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