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diff --git a/src/tunDevice.h b/src/tunDevice.h
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+++ b/src/tunDevice.h
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+/*
+ *  anytun
+ *
+ *  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 anytun.org <satp@wirdorange.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _TUNDEVICE_H_
+#define _TUNDEVICE_H_
+
+#include "buffer.h"
+#include "threadUtils.hpp"
+
+class TunDevice
+{
+public:
+  static const u_int32_t TYPE_UNDEF = 0;
+  static const u_int32_t TYPE_TUN = 1;
+  static const u_int32_t TYPE_TAP = 2;
+
+  TunDevice(const char* dev,const char* dev_type, const char* ifcfg_lp, const char* ifcfg_rnmp);
+  ~TunDevice();
+  
+  void open();
+  void close();
+  bool isOpen();
+
+  short read(u_int8_t* buf, u_int32_t len);
+  int write(u_int8_t* buf, u_int32_t len);
+
+  char* getActualName();
+  u_int32_t getType();
+  const char* getTypeString();
+
+private:
+  void operator=(const TunDevice &src);
+  TunDevice(const TunDevice &src);
+
+  Mutex io_mutex_;
+  struct tuntap *dev_;
+};
+
+#endif