initial checkin of c-implementaion of door_damon

[svn42.git] / door_daemon / datatypes.h

diff --git a/door_daemon/datatypes.h b/door_daemon/datatypes.h
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+/*
+ *  uAnytun
+ *
+ *  uAnytun is a tiny implementation of SATP. Unlike Anytun which is a full
+ *  featured implementation uAnytun has no support for multiple connections
+ *  or synchronisation. It is a small single threaded implementation intended
+ *  to act as a client on small platforms.
+ *  The secure anycast tunneling protocol (satp) defines a protocol used
+ *  for communication between any combination of unicast and anycast
+ *  tunnel endpoints.  It has less protocol overhead than IPSec in Tunnel
+ *  mode and allows tunneling of every ETHER TYPE protocol (e.g.
+ *  ethernet, ip, arp ...). satp directly includes cryptography and
+ *  message authentication based on the methodes used by SRTP.  It is
+ *  intended to deliver a generic, scaleable and secure solution for
+ *  tunneling and relaying of packets of any protocol.
+ *  
+ *
+ *  Copyright (C) 2007-2008 Christian Pointner <equinox@anytun.org>
+ *
+ *  This file is part of uAnytun.
+ *
+ *  uAnytun is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 3 as
+ *  published by the Free Software Foundation.
+ *
+ *  uAnytun 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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with uAnytun. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _DATATYPES_H_
+#define _DATATYPES_H_
+
+#include <stdint.h>
+#include <arpa/inet.h>
+
+typedef uint8_t u_int8_t;
+typedef uint16_t u_int16_t;
+typedef uint32_t u_int32_t;
+typedef uint64_t u_int64_t;
+/* typedef int8_t int8_t; */
+/* typedef int16_t int16_t; */
+/* typedef int32_t int32_t; */
+/* typedef int64_t int64_t; */
+
+typedef u_int32_t window_size_t;
+
+typedef u_int32_t seq_nr_t;
+#define SEQ_NR_T_NTOH(a) ntohl(a)
+#define SEQ_NR_T_HTON(a) htonl(a)
+#define SEQ_NR_MAX UINT32_MAX
+
+typedef u_int16_t sender_id_t;
+#define SENDER_ID_T_NTOH(a) ntohs(a)
+#define SENDER_ID_T_HTON(a) htons(a)
+
+typedef u_int16_t payload_type_t;
+#define PAYLOAD_TYPE_T_NTOH(a) ntohs(a)
+#define PAYLOAD_TYPE_T_HTON(a) htons(a)
+
+typedef u_int16_t mux_t;
+#define MUX_T_NTOH(a) ntohs(a)
+#define MUX_T_HTON(a) htons(a)
+
+typedef u_int32_t satp_prf_label_t;
+#define SATP_PRF_LABEL_T_NTOH(a) ntohl(a)
+#define SATP_PRF_LABEL_T_HTON(a) htonl(a)
+
+struct buffer_struct {
+  u_int32_t length_;
+  u_int8_t* buf_;
+};
+typedef struct buffer_struct buffer_t;
+
+#endif