private async Task ProcessConsumeUdpRequestAsync(int consumerPort, UdpReceiveResult receiveResult)
{
var nspAppGroup = ServerContext.UDPPortAppMap[consumerPort];
if (nspAppGroup.ProtocolInGroup == Protocol.UDP)
{
var s2pClient = await ConnectionManager.GetClientForUdp(consumerPort, null);
var tunnelStream = s2pClient.GetStream();
// method packegelength buffer
// udp 2 packagelength
tunnelStream.Write(new byte[] { (byte)ControlMethod.UDPTransfer }, 0, 1);
tunnelStream.Write(StringUtil.IntTo2Bytes(receiveResult.Buffer.Length), 0, 2);
await tunnelStream.WriteAsync(receiveResult.Buffer);
Logger.Debug($"UDP数据包已发送{receiveResult.Buffer.Length}字节");
}
}
///接收到消费端的udp请求之后，开始侦测服务端->客户端的请求
private async Task ProcessConsumeUdpRequestAsync(UdpClient consumerUdpClient, int consumerPort,
UdpReceiveResult receiveResult,
CancellationToken ct)
{
var nspAppGroup = ServerContext.UDPPortAppMap[consumerPort];
if (nspAppGroup.ProtocolInGroup == Protocol.UDP)
{
try
{
var s2pClient = ConnectionManager.GetClientForUdp(consumerPort, null);
var tunnelStream = s2pClient.GetStream();
var nspApp = nspAppGroup.ActivateApp;
// method ip(D) port buffer(D)
// udp X 2 X
tunnelStream.Write(new byte[] { (byte)ControlMethod.UDPTransfer }, 0, 1);
//tunnelStream.Write(StringUtil.IntTo2Bytes(nspApp.AppId));
//tunnelStream.Write(StringUtil.IntTo2Bytes(receiveResult.Buffer.Length), 0, 2);
await tunnelStream.WriteDLengthBytes(receiveResult.RemoteEndPoint.Address.ToString());
tunnelStream.Write(StringUtil.IntTo2Bytes(receiveResult.RemoteEndPoint.Port));
await tunnelStream.WriteDLengthBytes(receiveResult.Buffer);
Logger.Debug($"UDP数据包已发送{receiveResult.Buffer.Length}字节,remote ep:{receiveResult.RemoteEndPoint.ToString()}");
lock (receiveUdpLocker)
{
if (nspAppGroup.UdpTransmissionTask == null)//一个app只产生一个udp隧道（共用隧道）
{
//传回连接 (异步)
nspAppGroup.UdpTransmissionTask = OpenUdpTransmission(receiveResult.RemoteEndPoint, tunnelStream, nspAppGroup, ct);
}
//int x = 1;
}
}
catch (Exception ex)
{
Logger.Debug("UDP传输错误：" + ex.ToString());
}
}
}