public byte[] Receive(long sid, TimeSpan timeout)
{
byte[] buff = new byte[65536];
UDPBufferReader reader = GetBufferReader(sid);
return(reader.Read(timeout));
}
async Task ReadLoopAsync()
{
await Task.Yield();
while (true)
{
//TODO: if not cached , and all stream closed , shutdown directly
var data = await ReceiveAsync();
if (data == null)
{
Console.WriteLine("_udp.ReceiveAsync() return null ,Close()");
Close();
return;
}
long sid = BitConverter.ToInt64(data, 8);
if (sid == -1)
{
Console.WriteLine("_udp.ReceiveAsync() return " + sid + ", " + UDPMeta.GetPackageType(data));
}
UDPBufferReader reader = GetBufferReader(sid);
reader.OnPost(data);
}
}
UDPBufferReader GetBufferReader(long sid)
{
UDPBufferReader reader;
lock (buffmap)
{
if (_closed)
{
throw (new Exception("closed"));
}
if (!buffmap.TryGetValue(sid, out reader))
{
buffmap[sid] = reader = new UDPBufferReader();
}
}
return(reader);
}
