// 放入数据
private bool PushData(byte[] pushBuffer, Int32 bufOffset, Int32 pushLength, ENCRYPTOPT encryptOption)
{
if (Utilitys.GetTableEncrypt() == null)
{
return(false);
}
if (GetFreeSpaceLength() < pushLength)
{
return(false);
}
if (pushBuffer != null)
{
Int32 tailWriteSpace = GetTailWriteLength();
if ((writePosition >= readPosition) && (tailWriteSpace < pushLength))
{
Buffer.BlockCopy(pushBuffer, bufOffset, dataBuffer, writePosition, tailWriteSpace);
if (encryptOption == ENCRYPTOPT.codeEncrypt)
{
Utilitys.GetTableEncrypt().Encrypt(dataBuffer, writePosition, tailWriteSpace);
}
else if (encryptOption == ENCRYPTOPT.codeUnencrypt)
{
Utilitys.GetTableEncrypt().Unencrypt(dataBuffer, writePosition, tailWriteSpace);
}
Int32 leaveWriteLength = pushLength - tailWriteSpace;
Buffer.BlockCopy(pushBuffer, bufOffset + tailWriteSpace, dataBuffer, 0, leaveWriteLength);
if (encryptOption == ENCRYPTOPT.codeEncrypt)
{
Utilitys.GetTableEncrypt().Encrypt(dataBuffer, 0, leaveWriteLength);
}
else if (encryptOption == ENCRYPTOPT.codeUnencrypt)
{
Utilitys.GetTableEncrypt().Unencrypt(dataBuffer, 0, leaveWriteLength);
}
return(true);
}
else
{
Buffer.BlockCopy(pushBuffer, bufOffset, dataBuffer, writePosition, pushLength);
}
}
if (encryptOption == ENCRYPTOPT.codeEncrypt)
{
Utilitys.GetTableEncrypt().Encrypt(dataBuffer, writePosition, pushLength);
}
else if (encryptOption == ENCRYPTOPT.codeUnencrypt)
{
Utilitys.GetTableEncrypt().Unencrypt(dataBuffer, writePosition, pushLength);
}
return(true);
}
// 写入数据
public bool WriteData(byte[] writeBuf, Int32 bufOffset, Int32 writeLength, ENCRYPTOPT encryptOption)
{
if (!PushData(writeBuf, bufOffset, writeLength, encryptOption))
{
return(false);
}
writePosition += writeLength;
writePosition %= bufferSize;
dataLength += writeLength;
return(true);
}