public void End()
{
this.deflateStream.Flush();
this.deflateStream.Close();
this.deflateWriter.Close();
if (!this.useTempStream)
{
long curPos = this.BaseStream.Position;
this.BaseStream.Seek(this.baseStreamPosition, SeekOrigin.Begin);
uint crc = CheckSum.ComputeHash(this.BaseStream, curPos - this.baseStreamPosition);
this.BaseStream.Seek(this.baseStreamPosition - 4, SeekOrigin.Begin);
this.writer.Write(crc);
this.BaseStream.Seek(curPos, SeekOrigin.Begin);
}
else
{
this.tempStream.Seek(0, SeekOrigin.Begin);
uint crc = CheckSum.ComputeHash(this.tempStream, this.tempStream.Length);
this.writer.Write(crc);
this.tempStream.Seek(0, SeekOrigin.Begin);
StreamUtils.CopyStream(this.tempStream, this.BaseStream, (int)this.tempStream.Length);
this.tempStream.Close();
this.tempStream = null;
}
}
private void CallBack(IAsyncResult ir)
{
byte[] buffer = (byte[])ir.AsyncState;
int count = fs.EndRead(ir);
this.length -= count;
bool doEnd = this.length <= 0;
this.evCallBack.WaitOne();
if (!doEnd)
{
byte[] nextBuffer = buffer == buffer1 ? buffer2 : buffer1;
Begin(nextBuffer);
}
this.crc = CheckSum.ComputeHash(buffer, 0, count, this.crc);
this.evCallBack.Set();
if (doEnd)
{
this.End();
}
}