src/surf/surf_routing.c

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