public void HandleRecv(byte[] date, int offset, int length)
{
if (this.IsDisposed)
{
return;
}
this.isConnected = true;
Kcp.KcpInput(this.kcp, date, offset, length);
this.GetService().AddToUpdateNextTime(0, this.Id);
while (true)
{
if (this.IsDisposed)
{
return;
}
int n = Kcp.KcpPeeksize(this.kcp);
if (n < 0)
{
return;
}
if (n == 0)
{
this.OnError((int)SocketError.NetworkReset);
return;
}
byte[] buffer = this.memoryStream.GetBuffer();
this.memoryStream.SetLength(n);
this.memoryStream.Seek(0, SeekOrigin.Begin);
int count = Kcp.KcpRecv(this.kcp, buffer, ushort.MaxValue);
if (n != count)
{
return;
}
if (count <= 0)
{
return;
}
this.lastRecvTime = this.GetService().TimeNow;
this.OnRead(this.memoryStream);
}
}
// accept
public KChannel(uint localConn, uint remoteConn, Socket socket, IPEndPoint remoteEndPoint, KService kService) : base(kService, ChannelType.Accept)
{
this.memoryStream = this.GetService().MemoryStreamManager.GetStream("message", ushort.MaxValue);
this.LocalConn = localConn;
this.RemoteConn = remoteConn;
this.remoteEndPoint = remoteEndPoint;
this.socket = socket;
this.kcp = Kcp.KcpCreate(this.RemoteConn, new IntPtr(this.LocalConn));
SetOutput();
Kcp.KcpNodelay(this.kcp, 1, 10, 1, 1);
Kcp.KcpWndsize(this.kcp, 256, 256);
Kcp.KcpSetmtu(this.kcp, 470);
this.lastRecvTime = kService.TimeNow;
this.createTime = kService.TimeNow;
this.Accept();
}
public void HandleConnnect(uint remoteConn)
{
if (this.isConnected)
{
return;
}
this.RemoteConn = remoteConn;
this.kcp = Kcp.KcpCreate(this.RemoteConn, new IntPtr(this.LocalConn));
SetOutput();
Kcp.KcpNodelay(this.kcp, 1, 10, 1, 1);
Kcp.KcpWndsize(this.kcp, 256, 256);
Kcp.KcpSetmtu(this.kcp, 470);
this.isConnected = true;
this.lastRecvTime = this.GetService().TimeNow;
HandleSend();
}
public override void Dispose()
{
bool IsDisposeLocal = this.IsDispose;
base.Dispose();
this.IsDispose = true;
if (IsDisposeLocal)
{
return;
}
this.OnError(ErrorCode.ERR_SocketError);
try
{
if (this.Error == ErrorCode.ERR_Success)
{
for (int i = 0; i < 4; i++)
{
this.Disconnect();
}
}
}
catch (Exception)
{
// ignored
}
if (this.kcp != IntPtr.Zero)
{
Kcp.KcpRelease(this.kcp);
this.kcp = IntPtr.Zero;
}
this.socket = null;
this.memoryStream.Dispose();
kService = null;
}
// accept
public KChannel(uint localConn, uint remoteConn, Socket socket, IPEndPoint remoteEndPoint, KService kService) : base(kService, ChannelType.Accept)
{
this.InstanceId = IdGenerater.GenerateId();
this.LocalConn = localConn;
this.RemoteConn = remoteConn;
this.remoteEndPoint = remoteEndPoint;
this.socket = socket;
this.kcp = Kcp.KcpCreate(this.RemoteConn, new IntPtr(this.LocalConn));
Kcp.KcpSetoutput(
this.kcp,
(bytes, len, k, user) =>
{
KService.Output(bytes, len, user);
return(len);
}
);
Kcp.KcpNodelay(this.kcp, 1, 10, 1, 1);
Kcp.KcpWndsize(this.kcp, 256, 256);
Kcp.KcpSetmtu(this.kcp, 470);
this.isConnected = true;
this.isRecvFirstKcpMessage = false;
this.lastRecvTime = kService.TimeNow;
}
public override void Send(MemoryStream stream)
{
// 检查等待发送的消息，如果超出两倍窗口大小，应该断开连接
if (Kcp.KcpWaitsnd(this.kcp) > 256 * 2)
{
this.OnError(ErrorCode.ERR_KcpWaitSendSizeTooLarge);
return;
}
ushort size = (ushort)(stream.Length - stream.Position);
byte[] bytes;
if (this.isConnected)
{
bytes = stream.GetBuffer();
}
else
{
bytes = new byte[size];
Array.Copy(stream.GetBuffer(), stream.Position, bytes, 0, size);
}
Send(bytes, 0, size);
}
public void Update()
{
if (this.IsDisposed)
{
return;
}
uint timeNow = this.GetService().TimeNow;
// 如果还没连接上，发送连接请求
if (!this.isConnected)
{
// 10秒没连接上则报错
if (timeNow - this.createTime > 10 * 1000)
{
this.OnError(ErrorCode.ERR_KcpCantConnect);
return;
}
if (timeNow - this.lastRecvTime < 500)
{
return;
}
switch (ChannelType)
{
case ChannelType.Accept:
this.Accept();
break;
case ChannelType.Connect:
this.Connect();
break;
}
return;
}
// 超时断开连接
//if (timeNow - this.lastRecvTime > 40 * 1000)
//{
// this.OnError(ErrorCode.ERR_KcpChannelTimeout);
// return;
//}
try
{
Kcp.KcpUpdate(this.kcp, timeNow);
}
catch (Exception e)
{
Log.Error(e);
this.OnError(ErrorCode.ERR_SocketError);
return;
}
if (this.kcp != IntPtr.Zero)
{
uint nextUpdateTime = Kcp.KcpCheck(this.kcp, timeNow);
this.GetService().AddToUpdateNextTime(nextUpdateTime, this.Id);
}
}
