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/*
* Copyright 2013 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef P2P_BASE_ASYNC_STUN_TCP_SOCKET_H_
#define P2P_BASE_ASYNC_STUN_TCP_SOCKET_H_
#include <stddef.h>
#include "rtc_base/async_packet_socket.h"
#include "rtc_base/async_tcp_socket.h"
#include "rtc_base/socket.h"
#include "rtc_base/socket_address.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::Socket* socket,
const rtc::SocketAddress& bind_address,
const rtc::SocketAddress& remote_address);
explicit AsyncStunTCPSocket(rtc::Socket* socket);
AsyncStunTCPSocket(const AsyncStunTCPSocket&) = delete;
AsyncStunTCPSocket& operator=(const AsyncStunTCPSocket&) = delete;
int Send(const void* pv,
size_t cb,
const rtc::PacketOptions& options) override;
size_t ProcessInput(rtc::ArrayView<const uint8_t> data) override;
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);
};
} // namespace cricket
#endif // P2P_BASE_ASYNC_STUN_TCP_SOCKET_H_
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