/// <summary>
/// 生成终极传送指令的方法，所有的数据均通过该方法出来
/// </summary>
/// <param name="command">命令头</param>
/// <param name="customer">自用自定义</param>
/// <param name="token">令牌</param>
/// <param name="data">字节数据</param>
/// <returns>包装后的数据信息</returns>
internal static byte[] CommandBytes(int command, int customer, Guid token, byte[] data)
{
byte[] _temp = null;
int _zipped = ProtocolNoZipped;
int _sendLength = 0;
if (data == null)
{
_temp = new byte[HeadByteLength];
}
else
{
// 加密
data = HslSecurity.ByteEncrypt(data);
if (data.Length > 102400)
{
// 100K以上的数据，进行数据压缩
data = SoftZipped.CompressBytes(data);
_zipped = ProtocolZipped;
}
_temp = new byte[HeadByteLength + data.Length];
_sendLength = data.Length;
}
BitConverter.GetBytes(command).CopyTo(_temp, 0);
BitConverter.GetBytes(customer).CopyTo(_temp, 4);
BitConverter.GetBytes(_zipped).CopyTo(_temp, 8);
token.ToByteArray( ).CopyTo(_temp, 12);
BitConverter.GetBytes(_sendLength).CopyTo(_temp, 28);
if (_sendLength > 0)
{
Array.Copy(data, 0, _temp, 32, _sendLength);
}
return(_temp);
}
public void SoftZipped1Test( )
{
byte[] b1 = new byte[] { 0x13, 0xA6, 0x15, 0x85, 0x5B, 0x05, 0x12, 0x36, 0xF2, 0x27 };
byte[] b2 = SoftZipped.CompressBytes(b1);
byte[] b3 = SoftZipped.Decompress(b2);
Assert.IsTrue(SoftBasic.IsTwoBytesEquel(b1, b3));
}
/// <summary>
/// 解析接收到数据，先解压缩后进行解密
/// </summary>
/// <param name="head">指令头</param>
/// <param name="content">指令的内容</param>
/// <return>真实的数据内容</return>
internal static byte[] CommandAnalysis(byte[] head, byte[] content)
{
if (content != null)
{
int _zipped = BitConverter.ToInt32(head, 8);
// 先进行解压
if (_zipped == ProtocolZipped)
{
content = SoftZipped.Decompress(content);
}
// 进行解密
return(HslSecurity.ByteDecrypt(content));
}
else
{
return(null);
}
}