public void Unpack(byte[] data, Action <ISocketProtocal> unpackCallback, Action <DateTime> onHeart = null, Action <byte[]> onFile = null)
{
_buffer.AddRange(data);
while (_buffer.Count >= P_Head)
{
var buffer = _buffer.ToArray();
var bodyLen = GetLength(buffer);
var type = GetType(buffer);
if (bodyLen == 0 && type == SocketProtocalType.Heart) //空包认为是心跳包
{
var sm = new BaseSocketProtocal()
{
BodyLength = bodyLen, Type = (byte)type
};
_buffer.Clear();
onHeart?.Invoke(DateTimeHelper.Now);
}
else if (buffer.Length >= P_Head + bodyLen)
{
if (type == SocketProtocalType.BigData)
{
var content = GetContent(buffer, P_Head, (int)bodyLen);
_buffer.RemoveRange(0, (int)(P_Head + bodyLen));
bodyLen = 0;
onFile?.Invoke(content);
}
else
{
var sm = new BaseSocketProtocal()
{
BodyLength = bodyLen, Type = (byte)type, Content = GetContent(buffer, P_Head, (int)bodyLen)
};
_buffer.RemoveRange(0, (int)(P_Head + bodyLen));
bodyLen = 0;
unpackCallback?.Invoke(sm);
}
}
else
{
return;
}
}
}
public static BaseSocketProtocal Parse(byte[] data, SocketProtocalType type)
{
var msg = new BaseSocketProtocal();
if (data != null)
{
msg.BodyLength = data.Length;
}
else
{
msg.BodyLength = 0;
}
msg.Type = (byte)type;
if (msg.BodyLength > 0)
{
msg.Content = data;
}
return(msg);
}