public void Connect(string host, int port)
{
if (m_Dispose)
{
throw new ObjectDisposedException("ClientSocket already dispose!");
}
if (IsConnected)
{
Logger.Error($"已连接 {host}:{port}");
return;
}
if (m_Status == Status.Connecting)
{
Logger.Error($"正在连接中 {host}:{port}");
return;
}
m_Status = Status.Connecting;
IPAddress[] addresses = Dns.GetHostAddresses(host);
if (addresses.Length < 1)
{
throw new ArgumentException($"不能解析的地址:{host}");
}
IPEndPoint point = new IPEndPoint(addresses[0], port);
m_Socket = new Socket(point.AddressFamily, SocketType.Dgram, ProtocolType.Udp);
KcpHelper.CreateThread(OnConnectLooper, point);
}
public void Bind(int port, IChannelListener listener)
{
if (m_Dispose)
{
throw new ObjectDisposedException("ServerTransport already disposed!");
}
m_Listener = listener;
m_Socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
m_Socket.Bind(new IPEndPoint(IPAddress.Any, port));
KcpHelper.CreateThread(RecvUdpDataLooper);
KcpHelper.CreateThread(UpdateChannelLooper);
}
private void OnConnectLooper(object point)
{
try
{
int time = 0;
const int tick = 100;
const int timeout = 5000;
const int pollTimeout = 100000;
byte[] rawBuffer = new byte[KcpConstants.Packet_Length];
m_Socket.Connect((EndPoint)point);
while (!m_Dispose && m_Status == Status.Connecting)
{
int size = KcpHelper.Encode32u(rawBuffer, 0, KcpConstants.Flag_Connect);
m_Socket.Send(rawBuffer, 0, size, SocketFlags.None);
if (!m_Socket.Poll(pollTimeout, SelectMode.SelectRead))
{
time += tick;
if (time >= timeout)
{
m_Status = Status.Timeout;
break;
}
continue;
}
if (m_Dispose)
{
break;
}
int count = m_Socket.Receive(rawBuffer, 0, rawBuffer.Length, SocketFlags.None);
if (count == 37)
{
uint cid = KcpHelper.Decode32u(rawBuffer, 0);
uint flag = KcpHelper.Decode32u(rawBuffer, 29);
uint conv = KcpHelper.Decode32u(rawBuffer, 33);
if (flag == KcpConstants.Flag_Connect)
{
m_Kcp = new KcpConClient(cid, conv, m_Socket);
m_Kcp.Input(rawBuffer, KcpConstants.Head_Size, count - KcpConstants.Head_Size);
count = m_Kcp.Recv(rawBuffer, 0, rawBuffer.Length);
if (count == 8)
{
KcpHelper.Encode32u(rawBuffer, 0, KcpConstants.Flag_Connect);
KcpHelper.Encode32u(rawBuffer, 4, conv);
m_Kcp.Send(rawBuffer, 0, 8);
m_Kcp.Flush();
m_ConId = cid;
m_Status = Status.Success;
m_Register.Notify(Msg.Success);
KcpHelper.CreateThread(OnHandleLooper);
break;
}
}
}
}
}
catch (Exception e)
{
Logger.Error(e.ToString());
m_Status = Status.Error;
}
finally
{
if (!m_Dispose)
{
if (m_Status == Status.Error)
{
m_Register.Notify(Msg.Error);
}
else if (m_Status == Status.Timeout)
{
m_Register.Notify(Msg.Timeout);
}
}
}
}
