private void Parse()
{
if (this.isOK)
{
return;
}
bool finish = false;
while (!finish)
{
switch (this.state)
{
case ParserState.PacketSize:
if (this.buffer.Count < 2)
{
finish = true;
}
else
{
this.buffer.RecvFrom(this.packetSizeBuffer);
this.packetSize = BitConverter.ToUInt16(this.packetSizeBuffer, 0);
this.packetSize = NetworkHelper.NetworkToHostOrder(this.packetSize);
if (packetSize > 60000)
{
throw new Exception($"packet too large, size: {this.packetSize}");
}
this.state = ParserState.PacketBody;
}
break;
case ParserState.PacketBody:
if (this.buffer.Count < this.packetSize)
{
finish = true;
}
else
{
this.packet = new byte[this.packetSize];
this.buffer.RecvFrom(this.packet);
this.isOK = true;
this.state = ParserState.PacketSize;
finish = true;
}
break;
}
}
}
private async void StartRecv()
{
while (true)
{
if (this.Id == 0)
{
return;
}
byte[] messageBytes;
try
{
messageBytes = await channel.Recv();
if (this.Id == 0)
{
return;
}
}
catch (Exception e)
{
Log.Error(e.ToString());
continue;
}
if (messageBytes.Length < 3)
{
continue;
}
ushort opcode = BitConverter.ToUInt16(messageBytes, 0);
opcode = NetworkHelper.NetworkToHostOrder(opcode);
try
{
this.Run(opcode, messageBytes);
}
catch (Exception e)
{
Log.Error(e.ToString());
}
}
}
