private void ReceiveData()
{
if (socket == null || !socket.Connected)
{
Close();
return;
}
else
{
recvStream.Clear();
int i = socket.Receive(recvStream.buf);
if (i < 0)
{
Close();
return;
}
recvStream.used = i;
recvBuf.Append(recvStream);
//当缓存中剩余未读数据至少是2字节时继续读(2字节为包长度大小)
while (recvBuf.UnreadBytes > 2 && socket != null)
{
int msgLen = recvBuf.ReadInt16();
//如果剩余未读是完整数据包则读取 否则接收到完整数据包再读
if (msgLen > recvBuf.UnreadBytes)
{
int cmd = recvBuf.ReadInt16();
ReceivePacket p = messagePacker.Read(cmd, recvBuf, msgLen - 2);//减去cmd的2位
if (p != null)
{
packetPool.AddReceivePacket(p);
}
if (recvBuf.UnreadBytes == 0)
{
recvBuf.Clear();
return;
}
}
else
{
recvBuf.readPos -= 2;
return;
}
}
}
}