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
  51 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
  52
  53 static void routing_parse_peer(sg_platf_peer_cbarg_t peer);          /* peer bypass */
  54 static void routing_parse_Srandom(void);        /* random bypass */
  55
  56 static char* replace_random_parameter(char * chaine);
  57 static void routing_parse_postparse(void);
  58
  59 /* this lines are only for replace use like index in the model table */
  60 typedef enum {
  61   SURF_MODEL_FULL = 0,
  62   SURF_MODEL_FLOYD,
  63   SURF_MODEL_DIJKSTRA,
  64   SURF_MODEL_DIJKSTRACACHE,
  65   SURF_MODEL_NONE,
  66   SURF_MODEL_RULEBASED,
  67   SURF_MODEL_VIVALDI,
  68   SURF_MODEL_CLUSTER
  69 } e_routing_types;
  70
  71 struct s_model_type routing_models[] = {
  72     { "Full", "Full routing data (fast, large memory requirements, fully expressive)",
  73         model_full_create, model_full_load, model_full_unload, model_full_end
  74     },
  75     { "Floyd", "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
  76         model_floyd_create, model_floyd_load, model_floyd_unload, model_floyd_end
  77     },
  78     { "Dijkstra", "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
  79         model_dijkstra_create, model_dijkstra_both_load,
  80         model_dijkstra_both_unload, model_dijkstra_both_end
  81     },
  82     { "DijkstraCache", "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
  83         model_dijkstracache_create, model_dijkstra_both_load, model_dijkstra_both_unload, model_dijkstra_both_end
  84     },
  85     { "none", "No routing (usable with Constant network only)",
  86         model_none_create, model_none_load, model_none_unload, model_none_end
  87     },
  88     { "RuleBased", "Rule-Based routing data (...)",
  89         model_rulebased_create, model_none_load, model_none_unload, model_none_end
  90     },
  91     { "Vivaldi", "Vivaldi routing",
  92         model_vivaldi_create, model_none_load, model_none_unload, model_none_end
  93     },
  94     {"Cluster", "Cluster routing",
  95         model_cluster_create, model_none_load, model_cluster_unload, model_none_end
  96     },
  97     {NULL, NULL, NULL, NULL, NULL, NULL}
  98 };
  99
 100 /**
 101  * \brief Add a "host" to the network element list
 102  */
 103 static void parse_S_host(sg_platf_host_cbarg_t host) {
 104   network_element_info_t info = NULL;
 105   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 106     current_routing->hierarchy = SURF_ROUTING_BASE;
 107   xbt_assert(!xbt_lib_get_or_null(host_lib, host->id,ROUTING_HOST_LEVEL),
 108       "Reading a host, processing unit \"%s\" already exists",
 109       host->id);
 110   xbt_assert(current_routing->set_processing_unit,
 111       "no defined method \"set_processing_unit\" in \"%s\"",
 112       current_routing->name);
 113   (*(current_routing->set_processing_unit)) (current_routing, host->id);
 114   info = xbt_new0(s_network_element_info_t, 1);
 115   info->rc_component = current_routing;
 116   info->rc_type = SURF_NETWORK_ELEMENT_HOST;
 117   xbt_lib_set(host_lib,host->id,ROUTING_HOST_LEVEL,(void *) info);
 118   if (host->coord && strcmp(host->coord,"")) {
 119     if(!COORD_HOST_LEVEL) xbt_die("To use coordinates, you must set configuration 'coordinates' to 'yes'");
 120     xbt_dynar_t ctn = xbt_str_split_str(host->coord, " ");
 121     xbt_dynar_shrink(ctn, 0);
 122     xbt_lib_set(host_lib,host->id,COORD_HOST_LEVEL,(void *) ctn);
 123   }
 124 }
 125
 126 /**
 127  * \brief Add a "router" to the network element list
 128  */
 129 static void parse_S_router(sg_platf_router_cbarg_t router)
 130 {
 131   network_element_info_t info = NULL;
 132   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 133     current_routing->hierarchy = SURF_ROUTING_BASE;
 134   xbt_assert(!xbt_lib_get_or_null(as_router_lib,router->id, ROUTING_ASR_LEVEL),
 135       "Reading a router, processing unit \"%s\" already exists",
 136       router->id);
 137   xbt_assert(current_routing->set_processing_unit,
 138       "no defined method \"set_processing_unit\" in \"%s\"",
 139       current_routing->name);
 140   (*(current_routing->set_processing_unit)) (current_routing, router->id);
 141   info = xbt_new0(s_network_element_info_t, 1);
 142   info->rc_component = current_routing;
 143   info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
 144
 145   xbt_lib_set(as_router_lib,router->id,ROUTING_ASR_LEVEL,(void *) info);
 146   if (strcmp(router->coord,"")) {
 147     if(!COORD_ASR_LEVEL) xbt_die("To use coordinates, you must set configuration 'coordinates' to 'yes'");
 148     xbt_dynar_t ctn = xbt_str_split_str(router->coord, " ");
 149     xbt_dynar_shrink(ctn, 0);
 150     xbt_lib_set(as_router_lib,router->id,COORD_ASR_LEVEL,(void *) ctn);
 151   }
 152 }
 153
 154
 155 /**
 156  * \brief Set the end points for a route
 157  */
 158 static void routing_parse_S_route(void)
 159 {
 160   if (src != NULL && dst != NULL && link_list != NULL)
 161     THROWF(arg_error, 0, "Route between %s to %s can not be defined",
 162         A_surfxml_route_src, A_surfxml_route_dst);
 163   src = A_surfxml_route_src;
 164   dst = A_surfxml_route_dst;
 165   xbt_assert(strlen(src) > 0 || strlen(dst) > 0,
 166       "Some limits are null in the route between \"%s\" and \"%s\"",
 167       src, dst);
 168   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 169 }
 170
 171 /**
 172  * \brief Set the end points and gateways for a ASroute
 173  */
 174 static void routing_parse_S_ASroute(void)
 175 {
 176   if (src != NULL && dst != NULL && link_list != NULL)
 177     THROWF(arg_error, 0, "Route between %s to %s can not be defined",
 178         A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
 179   src = A_surfxml_ASroute_src;
 180   dst = A_surfxml_ASroute_dst;
 181   gw_src = A_surfxml_ASroute_gw_src;
 182   gw_dst = A_surfxml_ASroute_gw_dst;
 183   xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 184       || strlen(gw_dst) > 0,
 185       "Some limits are null in the route between \"%s\" and \"%s\"",
 186       src, dst);
 187   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 188 }
 189
 190 /**
 191  * \brief Set the end points for a bypassRoute
 192  */
 193 static void routing_parse_S_bypassRoute(void)
 194 {
 195   if (src != NULL && dst != NULL && link_list != NULL)
 196     THROWF(arg_error, 0,
 197         "Bypass Route between %s to %s can not be defined",
 198         A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
 199   src = A_surfxml_bypassRoute_src;
 200   dst = A_surfxml_bypassRoute_dst;
 201   gw_src = A_surfxml_bypassRoute_gw_src;
 202   gw_dst = A_surfxml_bypassRoute_gw_dst;
 203   xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 204       || strlen(gw_dst) > 0,
 205       "Some limits are null in the route between \"%s\" and \"%s\"",
 206       src, dst);
 207   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 208 }
 209
 210 /**
 211  * \brief Set a new link on the actual list of link for a route or ASroute from XML
 212  */
 213
 214 static void routing_parse_link_ctn(void)
 215 {
 216   char *link_id;
 217   switch (A_surfxml_link_ctn_direction) {
 218   case AU_surfxml_link_ctn_direction:
 219   case A_surfxml_link_ctn_direction_NONE:
 220     link_id = xbt_strdup(A_surfxml_link_ctn_id);
 221     break;
 222   case A_surfxml_link_ctn_direction_UP:
 223     link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
 224     break;
 225   case A_surfxml_link_ctn_direction_DOWN:
 226     link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
 227   }
 228   xbt_dynar_push(link_list,&link_id);
 229 }
 230
 231 /**
 232  * \brief Store the route by calling the set_route function of the current routing component
 233  */
 234 static void routing_parse_E_route(void)
 235 {
 236   name_route_extended_t route = xbt_new0(s_name_route_extended_t, 1);
 237   route->generic_route.link_list = link_list;
 238   xbt_assert(current_routing->set_route,
 239       "no defined method \"set_route\" in \"%s\"",
 240       current_routing->name);
 241   (*(current_routing->set_route)) (current_routing, src, dst, route);
 242   link_list = NULL;
 243   src = NULL;
 244   dst = NULL;
 245 }
 246
 247 /**
 248  * \brief Store the ASroute by calling the set_ASroute function of the current routing component
 249  */
 250 static void routing_parse_E_ASroute(void)
 251 {
 252   name_route_extended_t e_route = xbt_new0(s_name_route_extended_t, 1);
 253   e_route->generic_route.link_list = link_list;
 254   e_route->src_gateway = xbt_strdup(gw_src);
 255   e_route->dst_gateway = xbt_strdup(gw_dst);
 256   xbt_assert(current_routing->set_ASroute,
 257       "no defined method \"set_ASroute\" in \"%s\"",
 258       current_routing->name);
 259   (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
 260   link_list = NULL;
 261   src = NULL;
 262   dst = NULL;
 263   gw_src = NULL;
 264   gw_dst = NULL;
 265 }
 266
 267 /**
 268  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 269  */
 270 static void routing_parse_E_bypassRoute(void)
 271 {
 272   route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
 273   e_route->generic_route.link_list = link_list;
 274   e_route->src_gateway = xbt_strdup(gw_src);
 275   e_route->dst_gateway = xbt_strdup(gw_dst);
 276   xbt_assert(current_routing->set_bypassroute,
 277       "Bypassing mechanism not implemented by routing '%s'",
 278       current_routing->name);
 279   (*(current_routing->set_bypassroute)) (current_routing, src, dst,
 280       e_route);
 281   link_list = NULL;
 282   src = NULL;
 283   dst = NULL;
 284   gw_src = NULL;
 285   gw_dst = NULL;
 286 }
 287
 288 /**
 289  * \brief Make a new routing component to the platform
 290  *
 291  * Add a new autonomous system to the platform. Any elements (such as host,
 292  * router or sub-AS) added after this call and before the corresponding call
 293  * to sg_platf_new_AS_close() will be added to this AS.
 294  *
 295  * Once this function was called, the configuration concerning the used
 296  * models cannot be changed anymore.
 297  *
 298  * @param AS_id name of this autonomous system. Must be unique in the platform
 299  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
 300  */
 301 void routing_AS_open(const char *AS_id, const char *wanted_routing_type)
 302 {
 303   routing_component_t new_routing;
 304   model_type_t model = NULL;
 305   int cpt;
 306
 307   surf_parse_models_setup(); /* ensure that the models are created after the last <config> tag and before the first <AS>-like */
 308
 309   /* search the routing model */
 310   for (cpt = 0; routing_models[cpt].name; cpt++)
 311     if (!strcmp(wanted_routing_type, routing_models[cpt].name))
 312       model = &routing_models[cpt];
 313   /* if its not exist, error */
 314   if (model == NULL) {
 315     fprintf(stderr, "Routing model %s not found. Existing models:\n",
 316         wanted_routing_type);
 317     for (cpt = 0; routing_models[cpt].name; cpt++)
 318       fprintf(stderr, "   %s: %s\n", routing_models[cpt].name,
 319           routing_models[cpt].desc);
 320     xbt_die(NULL);
 321   }
 322
 323   /* make a new routing component */
 324   new_routing = (routing_component_t) (*(model->create)) ();
 325   new_routing->routing = model;
 326   new_routing->hierarchy = SURF_ROUTING_NULL;
 327   new_routing->name = xbt_strdup(AS_id);
 328   new_routing->routing_sons = xbt_dict_new();
 329
 330   if (current_routing == NULL && global_routing->root == NULL) {
 331
 332     /* it is the first one */
 333     new_routing->routing_father = NULL;
 334     global_routing->root = new_routing;
 335
 336   } else if (current_routing != NULL && global_routing->root != NULL) {
 337
 338     xbt_assert(!xbt_dict_get_or_null
 339         (current_routing->routing_sons, AS_id),
 340         "The AS \"%s\" already exists", AS_id);
 341     /* it is a part of the tree */
 342     new_routing->routing_father = current_routing;
 343     /* set the father behavior */
 344     if (current_routing->hierarchy == SURF_ROUTING_NULL)
 345       current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
 346     /* add to the sons dictionary */
 347     xbt_dict_set(current_routing->routing_sons, AS_id,
 348         (void *) new_routing, NULL);
 349     /* add to the father element list */
 350     (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
 351     /* unload the prev parse rules */
 352     (*(current_routing->routing->unload)) ();
 353
 354   } else {
 355     THROWF(arg_error, 0, "All defined components must be belong to a AS");
 356   }
 357   /* set the new parse rules */
 358   (*(new_routing->routing->load)) ();
 359   /* set the new current component of the tree */
 360   current_routing = new_routing;
 361 }
 362
 363 /**
 364  * \brief Specify that the current description of AS is finished
 365  *
 366  * Once you've declared all the content of your AS, you have to close
 367  * it with this call. Your AS is not usable until you call this function.
 368  *
 369  * @fixme: this call is not as robust as wanted: bad things WILL happen
 370  * if you call it twice for the same AS, or if you forget calling it, or
 371  * even if you add stuff to a closed AS
 372  *
 373  */
 374 void routing_AS_close() {
 375
 376   if (current_routing == NULL) {
 377     THROWF(arg_error, 0, "Close an AS, but none was under construction");
 378   } else {
 379     network_element_info_t info = NULL;
 380     xbt_assert(!xbt_lib_get_or_null(as_router_lib,current_routing->name, ROUTING_ASR_LEVEL),
 381         "The AS \"%s\" already exists",current_routing->name);
 382     info = xbt_new0(s_network_element_info_t, 1);
 383     info->rc_component = current_routing->routing_father;
 384     info->rc_type = SURF_NETWORK_ELEMENT_AS;
 385     xbt_lib_set(as_router_lib,current_routing->name,ROUTING_ASR_LEVEL,(void *) info);
 386
 387     (*(current_routing->routing->unload)) ();
 388     (*(current_routing->routing->end)) ();
 389     current_routing = current_routing->routing_father;
 390     if (current_routing != NULL)
 391       (*(current_routing->routing->load)) ();
 392   }
 393 }
 394
 395 /* Aux Business methods */
 396
 397 /**
 398  * \brief Get the AS name of the element
 399  *
 400  * \param name the host name
 401  *
 402  */
 403 static char* elements_As_name(const char *name)
 404                                         {
 405   routing_component_t as_comp;
 406
 407   /* (1) find the as where the host is located */
 408   as_comp = ((network_element_info_t)
 409       xbt_lib_get_or_null(host_lib,name, ROUTING_HOST_LEVEL))->rc_component;
 410   return as_comp->name;
 411                                         }
 412
 413
 414 /**
 415  * \brief Get the AS father and the first elements of the chain
 416  *
 417  * \param src the source host name
 418  * \param dst the destination host name
 419  *
 420  * Get the common father of the to processing units, and the first different
 421  * father in the chain
 422  */
 423 static void elements_father(const char *src, const char *dst,
 424     routing_component_t *res_father,
 425     routing_component_t *res_src,
 426     routing_component_t *res_dst)
 427 {
 428   xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
 429 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
 430   routing_component_t src_as, dst_as;
 431   routing_component_t path_src[ELEMENTS_FATHER_MAXDEPTH];
 432   routing_component_t path_dst[ELEMENTS_FATHER_MAXDEPTH];
 433   int index_src = 0;
 434   int index_dst = 0;
 435   routing_component_t current;
 436   routing_component_t current_src;
 437   routing_component_t current_dst;
 438   routing_component_t father;
 439
 440   /* (1) find the as where the src and dst are located */
 441   network_element_info_t src_data = xbt_lib_get_or_null(host_lib, src,
 442       ROUTING_HOST_LEVEL);
 443   network_element_info_t dst_data = xbt_lib_get_or_null(host_lib, dst,
 444       ROUTING_HOST_LEVEL);
 445   if (!src_data)
 446     src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
 447   if (!dst_data)
 448     dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
 449   src_as = src_data->rc_component;
 450   dst_as = dst_data->rc_component;
 451
 452   xbt_assert(src_as && dst_as,
 453       "Ask for route \"from\"(%s) or \"to\"(%s) no found", src, dst);
 454
 455   /* (2) find the path to the root routing component */
 456   for (current = src_as ; current != NULL ; current = current->routing_father) {
 457     if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
 458       xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
 459     path_src[index_src++] = current;
 460   }
 461   for (current = dst_as ; current != NULL ; current = current->routing_father) {
 462     if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
 463       xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
 464     path_dst[index_dst++] = current;
 465   }
 466
 467   /* (3) find the common father */
 468   do {
 469     current_src = path_src[--index_src];
 470     current_dst = path_dst[--index_dst];
 471   } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
 472
 473   /* (4) they are not in the same routing component, make the path */
 474   if (current_src == current_dst)
 475     father = current_src;
 476   else
 477     father = path_src[index_src + 1];
 478
 479   /* (5) result generation */
 480   *res_father = father;         /* first the common father of src and dst */
 481   *res_src = current_src;       /* second the first different father of src */
 482   *res_dst = current_dst;       /* three  the first different father of dst */
 483
 484 #undef ELEMENTS_FATHER_MAXDEPTH
 485 }
 486
 487 /* Global Business methods */
 488
 489 /**
 490  * \brief Recursive function for get_route_latency
 491  *
 492  * \param src the source host name
 493  * \param dst the destination host name
 494  * \param *e_route the route where the links are stored
 495  * \param *latency the latency, if needed
 496  *
 497  * This function is called by "get_route" and "get_latency". It allows to walk
 498  * recursively through the routing components tree.
 499  */
 500 static void _get_route_latency(const char *src, const char *dst,
 501     xbt_dynar_t *route, double *latency)
 502 {
 503   XBT_DEBUG("Solve route/latency  \"%s\" to \"%s\"", src, dst);
 504   xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
 505
 506   routing_component_t common_father;
 507   routing_component_t src_father;
 508   routing_component_t dst_father;
 509   elements_father(src, dst, &common_father, &src_father, &dst_father);
 510
 511   if (src_father == dst_father) { /* SURF_ROUTING_BASE */
 512
 513     route_extended_t e_route = NULL;
 514     if (route) {
 515       e_route = common_father->get_route(common_father, src, dst);
 516       xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst);
 517       *route = e_route->generic_route.link_list;
 518     }
 519     if (latency) {
 520       *latency = common_father->get_latency(common_father, src, dst, e_route);
 521       xbt_assert(*latency >= 0.0,
 522           "latency error on route between \"%s\" and \"%s\"", src, dst);
 523     }
 524     if (e_route) {
 525       xbt_free(e_route->src_gateway);
 526       xbt_free(e_route->dst_gateway);
 527       xbt_free(e_route);
 528     }
 529
 530   } else {                      /* SURF_ROUTING_RECURSIVE */
 531
 532     route_extended_t e_route_bypass = NULL;
 533     if (common_father->get_bypass_route)
 534       e_route_bypass = common_father->get_bypass_route(common_father, src, dst);
 535
 536     xbt_assert(!latency || !e_route_bypass,
 537         "Bypass cannot work yet with get_latency");
 538
 539     route_extended_t e_route_cnt = e_route_bypass
 540         ? e_route_bypass
 541             : common_father->get_route(common_father,
 542                 src_father->name, dst_father->name);
 543
 544     xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
 545         src_father->name, dst_father->name);
 546
 547     xbt_assert((e_route_cnt->src_gateway == NULL) ==
 548         (e_route_cnt->dst_gateway == NULL),
 549         "bad gateway for route between \"%s\" and \"%s\"", src, dst);
 550
 551     if (route) {
 552       *route = xbt_dynar_new(global_routing->size_of_link, NULL);
 553     }
 554     if (latency) {
 555       *latency = common_father->get_latency(common_father,
 556           src_father->name, dst_father->name,
 557           e_route_cnt);
 558       xbt_assert(*latency >= 0.0,
 559           "latency error on route between \"%s\" and \"%s\"",
 560           src_father->name, dst_father->name);
 561     }
 562
 563     void *link;
 564     unsigned int cpt;
 565
 566     if (strcmp(src, e_route_cnt->src_gateway)) {
 567       double latency_src;
 568       xbt_dynar_t route_src;
 569
 570       _get_route_latency(src, e_route_cnt->src_gateway,
 571           (route ? &route_src : NULL),
 572           (latency ? &latency_src : NULL));
 573       if (route) {
 574         xbt_assert(route_src, "no route between \"%s\" and \"%s\"",
 575             src, e_route_cnt->src_gateway);
 576         xbt_dynar_foreach(route_src, cpt, link) {
 577           xbt_dynar_push(*route, &link);
 578         }
 579         xbt_dynar_free(&route_src);
 580       }
 581       if (latency) {
 582         xbt_assert(latency_src >= 0.0,
 583             "latency error on route between \"%s\" and \"%s\"",
 584             src, e_route_cnt->src_gateway);
 585         *latency += latency_src;
 586       }
 587     }
 588
 589     if (route) {
 590       xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 591         xbt_dynar_push(*route, &link);
 592       }
 593     }
 594
 595     if (strcmp(e_route_cnt->dst_gateway, dst)) {
 596       double latency_dst;
 597       xbt_dynar_t route_dst;
 598
 599       _get_route_latency(e_route_cnt->dst_gateway, dst,
 600           (route ? &route_dst : NULL),
 601           (latency ? &latency_dst : NULL));
 602       if (route) {
 603         xbt_assert(route_dst, "no route between \"%s\" and \"%s\"",
 604             e_route_cnt->dst_gateway, dst);
 605         xbt_dynar_foreach(route_dst, cpt, link) {
 606           xbt_dynar_push(*route, &link);
 607         }
 608         xbt_dynar_free(&route_dst);
 609       }
 610       if (latency) {
 611         xbt_assert(latency_dst >= 0.0,
 612             "latency error on route between \"%s\" and \"%s\"",
 613             e_route_cnt->dst_gateway, dst);
 614         *latency += latency_dst;
 615       }
 616     }
 617
 618     generic_free_extended_route(e_route_cnt);
 619   }
 620 }
 621
 622 /**
 623  * \brief Generic function for get_route, get_route_no_cleanup, and get_latency
 624  */
 625 static void get_route_latency(const char *src, const char *dst,
 626     xbt_dynar_t *route, double *latency, int cleanup)
 627 {
 628   _get_route_latency(src, dst, route, latency);
 629   xbt_assert(!route || *route, "no route between \"%s\" and \"%s\"", src, dst);
 630   xbt_assert(!latency || *latency >= 0.0,
 631       "latency error on route between \"%s\" and \"%s\"", src, dst);
 632   if (route) {
 633     xbt_dynar_free(&global_routing->last_route);
 634     global_routing->last_route = cleanup ? *route : NULL;
 635   }
 636 }
 637
 638 /**
 639  * \brief Generic method: find a route between hosts
 640  *
 641  * \param src the source host name
 642  * \param dst the destination host name
 643  *
 644  * walk through the routing components tree and find a route between hosts
 645  * by calling the differents "get_route" functions in each routing component.
 646  * No need to free the returned dynar. It will be freed at the next call.
 647  */
 648 static xbt_dynar_t get_route(const char *src, const char *dst)
 649 {
 650   xbt_dynar_t route = NULL;
 651   get_route_latency(src, dst, &route, NULL, 1);
 652   return route;
 653 }
 654
 655 /**
 656  * \brief Generic method: find a route between hosts
 657  *
 658  * \param src the source host name
 659  * \param dst the destination host name
 660  *
 661  * same as get_route, but return NULL if any exception is raised.
 662  */
 663 static xbt_dynar_t get_route_or_null(const char *src, const char *dst)
 664 {
 665   xbt_dynar_t route = NULL;
 666   xbt_ex_t exception;
 667   TRY {
 668     get_route_latency(src, dst, &route, NULL, 1);
 669   }CATCH(exception) {
 670     xbt_ex_free(exception);
 671     return NULL;
 672   }
 673   return route;
 674 }
 675
 676 /**
 677  * \brief Generic method: find a route between hosts
 678  *
 679  * \param src the source host name
 680  * \param dst the destination host name
 681  *
 682  * walk through the routing components tree and find a route between hosts
 683  * by calling the differents "get_route" functions in each routing component.
 684  * Leaves the caller the responsability to clean the returned dynar.
 685  */
 686 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
 687 {
 688   xbt_dynar_t route = NULL;
 689   get_route_latency(src, dst, &route, NULL, 0);
 690   return route;
 691 }
 692
 693 /*Get Latency*/
 694 static double get_latency(const char *src, const char *dst)
 695 {
 696   double latency = -1.0;
 697   get_route_latency(src, dst, NULL, &latency, 0);
 698   return latency;
 699 }
 700
 701 static int surf_parse_models_setup_already_called=0;
 702 /* Call the last initialization functions, that must be called after the
 703  * <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 704  */
 705 void surf_parse_models_setup()
 706 {
 707   if (surf_parse_models_setup_already_called)
 708     return;
 709   surf_parse_models_setup_already_called=1;
 710   surf_config_models_setup();
 711 }
 712
 713
 714 /**
 715  * \brief Recursive function for finalize
 716  *
 717  * \param rc the source host name
 718  *
 719  * This fuction is call by "finalize". It allow to finalize the
 720  * AS or routing components. It delete all the structures.
 721  */
 722 static void _finalize(routing_component_t rc)
 723 {
 724   if (rc) {
 725     xbt_dict_cursor_t cursor = NULL;
 726     char *key;
 727     routing_component_t elem;
 728     xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
 729       _finalize(elem);
 730     }
 731     xbt_dict_t tmp_sons = rc->routing_sons;
 732     char *tmp_name = rc->name;
 733     xbt_dict_free(&tmp_sons);
 734     xbt_free(tmp_name);
 735     xbt_assert(rc->finalize, "no defined method \"finalize\" in \"%s\"",
 736         current_routing->name);
 737     (*(rc->finalize)) (rc);
 738   }
 739 }
 740
 741 /**
 742  * \brief Generic method: delete all the routing structures
 743  *
 744  * walk through the routing components tree and delete the structures
 745  * by calling the differents "finalize" functions in each routing component
 746  */
 747 static void finalize(void)
 748 {
 749   /* delete recursively all the tree */
 750   _finalize(global_routing->root);
 751   /* delete last_route */
 752   xbt_dynar_free(&(global_routing->last_route));
 753   /* delete global routing structure */
 754   xbt_free(global_routing);
 755   /* make sure that we will reinit the models while loading the platf once reinited -- HACK but there is no proper surf_routing_init() */
 756   surf_parse_models_setup_already_called = 0;
 757 }
 758
 759 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
 760 {
 761   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
 762
 763   //adding my one link routes
 764   unsigned int cpt;
 765   void *link;
 766   xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
 767   if (onelink_mine) {
 768     xbt_dynar_foreach(onelink_mine, cpt, link) {
 769       xbt_dynar_push(ret, &link);
 770     }
 771   }
 772   //recursing
 773   char *key;
 774   xbt_dict_cursor_t cursor = NULL;
 775   routing_component_t rc_child;
 776   xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
 777     xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
 778     if (onelink_child) {
 779       xbt_dynar_foreach(onelink_child, cpt, link) {
 780         xbt_dynar_push(ret, &link);
 781       }
 782     }
 783   }
 784   return ret;
 785 }
 786
 787 static xbt_dynar_t get_onelink_routes(void)
 788 {
 789   return recursive_get_onelink_routes(global_routing->root);
 790 }
 791
 792 e_surf_network_element_type_t get_network_element_type(const char
 793     *name)
 794 {
 795   network_element_info_t rc = NULL;
 796
 797   rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
 798   if(rc) return rc->rc_type;
 799
 800   rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
 801   if(rc) return rc->rc_type;
 802
 803   return SURF_NETWORK_ELEMENT_NULL;
 804 }
 805
 806 /**
 807  * \brief Generic method: create the global routing schema
 808  *
 809  * Make a global routing structure and set all the parsing functions.
 810  */
 811 void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_t get_link_latency_fun)
 812 {
 813   /* config the uniq global routing */
 814   global_routing = xbt_new0(s_routing_global_t, 1);
 815   global_routing->root = NULL;
 816   global_routing->get_route = get_route;
 817   global_routing->get_route_or_null = get_route_or_null;
 818   global_routing->get_latency = get_latency;
 819   global_routing->get_route_no_cleanup = get_route_no_cleanup;
 820   global_routing->get_onelink_routes = get_onelink_routes;
 821   global_routing->get_route_latency = get_route_latency;
 822   global_routing->get_network_element_type = get_network_element_type;
 823   global_routing->finalize = finalize;
 824   global_routing->loopback = loopback;
 825   global_routing->size_of_link = size_of_links;
 826   global_routing->last_route = NULL;
 827   get_link_latency = get_link_latency_fun;
 828   /* no current routing at moment */
 829   current_routing = NULL;
 830 }
 831
 832
 833 /* ************************************************** */
 834 /* ********** PATERN FOR NEW ROUTING **************** */
 835
 836 /* The minimal configuration of a new routing model need the next functions,
 837  * also you need to set at the start of the file, the new model in the model
 838  * list. Remember keep the null ending of the list.
 839  */
 840 /*** Routing model structure ***/
 841 // typedef struct {
 842 //   s_routing_component_t generic_routing;
 843 //   /* things that your routing model need */
 844 // } s_routing_component_NEW_t,*routing_component_NEW_t;
 845
 846 /*** Parse routing model functions ***/
 847 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
 848 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
 849 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
 850 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
 851 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
 852
 853 /*** Business methods ***/
 854 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
 855 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
 856 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
 857
 858 /*** Creation routing model functions ***/
 859 // static void* model_NEW_create(void) {
 860 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
 861 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
 862 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
 863 //   new_component->generic_routing.set_route = model_NEW_set_route;
 864 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
 865 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
 866 //   new_component->generic_routing.get_route = NEW_get_route;
 867 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
 868 //   new_component->generic_routing.finalize = NEW_finalize;
 869 //   /* initialization of internal structures */
 870 //   return new_component;
 871 // } /* mandatory */
 872 // static void  model_NEW_load(void) {}   /* mandatory */
 873 // static void  model_NEW_unload(void) {} /* mandatory */
 874 // static void  model_NEW_end(void) {}    /* mandatory */
 875
 876 /* ************************************************************************** */
 877 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
 878
 879 void generic_set_processing_unit(routing_component_t rc,
 880     const char *name)
 881 {
 882   XBT_DEBUG("Load process unit \"%s\"", name);
 883   int *id = xbt_new0(int, 1);
 884   xbt_dict_t _to_index;
 885   _to_index = current_routing->to_index;
 886   *id = xbt_dict_length(_to_index);
 887   xbt_dict_set(_to_index, name, id, xbt_free);
 888 }
 889
 890 void generic_set_autonomous_system(routing_component_t rc,
 891     const char *name)
 892 {
 893   XBT_DEBUG("Load Autonomous system \"%s\"", name);
 894   int *id = xbt_new0(int, 1);
 895   xbt_dict_t _to_index;
 896   _to_index = current_routing->to_index;
 897   *id = xbt_dict_length(_to_index);
 898   xbt_dict_set(_to_index, name, id, xbt_free);
 899 }
 900
 901 int surf_pointer_resource_cmp(const void *a, const void *b)
 902 {
 903   return a != b;
 904 }
 905
 906 int surf_link_resource_cmp(const void *a, const void *b)
 907 {
 908   return !!memcmp(a,b,global_routing->size_of_link);
 909 }
 910
 911 void generic_set_bypassroute(routing_component_t rc,
 912     const char *src, const char *dst,
 913     route_extended_t e_route)
 914 {
 915   XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
 916   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
 917   char *route_name;
 918
 919   route_name = bprintf("%s#%s", src, dst);
 920   xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
 921       "Invalid count of links, must be greater than zero (%s,%s)",
 922       src, dst);
 923   xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
 924       "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
 925       src, e_route->src_gateway, dst, e_route->dst_gateway);
 926
 927   route_extended_t new_e_route =
 928       generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
 929   xbt_dynar_free(&(e_route->generic_route.link_list));
 930   xbt_free(e_route);
 931
 932   xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
 933       (void (*)(void *)) generic_free_extended_route);
 934   xbt_free(route_name);
 935 }
 936
 937 /* ************************************************************************** */
 938 /* *********************** GENERIC BUSINESS METHODS ************************* */
 939
 940 double generic_get_link_latency(routing_component_t rc,
 941     const char *src, const char *dst,
 942     route_extended_t route)
 943 {
 944   int need_to_clean = route?0:1;
 945   void * link;
 946   unsigned int i;
 947   double latency = 0.0;
 948
 949   route = route?route:rc->get_route(rc,src,dst);
 950
 951   xbt_dynar_foreach(route->generic_route.link_list,i,link) {
 952     latency += get_link_latency(link);
 953   }
 954   if(need_to_clean) generic_free_extended_route(route);
 955   return latency;
 956 }
 957
 958 xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
 959 {
 960   xbt_die("\"generic_get_onelink_routes\" not implemented yet");
 961 }
 962
 963 route_extended_t generic_get_bypassroute(routing_component_t rc,
 964     const char *src,
 965     const char *dst)
 966 {
 967   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
 968   routing_component_t src_as, dst_as;
 969   int index_src, index_dst;
 970   xbt_dynar_t path_src = NULL;
 971   xbt_dynar_t path_dst = NULL;
 972   routing_component_t current = NULL;
 973   routing_component_t *current_src = NULL;
 974   routing_component_t *current_dst = NULL;
 975
 976   /* (1) find the as where the src and dst are located */
 977   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
 978   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
 979   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
 980   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
 981
 982   if(src_data == NULL || dst_data == NULL)
 983     xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
 984         src, dst, rc->name);
 985
 986   src_as = ((network_element_info_t)src_data)->rc_component;
 987   dst_as = ((network_element_info_t)dst_data)->rc_component;
 988
 989   /* (2) find the path to the root routing component */
 990   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
 991   current = src_as;
 992   while (current != NULL) {
 993     xbt_dynar_push(path_src, &current);
 994     current = current->routing_father;
 995   }
 996   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
 997   current = dst_as;
 998   while (current != NULL) {
 999     xbt_dynar_push(path_dst, &current);
1000     current = current->routing_father;
1001   }
1002
1003   /* (3) find the common father */
1004   index_src = path_src->used - 1;
1005   index_dst = path_dst->used - 1;
1006   current_src = xbt_dynar_get_ptr(path_src, index_src);
1007   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1008   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
1009     xbt_dynar_pop_ptr(path_src);
1010     xbt_dynar_pop_ptr(path_dst);
1011     index_src--;
1012     index_dst--;
1013     current_src = xbt_dynar_get_ptr(path_src, index_src);
1014     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1015   }
1016
1017   int max_index_src = path_src->used - 1;
1018   int max_index_dst = path_dst->used - 1;
1019
1020   int max_index = max(max_index_src, max_index_dst);
1021   int i, max;
1022
1023   route_extended_t e_route_bypass = NULL;
1024
1025   for (max = 0; max <= max_index; max++) {
1026     for (i = 0; i < max; i++) {
1027       if (i <= max_index_src && max <= max_index_dst) {
1028         char *route_name = bprintf("%s#%s",
1029             (*(routing_component_t *)
1030                 (xbt_dynar_get_ptr
1031                     (path_src, i)))->name,
1032                     (*(routing_component_t *)
1033                         (xbt_dynar_get_ptr
1034                             (path_dst, max)))->name);
1035         e_route_bypass =
1036             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1037         xbt_free(route_name);
1038       }
1039       if (e_route_bypass)
1040         break;
1041       if (max <= max_index_src && i <= max_index_dst) {
1042         char *route_name = bprintf("%s#%s",
1043             (*(routing_component_t *)
1044                 (xbt_dynar_get_ptr
1045                     (path_src, max)))->name,
1046                     (*(routing_component_t *)
1047                         (xbt_dynar_get_ptr
1048                             (path_dst, i)))->name);
1049         e_route_bypass =
1050             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1051         xbt_free(route_name);
1052       }
1053       if (e_route_bypass)
1054         break;
1055     }
1056
1057     if (e_route_bypass)
1058       break;
1059
1060     if (max <= max_index_src && max <= max_index_dst) {
1061       char *route_name = bprintf("%s#%s",
1062           (*(routing_component_t *)
1063               (xbt_dynar_get_ptr
1064                   (path_src, max)))->name,
1065                   (*(routing_component_t *)
1066                       (xbt_dynar_get_ptr
1067                           (path_dst, max)))->name);
1068       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1069       xbt_free(route_name);
1070     }
1071     if (e_route_bypass)
1072       break;
1073   }
1074
1075   xbt_dynar_free(&path_src);
1076   xbt_dynar_free(&path_dst);
1077
1078   route_extended_t new_e_route = NULL;
1079
1080   if (e_route_bypass) {
1081     void *link;
1082     unsigned int cpt = 0;
1083     new_e_route = xbt_new0(s_route_extended_t, 1);
1084     new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
1085     new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
1086     new_e_route->generic_route.link_list =
1087         xbt_dynar_new(global_routing->size_of_link, NULL);
1088     xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
1089       xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1090     }
1091   }
1092
1093   return new_e_route;
1094 }
1095
1096 /* ************************************************************************** */
1097 /* ************************* GENERIC AUX FUNCTIONS ************************** */
1098
1099 route_t
1100 generic_new_route(e_surf_routing_hierarchy_t hierarchy,
1101     void *data, int order)
1102 {
1103
1104   char *link_name;
1105   route_t new_route;
1106   unsigned int cpt;
1107   xbt_dynar_t links = NULL, links_id = NULL;
1108
1109   new_route = xbt_new0(s_route_t, 1);
1110   new_route->link_list =
1111       xbt_dynar_new(global_routing->size_of_link, NULL);
1112
1113   xbt_assert(hierarchy == SURF_ROUTING_BASE,
1114       "the hierarchy type is not SURF_ROUTING_BASE");
1115
1116   links = ((route_t) data)->link_list;
1117
1118
1119   links_id = new_route->link_list;
1120
1121   xbt_dynar_foreach(links, cpt, link_name) {
1122
1123     void *link =
1124         xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1125     if (link) {
1126       if (order)
1127         xbt_dynar_push(links_id, &link);
1128       else
1129         xbt_dynar_unshift(links_id, &link);
1130     } else
1131       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1132   }
1133
1134   return new_route;
1135 }
1136
1137 route_extended_t
1138 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
1139     void *data, int order)
1140 {
1141
1142   char *link_name;
1143   route_extended_t e_route, new_e_route;
1144   route_t route;
1145   unsigned int cpt;
1146   xbt_dynar_t links = NULL, links_id = NULL;
1147
1148   new_e_route = xbt_new0(s_route_extended_t, 1);
1149   new_e_route->generic_route.link_list =
1150       xbt_dynar_new(global_routing->size_of_link, NULL);
1151   new_e_route->src_gateway = NULL;
1152   new_e_route->dst_gateway = NULL;
1153
1154   xbt_assert(hierarchy == SURF_ROUTING_BASE
1155       || hierarchy == SURF_ROUTING_RECURSIVE,
1156       "the hierarchy type is not defined");
1157
1158   if (hierarchy == SURF_ROUTING_BASE) {
1159
1160     route = (route_t) data;
1161     links = route->link_list;
1162
1163   } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
1164
1165     e_route = (route_extended_t) data;
1166     xbt_assert(e_route->src_gateway
1167         && e_route->dst_gateway, "bad gateway, is null");
1168     links = e_route->generic_route.link_list;
1169
1170     /* remeber not erase the gateway names */
1171     new_e_route->src_gateway = strdup(e_route->src_gateway);
1172     new_e_route->dst_gateway = strdup(e_route->dst_gateway);
1173   }
1174
1175   links_id = new_e_route->generic_route.link_list;
1176
1177   xbt_dynar_foreach(links, cpt, link_name) {
1178
1179     void *link =
1180         xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1181     if (link) {
1182       if (order)
1183         xbt_dynar_push(links_id, &link);
1184       else
1185         xbt_dynar_unshift(links_id, &link);
1186     } else
1187       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1188   }
1189
1190   return new_e_route;
1191 }
1192
1193 void generic_free_route(route_t route)
1194 {
1195   if (route) {
1196     xbt_dynar_free(&(route->link_list));
1197     xbt_free(route);
1198   }
1199 }
1200
1201 void generic_free_extended_route(route_extended_t e_route)
1202 {
1203   if (e_route) {
1204     xbt_dynar_free(&(e_route->generic_route.link_list));
1205     if (e_route->src_gateway)
1206       xbt_free(e_route->src_gateway);
1207     if (e_route->dst_gateway)
1208       xbt_free(e_route->dst_gateway);
1209     xbt_free(e_route);
1210   }
1211 }
1212
1213 static routing_component_t generic_as_exist(routing_component_t find_from,
1214     routing_component_t to_find)
1215 {
1216   //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1217   xbt_dict_cursor_t cursor = NULL;
1218   char *key;
1219   int found = 0;
1220   routing_component_t elem;
1221   xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
1222     if (to_find == elem || generic_as_exist(elem, to_find)) {
1223       found = 1;
1224       break;
1225     }
1226   }
1227   if (found)
1228     return to_find;
1229   return NULL;
1230 }
1231
1232 routing_component_t
1233 generic_autonomous_system_exist(routing_component_t rc, char *element)
1234 {
1235   //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1236   routing_component_t element_as, result, elem;
1237   xbt_dict_cursor_t cursor = NULL;
1238   char *key;
1239   element_as = ((network_element_info_t)
1240       xbt_lib_get_or_null(as_router_lib, element, ROUTING_ASR_LEVEL))->rc_component;
1241   result = ((routing_component_t) - 1);
1242   if (element_as != rc)
1243     result = generic_as_exist(rc, element_as);
1244
1245   int found = 0;
1246   if (result) {
1247     xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
1248       found = !strcmp(elem->name, element);
1249       if (found)
1250         break;
1251     }
1252     if (found)
1253       return element_as;
1254   }
1255   return NULL;
1256 }
1257
1258 routing_component_t
1259 generic_processing_units_exist(routing_component_t rc, char *element)
1260 {
1261   routing_component_t element_as;
1262   element_as = ((network_element_info_t)
1263       xbt_lib_get_or_null(host_lib,
1264           element, ROUTING_HOST_LEVEL))->rc_component;
1265   if (element_as == rc)
1266     return element_as;
1267   return generic_as_exist(rc, element_as);
1268 }
1269
1270 void generic_src_dst_check(routing_component_t rc, const char *src,
1271     const char *dst)
1272 {
1273
1274   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1275   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1276   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1277   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1278
1279   if(src_data == NULL || dst_data == NULL)
1280     xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1281         src, dst, rc->name);
1282
1283   routing_component_t src_as = ((network_element_info_t)src_data)->rc_component;
1284   routing_component_t dst_as = ((network_element_info_t)dst_data)->rc_component;
1285
1286   if(src_as != dst_as)
1287     xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
1288         src, src_as->name, dst, dst_as->name);
1289   if(rc != dst_as)
1290     xbt_die("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
1291         src,dst,src_as->name, dst_as->name,rc->name);
1292 }
1293
1294 static void routing_parse_cluster(void) {
1295   char *host_id, *groups, *link_id = NULL;
1296
1297   s_sg_platf_host_cbarg_t host;
1298   s_sg_platf_link_cbarg_t link;
1299
1300   if( strcmp(struct_cluster->availability_trace,"")
1301       || strcmp(struct_cluster->state_trace,"") )
1302   {
1303     if(xbt_dict_size(patterns)==0)
1304       patterns = xbt_dict_new();
1305     xbt_dict_set(patterns,"id",xbt_strdup(struct_cluster->id),free);
1306     xbt_dict_set(patterns,"prefix",xbt_strdup(struct_cluster->prefix),free);
1307     xbt_dict_set(patterns,"suffix",xbt_strdup(struct_cluster->suffix),free);
1308   }
1309
1310   unsigned int iter;
1311   int start, end, i;
1312   xbt_dynar_t radical_elements;
1313   xbt_dynar_t radical_ends;
1314
1315   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", struct_cluster->id);
1316   sg_platf_new_AS_open(struct_cluster->id,"Cluster");
1317
1318   //Make all hosts
1319   radical_elements = xbt_str_split(struct_cluster->radical, ",");
1320   xbt_dynar_foreach(radical_elements, iter, groups) {
1321     memset(&host,0,sizeof(host));
1322
1323     radical_ends = xbt_str_split(groups, "-");
1324     switch (xbt_dynar_length(radical_ends)) {
1325     case 1:
1326       start=surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1327       host_id = bprintf("%s%d%s", struct_cluster->prefix, start, struct_cluster->suffix);
1328       link_id = bprintf("%s_link_%d", struct_cluster->id, start);
1329
1330       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, struct_cluster->power);
1331       host.id = host_id;
1332       if(strcmp(struct_cluster->availability_trace,"")){
1333         xbt_dict_set(patterns, "radical", bprintf("%d", start), xbt_free);
1334         char* tmp_availability_file = xbt_strdup(struct_cluster->availability_trace);
1335         xbt_str_varsubst(tmp_availability_file,patterns);
1336         XBT_DEBUG("\tavailability_file=\"%s\"",tmp_availability_file);
1337         host.power_trace = tmgr_trace_new(tmp_availability_file);
1338         xbt_free(tmp_availability_file);
1339       }
1340       else
1341       {
1342         XBT_DEBUG("\tavailability_file=\"\"");
1343       }
1344       if(strcmp(struct_cluster->state_trace,"")){
1345         char *tmp_state_file = xbt_strdup(struct_cluster->state_trace);
1346         xbt_str_varsubst(tmp_state_file,patterns);
1347         XBT_DEBUG("\tstate_file=\"%s\"",tmp_state_file);
1348         host.state_trace = tmgr_trace_new(tmp_state_file);
1349         xbt_free(tmp_state_file);
1350       }
1351       else
1352       {
1353         XBT_DEBUG("\tstate_file=\"\"");
1354       }
1355
1356       host.power_peak = struct_cluster->power;
1357       host.power_scale = 1.0;
1358       host.core_amount = struct_cluster->core_amount;
1359       host.initial_state = SURF_RESOURCE_ON;
1360       host.coord = "";
1361       sg_platf_new_host(&host);
1362       XBT_DEBUG("</host>");
1363
1364
1365       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,struct_cluster->bw, struct_cluster->lat);
1366
1367       memset(&link,0,sizeof(link));
1368       link.id = link_id;
1369       link.bandwidth = struct_cluster->bw;
1370       link.latency = struct_cluster->lat;
1371       link.state = SURF_RESOURCE_ON;
1372
1373       switch (struct_cluster->sharing_policy) {
1374       case A_surfxml_cluster_sharing_policy_FATPIPE:
1375         link.policy = SURF_LINK_FATPIPE;
1376         break;
1377       case A_surfxml_cluster_sharing_policy_FULLDUPLEX:
1378         link.policy = SURF_LINK_FULLDUPLEX;
1379         break;
1380       default:
1381         link.policy = SURF_LINK_SHARED;
1382       }
1383
1384       sg_platf_new_link(&link);
1385
1386       surf_parsing_link_up_down_t info = xbt_new0(s_surf_parsing_link_up_down_t, 1);
1387       if (struct_cluster->sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX){
1388         char* tmp_link =  bprintf("%s_UP",link_id);
1389         info->link_up   = xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1390         free(tmp_link);
1391         tmp_link =  bprintf("%s_DOWN",link_id);
1392         info->link_down = xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1393         free(tmp_link);
1394       }
1395       else{
1396         info->link_up   = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
1397         info->link_down = info->link_up;
1398       }
1399       surf_routing_cluster_add_link(host_id,info);
1400       xbt_free(link_id);
1401       xbt_free(host_id);
1402
1403       break;
1404
1405       case 2:
1406
1407         start=surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1408         end=  surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1409         for (i = start; i <= end; i++) {
1410           host_id = bprintf("%s%d%s", struct_cluster->prefix, i, struct_cluster->suffix);
1411           link_id = bprintf("%s_link_%d", struct_cluster->id, i);
1412
1413           XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, struct_cluster->power);
1414           host.id = host_id;
1415           if(strcmp(struct_cluster->availability_trace,"")){
1416             xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
1417             char* tmp_availability_file = xbt_strdup(struct_cluster->availability_trace);
1418             xbt_str_varsubst(tmp_availability_file,patterns);
1419             XBT_DEBUG("\tavailability_file=\"%s\"",tmp_availability_file);
1420             host.power_trace = tmgr_trace_new(tmp_availability_file);
1421             xbt_free(tmp_availability_file);
1422           }
1423           else
1424           {
1425             XBT_DEBUG("\tavailability_file=\"\"");
1426           }
1427           if(strcmp(struct_cluster->state_trace,"")){
1428             char *tmp_state_file = xbt_strdup(struct_cluster->state_trace);
1429             xbt_str_varsubst(tmp_state_file,patterns);
1430             XBT_DEBUG("\tstate_file=\"%s\"",tmp_state_file);
1431             host.state_trace = tmgr_trace_new(tmp_state_file);
1432             xbt_free(tmp_state_file);
1433           }
1434           else
1435           {
1436             XBT_DEBUG("\tstate_file=\"\"");
1437           }
1438
1439           host.power_peak = struct_cluster->power;
1440           host.power_scale = 1.0;
1441           host.core_amount = struct_cluster->core_amount;
1442           host.initial_state = SURF_RESOURCE_ON;
1443           host.coord = "";
1444           sg_platf_new_host(&host);
1445           XBT_DEBUG("</host>");
1446
1447           XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,struct_cluster->bw, struct_cluster->lat);
1448
1449           memset(&link,0,sizeof(link));
1450           link.id = link_id;
1451           link.bandwidth = struct_cluster->bw;
1452           link.latency = struct_cluster->lat;
1453           link.state = SURF_RESOURCE_ON;
1454
1455           switch (struct_cluster->sharing_policy) {
1456           case A_surfxml_cluster_sharing_policy_SHARED:
1457             link.policy = SURF_LINK_SHARED;
1458             break;
1459           case A_surfxml_cluster_sharing_policy_FULLDUPLEX:
1460             link.policy = SURF_LINK_FULLDUPLEX;
1461             break;
1462           case A_surfxml_cluster_sharing_policy_FATPIPE:
1463             link.policy = SURF_LINK_FATPIPE;
1464             break;
1465           default:
1466             surf_parse_error(bprintf("Invalid cluster sharing policy for cluster %s",struct_cluster->id));
1467           }
1468           sg_platf_new_link(&link);
1469
1470           surf_parsing_link_up_down_t info = xbt_new0(s_surf_parsing_link_up_down_t, 1);
1471           if (link.policy == SURF_LINK_FULLDUPLEX) {
1472             char* tmp_link =  bprintf("%s_UP",link_id);
1473             info->link_up   = xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1474             free(tmp_link);
1475             tmp_link =  bprintf("%s_DOWN",link_id);
1476             info->link_down = xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
1477             free(tmp_link);
1478           }
1479           else{
1480             info->link_up   = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
1481             info->link_down = info->link_up;
1482           }
1483           surf_routing_cluster_add_link(host_id,info);
1484
1485           xbt_free(link_id);
1486           xbt_free(host_id);
1487
1488         }
1489         break;
1490
1491       default:
1492         XBT_DEBUG("Malformed radical");
1493         break;
1494     }
1495
1496     xbt_dynar_free(&radical_ends);
1497   }
1498   xbt_dynar_free(&radical_elements);
1499
1500   // 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
1501   XBT_DEBUG(" ");
1502   XBT_DEBUG("<router id=\"%s\"/>", struct_cluster->router_id);
1503   s_sg_platf_router_cbarg_t router;
1504   char *newid=NULL;
1505   memset(&router,0,sizeof(router));
1506   router.id = struct_cluster->router_id;
1507   router.coord = "";
1508   if (!router.id || !strcmp(router.id,""))
1509     router.id = newid = bprintf("%s%s_router%s", struct_cluster->prefix, struct_cluster->id, struct_cluster->suffix);
1510   sg_platf_new_router(&router);
1511   if (newid)
1512     free(newid);
1513
1514   //Make the backbone
1515   if( (struct_cluster->bb_bw!= 0)  && (struct_cluster->bb_lat!=0)  ){
1516     char *link_backbone = bprintf("%s_backbone", struct_cluster->id);
1517     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,struct_cluster->bb_bw, struct_cluster->bb_lat);
1518
1519     memset(&link,0,sizeof(link));
1520     link.id = link_backbone;
1521     link.bandwidth = struct_cluster->bb_bw;
1522     link.latency = struct_cluster->bb_lat;
1523     link.state = SURF_RESOURCE_ON;
1524
1525     switch (struct_cluster->bb_sharing_policy) {
1526     case A_surfxml_cluster_bb_sharing_policy_FATPIPE:
1527       link.policy = SURF_LINK_FATPIPE;
1528       break;
1529     case A_surfxml_cluster_bb_sharing_policy_SHARED:
1530       link.policy = SURF_LINK_SHARED;
1531       break;
1532     default:
1533       surf_parse_error(bprintf("Invalid bb sharing policy in cluster %s",struct_cluster->id));
1534     }
1535
1536     sg_platf_new_link(&link);
1537
1538     surf_parsing_link_up_down_t info = xbt_new0(s_surf_parsing_link_up_down_t, 1);
1539     info->link_up   = xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL);
1540     info->link_down = info->link_up;
1541     surf_routing_cluster_add_link(struct_cluster->id, info);
1542
1543     free(link_backbone);
1544   }
1545
1546   XBT_DEBUG(" ");
1547
1548   char *new_suffix = xbt_strdup("");
1549
1550   radical_elements = xbt_str_split(struct_cluster->suffix, ".");
1551   xbt_dynar_foreach(radical_elements, iter, groups) {
1552     if (strcmp(groups, "")) {
1553       char *old_suffix = new_suffix;
1554       new_suffix = bprintf("%s\\.%s", old_suffix, groups);
1555       free(old_suffix);
1556     }
1557   }
1558
1559   xbt_dynar_free(&radical_elements);
1560   xbt_free(new_suffix);
1561
1562   if( strcmp(struct_cluster->availability_trace,"")
1563       || strcmp(struct_cluster->state_trace,"") )
1564     xbt_dict_free(&patterns);
1565
1566   XBT_DEBUG("</AS>");
1567   sg_platf_new_AS_close();
1568   XBT_DEBUG(" ");
1569 }
1570 /*
1571  * This function take a string and replace parameters from patterns dict.
1572  * It returns the new value.
1573  */
1574 static char* replace_random_parameter(char * string)
1575                                         {
1576   char *test_string = NULL;
1577
1578   if(xbt_dict_size(random_value)==0)
1579     return string;
1580
1581   string = xbt_str_varsubst(string, patterns); // for patterns of cluster
1582   test_string = bprintf("${%s}", string);
1583   test_string = xbt_str_varsubst(test_string,random_value); //Add ${xxxxx} for random Generator
1584
1585   if (strcmp(test_string,"")) { //if not empty, keep this value.
1586     xbt_free(string);
1587     string = test_string;
1588   } //In other case take old value (without ${})
1589   else
1590     free(test_string);
1591   return string;
1592                                         }
1593
1594 static void routing_parse_postparse(void)
1595 {
1596   xbt_dict_free(&random_value);
1597   xbt_dict_free(&patterns);
1598 }
1599
1600 static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
1601 {
1602   static int AX_ptr = 0;
1603   char *host_id = NULL;
1604   char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
1605
1606   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1607   static unsigned int surfxml_buffer_stack_stack[1024];
1608
1609   surfxml_buffer_stack_stack[0] = 0;
1610
1611   surfxml_bufferstack_push(1);
1612
1613   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer->id);
1614   sg_platf_new_AS_open(peer->id, "Full");
1615
1616   XBT_DEBUG(" ");
1617   host_id = HOST_PEER(peer->id);
1618   router_id = ROUTER_PEER(peer->id);
1619   link_id_up = LINK_UP_PEER(peer->id);
1620   link_id_down = LINK_DOWN_PEER(peer->id);
1621
1622   link_router = bprintf("%s_link_router", peer->id);
1623   link_backbone = bprintf("%s_backbone", peer->id);
1624
1625   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
1626   s_sg_platf_host_cbarg_t host;
1627   memset(&host,0,sizeof(host));
1628   host.initial_state = SURF_RESOURCE_ON;
1629   host.id = host_id;
1630   host.power_peak = peer->power;
1631   host.power_scale = 1.0;
1632   host.power_trace = peer->availability_trace;
1633   host.state_trace = peer->state_trace;
1634   host.core_amount = 1;
1635   sg_platf_new_host(&host);
1636
1637
1638   XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer->coord);
1639   s_sg_platf_router_cbarg_t router;
1640   memset(&router,0,sizeof(router));
1641   router.id = router_id;
1642   router.coord = peer->coord;
1643   sg_platf_new_router(&router);
1644
1645   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_up, peer->bw_in, peer->lat);
1646   s_sg_platf_link_cbarg_t link;
1647   memset(&link,0,sizeof(link));
1648   link.state = SURF_RESOURCE_ON;
1649   link.policy = SURF_LINK_SHARED;
1650   link.id = link_id_up;
1651   link.bandwidth = peer->bw_in;
1652   link.latency = peer->lat;
1653   sg_platf_new_link(&link);
1654
1655   // FIXME: dealing with full duplex is not the role of this piece of code, I'd say [Mt]
1656   // Instead, it should be created fullduplex, and the models will do what's needed in this case
1657   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_down, peer->bw_out, peer->lat);
1658   link.id = link_id_down;
1659   sg_platf_new_link(&link);
1660
1661   XBT_DEBUG(" ");
1662
1663   // begin here
1664   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
1665   XBT_DEBUG("symmetrical=\"NO\">");
1666   SURFXML_BUFFER_SET(route_src, host_id);
1667   SURFXML_BUFFER_SET(route_dst, router_id);
1668   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1669   SURFXML_START_TAG(route);
1670
1671   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
1672   SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
1673   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1674   SURFXML_START_TAG(link_ctn);
1675   SURFXML_END_TAG(link_ctn);
1676
1677   XBT_DEBUG("</route>");
1678   SURFXML_END_TAG(route);
1679
1680   //Opposite Route
1681   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
1682   XBT_DEBUG("symmetrical=\"NO\">");
1683   SURFXML_BUFFER_SET(route_src, router_id);
1684   SURFXML_BUFFER_SET(route_dst, host_id);
1685   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1686   SURFXML_START_TAG(route);
1687
1688   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
1689   SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
1690   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1691   SURFXML_START_TAG(link_ctn);
1692   SURFXML_END_TAG(link_ctn);
1693
1694   XBT_DEBUG("</route>");
1695   SURFXML_END_TAG(route);
1696
1697   XBT_DEBUG("</AS>");
1698   sg_platf_new_AS_close();
1699   XBT_DEBUG(" ");
1700
1701   //xbt_dynar_free(&tab_elements_num);
1702   free(host_id);
1703   free(router_id);
1704   free(link_router);
1705   free(link_backbone);
1706   free(link_id_up);
1707   free(link_id_down);
1708   surfxml_bufferstack_pop(1);
1709 }
1710
1711 static void routing_parse_Srandom(void)
1712 {
1713   double mean, std, min, max, seed;
1714   char *random_id = A_surfxml_random_id;
1715   char *random_radical = A_surfxml_random_radical;
1716   char *rd_name = NULL;
1717   char *rd_value;
1718   mean = surf_parse_get_double(A_surfxml_random_mean);
1719   std  = surf_parse_get_double(A_surfxml_random_std_deviation);
1720   min  = surf_parse_get_double(A_surfxml_random_min);
1721   max  = surf_parse_get_double(A_surfxml_random_max);
1722   seed = surf_parse_get_double(A_surfxml_random_seed);
1723
1724   double res = 0;
1725   int i = 0;
1726   random_data_t random = xbt_new0(s_random_data_t, 1);
1727   char *tmpbuf;
1728
1729   xbt_dynar_t radical_elements;
1730   unsigned int iter;
1731   char *groups;
1732   int start, end;
1733   xbt_dynar_t radical_ends;
1734
1735   random->generator = A_surfxml_random_generator;
1736   random->seed = seed;
1737   random->min = min;
1738   random->max = max;
1739
1740   /* Check user stupidities */
1741   if (max < min)
1742     THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1743   if (mean < min)
1744     THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean,
1745         min);
1746   if (mean > max)
1747     THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean,
1748         max);
1749
1750   /* normalize the mean and standard deviation before storing */
1751   random->mean = (mean - min) / (max - min);
1752   random->std = std / (max - min);
1753
1754   if (random->mean * (1 - random->mean) < random->std * random->std)
1755     THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1756         random->mean, random->std);
1757
1758   XBT_DEBUG("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1759       random_id,
1760       random->min,
1761       random->max,
1762       random->mean,
1763       random->std,
1764       random->generator,
1765       random->seed,
1766       random_radical);
1767
1768   if(xbt_dict_size(random_value)==0)
1769     random_value = xbt_dict_new();
1770
1771   if(!strcmp(random_radical,""))
1772   {
1773     res = random_generate(random);
1774     rd_value = bprintf("%f",res);
1775     xbt_dict_set(random_value, random_id, rd_value, free);
1776   }
1777   else
1778   {
1779     radical_elements = xbt_str_split(random_radical, ",");
1780     xbt_dynar_foreach(radical_elements, iter, groups) {
1781       radical_ends = xbt_str_split(groups, "-");
1782       switch (xbt_dynar_length(radical_ends)) {
1783       case 1:
1784         xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",random_id);
1785         res = random_generate(random);
1786         tmpbuf = bprintf("%s%d",random_id,atoi(xbt_dynar_getfirst_as(radical_ends,char *)));
1787         xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
1788         xbt_free(tmpbuf);
1789         break;
1790
1791       case 2:
1792         start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1793         end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1794         for (i = start; i <= end; i++) {
1795           xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",bprintf("%s%d",random_id,i));
1796           res = random_generate(random);
1797           tmpbuf = bprintf("%s%d",random_id,i);
1798           xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
1799           xbt_free(tmpbuf);
1800         }
1801         break;
1802       default:
1803         XBT_INFO("Malformed radical");
1804         break;
1805       }
1806       res = random_generate(random);
1807       rd_name  = bprintf("%s_router",random_id);
1808       rd_value = bprintf("%f",res);
1809       xbt_dict_set(random_value, rd_name, rd_value, free);
1810
1811       xbt_dynar_free(&radical_ends);
1812     }
1813     free(rd_name);
1814     xbt_dynar_free(&radical_elements);
1815   }
1816 }
1817
1818 void routing_register_callbacks() {
1819   sg_platf_host_add_cb(parse_S_host);
1820   sg_platf_router_add_cb(parse_S_router);
1821
1822   surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
1823
1824   surfxml_add_callback(STag_surfxml_route_cb_list,      &routing_parse_S_route);
1825   surfxml_add_callback(STag_surfxml_ASroute_cb_list,    &routing_parse_S_ASroute);
1826   surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,&routing_parse_S_bypassRoute);
1827
1828   surfxml_add_callback(ETag_surfxml_link_ctn_cb_list, &routing_parse_link_ctn);
1829
1830   surfxml_add_callback(ETag_surfxml_route_cb_list,      &routing_parse_E_route);
1831   surfxml_add_callback(ETag_surfxml_ASroute_cb_list,    &routing_parse_E_ASroute);
1832   surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,&routing_parse_E_bypassRoute);
1833
1834   surfxml_add_callback(STag_surfxml_cluster_cb_list,
1835       &routing_parse_cluster);
1836
1837   sg_platf_peer_add_cb(routing_parse_peer);
1838   sg_platf_postparse_add_cb(routing_parse_postparse);
1839
1840 #ifdef HAVE_TRACING
1841   instr_routing_define_callbacks();
1842 #endif
1843 }