private void ReadBlock()
{
this.currentBlock = this.reader.ReadBlock();
if (this.currentBlock.IsEmpty)
{
this.readBuffer = new MemoryStream();
return;
}
if (this.currentBlock.Compressed)
{
byte[] buffer = new byte[this.currentBlock.UncompressedLength];
var inflater = new Inflater();
inflater.SetInput(this.currentBlock.Content);
inflater.Inflate(buffer);
this.readBuffer = new MemoryStream(buffer);
}
else
{
this.readBuffer = new MemoryStream(this.currentBlock.Content);
}
}
public override int Read(byte[] buffer, int offset, int count)
{
if (this.streamMode != StreamMode.Read)
{
throw new InvalidOperationException("Cannot read from write stream");
}
if (this.isDone)
{
return(0);
}
if (this.currentBlock == null)
{
this.ReadBlock();
}
if (this.currentBlock.IsEmpty)
{
this.isDone = true;
this.currentBlock = null;
return(0);
}
int read = this.readBuffer.Read(buffer, offset, count);
if (read == 0)
{
if (this.currentBlock.Compressed && (this.currentBlockRead != this.currentBlock.UncompressedLength))
{
throw new IOException("Uncompressed block size did not match actual content length");
}
this.currentBlock = null;
this.currentBlockRead = 0;
return(this.Read(buffer, offset, count));
}
this.currentBlockRead += read;
return(read);
}
public override void Close()
{
base.Close();
if (this.isClosed)
{
return;
}
if (this.streamMode == StreamMode.Read)
{
if (this.currentBlock != null)
{
this.currentBlock = null;
}
}
else if (this.streamMode == StreamMode.Write)
{
this.writeStream.Close();
}
this.isClosed = true;
}
public void WriteBlock(FragmentBlock block)
{
WriteBlock(block.Content, 0, block.Length, block.Compressed, block.UncompressedLength);
}
public void WriteBlock(FragmentBlock block)
{
WriteBlock(block.Content, 0, block.Length, block.Compressed, block.UncompressedLength);
}
private void ReadBlock()
{
this.currentBlock = this.reader.ReadBlock();
if (this.currentBlock.IsEmpty)
{
this.readBuffer = new MemoryStream();
return;
}
if (this.currentBlock.Compressed)
{
byte[] buffer = new byte[this.currentBlock.UncompressedLength];
var inflater = new Inflater();
inflater.SetInput(this.currentBlock.Content);
inflater.Inflate(buffer);
this.readBuffer = new MemoryStream(buffer);
}
else
{
this.readBuffer = new MemoryStream(this.currentBlock.Content);
}
}
public override int Read(byte[] buffer, int offset, int count)
{
if (this.streamMode != StreamMode.Read)
throw new InvalidOperationException("Cannot read from write stream");
if (this.isDone)
return 0;
if (this.currentBlock == null)
this.ReadBlock();
if (this.currentBlock.IsEmpty)
{
this.isDone = true;
this.currentBlock = null;
return 0;
}
int read = this.readBuffer.Read(buffer, offset, count);
if (read == 0)
{
if (this.currentBlock.Compressed && (this.currentBlockRead != this.currentBlock.UncompressedLength))
throw new IOException("Uncompressed block size did not match actual content length");
this.currentBlock = null;
this.currentBlockRead = 0;
return this.Read(buffer, offset, count);
}
this.currentBlockRead += read;
return read;
}
public override void Close()
{
base.Close();
if (this.isClosed)
return;
if (this.streamMode == StreamMode.Read)
{
if (this.currentBlock != null)
this.currentBlock = null;
}
else if (this.streamMode == StreamMode.Write)
{
this.writeStream.Close();
}
this.isClosed = true;
}