public static Worker <Block, Block> CreateDestinationWorker(BinaryWriter writer, int blocksNumber, int blockLength,
PackerMode packerMode, IGettableConveyer <Block> gettableConveyer, ILoggable logger)
{
IPuttableConveyer <Block> puttableConveyer;
if (packerMode == PackerMode.Pack)
{
BinaryBlockWriter.WriteInfo(writer, blocksNumber, blockLength);
puttableConveyer = new PutOnlyConveyer <Block>((Block block) => {
BinaryBlockWriter.WritePackedBlock(writer, block);
});
}
else
{
puttableConveyer = new PutOnlyConveyer <Block>((Block block) => {
BinaryBlockWriter.WriteBlock(writer, block, blockLength);
});
}
return(new Worker <Block, Block>("Destination", gettableConveyer, puttableConveyer, logger, block => block));
}
public static Worker <Block, Block> CreateSourceWorker(BinaryReader reader, int blocksNumber, int blockLength,
PackerMode packerMode, IPuttableConveyer <Block> puttableConveyer, ILoggable logger)
{
IEnumerator <Block> enumerator;
if (packerMode == PackerMode.Pack)
{
enumerator = BinaryBlockReader.CreateRawBlocksEnumerator(reader, blockLength);
}
else
{
enumerator = BinaryBlockReader.CreatePackedBlocksEnumerator(reader, blocksNumber);
}
IGettableConveyer <Block> gettableConveyer = new GetOnlyConveyer <Block>((out bool stopped) => {
stopped = !enumerator.MoveNext();
return(stopped ? null : enumerator.Current);
});
return(new Worker <Block, Block>("Source", gettableConveyer, puttableConveyer, logger, block => block));
}
public PackedChangedEventArgs(PackerMode mode, int count)
{
Mode = mode;
Count = count;
}
protected virtual void RaisePackedChangedEvent(PackerMode mode, int count)
{
PackedChanged?.Invoke(this, new PackedChangedEventArgs(mode, count));
}
public static ExitStatus Run(Stream source, Stream destination, IPackerEngine packer, PackerMode packerMode,
int blockLength, int parallelismDegree, CancellationTokenSource token, ILoggable logger)
{
using (BinaryReader sourceReader = new BinaryReader(source)) {
using (BinaryWriter destinationWriter = new BinaryWriter(destination)) {
return(Run(sourceReader, destinationWriter, packer, packerMode,
blockLength, parallelismDegree, token, logger));
}
}
}
public static CompressionMode ToCompressionMode(this PackerMode engineMode)
{
return(engineMode == PackerMode.Compress ? CompressionMode.Compress : CompressionMode.Decompress);
}
