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/*
* libjingle
* Copyright 2013, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TALK_BASE_ASYNCSTUNTCPSOCKET_H_
#define TALK_BASE_ASYNCSTUNTCPSOCKET_H_
#include "webrtc/base/asynctcpsocket.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/base/socketfactory.h"
namespace cricket {
class AsyncStunTCPSocket : public rtc::AsyncTCPSocketBase {
public:
// Binds and connects |socket| and creates AsyncTCPSocket for
// it. Takes ownership of |socket|. Returns NULL if bind() or
// connect() fail (|socket| is destroyed in that case).
static AsyncStunTCPSocket* Create(
rtc::AsyncSocket* socket,
const rtc::SocketAddress& bind_address,
const rtc::SocketAddress& remote_address);
AsyncStunTCPSocket(rtc::AsyncSocket* socket, bool listen);
virtual ~AsyncStunTCPSocket() {}
virtual int Send(const void* pv, size_t cb,
const rtc::PacketOptions& options);
virtual void ProcessInput(char* data, size_t* len);
virtual void HandleIncomingConnection(rtc::AsyncSocket* socket);
private:
// This method returns the message hdr + length written in the header.
// This method also returns the number of padding bytes needed/added to the
// turn message. |pad_bytes| should be used only when |is_turn| is true.
size_t GetExpectedLength(const void* data, size_t len,
int* pad_bytes);
DISALLOW_EVIL_CONSTRUCTORS(AsyncStunTCPSocket);
};
} // namespace cricket
#endif // TALK_BASE_ASYNCSTUNTCPSOCKET_H_
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