protected void _Receive()
{
try {
while (_client.Available > 0)
{
var rawPacket = _netReader.Read(new BinaryReader(_client.GetStream()),
_client.Available);
if (rawPacket == null)
{
continue;
}
rawPacket.remoteEP = (IPEndPoint)_client.Client.RemoteEndPoint;
_packetForwardService.ForwardPacket(rawPacket);
}
} catch (Exception ex) {
ULogger.Warning($"<{serviceName}> An error occurs when read packet data.", ex);
_client?.GetStream().Seek(0, SeekOrigin.End);
}
}
private void _UDPRead()
{
while (_client.Available != 0)
{
// 接收来自远程主机的数据子包，并获取来源地址
var remoteEP = new IPEndPoint(IPAddress.Any, localPort);
var data = _client.Receive(ref remoteEP);
// [LOG] UDP data length
if (showLog)
{
ULogger.Info($"<{serviceName}> Udp data received, length = {data.Length}");
}
// 获取或创建与远程主机绑定的数据包读取对象
if (!_netReaders.TryGetValue(remoteEP, out var netReader))
{
_netReaders.Add(remoteEP, netReader = _NetReader.Create(NetType.UDP));
}
// 读取并尝试组装子包
_RawPacket rawPacket;
try {
rawPacket = netReader.Read(new BinaryReader(new MemoryStream(data)),
data.Length);
} catch (Exception e) {
ULogger.Warning(
$"<{serviceName}> Received unrecognized or corrupted packet", e);
continue;
}
if (rawPacket == null)
{
continue;
}
// 填入远程主机地址并分发数据包
rawPacket.remoteEP = remoteEP;
_packetForwardService.ForwardPacket(rawPacket);
}
}