XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf");
-
-// FIXME: the next two lines cant be comented without fix the code in network.c file.
-routing_t used_routing = NULL;
-xbt_dict_t onelink_routes = NULL;
-//
-// /* Prototypes of each model */
-// static void routing_model_full_create(size_t size_of_link,void *loopback);
-// // static void routing_model_floyd_create(size_t size_of_link, void*loopback);
-// // static void routing_model_dijkstra_create(size_t size_of_link, void*loopback);
-// // static void routing_model_dijkstracache_create(size_t size_of_link, void*loopback);
-// //static void routing_model_none_create(size_t size_of_link, void*loopback);
-//
-// /* Definition of each model */
-// struct model_type {
-// const char *name;
-// const char *desc;
-// void (*fun)(size_t,void*);
-// };
-//
-// struct model_type models[] =
-// { {"Full", "Full routing data (fast, large memory requirements, fully expressive)", routing_model_full_create },
-// // {"Floyd", "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)", routing_model_floyd_create },
-// // {"Dijkstra", "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)", routing_model_dijkstra_create },
-// // {"DijkstraCache", "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)", routing_model_dijkstracache_create },
-// // {"none", "No routing (usable with Constant network only)", routing_model_none_create },
-// {NULL,NULL,NULL}};
////////////////////////////////////////////////////////////////////////////////
// HERE START THE NEW CODE
static void print_link(void);
static void print_route(void);
static void print_ctn(void);
-static void DEGUB_exit(void);
+static void DEBUG_exit(void);
////////////////////////////////////////////////////////////////////////////////
// HERE START THE NEW CODE
model_type_t current_routing_model = NULL;
/* Prototypes of each model */
-static void* model_full_create(); /* create structures for full routing model */
-static void model_full_load(); /* load parse functions for full routing model */
-static void model_full_unload(); /* unload parse functions for full routing model */
-static void model_full_end(); /* finalize the creation of full routing model */
+static void* model_full_create(void); /* create structures for full routing model */
+static void model_full_load(void); /* load parse functions for full routing model */
+static void model_full_unload(void); /* unload parse functions for full routing model */
+static void model_full_end(void); /* finalize the creation of full routing model */
+
+static void* model_floyd_create(void); /* create structures for floyd routing model */
+static void model_floyd_load(void); /* load parse functions for floyd routing model */
+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_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_none_create(void); /* none routing model */
+static void model_none_load(void); /* none routing model */
+static void model_none_unload(void); /* none routing model */
+static void model_none_end(void); /* none routing model */
/* Table of routing models */
+// typedef enum {
+// SURF_MODEL_FULL = 0,
+// SURF_MODEL_FLOYD,
+// SURF_MODEL_DIJKSTRA,
+// SURF_MODEL_DIJKSTRACACHE,
+// SURF_MODEL_NONE
+// } e_surf_model_type_t;
+
+#define SURF_MODEL_FULL 0
+#define SURF_MODEL_FLOYD 1
+#define SURF_MODEL_DIJKSTRA 2
+#define SURF_MODEL_DIJKSTRACACHE 3
+#define SURF_MODEL_NONE 4
+
+/* must be finish with null and carefull if change de order */
struct s_model_type routing_models[] =
-{ {"Full", "Full routing data", model_full_create, model_full_load, model_full_unload, model_full_end },
+{ {"Full", "Full routing data (fast, large memory requirements, fully expressive)",
+ model_full_create, model_full_load, model_full_unload, model_full_end },
+ {"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 },
+ {"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 },
+ {"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}};
-
/* global parse functions */
+static char* src = NULL; /* temporary store the source name of a route */
+static char* dst = NULL; /* temporary store the destination name of a route */
+static char* gw_src = NULL; /* temporary store the gateway source name of a route */
+static char* gw_dst = NULL; /* temporary store the gateway destination name of a route */
+static xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
+
/**
* \brief Add a "host" to the network element list
- *
- * Allows find a "host" in any routing component
*/
-static void parse_S_host(void) { // FIXME: if not exists
+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);
+ (*(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);
}
/**
* \brief Add a "router" to the network element list
- *
- * Allows find a "router" in any routing component
*/
-static void parse_S_router(void) { // FIXME: if not exists
+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);
+ (*(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);
}
/**
- * \brief Add a "gateway" to the network element list
- *
- * Allows find a "gateway" in any routing component
+ * \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;
+ dst = A_surfxml_route_dst;
+ link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref);
+}
+
+/**
+ * \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;
+ dst = A_surfxml_ASroute_dst;
+ gw_src = A_surfxml_ASroute_gw_src;
+ gw_dst = A_surfxml_ASroute_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
*/
-static void parse_S_gateway(void) { // FIXME: if not exists
- xbt_dict_set(global_routing->where_network_elements,A_surfxml_gateway_id,(void*)current_routing,NULL);
+static void parse_E_link_c_ctn_new_elem(void) {
+ char *val;
+ val = xbt_strdup(A_surfxml_link_c_ctn_id);
+ xbt_dynar_push(link_list, &val);
+}
+
+/**
+ * \brief Store de 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->link_list = link_list;
+ // TODO check if are correct
+ (*(current_routing->set_route))(current_routing,src,dst,route);
+ link_list = NULL;
+ src = NULL;
+ dst = NULL;
+}
+
+/**
+ * \brief Store de 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);
+ 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
+ (*(current_routing->set_ASroute))(current_routing,src,dst,e_route);
+ link_list = NULL;
+ src = NULL;
+ dst = NULL;
+ gw_src = NULL;
+ gw_dst = NULL;
}
/**
for (cpt=0;routing_models[cpt].name;cpt++)
if (!strcmp(wanted,routing_models[cpt].name))
fprintf(stderr," %s: %s\n",routing_models[cpt].name,routing_models[cpt].desc);
- exit(1);
+ xbt_die(NULL);
}
/* 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);
new_routing->routing_sons = xbt_dict_new();
-
- if( current_routing == NULL && global_routing->root == NULL )
- { /* it is the first one */
+ INFO2("Routing %s for AS %s",A_surfxml_AS_routing,A_surfxml_AS_id);
+
+ if( current_routing == NULL && global_routing->root == NULL ){
+
+ /* it is the first one */
new_routing->routing_father = NULL;
global_routing->root = new_routing;
- }
- else if( current_routing != NULL && global_routing->root != NULL )
- { /* it is a part of the tree */
+
+ } else if( current_routing != NULL && global_routing->root != NULL ) {
+
+ xbt_assert1(!xbt_dict_get_or_null(current_routing->routing_sons,A_surfxml_AS_id),
+ "The AS \"%s\" already exist",A_surfxml_AS_id);
+ /* it is a part of the tree */
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 */
+ (*(current_routing->set_autonomous_system))(current_routing,A_surfxml_AS_id);
/* unload the prev parse rules */
(*(current_routing->routing->unload))();
- }
- else
- {
+
+ } else {
THROW0(arg_error,0,"All defined components must be belong to a AS");
}
/* set the new parse rules */
}
/**
- * \brief Recursive function for add the differents AS to global dict
+ * \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;
- int *val;
routing_component_t elem;
xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
_add_parse_AS(elem);
}
/**
- * \brief Add a "AS" to the network element list
+ * \brief Add all "AS" to the global dict of network element
*
* Allows find a "AS" in any routing component
*/
_add_parse_AS(global_routing->root);
}
-/* Global Business methods */
+/* Aux Business methods */
/**
- * \brief Generic method: find a route between hosts
+ * \brief Get the AS father and the first elements of the chain
*
* \param src the source host name
* \param dst the destination host name
*
- * walk through the routing components tree and find a route between hosts
- * by calling the differents "get_route" functions in each routing component
+ * Get the common father of the to processing units, and the first different
+ * father in the chain
*/
-static xbt_dynar_t get_route(const char* src,const char* dst) {
+static xbt_dynar_t elements_father(const char* src,const char* dst) {
+
+ xbt_assert0(src&&dst,"bad parameters for \"elements_father\" method");
+
+ xbt_dynar_t result = xbt_dynar_new(sizeof(char*), NULL); // &xbt_free_ref
routing_component_t src_as, dst_as;
int index_src, index_dst, index_father_src, index_father_dst;
- int *src_id, *dst_id;
xbt_dynar_t path_src = NULL;
xbt_dynar_t path_dst = NULL;
- char *current_router_src, *current_router_dst;
routing_component_t current = NULL;
- routing_component_t* current_src_father;
- routing_component_t* current_dst_father;
routing_component_t* current_src = NULL;
routing_component_t* current_dst = NULL;
- routing_component_t* father;
- route_extended_t tmp_route;
- void* link;
- route_extended_t route_center_links;
- xbt_dynar_t path_src_links, path_dst_links, path_first, path_last;
- int cpt;
+ routing_component_t* father = NULL;
- xbt_dynar_reset(global_routing->last_route);
-
- /* (1) find the as-routetree where the src and dst are located */
+ /* (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_assert0(src_as != NULL && dst_as != NULL, "Ask for route \"from\" or \"to\" no found");
+ 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 componen */
+ /* (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 ) {
index_dst++;
current_src = xbt_dynar_get_ptr(path_src,index_src);
current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
+
+ /* (4) they are not in the same routing component, make the path */
+ index_father_src = index_src+1;
+ index_father_dst = index_dst+1;
+
+ if(*current_src==*current_dst)
+ father = current_src;
+ else
+ father = xbt_dynar_get_ptr(path_src,index_father_src);
- /* (4) if they are in the same routing component? */
- if( *current_src == *current_dst ) {
+ /* (5) result generation */
+ xbt_dynar_push(result,father); // first same the father of src and dst
+ xbt_dynar_push(result,current_src); // second the first different father of src
+ xbt_dynar_push(result,current_dst); // three the first different father of dst
- /* (5.1) belong to the same routing component */
- tmp_route = (*(*current_src)->get_route)(*current_src,src,dst);
- cpt = 0;
- xbt_dynar_foreach(tmp_route->generic_route.link_list, cpt, link) {
- xbt_dynar_push(global_routing->last_route,&link);
- }
-
- } else {
+ xbt_dynar_free(&path_src);
+ xbt_dynar_free(&path_dst);
- /* (5.2) they are not in the same routetree, make the path */
- index_father_src = index_src+1;
- index_father_dst = index_dst+1;
- father = xbt_dynar_get_ptr(path_src,index_father_src);
- route_center_links = (*((*father)->get_route))(*father,(*current_src)->name,(*current_dst)->name);
-
- /* (5.2.1) make the source path */
- path_src_links = xbt_dynar_new(global_routing->size_of_link, NULL);
- current_router_dst = route_center_links->src_gateway; /* first router in the reverse path */
- current_src_father = xbt_dynar_get_ptr(path_src,index_src);
- index_src--;
- for(index_src;index_src>=0;index_src--) {
- current_src = xbt_dynar_get_ptr(path_src,index_src);
- tmp_route = (*((*current_src_father)->get_route))(*current_src_father,(*current_src)->name,current_router_dst);
- cpt = 0;
- xbt_dynar_foreach(tmp_route->generic_route.link_list, cpt, link) {
- //xbt_assert2(link!=NULL,"NULL link in the route from src %d to dst %d (5.2.1)", src, dst);
- xbt_dynar_push(path_src_links,&link);
- }
- current_router_dst = tmp_route->src_gateway;
- current_src_father = current_src;
- }
+ return result;
+}
+
+/* Global Business methods */
+
+/**
+ * \brief Recursive function for get_route
+ *
+ * \param src the source host name
+ * \param dst the destination host name
+ *
+ * This fuction is call by "get_route". It allow to walk through the
+ * routing components tree.
+ */
+static route_extended_t _get_route(const char* src,const char* dst) {
+
+ void* link;
+ unsigned int cpt=0;
+
+ DEBUG2("Solve route \"%s\" to \"%s\"",src,dst);
+
+ xbt_assert0(src&&dst,"bad parameters for \"_get_route\" method");
+
+ route_extended_t e_route, e_route_cnt, e_route_src, e_route_dst;
+
+ xbt_dynar_t elem_father_list = elements_father(src,dst);
+
+ routing_component_t common_father = xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
+ routing_component_t src_father = xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
+ routing_component_t dst_father = xbt_dynar_get_as(elem_father_list, 2, routing_component_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);
+
+ if(src_father==dst_father) { /* SURF_ROUTING_BASE */
- /* (5.2.2) make the destination path */
- path_dst_links = xbt_dynar_new(global_routing->size_of_link, NULL);
- current_router_src = route_center_links->dst_gateway; /* last router in the reverse path */
- current_dst_father = xbt_dynar_get_ptr(path_dst,index_dst);
- index_dst--;
- for(index_dst;index_dst>=0;index_dst--) {
- current_dst = xbt_dynar_get_ptr(path_dst,index_dst);
- tmp_route = (*((*current_dst_father)->get_route))(*current_dst_father,current_router_src,(*current_dst)->name);
- cpt = 0;
- xbt_dynar_foreach(tmp_route->generic_route.link_list, cpt, link) {
- //xbt_assert2(link!=NULL,"NULL link in the route from src %d to dst %d (5.2.1)", src, dst);
- xbt_dynar_push(path_dst_links,&link);
+ if( strcmp(src,dst) ){
+ e_route_cnt = (*(common_father->get_route))(common_father,src,dst);
+ xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
+ xbt_dynar_push(e_route->generic_route.link_list,&link);
}
- current_router_src = tmp_route->dst_gateway;
- current_dst_father = current_dst;
+ xbt_dynar_free( &(e_route_cnt->generic_route.link_list) );
+ xbt_free(e_route_cnt);
}
- /* (5.2.3) the first part of the route */
- path_first = ((*((*current_src)->get_route))(*current_src,src,current_router_dst))->generic_route.link_list;
+ } else { /* SURF_ROUTING_RECURSIVE */
- /* (5.2.4) the last part of the route */
- path_last = ((*((*current_dst)->get_route))(*current_dst,dst,current_router_src))->generic_route.link_list;
-
- /* (5.2.5) make all paths together */
- // FIXME: the paths non respect the right order
-
- cpt = 0;
- xbt_dynar_foreach(path_first, cpt, link) {
- xbt_dynar_push(global_routing->last_route,&link);
- }
- cpt = 0;
- xbt_dynar_foreach(path_src_links, cpt, link) {
- xbt_dynar_push(global_routing->last_route,&link);
- }
- cpt = 0;
- xbt_dynar_foreach(route_center_links->generic_route.link_list, cpt, link) {
- xbt_dynar_push(global_routing->last_route,&link);
- }
- cpt = 0;
- xbt_dynar_foreach(path_dst_links, cpt, link) {
- xbt_dynar_push(global_routing->last_route,&link);
- }
- cpt = 0;
- xbt_dynar_foreach(path_last, cpt, link) {
- xbt_dynar_push(global_routing->last_route,&link);
- }
-
- xbt_dynar_free(&path_src_links);
- xbt_dynar_free(&path_dst_links);
+ 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);
+
+ 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_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);
+ }
+ }
+
+ 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(&path_src);
- xbt_dynar_free(&path_dst);
-
- return global_routing->last_route;
+ xbt_dynar_free(&elem_father_list);
+
+ return e_route;
+}
+
+/**
+ * \brief Generic method: find a route between hosts
+ *
+ * \param src the source host name
+ * \param dst the destination host name
+ *
+ * walk through the routing components tree and find a route between hosts
+ * by calling the differents "get_route" functions in each routing component
+ */
+static xbt_dynar_t get_route(const char* src,const char* dst) {
+
+ if(global_routing->last_route) xbt_dynar_free( &(global_routing->last_route) );
+
+ route_extended_t e_route;
+ xbt_dynar_t elem_father_list = elements_father(src,dst);
+ routing_component_t common_father = xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
+
+ if(strcmp(src,dst))
+ e_route = _get_route(src,dst);
+ else
+ e_route = (*(common_father->get_route))(common_father,src,dst);
+
+ global_routing->last_route = e_route->generic_route.link_list;
+
+ xbt_free(e_route);
+ xbt_dynar_free(&elem_father_list);
+
+ if( xbt_dynar_length(global_routing->last_route)==0 )
+ return NULL;
+ else
+ return global_routing->last_route;
}
/**
xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
_finalize(elem);
}
- xbt_dict_free(&(rc->routing_sons));
- xbt_free(rc->name);
+ xbt_dict_t tmp_sons = rc->routing_sons;
+ char* tmp_name = rc->name;
+ xbt_dict_free(&tmp_sons);
+ xbt_free(tmp_name);
(*(rc->finalize))(rc);
}
}
/* parse generic elements */
surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host);
surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
- surfxml_add_callback(STag_surfxml_gateway_cb_list, &parse_S_gateway);
- /* parse generic elements */
+ 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(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(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, &DEGUB_exit);
-
+ //surfxml_add_callback(ETag_surfxml_platform_cb_list, &DEBUG_exit);
}
+/* ************************************************************************** */
+/* ***************** 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 ********************************* */
-#define TO_ROUTE_FULL(i,j) ((routing_component_full_t)current_routing)->routing_table[(i)+(j)*xbt_dict_length(((routing_component_full_t)current_routing)->to_index)]
-#define TO_ROUTE_FULL_RC(i,j,rc) ((routing_component_full_t)rc)->routing_table[(i)+(j)*xbt_dict_length(((routing_component_full_t)rc)->to_index)]
+#define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
/* Routing model structure */
typedef struct {
s_routing_component_t generic_routing;
- xbt_dict_t to_index; /* char* -> index* */
+ xbt_dict_t parse_routes; /* store data during the parse process */
+ xbt_dict_t to_index; /* char* -> network_element_t */
route_extended_t *routing_table;
- xbt_dict_t parse_routes;
-} s_routing_componentl_full_t,*routing_component_full_t;
-
-/* Parse routing model functions */
-
-static char* src = NULL; /* temporary store the source name of a route */
-static char* dst = NULL; /* temporary store the destination name of a route */
-static char* gw_src = NULL; /* temporary store the gateway source name of a route */
-static char* gw_dst = NULL; /* temporary store the gateway destination name of a route */
-static xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
-
-static void full_parse_S_host(void) {
- int *val = xbt_malloc(sizeof(int));
- *val = xbt_dict_length(((routing_component_full_t)current_routing)->to_index);
- xbt_dict_set(((routing_component_full_t)current_routing)->to_index,A_surfxml_host_id,val,xbt_free);
-}
-
-static void full_parse_S_gateway(void) {
- int *val = xbt_malloc(sizeof(int));
- *val = xbt_dict_length(((routing_component_full_t)current_routing)->to_index);
- xbt_dict_set(((routing_component_full_t)current_routing)->to_index,A_surfxml_gateway_id,val,xbt_free);
-}
-
-static void full_parse_S_route_new_and_endpoints(void) {
- 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;
- dst = A_surfxml_route_dst;
- gw_src = A_surfxml_route_gw_src;
- gw_dst = A_surfxml_route_gw_dst;
- link_list = xbt_dynar_new(sizeof(char*), &xbt_free_ref);
-}
-
-static void parse_E_link_c_ctn_new_elem(void) {
- char *val;
- val = xbt_strdup(A_surfxml_link_c_ctn_id);
- xbt_dynar_push(link_list, &val);
-}
-
-static void full_parse_E_route_store_route(void) {
- char *route_name;
- route_name = bprintf("%s#%s#%s#%s",src,dst,gw_src,gw_dst);
- // FIXME: if not exists
- xbt_dict_set(((routing_component_full_t)current_routing)->parse_routes, route_name, link_list, NULL);
- free(route_name);
- src = NULL;
- dst = NULL;
- link_list = NULL;
-}
+} 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) {
+
+ routing_component_full_t routing = (routing_component_full_t)rc;
+ int table_size = xbt_dict_length(routing->to_index);
- routing_component_full_t src_as, dst_as;
+ 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;
-
- // FIXME: here we can use the current_routing var.
-
+
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);
+ xbt_assert2(src_id && dst_id, "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",src,dst);
- xbt_assert0(src_as != NULL && dst_as != NULL, "Ask for route \"from\" or \"to\" no found");
-
- xbt_assert0(src_as == dst_as, "The src and dst are in differents AS");
-
- xbt_assert0((routing_component_full_t)rc == dst_as, "The routing component of src and dst is not the same as the network elements belong");
-
- src_id = (int*)xbt_dict_get(src_as->to_index,src);
- dst_id = (int*)xbt_dict_get(dst_as->to_index,dst);
-
- xbt_assert0(src_id != NULL && dst_id != NULL, "Ask for route \"from\" or \"to\" no found in the local table");
-
- return TO_ROUTE_FULL_RC(*src_id,*dst_id,src_as);
+ void* link;
+ unsigned int cpt=0;
+ route_extended_t new_e_route;
+ route_extended_t 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;
+ new_e_route->dst_gateway = e_route->dst_gateway;
+ new_e_route->generic_route.link_list = xbt_dynar_new(global_routing->size_of_link,NULL);
+ 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;
}
static void full_finalize(routing_component_t rc) {
routing_component_full_t routing = (routing_component_full_t)rc;
+ int table_size = xbt_dict_length(routing->to_index);
int i,j;
if (routing) {
- int table_size = xbt_dict_length(routing->to_index);
/* 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_RC(i,j,rc);
- 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);
+ 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);
+ }
}
}
xbt_free(routing->routing_table);
/* Creation routing model functions */
static void* model_full_create() {
- routing_component_full_t new_component = xbt_new0(s_routing_componentl_full_t,1);
+ 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.get_route = full_get_route;
new_component->generic_routing.finalize = full_finalize;
new_component->to_index = xbt_dict_new();
}
static void model_full_load() {
- surfxml_add_callback(STag_surfxml_host_cb_list, &full_parse_S_host);
- surfxml_add_callback(STag_surfxml_gateway_cb_list, &full_parse_S_gateway);
- surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_E_link_c_ctn_new_elem);
- surfxml_add_callback(STag_surfxml_route_cb_list, &full_parse_S_route_new_and_endpoints);
- surfxml_add_callback(ETag_surfxml_route_cb_list, &full_parse_E_route_store_route);
+ /* use "surfxml_add_callback" to add a parse function call */
}
static void model_full_unload() {
- surfxml_del_callback(&STag_surfxml_host_cb_list, &full_parse_S_host);
- surfxml_del_callback(&STag_surfxml_gateway_cb_list, &full_parse_S_gateway);
- surfxml_del_callback(&ETag_surfxml_link_c_ctn_cb_list, &parse_E_link_c_ctn_new_elem);
- surfxml_del_callback(&STag_surfxml_route_cb_list, &full_parse_S_route_new_and_endpoints);
- surfxml_del_callback(&ETag_surfxml_route_cb_list, &full_parse_E_route_store_route);
+ /* use "surfxml_del_callback" to remove a parse function call */
}
static void model_full_end() {
-
- char *key, *end, *link_name, *src_name, *dst_name, *src_gw_name, *dst_gw_name;
+
+ char *key, *src_name, *dst_name;
const char* sep = "#";
- int *src_id, *dst_id, *src_gw_id, *dst_gw_id;
- int i, j, cpt;
- routing_component_t component;
- xbt_dynar_t links;
+ int *src_id, *dst_id;
+ unsigned int i, j;
+ route_t route;
+ route_extended_t e_route;
+ void* data;
+
xbt_dict_cursor_t cursor = NULL;
xbt_dynar_t keys = NULL;
- routing_component_full_t src_as;
- routing_component_full_t dst_as;
+ /* set utils vars */
routing_component_full_t routing = ((routing_component_full_t)current_routing);
-
- /* Add the AS found to local components */
- xbt_dict_foreach(current_routing->routing_sons, cursor, key, component) {
- int *val = xbt_malloc(sizeof(int));
- *val = xbt_dict_length(routing->to_index);
- // FIXME: if exists
- xbt_dict_set(routing->to_index,key,val,xbt_free);
- }
-
int table_size = xbt_dict_length(routing->to_index);
/* Create the routing table */
routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
- for (i=0;i<table_size;i++) {
- for (j=0;j<table_size;j++) {
- 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;
- TO_ROUTE_FULL(i,j) = new_e_route;
- }
- }
/* Put the routes in position */
- xbt_dict_foreach(routing->parse_routes, cursor, key, links) {
+ 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_gw_name = xbt_dynar_get_as(keys, 2, char*);
- dst_gw_name = xbt_dynar_get_as(keys, 3, char*);
-
+ 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);
- if( strlen(src_gw_name) != 0 ) {
- src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src_gw_name);
- if (src_as == NULL)
- THROW1(mismatch_error,0,"Network elements %s not found", src_gw_name);
- src_gw_id = xbt_dict_get_or_null(src_as->to_index, src_gw_name);
- if (src_gw_id == NULL)
- THROW1(mismatch_error,0,"Network elements %s not found in the local tablfe", src_gw_name);
- } else {
- src_gw_name = NULL; // FIXME: maybe here put the same src_name.
+ TO_ROUTE_FULL(*src_id,*dst_id) = generic_new_extended_route(current_routing,data);
+
+ 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 */
+ 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;
}
+ }
+
+ /* Shrink the dynar routes (save unused slots) */
+ for (i=0;i<table_size;i++)
+ for (j=0;j<table_size;j++)
+ if(TO_ROUTE_FULL(i,j))
+ xbt_dynar_shrink(TO_ROUTE_FULL(i,j)->generic_route.link_list,0);
+}
+
+/* ************************************************************************** */
+/* *************************** FLOYD ROUTING ******************************** */
+
+#define TO_FLOYD_COST(i,j) cost_table[(i)+(j)*table_size]
+#define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
+#define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
+
+/* Routing model structure */
+
+typedef struct {
+ s_routing_component_t generic_routing;
+ /* vars for calculate the floyd algorith. */
+ int *predecessor_table;
+ route_extended_t *link_table; /* char* -> int* */
+ xbt_dict_t to_index;
+ /* store data during the parse process */
+ xbt_dict_t parse_routes;
+} s_routing_component_floyd_t,*routing_component_floyd_t;
+
+/* 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);
+
+ /* set utils vars */
+ routing_component_floyd_t routing = (routing_component_floyd_t) rc;
+ int table_size = xbt_dict_length(routing->to_index);
+
+ 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;
+ char *gw_src,*gw_dst, *prev_gw_src,*prev_gw_dst, *first_gw;
+ 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);
+ if(pred == -1) // if no pred in route -> no route to host
+ break;
+ xbt_assert2(TO_FLOYD_LINK(pred,prev_pred),"Invalid link for the route between \"%s\" or \"%s\"", src, dst);
+
+ prev_gw_src = gw_src;
+ prev_gw_dst = gw_dst;
- if( strlen(dst_gw_name) != 0 ) {
- dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst_gw_name);
- if (dst_as == NULL)
- THROW1(mismatch_error,0,"Network elements %s not found", dst_gw_name);
- dst_gw_id = xbt_dict_get_or_null(dst_as->to_index, dst_gw_name);
- if (dst_gw_id == NULL)
- THROW1(mismatch_error,0,"Network elements %s not found in the local table", dst_gw_name);
- } else {
- dst_gw_name = NULL; // FIXME: maybe here put the same dst_name.
+ route_extended_t e_route = TO_FLOYD_LINK(pred,prev_pred);
+ gw_src = e_route->src_gateway;
+ gw_dst = e_route->dst_gateway;
+
+ if(first) first_gw = gw_src;
+
+ 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;
+ xbt_dynar_foreach(links, cpt, link) {
+ xbt_dynar_push(new_e_route->generic_route.link_list,&link);
+ }
}
- TO_ROUTE_FULL(*src_id,*dst_id)->src_gateway = xbt_strdup(src_gw_name);
- TO_ROUTE_FULL(*src_id,*dst_id)->dst_gateway = xbt_strdup(dst_gw_name);
+ links = e_route->generic_route.link_list;
+ xbt_dynar_foreach(links, cpt, link) {
+ xbt_dynar_push(new_e_route->generic_route.link_list,&link);
+ }
+ first=0;
- xbt_dynar_foreach(links, cpt, link_name) {
- void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
- if (link)
- xbt_dynar_push(TO_ROUTE_FULL(*src_id,*dst_id)->generic_route.link_list,&link);
- else
- THROW1(mismatch_error,0,"Link %s not found", link_name);
+ } while(pred != *src_id);
+ 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;
+ }
+
+ return new_e_route;
+}
+
+static void floyd_finalize(routing_component_t rc) {
+ routing_component_floyd_t routing = (routing_component_floyd_t)rc;
+ int i,j,table_size;
+ 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);
+ }
+ }
+ }
+ xbt_free(routing->link_table);
+ /* Delete index dict */
+ xbt_dict_free(&(routing->to_index));
+ /* Delete dictionary index dict, predecessor and links table */
+ xbt_free(routing->predecessor_table);
+ /* Delete structure */
+ xbt_free(rc);
+ }
+}
+
+static void* model_floyd_create(void) {
+ routing_component_floyd_t new_component = xbt_new0(s_routing_component_floyd_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.get_route = floyd_get_route;
+ new_component->generic_routing.finalize = floyd_finalize;
+ new_component->to_index = xbt_dict_new();
+ new_component->parse_routes = xbt_dict_new();
+ return new_component;
+}
+
+static void model_floyd_load() {
+ /* use "surfxml_add_callback" to add a parse function call */
+}
+
+static void model_floyd_unload() {
+ /* use "surfxml_del_callback" to remove a parse function call */
+}
+
+static void model_floyd_end() {
+
+ 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;
+ const char *sep = "#";
+ xbt_dynar_t keys;
+ int *src_id, *dst_id;
+ unsigned int i,j,a,b,c;
+
+ /* set the size of inicial table */
+ int table_size = xbt_dict_length(routing->to_index);
+
+ /* Create Cost, Predecessor and Link tables */
+ cost_table = xbt_new0(double, table_size*table_size); //link cost from host to host
+ routing->predecessor_table = xbt_new0(int, table_size*table_size); //predecessor host numbers
+ routing->link_table = xbt_new0(route_extended_t, table_size*table_size); //actual link between src and dst
+
+ /* Initialize costs and predecessors*/
+ for(i = 0; i<table_size;i++)
+ 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
}
- // xbt_dynar_free(&links);
+ /* 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;
+
+ //link cost
+ TO_FLOYD_COST(*src_id,*dst_id) = 1; // assume 1 for now
+
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;
+ }
+ }
+
+ //Calculate path costs
+ for(c=0;c<table_size;c++) {
+ for(a=0;a<table_size;a++) {
+ for(b=0;b<table_size;b++) {
+ if(TO_FLOYD_COST(a,c) < DBL_MAX && TO_FLOYD_COST(c,b) < DBL_MAX) {
+ if(TO_FLOYD_COST(a,b) == DBL_MAX ||
+ (TO_FLOYD_COST(a,c)+TO_FLOYD_COST(c,b) < TO_FLOYD_COST(a,b))) {
+ TO_FLOYD_COST(a,b) = TO_FLOYD_COST(a,c)+TO_FLOYD_COST(c,b);
+ TO_FLOYD_PRED(a,b) = TO_FLOYD_PRED(c,b);
+ }
+ }
+ }
+ }
+ }
+
/* delete the parse table */
- xbt_dict_foreach(routing->parse_routes, cursor, key, links) {
- xbt_dynar_free(&links);
+ xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
+ route_t 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 */
- for (i = 0; i < table_size; i++)
- if (!xbt_dynar_length(TO_ROUTE_FULL(i, i)->generic_route.link_list))
- xbt_dynar_push(TO_ROUTE_FULL(i,i)->generic_route.link_list,&global_routing->loopback);
+ //cleanup
+ free(cost_table);
+}
- /* Shrink the dynar routes (save unused slots) */
- for (i=0;i<table_size;i++)
- for (j=0;j<table_size;j++)
- xbt_dynar_shrink(TO_ROUTE_FULL(i,j)->generic_route.link_list,0);
+/* ************************************************************************** */
+/* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
+
+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;
+ int cached;
+} s_routing_component_dijkstra_t,*routing_component_dijkstra_t;
+
+/* Parse routing model functions */
+
+/* Business methods */
+
+/* Creation routing model functions */
+
+static void* model_dijkstra_create() {
+ return NULL;
+}
+
+static void model_dijkstra_load() {
+}
+
+static void model_dijkstra_unload() {
+}
+
+static void model_dijkstra_end() {
+}
+
+static void* model_dijkstracache_create() {
+ return NULL;
+}
+
+static void model_dijkstracache_load() {
+}
+
+static void model_dijkstracache_unload() {
+}
+
+static void model_dijkstracache_end() {
+}
+
+
+/* ************************************************************************** */
+/* ******************************* NO ROUTING ******************************* */
+
+/* Routing model structure */
+typedef struct {
+ s_routing_component_t generic_routing;
+} s_routing_component_none_t,*routing_component_none_t;
+
+/* Business methods */
+static route_extended_t none_get_route(routing_component_t rc, const char* src,const char* dst){
+ return NULL;
+}
+static void none_finalize(routing_component_t rc) {
+ xbt_free(rc);
+}
+
+/* Creation routing model functions */
+static void* model_none_create() {
+ 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_route = NULL;
+ new_component->generic_routing.set_ASroute = NULL;
+ new_component->generic_routing.get_route = none_get_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() {}
+
+/* ************************************************** */
+/* ********** PATERN FOR NEW ROUTING **************** */
+
+/* The minimal configuration of a new routing model need the next functions,
+ * 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 */
+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*/
+
+/* 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 */
+
+/* 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 */
+
+/* ************************************************************************** */
+/* ************************* 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);
+}
+
+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);
+ 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");
+ 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),
+ "The route between \"%s\" and \"%s\" already exist",src,dst);
+ xbt_dict_set(parseroutes, route_name, route, NULL);
+ 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);
+ 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");
+ 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),
+ "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);
+}
+
+/* ************************************************************************** */
+/* ************************* GENERIC AUX FUNCTIONS ************************** */
+
+static route_extended_t generic_new_extended_route(routing_component_t rc, void* data) {
+
+ char *link_name;
+ route_extended_t e_route, new_e_route;
+ route_t route;
+ unsigned int cpt;
+ xbt_dynar_t links, links_id;
+
+ 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;
+
+ xbt_assert0(rc->hierarchy == SURF_ROUTING_BASE || rc->hierarchy == SURF_ROUTING_RECURSIVE,
+ "the hierarchy type is not defined");
+
+ if(rc->hierarchy == SURF_ROUTING_BASE ) {
+
+ route = (route_t)data;
+ links = route->link_list;
+
+ } else if(rc->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 */
+ new_e_route->src_gateway = e_route->src_gateway;
+ new_e_route->dst_gateway = e_route->dst_gateway;
+ }
+
+ links_id = new_e_route->generic_route.link_list;
+
+ xbt_dynar_foreach(links, cpt, link_name) {
+
+ void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
+ if (link)
+ xbt_dynar_push(links_id,&link);
+ else
+ THROW1(mismatch_error,0,"Link %s not found", link_name);
+ }
+
+ return new_e_route;
}
////////////////////////////////////////////////////////////////////////////////
xbt_dict_cursor_t cursor = NULL;
char *key;
int *val;
- xbt_dict_foreach(((routing_component_full_t)rc)->to_index, cursor, key, val) {
- printf("<%s-%d> ",key,*val);
+ if( rc->routing == &(routing_models[SURF_MODEL_FULL]) )
+ { xbt_dict_foreach(((routing_component_full_t)rc)->to_index, cursor, key, val) { printf("<%s-%d> ",key,*val); } }
+ else if( rc->routing == &(routing_models[SURF_MODEL_FLOYD]) )
+ { xbt_dict_foreach(((routing_component_floyd_t)rc)->to_index, cursor, key, val) { printf("<%s-%d> ",key,*val); }
}
+ else
+ xbt_assert0(0, "Invalid model for call \"print_tree\"");
printf("\n");
routing_component_t elem;
xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
printf("<--\n");
print_tree(elem);
- printf("-->\n");
+ printf("-->\n");
}
}
xbt_dict_cursor_t cursor = NULL;
char *key;
routing_component_t elem;
- xbt_dict_foreach(global_routing->where_network_elements, cursor, key, elem) {
- printf("<%s>\n",key);
- }
+ xbt_dict_foreach(global_routing->where_network_elements, cursor, key, elem) { printf("<%s>\n",key); }
}
//...... DEBUG ONLY .... //
static void print_AS_start(void) { printf("AS!!! %s y se rutea \"%s\"\n",A_surfxml_AS_id,A_surfxml_AS_routing); }
-static void print_AS_end(void) { printf("AS!!! %s\n",A_surfxml_AS_id); }
-static void print_host(void) { printf("host!!! %s\n",A_surfxml_host_id); }
-static void print_link(void) { printf("link!!! %s\n",A_surfxml_link_id); }
-static void print_route(void) { printf("route!!! %s a %s\n",A_surfxml_route_src,A_surfxml_route_dst); }
-static void print_ctn(void) { printf("ctn!!! %s\n",A_surfxml_link_c_ctn_id); }
+static void print_AS_end(void) { printf("AS!!! %s\n",A_surfxml_AS_id); }
+static void print_host(void) { printf("host!!! %s\n",A_surfxml_host_id); }
+static void print_link(void) { printf("link!!! %s\n",A_surfxml_link_id); }
+static void print_route(void) { printf("route!!! %s a %s\n",A_surfxml_route_src,A_surfxml_route_dst); }
+static void print_ctn(void) { printf("ctn!!! %s\n",A_surfxml_link_c_ctn_id); }
//...... DEBUG ONLY .... //
-static void DEGUB_exit(void) {
+static void DEBUG_exit(void) {
printf("-------- print tree elements -----\n");
print_tree(global_routing->root);
print_global();
printf("----------------------------------\n\n");
+// 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"};
+// int i,j,total = 3;
+
+// char* names[] = { "141.A","141.B","143.A","143.B"};
+// int i,j,total = 4;
+
+// char* names[] = { "142.A","142.B","142.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[] = { "11.A","11.B","11.C",
+ "121.A","121.B",
+ "122.A",
+ "13.A","13.B",
+ "141.A","141.B",
+ "142.A","142.B","142.C",
+ "143.A","143.B",
+ "15.A","15.B","15.C"};
+ unsigned int i,j,total = 3+2+1+2+2+3+2+3;
+
printf("-- print all the example routes --\n");
- char* names[] = { "11.A","11.B","11.C","121.A","121.B","122.A","13.A","13.B"};
- int i,j,total = 8;
xbt_dynar_t links;
void* link;
for(i=0;i<total;i++) {
for(j=0;j<total;j++) {
- links = (*(global_routing->get_route))(names[i],names[j]);
printf("route from %s to %s >>> ",names[i],names[j]);
- int cpt=0;
+ links = (*(global_routing->get_route))(names[i],names[j]);
+ unsigned int cpt=0;
xbt_dynar_foreach(links, cpt, link) {
s_surf_resource_t* generic_resource = link;
printf(" %s",generic_resource->name);
printf("\n");
}
}
+
printf("----------------------------------\n\n");
printf("---------- call finalize ---------\n");
