tdlight/td/mtproto/IStreamTransport.h
levlam 5cbda834bd Update copyright year.
GitOrigin-RevId: 1369d3af1195221f6ddb9462d5f8b74fb5fef20f
2018-01-02 16:45:09 +03:00

35 lines
1.2 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/utils/buffer.h"
#include "td/utils/port/Fd.h"
#include "td/utils/Status.h"
namespace td {
namespace mtproto {
enum class TransportType { Tcp, ObfuscatedTcp, Http };
class IStreamTransport {
public:
IStreamTransport() = default;
IStreamTransport(const IStreamTransport &) = delete;
IStreamTransport &operator=(const IStreamTransport &) = delete;
virtual ~IStreamTransport() = default;
virtual Result<size_t> read_next(BufferSlice *message, uint32 *quick_ack) = 0;
virtual bool support_quick_ack() const = 0;
virtual void write(BufferWriter &&message, bool quick_ack) = 0;
virtual bool can_read() const = 0;
virtual bool can_write() const = 0;
virtual void init(ChainBufferReader *input, ChainBufferWriter *output) = 0;
virtual size_t max_prepend_size() const = 0;
virtual TransportType get_type() const = 0;
};
std::unique_ptr<IStreamTransport> create_transport(TransportType type);
} // namespace mtproto
} // namespace td