src/surf/surf_routing.c

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