public ReliableChannel(IChannelOption channelOption, ILogger logger, NetStatistic statistic, UdpChannel channel, bool ordered)
: base(channelOption, logger, statistic)
{
_udpChannel = channel;
_sendQueue = new Queue <NetPacket>(WindowSize);
_pendingPackets = new ReliableSendInfo[WindowSize];
for (int i = 0; i < _pendingPackets.Length; i++)
{
_pendingPackets[i] = new ReliableSendInfo();
}
_ordered = ordered;
if (_ordered)
{
_receivedPackets = new NetPacket[WindowSize];
_deliveryMethod = DeliveryMethod.ReliableOrdered;
}
else
{
_earlyReceived = new bool[WindowSize];
_deliveryMethod = DeliveryMethod.ReliableUnordered;
}
int bytesCount = (WindowSize - 1) / BitsInByte + 2;
_ackPacket = new NetPacket(PacketProperty.Ack, bytesCount);
_ackPacket.DeliveryMethod = _deliveryMethod;
}
public UdpChannel(IChannelOption channelOption, ILogger logger, NetStatistic statistic, ushort relaySessionId)
: base(channelOption, logger, statistic)
{
_relaySessionId = relaySessionId;
_sendBuffer = new byte[NetPacket.MaxUdpPacketSize];
_fragments = new PacketFragments();
_pingPacket = new NetPacket(PacketProperty.Ping, 0);
_pingPacket.DeliveryMethod = DeliveryMethod.Unreliable;
_pingPacket.Sequence = 1;
_pongPacket = new NetPacket(PacketProperty.Pong, 0);
_pongPacket.DeliveryMethod = DeliveryMethod.Unreliable;
_pingTimer = new Stopwatch();
_udpChannels = new ChannelBase[(int)DeliveryMethod.Max];
_udpChannels[(int)DeliveryMethod.Unreliable] = new UnreliableChannel(channelOption, logger, statistic, this);
_udpChannels[(int)DeliveryMethod.ReliableOrdered] = new ReliableChannel(channelOption, logger, statistic, this, true);
_udpChannels[(int)DeliveryMethod.ReliableUnordered] = new ReliableChannel(channelOption, logger, statistic, this, false);
_udpChannels[(int)DeliveryMethod.ReliableSequenced] = new SequencedChannel(channelOption, logger, statistic, this, true);
_udpChannels[(int)DeliveryMethod.Sequenced] = new SequencedChannel(channelOption, logger, statistic, this, false);
}
public SequencedChannel(IChannelOption channelOption, ILogger logger, NetStatistic statistic, UdpChannel udpChannel, bool reliable)
: base(channelOption, logger, statistic)
{
_sendQueue = new Queue <NetPacket>(64);
_udpChannel = udpChannel;
_reliable = reliable;
if (_reliable)
{
_deliveryMethod = DeliveryMethod.ReliableSequenced;
_ackPacket = new NetPacket(PacketProperty.Ack, 0);
_ackPacket.DeliveryMethod = _deliveryMethod;
}
else
{
_deliveryMethod = DeliveryMethod.Sequenced;
}
}
public TcpChannel(IChannelOption channelOption, ILogger logger, NetStatistic statistic)
: base(channelOption, logger, statistic)
{
_asyncEventArgsSend = new SocketAsyncEventArgs();
_asyncEventArgsSend.Completed += OnIoCompleted;
_asyncEventArgsSend.UserToken = this;
_receivedBuffer = new byte[NetPacket.MaxTcpPacketSize];
_asyncEventArgsReceive = new SocketAsyncEventArgs();
_asyncEventArgsReceive.Completed += OnIoCompleted;
_asyncEventArgsReceive.UserToken = this;
_asyncEventArgsReceive.SetBuffer(_receivedBuffer, 0, _receivedBuffer.Length);
_sendedList = new List <NetPacket>();
_sendWaitQueue = new List <NetPacket>();
_sendedBufferList = new SendingQueue();
_receivedSize = 0;
}
public bool TrySend(long currentTime, int disconnectTimeoutMs, UdpChannel udpChannel, NetStatistic statistic)
{
if (_packet == null)
{
return(true);
}
if (_isSent)
{
if (currentTime >= _createTime + disconnectTimeoutMs * TimeSpan.TicksPerMillisecond)
{
return(false);
}
long resendDelay = udpChannel.ResendDelay * TimeSpan.TicksPerMillisecond;
long packetHoldTime = currentTime - _lastSentTime;
if (packetHoldTime < resendDelay)
{
return(true);
}
Interlocked.Increment(ref statistic.UdpResentCount);
}
_lastSentTime = currentTime;
_isSent = true;
udpChannel?.SendTo(_packet.RawData, 0, _packet.Size, UdpChannel.SendMode.Buffered);
return(true);
}
public SessionRequest(ISession session, NetStatistic statistic)
{
_session = session;
_statistic = statistic;
}
public ChannelBase(IChannelOption channelOption, ILogger logger, NetStatistic statistic)
{
_channelOption = channelOption;
_logger = logger;
_statistic = statistic;
}