public void Update()
{
if (this.IsDisposed)
{
return;
}
uint timeNow = this.Service.TimeNow;
// 如果还没连接上，发送连接请求
if (!this.IsConnected)
{
// 20秒没连接上则报错
if (timeNow - this.CreateTime > 10 * 1000)
{
Log.Error($"kChannel connect timeout: {this.Id} {this.RemoteConn} {timeNow} {this.CreateTime} {this.ChannelType} {this.RemoteAddress}");
this.OnError(ErrorCode.ERR_KcpConnectTimeout);
return;
}
switch (ChannelType)
{
case ChannelType.Connect:
this.Connect();
break;
}
return;
}
try
{
Kcp.KcpUpdate(this.kcp, timeNow);
}
catch (Exception e)
{
Log.Error(e);
this.OnError(ErrorCode.ERR_SocketError);
return;
}
if (this.kcp != IntPtr.Zero)
{
uint nextUpdateTime = Kcp.KcpCheck(this.kcp, timeNow);
this.Service.AddToUpdateNextTime(nextUpdateTime, this.Id);
}
}
private void InitKcp()
{
switch (this.Service.ServiceType)
{
case ServiceType.Inner:
Kcp.KcpNodelay(kcp, 1, 10, 2, 1);
Kcp.KcpWndsize(kcp, 1024 * 100, 1024 * 100);
Kcp.KcpSetmtu(kcp, 1400); // 默认1400
Kcp.KcpSetminrto(kcp, 10);
break;
case ServiceType.Outer:
Kcp.KcpNodelay(kcp, 1, 10, 2, 1);
Kcp.KcpWndsize(kcp, 128, 128);
Kcp.KcpSetmtu(kcp, 470);
Kcp.KcpSetminrto(kcp, 10);
break;
}
}
private void KcpSend(KcpWaitPacket kcpWaitPacket)
{
if (this.IsDisposed)
{
return;
}
MemoryStream memoryStream = kcpWaitPacket.MemoryStream;
if (this.Service.ServiceType == ServiceType.Inner)
{
memoryStream.GetBuffer().WriteTo(0, kcpWaitPacket.ActorId);
}
int count = (int)(memoryStream.Length - memoryStream.Position);
Kcp.KcpSend(this.kcp, memoryStream.GetBuffer(), (int)memoryStream.Position, count);
this.Service.AddToUpdateNextTime(0, this.Id);
}
public void Send(long actorId, MemoryStream stream)
{
if (this.kcp != IntPtr.Zero)
{
// 检查等待发送的消息，如果超出最大等待大小，应该断开连接
int n = Kcp.KcpWaitsnd(this.kcp);
int maxWaitSize = 0;
switch (this.Service.ServiceType)
{
case ServiceType.Inner:
maxWaitSize = Kcp.InnerMaxWaitSize;
break;
case ServiceType.Outer:
maxWaitSize = Kcp.OuterMaxWaitSize;
break;
default:
throw new ArgumentOutOfRangeException();
}
if (n > maxWaitSize)
{
Log.Error($"kcp wait snd too large: {n}: {this.Id} {this.RemoteConn}");
this.OnError(ErrorCode.ERR_KcpWaitSendSizeTooLarge);
return;
}
}
KcpWaitPacket kcpWaitPacket = new KcpWaitPacket()
{
ActorId = actorId, MemoryStream = stream
};
if (!this.IsConnected)
{
this.sendBuffer.Enqueue(kcpWaitPacket);
return;
}
this.KcpSend(kcpWaitPacket);
}
public override void Dispose()
{
if (this.IsDisposed)
{
return;
}
uint localConn = this.LocalConn;
uint remoteConn = this.RemoteConn;
Log.Info($"channel dispose: {this.Id} {localConn} {remoteConn}");
kChannels.Remove(localConn);
idLocalRemoteConn.TryRemove(this.Id, out ulong _);
long id = this.Id;
this.Id = 0;
this.Service.Remove(id);
try
{
//this.Service.Disconnect(localConn, remoteConn, this.Error, this.RemoteAddress, 3);
}
catch (Exception e)
{
Log.Error(e);
}
if (this.kcp != IntPtr.Zero)
{
Kcp.KcpRelease(this.kcp);
this.kcp = IntPtr.Zero;
}
this.socket = null;
}
static KService()
{
//Kcp.KcpSetLog(KcpLog);
Kcp.KcpSetoutput(KcpOutput);
}