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
   8
   9 #include <float.h>
  10 #include "gras_config.h"
  11
  12 #ifdef HAVE_PCRE_LIB
  13         #include <pcre.h> /* regular expresion library */
  14 #endif
  15 #include "surf_private.h"
  16 #include "xbt/dynar.h"
  17 #include "xbt/str.h"
  18 #include "xbt/config.h"
  19 #include "xbt/graph.h"
  20 #include "xbt/set.h"
  21
  22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf");
  23
  24 /* Global vars */
  25 routing_global_t global_routing = NULL;
  26 routing_component_t current_routing = NULL;
  27 model_type_t current_routing_model = NULL;
  28
  29 /* Prototypes of each model */
  30 static void* model_full_create(void); /* create structures for full routing model */
  31 static void  model_full_load(void);   /* load parse functions for full routing model */
  32 static void  model_full_unload(void); /* unload parse functions for full routing model */
  33 static void  model_full_end(void);    /* finalize the creation of full routing model */
  34
  35 static void* model_floyd_create(void); /* create structures for floyd routing model */
  36 static void  model_floyd_load(void);   /* load parse functions for floyd routing model */
  37 static void  model_floyd_unload(void); /* unload parse functions for floyd routing model */
  38 static void  model_floyd_end(void);    /* finalize the creation of floyd routing model */
  39
  40 static void* model_dijkstra_both_create(int cached); /* create by calling dijkstra or dijkstracache */
  41 static void* model_dijkstra_create(void);      /* create structures for dijkstra routing model */
  42 static void* model_dijkstracache_create(void); /* create structures for dijkstracache routing model */
  43 static void  model_dijkstra_both_load(void);   /* load parse functions for dijkstra routing model */
  44 static void  model_dijkstra_both_unload(void); /* unload parse functions for dijkstra routing model */
  45 static void  model_dijkstra_both_end(void);    /* finalize the creation of dijkstra routing model */
  46
  47 static void* model_rulebased_create(void); /* create structures for rulebased routing model */
  48 static void  model_rulebased_load(void);   /* load parse functions for rulebased routing model */
  49 static void  model_rulebased_unload(void); /* unload parse functions for rulebased routing model */
  50 static void  model_rulebased_end(void);    /* finalize the creation of rulebased routing model */
  51
  52 static void* model_none_create(void); /* none routing model */
  53 static void  model_none_load(void);   /* none routing model */
  54 static void  model_none_unload(void); /* none routing model */
  55 static void  model_none_end(void);    /* none routing model */
  56
  57 static void routing_full_parse_Scluster(void);/*cluster bypass*/
  58
  59 /* this lines are only for replace use like index in the model table */
  60 typedef enum {
  61         SURF_MODEL_FULL=0,
  62         SURF_MODEL_FLOYD,
  63         SURF_MODEL_DIJKSTRA,
  64         SURF_MODEL_DIJKSTRACACHE,
  65         SURF_MODEL_NONE,
  66 #ifdef HAVE_PCRE_LIB
  67         SURF_MODEL_RULEBASED
  68 #endif
  69 } e_routing_types;
  70
  71
  72 /* must be finish with null and carefull if change de order */
  73 struct s_model_type routing_models[] =
  74 { {"Full", "Full routing data (fast, large memory requirements, fully expressive)",
  75   model_full_create, model_full_load, model_full_unload, model_full_end },
  76   {"Floyd", "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
  77   model_floyd_create, model_floyd_load, model_floyd_unload, model_floyd_end },
  78   {"Dijkstra", "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
  79   model_dijkstra_create ,model_dijkstra_both_load, model_dijkstra_both_unload, model_dijkstra_both_end },
  80   {"DijkstraCache", "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
  81   model_dijkstracache_create, model_dijkstra_both_load, model_dijkstra_both_unload, model_dijkstra_both_end },
  82   {"none", "No routing (usable with Constant network only)",
  83   model_none_create, model_none_load, model_none_unload, model_none_end },
  84 #ifdef HAVE_PCRE_LIB
  85   {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create, model_rulebased_load, model_rulebased_unload, model_rulebased_end },
  86 #endif
  87   {NULL,NULL,NULL,NULL,NULL,NULL}};
  88
  89 /* ************************************************************************** */
  90 /* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
  91
  92 static void generic_set_processing_unit(routing_component_t rc, const char* name);
  93 static void generic_set_autonomous_system(routing_component_t rc, const char* name);
  94 static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route);
  95 static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route);
  96 static void generic_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route);
  97
  98 /* ************************************************************************** */
  99 /* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
 100
 101 static xbt_dynar_t generic_get_onelink_routes (routing_component_t rc);
 102 static int generic_is_router (routing_component_t rc, const char *name);
 103 static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst);
 104
 105 /* ************************************************************************** */
 106 /* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
 107
 108 static route_extended_t generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy, void* data, int order);
 109 static void generic_free_route(route_t route);
 110 static void generic_free_extended_route(route_extended_t e_route);
 111 static routing_component_t generic_autonomous_system_exist(routing_component_t rc, char* element);
 112 static routing_component_t generic_processing_units_exist(routing_component_t rc, char* element);
 113 static void generic_src_dst_check(routing_component_t rc, const char* src, const char* dst);
 114
 115 /* ************************************************************************** */
 116 /* **************************** GLOBAL FUNCTIONS **************************** */
 117
 118 /* global parse functions */
 119 static char* src = NULL;    /* temporary store the source name of a route */
 120 static char* dst = NULL;    /* temporary store the destination name of a route */
 121 static char* gw_src = NULL; /* temporary store the gateway source name of a route */
 122 static char* gw_dst = NULL; /* temporary store the gateway destination name of a route */
 123 static xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
 124
 125 /**
 126  * \brief Add a "host" to the network element list
 127  */
 128 static void  parse_S_host(char* host_id) {
 129   if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_BASE;
 130   xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,host_id),
 131       "Reading a host, processing unit \"%s\" already exist",host_id);
 132   xbt_assert1(current_routing->set_processing_unit,
 133       "no defined method \"set_processing_unit\" in \"%s\"",current_routing->name);
 134   (*(current_routing->set_processing_unit))(current_routing,host_id);
 135   xbt_dict_set(global_routing->where_network_elements,host_id,(void*)current_routing,NULL);
 136 }
 137
 138 /*
 139  * \brief Add a host to the network element list from XML
 140  */
 141 static void parse_S_host_XML(void)
 142 {
 143         parse_S_host(A_surfxml_host_id);
 144 }
 145
 146 /*
 147  * \brief Add a host to the network element list from lua script
 148  */
 149 static void parse_S_host_lua(char *host_id)
 150 {
 151         parse_S_host(host_id);
 152 }
 153 /*
 154  *
 155  */
 156
 157 /**
 158  * \brief Add a "router" to the network element list
 159  */
 160 static void parse_S_router(void) {
 161   if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_BASE;
 162   xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,A_surfxml_router_id),
 163       "Reading a router, processing unit \"%s\" already exist",A_surfxml_router_id);
 164   xbt_assert1(current_routing->set_processing_unit,
 165       "no defined method \"set_processing_unit\" in \"%s\"",current_routing->name);
 166   (*(current_routing->set_processing_unit))(current_routing,A_surfxml_router_id);
 167   xbt_dict_set(global_routing->where_network_elements,A_surfxml_router_id,(void*)current_routing,NULL);
 168   #ifdef HAVE_TRACING
 169     TRACE_surf_host_declaration (A_surfxml_router_id, 0);
 170   #endif
 171 }
 172
 173 /**
 174  * \brief Set the endponints for a route
 175  */
 176 static void parse_S_route_new_and_endpoints(char *src_id,char *dst_id) {
 177   if( src != NULL && dst != NULL && link_list != NULL )
 178     THROW2(arg_error,0,"Route between %s to %s can not be defined",src_id,dst_id);
 179   src = src_id;
 180   dst = dst_id;
 181   xbt_assert2(strlen(src)>0||strlen(dst)>0,
 182       "Some limits are null in the route between \"%s\" and \"%s\"",src,dst);
 183   link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref);
 184 }
 185
 186 /**
 187  * \breif Set the endpoints for a route from XML
 188  */
 189 static void parse_S_route_new_and_endpoints_XML(void)
 190 {
 191         parse_S_route_new_and_endpoints(A_surfxml_route_src,A_surfxml_route_dst);
 192 }
 193
 194 /**
 195  * \breif Set the endpoints for a route from lua
 196  */
 197 static void parse_S_route_new_and_endpoints_lua(char *id_src,char *id_dst)
 198 {
 199         parse_S_route_new_and_endpoints(id_src,id_dst);
 200 }
 201
 202 /**
 203  * \brief Set the endponints and gateways for a ASroute
 204  */
 205 static void parse_S_ASroute_new_and_endpoints(void) {
 206   if( src != NULL && dst != NULL && link_list != NULL )
 207     THROW2(arg_error,0,"Route between %s to %s can not be defined",A_surfxml_ASroute_src,A_surfxml_ASroute_dst);
 208   src = A_surfxml_ASroute_src;
 209   dst = A_surfxml_ASroute_dst;
 210   gw_src = A_surfxml_ASroute_gw_src;
 211   gw_dst = A_surfxml_ASroute_gw_dst;
 212   xbt_assert2(strlen(src)>0||strlen(dst)>0||strlen(gw_src)>0||strlen(gw_dst)>0,
 213       "Some limits are null in the route between \"%s\" and \"%s\"",src,dst);
 214   link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref);
 215 }
 216
 217 /**
 218  * \brief Set the endponints for a bypassRoute
 219  */
 220 static void parse_S_bypassRoute_new_and_endpoints(void) {
 221   if( src != NULL && dst != NULL && link_list != NULL )
 222     THROW2(arg_error,0,"Bypass Route between %s to %s can not be defined",A_surfxml_bypassRoute_src,A_surfxml_bypassRoute_dst);
 223   src = A_surfxml_bypassRoute_src;
 224   dst = A_surfxml_bypassRoute_dst;
 225   gw_src = A_surfxml_bypassRoute_gw_src;
 226   gw_dst = A_surfxml_bypassRoute_gw_dst;
 227   xbt_assert2(strlen(src)>0||strlen(dst)>0||strlen(gw_src)>0||strlen(gw_dst)>0,
 228       "Some limits are null in the route between \"%s\" and \"%s\"",src,dst);
 229   link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref);
 230 }
 231
 232 /**
 233  * \brief Set a new link on the actual list of link for a route or ASroute
 234  */
 235 static void parse_E_link_ctn_new_elem(char *link_id) {
 236   char *val;
 237   val = xbt_strdup(link_id);
 238   xbt_dynar_push(link_list, &val);
 239 }
 240
 241 /**
 242  * \brief Set a new link on the actual list of link for a route or ASroute from XML
 243  */
 244
 245 static void parse_E_link_ctn_new_elem_XML(void)
 246 {
 247         parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
 248 }
 249
 250 /**
 251  * \brief Set a new link on the actual list of link for a route or ASroute from lua
 252  */
 253 static void parse_E_link_c_ctn_new_elem_lua(char *link_id) {
 254
 255         parse_E_link_ctn_new_elem(link_id);
 256 }
 257
 258 /**
 259  * \brief Store the route by calling the set_route function of the current routing component
 260  */
 261 static void parse_E_route_store_route(void) {
 262   route_t route = xbt_new0(s_route_t,1);
 263   route->link_list = link_list;
 264 //   xbt_assert1(generic_processing_units_exist(current_routing,src),"the \"%s\" processing units gateway does not exist",src);
 265 //   xbt_assert1(generic_processing_units_exist(current_routing,dst),"the \"%s\" processing units gateway does not exist",dst);
 266     xbt_assert1(current_routing->set_route,"no defined method \"set_route\" in \"%s\"",current_routing->name);
 267   (*(current_routing->set_route))(current_routing,src,dst,route);
 268   link_list = NULL;
 269   src = NULL;
 270   dst = NULL;
 271 }
 272
 273 /**
 274  * \brief Store the ASroute by calling the set_ASroute function of the current routing component
 275  */
 276 static void parse_E_ASroute_store_route(void) {
 277   route_extended_t e_route = xbt_new0(s_route_extended_t,1);
 278   e_route->generic_route.link_list = link_list;
 279   e_route->src_gateway = xbt_strdup(gw_src);
 280   e_route->dst_gateway = xbt_strdup(gw_dst);
 281 //   xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
 282 //   xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
 283 //   xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
 284 //   xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
 285   xbt_assert1(current_routing->set_ASroute,"no defined method \"set_ASroute\" in \"%s\"",current_routing->name);
 286   (*(current_routing->set_ASroute))(current_routing,src,dst,e_route);
 287   link_list = NULL;
 288   src = NULL;
 289   dst = NULL;
 290   gw_src = NULL;
 291   gw_dst = NULL;
 292 }
 293
 294 /**
 295  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
 296  */
 297 static void parse_E_bypassRoute_store_route(void) {
 298   route_extended_t e_route = xbt_new0(s_route_extended_t,1);
 299   e_route->generic_route.link_list = link_list;
 300   e_route->src_gateway = xbt_strdup(gw_src);
 301   e_route->dst_gateway = xbt_strdup(gw_dst);
 302 //   xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
 303 //   xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
 304 //   xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
 305 //   xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
 306   xbt_assert1(current_routing->set_bypassroute,"no defined method \"set_bypassroute\" in \"%s\"",current_routing->name);
 307   (*(current_routing->set_bypassroute))(current_routing,src,dst,e_route);
 308   link_list = NULL;
 309   src = NULL;
 310   dst = NULL;
 311   gw_src = NULL;
 312   gw_dst = NULL;
 313 }
 314
 315 /**
 316  * \brief Make a new routing component
 317  *
 318  * make the new structure and
 319  * set the parsing functions to allows parsing the part of the routing tree
 320  */
 321 static void parse_S_AS(char* AS_id,char* AS_routing) {
 322   routing_component_t new_routing;
 323   model_type_t model = NULL;
 324   char* wanted = AS_routing;
 325   int cpt;
 326   /* seach the routing model */
 327   for (cpt=0;routing_models[cpt].name;cpt++)
 328     if (!strcmp(wanted,routing_models[cpt].name))
 329           model = &routing_models[cpt];
 330   /* if its not exist, error */
 331   if( model == NULL ) {
 332     fprintf(stderr,"Routing model %s not found. Existing models:\n",wanted);
 333     for (cpt=0;routing_models[cpt].name;cpt++)
 334       if (!strcmp(wanted,routing_models[cpt].name))
 335         fprintf(stderr,"   %s: %s\n",routing_models[cpt].name,routing_models[cpt].desc);
 336     xbt_die(NULL);
 337   }
 338
 339   /* make a new routing component */
 340   new_routing = (routing_component_t)(*(model->create))();
 341   new_routing->routing = model;
 342   new_routing->hierarchy = SURF_ROUTING_NULL;
 343   new_routing->name = xbt_strdup(AS_id);
 344   new_routing->routing_sons = xbt_dict_new();
 345   //INFO2("Routing %s for AS %s",A_surfxml_AS_routing,A_surfxml_AS_id);
 346
 347   if( current_routing == NULL && global_routing->root == NULL ){
 348
 349     /* it is the first one */
 350     new_routing->routing_father = NULL;
 351     global_routing->root = new_routing;
 352
 353   } else if( current_routing != NULL && global_routing->root != NULL ) {
 354
 355     xbt_assert1(!xbt_dict_get_or_null(current_routing->routing_sons,AS_id),
 356            "The AS \"%s\" already exist",AS_id);
 357      /* it is a part of the tree */
 358     new_routing->routing_father = current_routing;
 359     /* set the father behavior */
 360     if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
 361     /* add to the sons dictionary */
 362     xbt_dict_set(current_routing->routing_sons,AS_id,(void*)new_routing,NULL);
 363     /* add to the father element list */
 364     (*(current_routing->set_autonomous_system))(current_routing,AS_id);
 365     /* unload the prev parse rules */
 366     (*(current_routing->routing->unload))();
 367
 368   } else {
 369     THROW0(arg_error,0,"All defined components must be belong to a AS");
 370   }
 371   /* set the new parse rules */
 372   (*(new_routing->routing->load))();
 373   /* set the new current component of the tree */
 374   current_routing = new_routing;
 375 }
 376
 377 /*
 378  * Detect the routing model type of the routing component from XML platforms
 379  */
 380 static void parse_S_AS_XML(void)
 381 {
 382         parse_S_AS(A_surfxml_AS_id,A_surfxml_AS_routing);
 383 }
 384
 385 /*
 386  * define the routing model type of routing component from lua script
 387  */
 388 static void parse_S_AS_lua(char* id,char* mode)
 389 {
 390         parse_S_AS(id,mode);
 391 }
 392
 393
 394 /**
 395  * \brief Finish the creation of a new routing component
 396  *
 397  * When you finish to read the routing component, other structures must be created.
 398  * the "end" method allow to do that for any routing model type
 399  */
 400 static void parse_E_AS(char *AS_id) {
 401
 402   if( current_routing == NULL ) {
 403     THROW1(arg_error,0,"Close AS(%s), that never open",AS_id);
 404   } else {
 405       xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,current_routing->name),
 406           "The AS \"%s\" already exist",current_routing->name);
 407       xbt_dict_set(global_routing->where_network_elements,current_routing->name,current_routing->routing_father,NULL);
 408       (*(current_routing->routing->unload))();
 409       (*(current_routing->routing->end))();
 410       current_routing = current_routing->routing_father;
 411       if( current_routing != NULL )
 412         (*(current_routing->routing->load))();
 413   }
 414 }
 415
 416 /*
 417  * \brief Finish the creation of a new routing component from XML
 418  */
 419 static void parse_E_AS_XML(void)
 420 {
 421         parse_E_AS(A_surfxml_AS_id);
 422 }
 423
 424 /*
 425  * \brief Finish the creation of a new routing component from lua
 426  */
 427 static void parse_E_AS_lua(char *id)
 428 {
 429         parse_E_AS(id);
 430 }
 431
 432 /* Aux Business methods */
 433
 434 /**
 435  * \brief Get the AS father and the first elements of the chain
 436  *
 437  * \param src the source host name
 438  * \param dst the destination host name
 439  *
 440  * Get the common father of the to processing units, and the first different
 441  * father in the chain
 442  */
 443 static xbt_dynar_t elements_father(const char* src,const char* dst) {
 444
 445   xbt_assert0(src&&dst,"bad parameters for \"elements_father\" method");
 446
 447   xbt_dynar_t result = xbt_dynar_new(sizeof(char*), NULL);
 448
 449   routing_component_t src_as, dst_as;
 450   int index_src, index_dst, index_father_src, index_father_dst;
 451   xbt_dynar_t path_src = NULL;
 452   xbt_dynar_t path_dst = NULL;
 453   routing_component_t current = NULL;
 454   routing_component_t* current_src = NULL;
 455   routing_component_t* current_dst = NULL;
 456   routing_component_t* father = NULL;
 457
 458   /* (1) find the as where the src and dst are located */
 459   src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
 460   dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
 461   xbt_assert2(src_as&&dst_as, "Ask for route \"from\"(%s) or \"to\"(%s) no found",src,dst);
 462
 463   /* (2) find the path to the root routing component */
 464   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
 465   current = src_as;
 466   while( current != NULL ) {
 467     xbt_dynar_push(path_src,&current);
 468     current = current->routing_father;
 469   }
 470   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
 471   current = dst_as;
 472   while( current != NULL ) {
 473     xbt_dynar_push(path_dst,&current);
 474     current = current->routing_father;
 475   }
 476
 477   /* (3) find the common father */
 478   index_src  = (path_src->used)-1;
 479   index_dst  = (path_dst->used)-1;
 480   current_src = xbt_dynar_get_ptr(path_src,index_src);
 481   current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
 482   while( index_src >= 0 && index_dst >= 0 && *current_src == *current_dst ) {
 483     current_src = xbt_dynar_get_ptr(path_src,index_src);
 484     current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
 485     index_src--;
 486     index_dst--;
 487   }
 488   index_src++;
 489   index_dst++;
 490   current_src = xbt_dynar_get_ptr(path_src,index_src);
 491   current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
 492
 493   /* (4) they are not in the same routing component, make the path */
 494   index_father_src = index_src+1;
 495   index_father_dst = index_dst+1;
 496
 497   if(*current_src==*current_dst)
 498     father = current_src;
 499   else
 500     father = xbt_dynar_get_ptr(path_src,index_father_src);
 501
 502   /* (5) result generation */
 503   xbt_dynar_push(result,father); /* first same the father of src and dst */
 504   xbt_dynar_push(result,current_src); /* second the first different father of src */
 505   xbt_dynar_push(result,current_dst); /* three  the first different father of dst */
 506
 507   xbt_dynar_free(&path_src);
 508   xbt_dynar_free(&path_dst);
 509
 510   return result;
 511 }
 512
 513 /* Global Business methods */
 514
 515 /**
 516  * \brief Recursive function for get_route
 517  *
 518  * \param src the source host name
 519  * \param dst the destination host name
 520  *
 521  * This fuction is call by "get_route". It allow to walk through the
 522  * routing components tree.
 523  */
 524 static route_extended_t _get_route(const char* src,const char* dst) {
 525
 526   void* link;
 527   unsigned int cpt=0;
 528
 529   DEBUG2("Solve route  \"%s\" to \"%s\"",src,dst);
 530
 531   xbt_assert0(src&&dst,"bad parameters for \"_get_route\" method");
 532
 533   route_extended_t e_route, e_route_cnt, e_route_src=NULL, e_route_dst=NULL;
 534
 535   xbt_dynar_t elem_father_list = elements_father(src,dst);
 536
 537   routing_component_t common_father = xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
 538   routing_component_t src_father    = xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
 539   routing_component_t dst_father    = xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
 540
 541   e_route = xbt_new0(s_route_extended_t,1);
 542   e_route->src_gateway = NULL;
 543   e_route->dst_gateway = NULL;
 544   e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
 545
 546   if(src_father==dst_father) { /* SURF_ROUTING_BASE */
 547
 548     if( strcmp(src,dst) ){
 549       e_route_cnt = (*(common_father->get_route))(common_father,src,dst);
 550       xbt_assert2(e_route_cnt,"no route between \"%s\" and \"%s\"",src,dst);
 551       xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 552         xbt_dynar_push(e_route->generic_route.link_list,&link);
 553       }
 554       generic_free_extended_route(e_route_cnt);
 555     }
 556
 557   } else { /* SURF_ROUTING_RECURSIVE */
 558
 559     route_extended_t e_route_bypass = NULL;
 560
 561     if(common_father->get_bypass_route)
 562       e_route_bypass = (*(common_father->get_bypass_route))(common_father,src,dst);
 563
 564     if(e_route_bypass)
 565       e_route_cnt = e_route_bypass;
 566     else
 567       e_route_cnt = (*(common_father->get_route))(common_father,src_father->name,dst_father->name);
 568
 569     xbt_assert2(e_route_cnt,"no route between \"%s\" and \"%s\"",src_father->name,dst_father->name);
 570
 571     xbt_assert2( (e_route_cnt->src_gateway==NULL) == (e_route_cnt->dst_gateway==NULL) ,
 572       "bad gateway for route between \"%s\" and \"%s\"",src,dst);
 573
 574     if( src != e_route_cnt->src_gateway ) {
 575       e_route_src = _get_route(src,e_route_cnt->src_gateway);
 576       xbt_assert2(e_route_src,"no route between \"%s\" and \"%s\"",src,e_route_cnt->src_gateway);
 577       xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
 578         xbt_dynar_push(e_route->generic_route.link_list,&link);
 579       }
 580     }
 581
 582     xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
 583       xbt_dynar_push(e_route->generic_route.link_list,&link);
 584     }
 585
 586     if( e_route_cnt->dst_gateway != dst ) {
 587       e_route_dst = _get_route(e_route_cnt->dst_gateway,dst);
 588       xbt_assert2(e_route_dst,"no route between \"%s\" and \"%s\"",e_route_cnt->dst_gateway,dst);
 589       xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
 590         xbt_dynar_push(e_route->generic_route.link_list,&link);
 591       }
 592     }
 593
 594     e_route->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
 595     e_route->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
 596
 597     generic_free_extended_route(e_route_src);
 598     generic_free_extended_route(e_route_cnt);
 599     generic_free_extended_route(e_route_dst);
 600   }
 601
 602   xbt_dynar_free(&elem_father_list);
 603
 604   return e_route;
 605 }
 606
 607 /**
 608  * \brief Generic method: find a route between hosts
 609  *
 610  * \param src the source host name
 611  * \param dst the destination host name
 612  *
 613  * walk through the routing components tree and find a route between hosts
 614  * by calling the differents "get_route" functions in each routing component
 615  */
 616 static xbt_dynar_t get_route(const char* src,const char* dst) {
 617
 618   route_extended_t e_route;
 619   xbt_dynar_t elem_father_list = elements_father(src,dst);
 620   routing_component_t common_father = xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
 621
 622   if(strcmp(src,dst))
 623     e_route = _get_route(src,dst);
 624   else
 625     e_route = (*(common_father->get_route))(common_father,src,dst);
 626
 627   xbt_assert2(e_route,"no route between \"%s\" and \"%s\"",src,dst);
 628
 629   if(global_routing->last_route) xbt_dynar_free( &(global_routing->last_route) );
 630   global_routing->last_route = e_route->generic_route.link_list;
 631
 632   if(e_route->src_gateway) xbt_free(e_route->src_gateway);
 633   if(e_route->dst_gateway) xbt_free(e_route->dst_gateway);
 634
 635   xbt_free(e_route);
 636   xbt_dynar_free(&elem_father_list);
 637
 638   if( xbt_dynar_length(global_routing->last_route)==0 )
 639     return NULL;
 640   else
 641     return global_routing->last_route;
 642 }
 643
 644 /**
 645  * \brief Recursive function for finalize
 646  *
 647  * \param rc the source host name
 648  *
 649  * This fuction is call by "finalize". It allow to finalize the
 650  * AS or routing components. It delete all the structures.
 651  */
 652 static void _finalize(routing_component_t rc) {
 653   if(rc) {
 654     xbt_dict_cursor_t cursor = NULL;
 655     char *key;
 656     routing_component_t elem;
 657     xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
 658       _finalize(elem);
 659     }
 660     xbt_dict_t tmp_sons = rc->routing_sons;
 661     char* tmp_name = rc->name;
 662     xbt_dict_free(&tmp_sons);
 663     xbt_free(tmp_name);
 664     xbt_assert1(rc->finalize,"no defined method \"finalize\" in \"%s\"",current_routing->name);
 665     (*(rc->finalize))(rc);
 666   }
 667 }
 668
 669 /**
 670  * \brief Generic method: delete all the routing structures
 671  *
 672  * walk through the routing components tree and delete the structures
 673  * by calling the differents "finalize" functions in each routing component
 674  */
 675 static void finalize(void) {
 676   /* delete recursibly all the tree */
 677   _finalize(global_routing->root);
 678   /* delete "where" dict */
 679   xbt_dict_free(&(global_routing->where_network_elements));
 680   /* delete last_route */
 681   xbt_dynar_free(&(global_routing->last_route));
 682   /* delete global routing structure */
 683   xbt_free(global_routing);
 684 }
 685
 686 static xbt_dynar_t recursive_get_onelink_routes (routing_component_t rc)
 687 {
 688   xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
 689
 690   //adding my one link routes
 691   unsigned int cpt;
 692   void *link;
 693   xbt_dynar_t onelink_mine = rc->get_onelink_routes (rc);
 694   if (onelink_mine){
 695     xbt_dynar_foreach(onelink_mine, cpt, link) {
 696       xbt_dynar_push(ret,&link);
 697     }
 698   }
 699
 700   //recursing
 701   char *key;
 702   xbt_dict_cursor_t cursor=NULL;
 703   routing_component_t rc_child;
 704   xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
 705     xbt_dynar_t onelink_child = recursive_get_onelink_routes (rc_child);
 706     if (onelink_child){
 707       xbt_dynar_foreach(onelink_child, cpt, link) {
 708         xbt_dynar_push(ret,&link);
 709       }
 710     }
 711   }
 712   return ret;
 713 }
 714
 715 static xbt_dynar_t get_onelink_routes(void)
 716 {
 717   return recursive_get_onelink_routes (global_routing->root);
 718 }
 719
 720 static int is_router(const char *name)
 721 {
 722         routing_component_t rc=NULL;
 723         rc = xbt_dict_get(global_routing->where_network_elements,name);
 724         return rc->is_router(rc, name);
 725 }
 726
 727 /**
 728  * \brief Generic method: create the global routing schema
 729  *
 730  * Make a global routing structure and set all the parsing functions.
 731  */
 732 void routing_model_create(size_t size_of_links, void* loopback) {
 733
 734   /* config the uniq global routing */
 735   global_routing = xbt_new0(s_routing_global_t,1);
 736   global_routing->where_network_elements = xbt_dict_new();
 737   global_routing->root = NULL;
 738   global_routing->get_route = get_route;
 739   global_routing->get_onelink_routes = get_onelink_routes;
 740   global_routing->is_router = is_router;
 741   global_routing->finalize = finalize;
 742   global_routing->loopback = loopback;
 743   global_routing->size_of_link = size_of_links;
 744   global_routing->last_route = xbt_dynar_new(size_of_links, NULL);
 745
 746   /* no current routing at moment */
 747   current_routing = NULL;
 748
 749   /* parse generic elements */
 750   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
 751   surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
 752
 753   surfxml_add_callback(STag_surfxml_route_cb_list, &parse_S_route_new_and_endpoints_XML);
 754   surfxml_add_callback(STag_surfxml_ASroute_cb_list, &parse_S_ASroute_new_and_endpoints);
 755   surfxml_add_callback(STag_surfxml_bypassRoute_cb_list, &parse_S_bypassRoute_new_and_endpoints);
 756
 757   surfxml_add_callback(ETag_surfxml_link_ctn_cb_list, &parse_E_link_ctn_new_elem_XML);
 758
 759   surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_E_route_store_route);
 760   surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &parse_E_ASroute_store_route);
 761   surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list, &parse_E_bypassRoute_store_route);
 762
 763   surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
 764   surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
 765
 766   surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_full_parse_Scluster);
 767
 768 }
 769
 770 /* ************************************************************************** */
 771 /* *************************** FULL ROUTING ********************************* */
 772
 773 #define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
 774
 775 /* Routing model structure */
 776
 777 typedef struct {
 778   s_routing_component_t generic_routing;
 779   xbt_dict_t parse_routes; /* store data during the parse process */
 780   xbt_dict_t to_index; /* char* -> network_element_t */
 781   xbt_dict_t bypassRoutes;
 782   route_extended_t *routing_table;
 783 } s_routing_component_full_t,*routing_component_full_t;
 784
 785 /* Business methods */
 786 static xbt_dynar_t full_get_onelink_routes(routing_component_t rc)
 787 {
 788   xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
 789
 790   routing_component_full_t routing = (routing_component_full_t)rc;
 791   int table_size = xbt_dict_length(routing->to_index);
 792   xbt_dict_cursor_t c1 = NULL, c2 = NULL;
 793   char *k1, *d1, *k2, *d2;
 794   xbt_dict_foreach(routing->to_index, c1, k1, d1) {
 795     xbt_dict_foreach (routing->to_index, c2, k2, d2) {
 796       int *src_id = xbt_dict_get_or_null(routing->to_index, k1);
 797       int *dst_id = xbt_dict_get_or_null(routing->to_index, k2);
 798       xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",src,dst);
 799       route_extended_t route = TO_ROUTE_FULL(*src_id,*dst_id);
 800       if (route){
 801         if (xbt_dynar_length(route->generic_route.link_list) == 1){
 802           void *link = *(void**)xbt_dynar_get_ptr(route->generic_route.link_list,0);
 803
 804           onelink_t onelink = xbt_new0 (s_onelink_t, 1);
 805           onelink->src = xbt_strdup (k1);
 806           onelink->dst = xbt_strdup (k2);
 807           onelink->link_ptr = link;
 808           xbt_dynar_push (ret, &onelink);
 809         }
 810       }
 811     }
 812   }
 813   return ret;
 814 }
 815
 816 static int full_is_router(routing_component_t rc, const char *name)
 817 {
 818   routing_component_full_t routing = (routing_component_full_t)rc;
 819
 820   if(SURF_NETWORK_ELEMENT_ROUTER == ( (network_element_t) xbt_dict_get(routing->to_index , name) )->type )
 821           return 1;
 822   else
 823           return 0;
 824 }
 825
 826 static route_extended_t full_get_route(routing_component_t rc, const char* src,const char* dst) {
 827   xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
 828
 829   /* set utils vars */
 830   routing_component_full_t routing = (routing_component_full_t)rc;
 831   int table_size = xbt_dict_length(routing->to_index);
 832
 833   generic_src_dst_check(rc,src,dst);
 834   int *src_id = xbt_dict_get_or_null(routing->to_index,src);
 835   int *dst_id = xbt_dict_get_or_null(routing->to_index,dst);
 836   xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",src,dst);
 837
 838   route_extended_t e_route = NULL;
 839   route_extended_t new_e_route = NULL;
 840   void* link;
 841   unsigned int cpt=0;
 842
 843   e_route = TO_ROUTE_FULL(*src_id,*dst_id);
 844
 845   if(e_route) {
 846     new_e_route = xbt_new0(s_route_extended_t,1);
 847     new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
 848     new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
 849     new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
 850     xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
 851       xbt_dynar_push(new_e_route->generic_route.link_list,&link);
 852     }
 853   }
 854   return new_e_route;
 855 }
 856
 857 static void full_finalize(routing_component_t rc) {
 858   routing_component_full_t routing = (routing_component_full_t)rc;
 859   int table_size = xbt_dict_length(routing->to_index);
 860   int i,j;
 861   if (routing) {
 862     /* Delete routing table */
 863     for (i=0;i<table_size;i++)
 864       for (j=0;j<table_size;j++)
 865         generic_free_extended_route(TO_ROUTE_FULL(i,j));
 866     xbt_free(routing->routing_table);
 867     /* Delete bypass dict */
 868     xbt_dict_free(&routing->bypassRoutes);
 869     /* Delete index dict */
 870     xbt_dict_free(&(routing->to_index));
 871     /* Delete structure */
 872     xbt_free(rc);
 873   }
 874 }
 875
 876 /* Creation routing model functions */
 877
 878 static void* model_full_create(void) {
 879   routing_component_full_t new_component =  xbt_new0(s_routing_component_full_t,1);
 880   new_component->generic_routing.set_processing_unit = generic_set_processing_unit;
 881   new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system;
 882   new_component->generic_routing.set_route = generic_set_route;
 883   new_component->generic_routing.set_ASroute = generic_set_ASroute;
 884   new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
 885   new_component->generic_routing.get_route = full_get_route;
 886   new_component->generic_routing.get_onelink_routes = full_get_onelink_routes;
 887   new_component->generic_routing.is_router = full_is_router;
 888   new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
 889   new_component->generic_routing.finalize = full_finalize;
 890   new_component->to_index = xbt_dict_new();
 891   new_component->bypassRoutes = xbt_dict_new();
 892   new_component->parse_routes = xbt_dict_new();
 893   return new_component;
 894 }
 895
 896 static void model_full_load(void) {
 897  /* use "surfxml_add_callback" to add a parse function call */
 898 }
 899
 900 static void model_full_unload(void) {
 901  /* use "surfxml_del_callback" to remove a parse function call */
 902 }
 903
 904 static void  model_full_end(void) {
 905
 906   char *key, *end;
 907   const char* sep = "#";
 908   int src_id, dst_id;
 909   unsigned int i, j;
 910   route_t route;
 911   route_extended_t e_route;
 912   void* data;
 913
 914   xbt_dict_cursor_t cursor = NULL;
 915   xbt_dynar_t keys = NULL;
 916
 917   /* set utils vars */
 918   routing_component_full_t routing = ((routing_component_full_t)current_routing);
 919   int table_size = xbt_dict_length(routing->to_index);
 920
 921   /* Create the routing table */
 922   routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
 923
 924   /* Put the routes in position */
 925   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
 926     keys = xbt_str_split_str(key, sep);
 927     src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
 928     dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
 929     TO_ROUTE_FULL(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,1);
 930      xbt_dynar_free(&keys);
 931    }
 932
 933    /* delete the parse table */
 934   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
 935     route = (route_t)data;
 936     xbt_dynar_free(&(route->link_list));
 937     xbt_free(data);
 938   }
 939
 940   /* delete parse dict */
 941   xbt_dict_free(&(routing->parse_routes));
 942
 943   /* Add the loopback if needed */
 944   if(current_routing->hierarchy == SURF_ROUTING_BASE) {
 945     for (i = 0; i < table_size; i++) {
 946       e_route = TO_ROUTE_FULL(i, i);
 947       if(!e_route) {
 948         e_route = xbt_new0(s_route_extended_t,1);
 949         e_route->src_gateway = NULL;
 950         e_route->dst_gateway = NULL;
 951         e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
 952         xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
 953         TO_ROUTE_FULL(i, i) = e_route;
 954       }
 955     }
 956   }
 957
 958   /* Shrink the dynar routes (save unused slots) */
 959   for (i=0;i<table_size;i++)
 960     for (j=0;j<table_size;j++)
 961       if(TO_ROUTE_FULL(i,j))
 962         xbt_dynar_shrink(TO_ROUTE_FULL(i,j)->generic_route.link_list,0);
 963 }
 964
 965 /* ************************************************************************** */
 966 /* *************************** FLOYD ROUTING ******************************** */
 967
 968 #define TO_FLOYD_COST(i,j) cost_table[(i)+(j)*table_size]
 969 #define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
 970 #define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
 971
 972 /* Routing model structure */
 973
 974 typedef struct {
 975   s_routing_component_t generic_routing;
 976   /* vars for calculate the floyd algorith. */
 977   int *predecessor_table;
 978   route_extended_t *link_table; /* char* -> int* */
 979   xbt_dict_t to_index;
 980   xbt_dict_t bypassRoutes;
 981   /* store data during the parse process */
 982   xbt_dict_t parse_routes;
 983 } s_routing_component_floyd_t,*routing_component_floyd_t;
 984
 985 static route_extended_t floyd_get_route(routing_component_t rc, const char* src,const char* dst);
 986
 987 /* Business methods */
 988 static xbt_dynar_t floyd_get_onelink_routes(routing_component_t rc)
 989 {
 990   xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
 991
 992   routing_component_floyd_t routing = (routing_component_floyd_t)rc;
 993   //int table_size = xbt_dict_length(routing->to_index);
 994   xbt_dict_cursor_t c1 = NULL, c2 = NULL;
 995   char *k1, *d1, *k2, *d2;
 996   xbt_dict_foreach(routing->to_index, c1, k1, d1) {
 997     xbt_dict_foreach (routing->to_index, c2, k2, d2) {
 998       route_extended_t route = floyd_get_route (rc, k1, k2);
 999       if (route){
1000         if (xbt_dynar_length(route->generic_route.link_list) == 1){
1001           void *link = *(void**)xbt_dynar_get_ptr(route->generic_route.link_list,0);
1002           onelink_t onelink = xbt_new0 (s_onelink_t, 1);
1003           onelink->src = xbt_strdup (k1);
1004           onelink->dst = xbt_strdup (k2);
1005           onelink->link_ptr = link;
1006           xbt_dynar_push (ret, &onelink);
1007         }
1008       }
1009     }
1010   }
1011   return ret;
1012 }
1013
1014 static int floyd_is_router(routing_component_t rc, const char *name)
1015 {
1016   routing_component_floyd_t routing = (routing_component_floyd_t)rc;
1017
1018   if(SURF_NETWORK_ELEMENT_ROUTER == ( (network_element_t) xbt_dict_get(routing->to_index , name) )->type )
1019           return 1;
1020   else
1021           return 0;
1022 }
1023
1024 static route_extended_t floyd_get_route(routing_component_t rc, const char* src,const char* dst) {
1025   xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
1026
1027   /* set utils vars */
1028   routing_component_floyd_t routing = (routing_component_floyd_t) rc;
1029   int table_size = xbt_dict_length(routing->to_index);
1030
1031   generic_src_dst_check(rc,src,dst);
1032   int *src_id = xbt_dict_get_or_null(routing->to_index,src);
1033   int *dst_id = xbt_dict_get_or_null(routing->to_index,dst);
1034   xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",src,dst);
1035
1036   /* create a result route */
1037   route_extended_t new_e_route = xbt_new0(s_route_extended_t,1);
1038   new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
1039   new_e_route->src_gateway = NULL;
1040   new_e_route->dst_gateway = NULL;
1041
1042   int first = 1;
1043   int pred = *dst_id;
1044   int prev_pred = 0;
1045   char *gw_src=NULL,*gw_dst=NULL, *prev_gw_src,*prev_gw_dst, *first_gw=NULL;
1046   unsigned int cpt;
1047   void* link;
1048   xbt_dynar_t links;
1049
1050   do {
1051     prev_pred = pred;
1052     pred = TO_FLOYD_PRED(*src_id, pred);
1053     if(pred == -1) /* if no pred in route -> no route to host */
1054       break;
1055     xbt_assert2(TO_FLOYD_LINK(pred,prev_pred),"Invalid link for the route between \"%s\" or \"%s\"", src, dst);
1056
1057     prev_gw_src = gw_src;
1058     prev_gw_dst = gw_dst;
1059
1060     route_extended_t e_route = TO_FLOYD_LINK(pred,prev_pred);
1061     gw_src = e_route->src_gateway;
1062     gw_dst = e_route->dst_gateway;
1063
1064     if(first) first_gw = gw_dst;
1065
1066     if(rc->hierarchy == SURF_ROUTING_RECURSIVE && !first && strcmp(gw_dst,prev_gw_src)) {
1067       xbt_dynar_t e_route_as_to_as = (*(global_routing->get_route))(gw_dst,prev_gw_src);
1068       xbt_assert2(e_route_as_to_as,"no route between \"%s\" and \"%s\"",gw_dst,prev_gw_src);
1069       links = e_route_as_to_as;
1070       int pos = 0;
1071       xbt_dynar_foreach(links, cpt, link) {
1072         xbt_dynar_insert_at(new_e_route->generic_route.link_list,pos,&link);
1073         pos++;
1074       }
1075     }
1076
1077     links = e_route->generic_route.link_list;
1078     xbt_dynar_foreach(links, cpt, link) {
1079       xbt_dynar_unshift(new_e_route->generic_route.link_list,&link);
1080     }
1081     first=0;
1082
1083   } while(pred != *src_id);
1084   xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")", *src_id, *dst_id,src,dst);
1085
1086   if(rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1087     new_e_route->src_gateway = xbt_strdup(gw_src);
1088     new_e_route->dst_gateway = xbt_strdup(first_gw);
1089   }
1090
1091   return new_e_route;
1092 }
1093
1094 static void floyd_finalize(routing_component_t rc) {
1095    routing_component_floyd_t routing = (routing_component_floyd_t)rc;
1096   int i,j,table_size;
1097   if (routing) {
1098     table_size = xbt_dict_length(routing->to_index);
1099     /* Delete link_table */
1100     for (i=0;i<table_size;i++)
1101       for (j=0;j<table_size;j++)
1102         generic_free_extended_route(TO_FLOYD_LINK(i,j));
1103     xbt_free(routing->link_table);
1104     /* Delete bypass dict */
1105     xbt_dict_free(&routing->bypassRoutes);
1106     /* Delete index dict */
1107     xbt_dict_free(&(routing->to_index));
1108     /* Delete dictionary index dict, predecessor and links table */
1109     xbt_free(routing->predecessor_table);
1110     /* Delete structure */
1111     xbt_free(rc);
1112   }
1113 }
1114
1115 static void* model_floyd_create(void) {
1116   routing_component_floyd_t new_component = xbt_new0(s_routing_component_floyd_t,1);
1117   new_component->generic_routing.set_processing_unit = generic_set_processing_unit;
1118   new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system;
1119   new_component->generic_routing.set_route = generic_set_route;
1120   new_component->generic_routing.set_ASroute = generic_set_ASroute;
1121   new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1122   new_component->generic_routing.get_route = floyd_get_route;
1123   new_component->generic_routing.get_onelink_routes = floyd_get_onelink_routes;
1124   new_component->generic_routing.is_router = floyd_is_router;
1125   new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
1126   new_component->generic_routing.finalize = floyd_finalize;
1127   new_component->to_index = xbt_dict_new();
1128   new_component->bypassRoutes = xbt_dict_new();
1129   new_component->parse_routes = xbt_dict_new();
1130   return new_component;
1131 }
1132
1133 static void  model_floyd_load(void) {
1134  /* use "surfxml_add_callback" to add a parse function call */
1135 }
1136
1137 static void  model_floyd_unload(void) {
1138  /* use "surfxml_del_callback" to remove a parse function call */
1139 }
1140
1141 static void  model_floyd_end(void) {
1142
1143   routing_component_floyd_t routing = ((routing_component_floyd_t)current_routing);
1144   xbt_dict_cursor_t cursor = NULL;
1145   double * cost_table;
1146   char *key,*data, *end;
1147   const char *sep = "#";
1148   xbt_dynar_t keys;
1149   int src_id, dst_id;
1150   unsigned int i,j,a,b,c;
1151
1152   /* set the size of inicial table */
1153   int table_size = xbt_dict_length(routing->to_index);
1154
1155   /* Create Cost, Predecessor and Link tables */
1156   cost_table = xbt_new0(double, table_size*table_size); /* link cost from host to host */
1157   routing->predecessor_table = xbt_new0(int, table_size*table_size); /* predecessor host numbers */
1158   routing->link_table = xbt_new0(route_extended_t, table_size*table_size); /* actual link between src and dst */
1159
1160   /* Initialize costs and predecessors*/
1161   for(i = 0; i<table_size;i++)
1162     for(j = 0; j<table_size;j++) {
1163         TO_FLOYD_COST(i,j) = DBL_MAX;
1164         TO_FLOYD_PRED(i,j) = -1;
1165         TO_FLOYD_LINK(i,j) = NULL; /* fixed, missing in the previous version */
1166     }
1167
1168    /* Put the routes in position */
1169   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1170     keys = xbt_str_split_str(key, sep);
1171     src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1172     dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1173     TO_FLOYD_LINK(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,0);
1174     TO_FLOYD_PRED(src_id,dst_id) = src_id;
1175     /* set link cost */
1176     TO_FLOYD_COST(src_id,dst_id) = ((TO_FLOYD_LINK(src_id,dst_id))->generic_route.link_list)->used; /* count of links, old model assume 1 */
1177     xbt_dynar_free(&keys);
1178   }
1179
1180   /* Add the loopback if needed */
1181   if(current_routing->hierarchy == SURF_ROUTING_BASE) {
1182     for (i = 0; i < table_size; i++) {
1183       route_extended_t e_route = TO_FLOYD_LINK(i, i);
1184       if(!e_route) {
1185         e_route = xbt_new0(s_route_extended_t,1);
1186         e_route->src_gateway = NULL;
1187         e_route->dst_gateway = NULL;
1188         e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
1189         xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
1190         TO_FLOYD_LINK(i,i) = e_route;
1191         TO_FLOYD_PRED(i,i) = i;
1192         TO_FLOYD_COST(i,i) = 1;
1193       }
1194     }
1195   }
1196   /* Calculate path costs */
1197   for(c=0;c<table_size;c++) {
1198     for(a=0;a<table_size;a++) {
1199       for(b=0;b<table_size;b++) {
1200         if(TO_FLOYD_COST(a,c) < DBL_MAX && TO_FLOYD_COST(c,b) < DBL_MAX) {
1201           if(TO_FLOYD_COST(a,b) == DBL_MAX ||
1202             (TO_FLOYD_COST(a,c)+TO_FLOYD_COST(c,b) < TO_FLOYD_COST(a,b))) {
1203             TO_FLOYD_COST(a,b) = TO_FLOYD_COST(a,c)+TO_FLOYD_COST(c,b);
1204             TO_FLOYD_PRED(a,b) = TO_FLOYD_PRED(c,b);
1205           }
1206         }
1207       }
1208     }
1209   }
1210
1211    /* delete the parse table */
1212   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1213     route_t route = (route_t)data;
1214     xbt_dynar_free(&(route->link_list));
1215     xbt_free(data);
1216   }
1217
1218   /* delete parse dict */
1219   xbt_dict_free(&(routing->parse_routes));
1220
1221   /* cleanup */
1222   xbt_free(cost_table);
1223 }
1224
1225 /* ************************************************************************** */
1226 /* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
1227
1228 typedef struct {
1229   s_routing_component_t generic_routing;
1230   xbt_dict_t to_index;
1231   xbt_dict_t bypassRoutes;
1232   xbt_graph_t route_graph;   /* xbt_graph */
1233   xbt_dict_t graph_node_map; /* map */
1234   xbt_dict_t route_cache;    /* use in cache mode */
1235   int cached;
1236   xbt_dict_t parse_routes;
1237 } s_routing_component_dijkstra_t,*routing_component_dijkstra_t;
1238
1239
1240 typedef struct graph_node_data {
1241   int id;
1242   int graph_id; /* used for caching internal graph id's */
1243 } s_graph_node_data_t, * graph_node_data_t;
1244
1245 typedef struct graph_node_map_element {
1246   xbt_node_t node;
1247 } s_graph_node_map_element_t, * graph_node_map_element_t;
1248
1249 typedef struct route_cache_element {
1250   int * pred_arr;
1251   int size;
1252 } s_route_cache_element_t, * route_cache_element_t;
1253
1254 /* Free functions */
1255
1256 static void route_cache_elem_free(void *e) {
1257   route_cache_element_t elm=(route_cache_element_t)e;
1258   if (elm) {
1259     xbt_free(elm->pred_arr);
1260     xbt_free(elm);
1261   }
1262 }
1263
1264 static void graph_node_map_elem_free(void *e) {
1265   graph_node_map_element_t elm = (graph_node_map_element_t)e;
1266   if(elm) {
1267     xbt_free(elm);
1268   }
1269 }
1270
1271 static void graph_edge_data_free(void *e) {
1272   route_extended_t e_route = (route_extended_t)e;
1273   if(e_route) {
1274     xbt_dynar_free(&(e_route->generic_route.link_list));
1275     if(e_route->src_gateway) xbt_free(e_route->src_gateway);
1276     if(e_route->dst_gateway) xbt_free(e_route->dst_gateway);
1277     xbt_free(e_route);
1278   }
1279 }
1280
1281 /* Utility functions */
1282
1283 static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc, int id, int graph_id) {
1284   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1285   xbt_node_t node = NULL;
1286   graph_node_data_t data = NULL;
1287   graph_node_map_element_t elm = NULL;
1288
1289   data = xbt_new0(struct graph_node_data, 1);
1290   data->id = id;
1291   data->graph_id = graph_id;
1292   node = xbt_graph_new_node(routing->route_graph, data);
1293
1294   elm = xbt_new0(struct graph_node_map_element, 1);
1295   elm->node = node;
1296   xbt_dict_set_ext(routing->graph_node_map, (char*)(&id), sizeof(int), (xbt_set_elm_t)elm, &graph_node_map_elem_free);
1297
1298   return node;
1299 }
1300
1301 static graph_node_map_element_t graph_node_map_search(routing_component_dijkstra_t rc, int id) {
1302   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1303   graph_node_map_element_t elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&id), sizeof(int));
1304   return elm;
1305 }
1306
1307 /* Parsing */
1308
1309 static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id, int dst_id, route_extended_t e_route ) {
1310   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1311
1312   xbt_node_t src = NULL;
1313   xbt_node_t dst = NULL;
1314   graph_node_map_element_t src_elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&src_id), sizeof(int));
1315   graph_node_map_element_t dst_elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&dst_id), sizeof(int));
1316
1317   if(src_elm)
1318     src = src_elm->node;
1319
1320   if(dst_elm)
1321     dst = dst_elm->node;
1322
1323   /* add nodes if they don't exist in the graph */
1324   if(src_id == dst_id && src == NULL && dst == NULL) {
1325     src = route_graph_new_node(rc,src_id, -1);
1326     dst = src;
1327   } else {
1328     if(src == NULL) {
1329       src = route_graph_new_node(rc,src_id, -1);
1330     }
1331     if(dst == NULL) {
1332       dst = route_graph_new_node(rc,dst_id, -1);
1333     }
1334   }
1335
1336   /* add link as edge to graph */
1337   xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
1338 }
1339
1340 static void add_loopback_dijkstra(routing_component_dijkstra_t rc) {
1341   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1342
1343   xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1344
1345   xbt_node_t node = NULL;
1346   unsigned int cursor2;
1347   xbt_dynar_foreach(nodes, cursor2, node) {
1348     xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
1349     xbt_edge_t edge = NULL;
1350     unsigned int cursor;
1351
1352     int found = 0;
1353     xbt_dynar_foreach(out_edges, cursor, edge) {
1354       xbt_node_t other_node = xbt_graph_edge_get_target(edge);
1355       if(other_node == node) {
1356         found = 1;
1357         break;
1358       }
1359     }
1360
1361     if(!found) {
1362       route_extended_t e_route = xbt_new0(s_route_extended_t,1);
1363       e_route->src_gateway = NULL;
1364       e_route->dst_gateway = NULL;
1365       e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
1366       xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
1367       xbt_graph_new_edge(routing->route_graph, node, node, e_route);
1368     }
1369   }
1370 }
1371
1372 /* Business methods */
1373 static xbt_dynar_t dijkstra_get_onelink_routes(routing_component_t rc)
1374 {
1375   xbt_die("\"dijkstra_get_onelink_routes\" function not implemented yet");
1376 }
1377
1378 static int dijkstra_is_router(routing_component_t rc, const char *name)
1379 {
1380   routing_component_dijkstra_t routing = (routing_component_dijkstra_t)rc;
1381
1382   if(SURF_NETWORK_ELEMENT_ROUTER == ( (network_element_t) xbt_dict_get(routing->to_index , name) )->type )
1383           return 1;
1384   else
1385           return 0;
1386 }
1387
1388 static route_extended_t dijkstra_get_route(routing_component_t rc, const char* src,const char* dst) {
1389   xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
1390
1391   /* set utils vars */
1392   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1393
1394   generic_src_dst_check(rc,src,dst);
1395   int *src_id = xbt_dict_get_or_null(routing->to_index,src);
1396   int *dst_id = xbt_dict_get_or_null(routing->to_index,dst);
1397   xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",src,dst);
1398
1399   /* create a result route */
1400   route_extended_t new_e_route = xbt_new0(s_route_extended_t,1);
1401   new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
1402   new_e_route->src_gateway = NULL;
1403   new_e_route->dst_gateway = NULL;
1404
1405   int *pred_arr = NULL;
1406   int src_node_id = 0;
1407   int dst_node_id = 0;
1408   int * nodeid = NULL;
1409   int v;
1410   route_extended_t e_route;
1411   int size = 0;
1412   unsigned int cpt;
1413   void* link;
1414   xbt_dynar_t links = NULL;
1415   route_cache_element_t elm = NULL;
1416   xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
1417
1418   /* Use the graph_node id mapping set to quickly find the nodes */
1419   graph_node_map_element_t src_elm = graph_node_map_search(routing,*src_id);
1420   graph_node_map_element_t dst_elm = graph_node_map_search(routing,*dst_id);
1421   xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", *src_id, *dst_id);
1422   src_node_id = ((graph_node_data_t)xbt_graph_node_get_data(src_elm->node))->graph_id;
1423   dst_node_id = ((graph_node_data_t)xbt_graph_node_get_data(dst_elm->node))->graph_id;
1424
1425   /* if the src and dst are the same */  /* fixed, missing in the previous version */
1426   if( src_node_id == dst_node_id ) {
1427
1428     xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
1429     xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
1430     xbt_edge_t edge = xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
1431
1432     xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id, *dst_id);
1433
1434     e_route = (route_extended_t)xbt_graph_edge_get_data(edge);
1435
1436     links = e_route->generic_route.link_list;
1437     xbt_dynar_foreach(links, cpt, link) {
1438       xbt_dynar_unshift(new_e_route->generic_route.link_list,&link);
1439     }
1440
1441     return new_e_route;
1442   }
1443
1444   if(routing->cached) {
1445     /*check if there is a cached predecessor list avail */
1446     elm = (route_cache_element_t)xbt_dict_get_or_null_ext(routing->route_cache, (char*)(&src_id), sizeof(int));
1447   }
1448
1449   if(elm) { /* cached mode and cache hit */
1450     pred_arr = elm->pred_arr;
1451   } else { /* not cached mode or cache miss */
1452     double * cost_arr = NULL;
1453     xbt_heap_t pqueue = NULL;
1454     int i = 0;
1455
1456     int nr_nodes = xbt_dynar_length(nodes);
1457     cost_arr = xbt_new0(double, nr_nodes); /* link cost from src to other hosts */
1458     pred_arr = xbt_new0(int, nr_nodes);    /* predecessors in path from src */
1459     pqueue = xbt_heap_new(nr_nodes, xbt_free);
1460
1461     /* initialize */
1462     cost_arr[src_node_id] = 0.0;
1463
1464     for(i = 0; i < nr_nodes; i++) {
1465       if(i != src_node_id) {
1466         cost_arr[i] = DBL_MAX;
1467       }
1468
1469       pred_arr[i] = 0;
1470
1471       /* initialize priority queue */
1472       nodeid = xbt_new0(int, 1);
1473       *nodeid = i;
1474       xbt_heap_push(pqueue, nodeid, cost_arr[i]);
1475
1476     }
1477
1478     /* apply dijkstra using the indexes from the graph's node array */
1479     while(xbt_heap_size(pqueue) > 0) {
1480       int * v_id = xbt_heap_pop(pqueue);
1481       xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
1482       xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
1483       xbt_edge_t edge = NULL;
1484       unsigned int cursor;
1485
1486       xbt_dynar_foreach(out_edges, cursor, edge) {
1487         xbt_node_t u_node = xbt_graph_edge_get_target(edge);
1488         graph_node_data_t data = xbt_graph_node_get_data(u_node);
1489         int u_id = data->graph_id;
1490         route_extended_t tmp_e_route = (route_extended_t)xbt_graph_edge_get_data(edge);
1491         int cost_v_u = (tmp_e_route->generic_route.link_list)->used;  /* count of links, old model assume 1 */
1492
1493         if(cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
1494           pred_arr[u_id] = *v_id;
1495           cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
1496           nodeid = xbt_new0(int, 1);
1497           *nodeid = u_id;
1498           xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
1499         }
1500       }
1501
1502       /* free item popped from pqueue */
1503       xbt_free(v_id);
1504     }
1505
1506     xbt_free(cost_arr);
1507     xbt_heap_free(pqueue);
1508   }
1509
1510   /* compose route path with links */
1511   char *gw_src=NULL,*gw_dst=NULL, *prev_gw_src,*prev_gw_dst, *first_gw=NULL;
1512
1513   for(v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
1514     xbt_node_t node_pred_v = xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
1515     xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
1516     xbt_edge_t edge = xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
1517
1518     xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id, *dst_id);
1519
1520     prev_gw_src = gw_src;
1521     prev_gw_dst = gw_dst;
1522
1523     e_route = (route_extended_t)xbt_graph_edge_get_data(edge);
1524     gw_src = e_route->src_gateway;
1525     gw_dst = e_route->dst_gateway;
1526
1527     if(v==dst_node_id) first_gw = gw_dst;
1528
1529     if(rc->hierarchy == SURF_ROUTING_RECURSIVE && v!=dst_node_id && strcmp(gw_dst,prev_gw_src)) {
1530       xbt_dynar_t e_route_as_to_as = (*(global_routing->get_route))(gw_dst,prev_gw_src);
1531       xbt_assert2(e_route_as_to_as,"no route between \"%s\" and \"%s\"",gw_dst,prev_gw_src);
1532       links = e_route_as_to_as;
1533       int pos = 0;
1534       xbt_dynar_foreach(links, cpt, link) {
1535         xbt_dynar_insert_at(new_e_route->generic_route.link_list,pos,&link);
1536         pos++;
1537       }
1538     }
1539
1540     links = e_route->generic_route.link_list;
1541     xbt_dynar_foreach(links, cpt, link) {
1542       xbt_dynar_unshift(new_e_route->generic_route.link_list,&link);
1543     }
1544     size++;
1545   }
1546
1547   if(rc->hierarchy == SURF_ROUTING_RECURSIVE) {
1548     new_e_route->src_gateway = xbt_strdup(gw_src);
1549     new_e_route->dst_gateway = xbt_strdup(first_gw);
1550   }
1551
1552   if(routing->cached && elm == NULL) {
1553     /* add to predecessor list of the current src-host to cache */
1554     elm = xbt_new0(struct route_cache_element, 1);
1555     elm->pred_arr = pred_arr;
1556     elm->size = size;
1557     xbt_dict_set_ext(routing->route_cache, (char*)(&src_id), sizeof(int), (xbt_set_elm_t)elm, &route_cache_elem_free);
1558   }
1559
1560   if(!routing->cached)
1561     xbt_free(pred_arr);
1562
1563   return new_e_route;
1564 }
1565
1566 static void dijkstra_finalize(routing_component_t rc) {
1567   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
1568
1569   if (routing) {
1570     xbt_graph_free_graph(routing->route_graph, &xbt_free, &graph_edge_data_free, &xbt_free);
1571     xbt_dict_free(&routing->graph_node_map);
1572     if(routing->cached)
1573       xbt_dict_free(&routing->route_cache);
1574     /* Delete bypass dict */
1575     xbt_dict_free(&routing->bypassRoutes);
1576     /* Delete index dict */
1577     xbt_dict_free(&(routing->to_index));
1578     /* Delete structure */
1579     xbt_free(routing);
1580   }
1581 }
1582
1583 /* Creation routing model functions */
1584
1585 static void* model_dijkstra_both_create(int cached) {
1586   routing_component_dijkstra_t new_component = xbt_new0(s_routing_component_dijkstra_t,1);
1587   new_component->generic_routing.set_processing_unit = generic_set_processing_unit;
1588   new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system;
1589   new_component->generic_routing.set_route = generic_set_route;
1590   new_component->generic_routing.set_ASroute = generic_set_ASroute;
1591   new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
1592   new_component->generic_routing.get_route = dijkstra_get_route;
1593   new_component->generic_routing.get_onelink_routes = dijkstra_get_onelink_routes;
1594   new_component->generic_routing.is_router = dijkstra_is_router;
1595   new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
1596   new_component->generic_routing.finalize = dijkstra_finalize;
1597   new_component->cached = cached;
1598   new_component->to_index = xbt_dict_new();
1599   new_component->bypassRoutes = xbt_dict_new();
1600   new_component->parse_routes = xbt_dict_new();
1601   return new_component;
1602 }
1603
1604 static void* model_dijkstra_create(void) {
1605   return model_dijkstra_both_create(0);
1606 }
1607
1608 static void* model_dijkstracache_create(void) {
1609   return model_dijkstra_both_create(1);
1610 }
1611
1612 static void  model_dijkstra_both_load(void) {
1613  /* use "surfxml_add_callback" to add a parse function call */
1614 }
1615
1616 static void  model_dijkstra_both_unload(void) {
1617  /* use "surfxml_del_callback" to remove a parse function call */
1618 }
1619
1620 static void  model_dijkstra_both_end(void) {
1621   routing_component_dijkstra_t routing = (routing_component_dijkstra_t) current_routing;
1622    xbt_dict_cursor_t cursor = NULL;
1623    char *key, *data, *end;
1624    const char *sep = "#";
1625    xbt_dynar_t keys;
1626   xbt_node_t node = NULL;
1627   unsigned int cursor2;
1628   xbt_dynar_t nodes = NULL;
1629   int src_id, dst_id;
1630   route_t route;
1631
1632   /* Create the topology graph */
1633   routing->route_graph = xbt_graph_new_graph(1, NULL);
1634   routing->graph_node_map = xbt_dict_new();
1635
1636   if(routing->cached)
1637     routing->route_cache = xbt_dict_new();
1638
1639   /* Put the routes in position */
1640   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1641     keys = xbt_str_split_str(key, sep);
1642     src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
1643     dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
1644     route_extended_t e_route = generic_new_extended_route(current_routing->hierarchy,data,0);
1645     route_new_dijkstra(routing,src_id,dst_id,e_route);
1646     xbt_dynar_free(&keys);
1647   }
1648
1649   /* delete the parse table */
1650   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
1651     route = (route_t)data;
1652     xbt_dynar_free(&(route->link_list));
1653     xbt_free(data);
1654   }
1655
1656   /* delete parse dict */
1657   xbt_dict_free(&(routing->parse_routes));
1658
1659   /* Add the loopback if needed */
1660   if(current_routing->hierarchy == SURF_ROUTING_BASE)
1661     add_loopback_dijkstra(routing);
1662
1663   /* initialize graph indexes in nodes after graph has been built */
1664   nodes = xbt_graph_get_nodes(routing->route_graph);
1665
1666   xbt_dynar_foreach(nodes, cursor2, node) {
1667     graph_node_data_t data = xbt_graph_node_get_data(node);
1668     data->graph_id = cursor2;
1669   }
1670
1671 }
1672
1673 #ifdef HAVE_PCRE_LIB
1674 /* ************************************************** */
1675 /* ************** RULE-BASED ROUTING **************** */
1676
1677 /* Routing model structure */
1678
1679 typedef struct {
1680   s_routing_component_t generic_routing;
1681   xbt_dict_t  dict_processing_units;
1682   xbt_dict_t  dict_autonomous_systems;
1683   xbt_dynar_t list_route;
1684   xbt_dynar_t list_ASroute;
1685 } s_routing_component_rulebased_t,*routing_component_rulebased_t;
1686
1687 typedef struct s_rule_route s_rule_route_t, *rule_route_t;
1688 typedef struct s_rule_route_extended s_rule_route_extended_t, *rule_route_extended_t;
1689
1690 struct s_rule_route {
1691   xbt_dynar_t re_str_link; // dynar of char*
1692   pcre* re_src;
1693   pcre* re_dst;
1694 };
1695
1696 struct s_rule_route_extended {
1697   s_rule_route_t generic_rule_route;
1698   char* re_src_gateway;
1699   char* re_dst_gateway;
1700 };
1701
1702 static void rule_route_free(void *e) {
1703   rule_route_t* elem = (rule_route_t*)(e);
1704   if (*elem) {
1705     xbt_dynar_free(&(*elem)->re_str_link);
1706     pcre_free((*elem)->re_src);
1707     pcre_free((*elem)->re_dst);
1708     xbt_free((*elem));
1709   }
1710   (*elem) = NULL;
1711 }
1712
1713 static void rule_route_extended_free(void *e) {
1714   rule_route_extended_t* elem = (rule_route_extended_t*)e;
1715   if (*elem) {
1716     xbt_dynar_free(&(*elem)->generic_rule_route.re_str_link);
1717     pcre_free((*elem)->generic_rule_route.re_src);
1718     pcre_free((*elem)->generic_rule_route.re_dst);
1719     xbt_free((*elem)->re_src_gateway);
1720     xbt_free((*elem)->re_dst_gateway);
1721     xbt_free((*elem));
1722   }
1723 }
1724
1725 /* Parse routing model functions */
1726
1727 static void model_rulebased_set_processing_unit(routing_component_t rc, const char* name) {
1728   routing_component_rulebased_t routing = (routing_component_rulebased_t) rc;
1729   xbt_dict_set(routing->dict_processing_units, name, (void*)(-1), NULL);
1730 }
1731
1732 static void model_rulebased_set_autonomous_system(routing_component_t rc, const char* name) {
1733   routing_component_rulebased_t routing = (routing_component_rulebased_t) rc;
1734   xbt_dict_set(routing->dict_autonomous_systems, name, (void*)(-1), NULL);
1735 }
1736
1737 static void model_rulebased_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {
1738   routing_component_rulebased_t routing = (routing_component_rulebased_t) rc;
1739   rule_route_t ruleroute = xbt_new0(s_rule_route_t,1);
1740   const char *error;
1741   int erroffset;
1742   ruleroute->re_src = pcre_compile(src,0,&error,&erroffset,NULL);
1743   xbt_assert3(ruleroute->re_src,"PCRE compilation failed at offset %d (\"%s\"): %s\n", erroffset, src, error);
1744   ruleroute->re_dst = pcre_compile(dst,0,&error,&erroffset,NULL);
1745   xbt_assert3(ruleroute->re_src,"PCRE compilation failed at offset %d (\"%s\"): %s\n", erroffset, dst, error);
1746   ruleroute->re_str_link = route->link_list;
1747   xbt_dynar_push(routing->list_route,&ruleroute);
1748   xbt_free(route);
1749 }
1750
1751 static void model_rulebased_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {
1752   routing_component_rulebased_t routing = (routing_component_rulebased_t) rc;
1753   rule_route_extended_t ruleroute_e = xbt_new0(s_rule_route_extended_t,1);
1754   const char *error;
1755   int erroffset;
1756   ruleroute_e->generic_rule_route.re_src = pcre_compile(src,0,&error,&erroffset,NULL);
1757   xbt_assert3(ruleroute_e->generic_rule_route.re_src,"PCRE compilation failed at offset %d (\"%s\"): %s\n", erroffset, src, error);
1758   ruleroute_e->generic_rule_route.re_dst = pcre_compile(dst,0,&error,&erroffset,NULL);
1759   xbt_assert3(ruleroute_e->generic_rule_route.re_src,"PCRE compilation failed at offset %d (\"%s\"): %s\n", erroffset, dst, error);
1760   ruleroute_e->generic_rule_route.re_str_link = route->generic_route.link_list;
1761   ruleroute_e->re_src_gateway = route->src_gateway;
1762   ruleroute_e->re_dst_gateway = route->dst_gateway;
1763   xbt_dynar_push(routing->list_ASroute,&ruleroute_e);
1764   xbt_free(route->src_gateway);
1765   xbt_free(route->dst_gateway);
1766   xbt_free(route);
1767 }
1768
1769 static void model_rulebased_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {
1770   xbt_die("bypass routing not supported for Route-Based model");
1771 }
1772
1773 #define BUFFER_SIZE 4096  /* result buffer size */
1774 #define OVECCOUNT 30      /* should be a multiple of 3 */
1775
1776 static char* remplace(char* value, const char** src_list, int src_size, const char** dst_list, int dst_size ) {
1777
1778   char result_result[BUFFER_SIZE];
1779   int i_result_buffer;
1780   int value_length = (int)strlen(value);
1781   int number=0;
1782
1783   int i=0;
1784   i_result_buffer = 0;
1785   do {
1786     if( value[i] == '$' ) {
1787       i++; // skip $
1788
1789       // find the number
1790       int number_length = 0;
1791       while( '0' <= value[i+number_length] && value[i+number_length] <= '9' ) {
1792         number_length++;
1793       }
1794       xbt_assert2( number_length!=0, "bad string parameter, no number indication, at offset: %d (\"%s\")",i,value);
1795
1796       // solve number
1797       number = atoi(value+i);
1798       i=i+number_length;
1799       xbt_assert2(i+2<value_length,"bad string parameter, too few chars, at offset: %d (\"%s\")",i,value);
1800
1801       // solve the indication
1802       const char** param_list;
1803       int param_size;
1804       if( value[i] == 's' && value[i+1] == 'r' && value[i+2] == 'c' ) {
1805         param_list = src_list;
1806         param_size = src_size;
1807       } else  if( value[i] == 'd' && value[i+1] == 's' && value[i+2] == 't' ) {
1808         param_list = dst_list;
1809         param_size = dst_size;
1810       } else {
1811         xbt_assert2(0,"bad string parameter, support only \"src\" and \"dst\", at offset: %d (\"%s\")",i,value);
1812       }
1813       i=i+3;
1814
1815       xbt_assert4( param_size >= number, "bad string parameter, not enough length param_size, at offset: %d (\"%s\") %d %d",i,value,param_size,number);
1816
1817       const char* param = param_list[number];
1818       int size = strlen(param);
1819       int cp;
1820       for(cp = 0; cp < size; cp++ ) {
1821         result_result[i_result_buffer] = param[cp];
1822         i_result_buffer++;
1823         if( i_result_buffer >= BUFFER_SIZE ) break;
1824       }
1825     } else {
1826       result_result[i_result_buffer] = value[i];
1827       i_result_buffer++;
1828       i++; // next char
1829     }
1830
1831   } while(i<value_length && i_result_buffer < BUFFER_SIZE);
1832
1833   xbt_assert2( i_result_buffer < BUFFER_SIZE, "solving string \"%s\", small buffer size (%d)",value,BUFFER_SIZE);
1834   result_result[i_result_buffer] = 0;
1835   return xbt_strdup(result_result);
1836 }
1837
1838 static xbt_dynar_t rulebased_get_onelink_routes(routing_component_t rc)
1839 {
1840   xbt_die("\"rulebased_get_onelink_routes\" function not implemented yet");
1841 }
1842
1843 static int rulebased_is_router(routing_component_t rc, const char *name)
1844 {
1845           //routing_component_rulebased_t routing = (routing_component_rulebased_t)rc;
1846
1847 //PIERRE FIXME
1848
1849         xbt_die("\"rulebased_is_router\" function not implemented yet");
1850 }
1851
1852 /* Business methods */
1853 static route_extended_t rulebased_get_route(routing_component_t rc, const char* src,const char* dst) {
1854   xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
1855
1856   /* set utils vars */
1857   routing_component_rulebased_t routing = (routing_component_rulebased_t) rc;
1858
1859   int are_processing_units;
1860   xbt_dynar_t rule_list;
1861   if( xbt_dict_get_or_null(routing->dict_processing_units,src) && xbt_dict_get_or_null(routing->dict_processing_units,dst) ) {
1862     are_processing_units = 1;
1863     rule_list = routing->list_route;
1864   } else if( xbt_dict_get_or_null(routing->dict_autonomous_systems,src) && xbt_dict_get_or_null(routing->dict_autonomous_systems,dst) ) {
1865     are_processing_units = 0;
1866     rule_list = routing->list_ASroute;
1867   } else
1868      xbt_assert2(NULL, "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",src,dst);
1869
1870   int rc_src = -1;
1871   int rc_dst = -1;
1872   int src_length = (int)strlen(src);
1873   int dst_length = (int)strlen(dst);
1874
1875   xbt_dynar_t links_list = xbt_dynar_new(global_routing->size_of_link,NULL);
1876
1877   rule_route_t ruleroute;
1878   unsigned int cpt;
1879   int ovector_src[OVECCOUNT];
1880   int ovector_dst[OVECCOUNT];
1881   const char** list_src = NULL;
1882   const char** list_dst = NULL;
1883   xbt_dynar_foreach(rule_list, cpt, ruleroute) {
1884     rc_src = pcre_exec(ruleroute->re_src,NULL,src,src_length,0,0,ovector_src,OVECCOUNT);
1885     if( rc_src >= 0 ) {
1886       rc_dst = pcre_exec(ruleroute->re_dst,NULL,dst,dst_length,0,0,ovector_dst,OVECCOUNT);
1887       if( rc_dst >= 0 ) {
1888         xbt_assert1(!pcre_get_substring_list(src,ovector_src,rc_src,&list_src),"error solving substring list for src \"%s\"",src);
1889         xbt_assert1(!pcre_get_substring_list(dst,ovector_dst,rc_dst,&list_dst),"error solving substring list for src \"%s\"",dst);
1890         char* link_name;
1891         xbt_dynar_foreach(ruleroute->re_str_link, cpt, link_name) {
1892           char* new_link_name = remplace(link_name,list_src,rc_src,list_dst,rc_dst);
1893           void* link = xbt_dict_get_or_null(surf_network_model->resource_set, new_link_name);
1894           if (link)
1895             xbt_dynar_push(links_list,&link);
1896           else
1897             THROW1(mismatch_error,0,"Link %s not found", new_link_name);
1898           xbt_free(new_link_name);
1899         }
1900       }
1901     }
1902     if( rc_src >= 0 && rc_dst >= 0 ) break;
1903   }
1904
1905   route_extended_t new_e_route = NULL;
1906   if(rc_src >= 0 && rc_dst >= 0) {
1907     new_e_route = xbt_new0(s_route_extended_t,1);
1908     new_e_route->generic_route.link_list = links_list;
1909   } else if( !strcmp(src,dst) && are_processing_units ) {
1910     new_e_route = xbt_new0(s_route_extended_t,1);
1911     xbt_dynar_push(links_list,&(global_routing->loopback));
1912     new_e_route->generic_route.link_list = links_list;
1913   } else {
1914     xbt_dynar_free(&link_list);
1915   }
1916
1917   if(!are_processing_units && new_e_route)
1918   {
1919     rule_route_extended_t ruleroute_extended = (rule_route_extended_t)ruleroute;
1920     new_e_route->src_gateway = remplace(ruleroute_extended->re_src_gateway,list_src,rc_src,list_dst,rc_dst);
1921     new_e_route->dst_gateway = remplace(ruleroute_extended->re_dst_gateway,list_src,rc_src,list_dst,rc_dst);
1922   }
1923
1924   if(list_src) pcre_free_substring_list(list_src);
1925   if(list_dst) pcre_free_substring_list(list_dst);
1926
1927   return new_e_route;
1928 }
1929
1930 static route_extended_t rulebased_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {
1931   return NULL;
1932 }
1933
1934 static void rulebased_finalize(routing_component_t rc) {
1935   routing_component_rulebased_t routing = (routing_component_rulebased_t) rc;
1936   if (routing) {
1937     xbt_dict_free(&routing->dict_processing_units);
1938     xbt_dict_free(&routing->dict_autonomous_systems);
1939     xbt_dynar_free(&routing->list_route);
1940     xbt_dynar_free(&routing->list_ASroute);
1941     /* Delete structure */
1942     xbt_free(routing);
1943   }
1944 }
1945
1946 /* Creation routing model functions */
1947 static void* model_rulebased_create(void) {
1948   routing_component_rulebased_t new_component =  xbt_new0(s_routing_component_rulebased_t,1);
1949   new_component->generic_routing.set_processing_unit = model_rulebased_set_processing_unit;
1950   new_component->generic_routing.set_autonomous_system = model_rulebased_set_autonomous_system;
1951   new_component->generic_routing.set_route = model_rulebased_set_route;
1952   new_component->generic_routing.set_ASroute = model_rulebased_set_ASroute;
1953   new_component->generic_routing.set_bypassroute = model_rulebased_set_bypassroute;
1954   new_component->generic_routing.get_onelink_routes = rulebased_get_onelink_routes;
1955   new_component->generic_routing.is_router = rulebased_is_router;
1956   new_component->generic_routing.get_route = rulebased_get_route;
1957   new_component->generic_routing.get_bypass_route = NULL; //rulebased_get_bypass_route;
1958   new_component->generic_routing.finalize = rulebased_finalize;
1959   /* initialization of internal structures */
1960   new_component->dict_processing_units = xbt_dict_new();
1961   new_component->dict_autonomous_systems = xbt_dict_new();
1962   new_component->list_route = xbt_dynar_new(sizeof(rule_route_t), &rule_route_free);
1963   new_component->list_ASroute = xbt_dynar_new(sizeof(rule_route_extended_t), &rule_route_extended_free);
1964   return new_component;
1965 }
1966
1967 static void  model_rulebased_load(void) {
1968  /* use "surfxml_add_callback" to add a parse function call */
1969 }
1970
1971 static void  model_rulebased_unload(void) {
1972  /* use "surfxml_del_callback" to remove a parse function call */
1973 }
1974
1975 static void  model_rulebased_end(void) {
1976 }
1977
1978 #endif /* HAVE_PCRE_LIB */
1979
1980 /* ************************************************************************** */
1981 /* ******************************* NO ROUTING ******************************* */
1982
1983 /* Routing model structure */
1984 typedef struct {
1985   s_routing_component_t generic_routing;
1986 } s_routing_component_none_t,*routing_component_none_t;
1987
1988 /* Business methods */
1989 static xbt_dynar_t none_get_onelink_routes(routing_component_t rc){
1990   return NULL;
1991 }
1992 static int none_is_router(routing_component_t rc, const char *name){
1993   return -1;
1994 }
1995 static route_extended_t none_get_route(routing_component_t rc, const char* src,const char* dst){
1996   return NULL;
1997 }
1998 static route_extended_t none_get_bypass_route(routing_component_t rc, const char* src,const char* dst){
1999   return NULL;
2000 }
2001 static void none_finalize(routing_component_t rc) {
2002   xbt_free(rc);
2003 }
2004
2005 static void none_set_processing_unit(routing_component_t rc, const char* name) {}
2006 static void none_set_autonomous_system(routing_component_t rc, const char* name) {}
2007
2008 /* Creation routing model functions */
2009 static void* model_none_create(void) {
2010   routing_component_none_t new_component =  xbt_new0(s_routing_component_none_t,1);
2011   new_component->generic_routing.set_processing_unit = none_set_processing_unit;
2012   new_component->generic_routing.set_autonomous_system = none_set_autonomous_system;
2013   new_component->generic_routing.set_route = NULL;
2014   new_component->generic_routing.set_ASroute = NULL;
2015   new_component->generic_routing.set_bypassroute = NULL;
2016   new_component->generic_routing.get_route = none_get_route;
2017   new_component->generic_routing.get_onelink_routes = none_get_onelink_routes;
2018   new_component->generic_routing.is_router = none_is_router;
2019   new_component->generic_routing.get_bypass_route = none_get_bypass_route;
2020   new_component->generic_routing.finalize = none_finalize;
2021   return new_component;
2022 }
2023
2024 static void  model_none_load(void) {}
2025 static void  model_none_unload(void) {}
2026 static void  model_none_end(void) {}
2027
2028 /* ************************************************** */
2029 /* ********** PATERN FOR NEW ROUTING **************** */
2030
2031 /* The minimal configuration of a new routing model need the next functions,
2032  * also you need to set at the start of the file, the new model in the model
2033  * list. Remember keep the null ending of the list.
2034  */
2035 /*** Routing model structure ***/
2036 // typedef struct {
2037 //   s_routing_component_t generic_routing;
2038 //   /* things that your routing model need */
2039 // } s_routing_component_NEW_t,*routing_component_NEW_t;
2040
2041 /*** Parse routing model functions ***/
2042 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
2043 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
2044 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
2045 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
2046 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
2047
2048 /*** Business methods ***/
2049 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2050 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
2051 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
2052
2053 /*** Creation routing model functions ***/
2054 // static void* model_NEW_create(void) {
2055 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
2056 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
2057 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
2058 //   new_component->generic_routing.set_route = model_NEW_set_route;
2059 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
2060 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
2061 //   new_component->generic_routing.get_route = NEW_get_route;
2062 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
2063 //   new_component->generic_routing.finalize = NEW_finalize;
2064 //   /* initialization of internal structures */
2065 //   return new_component;
2066 // } /* mandatory */
2067 // static void  model_NEW_load(void) {}   /* mandatory */
2068 // static void  model_NEW_unload(void) {} /* mandatory */
2069 // static void  model_NEW_end(void) {}    /* mandatory */
2070
2071 /* ************************************************************************** */
2072 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
2073
2074 static void generic_set_processing_unit(routing_component_t rc, const char* name) {
2075   DEBUG1("Load process unit \"%s\"",name);
2076   model_type_t modeltype = rc->routing;
2077   int *id = xbt_new0(int,1);
2078   xbt_dict_t _to_index;
2079   if(modeltype==&routing_models[SURF_MODEL_FULL])
2080     _to_index = ((routing_component_full_t)rc)->to_index;
2081
2082   else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
2083     _to_index = ((routing_component_floyd_t)rc)->to_index;
2084
2085   else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
2086           modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE])
2087     _to_index = ((routing_component_dijkstra_t)rc)->to_index;
2088
2089   else xbt_die("\"generic_set_processing_unit\" not supported");
2090   *id = xbt_dict_length(_to_index);
2091   xbt_dict_set(_to_index,name,id,xbt_free);
2092 }
2093
2094 static void generic_set_autonomous_system(routing_component_t rc, const char* name) {
2095   DEBUG1("Load Autonomous system \"%s\"",name);
2096   model_type_t modeltype = rc->routing;
2097   int *id = xbt_new0(int,1);
2098   xbt_dict_t _to_index;
2099   if(modeltype==&routing_models[SURF_MODEL_FULL])
2100     _to_index = ((routing_component_full_t)rc)->to_index;
2101
2102   else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
2103     _to_index = ((routing_component_floyd_t)rc)->to_index;
2104
2105   else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
2106           modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE])
2107     _to_index = ((routing_component_dijkstra_t)rc)->to_index;
2108
2109   else xbt_die("\"generic_set_autonomous_system\" not supported");
2110   *id = xbt_dict_length(_to_index);
2111   xbt_dict_set(_to_index,name,id,xbt_free);
2112 }
2113
2114 static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {
2115   DEBUG2("Load Route from \"%s\" to \"%s\"",src,dst);
2116   model_type_t modeltype = rc->routing;
2117   xbt_dict_t _parse_routes;
2118   xbt_dict_t _to_index;
2119   char *route_name;
2120   int *src_id, *dst_id;
2121
2122   if(modeltype==&routing_models[SURF_MODEL_FULL]) {
2123     _parse_routes = ((routing_component_full_t)rc)->parse_routes;
2124     _to_index = ((routing_component_full_t)rc)->to_index;
2125
2126   } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
2127     _parse_routes = ((routing_component_floyd_t)rc)->parse_routes;
2128     _to_index = ((routing_component_floyd_t)rc)->to_index;
2129
2130   } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
2131           modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
2132     _parse_routes = ((routing_component_dijkstra_t)rc)->parse_routes;
2133     _to_index = ((routing_component_dijkstra_t)rc)->to_index;
2134
2135   } else xbt_die("\"generic_set_route\" not supported");
2136
2137   src_id = xbt_dict_get_or_null(_to_index, src);
2138   dst_id = xbt_dict_get_or_null(_to_index, dst);
2139
2140   xbt_assert2(src_id&&dst_id,"Network elements %s or %s not found", src, dst);
2141   route_name = bprintf("%d#%d",*src_id,*dst_id);
2142
2143   xbt_assert2(xbt_dynar_length(route->link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst);
2144   xbt_assert2(!xbt_dict_get_or_null(_parse_routes,route_name),
2145     "The route between \"%s\" and \"%s\" already exist",src,dst);
2146
2147   xbt_dict_set(_parse_routes, route_name, route, NULL);
2148   xbt_free(route_name);
2149 }
2150
2151 static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {
2152   DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"",src,e_route->src_gateway,dst,e_route->dst_gateway);
2153   model_type_t modeltype = rc->routing;
2154   xbt_dict_t _parse_routes;
2155   xbt_dict_t _to_index;
2156   char *route_name;
2157   int *src_id, *dst_id;
2158
2159   if(modeltype==&routing_models[SURF_MODEL_FULL]) {
2160     _parse_routes = ((routing_component_full_t)rc)->parse_routes;
2161     _to_index = ((routing_component_full_t)rc)->to_index;
2162
2163   } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
2164     _parse_routes = ((routing_component_floyd_t)rc)->parse_routes;
2165     _to_index = ((routing_component_floyd_t)rc)->to_index;
2166
2167   } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
2168           modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
2169     _parse_routes = ((routing_component_dijkstra_t)rc)->parse_routes;
2170     _to_index = ((routing_component_dijkstra_t)rc)->to_index;
2171
2172   } else xbt_die("\"generic_set_route\" not supported");
2173
2174   src_id = xbt_dict_get_or_null(_to_index, src);
2175   dst_id = xbt_dict_get_or_null(_to_index, dst);
2176
2177   xbt_assert2(src_id&&dst_id,"Network elements %s or %s not found", src, dst);
2178   route_name = bprintf("%d#%d",*src_id,*dst_id);
2179
2180   xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst);
2181   xbt_assert4(!xbt_dict_get_or_null(_parse_routes,route_name),
2182     "The route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",src,e_route->src_gateway,dst,e_route->dst_gateway);
2183
2184   xbt_dict_set(_parse_routes, route_name, e_route, NULL);
2185   xbt_free(route_name);
2186 }
2187
2188 static void generic_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {
2189   DEBUG2("Load bypassRoute from \"%s\" to \"%s\"",src,dst);
2190   model_type_t modeltype = rc->routing;
2191   xbt_dict_t dict_bypassRoutes;
2192   char *route_name;
2193   if(modeltype==&routing_models[SURF_MODEL_FULL]) {
2194     dict_bypassRoutes = ((routing_component_full_t)rc)->bypassRoutes;
2195   } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
2196     dict_bypassRoutes = ((routing_component_floyd_t)rc)->bypassRoutes;
2197   } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
2198           modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
2199     dict_bypassRoutes = ((routing_component_dijkstra_t)rc)->bypassRoutes;
2200   } else xbt_die("\"generic_set_bypassroute\" not supported");
2201   route_name = bprintf("%s#%s",src,dst);
2202   xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst);
2203   xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes,route_name),
2204     "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",src,e_route->src_gateway,dst,e_route->dst_gateway);
2205
2206   route_extended_t new_e_route = generic_new_extended_route(SURF_ROUTING_RECURSIVE,e_route,0);
2207   xbt_dynar_free( &(e_route->generic_route.link_list) );
2208   xbt_free(e_route);
2209
2210   xbt_dict_set(dict_bypassRoutes, route_name, new_e_route, (void(*)(void*))generic_free_extended_route );
2211   xbt_free(route_name);
2212 }
2213
2214 /* ************************************************************************** */
2215 /* *********************** GENERIC BUSINESS METHODS ************************* */
2216
2217 static xbt_dynar_t generic_get_onelink_routes (routing_component_t rc)
2218 {
2219   xbt_die("\"generic_get_onelink_routes\" not implemented yet");
2220 }
2221
2222 static int generic_is_router (routing_component_t rc, const char *name)
2223 {
2224   xbt_die("\"generic_is_router\" not implemented yet");
2225 }
2226
2227 static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst) {
2228   model_type_t modeltype = rc->routing;
2229   xbt_dict_t dict_bypassRoutes;
2230
2231   if(modeltype==&routing_models[SURF_MODEL_FULL]) {
2232     dict_bypassRoutes = ((routing_component_full_t)rc)->bypassRoutes;
2233   } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
2234     dict_bypassRoutes = ((routing_component_floyd_t)rc)->bypassRoutes;
2235   } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
2236           modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
2237     dict_bypassRoutes = ((routing_component_dijkstra_t)rc)->bypassRoutes;
2238   } else xbt_die("\"generic_get_bypassroute\" not supported");
2239
2240
2241   routing_component_t src_as, dst_as;
2242   int index_src, index_dst;
2243   xbt_dynar_t path_src = NULL;
2244   xbt_dynar_t path_dst = NULL;
2245   routing_component_t current = NULL;
2246   routing_component_t* current_src = NULL;
2247   routing_component_t* current_dst = NULL;
2248
2249   /* (1) find the as where the src and dst are located */
2250   src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
2251   dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
2252   xbt_assert2(src_as&&dst_as, "Ask for route \"from\"(%s) or \"to\"(%s) no found",src,dst);
2253
2254   /* (2) find the path to the root routing component */
2255   path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
2256   current = src_as;
2257   while( current != NULL ) {
2258     xbt_dynar_push(path_src,&current);
2259     current = current->routing_father;
2260   }
2261   path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
2262   current = dst_as;
2263   while( current != NULL ) {
2264     xbt_dynar_push(path_dst,&current);
2265     current = current->routing_father;
2266   }
2267
2268   /* (3) find the common father */
2269   index_src  = (path_src->used)-1;
2270   index_dst  = (path_dst->used)-1;
2271   current_src = xbt_dynar_get_ptr(path_src,index_src);
2272   current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
2273   while( index_src >= 0 && index_dst >= 0 && *current_src == *current_dst ) {
2274     routing_component_t *tmp_src,*tmp_dst;
2275     tmp_src = xbt_dynar_pop_ptr(path_src);
2276     tmp_dst = xbt_dynar_pop_ptr(path_dst);
2277     index_src--;
2278     index_dst--;
2279     current_src = xbt_dynar_get_ptr(path_src,index_src);
2280     current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
2281   }
2282
2283   int max_index_src = (path_src->used)-1;
2284   int max_index_dst = (path_dst->used)-1;
2285
2286   int max_index = max(max_index_src,max_index_dst);
2287   int i, max;
2288
2289  route_extended_t e_route_bypass = NULL;
2290
2291   for( max=0;max<=max_index;max++)
2292   {
2293     for(i=0;i<max;i++)
2294     {
2295       if( i <= max_index_src  && max <= max_index_dst ) {
2296         char* route_name = bprintf("%s#%s",
2297           (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,i)))->name,
2298           (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,max)))->name);
2299         e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name);
2300         xbt_free(route_name);
2301       }
2302       if( e_route_bypass ) break;
2303       if( max <= max_index_src  && i <= max_index_dst ) {
2304         char* route_name = bprintf("%s#%s",
2305           (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,max)))->name,
2306           (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,i)))->name);
2307         e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name);
2308         xbt_free(route_name);
2309       }
2310       if( e_route_bypass ) break;
2311     }
2312
2313     if( e_route_bypass ) break;
2314
2315     if( max <= max_index_src  && max <= max_index_dst ) {
2316       char* route_name = bprintf("%s#%s",
2317         (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,max)))->name,
2318         (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,max)))->name);
2319       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name);
2320       xbt_free(route_name);
2321     }
2322     if( e_route_bypass ) break;
2323   }
2324
2325   xbt_dynar_free(&path_src);
2326   xbt_dynar_free(&path_dst);
2327
2328   route_extended_t new_e_route = NULL;
2329
2330   if(e_route_bypass) {
2331     void* link;
2332     unsigned int cpt=0;
2333     new_e_route = xbt_new0(s_route_extended_t,1);
2334     new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
2335     new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
2336     new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
2337     xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
2338       xbt_dynar_push(new_e_route->generic_route.link_list,&link);
2339     }
2340   }
2341
2342   return new_e_route;
2343 }
2344
2345 /* ************************************************************************** */
2346 /* ************************* GENERIC AUX FUNCTIONS ************************** */
2347
2348 static route_extended_t generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy, void* data, int order) {
2349
2350   char *link_name;
2351   route_extended_t e_route, new_e_route;
2352   route_t route;
2353   unsigned int cpt;
2354   xbt_dynar_t links, links_id;
2355
2356   new_e_route = xbt_new0(s_route_extended_t,1);
2357   new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
2358   new_e_route->src_gateway = NULL;
2359   new_e_route->dst_gateway = NULL;
2360
2361   xbt_assert0(hierarchy == SURF_ROUTING_BASE || hierarchy == SURF_ROUTING_RECURSIVE,
2362       "the hierarchy type is not defined");
2363
2364   if(hierarchy == SURF_ROUTING_BASE ) {
2365
2366     route = (route_t)data;
2367     links = route->link_list;
2368
2369   } else if(hierarchy == SURF_ROUTING_RECURSIVE ) {
2370
2371     e_route = (route_extended_t)data;
2372     xbt_assert0(e_route->src_gateway&&e_route->dst_gateway,"bad gateway, is null");
2373     links = e_route->generic_route.link_list;
2374
2375     /* remeber not erase the gateway names */
2376     new_e_route->src_gateway = e_route->src_gateway;
2377     new_e_route->dst_gateway = e_route->dst_gateway;
2378   }
2379
2380   links_id = new_e_route->generic_route.link_list;
2381
2382   xbt_dynar_foreach(links, cpt, link_name) {
2383
2384     void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
2385     if (link)
2386     {
2387       if( order )
2388         xbt_dynar_push(links_id,&link);
2389       else
2390         xbt_dynar_unshift(links_id,&link);
2391     }
2392     else
2393       THROW1(mismatch_error,0,"Link %s not found", link_name);
2394   }
2395
2396   return new_e_route;
2397 }
2398
2399 static void generic_free_route(route_t route) {
2400   if(route) {
2401     xbt_dynar_free(&(route->link_list));
2402     xbt_free(route);
2403   }
2404 }
2405
2406 static void generic_free_extended_route(route_extended_t e_route) {
2407   if(e_route) {
2408     xbt_dynar_free(&(e_route->generic_route.link_list));
2409     if(e_route->src_gateway) xbt_free(e_route->src_gateway);
2410     if(e_route->dst_gateway) xbt_free(e_route->dst_gateway);
2411     xbt_free(e_route);
2412   }
2413 }
2414
2415 static routing_component_t generic_as_exist(routing_component_t find_from, routing_component_t to_find) {
2416   //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2417   xbt_dict_cursor_t cursor = NULL;
2418   char *key;
2419   int found=0;
2420   routing_component_t elem;
2421   xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
2422     if( to_find == elem || generic_as_exist(elem,to_find) ){
2423       found=1;
2424       break;
2425     }
2426   }
2427   if(found) return to_find;
2428   return NULL;
2429 }
2430
2431 static routing_component_t generic_autonomous_system_exist(routing_component_t rc, char* element) {
2432   //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
2433   routing_component_t element_as, result, elem;
2434   xbt_dict_cursor_t cursor = NULL;
2435   char *key;
2436   element_as = xbt_dict_get_or_null(global_routing->where_network_elements,element);
2437   result = ((routing_component_t)-1);
2438   if(element_as!=rc)
2439     result = generic_as_exist(rc,element_as);
2440
2441   int found=0;
2442   if(result)
2443   {
2444     xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
2445       found = !strcmp(elem->name,element);
2446       if( found ) break;
2447     }
2448     if( found ) return element_as;
2449   }
2450   return NULL;
2451 }
2452
2453 static routing_component_t generic_processing_units_exist(routing_component_t rc, char* element) {
2454   routing_component_t element_as;
2455   element_as = xbt_dict_get_or_null(global_routing->where_network_elements,element);
2456   if(element_as==rc) return element_as;
2457   return generic_as_exist(rc,element_as);
2458 }
2459
2460 static void generic_src_dst_check(routing_component_t rc, const char* src, const char* dst) {
2461
2462   routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
2463   routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
2464
2465   xbt_assert3(src_as != NULL && dst_as  != NULL,
2466       "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",src,dst,rc->name);
2467   xbt_assert4(src_as == dst_as,
2468       "The src(%s in %s) and dst(%s in %s) are in differents AS",src,src_as->name,dst,dst_as->name);
2469   xbt_assert2(rc == dst_as,
2470       "The routing component of src and dst is not the same as the network elements belong (%s==%s)",rc->name,dst_as->name);
2471 }
2472
2473 static void routing_full_parse_Scluster(void)
2474 {
2475         static int AX_ptr = 0;
2476
2477         char *cluster_id = A_surfxml_cluster_id;
2478         char *cluster_prefix = A_surfxml_cluster_prefix;
2479         char *cluster_suffix = A_surfxml_cluster_suffix;
2480         char *cluster_radical = A_surfxml_cluster_radical;
2481         char *cluster_power = A_surfxml_cluster_power;
2482         char *cluster_bw = A_surfxml_cluster_bw;
2483         char *cluster_lat = A_surfxml_cluster_lat;
2484         char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
2485         char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
2486         char *host_id, *groups, *link_id;
2487         char *router_id, *link_router, *link_backbone, *route_src_dst;
2488         unsigned int iter;
2489         int start, end, i;
2490         xbt_dynar_t radical_elements;
2491         xbt_dynar_t radical_ends;
2492         #ifndef HAVE_PCRE_LIB
2493                 xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
2494                 char *route_src,*route_dst;
2495                 int j;
2496         #endif
2497
2498         static unsigned int surfxml_buffer_stack_stack_ptr = 1;
2499         static unsigned int surfxml_buffer_stack_stack[1024];
2500
2501         surfxml_buffer_stack_stack[0]= 0;
2502
2503         surfxml_bufferstack_push(1);
2504
2505         SURFXML_BUFFER_SET(AS_id, cluster_id);
2506 #ifdef HAVE_PCRE_LIB
2507         SURFXML_BUFFER_SET(AS_routing, "RuleBased");
2508         DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">",cluster_id);
2509 #else
2510         SURFXML_BUFFER_SET(AS_routing, "Full");
2511         DEBUG1("<AS id=\"%s\"\trouting=\"Full\">",cluster_id);
2512 #endif
2513         SURFXML_START_TAG(AS);
2514
2515         radical_elements = xbt_str_split(cluster_radical, ",");
2516         xbt_dynar_foreach(radical_elements, iter, groups)
2517         {
2518                 radical_ends = xbt_str_split(groups, "-");
2519                 switch (xbt_dynar_length(radical_ends))
2520                 {
2521                         case 1:
2522                           surf_parse_get_int(&start, xbt_dynar_get_as(radical_ends, 0, char *));
2523                           host_id = bprintf("%s_%d%s", cluster_prefix, start, cluster_suffix);
2524                           #ifndef HAVE_PCRE_LIB
2525                           xbt_dynar_push_as(tab_elements_num, int, start);
2526                           #endif
2527                           link_id = bprintf("%s_link_%d", cluster_id, start);
2528
2529                           DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>",host_id,cluster_power);
2530                           SURFXML_BUFFER_SET(host_id, host_id);
2531                           SURFXML_BUFFER_SET(host_power, cluster_power);
2532                           SURFXML_BUFFER_SET(host_availability, "1.0");
2533                           SURFXML_BUFFER_SET(host_availability_file, "");
2534                           A_surfxml_host_state = A_surfxml_host_state_ON;
2535                           SURFXML_BUFFER_SET(host_state_file, "");
2536                           SURFXML_BUFFER_SET(host_interference_send, "1.0");
2537                           SURFXML_BUFFER_SET(host_interference_recv, "1.0");
2538                           SURFXML_BUFFER_SET(host_interference_send_recv, "1.0");
2539                           SURFXML_BUFFER_SET(host_max_outgoing_rate, "-1.0");
2540                           SURFXML_START_TAG(host);
2541                           SURFXML_END_TAG(host);
2542
2543                           DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>",link_id,cluster_bw,cluster_lat);
2544                           SURFXML_BUFFER_SET(link_id, link_id);
2545                           SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
2546                           SURFXML_BUFFER_SET(link_latency, cluster_lat);
2547                           SURFXML_BUFFER_SET(link_bandwidth_file, "");
2548                           SURFXML_BUFFER_SET(link_latency_file, "");
2549                           A_surfxml_link_state = A_surfxml_link_state_ON;
2550                           SURFXML_BUFFER_SET(link_state_file, "");
2551                           A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2552                           SURFXML_START_TAG(link);
2553                           SURFXML_END_TAG(link);
2554
2555                           break;
2556
2557                         case 2:
2558
2559                           surf_parse_get_int(&start, xbt_dynar_get_as(radical_ends, 0, char *));
2560                           surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
2561                           DEBUG2("Create hosts and links from %d to %d",start,end);
2562                           for (i = start; i <= end; i++)
2563                           {
2564                                   host_id = bprintf("%s_%d%s", cluster_prefix, i, cluster_suffix);
2565                                   #ifndef HAVE_PCRE_LIB
2566                                   xbt_dynar_push_as(tab_elements_num, int, i);
2567                                   #endif
2568                                   link_id = bprintf("%s_link_%d", cluster_id, i);
2569
2570                                   DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>",host_id,cluster_power);
2571                                   SURFXML_BUFFER_SET(host_id, host_id);
2572                                   SURFXML_BUFFER_SET(host_power, cluster_power);
2573                                   SURFXML_BUFFER_SET(host_availability, "1.0");
2574                                   SURFXML_BUFFER_SET(host_availability_file, "");
2575                                   A_surfxml_host_state = A_surfxml_host_state_ON;
2576                                   SURFXML_BUFFER_SET(host_state_file, "");
2577                                   SURFXML_BUFFER_SET(host_interference_send, "1.0");
2578                                   SURFXML_BUFFER_SET(host_interference_recv, "1.0");
2579                                   SURFXML_BUFFER_SET(host_interference_send_recv, "1.0");
2580                                   SURFXML_BUFFER_SET(host_max_outgoing_rate, "-1.0");
2581                                   SURFXML_START_TAG(host);
2582                                   SURFXML_END_TAG(host);
2583
2584                                   DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>",link_id,cluster_bw,cluster_lat);
2585                                   SURFXML_BUFFER_SET(link_id, link_id);
2586                                   SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
2587                                   SURFXML_BUFFER_SET(link_latency, cluster_lat);
2588                                   SURFXML_BUFFER_SET(link_bandwidth_file, "");
2589                                   SURFXML_BUFFER_SET(link_latency_file, "");
2590                                   A_surfxml_link_state = A_surfxml_link_state_ON;
2591                                   SURFXML_BUFFER_SET(link_state_file, "");
2592                                   A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2593                                   SURFXML_START_TAG(link);
2594                                   SURFXML_END_TAG(link);
2595                           }
2596                           break;
2597
2598                         default:
2599                                 DEBUG0("Malformed radical");
2600                 }
2601
2602                 xbt_dynar_free(&radical_ends);
2603         }
2604
2605         DEBUG0(" ");
2606         router_id = bprintf("%s_%s_router%s",cluster_prefix,cluster_id,cluster_suffix);
2607         link_router = bprintf("%s_link_%s_router",cluster_id,cluster_id);
2608         link_backbone = bprintf("%s_backbone",cluster_id);
2609
2610         DEBUG1("<router id=\"%s\"/>",router_id);
2611         SURFXML_BUFFER_SET(router_id, router_id);;
2612         SURFXML_START_TAG(router);
2613         SURFXML_END_TAG(router);
2614
2615         DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>",link_router,cluster_bw,cluster_lat);
2616         SURFXML_BUFFER_SET(link_id, link_router);
2617         SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
2618         SURFXML_BUFFER_SET(link_latency, cluster_lat);
2619         SURFXML_BUFFER_SET(link_bandwidth_file, "");
2620         SURFXML_BUFFER_SET(link_latency_file, "");
2621         A_surfxml_link_state = A_surfxml_link_state_ON;
2622         SURFXML_BUFFER_SET(link_state_file, "");
2623         A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2624         SURFXML_START_TAG(link);
2625         SURFXML_END_TAG(link);
2626
2627         DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>",link_backbone,cluster_bb_bw,cluster_bb_lat);
2628         SURFXML_BUFFER_SET(link_id, link_backbone);
2629         SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
2630         SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
2631         SURFXML_BUFFER_SET(link_bandwidth_file, "");
2632         SURFXML_BUFFER_SET(link_latency_file, "");
2633         A_surfxml_link_state = A_surfxml_link_state_ON;
2634         SURFXML_BUFFER_SET(link_state_file, "");
2635         A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
2636         SURFXML_START_TAG(link);
2637         SURFXML_END_TAG(link);
2638
2639         char *new_suffix = bprintf("%s","");
2640
2641         radical_elements = xbt_str_split(cluster_suffix, ".");
2642         xbt_dynar_foreach(radical_elements, iter, groups)
2643         {
2644                     if(strcmp(groups,""))
2645                     {
2646                         new_suffix = bprintf("%s\\.%s",new_suffix,groups);
2647                     }
2648         }
2649         route_src_dst = bprintf("%s_(.*)%s",cluster_prefix,new_suffix);
2650
2651         DEBUG0(" ");
2652
2653 #ifdef HAVE_PCRE_LIB
2654
2655         DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\">",route_src_dst,route_src_dst);
2656         SURFXML_BUFFER_SET(route_src, route_src_dst);
2657         SURFXML_BUFFER_SET(route_dst, route_src_dst);
2658         SURFXML_START_TAG(route);
2659
2660         DEBUG1("<link:ctn\tid=\"%s_link_$1src\"/>",cluster_id);
2661         SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1src",cluster_id));
2662         SURFXML_START_TAG(link_ctn);
2663         SURFXML_END_TAG(link_ctn);
2664
2665         DEBUG1("<link:ctn\tid=\"%s_backbone\"/>",cluster_id);
2666         SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone",cluster_id));
2667         SURFXML_START_TAG(link_ctn);
2668         SURFXML_END_TAG(link_ctn);
2669
2670         DEBUG1("<link:ctn\tid=\"%s_link_$1dst\"/>",cluster_id);
2671         SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1dst",cluster_id));
2672         SURFXML_START_TAG(link_ctn);
2673         SURFXML_END_TAG(link_ctn);
2674
2675         DEBUG0("</route>");
2676         SURFXML_END_TAG(route);
2677 #else
2678         for(i=0 ; i<=xbt_dynar_length(tab_elements_num) ; i++)
2679         {
2680                 for(j=0 ; j<=xbt_dynar_length(tab_elements_num) ; j++)
2681                 {
2682                         if(i == xbt_dynar_length(tab_elements_num))
2683                         {
2684                                 route_src = router_id;
2685                         }
2686                         else
2687                         {
2688                                 route_src = bprintf("%s_%d%s",cluster_prefix,xbt_dynar_get_as(tab_elements_num,i,int),cluster_suffix);
2689                         }
2690
2691                         if(j == xbt_dynar_length(tab_elements_num))
2692                         {
2693                                 route_dst = router_id;
2694                         }
2695                         else
2696                         {
2697                                 route_dst = bprintf("%s_%d%s",cluster_prefix,xbt_dynar_get_as(tab_elements_num,j,int),cluster_suffix);
2698                         }
2699
2700                         DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\">",route_src,route_dst);
2701                         SURFXML_BUFFER_SET(route_src, route_src);
2702                         SURFXML_BUFFER_SET(route_dst, route_dst);
2703                         SURFXML_START_TAG(route);
2704
2705                         if(i == xbt_dynar_length(tab_elements_num))
2706                         {
2707                                 route_src = link_router;
2708                         }
2709                         else
2710                         {
2711                                 route_src = bprintf("%s_link_%d",cluster_id,xbt_dynar_get_as(tab_elements_num,i,int));
2712                         }
2713
2714                         if(j == xbt_dynar_length(tab_elements_num))
2715                         {
2716                                 route_dst = link_router;
2717                         }
2718                         else
2719                         {
2720                                 route_dst = bprintf("%s_link_%d",cluster_id,xbt_dynar_get_as(tab_elements_num,j,int));
2721                         }
2722
2723                         DEBUG1("<link:ctn\tid=\"%s\"/>",route_src);
2724                         SURFXML_BUFFER_SET(link_ctn_id, route_src);
2725                         SURFXML_START_TAG(link_ctn);
2726                         SURFXML_END_TAG(link_ctn);
2727
2728                         DEBUG1("<link:ctn\tid=\"%s_backbone\"/>",cluster_id);
2729                         SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone",cluster_id));
2730                         SURFXML_START_TAG(link_ctn);
2731                         SURFXML_END_TAG(link_ctn);
2732
2733                         DEBUG1("<link:ctn\tid=\"%s\"/>",route_dst);
2734                         SURFXML_BUFFER_SET(link_ctn_id, route_dst);
2735                         SURFXML_START_TAG(link_ctn);
2736                         SURFXML_END_TAG(link_ctn);
2737
2738                         DEBUG0("</route>");
2739                         SURFXML_END_TAG(route);
2740                 }
2741         }
2742         xbt_dynar_free(&tab_elements_num);
2743 #endif
2744
2745         DEBUG0("</AS>");
2746         SURFXML_END_TAG(AS);
2747         DEBUG0(" ");
2748
2749         surfxml_bufferstack_pop(1);
2750 }
2751
2752 /*
2753  * New methods to init the routing model component from the lua script
2754  */
2755
2756 /*
2757  * calling parse_S_AS_lua with lua values
2758  */
2759 void routing_AS_init(const char* AS_id,const char* AS_routing)
2760 {
2761         parse_S_AS_lua((char*)AS_id,(char*)AS_routing);
2762 }
2763
2764 /*
2765  * calling parse_E_AS_lua to fisnish the creation of routing component
2766  */
2767 void routing_AS_end(const char *AS_id)
2768 {
2769         parse_E_AS_lua((char*)AS_id);
2770 }
2771
2772 /*
2773  * add a host to the network element list
2774  */
2775
2776 void routing_add_host(const char* host_id)
2777 {
2778         parse_S_host_lua((char*)host_id);
2779 }
2780
2781 /*
2782  * Set a new link on the actual list of link for a route or ASroute
2783  */
2784 void routing_add_link(const char* link_id)
2785 {
2786         parse_E_link_c_ctn_new_elem_lua((char*)link_id);
2787 }
2788
2789 /*
2790  *Set the endpoints for a route
2791  */
2792 void routing_set_route(const char* src_id,const char *dst_id)
2793 {
2794         parse_S_route_new_and_endpoints_lua((char*)src_id,(char*)dst_id);
2795 }
2796
2797 /*
2798  * Store the route by calling parse_E_route_store_route
2799  */
2800 void routing_store_route(void)
2801 {
2802         parse_E_route_store_route();
2803 }