1 files changed, 96 insertions, 0 deletions
diff --git a/Source/charon/network/socket.h b/Source/charon/network/socket.h
new file mode 100644
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+++ b/Source/charon/network/socket.h
@@ -0,0 +1,96 @@
+/**
+ * @file socket.h
+ * 
+ * @brief management of sockets
+ * 
+ * receiver reads from here, sender writes to here
+ * 
+ */
+
+/*
+ * Copyright (C) 2005 Jan Hutter, Martin Willi
+ * 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 SOCKET_H_
+#define SOCKET_H_
+
+
+#include <types.h>
+#include <network/packet.h>
+
+
+/**
+ * maximum size of a packet
+ * 3000 Bytes should be sufficient, see IKEv2 draft
+ */
+#define MAX_PACKET 3000
+
+
+/**
+ * @brief abstraction of one (ipv4), or in future, of multiple sockets
+ * 
+ */
+typedef struct socket_s socket_t;
+struct socket_s {
+	/**
+	 * @brief receive a packet
+	 * 
+	 * reads a packet from one of the sockets.
+	 * source will be set, dest not implemented
+	 * 
+	 * 
+	 * @param sock			socket_t object to work on
+	 * @param packet		pinter gets address from allocated packet_t
+	 * @return 				FAILED when unable to receive
+	 * 						SUCCESS when packet successfully received
+	 */
+	status_t (*receive) (socket_t *sock, packet_t **packet);
+	
+	/**
+	 * @brief send a packet
+	 * 
+	 * sends a packet via desired socket.
+	 * uses source and dest in packet.
+	 * 
+	 * @param sock			socket_t object to work on
+	 * @param packet[out]	packet_t to send
+	 * @return 				FAILED when unable to send
+	 * 						SUCCESS when packet successfully sent
+	 */
+	status_t (*send) (socket_t *sock, packet_t *packet);
+	
+	/**
+	 * @brief destroy sockets
+	 * 
+	 * close sockets and destroy socket_t object
+	 * 
+	 * @param sock 			socket_t to destroy
+	 * @return 				SUCCESS
+	 */
+	status_t (*destroy) (socket_t *sock);
+};
+
+/**
+ * @brief socket_t constructor
+ * 
+ * currently creates one socket, listening on all addresses
+ * on port.
+ *  
+ * @param port				port to bind socket to
+ * @return  				the created socket, or NULL on error
+ */
+socket_t *socket_create(u_int16_t port);
+
+
+#endif /*SOCKET_H_*/