public void Handle(TcpClient client)
{
DCLog.Log("connect a client ...");
mChannel.Init(client);
mChannel.AddListener(OnMsg);
mChannel.StartReceive();
}
public void Init(string host, int port)
{
DCLog.Log("server start ....");
mTcpListener = new TcpListener(IPAddress.Parse(host), port);
mTcpListener.Server.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
mTcpListener.Server.NoDelay = true;
mTcpListener.Start();
}
public async void Start()
{
DCLog.Log("server start accept ....");
while (true)
{
if (mDisposed)
{
return;
}
var tcpClient = await mTcpListener.AcceptTcpClientAsync();
var clientHandler = new ClientHandler();
clientHandler.SetServer(this);
clientHandler.Handle(tcpClient);
}
}
public void OnMsg(Packet packet)
{
//首次连接第一个协议必须是user token
var protoPacket = ProtoPacket.FromRecvBuf(packet.Bytes, 0, packet.Length);
if (protoPacket.ProtoObj is PTestDemoClsReq req)
{
var f1 = req.F1;
if (f1 == null)
{
DCLog.Log("default is null");
}
}
//echo to client
mChannel.Send(
SendBuf.From(Encoding.UTF8.GetBytes("echo ")),
SendBuf.From(packet.Bytes, 0, packet.Length));
}
public async void StartReceive()
{
/*
* tcp 确保收到服务器下发的所有数据
* 为了减少丢包导致的损失减少每次数据的发送量
*/
/*
* udp 不保证包一定送达 不保证顺序
* 需要实现拼接
*/
try
{
while (true)
{
if (mDisposed)
{
return;
}
var stream = mClient.GetStream();
if (!stream.CanRead)
{
return;
}
var cnt = await mRecvBuf.WriteAsync(stream);
if (cnt == 0)
{
//SocketError.NetworkReset
//todo s send reconnect msg
return;
}
var suc = mPacketParser.Parse();
if (suc)
{
var packet = mPacketParser.GetPacket();
if (null != mOnRecvListener)
{
mOnRecvListener(packet);
}
}
}
}
catch (IOException e)
{
DCLog.Err(e.Message);
DCLog.Err(e.StackTrace);
}
catch (ObjectDisposedException e)
{
DCLog.Err(e.Message);
DCLog.Err(e.StackTrace);
}
catch (Exception e)
{
DCLog.Err(e.Message);
DCLog.Err(e.StackTrace);
}
}
