private void RecvData()
{
if (dataSocket == null)
{
return;
}
if (!dataSocket.Poll(0, SelectMode.SelectRead))
{
return;
}
EndPoint endPoint = new IPEndPoint(IPAddress.Any, 0);
int recvLength;
try
{
recvLength = dataSocket.ReceiveFrom(recvBuffer, 0, recvBuffer.Length, SocketFlags.None, ref endPoint);
}
catch (SocketException ex)
{
HandleError(endPoint, ex.SocketErrorCode);
return;
}
recvReader.Clear();
recvReader.SetSource(recvBuffer, 0, recvLength);
uint connectionId = recvReader.GetUInt();
// Have to find which kcp send this data, then set its input
KCPHandle kcpHandle = null;
if (kcpHandles.TryGetValue(connectionId, out kcpHandle))
{
kcpHandle.remoteEndPoint = endPoint;
kcpHandle.kcp.Input(new Span <byte>(recvBuffer, 0, recvLength));
byte[] kcpData;
while ((recvLength = kcpHandle.kcp.PeekSize()) > 0)
{
kcpData = new byte[recvLength];
if (kcpHandle.kcp.Recv(kcpData) >= 0)
{
TransportEventData eventData = default(TransportEventData);
eventData.connectionId = connectionId;
eventData.endPoint = (IPEndPoint)endPoint;
HandleRecvData(kcpData, recvLength, eventData);
}
}
}
}
