src/surf/surf_routing.c

   1 /* Copyright (c) 2009, 2010. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #ifdef HAVE_PCRE_LIB
   8 #include <pcre.h>               /* regular expression library */
   9 #endif
  10 #include "surf_routing_private.h"
  11 #include "surf/surf_routing.h"
  12
  13 xbt_lib_t host_lib;
  14 int ROUTING_HOST_LEVEL; //Routing level
  15 int     SURF_CPU_LEVEL;         //Surf cpu level
  16 int SURF_WKS_LEVEL;             //Surf workstation level
  17 int SIMIX_HOST_LEVEL;   //Simix level
  18 int     MSG_HOST_LEVEL;         //Msg level
  19 int     SD_HOST_LEVEL;          //Simdag level
  20 int     COORD_HOST_LEVEL;       //Coordinates level
  21 int NS3_HOST_LEVEL;             //host node for ns3
  22
  23 xbt_lib_t link_lib;
  24 int SD_LINK_LEVEL;              //Simdag level
  25 int SURF_LINK_LEVEL;    //Surf level
  26 int NS3_LINK_LEVEL;             //link for ns3
  27
  28 xbt_lib_t as_router_lib;
  29 int ROUTING_ASR_LEVEL;  //Routing level
  30 int COORD_ASR_LEVEL;    //Coordinates level
  31 int NS3_ASR_LEVEL;              //host node for ns3
  32
  33 static xbt_dict_t patterns = NULL;
  34 static xbt_dict_t random_value = NULL;
  35
  36 /* Global vars */
  37 routing_global_t global_routing = NULL;
  38 routing_component_t current_routing = NULL;
  39 model_type_t current_routing_model = NULL;
  40
  41 /* global parse functions */
  42 xbt_dynar_t link_list = NULL;    /* temporary store of current list link of a route */
  43 static const char *src = NULL;        /* temporary store the source name of a route */
  44 static const char *dst = NULL;        /* temporary store the destination name of a route */
  45 static char *gw_src = NULL;     /* temporary store the gateway source name of a route */
  46 static char *gw_dst = NULL;     /* temporary store the gateway destination name of a route */
  47 static double_f_cpvoid_t get_link_latency = NULL;
  48
  49 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
  50
  51 static void routing_parse_Speer(void);          /* peer bypass */
  52 static void routing_parse_Srandom(void);        /* random bypass */
  53 static void routing_parse_Erandom(void);        /* random bypass */
  54
  55 static void routing_parse_Sconfig(void);        /* config Tag */
  56 static void routing_parse_Econfig(void);        /* config Tag */
  57
  58 static char* replace_random_parameter(char * chaine);
  59 static void clean_dict_random(void);
  60
  61 /* this lines are only for replace use like index in the model table */
  62 typedef enum {
  63   SURF_MODEL_FULL = 0,
  64   SURF_MODEL_FLOYD,
  65   SURF_MODEL_DIJKSTRA,
  66   SURF_MODEL_DIJKSTRACACHE,
  67   SURF_MODEL_NONE,
  68 #ifdef HAVE_PCRE_LIB
  69   SURF_MODEL_RULEBASED
  70 #endif
  71 } e_routing_types;
  72
  73 struct s_model_type routing_models[] = { {"Full",
  74                                           "Full routing data (fast, large memory requirements, fully expressive)",
  75                                           model_full_create,
  76                                           model_full_load,
  77                                           model_full_unload,
  78                                           model_full_end},
  79 {"Floyd",
  80  "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
  81  model_floyd_create, model_floyd_load, model_floyd_unload,
  82  model_floyd_end},
  83 {"Dijkstra",
  84  "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
  85  model_dijkstra_create, model_dijkstra_both_load,
  86  model_dijkstra_both_unload, model_dijkstra_both_end},
  87 {"DijkstraCache",
  88  "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
  89  model_dijkstracache_create, model_dijkstra_both_load,
  90  model_dijkstra_both_unload, model_dijkstra_both_end},
  91 {"none", "No routing (usable with Constant network only)",
  92  model_none_create, model_none_load, model_none_unload, model_none_end},
  93 #ifdef HAVE_PCRE_LIB
  94 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
  95  model_rulebased_load, model_rulebased_unload, model_rulebased_end},
  96 {"Vivaldi", "Vivaldi routing", model_rulebased_create,
  97   model_rulebased_load, model_rulebased_unload, model_rulebased_end},
  98 #endif
  99 {NULL, NULL, NULL, NULL, NULL, NULL}
 100 };
 101
 102 static double euclidean_dist_comp(int index, xbt_dynar_t src, xbt_dynar_t dst)
 103 {
 104         double src_coord, dst_coord;
 105
 106         src_coord = atof(xbt_dynar_get_as(src, index, char *));
 107         dst_coord = atof(xbt_dynar_get_as(dst, index, char *));
 108
 109         return (src_coord-dst_coord)*(src_coord-dst_coord);
 110
 111 }
 112
 113 static double base_vivaldi_get_latency (const char *src, const char *dst)
 114 {
 115   double euclidean_dist;
 116   xbt_dynar_t src_ctn, dst_ctn;
 117   src_ctn = xbt_lib_get_or_null(host_lib, src, COORD_HOST_LEVEL);
 118   if(!src_ctn) src_ctn = xbt_lib_get_or_null(as_router_lib, src, COORD_ASR_LEVEL);
 119   dst_ctn = xbt_lib_get_or_null(host_lib, dst, COORD_HOST_LEVEL);
 120   if(!dst_ctn) dst_ctn = xbt_lib_get_or_null(as_router_lib, dst, COORD_ASR_LEVEL);
 121
 122   if(dst_ctn == NULL || src_ctn == NULL)
 123   xbt_die("Coord src '%s' :%p   dst '%s' :%p",src,src_ctn,dst,dst_ctn);
 124
 125   euclidean_dist = sqrt (euclidean_dist_comp(0,src_ctn,dst_ctn)+euclidean_dist_comp(1,src_ctn,dst_ctn))
 126                                  + fabs(atof(xbt_dynar_get_as(src_ctn, 2, char *)))+fabs(atof(xbt_dynar_get_as(dst_ctn, 2, char *)));
 127
 128   xbt_assert(euclidean_dist>=0, "Euclidean Dist is less than 0\"%s\" and \"%.2f\"", src, euclidean_dist);
 129
 130   return euclidean_dist;
 131 }
 132
 133 static double vivaldi_get_link_latency (routing_component_t rc,const char *src, const char *dst, route_extended_t e_route)
 134 {
 135   if(get_network_element_type(src) == SURF_NETWORK_ELEMENT_AS) {
 136           int need_to_clean = e_route?0:1;
 137           double latency;
 138           e_route = e_route?e_route:(*(rc->get_route)) (rc, src, dst);
 139           latency = base_vivaldi_get_latency(e_route->src_gateway,e_route->dst_gateway);
 140           if(need_to_clean) generic_free_extended_route(e_route);
 141           return latency;
 142   } else {
 143           return base_vivaldi_get_latency(src,dst);
 144   }
 145 }
 146
 147 /**
 148  * \brief Add a "host" to the network element list
 149  */
 150 static void parse_S_host(const char *host_id, const char* coord)
 151 {
 152   network_element_info_t info = NULL;
 153   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 154     current_routing->hierarchy = SURF_ROUTING_BASE;
 155   xbt_assert(!xbt_lib_get_or_null(host_lib, host_id,ROUTING_HOST_LEVEL),
 156               "Reading a host, processing unit \"%s\" already exists",
 157               host_id);
 158   xbt_assert(current_routing->set_processing_unit,
 159               "no defined method \"set_processing_unit\" in \"%s\"",
 160               current_routing->name);
 161   (*(current_routing->set_processing_unit)) (current_routing, host_id);
 162   info = xbt_new0(s_network_element_info_t, 1);
 163   info->rc_component = current_routing;
 164   info->rc_type = SURF_NETWORK_ELEMENT_HOST;
 165   xbt_lib_set(host_lib,host_id,ROUTING_HOST_LEVEL,(void *) info);
 166   if (strcmp(coord,"")) {
 167         if(!COORD_HOST_LEVEL) xbt_die("To use coordinates, you must set configuration 'coordinates' to 'yes'");
 168     xbt_dynar_t ctn = xbt_str_split_str(coord, " ");
 169     xbt_dynar_shrink(ctn, 0);
 170     xbt_lib_set(host_lib,host_id,COORD_HOST_LEVEL,(void *) ctn);
 171   }
 172 }
 173
 174 static void parse_E_host(void)
 175 {
 176          xbt_dict_cursor_t cursor = NULL;
 177           char *key;
 178           char *elem;
 179
 180           xbt_dict_foreach(current_property_set, cursor, key, elem) {
 181                   XBT_DEBUG("property : %s = %s",key,elem);
 182                 }
 183 }
 184
 185 /*
 186  * \brief Add a host to the network element list from XML
 187  */
 188 static void parse_S_host_XML(void)
 189 {
 190         parse_S_host(A_surfxml_host_id, A_surfxml_host_coordinates);
 191 }
 192 static void parse_E_host_XML(void)
 193 {
 194         parse_E_host();
 195 }
 196
 197 /*
 198  * \brief Add a host to the network element list from lua script
 199  */
 200 static void parse_S_host_lua(const char *host_id, const char *coord)
 201 {
 202   parse_S_host(host_id, coord);
 203 }
 204
 205
 206 /**
 207  * \brief Add a "router" to the network element list
 208  */
 209 static void parse_S_router(const char *router_id)
 210 {
 211   network_element_info_t info = NULL;
 212
 213   if (current_routing->hierarchy == SURF_ROUTING_NULL)
 214     current_routing->hierarchy = SURF_ROUTING_BASE;
 215   xbt_assert(!xbt_lib_get_or_null(as_router_lib,A_surfxml_router_id, ROUTING_ASR_LEVEL),
 216               "Reading a router, processing unit \"%s\" already exists",
 217               router_id);
 218   xbt_assert(current_routing->set_processing_unit,
 219               "no defined method \"set_processing_unit\" in \"%s\"",
 220               current_routing->name);
 221   (*(current_routing->set_processing_unit)) (current_routing,
 222                                              router_id);
 223   info = xbt_new0(s_network_element_info_t, 1);
 224   info->rc_component = current_routing;
 225   info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
 226
 227   xbt_lib_set(as_router_lib,router_id,ROUTING_ASR_LEVEL,(void *) info);
 228   if (strcmp(A_surfxml_router_coordinates,"")) {
 229         if(!COORD_ASR_LEVEL) xbt_die("To use coordinates, you must set configuration 'coordinates' to 'yes'");
 230     xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_router_coordinates, " ");
 231     xbt_dynar_shrink(ctn, 0);
 232     xbt_lib_set(as_router_lib,router_id,COORD_ASR_LEVEL,(void *) ctn);
 233   }
 234 }
 235
 236 /**
 237  * brief Add a "router" to the network element list from XML description
 238  */
 239 static void parse_S_router_XML(void)
 240 {
 241         return parse_S_router(A_surfxml_router_id);
 242 }
 243
 244 /**
 245  * brief Add a "router" to the network element list from XML description
 246  */
 247 static void parse_S_router_lua(const char* router_id)
 248 {
 249         return parse_S_router(router_id);
 250 }
 251
 252 /**
 253  * \brief Set the endponints for a route
 254  */
 255 static void parse_S_route_new_and_endpoints(const char *src_id, const char *dst_id)
 256 {
 257   if (src != NULL && dst != NULL && link_list != NULL)
 258     THROWF(arg_error, 0, "Route between %s to %s can not be defined",
 259            src_id, dst_id);
 260   src = src_id;
 261   dst = dst_id;
 262   xbt_assert(strlen(src) > 0 || strlen(dst) > 0,
 263               "Some limits are null in the route between \"%s\" and \"%s\"",
 264               src, dst);
 265   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 266 }
 267
 268 /**
 269  * \brief Set the endpoints for a route from XML
 270  */
 271 static void parse_S_route_new_and_endpoints_XML(void)
 272 {
 273   parse_S_route_new_and_endpoints(A_surfxml_route_src,
 274                                   A_surfxml_route_dst);
 275 }
 276
 277 /**
 278  * \brief Set the endpoints for a route from lua
 279  */
 280 static void parse_S_route_new_and_endpoints_lua(const char *id_src, const char *id_dst)
 281 {
 282   parse_S_route_new_and_endpoints(id_src, id_dst);
 283 }
 284
 285 /**
 286  * \brief Set the endponints and gateways for a ASroute
 287  */
 288 static void parse_S_ASroute_new_and_endpoints(void)
 289 {
 290   if (src != NULL && dst != NULL && link_list != NULL)
 291     THROWF(arg_error, 0, "Route between %s to %s can not be defined",
 292            A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
 293   src = A_surfxml_ASroute_src;
 294   dst = A_surfxml_ASroute_dst;
 295   gw_src = A_surfxml_ASroute_gw_src;
 296   gw_dst = A_surfxml_ASroute_gw_dst;
 297   xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 298               || strlen(gw_dst) > 0,
 299               "Some limits are null in the route between \"%s\" and \"%s\"",
 300               src, dst);
 301   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 302 }
 303
 304 /**
 305  * \brief Set the endponints for a bypassRoute
 306  */
 307 static void parse_S_bypassRoute_new_and_endpoints(void)
 308 {
 309   if (src != NULL && dst != NULL && link_list != NULL)
 310     THROWF(arg_error, 0,
 311            "Bypass Route between %s to %s can not be defined",
 312            A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
 313   src = A_surfxml_bypassRoute_src;
 314   dst = A_surfxml_bypassRoute_dst;
 315   gw_src = A_surfxml_bypassRoute_gw_src;
 316   gw_dst = A_surfxml_bypassRoute_gw_dst;
 317   xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
 318               || strlen(gw_dst) > 0,
 319               "Some limits are null in the route between \"%s\" and \"%s\"",
 320               src, dst);
 321   link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 322 }
 323
 324 /**
 325  * \brief Set a new link on the actual list of link for a route or ASroute
 326  */
 327 static void parse_E_link_ctn_new_elem(const char *link_id)
 328 {
 329   char *val;
 330   val = xbt_strdup(link_id);
 331   xbt_dynar_push(link_list, &val);
 332 }
 333
 334 /**
 335  * \brief Set a new link on the actual list of link for a route or ASroute from XML
 336  */
 337
 338 static void parse_E_link_ctn_new_elem_XML(void)
 339 {
 340   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_NONE)
 341     parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
 342   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_UP) {
 343     char *link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
 344     parse_E_link_ctn_new_elem(link_id);
 345     free(link_id);
 346   }
 347   if (A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_DOWN) {
 348     char *link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
 349     parse_E_link_ctn_new_elem(link_id);
 350     free(link_id);
 351   }
 352 }
 353
 354 /**
 355  * \brief Set a new link on the actual list of link for a route or ASroute from lua
 356  */
 357 static void parse_E_link_c_ctn_new_elem_lua(const char *link_id)
 358 {
 359   parse_E_link_ctn_new_elem(link_id);
 360 }
 361
 362 /**
 363  * \brief Store the route by calling the set_route function of the current routing component
 364  */
 365 static void parse_E_route_store_route(void)
 366 {
 367   name_route_extended_t route = xbt_new0(s_name_route_extended_t, 1);
 368   route->generic_route.link_list = link_list;
 369   xbt_assert(current_routing->set_route,
 370               "no defined method \"set_route\" in \"%s\"",
 371               current_routing->name);
 372   (*(current_routing->set_route)) (current_routing, src, dst, route);
 373   link_list = NULL;
 374   src = NULL;
 375   dst = NULL;
 376 }
 377
 378 /**
 379  * \brief Store the ASroute by calling the set_ASroute function of the current routing component
 380  */
 381 static void parse_E_ASroute_store_route(void)
 382 {
 383   name_route_extended_t e_route = xbt_new0(s_name_route_extended_t, 1);
 384   e_route->generic_route.link_list = link_list;
 385   e_route->src_gateway = xbt_strdup(gw_src);
 386   e_route->dst_gateway = xbt_strdup(gw_dst);
 387   xbt_assert(current_routing->set_ASroute,
 388               "no defined method \"set_ASroute\" in \"%s\"",
 389               current_routing->name);
 390   (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
 391   link_list = NULL;
 392   src = NULL;
 393   dst = NULL;
 394   gw_src = NULL;
 395   gw_dst = NULL;
 396 }
 397
 398 /**
 399  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 400  */
 401 static void parse_E_bypassRoute_store_route(void)
 402 {
 403   route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
 404   e_route->generic_route.link_list = link_list;
 405   e_route->src_gateway = xbt_strdup(gw_src);
 406   e_route->dst_gateway = xbt_strdup(gw_dst);
 407   xbt_assert(current_routing->set_bypassroute,
 408               "no defined method \"set_bypassroute\" in \"%s\"",
 409               current_routing->name);
 410   (*(current_routing->set_bypassroute)) (current_routing, src, dst,
 411                                          e_route);
 412   link_list = NULL;
 413   src = NULL;
 414   dst = NULL;
 415   gw_src = NULL;
 416   gw_dst = NULL;
 417 }
 418
 419 /**
 420  * \brief Make a new routing component
 421  *
 422  * make the new structure and
 423  * set the parsing functions to allows parsing the part of the routing tree
 424  */
 425 static void parse_S_AS(char *AS_id, char *AS_routing)
 426 {
 427   routing_component_t new_routing;
 428   model_type_t model = NULL;
 429   char *wanted = AS_routing;
 430   int cpt;
 431   /* seach the routing model */
 432   for (cpt = 0; routing_models[cpt].name; cpt++)
 433     if (!strcmp(wanted, routing_models[cpt].name))
 434       model = &routing_models[cpt];
 435   /* if its not exist, error */
 436   if (model == NULL) {
 437     fprintf(stderr, "Routing model %s not found. Existing models:\n",
 438             wanted);
 439     for (cpt = 0; routing_models[cpt].name; cpt++)
 440       if (!strcmp(wanted, routing_models[cpt].name))
 441         fprintf(stderr, "   %s: %s\n", routing_models[cpt].name,
 442                 routing_models[cpt].desc);
 443     xbt_die(NULL);
 444   }
 445
 446   /* make a new routing component */
 447   new_routing = (routing_component_t) (*(model->create)) ();
 448   new_routing->routing = model;
 449   new_routing->hierarchy = SURF_ROUTING_NULL;
 450   new_routing->name = xbt_strdup(AS_id);
 451   new_routing->routing_sons = xbt_dict_new();
 452
 453   /* Hack for Vivaldi */
 454   if(!strcmp(model->name,"Vivaldi"))
 455         new_routing->get_latency = vivaldi_get_link_latency;
 456
 457   if (current_routing == NULL && global_routing->root == NULL) {
 458
 459     /* it is the first one */
 460     new_routing->routing_father = NULL;
 461     global_routing->root = new_routing;
 462
 463   } else if (current_routing != NULL && global_routing->root != NULL) {
 464
 465     xbt_assert(!xbt_dict_get_or_null
 466                 (current_routing->routing_sons, AS_id),
 467                 "The AS \"%s\" already exists", AS_id);
 468     /* it is a part of the tree */
 469     new_routing->routing_father = current_routing;
 470     /* set the father behavior */
 471     if (current_routing->hierarchy == SURF_ROUTING_NULL)
 472       current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
 473     /* add to the sons dictionary */
 474     xbt_dict_set(current_routing->routing_sons, AS_id,
 475                  (void *) new_routing, NULL);
 476     /* add to the father element list */
 477     (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
 478     /* unload the prev parse rules */
 479     (*(current_routing->routing->unload)) ();
 480
 481   } else {
 482     THROWF(arg_error, 0, "All defined components must be belong to a AS");
 483   }
 484   /* set the new parse rules */
 485   (*(new_routing->routing->load)) ();
 486   /* set the new current component of the tree */
 487   current_routing = new_routing;
 488 }
 489
 490 /*
 491  * Detect the routing model type of the routing component from XML platforms
 492  */
 493 static void parse_S_AS_XML(void)
 494 {
 495   parse_S_AS(A_surfxml_AS_id, A_surfxml_AS_routing);
 496 }
 497
 498 /*
 499  * define the routing model type of routing component from lua script
 500  */
 501 static void parse_S_AS_lua(char *id, char *mode)
 502 {
 503   parse_S_AS(id, mode);
 504 }
 505
 506
 507 /**
 508  * \brief Finish the creation of a new routing component
 509  *
 510  * When you finish to read the routing component, other structures must be created.
 511  * the "end" method allow to do that for any routing model type
 512  */
 513 static void parse_E_AS(const char *AS_id)
 514 {
 515
 516   if (current_routing == NULL) {
 517     THROWF(arg_error, 0, "Close AS(%s), that never open", AS_id);
 518   } else {
 519     network_element_info_t info = NULL;
 520     xbt_assert(!xbt_lib_get_or_null(as_router_lib,current_routing->name, ROUTING_ASR_LEVEL),
 521                 "The AS \"%s\" already exists",current_routing->name);
 522     info = xbt_new0(s_network_element_info_t, 1);
 523     info->rc_component = current_routing->routing_father;
 524     info->rc_type = SURF_NETWORK_ELEMENT_AS;
 525     xbt_lib_set(as_router_lib,current_routing->name,ROUTING_ASR_LEVEL,(void *) info);
 526
 527     (*(current_routing->routing->unload)) ();
 528     (*(current_routing->routing->end)) ();
 529     current_routing = current_routing->routing_father;
 530     if (current_routing != NULL)
 531       (*(current_routing->routing->load)) ();
 532   }
 533 }
 534
 535 /*
 536  * \brief Finish the creation of a new routing component from XML
 537  */
 538 static void parse_E_AS_XML(void)
 539 {
 540   parse_E_AS(A_surfxml_AS_id);
 541 }
 542
 543 /*
 544  * \brief Finish the creation of a new routing component from lua
 545  */
 546 static void parse_E_AS_lua(const char *id)
 547 {
 548   parse_E_AS(id);
 549 }
 550
 551 /* Aux Business methods */
 552
 553 /**
 554  * \brief Get the AS name of the element
 555  *
 556  * \param name the host name
 557  *
 558  */
 559 static char* elements_As_name(const char *name)
 560 {
 561   routing_component_t as_comp;
 562
 563   /* (1) find the as where the host is located */
 564   as_comp = ((network_element_info_t)
 565             xbt_lib_get_or_null(host_lib,name, ROUTING_HOST_LEVEL))->rc_component;
 566   return as_comp->name;
 567 }
 568
 569
 570 /**
 571  * \brief Get the AS father and the first elements of the chain
 572  *
 573  * \param src the source host name
 574  * \param dst the destination host name
 575  *
 576  * Get the common father of the to processing units, and the first different
 577  * father in the chain
 578  */
 579 static void elements_father(const char *src, const char *dst,
 580                             routing_component_t *res_father,
 581                             routing_component_t *res_src,
 582                             routing_component_t *res_dst)
 583 {
 584   xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
 585
 586   routing_component_t src_as, dst_as;
 587   int index_src, index_dst, index_father_src, index_father_dst;
 588   xbt_dynar_t path_src = NULL;
 589   xbt_dynar_t path_dst = NULL;
 590   routing_component_t current = NULL;
 591   routing_component_t *current_src = NULL;
 592   routing_component_t *current_dst = NULL;
 593   routing_component_t *father = NULL;
 594
 595   /* (1) find the as where the src and dst are located */
 596   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
 597   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
 598   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
 599   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
 600   src_as = ((network_element_info_t)src_data)->rc_component;
 601   dst_as = ((network_element_info_t)dst_data)->rc_component;
 602
 603   xbt_assert(src_as
 604               && dst_as,
 605               "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
 606               dst);
 607
 608   /* (2) find the path to the root routing component */
 609   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
 610   current = src_as;
 611   while (current != NULL) {
 612     xbt_dynar_push(path_src, &current);
 613     current = current->routing_father;
 614   }
 615   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
 616   current = dst_as;
 617   while (current != NULL) {
 618     xbt_dynar_push(path_dst, &current);
 619     current = current->routing_father;
 620   }
 621
 622   /* (3) find the common father */
 623   index_src = path_src->used - 1;
 624   index_dst = path_dst->used - 1;
 625   current_src = xbt_dynar_get_ptr(path_src, index_src);
 626   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
 627   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
 628     current_src = xbt_dynar_get_ptr(path_src, index_src);
 629     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
 630     index_src--;
 631     index_dst--;
 632   }
 633   index_src++;
 634   index_dst++;
 635   current_src = xbt_dynar_get_ptr(path_src, index_src);
 636   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
 637
 638   /* (4) they are not in the same routing component, make the path */
 639   index_father_src = index_src + 1;
 640   index_father_dst = index_dst + 1;
 641
 642   if (*current_src == *current_dst)
 643     father = current_src;
 644   else
 645     father = xbt_dynar_get_ptr(path_src, index_father_src);
 646
 647   /* (5) result generation */
 648   *res_father = *father;        /* first same the father of src and dst */
 649   *res_src = *current_src;      /* second the first different father of src */
 650   *res_dst = *current_dst;      /* three  the first different father of dst */
 651
 652   xbt_dynar_free(&path_src);
 653   xbt_dynar_free(&path_dst);
 654 }
 655
 656 /* Global Business methods */
 657
 658 /**
 659  * \brief Recursive function for get_route
 660  *
 661  * \param src the source host name
 662  * \param dst the destination host name
 663  * \param *e_route the route where the links are stored
 664  *
 665  * This function is called by "get_route". It allows to walk recursively
 666  * through the routing components tree.
 667  */
 668 static void _get_route(const char *src, const char *dst,route_extended_t *e_route)
 669 {
 670   XBT_DEBUG("Solve route  \"%s\" to \"%s\"", src, dst);
 671   xbt_assert(src && dst, "bad parameters for \"_get_route\" method");
 672
 673   routing_component_t common_father;
 674   routing_component_t src_father;
 675   routing_component_t dst_father;
 676   elements_father(src, dst, &common_father, &src_father, &dst_father);
 677
 678   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
 679
 680         (*e_route) =
 681           (*(common_father->get_route)) (common_father, src, dst);
 682         xbt_assert((*e_route), "no route between \"%s\" and \"%s\"", src,
 683                           dst);
 684
 685   } else {                      /* SURF_ROUTING_RECURSIVE */
 686
 687         void *link;
 688         unsigned int cpt = 0;
 689
 690         route_extended_t e_route_cnt = NULL;
 691         route_extended_t e_route_src = NULL;
 692         route_extended_t e_route_dst = NULL;
 693     route_extended_t e_route_bypass = NULL;
 694
 695     (*e_route) = xbt_new0(s_route_extended_t, 1);
 696     (*e_route)->src_gateway = NULL;
 697     (*e_route)->dst_gateway = NULL;
 698     (*e_route)->generic_route.link_list =
 699         xbt_dynar_new(global_routing->size_of_link, NULL);
 700
 701     if (common_father->get_bypass_route)
 702       e_route_bypass =
 703           (*(common_father->get_bypass_route)) (common_father, src, dst);
 704
 705     if (e_route_bypass)
 706       e_route_cnt = e_route_bypass;
 707     else
 708       e_route_cnt =
 709           (*(common_father->get_route)) (common_father, src_father->name,
 710                                          dst_father->name);
 711
 712     xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
 713                 src_father->name, dst_father->name);
 714
 715     xbt_assert((e_route_cnt->src_gateway == NULL) ==
 716                 (e_route_cnt->dst_gateway == NULL),
 717                 "bad gateway for route between \"%s\" and \"%s\"", src,
 718                 dst);
 719
 720     if (strcmp(src, e_route_cnt->src_gateway)) {
 721       _get_route(src, e_route_cnt->src_gateway, &e_route_src);
 722       xbt_assert(e_route_src, "no route between \"%s\" and \"%s\"", src,
 723                   e_route_cnt->src_gateway);
 724       xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
 725         xbt_dynar_push((*e_route)->generic_route.link_list, &link);
 726       }
 727     }
 728
 729     xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 730       xbt_dynar_push((*e_route)->generic_route.link_list, &link);
 731     }
 732
 733     if (strcmp(e_route_cnt->dst_gateway, dst)) {
 734       _get_route(e_route_cnt->dst_gateway, dst, &e_route_dst);
 735       xbt_assert(e_route_dst, "no route between \"%s\" and \"%s\"",
 736                   e_route_cnt->dst_gateway, dst);
 737       xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
 738         xbt_dynar_push((*e_route)->generic_route.link_list, &link);
 739       }
 740     }
 741
 742     (*e_route)->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
 743     (*e_route)->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
 744
 745     generic_free_extended_route(e_route_src);
 746     generic_free_extended_route(e_route_cnt);
 747     generic_free_extended_route(e_route_dst);
 748   }
 749 }
 750
 751 static double _get_latency(const char *src, const char *dst)
 752 {
 753   double latency, latency_src, latency_dst = 0.0;
 754
 755   XBT_DEBUG("Solve route  \"%s\" to \"%s\"", src, dst);
 756   xbt_assert(src && dst, "bad parameters for \"_get_route\" method");
 757
 758   route_extended_t e_route_cnt;
 759
 760   routing_component_t common_father;
 761   routing_component_t src_father;
 762   routing_component_t dst_father;
 763   elements_father(src, dst, &common_father, &src_father, &dst_father);
 764
 765   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
 766
 767       latency =
 768           (*(common_father->get_latency)) (common_father, src, dst, NULL);
 769       xbt_assert(latency>=0, "no route between \"%s\" and \"%s\"", src,
 770                   dst);
 771
 772   } else {                      /* SURF_ROUTING_RECURSIVE */
 773      route_extended_t e_route_bypass = NULL;
 774     if (common_father->get_bypass_route)
 775       e_route_bypass =
 776           (*(common_father->get_bypass_route)) (common_father, src, dst);
 777
 778     xbt_assert(!e_route_bypass,"Bypass cannot work yet with get_latency");
 779
 780     e_route_cnt =
 781           (*(common_father->get_route)) (common_father, src_father->name,
 782                                          dst_father->name);
 783
 784     xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
 785                 src_father->name, dst_father->name);
 786
 787     xbt_assert((e_route_cnt->src_gateway == NULL) ==
 788                 (e_route_cnt->dst_gateway == NULL),
 789                 "bad gateway for route between \"%s\" and \"%s\"", src,
 790                 dst);
 791
 792     latency = (*(common_father->get_latency)) (common_father, src_father->name, dst_father->name, e_route_cnt);
 793
 794     xbt_assert(latency>=0, "no route between \"%s\" and \"%s\"",
 795                 src_father->name, dst_father->name);
 796
 797     if (strcmp(src,e_route_cnt->src_gateway)) {
 798
 799       latency_src = _get_latency(src, e_route_cnt->src_gateway);
 800       xbt_assert(latency_src>=0, "no route between \"%s\" and \"%s\"", src,
 801                   e_route_cnt->src_gateway);
 802       latency += latency_src;
 803     }
 804
 805     if (strcmp(e_route_cnt->dst_gateway,dst)) {
 806
 807       latency_dst = _get_latency(e_route_cnt->dst_gateway, dst);
 808       xbt_assert(latency_dst>=0, "no route between \"%s\" and \"%s\"",
 809                   e_route_cnt->dst_gateway, dst);
 810       latency += latency_dst;
 811     }
 812
 813   }
 814
 815   return latency;
 816 }
 817
 818 /**
 819  * \brief Generic method: find a route between hosts
 820  *
 821  * \param src the source host name
 822  * \param dst the destination host name
 823  *
 824  * walk through the routing components tree and find a route between hosts
 825  * by calling the differents "get_route" functions in each routing component.
 826  * No need to free the returned dynar. It will be freed at the next call.
 827  */
 828 static xbt_dynar_t get_route(const char *src, const char *dst)
 829 {
 830
 831   route_extended_t e_route = NULL;
 832
 833   _get_route(src, dst, &e_route);
 834   xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst);
 835
 836   if (global_routing->last_route)
 837     xbt_dynar_free(&(global_routing->last_route));
 838   global_routing->last_route = e_route->generic_route.link_list;
 839
 840   if (e_route->src_gateway)
 841     xbt_free(e_route->src_gateway);
 842   if (e_route->dst_gateway)
 843     xbt_free(e_route->dst_gateway);
 844
 845   xbt_free(e_route);
 846
 847   return global_routing->last_route;
 848 }
 849
 850 /**
 851  * \brief Generic method: find a route between hosts
 852  *
 853  * \param src the source host name
 854  * \param dst the destination host name
 855  *
 856  * walk through the routing components tree and find a route between hosts
 857  * by calling the differents "get_route" functions in each routing component.
 858  * Leaves the caller the responsability to clean the returned dynar.
 859  */
 860 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
 861 {
 862         xbt_dynar_t d = get_route(src,dst);
 863         global_routing->last_route = NULL;
 864         return d;
 865 }
 866
 867 /*Get Latency*/
 868 static double get_latency(const char *src, const char *dst)
 869 {
 870
 871   double latency = -1.0;
 872   latency = _get_latency(src, dst);
 873   xbt_assert(latency>=0.0, "no route between \"%s\" and \"%s\"", src, dst);
 874   return latency;
 875 }
 876
 877 /**
 878  * \brief Recursive function for finalize
 879  *
 880  * \param rc the source host name
 881  *
 882  * This fuction is call by "finalize". It allow to finalize the
 883  * AS or routing components. It delete all the structures.
 884  */
 885 static void _finalize(routing_component_t rc)
 886 {
 887   if (rc) {
 888     xbt_dict_cursor_t cursor = NULL;
 889     char *key;
 890     routing_component_t elem;
 891     xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
 892       _finalize(elem);
 893     }
 894     xbt_dict_t tmp_sons = rc->routing_sons;
 895     char *tmp_name = rc->name;
 896     xbt_dict_free(&tmp_sons);
 897     xbt_free(tmp_name);
 898     xbt_assert(rc->finalize, "no defined method \"finalize\" in \"%s\"",
 899                 current_routing->name);
 900     (*(rc->finalize)) (rc);
 901   }
 902 }
 903
 904 /**
 905  * \brief Generic method: delete all the routing structures
 906  *
 907  * walk through the routing components tree and delete the structures
 908  * by calling the differents "finalize" functions in each routing component
 909  */
 910 static void finalize(void)
 911 {
 912   /* delete recursibly all the tree */
 913   _finalize(global_routing->root);
 914   /* delete last_route */
 915   xbt_dynar_free(&(global_routing->last_route));
 916   /* delete global routing structure */
 917   xbt_free(global_routing);
 918 }
 919
 920 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
 921 {
 922   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
 923
 924   //adding my one link routes
 925   unsigned int cpt;
 926   void *link;
 927   xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
 928   if (onelink_mine) {
 929     xbt_dynar_foreach(onelink_mine, cpt, link) {
 930       xbt_dynar_push(ret, &link);
 931     }
 932   }
 933   //recursing
 934   char *key;
 935   xbt_dict_cursor_t cursor = NULL;
 936   routing_component_t rc_child;
 937   xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
 938     xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
 939     if (onelink_child) {
 940       xbt_dynar_foreach(onelink_child, cpt, link) {
 941         xbt_dynar_push(ret, &link);
 942       }
 943     }
 944   }
 945   return ret;
 946 }
 947
 948 static xbt_dynar_t get_onelink_routes(void)
 949 {
 950   return recursive_get_onelink_routes(global_routing->root);
 951 }
 952
 953 e_surf_network_element_type_t get_network_element_type(const char
 954                                                               *name)
 955 {
 956   network_element_info_t rc = NULL;
 957
 958   rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
 959   if(rc) return rc->rc_type;
 960
 961   rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
 962   if(rc) return rc->rc_type;
 963
 964   return SURF_NETWORK_ELEMENT_NULL;
 965 }
 966
 967 /**
 968  * \brief Generic method: create the global routing schema
 969  *
 970  * Make a global routing structure and set all the parsing functions.
 971  */
 972 void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_t get_link_latency_fun)
 973 {
 974   /* config the uniq global routing */
 975   global_routing = xbt_new0(s_routing_global_t, 1);
 976   global_routing->root = NULL;
 977   global_routing->get_route = get_route;
 978   global_routing->get_latency = get_latency;
 979   global_routing->get_route_no_cleanup = get_route_no_cleanup;
 980   global_routing->get_onelink_routes = get_onelink_routes;
 981   global_routing->get_network_element_type = get_network_element_type;
 982   global_routing->finalize = finalize;
 983   global_routing->loopback = loopback;
 984   global_routing->size_of_link = size_of_links;
 985   global_routing->last_route = NULL;
 986   get_link_latency = get_link_latency_fun;
 987   /* no current routing at moment */
 988   current_routing = NULL;
 989
 990   /* parse generic elements */
 991   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
 992   surfxml_add_callback(ETag_surfxml_host_cb_list, &parse_E_host_XML);
 993   surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router_XML);
 994
 995   surfxml_add_callback(STag_surfxml_route_cb_list,
 996                        &parse_S_route_new_and_endpoints_XML);
 997   surfxml_add_callback(STag_surfxml_ASroute_cb_list,
 998                        &parse_S_ASroute_new_and_endpoints);
 999   surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
1000                        &parse_S_bypassRoute_new_and_endpoints);
1001
1002   surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
1003                        &parse_E_link_ctn_new_elem_XML);
1004
1005   surfxml_add_callback(ETag_surfxml_route_cb_list,
1006                        &parse_E_route_store_route);
1007   surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
1008                        &parse_E_ASroute_store_route);
1009   surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
1010                        &parse_E_bypassRoute_store_route);
1011
1012   surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
1013   surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
1014
1015   surfxml_add_callback(STag_surfxml_cluster_cb_list,
1016                        &routing_parse_Scluster);
1017
1018   surfxml_add_callback(STag_surfxml_peer_cb_list,
1019                          &routing_parse_Speer);
1020
1021   surfxml_add_callback(ETag_surfxml_platform_cb_list,
1022                                                   &clean_dict_random);
1023
1024 #ifdef HAVE_TRACING
1025   instr_routing_define_callbacks();
1026 #endif
1027 }
1028
1029 void surf_parse_add_callback_config(void)
1030 {
1031         surfxml_add_callback(STag_surfxml_config_cb_list, &routing_parse_Sconfig);
1032         surfxml_add_callback(ETag_surfxml_config_cb_list, &routing_parse_Econfig);
1033         surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties_XML);
1034         surfxml_add_callback(STag_surfxml_AS_cb_list, &surf_parse_models_setup);
1035         surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
1036 }
1037
1038 void surf_parse_models_setup()
1039 {
1040         routing_parse_Erandom();
1041         surfxml_del_callback(STag_surfxml_AS_cb_list, surf_parse_models_setup);
1042         surf_config_models_setup(platform_filename);
1043         free(platform_filename);
1044 }
1045
1046 /* ************************************************** */
1047 /* ********** PATERN FOR NEW ROUTING **************** */
1048
1049 /* The minimal configuration of a new routing model need the next functions,
1050  * also you need to set at the start of the file, the new model in the model
1051  * list. Remember keep the null ending of the list.
1052  */
1053 /*** Routing model structure ***/
1054 // typedef struct {
1055 //   s_routing_component_t generic_routing;
1056 //   /* things that your routing model need */
1057 // } s_routing_component_NEW_t,*routing_component_NEW_t;
1058
1059 /*** Parse routing model functions ***/
1060 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
1061 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
1062 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
1063 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
1064 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
1065
1066 /*** Business methods ***/
1067 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1068 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1069 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
1070
1071 /*** Creation routing model functions ***/
1072 // static void* model_NEW_create(void) {
1073 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
1074 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
1075 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
1076 //   new_component->generic_routing.set_route = model_NEW_set_route;
1077 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
1078 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
1079 //   new_component->generic_routing.get_route = NEW_get_route;
1080 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
1081 //   new_component->generic_routing.finalize = NEW_finalize;
1082 //   /* initialization of internal structures */
1083 //   return new_component;
1084 // } /* mandatory */
1085 // static void  model_NEW_load(void) {}   /* mandatory */
1086 // static void  model_NEW_unload(void) {} /* mandatory */
1087 // static void  model_NEW_end(void) {}    /* mandatory */
1088
1089 /* ************************************************************************** */
1090 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
1091
1092 void generic_set_processing_unit(routing_component_t rc,
1093                                         const char *name)
1094 {
1095   XBT_DEBUG("Load process unit \"%s\"", name);
1096   int *id = xbt_new0(int, 1);
1097   xbt_dict_t _to_index;
1098   _to_index = current_routing->to_index;
1099   *id = xbt_dict_length(_to_index);
1100   xbt_dict_set(_to_index, name, id, xbt_free);
1101 }
1102
1103 void generic_set_autonomous_system(routing_component_t rc,
1104                                           const char *name)
1105 {
1106   XBT_DEBUG("Load Autonomous system \"%s\"", name);
1107   int *id = xbt_new0(int, 1);
1108   xbt_dict_t _to_index;
1109   _to_index = current_routing->to_index;
1110   *id = xbt_dict_length(_to_index);
1111   xbt_dict_set(_to_index, name, id, xbt_free);
1112 }
1113
1114 int surf_pointer_resource_cmp(const void *a, const void *b)
1115 {
1116   return a != b;
1117 }
1118
1119 int surf_link_resource_cmp(const void *a, const void *b)
1120 {
1121   return !!memcmp(a,b,global_routing->size_of_link);
1122 }
1123
1124 void generic_set_bypassroute(routing_component_t rc,
1125                                     const char *src, const char *dst,
1126                                     route_extended_t e_route)
1127 {
1128   XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
1129   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
1130   char *route_name;
1131
1132   route_name = bprintf("%s#%s", src, dst);
1133   xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
1134               "Invalid count of links, must be greater than zero (%s,%s)",
1135               src, dst);
1136   xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
1137               "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
1138               src, e_route->src_gateway, dst, e_route->dst_gateway);
1139
1140   route_extended_t new_e_route =
1141       generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
1142   xbt_dynar_free(&(e_route->generic_route.link_list));
1143   xbt_free(e_route);
1144
1145   xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
1146                (void (*)(void *)) generic_free_extended_route);
1147   xbt_free(route_name);
1148 }
1149
1150 /* ************************************************************************** */
1151 /* *********************** GENERIC BUSINESS METHODS ************************* */
1152
1153 double generic_get_link_latency(routing_component_t rc,
1154                                        const char *src, const char *dst,
1155                                        route_extended_t route)
1156 {
1157         int need_to_clean = route?0:1;
1158         void * link;
1159         unsigned int i;
1160         double latency = 0.0;
1161
1162         route = route?route:rc->get_route(rc,src,dst);
1163
1164         xbt_dynar_foreach(route->generic_route.link_list,i,link) {
1165                 latency += get_link_latency(link);
1166         }
1167         if(need_to_clean) generic_free_extended_route(route);
1168   return latency;
1169 }
1170
1171 xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
1172 {
1173   xbt_die("\"generic_get_onelink_routes\" not implemented yet");
1174 }
1175
1176 route_extended_t generic_get_bypassroute(routing_component_t rc,
1177                                                 const char *src,
1178                                                 const char *dst)
1179 {
1180   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
1181   routing_component_t src_as, dst_as;
1182   int index_src, index_dst;
1183   xbt_dynar_t path_src = NULL;
1184   xbt_dynar_t path_dst = NULL;
1185   routing_component_t current = NULL;
1186   routing_component_t *current_src = NULL;
1187   routing_component_t *current_dst = NULL;
1188
1189   /* (1) find the as where the src and dst are located */
1190   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1191   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1192   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1193   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1194
1195   if(src_data == NULL || dst_data == NULL)
1196           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1197                      src, dst, rc->name);
1198
1199   src_as = ((network_element_info_t)src_data)->rc_component;
1200   dst_as = ((network_element_info_t)dst_data)->rc_component;
1201
1202   /* (2) find the path to the root routing component */
1203   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
1204   current = src_as;
1205   while (current != NULL) {
1206     xbt_dynar_push(path_src, &current);
1207     current = current->routing_father;
1208   }
1209   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
1210   current = dst_as;
1211   while (current != NULL) {
1212     xbt_dynar_push(path_dst, &current);
1213     current = current->routing_father;
1214   }
1215
1216   /* (3) find the common father */
1217   index_src = path_src->used - 1;
1218   index_dst = path_dst->used - 1;
1219   current_src = xbt_dynar_get_ptr(path_src, index_src);
1220   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1221   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
1222     routing_component_t *tmp_src, *tmp_dst;
1223     tmp_src = xbt_dynar_pop_ptr(path_src);
1224     tmp_dst = xbt_dynar_pop_ptr(path_dst);
1225     index_src--;
1226     index_dst--;
1227     current_src = xbt_dynar_get_ptr(path_src, index_src);
1228     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1229   }
1230
1231   int max_index_src = path_src->used - 1;
1232   int max_index_dst = path_dst->used - 1;
1233
1234   int max_index = max(max_index_src, max_index_dst);
1235   int i, max;
1236
1237   route_extended_t e_route_bypass = NULL;
1238
1239   for (max = 0; max <= max_index; max++) {
1240     for (i = 0; i < max; i++) {
1241       if (i <= max_index_src && max <= max_index_dst) {
1242         char *route_name = bprintf("%s#%s",
1243                                    (*(routing_component_t *)
1244                                     (xbt_dynar_get_ptr
1245                                      (path_src, i)))->name,
1246                                    (*(routing_component_t *)
1247                                     (xbt_dynar_get_ptr
1248                                      (path_dst, max)))->name);
1249         e_route_bypass =
1250             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1251         xbt_free(route_name);
1252       }
1253       if (e_route_bypass)
1254         break;
1255       if (max <= max_index_src && i <= max_index_dst) {
1256         char *route_name = bprintf("%s#%s",
1257                                    (*(routing_component_t *)
1258                                     (xbt_dynar_get_ptr
1259                                      (path_src, max)))->name,
1260                                    (*(routing_component_t *)
1261                                     (xbt_dynar_get_ptr
1262                                      (path_dst, i)))->name);
1263         e_route_bypass =
1264             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1265         xbt_free(route_name);
1266       }
1267       if (e_route_bypass)
1268         break;
1269     }
1270
1271     if (e_route_bypass)
1272       break;
1273
1274     if (max <= max_index_src && max <= max_index_dst) {
1275       char *route_name = bprintf("%s#%s",
1276                                  (*(routing_component_t *)
1277                                   (xbt_dynar_get_ptr
1278                                    (path_src, max)))->name,
1279                                  (*(routing_component_t *)
1280                                   (xbt_dynar_get_ptr
1281                                    (path_dst, max)))->name);
1282       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1283       xbt_free(route_name);
1284     }
1285     if (e_route_bypass)
1286       break;
1287   }
1288
1289   xbt_dynar_free(&path_src);
1290   xbt_dynar_free(&path_dst);
1291
1292   route_extended_t new_e_route = NULL;
1293
1294   if (e_route_bypass) {
1295     void *link;
1296     unsigned int cpt = 0;
1297     new_e_route = xbt_new0(s_route_extended_t, 1);
1298     new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
1299     new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
1300     new_e_route->generic_route.link_list =
1301         xbt_dynar_new(global_routing->size_of_link, NULL);
1302     xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
1303       xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1304     }
1305   }
1306
1307   return new_e_route;
1308 }
1309
1310 /* ************************************************************************** */
1311 /* ************************* GENERIC AUX FUNCTIONS ************************** */
1312
1313 route_t
1314 generic_new_route(e_surf_routing_hierarchy_t hierarchy,
1315                            void *data, int order)
1316 {
1317
1318   char *link_name;
1319   route_t new_route;
1320   unsigned int cpt;
1321   xbt_dynar_t links = NULL, links_id = NULL;
1322
1323   new_route = xbt_new0(s_route_t, 1);
1324   new_route->link_list =
1325       xbt_dynar_new(global_routing->size_of_link, NULL);
1326
1327   xbt_assert(hierarchy == SURF_ROUTING_BASE,
1328               "the hierarchy type is not SURF_ROUTING_BASE");
1329
1330   links = ((route_t) data)->link_list;
1331
1332
1333   links_id = new_route->link_list;
1334
1335   xbt_dynar_foreach(links, cpt, link_name) {
1336
1337     void *link =
1338                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1339     if (link) {
1340       if (order)
1341         xbt_dynar_push(links_id, &link);
1342       else
1343         xbt_dynar_unshift(links_id, &link);
1344     } else
1345       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1346   }
1347
1348   return new_route;
1349 }
1350
1351 route_extended_t
1352 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
1353                            void *data, int order)
1354 {
1355
1356   char *link_name;
1357   route_extended_t e_route, new_e_route;
1358   route_t route;
1359   unsigned int cpt;
1360   xbt_dynar_t links = NULL, links_id = NULL;
1361
1362   new_e_route = xbt_new0(s_route_extended_t, 1);
1363   new_e_route->generic_route.link_list =
1364       xbt_dynar_new(global_routing->size_of_link, NULL);
1365   new_e_route->src_gateway = NULL;
1366   new_e_route->dst_gateway = NULL;
1367
1368   xbt_assert(hierarchy == SURF_ROUTING_BASE
1369               || hierarchy == SURF_ROUTING_RECURSIVE,
1370               "the hierarchy type is not defined");
1371
1372   if (hierarchy == SURF_ROUTING_BASE) {
1373
1374     route = (route_t) data;
1375     links = route->link_list;
1376
1377   } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
1378
1379     e_route = (route_extended_t) data;
1380     xbt_assert(e_route->src_gateway
1381                 && e_route->dst_gateway, "bad gateway, is null");
1382     links = e_route->generic_route.link_list;
1383
1384     /* remeber not erase the gateway names */
1385     new_e_route->src_gateway = strdup(e_route->src_gateway);
1386     new_e_route->dst_gateway = strdup(e_route->dst_gateway);
1387   }
1388
1389   links_id = new_e_route->generic_route.link_list;
1390
1391   xbt_dynar_foreach(links, cpt, link_name) {
1392
1393     void *link =
1394                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1395     if (link) {
1396       if (order)
1397         xbt_dynar_push(links_id, &link);
1398       else
1399         xbt_dynar_unshift(links_id, &link);
1400     } else
1401       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1402   }
1403
1404   return new_e_route;
1405 }
1406
1407 void generic_free_route(route_t route)
1408 {
1409   if (route) {
1410     xbt_dynar_free(&(route->link_list));
1411     xbt_free(route);
1412   }
1413 }
1414
1415 void generic_free_extended_route(route_extended_t e_route)
1416 {
1417   if (e_route) {
1418     xbt_dynar_free(&(e_route->generic_route.link_list));
1419     if (e_route->src_gateway)
1420       xbt_free(e_route->src_gateway);
1421     if (e_route->dst_gateway)
1422       xbt_free(e_route->dst_gateway);
1423     xbt_free(e_route);
1424   }
1425 }
1426
1427 static routing_component_t generic_as_exist(routing_component_t find_from,
1428                                             routing_component_t to_find)
1429 {
1430   //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1431   xbt_dict_cursor_t cursor = NULL;
1432   char *key;
1433   int found = 0;
1434   routing_component_t elem;
1435   xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
1436     if (to_find == elem || generic_as_exist(elem, to_find)) {
1437       found = 1;
1438       break;
1439     }
1440   }
1441   if (found)
1442     return to_find;
1443   return NULL;
1444 }
1445
1446 routing_component_t
1447 generic_autonomous_system_exist(routing_component_t rc, char *element)
1448 {
1449   //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1450   routing_component_t element_as, result, elem;
1451   xbt_dict_cursor_t cursor = NULL;
1452   char *key;
1453   element_as = ((network_element_info_t)
1454                 xbt_lib_get_or_null(as_router_lib, element, ROUTING_ASR_LEVEL))->rc_component;
1455   result = ((routing_component_t) - 1);
1456   if (element_as != rc)
1457     result = generic_as_exist(rc, element_as);
1458
1459   int found = 0;
1460   if (result) {
1461     xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
1462       found = !strcmp(elem->name, element);
1463       if (found)
1464         break;
1465     }
1466     if (found)
1467       return element_as;
1468   }
1469   return NULL;
1470 }
1471
1472 routing_component_t
1473 generic_processing_units_exist(routing_component_t rc, char *element)
1474 {
1475   routing_component_t element_as;
1476   element_as = ((network_element_info_t)
1477                 xbt_lib_get_or_null(host_lib,
1478                  element, ROUTING_HOST_LEVEL))->rc_component;
1479   if (element_as == rc)
1480     return element_as;
1481   return generic_as_exist(rc, element_as);
1482 }
1483
1484 void generic_src_dst_check(routing_component_t rc, const char *src,
1485                                   const char *dst)
1486 {
1487
1488   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1489   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1490   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1491   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1492
1493   if(src_data == NULL || dst_data == NULL)
1494           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1495                      src, dst, rc->name);
1496
1497   routing_component_t src_as = ((network_element_info_t)src_data)->rc_component;
1498   routing_component_t dst_as = ((network_element_info_t)dst_data)->rc_component;
1499
1500   if(src_as != dst_as)
1501           xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
1502               src, src_as->name, dst, dst_as->name);
1503   if(rc != dst_as)
1504          xbt_die("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
1505      src,dst,src_as->name, dst_as->name,rc->name);
1506 }
1507
1508 static void routing_parse_Sconfig(void)
1509 {
1510   XBT_DEBUG("START configuration name = %s",A_surfxml_config_id);
1511 }
1512
1513 static void routing_parse_Econfig(void)
1514 {
1515   xbt_dict_cursor_t cursor = NULL;
1516   char *key;
1517   char *elem;
1518   char *cfg;
1519   xbt_dict_foreach(current_property_set, cursor, key, elem) {
1520           cfg = bprintf("%s:%s",key,elem);
1521           if(xbt_cfg_is_default_value(_surf_cfg_set, key))
1522                   xbt_cfg_set_parse(_surf_cfg_set, cfg);
1523           else
1524                   XBT_INFO("The custom configuration '%s' is already define by user!",key);
1525           free(cfg);
1526   }
1527   XBT_DEBUG("End configuration name = %s",A_surfxml_config_id);
1528 }
1529
1530 void routing_parse_Scluster(void)
1531 {
1532   static int AX_ptr = 0;
1533
1534   char *cluster_id = A_surfxml_cluster_id;
1535   char *cluster_prefix = A_surfxml_cluster_prefix;
1536   char *cluster_suffix = A_surfxml_cluster_suffix;
1537   char *cluster_radical = A_surfxml_cluster_radical;
1538   char *cluster_power = A_surfxml_cluster_power;
1539   char *cluster_core = A_surfxml_cluster_core;
1540   char *cluster_bw = A_surfxml_cluster_bw;
1541   char *cluster_lat = A_surfxml_cluster_lat;
1542   char *temp_cluster_bw = NULL;
1543   char *temp_cluster_lat = NULL;
1544   char *temp_cluster_power = NULL;
1545   char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
1546   char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
1547   char *cluster_availability_file = A_surfxml_cluster_availability_file;
1548   char *cluster_state_file = A_surfxml_cluster_state_file;
1549   char *host_id, *groups, *link_id = NULL;
1550   char *router_id, *link_backbone;
1551   char *availability_file = xbt_strdup(cluster_availability_file);
1552   char *state_file = xbt_strdup(cluster_state_file);
1553
1554   if(xbt_dict_size(patterns)==0)
1555           patterns = xbt_dict_new();
1556
1557   xbt_dict_set(patterns,"id",cluster_id,NULL);
1558   xbt_dict_set(patterns,"prefix",cluster_prefix,NULL);
1559   xbt_dict_set(patterns,"suffix",cluster_suffix,NULL);
1560
1561 #ifdef HAVE_PCRE_LIB
1562   char *route_src_dst;
1563 #endif
1564   unsigned int iter;
1565   int start, end, i;
1566   xbt_dynar_t radical_elements;
1567   xbt_dynar_t radical_ends;
1568   int cluster_sharing_policy = AX_surfxml_cluster_sharing_policy;
1569   int cluster_bb_sharing_policy = AX_surfxml_cluster_bb_sharing_policy;
1570
1571 #ifndef HAVE_PCRE_LIB
1572   xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
1573   char *route_src, *route_dst;
1574   int j;
1575 #endif
1576
1577   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1578   static unsigned int surfxml_buffer_stack_stack[1024];
1579
1580   surfxml_buffer_stack_stack[0] = 0;
1581
1582   surfxml_bufferstack_push(1);
1583
1584   SURFXML_BUFFER_SET(AS_id, cluster_id);
1585 #ifdef HAVE_PCRE_LIB
1586   SURFXML_BUFFER_SET(AS_routing, "RuleBased");
1587   XBT_DEBUG("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
1588 #else
1589   SURFXML_BUFFER_SET(AS_routing, "Full");
1590   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
1591 #endif
1592   SURFXML_START_TAG(AS);
1593
1594   radical_elements = xbt_str_split(cluster_radical, ",");
1595   xbt_dynar_foreach(radical_elements, iter, groups) {
1596     radical_ends = xbt_str_split(groups, "-");
1597     switch (xbt_dynar_length(radical_ends)) {
1598     case 1:
1599       surf_parse_get_int(&start,
1600                          xbt_dynar_get_as(radical_ends, 0, char *));
1601       host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
1602 #ifndef HAVE_PCRE_LIB
1603       xbt_dynar_push_as(tab_elements_num, int, start);
1604 #endif
1605       link_id = bprintf("%s_link_%d", cluster_id, start);
1606
1607       xbt_dict_set(patterns, "radical", bprintf("%d", start), xbt_free);
1608       temp_cluster_power = xbt_strdup(cluster_power);
1609       temp_cluster_power = replace_random_parameter(temp_cluster_power);
1610       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
1611       A_surfxml_host_state = A_surfxml_host_state_ON;
1612       SURFXML_BUFFER_SET(host_id, host_id);
1613       SURFXML_BUFFER_SET(host_power, temp_cluster_power);
1614       SURFXML_BUFFER_SET(host_core, cluster_core);
1615       SURFXML_BUFFER_SET(host_availability, "1.0");
1616       SURFXML_BUFFER_SET(host_coordinates, "");
1617       xbt_free(availability_file);
1618       availability_file = xbt_strdup(cluster_availability_file);
1619       xbt_free(state_file);
1620       state_file = xbt_strdup(cluster_state_file);
1621       XBT_DEBUG("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
1622       XBT_DEBUG("\tstate_file=\"%s\"",xbt_str_varsubst(state_file,patterns));
1623       SURFXML_BUFFER_SET(host_availability_file, xbt_str_varsubst(availability_file,patterns));
1624       SURFXML_BUFFER_SET(host_state_file, xbt_str_varsubst(state_file,patterns));
1625       XBT_DEBUG("</host>");
1626       SURFXML_START_TAG(host);
1627       SURFXML_END_TAG(host);
1628
1629
1630       temp_cluster_bw = xbt_strdup(cluster_bw);
1631       temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1632       temp_cluster_lat = xbt_strdup(cluster_lat);
1633       temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1634       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
1635       A_surfxml_link_state = A_surfxml_link_state_ON;
1636       A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1637       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1638           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1639       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1640           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1641       SURFXML_BUFFER_SET(link_id, link_id);
1642       SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1643       SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1644       SURFXML_BUFFER_SET(link_bandwidth_file, "");
1645       SURFXML_BUFFER_SET(link_latency_file, "");
1646       SURFXML_BUFFER_SET(link_state_file, "");
1647       SURFXML_START_TAG(link);
1648       SURFXML_END_TAG(link);
1649
1650       xbt_free(temp_cluster_bw);
1651       xbt_free(temp_cluster_lat);
1652       xbt_free(temp_cluster_power);
1653       free(link_id);
1654       free(host_id);
1655       break;
1656
1657     case 2:
1658
1659       surf_parse_get_int(&start,
1660                          xbt_dynar_get_as(radical_ends, 0, char *));
1661       surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
1662       for (i = start; i <= end; i++) {
1663         host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
1664 #ifndef HAVE_PCRE_LIB
1665         xbt_dynar_push_as(tab_elements_num, int, i);
1666 #endif
1667         link_id = bprintf("%s_link_%d", cluster_id, i);
1668
1669         xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
1670         temp_cluster_power = xbt_strdup(cluster_power);
1671         temp_cluster_power = replace_random_parameter(temp_cluster_power);
1672         XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
1673         A_surfxml_host_state = A_surfxml_host_state_ON;
1674         SURFXML_BUFFER_SET(host_id, host_id);
1675         SURFXML_BUFFER_SET(host_power, temp_cluster_power);
1676         SURFXML_BUFFER_SET(host_core, cluster_core);
1677         SURFXML_BUFFER_SET(host_availability, "1.0");
1678         SURFXML_BUFFER_SET(host_coordinates, "");
1679         xbt_free(availability_file);
1680         availability_file = xbt_strdup(cluster_availability_file);
1681         xbt_free(state_file);
1682         state_file = xbt_strdup(cluster_state_file);
1683         XBT_DEBUG("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
1684         XBT_DEBUG("\tstate_file=\"%s\"",xbt_str_varsubst(state_file,patterns));
1685         SURFXML_BUFFER_SET(host_availability_file, xbt_str_varsubst(availability_file,patterns));
1686         SURFXML_BUFFER_SET(host_state_file, xbt_str_varsubst(state_file,patterns));
1687         XBT_DEBUG("</host>");
1688         SURFXML_START_TAG(host);
1689         SURFXML_END_TAG(host);
1690
1691         xbt_free(temp_cluster_power);
1692
1693         temp_cluster_bw = xbt_strdup(cluster_bw);
1694         temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1695         temp_cluster_lat = xbt_strdup(cluster_lat);
1696         temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1697         XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
1698         A_surfxml_link_state = A_surfxml_link_state_ON;
1699         A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1700         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1701             {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1702         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1703             {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1704         SURFXML_BUFFER_SET(link_id, link_id);
1705         SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1706         SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1707         SURFXML_BUFFER_SET(link_bandwidth_file, "");
1708         SURFXML_BUFFER_SET(link_latency_file, "");
1709         SURFXML_BUFFER_SET(link_state_file, "");
1710         SURFXML_START_TAG(link);
1711         SURFXML_END_TAG(link);
1712
1713         xbt_free(temp_cluster_bw);
1714         xbt_free(temp_cluster_lat);
1715         free(link_id);
1716         free(host_id);
1717       }
1718       break;
1719
1720     default:
1721       XBT_DEBUG("Malformed radical");
1722     }
1723
1724     xbt_dynar_free(&radical_ends);
1725   }
1726   xbt_dynar_free(&radical_elements);
1727
1728   XBT_DEBUG(" ");
1729   router_id =
1730       bprintf("%s%s_router%s", cluster_prefix, cluster_id,
1731               cluster_suffix);
1732   //link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
1733   link_backbone = bprintf("%s_backbone", cluster_id);
1734
1735   XBT_DEBUG("<router id=\"%s\"/>", router_id);
1736   SURFXML_BUFFER_SET(router_id, router_id);
1737   SURFXML_BUFFER_SET(router_coordinates, "");
1738   SURFXML_START_TAG(router);
1739   SURFXML_END_TAG(router);
1740
1741   //TODO
1742 //  xbt_dict_set(patterns, "radical", xbt_strdup("_router"), xbt_free);
1743 //  temp_cluster_bw = xbt_strdup(cluster_bw);
1744 //  temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1745 //  temp_cluster_lat = xbt_strdup(cluster_lat);
1746 //  temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1747 //  XBT_DEBUG("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,temp_cluster_bw, temp_cluster_lat);
1748 //  A_surfxml_link_state = A_surfxml_link_state_ON;
1749 //  A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1750 //  if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1751 //  {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1752 //  if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1753 //  {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1754 //  SURFXML_BUFFER_SET(link_id, link_router);
1755 //  SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1756 //  SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1757 //  SURFXML_BUFFER_SET(link_bandwidth_file, "");
1758 //  SURFXML_BUFFER_SET(link_latency_file, "");
1759 //  SURFXML_BUFFER_SET(link_state_file, "");
1760 //  SURFXML_START_TAG(link);
1761 //  SURFXML_END_TAG(link);
1762
1763 //  xbt_free(temp_cluster_bw);
1764 //  xbt_free(temp_cluster_lat);
1765
1766   XBT_DEBUG("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bb_bw, cluster_bb_lat);
1767   A_surfxml_link_state = A_surfxml_link_state_ON;
1768   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1769   if(cluster_bb_sharing_policy == A_surfxml_cluster_bb_sharing_policy_FATPIPE)
1770   {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1771   SURFXML_BUFFER_SET(link_id, link_backbone);
1772   SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
1773   SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
1774   SURFXML_BUFFER_SET(link_bandwidth_file, "");
1775   SURFXML_BUFFER_SET(link_latency_file, "");
1776   SURFXML_BUFFER_SET(link_state_file, "");
1777   SURFXML_START_TAG(link);
1778   SURFXML_END_TAG(link);
1779
1780   XBT_DEBUG(" ");
1781
1782 #ifdef HAVE_PCRE_LIB
1783   char *new_suffix = xbt_strdup("");
1784
1785   radical_elements = xbt_str_split(cluster_suffix, ".");
1786   xbt_dynar_foreach(radical_elements, iter, groups) {
1787     if (strcmp(groups, "")) {
1788       char *old_suffix = new_suffix;
1789       new_suffix = bprintf("%s\\.%s", old_suffix, groups);
1790       free(old_suffix);
1791     }
1792   }
1793   route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
1794   xbt_dynar_free(&radical_elements);
1795   free(new_suffix);
1796
1797   char *pcre_link_src = bprintf("%s_link_$1src", cluster_id);
1798   char *pcre_link_backbone = bprintf("%s_backbone", cluster_id);
1799   char *pcre_link_dst = bprintf("%s_link_$1dst", cluster_id);
1800
1801   //from router to router
1802   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, router_id);
1803   XBT_DEBUG("symmetrical=\"NO\">");
1804   SURFXML_BUFFER_SET(route_src, router_id);
1805   SURFXML_BUFFER_SET(route_dst, router_id);
1806   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1807   SURFXML_START_TAG(route);
1808
1809   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1810   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1811   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1812   SURFXML_START_TAG(link_ctn);
1813   SURFXML_END_TAG(link_ctn);
1814
1815   XBT_DEBUG("</route>");
1816   SURFXML_END_TAG(route);
1817
1818   //from host to router
1819   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, router_id);
1820   XBT_DEBUG("symmetrical=\"NO\">");
1821   SURFXML_BUFFER_SET(route_src, route_src_dst);
1822   SURFXML_BUFFER_SET(route_dst, router_id);
1823   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1824   SURFXML_START_TAG(route);
1825
1826   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_src);
1827   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_src);
1828   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1829   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1830   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1831   SURFXML_START_TAG(link_ctn);
1832   SURFXML_END_TAG(link_ctn);
1833
1834   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1835   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1836   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1837   SURFXML_START_TAG(link_ctn);
1838   SURFXML_END_TAG(link_ctn);
1839
1840   XBT_DEBUG("</route>");
1841   SURFXML_END_TAG(route);
1842
1843   //from router to host
1844   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, route_src_dst);
1845   XBT_DEBUG("symmetrical=\"NO\">");
1846   SURFXML_BUFFER_SET(route_src, router_id);
1847   SURFXML_BUFFER_SET(route_dst, route_src_dst);
1848   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1849   SURFXML_START_TAG(route);
1850
1851   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1852   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1853   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1854   SURFXML_START_TAG(link_ctn);
1855   SURFXML_END_TAG(link_ctn);
1856
1857   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_dst);
1858   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_dst);
1859   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1860   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1861   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1862   SURFXML_START_TAG(link_ctn);
1863   SURFXML_END_TAG(link_ctn);
1864
1865   XBT_DEBUG("</route>");
1866   SURFXML_END_TAG(route);
1867
1868   //from host to host
1869   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, route_src_dst);
1870   XBT_DEBUG("symmetrical=\"NO\">");
1871   SURFXML_BUFFER_SET(route_src, route_src_dst);
1872   SURFXML_BUFFER_SET(route_dst, route_src_dst);
1873   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1874   SURFXML_START_TAG(route);
1875
1876   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_src);
1877   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_src);
1878   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1879   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1880   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1881   SURFXML_START_TAG(link_ctn);
1882   SURFXML_END_TAG(link_ctn);
1883
1884   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1885   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1886   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1887   SURFXML_START_TAG(link_ctn);
1888   SURFXML_END_TAG(link_ctn);
1889
1890   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_dst);
1891   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_dst);
1892   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1893   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1894   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
1895   SURFXML_START_TAG(link_ctn);
1896   SURFXML_END_TAG(link_ctn);
1897
1898   XBT_DEBUG("</route>");
1899   SURFXML_END_TAG(route);
1900
1901   free(pcre_link_dst);
1902   free(pcre_link_backbone);
1903   free(pcre_link_src);
1904   free(route_src_dst);
1905 #else
1906   for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
1907     for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
1908       if (i == xbt_dynar_length(tab_elements_num)) {
1909         route_src = router_id;
1910       } else {
1911         route_src =
1912             bprintf("%s%d%s", cluster_prefix,
1913                     xbt_dynar_get_as(tab_elements_num, i, int),
1914                     cluster_suffix);
1915       }
1916
1917       if (j == xbt_dynar_length(tab_elements_num)) {
1918         route_dst = router_id;
1919       } else {
1920         route_dst =
1921             bprintf("%s%d%s", cluster_prefix,
1922                     xbt_dynar_get_as(tab_elements_num, j, int),
1923                     cluster_suffix);
1924       }
1925
1926       XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src, route_dst);
1927       XBT_DEBUG("symmetrical=\"NO\">");
1928       SURFXML_BUFFER_SET(route_src, route_src);
1929       SURFXML_BUFFER_SET(route_dst, route_dst);
1930       A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1931       SURFXML_START_TAG(route);
1932
1933       if (i != xbt_dynar_length(tab_elements_num)){
1934           route_src =
1935                 bprintf("%s_link_%d", cluster_id,
1936                         xbt_dynar_get_as(tab_elements_num, i, int));
1937                   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", route_src);
1938                   SURFXML_BUFFER_SET(link_ctn_id, route_src);
1939                   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1940                   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1941                   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1942                   SURFXML_START_TAG(link_ctn);
1943                   SURFXML_END_TAG(link_ctn);
1944                   free(route_src);
1945       }
1946
1947       XBT_DEBUG("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
1948       SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
1949       A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1950       SURFXML_START_TAG(link_ctn);
1951       SURFXML_END_TAG(link_ctn);
1952
1953       if (j != xbt_dynar_length(tab_elements_num)) {
1954           route_dst =
1955                 bprintf("%s_link_%d", cluster_id,
1956                         xbt_dynar_get_as(tab_elements_num, j, int));
1957                   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", route_dst);
1958                   SURFXML_BUFFER_SET(link_ctn_id, route_dst);
1959                   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1960                   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1961                   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
1962                   SURFXML_START_TAG(link_ctn);
1963                   SURFXML_END_TAG(link_ctn);
1964                   free(route_dst);
1965       }
1966
1967       XBT_DEBUG("</route>");
1968       SURFXML_END_TAG(route);
1969     }
1970   }
1971   xbt_dynar_free(&tab_elements_num);
1972
1973 #endif
1974
1975   free(router_id);
1976   free(link_backbone);
1977   //free(link_router);
1978   xbt_dict_free(&patterns);
1979   free(availability_file);
1980   free(state_file);
1981
1982   XBT_DEBUG("</AS>");
1983   SURFXML_END_TAG(AS);
1984   XBT_DEBUG(" ");
1985
1986   surfxml_bufferstack_pop(1);
1987 }
1988 /*
1989  * This function take a string and replace parameters from patterns dict.
1990  * It returns the new value.
1991  */
1992 static char* replace_random_parameter(char * string)
1993 {
1994   char *test_string = NULL;
1995
1996   if(xbt_dict_size(random_value)==0)
1997     return string;
1998
1999   string = xbt_str_varsubst(string, patterns); // for patterns of cluster
2000   test_string = bprintf("${%s}", string);
2001   test_string = xbt_str_varsubst(test_string,random_value); //Add ${xxxxx} for random Generator
2002
2003   if (strcmp(test_string,"")) { //if not empty, keep this value.
2004     xbt_free(string);
2005     string = test_string;
2006   } //In other case take old value (without ${})
2007   else
2008         free(test_string);
2009   return string;
2010 }
2011
2012 static void clean_dict_random(void)
2013 {
2014         xbt_dict_free(&random_value);
2015         xbt_dict_free(&patterns);
2016 }
2017
2018 static void routing_parse_Speer(void)
2019 {
2020   static int AX_ptr = 0;
2021
2022   char *peer_id = A_surfxml_peer_id;
2023   char *peer_power = A_surfxml_peer_power;
2024   char *peer_bw_in = A_surfxml_peer_bw_in;
2025   char *peer_bw_out = A_surfxml_peer_bw_out;
2026   char *peer_lat = A_surfxml_peer_lat;
2027   char *peer_coord = A_surfxml_peer_coordinates;
2028   char *peer_state_file = A_surfxml_peer_state_file;
2029   char *peer_availability_file = A_surfxml_peer_availability_file;
2030
2031   char *host_id = NULL;
2032   char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
2033
2034   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
2035   static unsigned int surfxml_buffer_stack_stack[1024];
2036
2037   surfxml_buffer_stack_stack[0] = 0;
2038
2039   surfxml_bufferstack_push(1);
2040
2041   SURFXML_BUFFER_SET(AS_id, peer_id);
2042
2043   SURFXML_BUFFER_SET(AS_routing, "Full");
2044   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer_id);
2045
2046   SURFXML_START_TAG(AS);
2047
2048   XBT_DEBUG(" ");
2049   host_id = bprintf("peer_%s", peer_id);
2050   router_id = bprintf("router_%s", peer_id);
2051   link_id_up = bprintf("link_%s_up", peer_id);
2052   link_id_down = bprintf("link_%s_down", peer_id);
2053
2054   link_router = bprintf("%s_link_router", peer_id);
2055   link_backbone = bprintf("%s_backbone", peer_id);
2056
2057   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, peer_power);
2058   A_surfxml_host_state = A_surfxml_host_state_ON;
2059   SURFXML_BUFFER_SET(host_id, host_id);
2060   SURFXML_BUFFER_SET(host_power, peer_power);
2061   SURFXML_BUFFER_SET(host_availability, "1.0");
2062   SURFXML_BUFFER_SET(host_availability_file, peer_availability_file);
2063   SURFXML_BUFFER_SET(host_state_file, peer_state_file);
2064   SURFXML_BUFFER_SET(host_coordinates, "");
2065   SURFXML_START_TAG(host);
2066   SURFXML_END_TAG(host);
2067
2068   XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer_coord);
2069   SURFXML_BUFFER_SET(router_id, router_id);
2070   SURFXML_BUFFER_SET(router_coordinates, peer_coord);
2071   SURFXML_START_TAG(router);
2072   SURFXML_END_TAG(router);
2073
2074   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_up, peer_bw_in, peer_lat);
2075   A_surfxml_link_state = A_surfxml_link_state_ON;
2076   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2077   SURFXML_BUFFER_SET(link_id, link_id_up);
2078   SURFXML_BUFFER_SET(link_bandwidth, peer_bw_in);
2079   SURFXML_BUFFER_SET(link_latency, peer_lat);
2080   SURFXML_BUFFER_SET(link_bandwidth_file, "");
2081   SURFXML_BUFFER_SET(link_latency_file, "");
2082   SURFXML_BUFFER_SET(link_state_file, "");
2083   SURFXML_START_TAG(link);
2084   SURFXML_END_TAG(link);
2085
2086   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_down, peer_bw_out, peer_lat);
2087   A_surfxml_link_state = A_surfxml_link_state_ON;
2088   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2089   SURFXML_BUFFER_SET(link_id, link_id_down);
2090   SURFXML_BUFFER_SET(link_bandwidth, peer_bw_out);
2091   SURFXML_BUFFER_SET(link_latency, peer_lat);
2092   SURFXML_BUFFER_SET(link_bandwidth_file, "");
2093   SURFXML_BUFFER_SET(link_latency_file, "");
2094   SURFXML_BUFFER_SET(link_state_file, "");
2095   SURFXML_START_TAG(link);
2096   SURFXML_END_TAG(link);
2097
2098   XBT_DEBUG(" ");
2099
2100   // begin here
2101   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
2102   XBT_DEBUG("symmetrical=\"NO\">");
2103   SURFXML_BUFFER_SET(route_src, host_id);
2104   SURFXML_BUFFER_SET(route_dst, router_id);
2105   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
2106   SURFXML_START_TAG(route);
2107
2108   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
2109   SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
2110   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
2111   SURFXML_START_TAG(link_ctn);
2112   SURFXML_END_TAG(link_ctn);
2113
2114   XBT_DEBUG("</route>");
2115   SURFXML_END_TAG(route);
2116
2117   //Opposite Route
2118   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
2119   XBT_DEBUG("symmetrical=\"NO\">");
2120   SURFXML_BUFFER_SET(route_src, router_id);
2121   SURFXML_BUFFER_SET(route_dst, host_id);
2122   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
2123   SURFXML_START_TAG(route);
2124
2125   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
2126   SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
2127   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
2128   SURFXML_START_TAG(link_ctn);
2129   SURFXML_END_TAG(link_ctn);
2130
2131   XBT_DEBUG("</route>");
2132   SURFXML_END_TAG(route);
2133
2134   XBT_DEBUG("</AS>");
2135   SURFXML_END_TAG(AS);
2136   XBT_DEBUG(" ");
2137
2138   //xbt_dynar_free(&tab_elements_num);
2139         free(host_id);
2140         free(router_id);
2141         free(link_router);
2142         free(link_backbone);
2143         free(link_id_up);
2144         free(link_id_down);
2145   surfxml_bufferstack_pop(1);
2146 }
2147
2148 static void routing_parse_Srandom(void)
2149 {
2150           double mean, std, min, max, seed;
2151           char *random_id = A_surfxml_random_id;
2152           char *random_radical = A_surfxml_random_radical;
2153           char *rd_name = NULL;
2154           char *rd_value;
2155           surf_parse_get_double(&mean,A_surfxml_random_mean);
2156           surf_parse_get_double(&std,A_surfxml_random_std_deviation);
2157           surf_parse_get_double(&min,A_surfxml_random_min);
2158           surf_parse_get_double(&max,A_surfxml_random_max);
2159           surf_parse_get_double(&seed,A_surfxml_random_seed);
2160
2161           double res = 0;
2162           int i = 0;
2163           random_data_t random = xbt_new0(s_random_data_t, 1);
2164           char *tmpbuf;
2165
2166           xbt_dynar_t radical_elements;
2167           unsigned int iter;
2168           char *groups;
2169           int start, end;
2170           xbt_dynar_t radical_ends;
2171
2172           random->generator = A_surfxml_random_generator;
2173           random->seed = seed;
2174           random->min = min;
2175           random->max = max;
2176
2177           /* Check user stupidities */
2178           if (max < min)
2179             THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
2180           if (mean < min)
2181             THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean,
2182                    min);
2183           if (mean > max)
2184             THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean,
2185                    max);
2186
2187           /* normalize the mean and standard deviation before storing */
2188           random->mean = (mean - min) / (max - min);
2189           random->std = std / (max - min);
2190
2191           if (random->mean * (1 - random->mean) < random->std * random->std)
2192             THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
2193                    random->mean, random->std);
2194
2195           XBT_DEBUG("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
2196           random_id,
2197           random->min,
2198           random->max,
2199           random->mean,
2200           random->std,
2201           random->generator,
2202           random->seed,
2203           random_radical);
2204
2205           if(xbt_dict_size(random_value)==0)
2206                   random_value = xbt_dict_new();
2207
2208           if(!strcmp(random_radical,""))
2209           {
2210                   res = random_generate(random);
2211                   rd_value = bprintf("%f",res);
2212                   xbt_dict_set(random_value, random_id, rd_value, free);
2213           }
2214           else
2215           {
2216                   radical_elements = xbt_str_split(random_radical, ",");
2217                   xbt_dynar_foreach(radical_elements, iter, groups) {
2218                         radical_ends = xbt_str_split(groups, "-");
2219                         switch (xbt_dynar_length(radical_ends)) {
2220                         case 1:
2221                                           xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",random_id);
2222                                           res = random_generate(random);
2223                                           tmpbuf = bprintf("%s%d",random_id,atoi(xbt_dynar_getfirst_as(radical_ends,char *)));
2224                                           xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
2225                                           xbt_free(tmpbuf);
2226                                           break;
2227
2228                         case 2:   surf_parse_get_int(&start,
2229                                                                                  xbt_dynar_get_as(radical_ends, 0, char *));
2230                                           surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
2231                                           for (i = start; i <= end; i++) {
2232                                                   xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",bprintf("%s%d",random_id,i));
2233                                                   res = random_generate(random);
2234                           tmpbuf = bprintf("%s%d",random_id,i);
2235                                                   xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
2236                           xbt_free(tmpbuf);
2237                                           }
2238                                           break;
2239                         default:
2240                                 XBT_INFO("Malformed radical");
2241                         }
2242                         res = random_generate(random);
2243                         rd_name  = bprintf("%s_router",random_id);
2244                         rd_value = bprintf("%f",res);
2245                         xbt_dict_set(random_value, rd_name, rd_value, free);
2246
2247                         xbt_dynar_free(&radical_ends);
2248                   }
2249                   free(rd_name);
2250                   xbt_dynar_free(&radical_elements);
2251           }
2252 }
2253
2254 static void routing_parse_Erandom(void)
2255 {
2256         xbt_dict_cursor_t cursor = NULL;
2257         char *key;
2258         char *elem;
2259
2260         xbt_dict_foreach(random_value, cursor, key, elem) {
2261           XBT_DEBUG("%s = %s",key,elem);
2262         }
2263
2264 }
2265
2266
2267 /*
2268  * New methods to init the routing model component from the lua script
2269  */
2270
2271 /*
2272  * calling parse_S_AS_lua with lua values
2273  */
2274 void routing_AS_init(const char *AS_id, const char *AS_routing)
2275 {
2276   parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
2277 }
2278
2279 /*
2280  * calling parse_E_AS_lua to fisnish the creation of routing component
2281  */
2282 void routing_AS_end(const char *AS_id)
2283 {
2284   parse_E_AS_lua((char *) AS_id);
2285 }
2286
2287 /*
2288  * add a host to the network element list
2289  */
2290
2291 void routing_add_host(const char *host_id)
2292 {
2293   parse_S_host_lua((char *) host_id, (char*)""); // FIXME propagate coordinate system to lua
2294 }
2295
2296 /*
2297  * Set a new link on the actual list of link for a route or ASroute
2298  */
2299 void routing_add_link(const char *link_id)
2300 {
2301   parse_E_link_c_ctn_new_elem_lua((char *) link_id);
2302 }
2303
2304 /*
2305  *Set the endpoints for a route
2306  */
2307 void routing_set_route(const char *src_id, const char *dst_id)
2308 {
2309   parse_S_route_new_and_endpoints_lua(src_id, dst_id);
2310 }
2311
2312 /*
2313  * Store the route by calling parse_E_route_store_route
2314  */
2315 void routing_store_route(void)
2316 {
2317   parse_E_route_store_route();
2318 }