/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <param name="startIndex">需要载入数据额外处理的开始位置</param>
/// <param name="length">需要载入数据额外处理的数据长度 -1为，开始INDEX到结束位置,-2就是保留最后1位</param>
/// <param name="dataExtraCallBack"> 数据包在读取前需要额外的处理回调方法。（例如加密，解压缩等）</param>
public ReadBytes(Byte[] data, int startIndex, int length, RDataExtraHandle dataExtraCallBack)
{
try
{
this.startIndex = startIndex;
this.Length = data.Length;
if (length < 0)
{
endlengt = (data.Length + length + 1) - startIndex;
}
else
{
endlengt = length;
}
byte[] handBytes = new byte[this.startIndex];
Buffer.BlockCopy(data, 0, handBytes, 0, handBytes.Length); //首先保存不需要解密的数组
byte[] endBytes = new byte[data.Length - (startIndex + endlengt)];
Buffer.BlockCopy(data, (startIndex + endlengt), endBytes, 0, endBytes.Length); //首先保存不需要解密的数组
byte[] NeedExByte = new byte[endlengt];
Buffer.BlockCopy(data, startIndex, NeedExByte, 0, NeedExByte.Length);
if (dataExtraCallBack != null)
{
NeedExByte = dataExtraCallBack(NeedExByte);
}
Data = new byte[handBytes.Length + NeedExByte.Length + endBytes.Length]; //重新整合解密完毕后的数据包
Buffer.BlockCopy(handBytes, 0, Data, 0, handBytes.Length);
Buffer.BlockCopy(NeedExByte, 0, Data, handBytes.Length, NeedExByte.Length);
Buffer.BlockCopy(endBytes, 0, Data, (handBytes.Length + NeedExByte.Length), endBytes.Length);
current = 0;
IsDataExtraSuccess = true;
}
catch
{
IsDataExtraSuccess = false;
}
}
public ReadBytesV2(Byte[] data, RDataExtraHandle dataExtraCallBack)
{
try
{
if (data[0] == 0xff)
{
base.current = 1;
}
Data = data;
this.startIndex = ReadHeadLengt();
this.Length = data.Length;
endlengt = Length - startIndex;
byte[] handBytes = new byte[this.startIndex];
Buffer.BlockCopy(data, 0, handBytes, 0, handBytes.Length); //首先保存不需要解密的数组
byte[] NeedExByte = new byte[endlengt];
Buffer.BlockCopy(data, startIndex, NeedExByte, 0, NeedExByte.Length);
if (dataExtraCallBack != null)
{
NeedExByte = dataExtraCallBack(NeedExByte);
}
Data = new byte[handBytes.Length + NeedExByte.Length]; //重新整合解密完毕后的数据包
Buffer.BlockCopy(handBytes, 0, Data, 0, handBytes.Length);
Buffer.BlockCopy(NeedExByte, 0, Data, handBytes.Length, NeedExByte.Length);
current = 0;
IsDataExtraSuccess = true;
}
catch
{
IsDataExtraSuccess = false;
}
}
public ReadBytesV2(Byte[] data, RDataExtraHandle dataExtraCallBack)
{
try
{
//if (data[0] == 0xff)
// base.current = 1;
Data = data;
this.startIndex = ReadHeadLengt();
this.Length = data.Length;
endlengt = Length - startIndex;
byte[] handBytes = new byte[this.startIndex];
Buffer.BlockCopy(data, 0, handBytes, 0, handBytes.Length); //首先保存不需要解密的数组
byte[] NeedExByte = new byte[endlengt];
Buffer.BlockCopy(data, startIndex, NeedExByte, 0, NeedExByte.Length);
if (dataExtraCallBack != null)
NeedExByte = dataExtraCallBack(NeedExByte);
Data = new byte[handBytes.Length + NeedExByte.Length]; //重新整合解密完毕后的数据包
Buffer.BlockCopy(handBytes, 0, Data, 0, handBytes.Length);
Buffer.BlockCopy(NeedExByte, 0, Data, handBytes.Length, NeedExByte.Length);
current = 0;
IsDataExtraSuccess = true;
}
catch
{
IsDataExtraSuccess = false;
}
}
