moved interface enumeration code to socket, where it belongs

query interfaces every time we need it to respect changes in network config
added address listing on startup and "ipsec statusall"

src/charon/network/socket.h

@@ -28,6 +28,8 @@
 
 #include <types.h>
 #include <network/packet.h>
+#include <utils/host.h>
+#include <utils/linked_list.h>
 
 
 /**
@@ -57,27 +59,23 @@ typedef struct socket_t socket_t;
  * 
  * @todo add IPv6 support
  * 
- * @todo We currently use multiple sockets for historic reasons. With the
- * new RAW socket mechanism, we could use just one socket and filter
- * addresses in userspace (or via linux socket filter). This would allow 
- * realtime interface/address management in a easy way...
- * 
  * @ingroup network
  */
 struct socket_t {
+	
 	/**
 	 * @brief Receive a packet.
 	 * 
 	 * Reads a packet from the socket and sets source/dest
 	 * appropriately.
 	 * 
-	 * @param sock			socket_t object to work on
+	 * @param this			socket_t object to work on
 	 * @param packet		pinter gets address from allocated packet_t
 	 * @return 				
 	 * 						- SUCCESS when packet successfully received
 	 * 						- FAILED when unable to receive
 	 */
-	status_t (*receive) (socket_t *sock, packet_t **packet);
+	status_t (*receive) (socket_t *this, packet_t **packet);
 	
 	/**
 	 * @brief Send a packet.
@@ -86,22 +84,39 @@ struct socket_t {
 	 * Packet is sent using default routing mechanisms, thus the 
 	 * source address in packet is ignored.
 	 * 
-	 * @param sock			socket_t object to work on
+	 * @param this			socket_t object to work on
 	 * @param packet[out]	packet_t to send
 	 * @return 				
 	 * 						- SUCCESS when packet successfully sent
 	 * 						- FAILED when unable to send
 	 */
-	status_t (*send) (socket_t *sock, packet_t *packet);
+	status_t (*send) (socket_t *this, packet_t *packet);
+	
+	/**
+	 * @brief Check if an address is an address of this host.
+	 *
+	 * @param this			socket_t object to work on
+	 * @param host			address to check
+	 * @return 				TRUE if local address, FALSE otherwise
+	 */
+	bool (*is_local_address) (socket_t *this, host_t *host);
+	
+	/**
+	 * @brief Create a list of hosts with all local addresses.
+	 *
+	 * @param this			socket_t object to work on
+	 * @return 				list with host_t objects
+	 */
+	linked_list_t *(*create_local_address_list) (socket_t *this);
 	
 	/**
 	 * @brief Destroy sockets.
 	 * 
 	 * close sockets and destroy socket_t object
 	 * 
-	 * @param sock 			socket_t to destroy
+	 * @param this 			socket_t to destroy
 	 */
-	void (*destroy) (socket_t *sock);
+	void (*destroy) (socket_t *this);
 };
 
 /**