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/*
*
* Copyright (c) 2020-2021 Project CHIP Authors
* Copyright (c) 2013-2017 Nest Labs, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* This file declares an implementation of Inet::TCPEndPoint using sockets.
*/
#pragma once
#include <inet/EndPointStateSockets.h>
#include <inet/TCPEndPoint.h>
namespace chip {
namespace Inet {
class TCPEndPointImplSockets : public TCPEndPoint, public EndPointStateSockets
{
public:
TCPEndPointImplSockets(EndPointManager<TCPEndPoint> & endPointManager) :
TCPEndPoint(endPointManager)
#if INET_CONFIG_OVERRIDE_SYSTEM_TCP_USER_TIMEOUT
,
mBytesWrittenSinceLastProbe(0), mLastTCPKernelSendQueueLen(0)
#endif // INET_CONFIG_OVERRIDE_SYSTEM_TCP_USER_TIMEOUT
{}
// TCPEndPoint overrides.
CHIP_ERROR GetPeerInfo(IPAddress * retAddr, uint16_t * retPort) const override;
CHIP_ERROR GetLocalInfo(IPAddress * retAddr, uint16_t * retPort) const override;
CHIP_ERROR GetInterfaceId(InterfaceId * retInterface) override;
CHIP_ERROR EnableNoDelay() override;
CHIP_ERROR EnableKeepAlive(uint16_t interval, uint16_t timeoutCount) override;
CHIP_ERROR DisableKeepAlive() override;
CHIP_ERROR AckReceive(size_t len) override;
#if INET_CONFIG_OVERRIDE_SYSTEM_TCP_USER_TIMEOUT
void TCPUserTimeoutHandler() override;
#endif // INET_CONFIG_OVERRIDE_SYSTEM_TCP_USER_TIMEOUT
private:
// TCPEndPoint overrides.
CHIP_ERROR BindImpl(IPAddressType addrType, const IPAddress & addr, uint16_t port, bool reuseAddr) override;
CHIP_ERROR ListenImpl(uint16_t backlog) override;
CHIP_ERROR ConnectImpl(const IPAddress & addr, uint16_t port, InterfaceId intfId) override;
CHIP_ERROR SendQueuedImpl(bool queueWasEmpty) override;
CHIP_ERROR SetUserTimeoutImpl(uint32_t userTimeoutMillis) override;
CHIP_ERROR DriveSendingImpl() override;
void HandleConnectCompleteImpl() override;
void DoCloseImpl(CHIP_ERROR err, State oldState) override;
CHIP_ERROR GetSocketInfo(int getname(int, sockaddr *, socklen_t *), IPAddress * retAddr, uint16_t * retPort) const;
CHIP_ERROR GetSocket(IPAddressType addrType);
void HandlePendingIO(System::SocketEvents events);
void ReceiveData();
void HandleIncomingConnection();
CHIP_ERROR BindSrcAddrFromIntf(IPAddressType addrType, InterfaceId intfId);
static void HandlePendingIO(System::SocketEvents events, intptr_t data);
#if INET_CONFIG_OVERRIDE_SYSTEM_TCP_USER_TIMEOUT
/// This counts the number of bytes written on the TCP socket since thelast probe into the TCP outqueue was made.
size_t mBytesWrittenSinceLastProbe;
/// This is the measured size(in bytes) of the kernel TCP send queue at the end of the last user timeout window.
uint32_t mLastTCPKernelSendQueueLen;
CHIP_ERROR CheckConnectionProgress(bool & IsProgressing);
#endif // INET_CONFIG_OVERRIDE_SYSTEM_TCP_USER_TIMEOUT
};
using TCPEndPointImpl = TCPEndPointImplSockets;
} // namespace Inet
} // namespace chip