// --- Private Function ---------------------------------------------------------------------------------------------------------------------------------------------- //
// 解析消息
private void ParseMessage()
{
int receiveCount = InnerSocket.Receive(ReceiveBuffer, InnerSocket.Available > BufferSize ? BufferSize : InnerSocket.Available, SocketFlags.None);
int bufferOffset = 0;
while (true)
{
if (bufferOffset == receiveCount)
{
break;
}
if (ReceivingMessageHeaderPos != 6)
{
// 读取消息头
if (receiveCount - bufferOffset >= 6 - ReceivingMessageHeaderPos)
{
// 数据充足
Array.Copy(ReceiveBuffer, bufferOffset, ReceivingMessageHeader, ReceivingMessageHeaderPos, 6 - ReceivingMessageHeaderPos);
bufferOffset += 6 - ReceivingMessageHeaderPos;
ReceivingMessageHeaderPos = 6;
ReceivingMessageExpectLength = BitConverter.ToInt32(ReceivingMessageHeader, 2);
if (ReceivingMessageExpectLength < 0)
{
Disconnect();
return;
}
ReceivingMessage = ReceivingMessageExpectLength > 0 ? new SocketMessage() : new SocketMessage(false); // 性能优化, 空消息不拉取缓冲区
ReceivingMessage.Info.InternalProtocol = BitConverter.ToUInt16(ReceivingMessageHeader, 0);
}
else
{
// 数据不足
Array.Copy(ReceiveBuffer, bufferOffset, ReceivingMessageHeader, ReceivingMessageHeaderPos, receiveCount - bufferOffset);
ReceivingMessageHeaderPos += receiveCount - bufferOffset;
break;
}
}
else
{
// 读取消息内容
if (receiveCount - bufferOffset >= ReceivingMessageExpectLength - ReceivingMessage.Length)
{
// 数据充足
if (ReceivingMessageExpectLength > 0)
{
bufferOffset += ReceivingMessage.CopyFromBytes(ReceiveBuffer, bufferOffset, ReceivingMessageExpectLength - ReceivingMessage.Length);
}
ReceivingMessage.Info.InternalChannel = ParentChannel.ChannelIndex;
ReceivingMessage.Info.Status = SocketMessageStatus.Received;
ReceivingMessage.Position = 0;
ReceiveMessageQueue.Add(ReceivingMessage);
ReceivingMessage = null;
ReceivingMessageHeaderPos = 0;
}
else
{
// 数据不足
ReceivingMessage.CopyFromBytes(ReceiveBuffer, bufferOffset, receiveCount - bufferOffset);
break;
}
}
}
}
