first merge of NATT code

src/charon/network/interfaces.h

@@ -0,0 +1,80 @@
+/**
+ * @file interfaces.h
+ *
+ * @brief Interface of interfaces_t.
+ *
+ */
+
+/*
+ * Copyright (C) 2006 Tobias Brunner, Daniel Roethlisberger
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+ 
+#ifndef INTERFACES_H_
+#define INTERFACES_H_
+
+#include <utils/linked_list.h>
+#include <utils/host.h>
+
+typedef struct interfaces_t interfaces_t;
+
+/**
+ * @brief Provides methods to enumerate local interfaces
+ *
+ * @b Constructors:
+ * - interfaces_create()
+ * 
+ * @todo Handle changes in interface list.
+ *
+ * @ingroup network
+ */
+struct interfaces_t {
+
+	/**
+	 * @brief Get addresses of local interfaces
+	 *
+	 * @param this		calling object
+	 * @return			linked_list_t of host_t objects
+	 */
+	linked_list_t* (*get_addresses) (interfaces_t *ifaces);
+	
+	/**
+	 * @brief Check if address is associated with a local interface
+	 *
+	 * @param this		calling object
+	 * @param host		address to set as destination
+	 * @return			TRUE if address is associated with a local interface, FALSE otherwise
+	 */
+	bool (*is_local_address) (interfaces_t *ifaces, host_t *host);
+	
+	/**
+	 * @brief Destroy the object, freeing contained data.
+	 *
+	 * @param this		object to destroy
+	 */
+	void (*destroy) (interfaces_t *ifaces);
+};
+
+/**
+ * @brief Create an object of type interfaces_t
+ *
+ * @param port		the port that gets added to the addresses
+ * 
+ * @return interfaces_t object
+ *
+ * @ingroup network
+ */
+interfaces_t *interfaces_create(u_int16_t port);
+
+
+#endif /*INTERFACES_H_*/