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format changes
[simgrid.git] / src / surf / surf_routing.c
index d8f8b7c..f11bd97 100644 (file)
@@ -13,7 +13,6 @@
 #include "xbt/set.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf");
-
     
 ////////////////////////////////////////////////////////////////////////////////
 // HERE START THE NEW CODE
@@ -21,7 +20,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf");
 
 //...... DEBUG ONLY .... //
 static void print_tree(routing_component_t rc);
-static void print_global();
+static void print_global(void);
 static void print_AS_start(void);
 static void print_AS_end(void);
 static void print_host(void);
@@ -50,15 +49,12 @@ static void  model_floyd_load(void);   /* load parse functions for floyd routing
 static void  model_floyd_unload(void); /* unload parse functions for floyd routing model */
 static void  model_floyd_end(void);    /* finalize the creation of floyd routing model */
 
-static void* model_dijkstra_create(void); /* create structures for dijkstra routing model */
-static void  model_dijkstra_load(void);   /* load parse functions for dijkstra routing model */
-static void  model_dijkstra_unload(void); /* unload parse functions for dijkstra routing model */
-static void  model_dijkstra_end(void);    /* finalize the creation of dijkstra routing model */
-
+static void* model_dijkstra_both_create(int cached); /* create by calling dijkstra or dijkstracache */
+static void* model_dijkstra_create(void);      /* create structures for dijkstra routing model */
 static void* model_dijkstracache_create(void); /* create structures for dijkstracache routing model */
-static void  model_dijkstracache_load(void);   /* load parse functions for dijkstracache routing model */
-static void  model_dijkstracache_unload(void); /* unload parse functions for dijkstracache routing model */
-static void  model_dijkstracache_end(void);    /* finalize the creation of dijkstracache routing model */
+static void  model_dijkstra_both_load(void);   /* load parse functions for dijkstra routing model */
+static void  model_dijkstra_both_unload(void); /* unload parse functions for dijkstra routing model */
+static void  model_dijkstra_both_end(void);    /* finalize the creation of dijkstra routing model */
 
 static void* model_none_create(void); /* none routing model */
 static void  model_none_load(void);   /* none routing model */
@@ -74,6 +70,7 @@ static void  model_none_end(void);    /* none routing model */
 //   SURF_MODEL_NONE
 // } e_surf_model_type_t;
 
+/* this lines are olny for replace use like index in the model table */
 #define SURF_MODEL_FULL           0
 #define SURF_MODEL_FLOYD          1
 #define SURF_MODEL_DIJKSTRA       2
@@ -87,13 +84,39 @@ struct s_model_type routing_models[] =
   {"Floyd", "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
   model_floyd_create, model_floyd_load, model_floyd_unload, model_floyd_end },
   {"Dijkstra", "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
-  model_dijkstra_create ,model_dijkstra_load, model_dijkstra_unload, model_dijkstra_end },
+  model_dijkstra_create ,model_dijkstra_both_load, model_dijkstra_both_unload, model_dijkstra_both_end },
   {"DijkstraCache", "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
-  model_dijkstracache_create, model_dijkstracache_load, model_dijkstracache_unload, model_dijkstracache_end },
+  model_dijkstracache_create, model_dijkstra_both_load, model_dijkstra_both_unload, model_dijkstra_both_end },
   {"none", "No routing (usable with Constant network only)",
   model_none_create, model_none_load, model_none_unload, model_none_end },
   {NULL,NULL,NULL,NULL,NULL,NULL}};
 
+/* ************************************************************************** */
+/* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
+
+static void generic_set_processing_units(routing_component_t rc, const char* name);
+static void generic_set_autonomous_system(routing_component_t rc, const char* name);
+static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route);
+static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route);
+static void generic_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route);
+
+/* ************************************************************************** */
+/* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
+
+static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst);
+
+/* ************************************************************************** */
+/* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
+
+static route_extended_t generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy, void* data, int order);
+static void generic_free_extended_route(route_extended_t e_route);
+static routing_component_t generic_autonomous_system_exist(routing_component_t rc, char* element);
+static routing_component_t generic_processing_units_exist(routing_component_t rc, char* element);
+static void generic_src_dst_check(routing_component_t rc, const char* src, const char* dst);
+
+/* ************************************************************************** */
+/* **************************** GLOBAL FUNCTIONS **************************** */
+  
 /* global parse functions */
 
 static char* src = NULL;    /* temporary store the source name of a route */
@@ -109,9 +132,8 @@ static void  parse_S_host(void) {
   if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_BASE;
   xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,A_surfxml_host_id),
       "Reading a host, processing unit \"%s\" already exist",A_surfxml_host_id);
-// FIXME: checked by parser
-//   xbt_assert1(current_routing->hierarchy==SURF_ROUTING_BASE,
-//       "Bad declaration of processing unit \"%s\"",A_surfxml_host_id);
+  xbt_assert1(current_routing->set_processing_units,
+      "no defined method \"set_processing_units\" in \"%s\"",current_routing->name);
   (*(current_routing->set_processing_units))(current_routing,A_surfxml_host_id);
   xbt_dict_set(global_routing->where_network_elements,A_surfxml_host_id,(void*)current_routing,NULL); 
 }
@@ -123,9 +145,8 @@ static void parse_S_router(void) {
   if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_BASE;
   xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,A_surfxml_router_id),
       "Reading a router, processing unit \"%s\" already exist",A_surfxml_router_id);
-// FIXME: checked by parser
-//   xbt_assert1(current_routing->hierarchy==SURF_ROUTING_BASE,
-//       "Bad declaration of processing unit \"%s\"",A_surfxml_host_id);
+  xbt_assert1(current_routing->set_processing_units,
+      "no defined method \"set_processing_units\" in \"%s\"",current_routing->name);
   (*(current_routing->set_processing_units))(current_routing,A_surfxml_router_id);
   xbt_dict_set(global_routing->where_network_elements,A_surfxml_router_id,(void*)current_routing,NULL); 
 }
@@ -134,9 +155,6 @@ static void parse_S_router(void) {
  * \brief Set the endponints for a route
  */
 static void parse_S_route_new_and_endpoints(void) {
-  // FIXME: checked by parser
-//   xbt_assert1(current_routing->hierarchy==SURF_ROUTING_BASE,
-//     "Bad declaration of route in \"%s\"",current_routing->name);
   if( src != NULL && dst != NULL && link_list != NULL )
     THROW2(arg_error,0,"Route between %s to %s can not be defined",A_surfxml_route_src,A_surfxml_route_dst);
   src = A_surfxml_route_src;
@@ -148,9 +166,6 @@ static void parse_S_route_new_and_endpoints(void) {
  * \brief Set the endponints and gateways for a ASroute
  */
 static void parse_S_ASroute_new_and_endpoints(void) {
-// FIXME: checked by parser
-//   xbt_assert1(current_routing->hierarchy==SURF_ROUTING_RECURSIVE,
-//     "Bad declaration of ASroute in \"%s\"",current_routing->name);
   if( src != NULL && dst != NULL && link_list != NULL )
     THROW2(arg_error,0,"Route between %s to %s can not be defined",A_surfxml_ASroute_src,A_surfxml_ASroute_dst);
   src = A_surfxml_ASroute_src;
@@ -160,6 +175,19 @@ static void parse_S_ASroute_new_and_endpoints(void) {
   link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref);
 }
 
+/**
+ * \brief Set the endponints for a bypassRoute
+ */
+static void parse_S_bypassRoute_new_and_endpoints(void) {
+  if( src != NULL && dst != NULL && link_list != NULL )
+    THROW2(arg_error,0,"Bypass Route between %s to %s can not be defined",A_surfxml_bypassRoute_src,A_surfxml_bypassRoute_dst);
+  src = A_surfxml_bypassRoute_src;
+  dst = A_surfxml_bypassRoute_dst;
+  gw_src = A_surfxml_bypassRoute_gw_src;
+  gw_dst = A_surfxml_bypassRoute_gw_dst;
+  link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref);
+}
+
 /**
  * \brief Set a new link on the actual list of link for a route or ASroute
  */
@@ -170,15 +198,15 @@ static void parse_E_link_c_ctn_new_elem(void) {
 }
 
 /**
- * \brief Store de route by calling the set_route function of the current routing component
+ * \brief Store the route by calling the set_route function of the current routing component
  */
 static void parse_E_route_store_route(void) {
-// FIXME: checked by parser
-//   xbt_assert1(current_routing->hierarchy==SURF_ROUTING_BASE,
-//     "Bad declaration of route in \"%s\"",current_routing->name);
-  route_t route = xbt_new(s_route_t,1);
+  route_t route = xbt_new0(s_route_t,1);
   route->link_list = link_list;
-  // TODO check if are correct
+  //TODO: NULL?
+  xbt_assert1(generic_processing_units_exist(current_routing,src),"the \"%s\" processing units gateway does not exist",src);
+  xbt_assert1(generic_processing_units_exist(current_routing,dst),"the \"%s\" processing units gateway does not exist",dst);
+  xbt_assert1(current_routing->set_route,"no defined method \"set_route\" in \"%s\"",current_routing->name);
   (*(current_routing->set_route))(current_routing,src,dst,route);
   link_list = NULL;
   src = NULL;
@@ -186,17 +214,19 @@ static void parse_E_route_store_route(void) {
 }
 
 /**
- * \brief Store de ASroute by calling the set_ASroute function of the current routing component
+ * \brief Store the ASroute by calling the set_ASroute function of the current routing component
  */
 static void parse_E_ASroute_store_route(void) {
-// FIXME: checked by parser
-//   xbt_assert1(current_routing->hierarchy==SURF_ROUTING_RECURSIVE,
-//     "Bad declaration of ASroute in \"%s\"",current_routing->name);
-  route_extended_t e_route = xbt_new(s_route_extended_t,1);
+  route_extended_t e_route = xbt_new0(s_route_extended_t,1);
   e_route->generic_route.link_list = link_list;
   e_route->src_gateway = xbt_strdup(gw_src);
   e_route->dst_gateway = xbt_strdup(gw_dst);
-  // TODO check if are correct
+  //TODO: NULL?
+  xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
+  xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
+  xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
+  xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
+  xbt_assert1(current_routing->set_ASroute,"no defined method \"set_ASroute\" in \"%s\"",current_routing->name);
   (*(current_routing->set_ASroute))(current_routing,src,dst,e_route);
   link_list = NULL;
   src = NULL;
@@ -205,6 +235,28 @@ static void parse_E_ASroute_store_route(void) {
   gw_dst = NULL;
 }
 
+/**
+ * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
+ */
+static void parse_E_bypassRoute_store_route(void) {
+  route_extended_t e_route = xbt_new0(s_route_extended_t,1);
+  e_route->generic_route.link_list = link_list;
+  e_route->src_gateway = xbt_strdup(gw_src);
+  e_route->dst_gateway = xbt_strdup(gw_dst);
+  //TODO: NULL?
+  xbt_assert1(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
+  xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
+  xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
+  xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",gw_dst);
+  xbt_assert1(current_routing->set_bypassroute,"no defined method \"set_bypassroute\" in \"%s\"",current_routing->name);
+  (*(current_routing->set_bypassroute))(current_routing,src,dst,e_route);
+  link_list = NULL;
+  src = NULL;
+  dst = NULL;
+  gw_src = NULL;
+  gw_dst = NULL;
+}
+
 /**
  * \brief Make a new routing component
  *
@@ -231,19 +283,6 @@ static void parse_S_AS(void) {
 
   /* make a new routing component */
   new_routing = (routing_component_t)(*(model->create))();
-  
-  /* FIXME: for now, if I forget to declare */  
-  xbt_assert1( new_routing->set_processing_units,
-       "Bad routing type, \"set_processing_units\" is not declared for \"%s\"",A_surfxml_AS_id);
-  xbt_assert1( new_routing->set_autonomous_system,
-       "Bad routing type, \"set_autonomous_system\" is not declared for \"%s\"",A_surfxml_AS_id);
-  xbt_assert1( new_routing->set_route,
-       "Bad routing type, \"set_route\" is not declared for \"%s\"",A_surfxml_AS_id);
-  xbt_assert1( new_routing->set_ASroute,
-       "Bad routing type, \"set_ASroute\" is not declared for \"%s\"",A_surfxml_AS_id);
-  xbt_assert1( new_routing->finalize,
-       "Bad routing type, \"finalize\" is not declared for \"%s\"",A_surfxml_AS_id);
-       
   new_routing->routing = model;
   new_routing->hierarchy = SURF_ROUTING_NULL;
   new_routing->name = xbt_strdup(A_surfxml_AS_id);
@@ -264,9 +303,6 @@ static void parse_S_AS(void) {
     new_routing->routing_father = current_routing;
     /* set the father behavior */
     if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
-// FIXME: checked by parser
-//     xbt_assert1(current_routing->hierarchy==SURF_ROUTING_RECURSIVE,
-//       "Bad declaration of AS \"%s\"",A_surfxml_AS_id);
     /* add to the sons dictionary */
     xbt_dict_set(current_routing->routing_sons,A_surfxml_AS_id,(void*)new_routing,NULL);
     /* add to the father element list */
@@ -294,6 +330,7 @@ static void parse_E_AS(void) {
   if( current_routing == NULL ) {
     THROW1(arg_error,0,"Close AS(%s), that never open",A_surfxml_AS_id);
   } else {
+      xbt_dict_set(global_routing->where_network_elements,current_routing->name,current_routing->routing_father,NULL);
       (*(current_routing->routing->unload))();
       (*(current_routing->routing->end))();
       current_routing = current_routing->routing_father;
@@ -302,34 +339,6 @@ static void parse_E_AS(void) {
   }
 }
 
-/**
- * \brief Recursive function for add the differents AS to global dict of network element
- *
- * This fuction is call by "parse_E_platform_add_parse_AS". It allow to add the 
- * AS or routing components, to the where_network_elements dictionary. In the same
- * way as "parse_S_host", "parse_S_router" and "parse_S_gateway" do.
- */
-static void _add_parse_AS(routing_component_t rc) {
-  xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,rc->name),
-     "The AS \"%s\" already exist",rc->name);
-  xbt_dict_set(global_routing->where_network_elements,rc->name,rc->routing_father,NULL);
-  xbt_dict_cursor_t cursor = NULL;
-  char *key;
-  routing_component_t elem;
-  xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
-    _add_parse_AS(elem);
-  } 
-}
-
-/**
- * \brief Add all "AS" to the global dict of network element
- *
- * Allows find a "AS" in any routing component
- */
-static void parse_E_platform_add_parse_AS(void) {
-  _add_parse_AS(global_routing->root);
-}
-
 /* Aux Business methods */
 
 /**
@@ -448,6 +457,7 @@ static route_extended_t _get_route(const char* src,const char* dst) {
     
     if( strcmp(src,dst) ){
       e_route_cnt = (*(common_father->get_route))(common_father,src,dst);
+      xbt_assert2(e_route_cnt,"no route between \"%s\" and \"%s\"",src,dst);
       xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
         xbt_dynar_push(e_route->generic_route.link_list,&link);
       }
@@ -456,39 +466,48 @@ static route_extended_t _get_route(const char* src,const char* dst) {
     }
     
   } else { /* SURF_ROUTING_RECURSIVE */
+
+    route_extended_t e_route_bypass = (*(common_father->get_bypass_route))(common_father,src,dst);
     
+    if(e_route_bypass)
+      e_route_cnt = e_route_bypass;    
+    else
       e_route_cnt = (*(common_father->get_route))(common_father,src_father->name,dst_father->name);
-      
-      xbt_assert2( (e_route_cnt->src_gateway==NULL) == (e_route_cnt->dst_gateway==NULL) ,
-        "bad gateway for route between \"%s\" and \"%s\"",src,dst);
+    
+    xbt_assert2(e_route_cnt,"no route between \"%s\" and \"%s\"",src_father->name,dst_father->name);
 
-      if( src != e_route_cnt->src_gateway ) {
-        e_route_src = _get_route(src,e_route_cnt->src_gateway);
-        xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
-          xbt_dynar_push(e_route->generic_route.link_list,&link);
-        }
-      }
-      
-      xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
+    xbt_assert2( (e_route_cnt->src_gateway==NULL) == (e_route_cnt->dst_gateway==NULL) ,
+      "bad gateway for route between \"%s\" and \"%s\"",src,dst);
+
+    if( src != e_route_cnt->src_gateway ) {
+      e_route_src = _get_route(src,e_route_cnt->src_gateway);
+      xbt_assert2(e_route_src,"no route between \"%s\" and \"%s\"",src,e_route_cnt->src_gateway);
+      xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
         xbt_dynar_push(e_route->generic_route.link_list,&link);
       }
-      
-      if( e_route_cnt->dst_gateway != dst ) {
-        e_route_dst = _get_route(e_route_cnt->dst_gateway,dst);
-        xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
-          xbt_dynar_push(e_route->generic_route.link_list,&link);
-        }
+    }
+    
+    xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
+      xbt_dynar_push(e_route->generic_route.link_list,&link);
+    }
+    
+    if( e_route_cnt->dst_gateway != dst ) {
+      e_route_dst = _get_route(e_route_cnt->dst_gateway,dst);
+      xbt_assert2(e_route_dst,"no route between \"%s\" and \"%s\"",e_route_cnt->dst_gateway,dst);
+      xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
+        xbt_dynar_push(e_route->generic_route.link_list,&link);
       }
-      
-      e_route->src_gateway = e_route_cnt->src_gateway;
-      e_route->dst_gateway = e_route_cnt->dst_gateway;
-
-      xbt_dynar_free( &(e_route_src->generic_route.link_list) );
-      xbt_free(e_route_src);
-      xbt_dynar_free( &(e_route_cnt->generic_route.link_list) );
-      xbt_free(e_route_cnt);
-      xbt_dynar_free( &(e_route_dst->generic_route.link_list) );
-      xbt_free(e_route_dst);
+    }
+    
+    e_route->src_gateway = e_route_cnt->src_gateway;
+    e_route->dst_gateway = e_route_cnt->dst_gateway;
+
+    xbt_dynar_free( &(e_route_src->generic_route.link_list) );
+    xbt_free(e_route_src);
+    xbt_dynar_free( &(e_route_cnt->generic_route.link_list) );
+    xbt_free(e_route_cnt);
+    xbt_dynar_free( &(e_route_dst->generic_route.link_list) );
+    xbt_free(e_route_dst);
   }
   
   xbt_dynar_free(&elem_father_list);
@@ -518,6 +537,7 @@ static xbt_dynar_t get_route(const char* src,const char* dst) {
   else
     e_route = (*(common_father->get_route))(common_father,src,dst);
   
+  xbt_assert2(e_route,"no route between \"%s\" and \"%s\"",src,dst);
   global_routing->last_route = e_route->generic_route.link_list;
  
   xbt_free(e_route);
@@ -549,6 +569,7 @@ static void _finalize(routing_component_t rc) {
     char* tmp_name = rc->name;
     xbt_dict_free(&tmp_sons);
     xbt_free(tmp_name);
+    xbt_assert1(rc->finalize,"no defined method \"finalize\" in \"%s\"",current_routing->name);
     (*(rc->finalize))(rc);
   }
 }
@@ -596,35 +617,23 @@ void routing_model_create(size_t size_of_links, void* loopback) {
 
   surfxml_add_callback(STag_surfxml_route_cb_list, &parse_S_route_new_and_endpoints);
   surfxml_add_callback(STag_surfxml_ASroute_cb_list, &parse_S_ASroute_new_and_endpoints);
+  surfxml_add_callback(STag_surfxml_bypassRoute_cb_list, &parse_S_bypassRoute_new_and_endpoints);
   
   surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_E_link_c_ctn_new_elem);
   
   surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_E_route_store_route);
   surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &parse_E_ASroute_store_route);
+  surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list, &parse_E_bypassRoute_store_route);
   
   surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS);
   surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS);
   
-  /* set all the as in the global where table (recursive fuction) */
-  surfxml_add_callback(ETag_surfxml_platform_cb_list, &parse_E_platform_add_parse_AS);
-  
   /* DEBUG ONLY */  
   //surfxml_add_callback(ETag_surfxml_platform_cb_list, &DEBUG_exit);
+  
+  // TODO checked if ANY AS are duplicated
 }
 
-/* ************************************************************************** */
-/* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
-
-static void generic_set_processing_units(routing_component_t rc, const char* name);
-static void generic_set_autonomous_system(routing_component_t rc, const char* name);
-static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route);
-static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route);
-
-/* ************************************************************************** */
-/* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
-
-static route_extended_t generic_new_extended_route(routing_component_t rc, void* data);
-
 /* ************************************************************************** */
 /* *************************** FULL ROUTING ********************************* */
 
@@ -636,36 +645,31 @@ typedef struct {
   s_routing_component_t generic_routing;
   xbt_dict_t parse_routes; /* store data during the parse process */
   xbt_dict_t to_index; /* char* -> network_element_t */
+  xbt_dict_t bypassRoutes;
   route_extended_t *routing_table;
 } s_routing_component_full_t,*routing_component_full_t;
 
 /* Business methods */
 
 static route_extended_t full_get_route(routing_component_t rc, const char* src,const char* dst) {
-
+  xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
+  
+  /* set utils vars */
   routing_component_full_t routing = (routing_component_full_t)rc;
   int table_size = xbt_dict_length(routing->to_index);
   
-  xbt_assert1(src && dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
-   
-  routing_component_t src_as, dst_as;
-  int *src_id,*dst_id;
-
-  src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
-  dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
-   
-  xbt_assert3(src_as != NULL && dst_as  != NULL, "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",src,dst,rc->name);
-  xbt_assert4(src_as == dst_as, "The src(%s in %s) and dst(%s in %s) are in differents AS",src,src_as->name,dst,dst_as->name);
-  xbt_assert2(rc == dst_as, "The routing component of src and dst is not the same as the network elements belong (%s==%s)",rc->name,dst_as->name);
-
-  src_id = xbt_dict_get(routing->to_index,src);
-  dst_id = xbt_dict_get(routing->to_index,dst);
+  generic_src_dst_check(rc,src,dst);
+  int *src_id = xbt_dict_get_or_null(routing->to_index,src);
+  int *dst_id = xbt_dict_get_or_null(routing->to_index,dst);
   xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",src,dst); 
-  
+
+  route_extended_t e_route = NULL;
+  route_extended_t new_e_route = NULL;
   void* link;
   unsigned int cpt=0;
-  route_extended_t new_e_route;
-  route_extended_t e_route = TO_ROUTE_FULL(*src_id,*dst_id);
+
+  e_route = TO_ROUTE_FULL(*src_id,*dst_id);
+  
   if(e_route) {
     new_e_route = xbt_new0(s_route_extended_t,1);
     new_e_route->src_gateway = e_route->src_gateway;
@@ -674,10 +678,8 @@ static route_extended_t full_get_route(routing_component_t rc, const char* src,c
     xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
       xbt_dynar_push(new_e_route->generic_route.link_list,&link);
     }
-  } else {
-    new_e_route = NULL;
   }
-    return new_e_route;
+  return new_e_route;
 }
 
 static void full_finalize(routing_component_t rc) {
@@ -686,18 +688,12 @@ static void full_finalize(routing_component_t rc) {
   int i,j;
   if (routing) {
     /* Delete routing table */
-    for (i=0;i<table_size;i++) {
-      for (j=0;j<table_size;j++) {
-        route_extended_t e_route = TO_ROUTE_FULL(i,j);
-        if(e_route) {
-          xbt_dynar_free(&(e_route->generic_route.link_list));
-          if(e_route->src_gateway) xbt_free(e_route->src_gateway);
-          if(e_route->dst_gateway) xbt_free(e_route->dst_gateway);
-          xbt_free(e_route);
-        }
-      }
-    }
+    for (i=0;i<table_size;i++)
+      for (j=0;j<table_size;j++)
+        generic_free_extended_route(TO_ROUTE_FULL(i,j));
     xbt_free(routing->routing_table);
+    /* Delete bypass dict */
+    xbt_dict_free(&routing->bypassRoutes);
     /* Delete index dict */
     xbt_dict_free(&(routing->to_index));
     /* Delete structure */
@@ -707,32 +703,35 @@ static void full_finalize(routing_component_t rc) {
 
 /* Creation routing model functions */
 
-static void* model_full_create() {
+static void* model_full_create(void) {
   routing_component_full_t new_component =  xbt_new0(s_routing_component_full_t,1);
   new_component->generic_routing.set_processing_units = generic_set_processing_units;
   new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system;
   new_component->generic_routing.set_route = generic_set_route;
   new_component->generic_routing.set_ASroute = generic_set_ASroute;
+  new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
   new_component->generic_routing.get_route = full_get_route;
+  new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
   new_component->generic_routing.finalize = full_finalize;
   new_component->to_index = xbt_dict_new();
+  new_component->bypassRoutes = xbt_dict_new();
   new_component->parse_routes = xbt_dict_new();
   return new_component;
 }
 
-static void model_full_load() {
+static void model_full_load(void) {
  /* use "surfxml_add_callback" to add a parse function call */
 }
 
-static void model_full_unload() {
+static void model_full_unload(void) {
  /* use "surfxml_del_callback" to remove a parse function call */
 }
 
-static void  model_full_end() {
+static void  model_full_end(void) {
   
-  char *key, *src_name, *dst_name;
+  char *key, *end; //*src_name, *dst_name
   const char* sep = "#";
-  int *src_id, *dst_id;
+  int src_id, dst_id;
   unsigned int i, j;
   route_t route;
   route_extended_t e_route;
@@ -750,20 +749,10 @@ static void  model_full_end() {
   
   /* Put the routes in position */
   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
-    
     keys = xbt_str_split_str(key, sep);
-
-    src_name = xbt_dynar_get_as(keys, 0, char*);
-    dst_name = xbt_dynar_get_as(keys, 1, char*);
-    
-    src_id = xbt_dict_get_or_null(routing->to_index, src_name);
-    dst_id = xbt_dict_get_or_null(routing->to_index, dst_name);
-    
-    if (src_id == NULL || dst_id == NULL )
-      THROW2(mismatch_error,0,"Network elements %s or %s not found", src_name, dst_name);
-    
-    TO_ROUTE_FULL(*src_id,*dst_id) = generic_new_extended_route(current_routing,data);
-
+    src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
+    dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
+    TO_ROUTE_FULL(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,1);
      xbt_dynar_free(&keys);
    }
 
@@ -778,15 +767,17 @@ static void  model_full_end() {
   xbt_dict_free(&(routing->parse_routes));
 
   /* Add the loopback if needed */
-  for (i = 0; i < table_size; i++) {
-    e_route = TO_ROUTE_FULL(i, i);
-    if(!e_route) { // && !xbt_dynar_length(e_route->generic_route.link_list)
-      e_route = xbt_new0(s_route_extended_t,1);
-      e_route->src_gateway = NULL;
-      e_route->dst_gateway = NULL;
-      e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
-      xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
-      TO_ROUTE_FULL(i, i) = e_route;
+  if(current_routing->hierarchy == SURF_ROUTING_BASE) {
+    for (i = 0; i < table_size; i++) {
+      e_route = TO_ROUTE_FULL(i, i);
+      if(!e_route) { // && !xbt_dynar_length(e_route->generic_route.link_list)
+        e_route = xbt_new0(s_route_extended_t,1);
+        e_route->src_gateway = NULL;
+        e_route->dst_gateway = NULL;
+        e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
+        xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
+        TO_ROUTE_FULL(i, i) = e_route;
+      }
     }
   }
 
@@ -812,6 +803,7 @@ typedef struct {
   int *predecessor_table;
   route_extended_t *link_table; /* char* -> int* */
   xbt_dict_t to_index;
+  xbt_dict_t bypassRoutes;
   /* store data during the parse process */  
   xbt_dict_t parse_routes; 
 } s_routing_component_floyd_t,*routing_component_floyd_t;
@@ -819,22 +811,23 @@ typedef struct {
 /* Business methods */
 
 static route_extended_t floyd_get_route(routing_component_t rc, const char* src,const char* dst) {
-  
-  xbt_assert1(src && dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
+  xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
   
   /* set utils vars */
   routing_component_floyd_t routing = (routing_component_floyd_t) rc;
   int table_size = xbt_dict_length(routing->to_index);
   
+  generic_src_dst_check(rc,src,dst);
+  int *src_id = xbt_dict_get_or_null(routing->to_index,src);
+  int *dst_id = xbt_dict_get_or_null(routing->to_index,dst);
+  xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",src,dst); 
+  
+  /* create a result route */
   route_extended_t new_e_route = xbt_new0(s_route_extended_t,1);
   new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
   new_e_route->src_gateway = NULL;
   new_e_route->dst_gateway = NULL;
   
-  int *src_id = xbt_dict_get(routing->to_index,src);
-  int *dst_id = xbt_dict_get(routing->to_index,dst);
-  xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",src,dst); 
-
   int first = 1;
   int pred = *dst_id;
   int prev_pred = 0;
@@ -842,7 +835,7 @@ static route_extended_t floyd_get_route(routing_component_t rc, const char* src,
   unsigned int cpt;
   void* link;
   xbt_dynar_t links;
-  route_extended_t e_route_as_to_as;
+  
   do {
     prev_pred = pred;
     pred = TO_FLOYD_PRED(*src_id, pred);
@@ -857,23 +850,30 @@ static route_extended_t floyd_get_route(routing_component_t rc, const char* src,
     gw_src = e_route->src_gateway;
     gw_dst = e_route->dst_gateway;
     
-    if(first) first_gw = gw_src;
+    if(first) first_gw = gw_dst;
     
-    if(rc->hierarchy == SURF_ROUTING_RECURSIVE && !first && strcmp(prev_gw_dst,gw_src)) {
-      
-      routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,prev_gw_dst);
-      routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,gw_src);
-      xbt_assert2(src_as==dst_as,"bad routing, differents AS gateways in route \"%s\" to \"%s\"",src,dst);
-      e_route_as_to_as = (*(src_as->get_route))(src_as,prev_gw_dst,gw_src);
-      links = e_route_as_to_as->generic_route.link_list;
+    if(rc->hierarchy == SURF_ROUTING_RECURSIVE && !first && strcmp(gw_dst,prev_gw_src)) {
+      //routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,gw_dst);
+      //routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,prev_gw_src);
+      //xbt_assert4(src_as==dst_as,"bad routing, differents AS gateways in route \"%s\" to \"%s\" (\"%s\"-\"%s\")",src,dst,gw_dst,prev_gw_src);
+      //route_extended_t e_route_as_to_as = (*(src_as->get_route))(src_as,gw_dst,prev_gw_src);
+      // TODO: - check for error - is possible to generate a route like =  as----as----as
+      xbt_dynar_t e_route_as_to_as = (*(global_routing->get_route))(gw_dst,prev_gw_src);
+      xbt_assert2(e_route_as_to_as,"no route between \"%s\" and \"%s\"",gw_dst,prev_gw_src);
+      //links = e_route_as_to_as->generic_route.link_list;
+      links = e_route_as_to_as;
+      int pos = 0;
       xbt_dynar_foreach(links, cpt, link) {
-        xbt_dynar_push(new_e_route->generic_route.link_list,&link);
+        xbt_dynar_insert_at(new_e_route->generic_route.link_list,pos,&link);
+        pos++;
       }
+//       xbt_dynar_free(&(e_route_as_to_as->generic_route.link_list));
+//       xbt_free(e_route_as_to_as);
     }
     
     links = e_route->generic_route.link_list;
     xbt_dynar_foreach(links, cpt, link) {
-      xbt_dynar_push(new_e_route->generic_route.link_list,&link);
+      xbt_dynar_unshift(new_e_route->generic_route.link_list,&link);
     }
     first=0;
     
@@ -881,8 +881,8 @@ static route_extended_t floyd_get_route(routing_component_t rc, const char* src,
   xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")", *src_id, *dst_id,src,dst);
   
   if(rc->hierarchy == SURF_ROUTING_RECURSIVE) {
-    new_e_route->src_gateway = first_gw;
-    new_e_route->dst_gateway = gw_dst;
+    new_e_route->src_gateway = gw_src;
+    new_e_route->dst_gateway = first_gw;
   }
   
   return new_e_route;
@@ -894,18 +894,12 @@ static void floyd_finalize(routing_component_t rc) {
   if (routing) {
     table_size = xbt_dict_length(routing->to_index);
     /* Delete link_table */
-    for (i=0;i<table_size;i++) {
-      for (j=0;j<table_size;j++) {
-        route_extended_t e_route = TO_FLOYD_LINK(i,j);
-        if(e_route) {
-          xbt_dynar_free(&(e_route->generic_route.link_list));
-          if(e_route->src_gateway) xbt_free(e_route->src_gateway);
-          if(e_route->dst_gateway) xbt_free(e_route->dst_gateway);
-          xbt_free(e_route);
-        }
-      }
-    }
+    for (i=0;i<table_size;i++)
+      for (j=0;j<table_size;j++)
+        generic_free_extended_route(TO_FLOYD_LINK(i,j));
     xbt_free(routing->link_table);
+    /* Delete bypass dict */
+    xbt_dict_free(&routing->bypassRoutes);
     /* Delete index dict */
     xbt_dict_free(&(routing->to_index));
     /* Delete dictionary index dict, predecessor and links table */
@@ -921,30 +915,33 @@ static void* model_floyd_create(void) {
   new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system;
   new_component->generic_routing.set_route = generic_set_route;
   new_component->generic_routing.set_ASroute = generic_set_ASroute;
+  new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
   new_component->generic_routing.get_route = floyd_get_route;
+  new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
   new_component->generic_routing.finalize = floyd_finalize;
   new_component->to_index = xbt_dict_new();
+  new_component->bypassRoutes = xbt_dict_new();
   new_component->parse_routes = xbt_dict_new();
   return new_component;
 }
 
-static void  model_floyd_load() {
+static void  model_floyd_load(void) {
  /* use "surfxml_add_callback" to add a parse function call */
 }
 
-static void  model_floyd_unload() {
+static void  model_floyd_unload(void) {
  /* use "surfxml_del_callback" to remove a parse function call */
 }
 
-static void  model_floyd_end() {
+static void  model_floyd_end(void) {
   
   routing_component_floyd_t routing = ((routing_component_floyd_t)current_routing);
   xbt_dict_cursor_t cursor = NULL;
   double * cost_table;
-  char *key,*data, *src_name, *dst_name;
+  char *key,*data, *end; //*src_name, *dst_name;
   const char *sep = "#";
   xbt_dynar_t keys;
-  int *src_id, *dst_id;
+  int src_id, dst_id;
   unsigned int i,j,a,b,c;
 
   /* set the size of inicial table */
@@ -960,47 +957,37 @@ static void  model_floyd_end() {
     for(j = 0; j<table_size;j++) {
         TO_FLOYD_COST(i,j) = DBL_MAX;
         TO_FLOYD_PRED(i,j) = -1;
-        TO_FLOYD_LINK(i,j) = NULL; // FIXED DAVID
+        TO_FLOYD_LINK(i,j) = NULL; // FIXED by david
     }
 
    /* Put the routes in position */
   xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
-    
     keys = xbt_str_split_str(key, sep);
-
-    src_name = xbt_dynar_get_as(keys, 0, char*);
-    dst_name = xbt_dynar_get_as(keys, 1, char*);
-    
-    src_id = xbt_dict_get_or_null(routing->to_index, src_name);
-    dst_id = xbt_dict_get_or_null(routing->to_index, dst_name);
-    
-    if (src_id == NULL || dst_id == NULL )
-      THROW2(mismatch_error,0,"Network elements %s or %s not found", src_name, dst_name);
-
-    TO_FLOYD_LINK(*src_id,*dst_id) = generic_new_extended_route(current_routing,data);
-    TO_FLOYD_PRED(*src_id,*dst_id) = *src_id;
-    
+    src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
+    dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
+    TO_FLOYD_LINK(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,0);
+    TO_FLOYD_PRED(src_id,dst_id) = src_id;
     //link cost
-    TO_FLOYD_COST(*src_id,*dst_id) = 1; // assume 1 for now
-    
+    TO_FLOYD_COST(src_id,dst_id) = ((TO_FLOYD_LINK(src_id,dst_id))->generic_route.link_list)->used; // assume 1 for now // TODO DAVID REDO
     xbt_dynar_free(&keys);
   }
 
   /* Add the loopback if needed */
-  for (i = 0; i < table_size; i++) {
-    route_extended_t e_route = TO_FLOYD_LINK(i, i);
-    if(!e_route) { // && !xbt_dynar_length(e_route->generic_route.link_list)
-      e_route = xbt_new0(s_route_extended_t,1);
-      e_route->src_gateway = NULL;
-      e_route->dst_gateway = NULL;
-      e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
-      xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
-      TO_FLOYD_LINK(i,i) = e_route;
-      TO_FLOYD_PRED(i,i) = i;
-      TO_FLOYD_COST(i,i) = 1;
+  if(current_routing->hierarchy == SURF_ROUTING_BASE) {
+    for (i = 0; i < table_size; i++) {
+      route_extended_t e_route = TO_FLOYD_LINK(i, i);
+      if(!e_route) { // && !xbt_dynar_length(e_route->generic_route.link_list)
+        e_route = xbt_new0(s_route_extended_t,1);
+        e_route->src_gateway = NULL;
+        e_route->dst_gateway = NULL;
+        e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
+        xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
+        TO_FLOYD_LINK(i,i) = e_route;
+        TO_FLOYD_PRED(i,i) = i;
+        TO_FLOYD_COST(i,i) = 1;
+      }
     }
   }
-
   //Calculate path costs 
   for(c=0;c<table_size;c++) {
     for(a=0;a<table_size;a++) {
@@ -1027,7 +1014,7 @@ static void  model_floyd_end() {
   xbt_dict_free(&(routing->parse_routes));
 
   //cleanup
-  free(cost_table);
+  xbt_free(cost_table);
 }
 
 /* ************************************************************************** */
@@ -1035,45 +1022,440 @@ static void  model_floyd_end() {
 
 typedef struct {
   s_routing_component_t generic_routing;
-  xbt_graph_t route_graph;
-  xbt_dict_t graph_node_map;
-  xbt_dict_t route_cache;
-  xbt_dynar_t last_route;
+  xbt_dict_t to_index;
+  xbt_dict_t bypassRoutes;
+  xbt_graph_t route_graph;   /* xbt_graph */
+  xbt_dict_t graph_node_map; /* map */
+  xbt_dict_t route_cache;    /* use in cache mode */
   int cached;
+  xbt_dict_t parse_routes;
 } s_routing_component_dijkstra_t,*routing_component_dijkstra_t;
 
-/* Parse routing model functions */
 
-/* Business methods */
+typedef struct graph_node_data {
+  int id; 
+  int graph_id; //used for caching internal graph id's
+} s_graph_node_data_t, * graph_node_data_t;
 
-/* Creation routing model functions */
+typedef struct graph_node_map_element {
+  xbt_node_t node;
+} s_graph_node_map_element_t, * graph_node_map_element_t;
 
-static void* model_dijkstra_create() {
-  return NULL;
+typedef struct route_cache_element {
+  int * pred_arr;
+  int size;
+} s_route_cache_element_t, * route_cache_element_t;    
+
+/* Free functions */
+
+static void route_cache_elem_free(void *e) {
+  route_cache_element_t elm=(route_cache_element_t)e;
+  if (elm) {
+    xbt_free(elm->pred_arr);
+    xbt_free(elm);
+  }
 }
 
-static void  model_dijkstra_load() {
+static void graph_node_map_elem_free(void *e) {
+  graph_node_map_element_t elm = (graph_node_map_element_t)e;
+  if(elm) {
+    xbt_free(elm);
+  }
 }
 
-static void  model_dijkstra_unload() {
+static void graph_edge_data_free(void *e) {
+  route_extended_t e_route = (route_extended_t)e;
+  if(e_route) {
+    xbt_dynar_free(&(e_route->generic_route.link_list));
+    if(e_route->src_gateway) xbt_free(e_route->src_gateway);
+    if(e_route->dst_gateway) xbt_free(e_route->dst_gateway);
+    xbt_free(e_route);
+  }
 }
 
-static void  model_dijkstra_end() {
+/* Utility functions */
+
+static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc, int id, int graph_id) {
+  routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
+  xbt_node_t node = NULL;
+  graph_node_data_t data = NULL;
+  graph_node_map_element_t elm = NULL;
+
+  data = xbt_new0(struct graph_node_data, 1); // FIXED by david
+  data->id = id;
+  data->graph_id = graph_id;
+  node = xbt_graph_new_node(routing->route_graph, data);
+
+  elm = xbt_new0(struct graph_node_map_element, 1); // FIXED by david
+  elm->node = node;
+  xbt_dict_set_ext(routing->graph_node_map, (char*)(&id), sizeof(int), (xbt_set_elm_t)elm, &graph_node_map_elem_free);
+
+  return node;
+}
+static graph_node_map_element_t graph_node_map_search(routing_component_dijkstra_t rc, int id) {
+  routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
+  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));
+  return elm;
 }
 
-static void* model_dijkstracache_create() {
-  return NULL;
+/* Parsing */
+
+static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id, int dst_id, route_extended_t e_route       ) {
+  routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
+
+  xbt_node_t src = NULL;
+  xbt_node_t dst = NULL;
+  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));
+  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));
+
+  if(src_elm)
+    src = src_elm->node;
+
+  if(dst_elm)
+    dst = dst_elm->node;
+
+  //add nodes if they don't exist in the graph
+  if(src_id == dst_id && src == NULL && dst == NULL) {
+    src = route_graph_new_node(rc,src_id, -1);
+    dst = src;
+  } else {
+    if(src == NULL) {
+      src = route_graph_new_node(rc,src_id, -1);
+    }
+    if(dst == NULL) {
+      dst = route_graph_new_node(rc,dst_id, -1);
+    }
+  }
+
+  //add link as edge to graph
+  xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
 }
 
-static void  model_dijkstracache_load() {
+static void add_loopback_dijkstra(routing_component_dijkstra_t rc) {
+  routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
+
+  xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
+
+  xbt_node_t node = NULL;
+  unsigned int cursor2;
+  xbt_dynar_foreach(nodes, cursor2, node) {
+    xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node); 
+    xbt_edge_t edge = NULL;
+    unsigned int cursor;
+
+    int found = 0;
+    xbt_dynar_foreach(out_edges, cursor, edge) {
+      xbt_node_t other_node = xbt_graph_edge_get_target(edge);
+      if(other_node == node) {
+        found = 1;
+        break;
+      }
+    }
+
+    if(!found) {
+      route_extended_t e_route = xbt_new0(s_route_extended_t,1);
+      e_route->src_gateway = NULL;
+      e_route->dst_gateway = NULL;
+      e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
+      xbt_dynar_push(e_route->generic_route.link_list,&global_routing->loopback);
+      xbt_graph_new_edge(routing->route_graph, node, node, e_route);
+    }
+  }
 }
 
-static void  model_dijkstracache_unload() {
+/* Business methods */
+
+static route_extended_t dijkstra_get_route(routing_component_t rc, const char* src,const char* dst) {
+  xbt_assert1(rc&&src&&dst, "Invalid params for \"get_route\" function at AS \"%s\"",rc->name);
+  
+  /* set utils vars */
+  routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
+  
+  generic_src_dst_check(rc,src,dst);
+  int *src_id = xbt_dict_get_or_null(routing->to_index,src);
+  int *dst_id = xbt_dict_get_or_null(routing->to_index,dst);
+  xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s)  or \"to\"(%s) no found in the local table",src,dst); 
+  
+  /* create a result route */
+  route_extended_t new_e_route = xbt_new0(s_route_extended_t,1);
+  new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
+  new_e_route->src_gateway = NULL;
+  new_e_route->dst_gateway = NULL;
+  
+  int *pred_arr = NULL;
+  int src_node_id = 0;
+  int dst_node_id = 0;
+  int * nodeid = NULL;
+  int v;
+  route_extended_t e_route;
+  int size = 0;
+  unsigned int cpt;
+  void* link;
+  xbt_dynar_t links = NULL;
+  route_cache_element_t elm = NULL;
+  xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
+  
+  /* Use the graph_node id mapping set to quickly find the nodes */
+  graph_node_map_element_t src_elm = graph_node_map_search(routing,*src_id);
+  graph_node_map_element_t dst_elm = graph_node_map_search(routing,*dst_id);
+  xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", *src_id, *dst_id);
+  src_node_id = ((graph_node_data_t)xbt_graph_node_get_data(src_elm->node))->graph_id;
+  dst_node_id = ((graph_node_data_t)xbt_graph_node_get_data(dst_elm->node))->graph_id;
+
+  /* if the src and dst are the same */ // FIXED by david
+  if( src_node_id == dst_node_id ) {
+    
+    xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
+    xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
+    xbt_edge_t edge = xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
+
+    xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id, *dst_id);
+    
+    e_route = (route_extended_t)xbt_graph_edge_get_data(edge);
+
+    links = e_route->generic_route.link_list;
+    xbt_dynar_foreach(links, cpt, link) {
+      xbt_dynar_unshift(new_e_route->generic_route.link_list,&link);
+    }
+  
+    return new_e_route;
+  }
+  
+  if(routing->cached) {
+    /*check if there is a cached predecessor list avail */
+    elm = (route_cache_element_t)xbt_dict_get_or_null_ext(routing->route_cache, (char*)(&src_id), sizeof(int));
+  }
+
+  if(elm) { //cached mode and cache hit
+    pred_arr = elm->pred_arr;
+  } else { //not cached mode or cache miss
+    double * cost_arr = NULL;
+    xbt_heap_t pqueue = NULL;
+    int i = 0;
+
+    int nr_nodes = xbt_dynar_length(nodes);
+    cost_arr = xbt_new0(double, nr_nodes); // link cost from src to other hosts
+    pred_arr = xbt_new0(int, nr_nodes);    // predecessors in path from src
+    pqueue = xbt_heap_new(nr_nodes, xbt_free);
+
+    //initialize
+    cost_arr[src_node_id] = 0.0;
+
+    for(i = 0; i < nr_nodes; i++) {
+      if(i != src_node_id) {
+        cost_arr[i] = DBL_MAX;
+      }
+
+      pred_arr[i] = 0;
+
+      //initialize priority queue
+      nodeid = xbt_new0(int, 1);
+      *nodeid = i;
+      xbt_heap_push(pqueue, nodeid, cost_arr[i]);
+
+    }
+
+    // apply dijkstra using the indexes from the graph's node array
+    while(xbt_heap_size(pqueue) > 0) {
+      int * v_id = xbt_heap_pop(pqueue);
+      xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
+      xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node); 
+      xbt_edge_t edge = NULL;
+      unsigned int cursor;
+
+      xbt_dynar_foreach(out_edges, cursor, edge) {
+        xbt_node_t u_node = xbt_graph_edge_get_target(edge);
+        graph_node_data_t data = xbt_graph_node_get_data(u_node);
+        int u_id = data->graph_id;
+       route_extended_t tmp_e_route = (route_extended_t)xbt_graph_edge_get_data(edge); // added TODO DAVID REDO
+        int cost_v_u = (tmp_e_route->generic_route.link_list)->used; //fixed link cost for now // TODO DAVID REDO
+
+        if(cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
+          pred_arr[u_id] = *v_id;
+          cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
+          nodeid = xbt_new0(int, 1);
+          *nodeid = u_id;
+          xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
+        }
+      }
+
+      //free item popped from pqueue
+      xbt_free(v_id);
+    }
+
+    xbt_free(cost_arr);
+    xbt_heap_free(pqueue);
+  }
+  
+  //compose route path with links
+  char *gw_src,*gw_dst, *prev_gw_src,*prev_gw_dst, *first_gw;
+  
+  for(v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
+    xbt_node_t node_pred_v = xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
+    xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
+    xbt_edge_t edge = xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
+
+    xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id, *dst_id);
+    
+    prev_gw_src = gw_src;
+    prev_gw_dst = gw_dst;
+    
+    e_route = (route_extended_t)xbt_graph_edge_get_data(edge);
+    gw_src = e_route->src_gateway;
+    gw_dst = e_route->dst_gateway;
+    
+    if(v==dst_node_id) first_gw = gw_dst;
+    
+    if(rc->hierarchy == SURF_ROUTING_RECURSIVE && v!=dst_node_id && strcmp(gw_dst,prev_gw_src)) {
+      //routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,gw_dst);
+      //routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,prev_gw_src);
+      //xbt_assert4(src_as==dst_as,"bad routing, differents AS gateways in route \"%s\" to \"%s\" (\"%s\"-\"%s\")",src,dst,gw_dst,prev_gw_src);
+      //route_extended_t e_route_as_to_as = (*(src_as->get_route))(src_as,gw_dst,prev_gw_src);
+      // TODO: - check for error - is possible to generate a route like =  as----as----as
+      xbt_dynar_t e_route_as_to_as = (*(global_routing->get_route))(gw_dst,prev_gw_src);
+      xbt_assert2(e_route_as_to_as,"no route between \"%s\" and \"%s\"",gw_dst,prev_gw_src);
+      //links = e_route_as_to_as->generic_route.link_list;
+      links = e_route_as_to_as;
+      int pos = 0;
+      xbt_dynar_foreach(links, cpt, link) {
+        xbt_dynar_insert_at(new_e_route->generic_route.link_list,pos,&link);
+        pos++;
+      }
+//       xbt_dynar_free(&(e_route_as_to_as->generic_route.link_list));
+//       xbt_free(e_route_as_to_as);
+    }
+    
+    links = e_route->generic_route.link_list;
+    xbt_dynar_foreach(links, cpt, link) {
+      xbt_dynar_unshift(new_e_route->generic_route.link_list,&link);
+    }
+    size++;
+  }
+
+  if(rc->hierarchy == SURF_ROUTING_RECURSIVE) {
+    new_e_route->src_gateway = gw_src;
+    new_e_route->dst_gateway = first_gw;
+  }
+
+  if(routing->cached && elm == NULL) {
+    //add to predecessor list of the current src-host to cache
+    elm = xbt_new0(struct route_cache_element, 1); // FIXED by david
+    elm->pred_arr = pred_arr;
+    elm->size = size;
+    xbt_dict_set_ext(routing->route_cache, (char*)(&src_id), sizeof(int), (xbt_set_elm_t)elm, &route_cache_elem_free);
+  }
+
+  if(!routing->cached)
+    xbt_free(pred_arr);
+  
+  return new_e_route;
 }
 
-static void  model_dijkstracache_end() {
+static void dijkstra_finalize(routing_component_t rc) {
+  routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
+
+  if (routing) {
+    xbt_graph_free_graph(routing->route_graph, &xbt_free, &graph_edge_data_free, &xbt_free);
+    xbt_dict_free(&routing->graph_node_map);
+    if(routing->cached)
+      xbt_dict_free(&routing->route_cache);
+    /* Delete bypass dict */
+    xbt_dict_free(&routing->bypassRoutes);
+    /* Delete index dict */
+    xbt_dict_free(&(routing->to_index));
+    /* Delete structure */
+    xbt_free(routing);
+  }
 }
 
+/* Creation routing model functions */
+
+static void* model_dijkstra_both_create(int cached) {
+  routing_component_dijkstra_t new_component = xbt_new0(s_routing_component_dijkstra_t,1);
+  new_component->generic_routing.set_processing_units = generic_set_processing_units;
+  new_component->generic_routing.set_autonomous_system = generic_set_autonomous_system;
+  new_component->generic_routing.set_route = generic_set_route;
+  new_component->generic_routing.set_ASroute = generic_set_ASroute;
+  new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
+  new_component->generic_routing.get_route = dijkstra_get_route;
+  new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
+  new_component->generic_routing.finalize = dijkstra_finalize;
+  new_component->cached = cached;
+  new_component->to_index = xbt_dict_new();
+  new_component->bypassRoutes = xbt_dict_new();
+  new_component->parse_routes = xbt_dict_new();
+  return new_component;
+}
+
+static void* model_dijkstra_create(void) {
+  return model_dijkstra_both_create(0);
+}
+
+static void* model_dijkstracache_create(void) {
+  return model_dijkstra_both_create(1);
+}
+
+static void  model_dijkstra_both_load(void) {
+ /* use "surfxml_add_callback" to add a parse function call */
+}
+
+static void  model_dijkstra_both_unload(void) {
+ /* use "surfxml_del_callback" to remove a parse function call */
+}
+
+static void  model_dijkstra_both_end(void) {
+  routing_component_dijkstra_t routing = (routing_component_dijkstra_t) current_routing;
+   xbt_dict_cursor_t cursor = NULL;
+   char *key, *data, *end;
+   const char *sep = "#";
+   xbt_dynar_t keys;
+  xbt_node_t node = NULL;
+  unsigned int cursor2;
+  xbt_dynar_t nodes = NULL;
+  int src_id, dst_id;
+  route_t route;
+  
+  /* Create the topology graph */
+  routing->route_graph = xbt_graph_new_graph(1, NULL);
+  routing->graph_node_map = xbt_dict_new();
+  
+  if(routing->cached)
+    routing->route_cache = xbt_dict_new();
+
+  /* Put the routes in position */
+  xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
+    keys = xbt_str_split_str(key, sep);
+    src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
+    dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
+    route_extended_t e_route = generic_new_extended_route(current_routing->hierarchy,data,0);
+    route_new_dijkstra(routing,src_id,dst_id,e_route);
+    xbt_dynar_free(&keys);
+  }
+
+  /* delete the parse table */
+  xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
+    route = (route_t)data;
+    xbt_dynar_free(&(route->link_list));
+    xbt_free(data);
+  }
+      
+  /* delete parse dict */
+  xbt_dict_free(&(routing->parse_routes));
+  
+  /* Add the loopback if needed */
+  if(current_routing->hierarchy == SURF_ROUTING_BASE)
+    add_loopback_dijkstra(routing);
+
+  /* initialize graph indexes in nodes after graph has been built */
+  nodes = xbt_graph_get_nodes(routing->route_graph);
+
+  xbt_dynar_foreach(nodes, cursor2, node) {
+    graph_node_data_t data = xbt_graph_node_get_data(node);
+    data->graph_id = cursor2;
+  }
+  
+}
 
 /* ************************************************************************** */
 /* ******************************* NO ROUTING ******************************* */
@@ -1087,25 +1469,33 @@ typedef struct {
 static route_extended_t none_get_route(routing_component_t rc, const char* src,const char* dst){
   return NULL;
 }
+static route_extended_t none_get_bypass_route(routing_component_t rc, const char* src,const char* dst){
+  return NULL;
+}
 static void none_finalize(routing_component_t rc) {
   xbt_free(rc);
 }
 
+static void none_set_processing_units(routing_component_t rc, const char* name) {}
+static void none_set_autonomous_system(routing_component_t rc, const char* name) {}
+
 /* Creation routing model functions */
-static void* model_none_create() {
+static void* model_none_create(void) {
   routing_component_none_t new_component =  xbt_new0(s_routing_component_none_t,1);
-  new_component->generic_routing.set_processing_units = NULL;
-  new_component->generic_routing.set_autonomous_system = NULL;
+  new_component->generic_routing.set_processing_units = none_set_processing_units;
+  new_component->generic_routing.set_autonomous_system = none_set_autonomous_system;
   new_component->generic_routing.set_route = NULL;
   new_component->generic_routing.set_ASroute = NULL;
+  new_component->generic_routing.set_bypassroute = NULL;
   new_component->generic_routing.get_route = none_get_route;
+  new_component->generic_routing.get_bypass_route = none_get_bypass_route;
   new_component->generic_routing.finalize = none_finalize;
   return new_component;
 }
 
-static void  model_none_load() {}
-static void  model_none_unload() {}
-static void  model_none_end() {}
+static void  model_none_load(void) {}
+static void  model_none_unload(void) {}
+static void  model_none_end(void) {}
 
 /* ************************************************** */
 /* ********** PATERN FOR NEW ROUTING **************** */
@@ -1114,96 +1504,310 @@ static void  model_none_end() {}
  * also you need to set at the start of the file, the new model in the model
  * list. Remember keep the null ending of the list.
  */
-/* Routing model structure */
+/*** Routing model structure ***/
 typedef struct {
   s_routing_component_t generic_routing;
   /* things that your routing model need */
 } s_routing_component_NEW_t,*routing_component_NEW_t;
 
-/* Parse routing model functions */
-static void NEW_parse_S_host(void) {} /* example*/
+/*** Parse routing model functions ***/
+static void model_NEW_set_processing_units(routing_component_t rc, const char* name) {}
+static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
+static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
+static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
+static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
 
-/* Business methods */
-static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;} /* mandatory */
-static void NEW_finalize(routing_component_t rc) {} /* mandatory */
+/*** Business methods ***/
+static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
+static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
+static void NEW_finalize(routing_component_t rc) {}
 
-/* Creation routing model functions */
-static void* model_NEW_create() {return NULL;} /* mandatory */
-static void  model_NEW_load() {}   /* mandatory */
-static void  model_NEW_unload() {} /* mandatory */
-static void  model_NEW_end() {}    /* mandatory */
+// /*** Creation routing model functions ***/
+static void* model_NEW_create(void) {
+  routing_component_full_t new_component =  xbt_new0(s_routing_component_full_t,1);
+  new_component->generic_routing.set_processing_units = model_NEW_set_processing_units;
+  new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
+  new_component->generic_routing.set_route = model_NEW_set_route;
+  new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
+  new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
+  new_component->generic_routing.get_route = NEW_get_route;
+  new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
+  new_component->generic_routing.finalize = NEW_finalize;
+  /* initialization of internal structures */
+  return new_component;
+} /* mandatory */
+static void  model_NEW_load(void) {}   /* mandatory */
+static void  model_NEW_unload(void) {} /* mandatory */
+static void  model_NEW_end(void) {}    /* mandatory */
 
 /* ************************************************************************** */
 /* ************************* GENERIC PARSE FUNCTIONS ************************ */ 
 
 static void generic_set_processing_units(routing_component_t rc, const char* name) {
-   DEBUG1("Full - Load process unit \"%s\"",name);
-   model_type_t modeltype = rc->routing;
-   int *id = xbt_new0(int,1); // xbt_malloc(sizeof(int)); ?
-   xbt_dict_t index;
-   if(modeltype==&routing_models[SURF_MODEL_FULL])
-     index = ((routing_component_full_t)current_routing)->to_index;
-   else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
-     index = ((routing_component_floyd_t)current_routing)->to_index;   
-   else xbt_die("\"generic_set_processing_units\" not support");
-   *id = xbt_dict_length(index);
-   xbt_dict_set(index,name,id,xbt_free);
+  DEBUG1("Load process unit \"%s\"",name);
+  model_type_t modeltype = rc->routing;
+  int *id = xbt_new0(int,1); // xbt_malloc(sizeof(int)); ?
+  xbt_dict_t _to_index;
+  if(modeltype==&routing_models[SURF_MODEL_FULL])
+    _to_index = ((routing_component_full_t)rc)->to_index;
+  
+  else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
+    _to_index = ((routing_component_floyd_t)rc)->to_index;
+  
+  else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
+          modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE])
+    _to_index = ((routing_component_dijkstra_t)rc)->to_index;
+  
+  else xbt_die("\"generic_set_processing_units\" not support");
+  *id = xbt_dict_length(_to_index);
+  xbt_dict_set(_to_index,name,id,xbt_free);
 }
 
 static void generic_set_autonomous_system(routing_component_t rc, const char* name) {
-   DEBUG1("Full - Load Autonomous system \"%s\"",name);
-   model_type_t modeltype = rc->routing;
-   int *id = xbt_new0(int,1); // xbt_malloc(sizeof(int)); ?
-   xbt_dict_t index;
-   if(modeltype==&routing_models[SURF_MODEL_FULL])
-     index = ((routing_component_full_t)current_routing)->to_index;
-   else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
-     index = ((routing_component_floyd_t)current_routing)->to_index;
-   else xbt_die("\"generic_set_autonomous_system\" not support");
-   *id = xbt_dict_length(index);
-   xbt_dict_set(index,name,id,xbt_free);
-}
-
-static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {
-  DEBUG2("Full - Load Route from \"%s\" to \"%s\"",src,dst);
+  DEBUG1("Load Autonomous system \"%s\"",name);
   model_type_t modeltype = rc->routing;
-  xbt_dict_t parseroutes;
+  int *id = xbt_new0(int,1); // xbt_malloc(sizeof(int)); ?
+  xbt_dict_t _to_index;
   if(modeltype==&routing_models[SURF_MODEL_FULL])
-    parseroutes = ((routing_component_full_t)current_routing)->parse_routes;
+    _to_index = ((routing_component_full_t)rc)->to_index;
+  
   else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
-    parseroutes = ((routing_component_floyd_t)current_routing)->parse_routes;
+    _to_index = ((routing_component_floyd_t)rc)->to_index;
+  
+  else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
+          modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE])
+    _to_index = ((routing_component_dijkstra_t)rc)->to_index;
+  
   else xbt_die("\"generic_set_autonomous_system\" not support");
+  *id = xbt_dict_length(_to_index);
+  xbt_dict_set(_to_index,name,id,xbt_free);
+}
+
+static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {
+  DEBUG2("Load Route from \"%s\" to \"%s\"",src,dst);
+  model_type_t modeltype = rc->routing;
+  xbt_dict_t _parse_routes;
+  xbt_dict_t _to_index;
   char *route_name;
-  route_name = bprintf("%s#%s",src,dst);
-  xbt_assert2(xbt_dynar_length(link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst);   
-  xbt_assert2(!xbt_dict_get_or_null(parseroutes,route_name),
+  int *src_id, *dst_id;
+  
+  if(modeltype==&routing_models[SURF_MODEL_FULL]) {
+    _parse_routes = ((routing_component_full_t)rc)->parse_routes;
+    _to_index = ((routing_component_full_t)rc)->to_index;
+    
+  } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
+    _parse_routes = ((routing_component_floyd_t)rc)->parse_routes;
+    _to_index = ((routing_component_floyd_t)rc)->to_index;
+    
+  } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
+          modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
+    _parse_routes = ((routing_component_dijkstra_t)rc)->parse_routes;
+    _to_index = ((routing_component_dijkstra_t)rc)->to_index;
+  
+  } else xbt_die("\"generic_set_route\" not support");
+
+  src_id = xbt_dict_get_or_null(_to_index, src);
+  dst_id = xbt_dict_get_or_null(_to_index, dst);
+  
+  xbt_assert2(src_id&&dst_id,"Network elements %s or %s not found", src, dst);
+  route_name = bprintf("%d#%d",*src_id,*dst_id);
+  
+  xbt_assert2(xbt_dynar_length(route->link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst);   
+  xbt_assert2(!xbt_dict_get_or_null(_parse_routes,route_name),
     "The route between \"%s\" and \"%s\" already exist",src,dst);
-  xbt_dict_set(parseroutes, route_name, route, NULL);
-  free(route_name);
+
+  xbt_dict_set(_parse_routes, route_name, route, NULL);
+  xbt_free(route_name);
 }
 
 static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {
-  DEBUG4("Full - Load ASroute from \"%s(%s)\" to \"%s(%s)\"",src,e_route->src_gateway,dst,e_route->dst_gateway);
+  DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"",src,e_route->src_gateway,dst,e_route->dst_gateway);
   model_type_t modeltype = rc->routing;
-  xbt_dict_t parseroutes;
-  if(modeltype==&routing_models[SURF_MODEL_FULL])
-    parseroutes = ((routing_component_full_t)current_routing)->parse_routes;
-  else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
-    parseroutes = ((routing_component_floyd_t)current_routing)->parse_routes;
-  else xbt_die("\"generic_set_autonomous_system\" not support");
+  xbt_dict_t _parse_routes;
+  xbt_dict_t _to_index;
   char *route_name;
-  route_name = bprintf("%s#%s",src,dst);
-  xbt_assert2(xbt_dynar_length(link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst);   
-  xbt_assert4(!xbt_dict_get_or_null(parseroutes,route_name),
+  int *src_id, *dst_id;
+  
+  if(modeltype==&routing_models[SURF_MODEL_FULL]) {
+    _parse_routes = ((routing_component_full_t)rc)->parse_routes;
+    _to_index = ((routing_component_full_t)rc)->to_index;
+    
+  } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
+    _parse_routes = ((routing_component_floyd_t)rc)->parse_routes;
+    _to_index = ((routing_component_floyd_t)rc)->to_index;
+    
+  } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
+          modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
+    _parse_routes = ((routing_component_dijkstra_t)rc)->parse_routes;
+    _to_index = ((routing_component_dijkstra_t)rc)->to_index;
+  
+  } else xbt_die("\"generic_set_route\" not support");
+  
+  src_id = xbt_dict_get_or_null(_to_index, src);
+  dst_id = xbt_dict_get_or_null(_to_index, dst);
+  
+  xbt_assert2(src_id&&dst_id,"Network elements %s or %s not found", src, dst);
+  route_name = bprintf("%d#%d",*src_id,*dst_id);
+  
+  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);   
+  xbt_assert4(!xbt_dict_get_or_null(_parse_routes,route_name),
     "The route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",src,e_route->src_gateway,dst,e_route->dst_gateway);
-  xbt_dict_set(parseroutes, route_name, e_route, NULL);
-  free(route_name);
+    
+  xbt_dict_set(_parse_routes, route_name, e_route, NULL);
+  xbt_free(route_name);
+}
+
+static void generic_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {
+  DEBUG2("Load bypassRoute from \"%s\" to \"%s\"",src,dst);
+  model_type_t modeltype = rc->routing;
+  xbt_dict_t dict_bypassRoutes;
+  char *route_name;
+  if(modeltype==&routing_models[SURF_MODEL_FULL]) {
+    dict_bypassRoutes = ((routing_component_full_t)rc)->bypassRoutes;
+  } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
+    dict_bypassRoutes = ((routing_component_floyd_t)rc)->bypassRoutes;
+  } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
+          modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
+    dict_bypassRoutes = ((routing_component_dijkstra_t)rc)->bypassRoutes;
+  } else xbt_die("\"generic_set_bypassroute\" not support");
+  route_name = bprintf("%s#%s",src,dst);
+  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);
+  xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes,route_name),
+    "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",src,e_route->src_gateway,dst,e_route->dst_gateway);
+    
+  route_extended_t new_e_route = generic_new_extended_route(SURF_ROUTING_RECURSIVE,e_route,0);
+  xbt_dynar_free( &(e_route->generic_route.link_list) );
+  xbt_free(e_route);
+  
+  xbt_dict_set(dict_bypassRoutes, route_name, new_e_route, (void(*)(void*))generic_free_extended_route ); 
+  xbt_free(route_name);
+}
+
+/* ************************************************************************** */
+/* *********************** GENERIC BUSINESS METHODS ************************* */
+
+static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst) {
+  model_type_t modeltype = rc->routing;
+  xbt_dict_t dict_bypassRoutes;
+  
+  if(modeltype==&routing_models[SURF_MODEL_FULL]) {
+    dict_bypassRoutes = ((routing_component_full_t)rc)->bypassRoutes;
+  } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
+    dict_bypassRoutes = ((routing_component_floyd_t)rc)->bypassRoutes;
+  } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
+          modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
+    dict_bypassRoutes = ((routing_component_dijkstra_t)rc)->bypassRoutes;
+  } else xbt_die("\"generic_set_bypassroute\" not support");
+
+  routing_component_t src_as, dst_as;
+  int index_src, index_dst;
+  xbt_dynar_t path_src = NULL;
+  xbt_dynar_t path_dst = NULL;
+  routing_component_t current = NULL;
+  routing_component_t* current_src = NULL;
+  routing_component_t* current_dst = NULL;
+
+  /* (1) find the as where the src and dst are located */
+  src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
+  dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst); 
+  xbt_assert2(src_as&&dst_as, "Ask for route \"from\"(%s) or \"to\"(%s) no found",src,dst);
+  /* (2) find the path to the root routing component */
+  path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
+  current = src_as; 
+  while( current != NULL ) {
+    xbt_dynar_push(path_src,&current);
+    current = current->routing_father;
+  }
+  path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
+  current = dst_as; 
+  while( current != NULL ) {
+    xbt_dynar_push(path_dst,&current);
+    current = current->routing_father;
+  }
+
+  /* (3) find the common father */
+  index_src  = (path_src->used)-1;
+  index_dst  = (path_dst->used)-1;
+  current_src = xbt_dynar_get_ptr(path_src,index_src);
+  current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
+  while( index_src >= 0 && index_dst >= 0 && *current_src == *current_dst ) {
+    routing_component_t *tmp_src,*tmp_dst;
+    tmp_src = xbt_dynar_pop_ptr(path_src);
+    tmp_dst = xbt_dynar_pop_ptr(path_dst);
+    index_src--;
+    index_dst--;
+    current_src = xbt_dynar_get_ptr(path_src,index_src);
+    current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
+  }
+  
+  int max_index_src = (path_src->used)-1;
+  int max_index_dst = (path_dst->used)-1;
+  
+  int max_index = max(max_index_src,max_index_dst);
+  int i, max;
+ route_extended_t e_route_bypass = NULL;
+  for( max=0;max<=max_index;max++)
+  {
+    for(i=0;i<max;i++)
+    {
+      if( i <= max_index_src  && max <= max_index_dst ) {
+       char* route_name = bprintf("%s#%s",
+                                  (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,i)))->name,
+                                  (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,max)))->name);
+       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name);
+       xbt_free(route_name);
+      }
+      if( e_route_bypass ) break;
+      if( max <= max_index_src  && i <= max_index_dst ) {
+       char* route_name = bprintf("%s#%s",
+                                  (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,max)))->name,
+                                  (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,i)))->name);
+       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name);
+       xbt_free(route_name);
+      }
+      if( e_route_bypass ) break;
+    }
+    
+    if( e_route_bypass ) break;
+     
+    if( max <= max_index_src  && max <= max_index_dst ) {
+       char* route_name = bprintf("%s#%s",
+                                  (*(routing_component_t*)(xbt_dynar_get_ptr(path_src,max)))->name,
+                                  (*(routing_component_t*)(xbt_dynar_get_ptr(path_dst,max)))->name);
+       e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes,route_name);
+       xbt_free(route_name);
+      }
+    if( e_route_bypass ) break;
+  }
+
+  xbt_dynar_free(&path_src);
+  xbt_dynar_free(&path_dst);
+  
+  route_extended_t new_e_route = NULL;
+  
+  if(e_route_bypass) {
+    void* link;
+    unsigned int cpt=0;
+    new_e_route = xbt_new0(s_route_extended_t,1);
+    new_e_route->src_gateway = e_route_bypass->src_gateway;
+    new_e_route->dst_gateway = e_route_bypass->dst_gateway;
+    new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
+    xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
+      xbt_dynar_push(new_e_route->generic_route.link_list,&link);
+    }
+  }
+
+  return new_e_route;
 }
 
 /* ************************************************************************** */
 /* ************************* GENERIC AUX FUNCTIONS ************************** */
 
-static route_extended_t generic_new_extended_route(routing_component_t rc, void* data) {
+static route_extended_t generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy, void* data, int order) {
   
   char *link_name;
   route_extended_t e_route, new_e_route;
@@ -1216,21 +1820,18 @@ static route_extended_t generic_new_extended_route(routing_component_t rc, void*
   new_e_route->src_gateway = NULL;
   new_e_route->dst_gateway = NULL;
 
-  xbt_assert0(rc->hierarchy == SURF_ROUTING_BASE || rc->hierarchy == SURF_ROUTING_RECURSIVE,
+  xbt_assert0(hierarchy == SURF_ROUTING_BASE || hierarchy == SURF_ROUTING_RECURSIVE,
       "the hierarchy type is not defined");
   
-  if(rc->hierarchy == SURF_ROUTING_BASE ) {
+  if(hierarchy == SURF_ROUTING_BASE ) {
     
     route = (route_t)data;
     links = route->link_list;
     
-  } else if(rc->hierarchy == SURF_ROUTING_RECURSIVE ) {
+  } else if(hierarchy == SURF_ROUTING_RECURSIVE ) {
 
     e_route = (route_extended_t)data;
-    
-    // FIXME: HERE CHECK THE GATEWAY!!!!!!!!!
     xbt_assert0(e_route->src_gateway&&e_route->dst_gateway,"bad gateway, is null");
-    
     links = e_route->generic_route.link_list;
     
     /* remeber not erase the gateway names */
@@ -1244,7 +1845,12 @@ static route_extended_t generic_new_extended_route(routing_component_t rc, void*
     
     void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
     if (link)
-      xbt_dynar_push(links_id,&link);
+    {
+      if( order )
+        xbt_dynar_push(links_id,&link);
+      else
+        xbt_dynar_unshift(links_id,&link);
+    }
     else
       THROW1(mismatch_error,0,"Link %s not found", link_name);
   }
@@ -1252,6 +1858,68 @@ static route_extended_t generic_new_extended_route(routing_component_t rc, void*
   return new_e_route;
 }
 
+static void generic_free_extended_route(route_extended_t e_route) {
+  if(e_route) {
+    xbt_dynar_free(&(e_route->generic_route.link_list));
+    if(e_route->src_gateway) xbt_free(e_route->src_gateway);
+    if(e_route->dst_gateway) xbt_free(e_route->dst_gateway);
+    xbt_free(e_route);
+  }
+}
+
+static routing_component_t generic_as_exist(routing_component_t find_from, routing_component_t to_find) {
+  xbt_dict_cursor_t cursor = NULL;
+  char *key;
+  int found=0;
+  routing_component_t elem;
+  xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
+    if( to_find == elem || generic_as_exist(elem,to_find) ){
+      found=1;
+      break;
+    }
+  }
+  if(found) return to_find;
+  return NULL;
+}
+
+static routing_component_t generic_autonomous_system_exist(routing_component_t rc, char* element) {
+  routing_component_t element_as, result, elem;
+  xbt_dict_cursor_t cursor = NULL;
+  char *key;
+  element_as = xbt_dict_get_or_null(global_routing->where_network_elements,element);
+  result = ((routing_component_t)-1);
+  if(element_as!=rc)
+    result = generic_as_exist(rc,element_as);
+  
+  if(result)
+  {
+    xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
+      if( !strcmp(elem->name,element) ) return element_as;
+    }
+  }
+  return NULL;
+}
+
+static routing_component_t generic_processing_units_exist(routing_component_t rc, char* element) {
+  routing_component_t element_as;
+  element_as = xbt_dict_get_or_null(global_routing->where_network_elements,element);
+  if(element_as==rc) return element_as;
+  return generic_as_exist(rc,element_as);
+}
+
+static void generic_src_dst_check(routing_component_t rc, const char* src, const char* dst) {
+  
+  routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
+  routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
+   
+  xbt_assert3(src_as != NULL && dst_as  != NULL, 
+      "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",src,dst,rc->name);
+  xbt_assert4(src_as == dst_as,
+      "The src(%s in %s) and dst(%s in %s) are in differents AS",src,src_as->name,dst,dst_as->name);
+  xbt_assert2(rc == dst_as,
+      "The routing component of src and dst is not the same as the network elements belong (%s==%s)",rc->name,dst_as->name);
+}
+        
 ////////////////////////////////////////////////////////////////////////////////
 // HERE FINISH THE NEW CODE
 ////////////////////////////////////////////////////////////////////////////////
@@ -1298,30 +1966,33 @@ static void print_ctn(void)      { printf("ctn!!! %s\n",A_surfxml_link_c_ctn_id)
 //...... DEBUG ONLY .... //
 static void DEBUG_exit(void) {
   
-  printf("-------- print tree elements -----\n");
-  print_tree(global_routing->root);
-  printf("----------------------------------\n\n");
-  
-  printf("-------- network_elements --------\n");
-  print_global();
-  printf("----------------------------------\n\n");
+//   printf("-------- print tree elements -----\n");
+//   print_tree(global_routing->root);
+//   printf("----------------------------------\n\n");
+//   
+//   printf("-------- network_elements --------\n");
+//   print_global();
+//   printf("----------------------------------\n\n");
   
-//   char* names[] = { "11.A","11.B","11.C","121.A","121.B","122.A","13.A","13.B"};
+//   const char* names[] = { "11.A","11.B","11.C","121.A","121.B","122.A","13.A","13.B"};
 //   int i,j,total = 8;
 
 //   printf("-- print all the example routes --\n");
-//   char* names[] = { "11.A","11.B","11.C"};
+//   const char* names[] = { "11.A","11.B","11.C"};
 //   int i,j,total = 3;
 
-//   char* names[] = { "141.A","141.B","143.A","143.B"};
+//   const char* names[] = { "141.A","141.B","143.A","143.B"};
 //   int i,j,total = 4;
 
-//   char* names[] = { "142.A","142.B","142.C" };
+//   const char* names[] = { "15.A","15.B","15.C" };
 //   int i,j,total = 3;
 
 //   const char* names[] = { "142.A","142.B","142.C", "11.A","11.B","11.C","141.A","141.B","143.A","143.B","11.A","11.B","11.C","121.A","121.B","122.A","13.A","13.B"};
 //   int i,j,total = 3+4+8+3;
 
+//   const char* names[] = { "142.A","142.B","142.C" };
+//   int i,j,total = 3;
+
    const char* names[] = { "11.A","11.B","11.C",
                            "121.A","121.B",
                            "122.A",
@@ -1332,13 +2003,17 @@ static void DEBUG_exit(void) {
                            "15.A","15.B","15.C"};
    unsigned int i,j,total = 3+2+1+2+2+3+2+3;
 
+// const char* names[] = { "141.A","143.A" };
+// int i,j,total = 2;
+   
   printf("-- print all the example routes --\n");
   xbt_dynar_t links;
   void* link;
   for(i=0;i<total;i++) {
     for(j=0;j<total;j++) {
-      printf("route from %s to %s >>> ",names[i],names[j]);
+      printf("route from %s to %s >>>\n ",names[i],names[j]);
       links = (*(global_routing->get_route))(names[i],names[j]);
+      printf(">>>");
       unsigned int cpt=0;
       xbt_dynar_foreach(links, cpt, link) {
         s_surf_resource_t* generic_resource = link;
@@ -1347,7 +2022,6 @@ static void DEBUG_exit(void) {
       printf("\n");
     }
   }
-  
   printf("----------------------------------\n\n");
   
   printf("---------- call finalize ---------\n");
@@ -1361,6 +2035,7 @@ static void DEBUG_exit(void) {
 // HERE END THE NEW CODE
 ////////////////////////////////////////////////////////////////////////////////
 
+
 // /* ************************************************************************** */
 // /* *************************** FULL ROUTING ********************************* */
 // typedef struct {