src/surf/surf_routing.c

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