routes, route_name),
2564               "The route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
2565               src, e_route->src_gateway, dst, e_route->dst_gateway);
2566
2567   xbt_dict_set(_parse_routes, route_name, e_route, NULL);
2568   xbt_free(route_name);
2569 }
2570
2571 static void generic_set_bypassroute(routing_component_t rc,
2572                                     const char *src, const char *dst,
2573                                     route_extended_t e_route)
2574 {
2575   DEBUG2("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
2576   model_type_t modeltype = rc->routing;
2577   xbt_dict_t dict_bypassRoutes;
2578   char *route_name;
2579   if (modeltype == &routing_models[SURF_MODEL_FULL]) {
2580     dict_bypassRoutes = ((routing_component_full_t) rc)->bypassRoutes;
2581   } else if (modeltype == &routing_models[SURF_MODEL_FLOYD]) {
2582     dict_bypassRoutes = ((routing_component_floyd_t) rc)->bypassRoutes;
2583   } else if (modeltype == &routing_models[SURF_MODEL_DIJKSTRA] ||
2584              modeltype == &routing_models[SURF_MODEL_DIJKSTRACACHE]) {
2585     dict_bypassRoutes = ((routing_component_dijkstra_t) rc)->bypassRoutes;
2586   } else
2587     xbt_die("\"generic_set_bypassroute\" not supported");
2588   route_name = bprintf("%s#%s", src, dst);
2589   xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
2590               "Invalid count of links, must be greater than zero (%s,%s)",
2591               src, dst);
2592   xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
2593               "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
2594               src, e_route->src_gateway, dst, e_route->dst_gateway);
2595
2596   route_extended_t new_e_route =
2597       generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
2598   xbt_dynar_free(&(e_route->generic_route.link_list));
2599   xbt_free(e_route);
2600
2601   xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
2602                (void (*)(void *)) generic_free_extended_route);
2603   xbt_free(route_name);
2604 }
2605
2606 /* ************************************************************************** */
2607 /* *********************** GENERIC BUSINESS METHODS ************************* */
2608
2609 static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
2610 {
2611   xbt_die("\"generic_get_onelink_routes\" not implemented yet");
2612 }
2613
2614 static route_extended_t generic_get_bypassroute(routing_component_t rc,
2615                                                 const char *src,
2616                                                 const char *dst)
2617 {
2618   model_type_t modeltype = rc->routing;
2619   xbt_dict_t dict_bypassRoutes;
2620
2621   if (modeltype == &routing_models[SURF_MODEL_FULL]) {
2622     dict_bypassRoutes = ((routing_component_full_t) rc)->bypassRoutes;
2623   } else if (modeltype == &routing_models[SURF_MODEL_FLOYD]) {
2624     dict_bypassRoutes = ((routing_component_floyd_t) rc)->bypassRoutes;
2625   } else if (modeltype == &routing_models[SURF_MODEL_DIJKSTRA] ||
2626              modeltype == &routing_models[SURF_MODEL_DIJKSTRACACHE]) {
2627     dict_bypassRoutes = ((routing_component_dijkstra_t) rc)->bypassRoutes;
2628   } else
2629     xbt_die("\"generic_get_bypassroute\" not supported");
2630
2631
2632   routing_component_t src_as, dst_as;
2633   int index_src, index_dst;
2634   xbt_dynar_t path_src = NULL;
2635   xbt_dynar_t path_dst = NULL;
2636   routing_component_t current = NULL;
2637   routing_component_t *current_src = NULL;
2638   routing_component_t *current_dst = NULL;
2639
2640   /* (1) find the as where the src and dst are located */
2641   src_as = ((network_element_info_t)
2642             xbt_dict_get_or_null(global_routing->where_network_elements,
2643                                  src))->rc_component;
2644   dst_as = ((network_element_info_t)
2645             xbt_dict_get_or_null(global_routing->where_network_elements,
2646                                  dst))->rc_component;
2647   xbt_assert2(src_as
2648               && dst_as,
2649               "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
2650               dst);
2651
2652   /* (2) find the path to the root routing component */
2653   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
2654   current = src_as;
2655   while (current != NULL) {
2656     xbt_dynar_push(path_src, &current);
2657     current = current->routing_father;
2658   }
2659   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
2660   current = dst_as;
2661   while (current != NULL) {
2662     xbt_dynar_push(path_dst, &current);
2663     current = current->routing_father;
2664   }
2665
2666   /* (3) find the common father */
2667   index_src = (path_src->used) - 1;
2668   index_dst = (path_dst->used) - 1;
2669   current_src = xbt_dynar_get_ptr(path_src, index_src);
2670   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2671   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
2672     routing_component_t *tmp_src, *tmp_dst;
2673     tmp_src = xbt_dynar_pop_ptr(path_src);
2674     tmp_dst = xbt_dynar_pop_ptr(path_dst);
2675     index_src--;
2676     index_dst--;
2677     current_src = xbt_dynar_get_ptr(path_src, index_src);
2678     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
2679   }
2680
2681   int max_index_src = (path_src->used) - 1;
2682   int max_index_dst = (path_dst->used) - 1;
2683
2684   int max_index = max(max_index_src, max_index_dst);
2685   int i, max;
2686
2687   route_extended_t e_route_bypass = NULL;
2688
2689   for (max = 0; max <= max_index; max++) {
2690     for (i = 0; i < max; i++) {
2691       if (i <= max_index_src && max <= max_index_dst) {
2692         char *route_name = bprintf("%s#%s",
2693                                    (*(routing_component_t *)
2694                                     (xbt_dynar_get_ptr
2695                                      (path_src, i)))->name,
2696                                    (*(routing_component_t *)
2697                                     (xbt_dynar_get_ptr
2698                                      (path_dst, max)))->name);
2699         e_route_bypass =
2700             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2701         xbt_free(route_name);
2702       }
2703       if (e_route_bypass)
2704         break;
2705       if (max <= max_index_src && i <= max_index_dst) {
2706         char *route_name = bprintf("%s#%s",
2707                                    (*(routing_component_t *)
2708                                     (xbt_dynar_get_ptr
2709                                      (path_src, max)))->name,
2710                                    (*(routing_component_t *)
2711                                     (xbt_dynar_get_ptr
2712                                      (path_dst, i)))->name);
2713         e_route_bypass =
2714             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2715         xbt_free(route_name);
2716       }
2717       if (e_route_bypass)
2718         break;
2719     }
2720
2721     if (e_route_bypass)
2722       break;
2723
2724     if (max <= max_index_src && max <= max_index_dst) {
2725       char *route_name = bprintf("%s#%s",
2726                                  (*(routing_component_t *)
2727                                   (xbt_dynar_get_ptr
2728                                    (path_src, max)))->name,
2729                                  (*(routing_component_t *)
2730                                   (xbt_dynar_get_ptr
2731                                    (path_dst, max)))->name);
2732       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
2733       xbt_free(route_name);
2734     }
2735     if (e_route_bypass)
2736       break;
2737   }
2738
2739   xbt_dynar_free(&path_src);
2740   xbt_dynar_free(&path_dst);
2741
2742   route_extended_t new_e_route = NULL;
2743
2744   if (e_route_bypass) {
2745     void *link;
2746     unsigned int cpt = 0;
2747     new_e_route = xbt_new0(s_route_extended_t, 1);
2748     new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
2749     new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
2750     new_e_route->generic_route.link_list =
2751         xbt_dynar_new(global_routing->size_of_link, NULL);
2752     xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
2753       xbt_dynar_push(new_e_route->generic_route.link_list, &link);
2754     }
2755   }
2756
2757   return new_e_route;
2758 }
2759
2760 /* ************************************************************************** */
2761 /* ************************* GENERIC AUX FUNCTIONS ************************** */
2762
2763 static route_extended_t
2764 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
2765                            void *data, int order)
2766 {
2767
2768   char *link_name;
2769   route_extended_t e_route, new_e_route;
2770   route_t route;
2771   unsigned int cpt;
2772   xbt_dynar_t links = NULL, links_id = NULL;
2773
2774   new_e_route = xbt_new0(s_route_extended_t, 1);
2775   new_e_route->generic_route.link_list =
2776       xbt_dynar_new(global_routing->size_of_link, NULL);
2777   new_e_route->src_gateway = NULL;
2778   new_e_route->dst_gateway = NULL;
2779
2780   xbt_assert0(hierarchy == SURF_ROUTING_BASE
2781               || hierarchy == SURF_ROUTING_RECURSIVE,
2782               "the hierarchy type is not defined");
2783
2784   if (hierarchy == SURF_ROUTING_BASE) {
2785
2786     route = (route_t) data;
2787     links = route->link_list;
2788
2789   } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
2790
2791     e_route = (route_extended_t) data;
2792     xbt_assert0(e_route->src_gateway
2793                 && e_route->dst_gateway, "bad gateway, is null");
2794     links = e_route->generic_route.link_list;
2795
2796     /* remeber not erase the gateway names */
2797     new_e_route->src_gateway = e_route->src_gateway;
2798     new_e_route->dst_gateway = e_route->dst_gateway;
2799   }
2800
2801   links_id = new_e_route->generic_route.link_list;
2802
2803   xbt_dynar_foreach(links, cpt, link_name) {
2804
2805     void *link =
2806         xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
2807     if (link) {
2808       if (order)
2809         xbt_dynar_push(links_id, &link);
2810       else
2811         xbt_dynar_unshift(links_id, &link);
2812     } else
2813       THROW1(mismatch_error, 0, "Link %s not found", link_name);
2814   }
2815
2816   return new_e_route;
2817 }
2818
2819 static void generic_free_route(route_t route)
2820 {
2821   if (route) {
2822     xbt_dynar_free(&(route->link_list));
2823     xbt_free(route);
2824   }
2825 }
2826
2827 static void generic_free_extended_route(route_extended_t e_route)
2828 {
2829   if (e_route) {
2830     xbt_dynar_free(&(e_route->generic_route.link_list));
2831     if (e_route->src_gateway)
2832       xbt_free(e_route->src_gateway);
2833     if (e_route->dst_gateway)
2834       xbt_free(e_route->dst_gateway);
2835     xbt_free(e_route);
2836   }
2837 }
2838
2839 static routing_component_t generic_as_exist(routing_component_t find_from,
2840                                             routing_component_t to_find)
2841 {
2842   //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2843   xbt_dict_cursor_t cursor = NULL;
2844   char *key;
2845   int found = 0;
2846   routing_component_t elem;
2847   xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
2848     if (to_find == elem || generic_as_exist(elem, to_find)) {
2849       found = 1;
2850       break;
2851     }
2852   }
2853   if (found)
2854     return to_find;
2855   return NULL;
2856 }
2857
2858 static routing_component_t
2859 generic_autonomous_system_exist(routing_component_t rc, char *element)
2860 {
2861   //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2862   routing_component_t element_as, result, elem;
2863   xbt_dict_cursor_t cursor = NULL;
2864   char *key;
2865   element_as = ((network_element_info_t)
2866                 xbt_dict_get_or_null
2867                 (global_routing->where_network_elements,
2868                  element))->rc_component;
2869   result = ((routing_component_t) - 1);
2870   if (element_as != rc)
2871     result = generic_as_exist(rc, element_as);
2872
2873   int found = 0;
2874   if (result) {
2875     xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
2876       found = !strcmp(elem->name, element);
2877       if (found)
2878         break;
2879     }
2880     if (found)
2881       return element_as;
2882   }
2883   return NULL;
2884 }
2885
2886 static routing_component_t
2887 generic_processing_units_exist(routing_component_t rc, char *element)
2888 {
2889   routing_component_t element_as;
2890   element_as = ((network_element_info_t)
2891                 xbt_dict_get_or_null
2892                 (global_routing->where_network_elements,
2893                  element))->rc_component;
2894   if (element_as == rc)
2895     return element_as;
2896   return generic_as_exist(rc, element_as);
2897 }
2898
2899 static void generic_src_dst_check(routing_component_t rc, const char *src,
2900                                   const char *dst)
2901 {
2902
2903   routing_component_t src_as = ((network_element_info_t)
2904                                 xbt_dict_get_or_null
2905                                 (global_routing->where_network_elements,
2906                                  src))->rc_component;
2907   routing_component_t dst_as = ((network_element_info_t)
2908                                 xbt_dict_get_or_null
2909                                 (global_routing->where_network_elements,
2910                                  dst))->rc_component;
2911
2912   xbt_assert3(src_as != NULL && dst_as != NULL,
2913               "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
2914               src, dst, rc->name);
2915   xbt_assert4(src_as == dst_as,
2916               "The src(%s in %s) and dst(%s in %s) are in differents AS",
2917               src, src_as->name, dst, dst_as->name);
2918   xbt_assert2(rc == dst_as,
2919               "The routing component of src and dst is not the same as the network elements belong (%s==%s)",
2920               rc->name, dst_as->name);
2921 }
2922
2923 static void parse_Sconfig(void)
2924 {
2925   //TODO
2926   DEBUG0("WARNING tag config not yet implemented.");
2927 }
2928
2929 static void routing_full_parse_Scluster(void)
2930 {
2931   static int AX_ptr = 0;
2932
2933   char *cluster_id = A_surfxml_cluster_id;
2934   char *cluster_prefix = A_surfxml_cluster_prefix;
2935   char *cluster_suffix = A_surfxml_cluster_suffix;
2936   char *cluster_radical = A_surfxml_cluster_radical;
2937   char *cluster_power = A_surfxml_cluster_power;
2938   char *cluster_bw = A_surfxml_cluster_bw;
2939   char *cluster_lat = A_surfxml_cluster_lat;
2940   char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
2941   char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
2942   char *host_id, *groups, *link_id;
2943   char *router_id, *link_router, *link_backbone, *route_src_dst;
2944   unsigned int iter;
2945   int start, end, i;
2946   xbt_dynar_t radical_elements;
2947   xbt_dynar_t radical_ends;
2948 #ifndef HAVE_PCRE_LIB
2949   xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
2950   char *route_src, *route_dst;
2951   int j;
2952 #endif
2953
2954   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
2955   static unsigned int surfxml_buffer_stack_stack[1024];
2956
2957   surfxml_buffer_stack_stack[0] = 0;
2958
2959   surfxml_bufferstack_push(1);
2960
2961   SURFXML_BUFFER_SET(AS_id, cluster_id);
2962 #ifdef HAVE_PCRE_LIB
2963   SURFXML_BUFFER_SET(AS_routing, "RuleBased");
2964   DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
2965 #else
2966   SURFXML_BUFFER_SET(AS_routing, "Full");
2967   DEBUG1("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
2968 #endif
2969   SURFXML_START_TAG(AS);
2970
2971   radical_elements = xbt_str_split(cluster_radical, ",");
2972   xbt_dynar_foreach(radical_elements, iter, groups) {
2973     radical_ends = xbt_str_split(groups, "-");
2974     switch (xbt_dynar_length(radical_ends)) {
2975     case 1:
2976       surf_parse_get_int(&start,
2977                          xbt_dynar_get_as(radical_ends, 0, char *));
2978       host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
2979 #ifndef HAVE_PCRE_LIB
2980       xbt_dynar_push_as(tab_elements_num, int, start);
2981 #endif
2982       link_id = bprintf("%s_link_%d", cluster_id, start);
2983
2984       DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
2985       SURFXML_BUFFER_SET(host_id, host_id);
2986       SURFXML_BUFFER_SET(host_power, cluster_power);
2987       SURFXML_BUFFER_SET(host_availability, "1.0");
2988       SURFXML_BUFFER_SET(host_availability_file, "");
2989       A_surfxml_host_state = A_surfxml_host_state_ON;
2990       SURFXML_BUFFER_SET(host_state_file, "");
2991       SURFXML_START_TAG(host);
2992       SURFXML_END_TAG(host);
2993
2994       DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,
2995              cluster_bw, cluster_lat);
2996       SURFXML_BUFFER_SET(link_id, link_id);
2997       SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
2998       SURFXML_BUFFER_SET(link_latency, cluster_lat);
2999       SURFXML_BUFFER_SET(link_bandwidth_file, "");
3000       SURFXML_BUFFER_SET(link_latency_file, "");
3001       A_surfxml_link_state = A_surfxml_link_state_ON;
3002       SURFXML_BUFFER_SET(link_state_file, "");
3003       A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3004       SURFXML_START_TAG(link);
3005       SURFXML_END_TAG(link);
3006
3007       break;
3008
3009     case 2:
3010
3011       surf_parse_get_int(&start,
3012                          xbt_dynar_get_as(radical_ends, 0, char *));
3013       surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
3014       DEBUG2("Create hosts and links from %d to %d", start, end);
3015       for (i = start; i <= end; i++) {
3016         host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
3017 #ifndef HAVE_PCRE_LIB
3018         xbt_dynar_push_as(tab_elements_num, int, i);
3019 #endif
3020         link_id = bprintf("%s_link_%d", cluster_id, i);
3021
3022         DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
3023         SURFXML_BUFFER_SET(host_id, host_id);
3024         SURFXML_BUFFER_SET(host_power, cluster_power);
3025         SURFXML_BUFFER_SET(host_availability, "1.0");
3026         SURFXML_BUFFER_SET(host_availability_file, "");
3027         A_surfxml_host_state = A_surfxml_host_state_ON;
3028         SURFXML_BUFFER_SET(host_state_file, "");
3029         SURFXML_START_TAG(host);
3030         SURFXML_END_TAG(host);
3031
3032         DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,
3033                cluster_bw, cluster_lat);
3034         SURFXML_BUFFER_SET(link_id, link_id);
3035         SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3036         SURFXML_BUFFER_SET(link_latency, cluster_lat);
3037         SURFXML_BUFFER_SET(link_bandwidth_file, "");
3038         SURFXML_BUFFER_SET(link_latency_file, "");
3039         A_surfxml_link_state = A_surfxml_link_state_ON;
3040         SURFXML_BUFFER_SET(link_state_file, "");
3041         A_surfxml_link_sharing_policy =
3042             A_surfxml_link_sharing_policy_SHARED;
3043         SURFXML_START_TAG(link);
3044         SURFXML_END_TAG(link);
3045       }
3046       break;
3047
3048     default:
3049       DEBUG0("Malformed radical");
3050     }
3051
3052     xbt_dynar_free(&radical_ends);
3053   }
3054
3055   DEBUG0(" ");
3056   router_id =
3057       bprintf("%s%s_router%s", cluster_prefix, cluster_id,
3058               cluster_suffix);
3059   link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
3060   link_backbone = bprintf("%s_backbone", cluster_id);
3061
3062   DEBUG1("<router id=\"%s\"/>", router_id);
3063   SURFXML_BUFFER_SET(router_id, router_id);;
3064   SURFXML_START_TAG(router);
3065   SURFXML_END_TAG(router);
3066
3067   DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_router,
3068          cluster_bw, cluster_lat);
3069   SURFXML_BUFFER_SET(link_id, link_router);
3070   SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
3071   SURFXML_BUFFER_SET(link_latency, cluster_lat);
3072   SURFXML_BUFFER_SET(link_bandwidth_file, "");
3073   SURFXML_BUFFER_SET(link_latency_file, "");
3074   A_surfxml_link_state = A_surfxml_link_state_ON;
3075   SURFXML_BUFFER_SET(link_state_file, "");
3076   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3077   SURFXML_START_TAG(link);
3078   SURFXML_END_TAG(link);
3079
3080   DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_backbone,
3081          cluster_bb_bw, cluster_bb_lat);
3082   SURFXML_BUFFER_SET(link_id, link_backbone);
3083   SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
3084   SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
3085   SURFXML_BUFFER_SET(link_bandwidth_file, "");
3086   SURFXML_BUFFER_SET(link_latency_file, "");
3087   A_surfxml_link_state = A_surfxml_link_state_ON;
3088   SURFXML_BUFFER_SET(link_state_file, "");
3089   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
3090   SURFXML_START_TAG(link);
3091   SURFXML_END_TAG(link);
3092
3093   char *new_suffix = bprintf("%s", "");
3094
3095   radical_elements = xbt_str_split(cluster_suffix, ".");
3096   xbt_dynar_foreach(radical_elements, iter, groups) {
3097     if (strcmp(groups, "")) {
3098       new_suffix = bprintf("%s\\.%s", new_suffix, groups);
3099     }
3100   }
3101   route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
3102
3103   DEBUG0(" ");
3104
3105 #ifdef HAVE_PCRE_LIB
3106
3107   DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\">", route_src_dst, route_src_dst);
3108   SURFXML_BUFFER_SET(route_src, route_src_dst);
3109   SURFXML_BUFFER_SET(route_dst, route_src_dst);
3110   SURFXML_START_TAG(route);
3111
3112   DEBUG1("<link:ctn\tid=\"%s_link_$1src\"/>", cluster_id);
3113   SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1src", cluster_id));
3114   SURFXML_START_TAG(link_ctn);
3115   SURFXML_END_TAG(link_ctn);
3116
3117   DEBUG1("<link:ctn\tid=\"%s_backbone\"/>", cluster_id);
3118   SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3119   SURFXML_START_TAG(link_ctn);
3120   SURFXML_END_TAG(link_ctn);
3121
3122   DEBUG1("<link:ctn\tid=\"%s_link_$1dst\"/>", cluster_id);
3123   SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1dst", cluster_id));
3124   SURFXML_START_TAG(link_ctn);
3125   SURFXML_END_TAG(link_ctn);
3126
3127   DEBUG0("</route>");
3128   SURFXML_END_TAG(route);
3129 #else
3130   for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
3131     for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
3132       if (i == xbt_dynar_length(tab_elements_num)) {
3133         route_src = router_id;
3134       } else {
3135         route_src =
3136             bprintf("%s%d%s", cluster_prefix,
3137                     xbt_dynar_get_as(tab_elements_num, i, int),
3138                     cluster_suffix);
3139       }
3140
3141       if (j == xbt_dynar_length(tab_elements_num)) {
3142         route_dst = router_id;
3143       } else {
3144         route_dst =
3145             bprintf("%s%d%s", cluster_prefix,
3146                     xbt_dynar_get_as(tab_elements_num, j, int),
3147                     cluster_suffix);
3148       }
3149
3150       DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\">", route_src, route_dst);
3151       SURFXML_BUFFER_SET(route_src, route_src);
3152       SURFXML_BUFFER_SET(route_dst, route_dst);
3153       SURFXML_START_TAG(route);
3154
3155       if (i == xbt_dynar_length(tab_elements_num)) {
3156         route_src = link_router;
3157       } else {
3158         route_src =
3159             bprintf("%s_link_%d", cluster_id,
3160                     xbt_dynar_get_as(tab_elements_num, i, int));
3161       }
3162
3163       if (j == xbt_dynar_length(tab_elements_num)) {
3164         route_dst = link_router;
3165       } else {
3166         route_dst =
3167             bprintf("%s_link_%d", cluster_id,
3168                     xbt_dynar_get_as(tab_elements_num, j, int));
3169       }
3170
3171       DEBUG1("<link:ctn\tid=\"%s\"/>", route_src);
3172       SURFXML_BUFFER_SET(link_ctn_id, route_src);
3173       SURFXML_START_TAG(link_ctn);
3174       SURFXML_END_TAG(link_ctn);
3175
3176       DEBUG1("<link:ctn\tid=\"%s_backbone\"/>", cluster_id);
3177       SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
3178       SURFXML_START_TAG(link_ctn);
3179       SURFXML_END_TAG(link_ctn);
3180
3181       DEBUG1("<link:ctn\tid=\"%s\"/>", route_dst);
3182       SURFXML_BUFFER_SET(link_ctn_id, route_dst);
3183       SURFXML_START_TAG(link_ctn);
3184       SURFXML_END_TAG(link_ctn);
3185
3186       DEBUG0("</route>");
3187       SURFXML_END_TAG(route);
3188     }
3189   }
3190   xbt_dynar_free(&tab_elements_num);
3191 #endif
3192
3193   DEBUG0("</AS>");
3194   SURFXML_END_TAG(AS);
3195   DEBUG0(" ");
3196
3197   surfxml_bufferstack_pop(1);
3198 }
3199
3200 /*
3201  * New methods to init the routing model component from the lua script
3202  */
3203
3204 /*
3205  * calling parse_S_AS_lua with lua values
3206  */
3207 void routing_AS_init(const char *AS_id, const char *AS_routing)
3208 {
3209   parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
3210 }
3211
3212 /*
3213  * calling parse_E_AS_lua to fisnish the creation of routing component
3214  */
3215 void routing_AS_end(const char *AS_id)
3216 {
3217   parse_E_AS_lua((char *) AS_id);
3218 }
3219
3220 /*
3221  * add a host to the network element list
3222  */
3223
3224 void routing_add_host(const char *host_id)
3225 {
3226   parse_S_host_lua((char *) host_id);
3227 }
3228
3229 /*
3230  * Set a new link on the actual list of link for a route or ASroute
3231  */
3232 void routing_add_link(const char *link_id)
3233 {
3234   parse_E_link_c_ctn_new_elem_lua((char *) link_id);
3235 }
3236
3237 /*
3238  *Set the endpoints for a route
3239  */
3240 void routing_set_route(const char *src_id, const char *dst_id)
3241 {
3242   parse_S_route_new_and_endpoints_lua((char *) src_id, (char *) dst_id);
3243 }
3244
3245 /*
3246  * Store the route by calling parse_E_route_store_route
3247  */
3248 void routing_store_route(void)
3249 {
3250   parse_E_route_store_route();
3251 }