public void SendHeader(Header header, int requestId)
{
lock (_sendBufferLock)
{
_sendBuffer.Offset = _sendBuffer.Length;
_sendBuffer.Write((int)header);
_sendBuffer.Write(requestId);
_sendBuffer.Write(0); // packet size
_sendBufferEvent.Set();
}
}
protected virtual void DecodeProtocolData(byte[] buffer, int offset, int length)
{
_buffer.Offset = _buffer.Length;
_buffer.Write(buffer, offset, length);
while (_buffer.Length >= Packet.HeaderSize)
{
_buffer.Offset = 0;
var header = _buffer.ReadInt32();
var requestId = _buffer.ReadInt32();
var packetSize = _buffer.ReadInt32();
if (_buffer.Length - _buffer.Offset < packetSize)
{
return; // need more data
}
if (header <= 0 ||
header >= (int)Header.MaxHeader)
{
throw new ProtocolException($"The header is invalid: 0x{header.ToString("x8")}");
}
if (PreProcessPacket((Header)header, requestId, packetSize, _buffer))
{
ProcessPacket((Header)header, requestId);
}
_buffer.Remove(Packet.HeaderSize + packetSize);
}
}
public static DataBuffer FromString(string content, Encoding encoding)
{
var bytes = encoding.GetBytes(content);
var buffer = new DataBuffer();
buffer.Write(bytes, 0, bytes.Length);
return(buffer);
}
public void WriteTo(DataBuffer buffer)
{
buffer.Write(_buffer.InternalBuffer, 0, _buffer.Length);
}
public Packet(Header header, int requestId)
{
_header = header;
_buffer.Write((int)header);
_buffer.Write(requestId);
_buffer.Write(0); // packet size
}