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 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
 586   routing_component_t src_as, dst_as;
 587   routing_component_t path_src[ELEMENTS_FATHER_MAXDEPTH];
 588   routing_component_t path_dst[ELEMENTS_FATHER_MAXDEPTH];
 589   int index_src = 0;
 590   int index_dst = 0;
 591   routing_component_t current;
 592   routing_component_t current_src;
 593   routing_component_t current_dst;
 594   routing_component_t father;
 595
 596   /* (1) find the as where the src and dst are located */
 597   network_element_info_t src_data = xbt_lib_get_or_null(host_lib, src,
 598                                                         ROUTING_HOST_LEVEL);
 599   network_element_info_t dst_data = xbt_lib_get_or_null(host_lib, dst,
 600                                                         ROUTING_HOST_LEVEL);
 601   if (!src_data)
 602     src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
 603   if (!dst_data)
 604     dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
 605   src_as = src_data->rc_component;
 606   dst_as = dst_data->rc_component;
 607
 608   xbt_assert(src_as && dst_as,
 609              "Ask for route \"from\"(%s) or \"to\"(%s) no found", src, dst);
 610
 611   /* (2) find the path to the root routing component */
 612   for (current = src_as ; current != NULL ; current = current->routing_father) {
 613     path_src[index_src++] = current;
 614     xbt_assert(index_src <= ELEMENTS_FATHER_MAXDEPTH,
 615                "ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
 616   }
 617   for (current = dst_as ; current != NULL ; current = current->routing_father) {
 618     path_dst[index_dst++] = current;
 619     xbt_assert(index_dst <= ELEMENTS_FATHER_MAXDEPTH,
 620                "ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
 621   }
 622
 623   /* (3) find the common father */
 624   do {
 625     current_src = path_src[--index_src];
 626     current_dst = path_dst[--index_dst];
 627   } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
 628
 629   /* (4) they are not in the same routing component, make the path */
 630   if (current_src == current_dst)
 631     father = current_src;
 632   else
 633     father = path_src[index_src + 1];
 634
 635   /* (5) result generation */
 636   *res_father = father;         /* first the common father of src and dst */
 637   *res_src = current_src;       /* second the first different father of src */
 638   *res_dst = current_dst;       /* three  the first different father of dst */
 639
 640 #undef ELEMENTS_FATHER_MAXDEPTH
 641 }
 642
 643 /* Global Business methods */
 644
 645 /**
 646  * \brief Recursive function for get_route
 647  *
 648  * \param src the source host name
 649  * \param dst the destination host name
 650  * \param *e_route the route where the links are stored
 651  *
 652  * This function is called by "get_route". It allows to walk recursively
 653  * through the routing components tree.
 654  */
 655 static void _get_route(const char *src, const char *dst,route_extended_t *e_route)
 656 {
 657   XBT_DEBUG("Solve route  \"%s\" to \"%s\"", src, dst);
 658   xbt_assert(src && dst, "bad parameters for \"_get_route\" method");
 659
 660   routing_component_t common_father;
 661   routing_component_t src_father;
 662   routing_component_t dst_father;
 663   elements_father(src, dst, &common_father, &src_father, &dst_father);
 664
 665   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
 666
 667         (*e_route) =
 668           (*(common_father->get_route)) (common_father, src, dst);
 669         xbt_assert((*e_route), "no route between \"%s\" and \"%s\"", src,
 670                           dst);
 671
 672   } else {                      /* SURF_ROUTING_RECURSIVE */
 673
 674         void *link;
 675         unsigned int cpt = 0;
 676
 677         route_extended_t e_route_cnt = NULL;
 678         route_extended_t e_route_src = NULL;
 679         route_extended_t e_route_dst = NULL;
 680     route_extended_t e_route_bypass = NULL;
 681
 682     (*e_route) = xbt_new0(s_route_extended_t, 1);
 683     (*e_route)->src_gateway = NULL;
 684     (*e_route)->dst_gateway = NULL;
 685     (*e_route)->generic_route.link_list =
 686         xbt_dynar_new(global_routing->size_of_link, NULL);
 687
 688     if (common_father->get_bypass_route)
 689       e_route_bypass =
 690           (*(common_father->get_bypass_route)) (common_father, src, dst);
 691
 692     if (e_route_bypass)
 693       e_route_cnt = e_route_bypass;
 694     else
 695       e_route_cnt =
 696           (*(common_father->get_route)) (common_father, src_father->name,
 697                                          dst_father->name);
 698
 699     xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
 700                 src_father->name, dst_father->name);
 701
 702     xbt_assert((e_route_cnt->src_gateway == NULL) ==
 703                 (e_route_cnt->dst_gateway == NULL),
 704                 "bad gateway for route between \"%s\" and \"%s\"", src,
 705                 dst);
 706
 707     if (strcmp(src, e_route_cnt->src_gateway)) {
 708       _get_route(src, e_route_cnt->src_gateway, &e_route_src);
 709       xbt_assert(e_route_src, "no route between \"%s\" and \"%s\"", src,
 710                   e_route_cnt->src_gateway);
 711       xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
 712         xbt_dynar_push((*e_route)->generic_route.link_list, &link);
 713       }
 714     }
 715
 716     xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 717       xbt_dynar_push((*e_route)->generic_route.link_list, &link);
 718     }
 719
 720     if (strcmp(e_route_cnt->dst_gateway, dst)) {
 721       _get_route(e_route_cnt->dst_gateway, dst, &e_route_dst);
 722       xbt_assert(e_route_dst, "no route between \"%s\" and \"%s\"",
 723                   e_route_cnt->dst_gateway, dst);
 724       xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
 725         xbt_dynar_push((*e_route)->generic_route.link_list, &link);
 726       }
 727     }
 728
 729     (*e_route)->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
 730     (*e_route)->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
 731
 732     generic_free_extended_route(e_route_src);
 733     generic_free_extended_route(e_route_cnt);
 734     generic_free_extended_route(e_route_dst);
 735   }
 736 }
 737
 738 static double _get_latency(const char *src, const char *dst)
 739 {
 740   double latency, latency_src, latency_dst = 0.0;
 741
 742   XBT_DEBUG("Solve route  \"%s\" to \"%s\"", src, dst);
 743   xbt_assert(src && dst, "bad parameters for \"_get_route\" method");
 744
 745   route_extended_t e_route_cnt;
 746
 747   routing_component_t common_father;
 748   routing_component_t src_father;
 749   routing_component_t dst_father;
 750   elements_father(src, dst, &common_father, &src_father, &dst_father);
 751
 752   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
 753
 754       latency =
 755           (*(common_father->get_latency)) (common_father, src, dst, NULL);
 756       xbt_assert(latency>=0, "no route between \"%s\" and \"%s\"", src,
 757                   dst);
 758
 759   } else {                      /* SURF_ROUTING_RECURSIVE */
 760      route_extended_t e_route_bypass = NULL;
 761     if (common_father->get_bypass_route)
 762       e_route_bypass =
 763           (*(common_father->get_bypass_route)) (common_father, src, dst);
 764
 765     xbt_assert(!e_route_bypass,"Bypass cannot work yet with get_latency");
 766
 767     e_route_cnt =
 768           (*(common_father->get_route)) (common_father, src_father->name,
 769                                          dst_father->name);
 770
 771     xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
 772                 src_father->name, dst_father->name);
 773
 774     xbt_assert((e_route_cnt->src_gateway == NULL) ==
 775                 (e_route_cnt->dst_gateway == NULL),
 776                 "bad gateway for route between \"%s\" and \"%s\"", src,
 777                 dst);
 778
 779     latency = (*(common_father->get_latency)) (common_father, src_father->name, dst_father->name, e_route_cnt);
 780
 781     xbt_assert(latency>=0, "no route between \"%s\" and \"%s\"",
 782                 src_father->name, dst_father->name);
 783
 784     if (strcmp(src,e_route_cnt->src_gateway)) {
 785
 786       latency_src = _get_latency(src, e_route_cnt->src_gateway);
 787       xbt_assert(latency_src>=0, "no route between \"%s\" and \"%s\"", src,
 788                   e_route_cnt->src_gateway);
 789       latency += latency_src;
 790     }
 791
 792     if (strcmp(e_route_cnt->dst_gateway,dst)) {
 793
 794       latency_dst = _get_latency(e_route_cnt->dst_gateway, dst);
 795       xbt_assert(latency_dst>=0, "no route between \"%s\" and \"%s\"",
 796                   e_route_cnt->dst_gateway, dst);
 797       latency += latency_dst;
 798     }
 799
 800   }
 801
 802   return latency;
 803 }
 804
 805 /**
 806  * \brief Generic method: find a route between hosts
 807  *
 808  * \param src the source host name
 809  * \param dst the destination host name
 810  *
 811  * walk through the routing components tree and find a route between hosts
 812  * by calling the differents "get_route" functions in each routing component.
 813  * No need to free the returned dynar. It will be freed at the next call.
 814  */
 815 static xbt_dynar_t get_route(const char *src, const char *dst)
 816 {
 817
 818   route_extended_t e_route = NULL;
 819
 820   _get_route(src, dst, &e_route);
 821   xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst);
 822
 823   if (global_routing->last_route)
 824     xbt_dynar_free(&(global_routing->last_route));
 825   global_routing->last_route = e_route->generic_route.link_list;
 826
 827   if (e_route->src_gateway)
 828     xbt_free(e_route->src_gateway);
 829   if (e_route->dst_gateway)
 830     xbt_free(e_route->dst_gateway);
 831
 832   xbt_free(e_route);
 833
 834   return global_routing->last_route;
 835 }
 836
 837 /**
 838  * \brief Generic method: find a route between hosts
 839  *
 840  * \param src the source host name
 841  * \param dst the destination host name
 842  *
 843  * walk through the routing components tree and find a route between hosts
 844  * by calling the differents "get_route" functions in each routing component.
 845  * Leaves the caller the responsability to clean the returned dynar.
 846  */
 847 static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
 848 {
 849         xbt_dynar_t d = get_route(src,dst);
 850         global_routing->last_route = NULL;
 851         return d;
 852 }
 853
 854 /*Get Latency*/
 855 static double get_latency(const char *src, const char *dst)
 856 {
 857
 858   double latency = -1.0;
 859   latency = _get_latency(src, dst);
 860   xbt_assert(latency>=0.0, "no route between \"%s\" and \"%s\"", src, dst);
 861   return latency;
 862 }
 863
 864 /**
 865  * \brief Recursive function for finalize
 866  *
 867  * \param rc the source host name
 868  *
 869  * This fuction is call by "finalize". It allow to finalize the
 870  * AS or routing components. It delete all the structures.
 871  */
 872 static void _finalize(routing_component_t rc)
 873 {
 874   if (rc) {
 875     xbt_dict_cursor_t cursor = NULL;
 876     char *key;
 877     routing_component_t elem;
 878     xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
 879       _finalize(elem);
 880     }
 881     xbt_dict_t tmp_sons = rc->routing_sons;
 882     char *tmp_name = rc->name;
 883     xbt_dict_free(&tmp_sons);
 884     xbt_free(tmp_name);
 885     xbt_assert(rc->finalize, "no defined method \"finalize\" in \"%s\"",
 886                 current_routing->name);
 887     (*(rc->finalize)) (rc);
 888   }
 889 }
 890
 891 /**
 892  * \brief Generic method: delete all the routing structures
 893  *
 894  * walk through the routing components tree and delete the structures
 895  * by calling the differents "finalize" functions in each routing component
 896  */
 897 static void finalize(void)
 898 {
 899   /* delete recursibly all the tree */
 900   _finalize(global_routing->root);
 901   /* delete last_route */
 902   xbt_dynar_free(&(global_routing->last_route));
 903   /* delete global routing structure */
 904   xbt_free(global_routing);
 905 }
 906
 907 static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
 908 {
 909   xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
 910
 911   //adding my one link routes
 912   unsigned int cpt;
 913   void *link;
 914   xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
 915   if (onelink_mine) {
 916     xbt_dynar_foreach(onelink_mine, cpt, link) {
 917       xbt_dynar_push(ret, &link);
 918     }
 919   }
 920   //recursing
 921   char *key;
 922   xbt_dict_cursor_t cursor = NULL;
 923   routing_component_t rc_child;
 924   xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
 925     xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
 926     if (onelink_child) {
 927       xbt_dynar_foreach(onelink_child, cpt, link) {
 928         xbt_dynar_push(ret, &link);
 929       }
 930     }
 931   }
 932   return ret;
 933 }
 934
 935 static xbt_dynar_t get_onelink_routes(void)
 936 {
 937   return recursive_get_onelink_routes(global_routing->root);
 938 }
 939
 940 e_surf_network_element_type_t get_network_element_type(const char
 941                                                               *name)
 942 {
 943   network_element_info_t rc = NULL;
 944
 945   rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
 946   if(rc) return rc->rc_type;
 947
 948   rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
 949   if(rc) return rc->rc_type;
 950
 951   return SURF_NETWORK_ELEMENT_NULL;
 952 }
 953
 954 /**
 955  * \brief Generic method: create the global routing schema
 956  *
 957  * Make a global routing structure and set all the parsing functions.
 958  */
 959 void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_t get_link_latency_fun)
 960 {
 961   /* config the uniq global routing */
 962   global_routing = xbt_new0(s_routing_global_t, 1);
 963   global_routing->root = NULL;
 964   global_routing->get_route = get_route;
 965   global_routing->get_latency = get_latency;
 966   global_routing->get_route_no_cleanup = get_route_no_cleanup;
 967   global_routing->get_onelink_routes = get_onelink_routes;
 968   global_routing->get_network_element_type = get_network_element_type;
 969   global_routing->finalize = finalize;
 970   global_routing->loopback = loopback;
 971   global_routing->size_of_link = size_of_links;
 972   global_routing->last_route = NULL;
 973   get_link_latency = get_link_latency_fun;
 974   /* no current routing at moment */
 975   current_routing = NULL;
 976
 977   /* parse generic elements */
 978   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
 979   surfxml_add_callback(ETag_surfxml_host_cb_list, &parse_E_host_XML);
 980   surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router_XML);
 981
 982   surfxml_add_callback(STag_surfxml_route_cb_list,
 983                        &parse_S_route_new_and_endpoints_XML);
 984   surfxml_add_callback(STag_surfxml_ASroute_cb_list,
 985                        &parse_S_ASroute_new_and_endpoints);
 986   surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
 987                        &parse_S_bypassRoute_new_and_endpoints);
 988
 989   surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
 990                        &parse_E_link_ctn_new_elem_XML);
 991
 992   surfxml_add_callback(ETag_surfxml_route_cb_list,
 993                        &parse_E_route_store_route);
 994   surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
 995                        &parse_E_ASroute_store_route);
 996   surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
 997                        &parse_E_bypassRoute_store_route);
 998
 999   surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
1000   surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
1001
1002   surfxml_add_callback(STag_surfxml_cluster_cb_list,
1003                        &routing_parse_Scluster);
1004
1005   surfxml_add_callback(STag_surfxml_peer_cb_list,
1006                          &routing_parse_Speer);
1007
1008   surfxml_add_callback(ETag_surfxml_platform_cb_list,
1009                                                   &clean_dict_random);
1010
1011 #ifdef HAVE_TRACING
1012   instr_routing_define_callbacks();
1013 #endif
1014 }
1015
1016 void surf_parse_add_callback_config(void)
1017 {
1018         surfxml_add_callback(STag_surfxml_config_cb_list, &routing_parse_Sconfig);
1019         surfxml_add_callback(ETag_surfxml_config_cb_list, &routing_parse_Econfig);
1020         surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties_XML);
1021         surfxml_add_callback(STag_surfxml_AS_cb_list, &surf_parse_models_setup);
1022         surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
1023 }
1024
1025 void surf_parse_models_setup()
1026 {
1027         routing_parse_Erandom();
1028         surfxml_del_callback(STag_surfxml_AS_cb_list, surf_parse_models_setup);
1029         surf_config_models_setup(platform_filename);
1030         free(platform_filename);
1031 }
1032
1033 /* ************************************************** */
1034 /* ********** PATERN FOR NEW ROUTING **************** */
1035
1036 /* The minimal configuration of a new routing model need the next functions,
1037  * also you need to set at the start of the file, the new model in the model
1038  * list. Remember keep the null ending of the list.
1039  */
1040 /*** Routing model structure ***/
1041 // typedef struct {
1042 //   s_routing_component_t generic_routing;
1043 //   /* things that your routing model need */
1044 // } s_routing_component_NEW_t,*routing_component_NEW_t;
1045
1046 /*** Parse routing model functions ***/
1047 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
1048 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
1049 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
1050 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
1051 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
1052
1053 /*** Business methods ***/
1054 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1055 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
1056 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
1057
1058 /*** Creation routing model functions ***/
1059 // static void* model_NEW_create(void) {
1060 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
1061 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
1062 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
1063 //   new_component->generic_routing.set_route = model_NEW_set_route;
1064 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
1065 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
1066 //   new_component->generic_routing.get_route = NEW_get_route;
1067 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
1068 //   new_component->generic_routing.finalize = NEW_finalize;
1069 //   /* initialization of internal structures */
1070 //   return new_component;
1071 // } /* mandatory */
1072 // static void  model_NEW_load(void) {}   /* mandatory */
1073 // static void  model_NEW_unload(void) {} /* mandatory */
1074 // static void  model_NEW_end(void) {}    /* mandatory */
1075
1076 /* ************************************************************************** */
1077 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
1078
1079 void generic_set_processing_unit(routing_component_t rc,
1080                                         const char *name)
1081 {
1082   XBT_DEBUG("Load process unit \"%s\"", name);
1083   int *id = xbt_new0(int, 1);
1084   xbt_dict_t _to_index;
1085   _to_index = current_routing->to_index;
1086   *id = xbt_dict_length(_to_index);
1087   xbt_dict_set(_to_index, name, id, xbt_free);
1088 }
1089
1090 void generic_set_autonomous_system(routing_component_t rc,
1091                                           const char *name)
1092 {
1093   XBT_DEBUG("Load Autonomous system \"%s\"", name);
1094   int *id = xbt_new0(int, 1);
1095   xbt_dict_t _to_index;
1096   _to_index = current_routing->to_index;
1097   *id = xbt_dict_length(_to_index);
1098   xbt_dict_set(_to_index, name, id, xbt_free);
1099 }
1100
1101 int surf_pointer_resource_cmp(const void *a, const void *b)
1102 {
1103   return a != b;
1104 }
1105
1106 int surf_link_resource_cmp(const void *a, const void *b)
1107 {
1108   return !!memcmp(a,b,global_routing->size_of_link);
1109 }
1110
1111 void generic_set_bypassroute(routing_component_t rc,
1112                                     const char *src, const char *dst,
1113                                     route_extended_t e_route)
1114 {
1115   XBT_DEBUG("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
1116   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
1117   char *route_name;
1118
1119   route_name = bprintf("%s#%s", src, dst);
1120   xbt_assert(xbt_dynar_length(e_route->generic_route.link_list) > 0,
1121               "Invalid count of links, must be greater than zero (%s,%s)",
1122               src, dst);
1123   xbt_assert(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
1124               "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exists",
1125               src, e_route->src_gateway, dst, e_route->dst_gateway);
1126
1127   route_extended_t new_e_route =
1128       generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
1129   xbt_dynar_free(&(e_route->generic_route.link_list));
1130   xbt_free(e_route);
1131
1132   xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
1133                (void (*)(void *)) generic_free_extended_route);
1134   xbt_free(route_name);
1135 }
1136
1137 /* ************************************************************************** */
1138 /* *********************** GENERIC BUSINESS METHODS ************************* */
1139
1140 double generic_get_link_latency(routing_component_t rc,
1141                                        const char *src, const char *dst,
1142                                        route_extended_t route)
1143 {
1144         int need_to_clean = route?0:1;
1145         void * link;
1146         unsigned int i;
1147         double latency = 0.0;
1148
1149         route = route?route:rc->get_route(rc,src,dst);
1150
1151         xbt_dynar_foreach(route->generic_route.link_list,i,link) {
1152                 latency += get_link_latency(link);
1153         }
1154         if(need_to_clean) generic_free_extended_route(route);
1155   return latency;
1156 }
1157
1158 xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
1159 {
1160   xbt_die("\"generic_get_onelink_routes\" not implemented yet");
1161 }
1162
1163 route_extended_t generic_get_bypassroute(routing_component_t rc,
1164                                                 const char *src,
1165                                                 const char *dst)
1166 {
1167   xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
1168   routing_component_t src_as, dst_as;
1169   int index_src, index_dst;
1170   xbt_dynar_t path_src = NULL;
1171   xbt_dynar_t path_dst = NULL;
1172   routing_component_t current = NULL;
1173   routing_component_t *current_src = NULL;
1174   routing_component_t *current_dst = NULL;
1175
1176   /* (1) find the as where the src and dst are located */
1177   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1178   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1179   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1180   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1181
1182   if(src_data == NULL || dst_data == NULL)
1183           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1184                      src, dst, rc->name);
1185
1186   src_as = ((network_element_info_t)src_data)->rc_component;
1187   dst_as = ((network_element_info_t)dst_data)->rc_component;
1188
1189   /* (2) find the path to the root routing component */
1190   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
1191   current = src_as;
1192   while (current != NULL) {
1193     xbt_dynar_push(path_src, &current);
1194     current = current->routing_father;
1195   }
1196   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
1197   current = dst_as;
1198   while (current != NULL) {
1199     xbt_dynar_push(path_dst, &current);
1200     current = current->routing_father;
1201   }
1202
1203   /* (3) find the common father */
1204   index_src = path_src->used - 1;
1205   index_dst = path_dst->used - 1;
1206   current_src = xbt_dynar_get_ptr(path_src, index_src);
1207   current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1208   while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
1209     routing_component_t *tmp_src, *tmp_dst;
1210     tmp_src = xbt_dynar_pop_ptr(path_src);
1211     tmp_dst = xbt_dynar_pop_ptr(path_dst);
1212     index_src--;
1213     index_dst--;
1214     current_src = xbt_dynar_get_ptr(path_src, index_src);
1215     current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
1216   }
1217
1218   int max_index_src = path_src->used - 1;
1219   int max_index_dst = path_dst->used - 1;
1220
1221   int max_index = max(max_index_src, max_index_dst);
1222   int i, max;
1223
1224   route_extended_t e_route_bypass = NULL;
1225
1226   for (max = 0; max <= max_index; max++) {
1227     for (i = 0; i < max; i++) {
1228       if (i <= max_index_src && max <= max_index_dst) {
1229         char *route_name = bprintf("%s#%s",
1230                                    (*(routing_component_t *)
1231                                     (xbt_dynar_get_ptr
1232                                      (path_src, i)))->name,
1233                                    (*(routing_component_t *)
1234                                     (xbt_dynar_get_ptr
1235                                      (path_dst, max)))->name);
1236         e_route_bypass =
1237             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1238         xbt_free(route_name);
1239       }
1240       if (e_route_bypass)
1241         break;
1242       if (max <= max_index_src && i <= max_index_dst) {
1243         char *route_name = bprintf("%s#%s",
1244                                    (*(routing_component_t *)
1245                                     (xbt_dynar_get_ptr
1246                                      (path_src, max)))->name,
1247                                    (*(routing_component_t *)
1248                                     (xbt_dynar_get_ptr
1249                                      (path_dst, i)))->name);
1250         e_route_bypass =
1251             xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1252         xbt_free(route_name);
1253       }
1254       if (e_route_bypass)
1255         break;
1256     }
1257
1258     if (e_route_bypass)
1259       break;
1260
1261     if (max <= max_index_src && max <= max_index_dst) {
1262       char *route_name = bprintf("%s#%s",
1263                                  (*(routing_component_t *)
1264                                   (xbt_dynar_get_ptr
1265                                    (path_src, max)))->name,
1266                                  (*(routing_component_t *)
1267                                   (xbt_dynar_get_ptr
1268                                    (path_dst, max)))->name);
1269       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
1270       xbt_free(route_name);
1271     }
1272     if (e_route_bypass)
1273       break;
1274   }
1275
1276   xbt_dynar_free(&path_src);
1277   xbt_dynar_free(&path_dst);
1278
1279   route_extended_t new_e_route = NULL;
1280
1281   if (e_route_bypass) {
1282     void *link;
1283     unsigned int cpt = 0;
1284     new_e_route = xbt_new0(s_route_extended_t, 1);
1285     new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
1286     new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
1287     new_e_route->generic_route.link_list =
1288         xbt_dynar_new(global_routing->size_of_link, NULL);
1289     xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
1290       xbt_dynar_push(new_e_route->generic_route.link_list, &link);
1291     }
1292   }
1293
1294   return new_e_route;
1295 }
1296
1297 /* ************************************************************************** */
1298 /* ************************* GENERIC AUX FUNCTIONS ************************** */
1299
1300 route_t
1301 generic_new_route(e_surf_routing_hierarchy_t hierarchy,
1302                            void *data, int order)
1303 {
1304
1305   char *link_name;
1306   route_t new_route;
1307   unsigned int cpt;
1308   xbt_dynar_t links = NULL, links_id = NULL;
1309
1310   new_route = xbt_new0(s_route_t, 1);
1311   new_route->link_list =
1312       xbt_dynar_new(global_routing->size_of_link, NULL);
1313
1314   xbt_assert(hierarchy == SURF_ROUTING_BASE,
1315               "the hierarchy type is not SURF_ROUTING_BASE");
1316
1317   links = ((route_t) data)->link_list;
1318
1319
1320   links_id = new_route->link_list;
1321
1322   xbt_dynar_foreach(links, cpt, link_name) {
1323
1324     void *link =
1325                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1326     if (link) {
1327       if (order)
1328         xbt_dynar_push(links_id, &link);
1329       else
1330         xbt_dynar_unshift(links_id, &link);
1331     } else
1332       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1333   }
1334
1335   return new_route;
1336 }
1337
1338 route_extended_t
1339 generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
1340                            void *data, int order)
1341 {
1342
1343   char *link_name;
1344   route_extended_t e_route, new_e_route;
1345   route_t route;
1346   unsigned int cpt;
1347   xbt_dynar_t links = NULL, links_id = NULL;
1348
1349   new_e_route = xbt_new0(s_route_extended_t, 1);
1350   new_e_route->generic_route.link_list =
1351       xbt_dynar_new(global_routing->size_of_link, NULL);
1352   new_e_route->src_gateway = NULL;
1353   new_e_route->dst_gateway = NULL;
1354
1355   xbt_assert(hierarchy == SURF_ROUTING_BASE
1356               || hierarchy == SURF_ROUTING_RECURSIVE,
1357               "the hierarchy type is not defined");
1358
1359   if (hierarchy == SURF_ROUTING_BASE) {
1360
1361     route = (route_t) data;
1362     links = route->link_list;
1363
1364   } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
1365
1366     e_route = (route_extended_t) data;
1367     xbt_assert(e_route->src_gateway
1368                 && e_route->dst_gateway, "bad gateway, is null");
1369     links = e_route->generic_route.link_list;
1370
1371     /* remeber not erase the gateway names */
1372     new_e_route->src_gateway = strdup(e_route->src_gateway);
1373     new_e_route->dst_gateway = strdup(e_route->dst_gateway);
1374   }
1375
1376   links_id = new_e_route->generic_route.link_list;
1377
1378   xbt_dynar_foreach(links, cpt, link_name) {
1379
1380     void *link =
1381                 xbt_lib_get_or_null(link_lib, link_name, SURF_LINK_LEVEL);
1382     if (link) {
1383       if (order)
1384         xbt_dynar_push(links_id, &link);
1385       else
1386         xbt_dynar_unshift(links_id, &link);
1387     } else
1388       THROWF(mismatch_error, 0, "Link %s not found", link_name);
1389   }
1390
1391   return new_e_route;
1392 }
1393
1394 void generic_free_route(route_t route)
1395 {
1396   if (route) {
1397     xbt_dynar_free(&(route->link_list));
1398     xbt_free(route);
1399   }
1400 }
1401
1402 void generic_free_extended_route(route_extended_t e_route)
1403 {
1404   if (e_route) {
1405     xbt_dynar_free(&(e_route->generic_route.link_list));
1406     if (e_route->src_gateway)
1407       xbt_free(e_route->src_gateway);
1408     if (e_route->dst_gateway)
1409       xbt_free(e_route->dst_gateway);
1410     xbt_free(e_route);
1411   }
1412 }
1413
1414 static routing_component_t generic_as_exist(routing_component_t find_from,
1415                                             routing_component_t to_find)
1416 {
1417   //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1418   xbt_dict_cursor_t cursor = NULL;
1419   char *key;
1420   int found = 0;
1421   routing_component_t elem;
1422   xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
1423     if (to_find == elem || generic_as_exist(elem, to_find)) {
1424       found = 1;
1425       break;
1426     }
1427   }
1428   if (found)
1429     return to_find;
1430   return NULL;
1431 }
1432
1433 routing_component_t
1434 generic_autonomous_system_exist(routing_component_t rc, char *element)
1435 {
1436   //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
1437   routing_component_t element_as, result, elem;
1438   xbt_dict_cursor_t cursor = NULL;
1439   char *key;
1440   element_as = ((network_element_info_t)
1441                 xbt_lib_get_or_null(as_router_lib, element, ROUTING_ASR_LEVEL))->rc_component;
1442   result = ((routing_component_t) - 1);
1443   if (element_as != rc)
1444     result = generic_as_exist(rc, element_as);
1445
1446   int found = 0;
1447   if (result) {
1448     xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
1449       found = !strcmp(elem->name, element);
1450       if (found)
1451         break;
1452     }
1453     if (found)
1454       return element_as;
1455   }
1456   return NULL;
1457 }
1458
1459 routing_component_t
1460 generic_processing_units_exist(routing_component_t rc, char *element)
1461 {
1462   routing_component_t element_as;
1463   element_as = ((network_element_info_t)
1464                 xbt_lib_get_or_null(host_lib,
1465                  element, ROUTING_HOST_LEVEL))->rc_component;
1466   if (element_as == rc)
1467     return element_as;
1468   return generic_as_exist(rc, element_as);
1469 }
1470
1471 void generic_src_dst_check(routing_component_t rc, const char *src,
1472                                   const char *dst)
1473 {
1474
1475   void * src_data = xbt_lib_get_or_null(host_lib,src, ROUTING_HOST_LEVEL);
1476   void * dst_data = xbt_lib_get_or_null(host_lib,dst, ROUTING_HOST_LEVEL);
1477   if(!src_data) src_data = xbt_lib_get_or_null(as_router_lib,src, ROUTING_ASR_LEVEL);
1478   if(!dst_data) dst_data = xbt_lib_get_or_null(as_router_lib,dst, ROUTING_ASR_LEVEL);
1479
1480   if(src_data == NULL || dst_data == NULL)
1481           xbt_die("Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
1482                      src, dst, rc->name);
1483
1484   routing_component_t src_as = ((network_element_info_t)src_data)->rc_component;
1485   routing_component_t dst_as = ((network_element_info_t)dst_data)->rc_component;
1486
1487   if(src_as != dst_as)
1488           xbt_die("The src(%s in %s) and dst(%s in %s) are in differents AS",
1489               src, src_as->name, dst, dst_as->name);
1490   if(rc != dst_as)
1491          xbt_die("The routing component of src'%s' and dst'%s' is not the same as the network elements belong (%s?=%s?=%s)",
1492      src,dst,src_as->name, dst_as->name,rc->name);
1493 }
1494
1495 static void routing_parse_Sconfig(void)
1496 {
1497   XBT_DEBUG("START configuration name = %s",A_surfxml_config_id);
1498 }
1499
1500 static void routing_parse_Econfig(void)
1501 {
1502   xbt_dict_cursor_t cursor = NULL;
1503   char *key;
1504   char *elem;
1505   char *cfg;
1506   xbt_dict_foreach(current_property_set, cursor, key, elem) {
1507           cfg = bprintf("%s:%s",key,elem);
1508           if(xbt_cfg_is_default_value(_surf_cfg_set, key))
1509                   xbt_cfg_set_parse(_surf_cfg_set, cfg);
1510           else
1511                   XBT_INFO("The custom configuration '%s' is already define by user!",key);
1512           free(cfg);
1513   }
1514   XBT_DEBUG("End configuration name = %s",A_surfxml_config_id);
1515 }
1516
1517 void routing_parse_Scluster(void)
1518 {
1519   static int AX_ptr = 0;
1520
1521   char *cluster_id = A_surfxml_cluster_id;
1522   char *cluster_prefix = A_surfxml_cluster_prefix;
1523   char *cluster_suffix = A_surfxml_cluster_suffix;
1524   char *cluster_radical = A_surfxml_cluster_radical;
1525   char *cluster_power = A_surfxml_cluster_power;
1526   char *cluster_core = A_surfxml_cluster_core;
1527   char *cluster_bw = A_surfxml_cluster_bw;
1528   char *cluster_lat = A_surfxml_cluster_lat;
1529   char *temp_cluster_bw = NULL;
1530   char *temp_cluster_lat = NULL;
1531   char *temp_cluster_power = NULL;
1532   char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
1533   char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
1534   char *cluster_availability_file = A_surfxml_cluster_availability_file;
1535   char *cluster_state_file = A_surfxml_cluster_state_file;
1536   char *host_id, *groups, *link_id = NULL;
1537   char *router_id, *link_backbone;
1538   char *availability_file = xbt_strdup(cluster_availability_file);
1539   char *state_file = xbt_strdup(cluster_state_file);
1540
1541   if(xbt_dict_size(patterns)==0)
1542           patterns = xbt_dict_new();
1543
1544   xbt_dict_set(patterns,"id",cluster_id,NULL);
1545   xbt_dict_set(patterns,"prefix",cluster_prefix,NULL);
1546   xbt_dict_set(patterns,"suffix",cluster_suffix,NULL);
1547
1548 #ifdef HAVE_PCRE_LIB
1549   char *route_src_dst;
1550 #endif
1551   unsigned int iter;
1552   int start, end, i;
1553   xbt_dynar_t radical_elements;
1554   xbt_dynar_t radical_ends;
1555   int cluster_sharing_policy = AX_surfxml_cluster_sharing_policy;
1556   int cluster_bb_sharing_policy = AX_surfxml_cluster_bb_sharing_policy;
1557
1558 #ifndef HAVE_PCRE_LIB
1559   xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
1560   char *route_src, *route_dst;
1561   int j;
1562 #endif
1563
1564   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
1565   static unsigned int surfxml_buffer_stack_stack[1024];
1566
1567   surfxml_buffer_stack_stack[0] = 0;
1568
1569   surfxml_bufferstack_push(1);
1570
1571   SURFXML_BUFFER_SET(AS_id, cluster_id);
1572 #ifdef HAVE_PCRE_LIB
1573   SURFXML_BUFFER_SET(AS_routing, "RuleBased");
1574   XBT_DEBUG("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
1575 #else
1576   SURFXML_BUFFER_SET(AS_routing, "Full");
1577   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
1578 #endif
1579   SURFXML_START_TAG(AS);
1580
1581   radical_elements = xbt_str_split(cluster_radical, ",");
1582   xbt_dynar_foreach(radical_elements, iter, groups) {
1583     radical_ends = xbt_str_split(groups, "-");
1584     switch (xbt_dynar_length(radical_ends)) {
1585     case 1:
1586       surf_parse_get_int(&start,
1587                          xbt_dynar_get_as(radical_ends, 0, char *));
1588       host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
1589 #ifndef HAVE_PCRE_LIB
1590       xbt_dynar_push_as(tab_elements_num, int, start);
1591 #endif
1592       link_id = bprintf("%s_link_%d", cluster_id, start);
1593
1594       xbt_dict_set(patterns, "radical", bprintf("%d", start), xbt_free);
1595       temp_cluster_power = xbt_strdup(cluster_power);
1596       temp_cluster_power = replace_random_parameter(temp_cluster_power);
1597       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
1598       A_surfxml_host_state = A_surfxml_host_state_ON;
1599       SURFXML_BUFFER_SET(host_id, host_id);
1600       SURFXML_BUFFER_SET(host_power, temp_cluster_power);
1601       SURFXML_BUFFER_SET(host_core, cluster_core);
1602       SURFXML_BUFFER_SET(host_availability, "1.0");
1603       SURFXML_BUFFER_SET(host_coordinates, "");
1604       xbt_free(availability_file);
1605       availability_file = xbt_strdup(cluster_availability_file);
1606       xbt_free(state_file);
1607       state_file = xbt_strdup(cluster_state_file);
1608       XBT_DEBUG("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
1609       XBT_DEBUG("\tstate_file=\"%s\"",xbt_str_varsubst(state_file,patterns));
1610       SURFXML_BUFFER_SET(host_availability_file, xbt_str_varsubst(availability_file,patterns));
1611       SURFXML_BUFFER_SET(host_state_file, xbt_str_varsubst(state_file,patterns));
1612       XBT_DEBUG("</host>");
1613       SURFXML_START_TAG(host);
1614       SURFXML_END_TAG(host);
1615
1616
1617       temp_cluster_bw = xbt_strdup(cluster_bw);
1618       temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1619       temp_cluster_lat = xbt_strdup(cluster_lat);
1620       temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1621       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
1622       A_surfxml_link_state = A_surfxml_link_state_ON;
1623       A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1624       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1625           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1626       if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1627           {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1628       SURFXML_BUFFER_SET(link_id, link_id);
1629       SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1630       SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1631       SURFXML_BUFFER_SET(link_bandwidth_file, "");
1632       SURFXML_BUFFER_SET(link_latency_file, "");
1633       SURFXML_BUFFER_SET(link_state_file, "");
1634       SURFXML_START_TAG(link);
1635       SURFXML_END_TAG(link);
1636
1637       xbt_free(temp_cluster_bw);
1638       xbt_free(temp_cluster_lat);
1639       xbt_free(temp_cluster_power);
1640       free(link_id);
1641       free(host_id);
1642       break;
1643
1644     case 2:
1645
1646       surf_parse_get_int(&start,
1647                          xbt_dynar_get_as(radical_ends, 0, char *));
1648       surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
1649       for (i = start; i <= end; i++) {
1650         host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
1651 #ifndef HAVE_PCRE_LIB
1652         xbt_dynar_push_as(tab_elements_num, int, i);
1653 #endif
1654         link_id = bprintf("%s_link_%d", cluster_id, i);
1655
1656         xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
1657         temp_cluster_power = xbt_strdup(cluster_power);
1658         temp_cluster_power = replace_random_parameter(temp_cluster_power);
1659         XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\">", host_id, temp_cluster_power);
1660         A_surfxml_host_state = A_surfxml_host_state_ON;
1661         SURFXML_BUFFER_SET(host_id, host_id);
1662         SURFXML_BUFFER_SET(host_power, temp_cluster_power);
1663         SURFXML_BUFFER_SET(host_core, cluster_core);
1664         SURFXML_BUFFER_SET(host_availability, "1.0");
1665         SURFXML_BUFFER_SET(host_coordinates, "");
1666         xbt_free(availability_file);
1667         availability_file = xbt_strdup(cluster_availability_file);
1668         xbt_free(state_file);
1669         state_file = xbt_strdup(cluster_state_file);
1670         XBT_DEBUG("\tavailability_file=\"%s\"",xbt_str_varsubst(availability_file,patterns));
1671         XBT_DEBUG("\tstate_file=\"%s\"",xbt_str_varsubst(state_file,patterns));
1672         SURFXML_BUFFER_SET(host_availability_file, xbt_str_varsubst(availability_file,patterns));
1673         SURFXML_BUFFER_SET(host_state_file, xbt_str_varsubst(state_file,patterns));
1674         XBT_DEBUG("</host>");
1675         SURFXML_START_TAG(host);
1676         SURFXML_END_TAG(host);
1677
1678         xbt_free(temp_cluster_power);
1679
1680         temp_cluster_bw = xbt_strdup(cluster_bw);
1681         temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1682         temp_cluster_lat = xbt_strdup(cluster_lat);
1683         temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1684         XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,temp_cluster_bw, cluster_lat);
1685         A_surfxml_link_state = A_surfxml_link_state_ON;
1686         A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1687         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1688             {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1689         if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1690             {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1691         SURFXML_BUFFER_SET(link_id, link_id);
1692         SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1693         SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1694         SURFXML_BUFFER_SET(link_bandwidth_file, "");
1695         SURFXML_BUFFER_SET(link_latency_file, "");
1696         SURFXML_BUFFER_SET(link_state_file, "");
1697         SURFXML_START_TAG(link);
1698         SURFXML_END_TAG(link);
1699
1700         xbt_free(temp_cluster_bw);
1701         xbt_free(temp_cluster_lat);
1702         free(link_id);
1703         free(host_id);
1704       }
1705       break;
1706
1707     default:
1708       XBT_DEBUG("Malformed radical");
1709     }
1710
1711     xbt_dynar_free(&radical_ends);
1712   }
1713   xbt_dynar_free(&radical_elements);
1714
1715   XBT_DEBUG(" ");
1716   router_id =
1717       bprintf("%s%s_router%s", cluster_prefix, cluster_id,
1718               cluster_suffix);
1719   //link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
1720   link_backbone = bprintf("%s_backbone", cluster_id);
1721
1722   XBT_DEBUG("<router id=\"%s\"/>", router_id);
1723   SURFXML_BUFFER_SET(router_id, router_id);
1724   SURFXML_BUFFER_SET(router_coordinates, "");
1725   SURFXML_START_TAG(router);
1726   SURFXML_END_TAG(router);
1727
1728   //TODO
1729 //  xbt_dict_set(patterns, "radical", xbt_strdup("_router"), xbt_free);
1730 //  temp_cluster_bw = xbt_strdup(cluster_bw);
1731 //  temp_cluster_bw = replace_random_parameter(temp_cluster_bw);
1732 //  temp_cluster_lat = xbt_strdup(cluster_lat);
1733 //  temp_cluster_lat = replace_random_parameter(temp_cluster_lat);
1734 //  XBT_DEBUG("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,temp_cluster_bw, temp_cluster_lat);
1735 //  A_surfxml_link_state = A_surfxml_link_state_ON;
1736 //  A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1737 //  if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1738 //  {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
1739 //  if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
1740 //  {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1741 //  SURFXML_BUFFER_SET(link_id, link_router);
1742 //  SURFXML_BUFFER_SET(link_bandwidth, temp_cluster_bw);
1743 //  SURFXML_BUFFER_SET(link_latency, temp_cluster_lat);
1744 //  SURFXML_BUFFER_SET(link_bandwidth_file, "");
1745 //  SURFXML_BUFFER_SET(link_latency_file, "");
1746 //  SURFXML_BUFFER_SET(link_state_file, "");
1747 //  SURFXML_START_TAG(link);
1748 //  SURFXML_END_TAG(link);
1749
1750 //  xbt_free(temp_cluster_bw);
1751 //  xbt_free(temp_cluster_lat);
1752
1753   XBT_DEBUG("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bb_bw, cluster_bb_lat);
1754   A_surfxml_link_state = A_surfxml_link_state_ON;
1755   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
1756   if(cluster_bb_sharing_policy == A_surfxml_cluster_bb_sharing_policy_FATPIPE)
1757   {A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FATPIPE;}
1758   SURFXML_BUFFER_SET(link_id, link_backbone);
1759   SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
1760   SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
1761   SURFXML_BUFFER_SET(link_bandwidth_file, "");
1762   SURFXML_BUFFER_SET(link_latency_file, "");
1763   SURFXML_BUFFER_SET(link_state_file, "");
1764   SURFXML_START_TAG(link);
1765   SURFXML_END_TAG(link);
1766
1767   XBT_DEBUG(" ");
1768
1769 #ifdef HAVE_PCRE_LIB
1770   char *new_suffix = xbt_strdup("");
1771
1772   radical_elements = xbt_str_split(cluster_suffix, ".");
1773   xbt_dynar_foreach(radical_elements, iter, groups) {
1774     if (strcmp(groups, "")) {
1775       char *old_suffix = new_suffix;
1776       new_suffix = bprintf("%s\\.%s", old_suffix, groups);
1777       free(old_suffix);
1778     }
1779   }
1780   route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
1781   xbt_dynar_free(&radical_elements);
1782   free(new_suffix);
1783
1784   char *pcre_link_src = bprintf("%s_link_$1src", cluster_id);
1785   char *pcre_link_backbone = bprintf("%s_backbone", cluster_id);
1786   char *pcre_link_dst = bprintf("%s_link_$1dst", cluster_id);
1787
1788   //from router to router
1789   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, router_id);
1790   XBT_DEBUG("symmetrical=\"NO\">");
1791   SURFXML_BUFFER_SET(route_src, router_id);
1792   SURFXML_BUFFER_SET(route_dst, router_id);
1793   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1794   SURFXML_START_TAG(route);
1795
1796   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1797   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1798   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1799   SURFXML_START_TAG(link_ctn);
1800   SURFXML_END_TAG(link_ctn);
1801
1802   XBT_DEBUG("</route>");
1803   SURFXML_END_TAG(route);
1804
1805   //from host to router
1806   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, router_id);
1807   XBT_DEBUG("symmetrical=\"NO\">");
1808   SURFXML_BUFFER_SET(route_src, route_src_dst);
1809   SURFXML_BUFFER_SET(route_dst, router_id);
1810   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1811   SURFXML_START_TAG(route);
1812
1813   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_src);
1814   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_src);
1815   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1816   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1817   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1818   SURFXML_START_TAG(link_ctn);
1819   SURFXML_END_TAG(link_ctn);
1820
1821   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1822   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1823   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1824   SURFXML_START_TAG(link_ctn);
1825   SURFXML_END_TAG(link_ctn);
1826
1827   XBT_DEBUG("</route>");
1828   SURFXML_END_TAG(route);
1829
1830   //from router to host
1831   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, route_src_dst);
1832   XBT_DEBUG("symmetrical=\"NO\">");
1833   SURFXML_BUFFER_SET(route_src, router_id);
1834   SURFXML_BUFFER_SET(route_dst, route_src_dst);
1835   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1836   SURFXML_START_TAG(route);
1837
1838   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1839   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1840   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1841   SURFXML_START_TAG(link_ctn);
1842   SURFXML_END_TAG(link_ctn);
1843
1844   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_dst);
1845   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_dst);
1846   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1847   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1848   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1849   SURFXML_START_TAG(link_ctn);
1850   SURFXML_END_TAG(link_ctn);
1851
1852   XBT_DEBUG("</route>");
1853   SURFXML_END_TAG(route);
1854
1855   //from host to host
1856   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, route_src_dst);
1857   XBT_DEBUG("symmetrical=\"NO\">");
1858   SURFXML_BUFFER_SET(route_src, route_src_dst);
1859   SURFXML_BUFFER_SET(route_dst, route_src_dst);
1860   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1861   SURFXML_START_TAG(route);
1862
1863   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_src);
1864   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_src);
1865   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1866   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1867   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1868   SURFXML_START_TAG(link_ctn);
1869   SURFXML_END_TAG(link_ctn);
1870
1871   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_backbone);
1872   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_backbone);
1873   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1874   SURFXML_START_TAG(link_ctn);
1875   SURFXML_END_TAG(link_ctn);
1876
1877   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", pcre_link_dst);
1878   SURFXML_BUFFER_SET(link_ctn_id, pcre_link_dst);
1879   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1880   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1881   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
1882   SURFXML_START_TAG(link_ctn);
1883   SURFXML_END_TAG(link_ctn);
1884
1885   XBT_DEBUG("</route>");
1886   SURFXML_END_TAG(route);
1887
1888   free(pcre_link_dst);
1889   free(pcre_link_backbone);
1890   free(pcre_link_src);
1891   free(route_src_dst);
1892 #else
1893   for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
1894     for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
1895       if (i == xbt_dynar_length(tab_elements_num)) {
1896         route_src = router_id;
1897       } else {
1898         route_src =
1899             bprintf("%s%d%s", cluster_prefix,
1900                     xbt_dynar_get_as(tab_elements_num, i, int),
1901                     cluster_suffix);
1902       }
1903
1904       if (j == xbt_dynar_length(tab_elements_num)) {
1905         route_dst = router_id;
1906       } else {
1907         route_dst =
1908             bprintf("%s%d%s", cluster_prefix,
1909                     xbt_dynar_get_as(tab_elements_num, j, int),
1910                     cluster_suffix);
1911       }
1912
1913       XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src, route_dst);
1914       XBT_DEBUG("symmetrical=\"NO\">");
1915       SURFXML_BUFFER_SET(route_src, route_src);
1916       SURFXML_BUFFER_SET(route_dst, route_dst);
1917       A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
1918       SURFXML_START_TAG(route);
1919
1920       if (i != xbt_dynar_length(tab_elements_num)){
1921           route_src =
1922                 bprintf("%s_link_%d", cluster_id,
1923                         xbt_dynar_get_as(tab_elements_num, i, int));
1924                   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", route_src);
1925                   SURFXML_BUFFER_SET(link_ctn_id, route_src);
1926                   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1927                   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1928                   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
1929                   SURFXML_START_TAG(link_ctn);
1930                   SURFXML_END_TAG(link_ctn);
1931                   free(route_src);
1932       }
1933
1934       XBT_DEBUG("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
1935       SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
1936       A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1937       SURFXML_START_TAG(link_ctn);
1938       SURFXML_END_TAG(link_ctn);
1939
1940       if (j != xbt_dynar_length(tab_elements_num)) {
1941           route_dst =
1942                 bprintf("%s_link_%d", cluster_id,
1943                         xbt_dynar_get_as(tab_elements_num, j, int));
1944                   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", route_dst);
1945                   SURFXML_BUFFER_SET(link_ctn_id, route_dst);
1946                   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
1947                   if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
1948                   {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
1949                   SURFXML_START_TAG(link_ctn);
1950                   SURFXML_END_TAG(link_ctn);
1951                   free(route_dst);
1952       }
1953
1954       XBT_DEBUG("</route>");
1955       SURFXML_END_TAG(route);
1956     }
1957   }
1958   xbt_dynar_free(&tab_elements_num);
1959
1960 #endif
1961
1962   free(router_id);
1963   free(link_backbone);
1964   //free(link_router);
1965   xbt_dict_free(&patterns);
1966   free(availability_file);
1967   free(state_file);
1968
1969   XBT_DEBUG("</AS>");
1970   SURFXML_END_TAG(AS);
1971   XBT_DEBUG(" ");
1972
1973   surfxml_bufferstack_pop(1);
1974 }
1975 /*
1976  * This function take a string and replace parameters from patterns dict.
1977  * It returns the new value.
1978  */
1979 static char* replace_random_parameter(char * string)
1980 {
1981   char *test_string = NULL;
1982
1983   if(xbt_dict_size(random_value)==0)
1984     return string;
1985
1986   string = xbt_str_varsubst(string, patterns); // for patterns of cluster
1987   test_string = bprintf("${%s}", string);
1988   test_string = xbt_str_varsubst(test_string,random_value); //Add ${xxxxx} for random Generator
1989
1990   if (strcmp(test_string,"")) { //if not empty, keep this value.
1991     xbt_free(string);
1992     string = test_string;
1993   } //In other case take old value (without ${})
1994   else
1995         free(test_string);
1996   return string;
1997 }
1998
1999 static void clean_dict_random(void)
2000 {
2001         xbt_dict_free(&random_value);
2002         xbt_dict_free(&patterns);
2003 }
2004
2005 static void routing_parse_Speer(void)
2006 {
2007   static int AX_ptr = 0;
2008
2009   char *peer_id = A_surfxml_peer_id;
2010   char *peer_power = A_surfxml_peer_power;
2011   char *peer_bw_in = A_surfxml_peer_bw_in;
2012   char *peer_bw_out = A_surfxml_peer_bw_out;
2013   char *peer_lat = A_surfxml_peer_lat;
2014   char *peer_coord = A_surfxml_peer_coordinates;
2015   char *peer_state_file = A_surfxml_peer_state_file;
2016   char *peer_availability_file = A_surfxml_peer_availability_file;
2017
2018   char *host_id = NULL;
2019   char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
2020
2021   static unsigned int surfxml_buffer_stack_stack_ptr = 1;
2022   static unsigned int surfxml_buffer_stack_stack[1024];
2023
2024   surfxml_buffer_stack_stack[0] = 0;
2025
2026   surfxml_bufferstack_push(1);
2027
2028   SURFXML_BUFFER_SET(AS_id, peer_id);
2029
2030   SURFXML_BUFFER_SET(AS_routing, "Full");
2031   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer_id);
2032
2033   SURFXML_START_TAG(AS);
2034
2035   XBT_DEBUG(" ");
2036   host_id = bprintf("peer_%s", peer_id);
2037   router_id = bprintf("router_%s", peer_id);
2038   link_id_up = bprintf("link_%s_up", peer_id);
2039   link_id_down = bprintf("link_%s_down", peer_id);
2040
2041   link_router = bprintf("%s_link_router", peer_id);
2042   link_backbone = bprintf("%s_backbone", peer_id);
2043
2044   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, peer_power);
2045   A_surfxml_host_state = A_surfxml_host_state_ON;
2046   SURFXML_BUFFER_SET(host_id, host_id);
2047   SURFXML_BUFFER_SET(host_power, peer_power);
2048   SURFXML_BUFFER_SET(host_availability, "1.0");
2049   SURFXML_BUFFER_SET(host_availability_file, peer_availability_file);
2050   SURFXML_BUFFER_SET(host_state_file, peer_state_file);
2051   SURFXML_BUFFER_SET(host_coordinates, "");
2052   SURFXML_START_TAG(host);
2053   SURFXML_END_TAG(host);
2054
2055   XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer_coord);
2056   SURFXML_BUFFER_SET(router_id, router_id);
2057   SURFXML_BUFFER_SET(router_coordinates, peer_coord);
2058   SURFXML_START_TAG(router);
2059   SURFXML_END_TAG(router);
2060
2061   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_up, peer_bw_in, peer_lat);
2062   A_surfxml_link_state = A_surfxml_link_state_ON;
2063   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2064   SURFXML_BUFFER_SET(link_id, link_id_up);
2065   SURFXML_BUFFER_SET(link_bandwidth, peer_bw_in);
2066   SURFXML_BUFFER_SET(link_latency, peer_lat);
2067   SURFXML_BUFFER_SET(link_bandwidth_file, "");
2068   SURFXML_BUFFER_SET(link_latency_file, "");
2069   SURFXML_BUFFER_SET(link_state_file, "");
2070   SURFXML_START_TAG(link);
2071   SURFXML_END_TAG(link);
2072
2073   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_down, peer_bw_out, peer_lat);
2074   A_surfxml_link_state = A_surfxml_link_state_ON;
2075   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2076   SURFXML_BUFFER_SET(link_id, link_id_down);
2077   SURFXML_BUFFER_SET(link_bandwidth, peer_bw_out);
2078   SURFXML_BUFFER_SET(link_latency, peer_lat);
2079   SURFXML_BUFFER_SET(link_bandwidth_file, "");
2080   SURFXML_BUFFER_SET(link_latency_file, "");
2081   SURFXML_BUFFER_SET(link_state_file, "");
2082   SURFXML_START_TAG(link);
2083   SURFXML_END_TAG(link);
2084
2085   XBT_DEBUG(" ");
2086
2087   // begin here
2088   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
2089   XBT_DEBUG("symmetrical=\"NO\">");
2090   SURFXML_BUFFER_SET(route_src, host_id);
2091   SURFXML_BUFFER_SET(route_dst, router_id);
2092   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
2093   SURFXML_START_TAG(route);
2094
2095   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
2096   SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
2097   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
2098   SURFXML_START_TAG(link_ctn);
2099   SURFXML_END_TAG(link_ctn);
2100
2101   XBT_DEBUG("</route>");
2102   SURFXML_END_TAG(route);
2103
2104   //Opposite Route
2105   XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
2106   XBT_DEBUG("symmetrical=\"NO\">");
2107   SURFXML_BUFFER_SET(route_src, router_id);
2108   SURFXML_BUFFER_SET(route_dst, host_id);
2109   A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
2110   SURFXML_START_TAG(route);
2111
2112   XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
2113   SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
2114   A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
2115   SURFXML_START_TAG(link_ctn);
2116   SURFXML_END_TAG(link_ctn);
2117
2118   XBT_DEBUG("</route>");
2119   SURFXML_END_TAG(route);
2120
2121   XBT_DEBUG("</AS>");
2122   SURFXML_END_TAG(AS);
2123   XBT_DEBUG(" ");
2124
2125   //xbt_dynar_free(&tab_elements_num);
2126         free(host_id);
2127         free(router_id);
2128         free(link_router);
2129         free(link_backbone);
2130         free(link_id_up);
2131         free(link_id_down);
2132   surfxml_bufferstack_pop(1);
2133 }
2134
2135 static void routing_parse_Srandom(void)
2136 {
2137           double mean, std, min, max, seed;
2138           char *random_id = A_surfxml_random_id;
2139           char *random_radical = A_surfxml_random_radical;
2140           char *rd_name = NULL;
2141           char *rd_value;
2142           surf_parse_get_double(&mean,A_surfxml_random_mean);
2143           surf_parse_get_double(&std,A_surfxml_random_std_deviation);
2144           surf_parse_get_double(&min,A_surfxml_random_min);
2145           surf_parse_get_double(&max,A_surfxml_random_max);
2146           surf_parse_get_double(&seed,A_surfxml_random_seed);
2147
2148           double res = 0;
2149           int i = 0;
2150           random_data_t random = xbt_new0(s_random_data_t, 1);
2151           char *tmpbuf;
2152
2153           xbt_dynar_t radical_elements;
2154           unsigned int iter;
2155           char *groups;
2156           int start, end;
2157           xbt_dynar_t radical_ends;
2158
2159           random->generator = A_surfxml_random_generator;
2160           random->seed = seed;
2161           random->min = min;
2162           random->max = max;
2163
2164           /* Check user stupidities */
2165           if (max < min)
2166             THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
2167           if (mean < min)
2168             THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean,
2169                    min);
2170           if (mean > max)
2171             THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean,
2172                    max);
2173
2174           /* normalize the mean and standard deviation before storing */
2175           random->mean = (mean - min) / (max - min);
2176           random->std = std / (max - min);
2177
2178           if (random->mean * (1 - random->mean) < random->std * random->std)
2179             THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
2180                    random->mean, random->std);
2181
2182           XBT_DEBUG("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
2183           random_id,
2184           random->min,
2185           random->max,
2186           random->mean,
2187           random->std,
2188           random->generator,
2189           random->seed,
2190           random_radical);
2191
2192           if(xbt_dict_size(random_value)==0)
2193                   random_value = xbt_dict_new();
2194
2195           if(!strcmp(random_radical,""))
2196           {
2197                   res = random_generate(random);
2198                   rd_value = bprintf("%f",res);
2199                   xbt_dict_set(random_value, random_id, rd_value, free);
2200           }
2201           else
2202           {
2203                   radical_elements = xbt_str_split(random_radical, ",");
2204                   xbt_dynar_foreach(radical_elements, iter, groups) {
2205                         radical_ends = xbt_str_split(groups, "-");
2206                         switch (xbt_dynar_length(radical_ends)) {
2207                         case 1:
2208                                           xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",random_id);
2209                                           res = random_generate(random);
2210                                           tmpbuf = bprintf("%s%d",random_id,atoi(xbt_dynar_getfirst_as(radical_ends,char *)));
2211                                           xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
2212                                           xbt_free(tmpbuf);
2213                                           break;
2214
2215                         case 2:   surf_parse_get_int(&start,
2216                                                                                  xbt_dynar_get_as(radical_ends, 0, char *));
2217                                           surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
2218                                           for (i = start; i <= end; i++) {
2219                                                   xbt_assert(!xbt_dict_get_or_null(random_value,random_id),"Custom Random '%s' already exists !",bprintf("%s%d",random_id,i));
2220                                                   res = random_generate(random);
2221                           tmpbuf = bprintf("%s%d",random_id,i);
2222                                                   xbt_dict_set(random_value, tmpbuf, bprintf("%f",res), free);
2223                           xbt_free(tmpbuf);
2224                                           }
2225                                           break;
2226                         default:
2227                                 XBT_INFO("Malformed radical");
2228                         }
2229                         res = random_generate(random);
2230                         rd_name  = bprintf("%s_router",random_id);
2231                         rd_value = bprintf("%f",res);
2232                         xbt_dict_set(random_value, rd_name, rd_value, free);
2233
2234                         xbt_dynar_free(&radical_ends);
2235                   }
2236                   free(rd_name);
2237                   xbt_dynar_free(&radical_elements);
2238           }
2239 }
2240
2241 static void routing_parse_Erandom(void)
2242 {
2243         xbt_dict_cursor_t cursor = NULL;
2244         char *key;
2245         char *elem;
2246
2247         xbt_dict_foreach(random_value, cursor, key, elem) {
2248           XBT_DEBUG("%s = %s",key,elem);
2249         }
2250
2251 }
2252
2253
2254 /*
2255  * New methods to init the routing model component from the lua script
2256  */
2257
2258 /*
2259  * calling parse_S_AS_lua with lua values
2260  */
2261 void routing_AS_init(const char *AS_id, const char *AS_routing)
2262 {
2263   parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
2264 }
2265
2266 /*
2267  * calling parse_E_AS_lua to fisnish the creation of routing component
2268  */
2269 void routing_AS_end(const char *AS_id)
2270 {
2271   parse_E_AS_lua((char *) AS_id);
2272 }
2273
2274 /*
2275  * add a host to the network element list
2276  */
2277
2278 void routing_add_host(const char *host_id)
2279 {
2280   parse_S_host_lua((char *) host_id, (char*)""); // FIXME propagate coordinate system to lua
2281 }
2282
2283 /*
2284  * Set a new link on the actual list of link for a route or ASroute
2285  */
2286 void routing_add_link(const char *link_id)
2287 {
2288   parse_E_link_c_ctn_new_elem_lua((char *) link_id);
2289 }
2290
2291 /*
2292  *Set the endpoints for a route
2293  */
2294 void routing_set_route(const char *src_id, const char *dst_id)
2295 {
2296   parse_S_route_new_and_endpoints_lua(src_id, dst_id);
2297 }
2298
2299 /*
2300  * Store the route by calling parse_E_route_store_route
2301  */
2302 void routing_store_route(void)
2303 {
2304   parse_E_route_store_route();
2305 }