public ParitySet(Config config, IEnvironment environment)
{
drives = new List<DataDrive>();
Config = config;
parity = new Parity(Config);
Empty = true;
env = environment;
}
public ParityChange(Parity parity, Config config, UInt32 startBlock, UInt32 lengthInBlocks)
{
this.parity = parity;
this.startBlock = startBlock;
tempDir = config.TempDir;
writingToMMF = true;
UInt32 maxMMFBlocks = Parity.LengthInBlocks((long)config.MaxTempRAM * 1024 * 1024);
UInt32 mmfBlocks = (lengthInBlocks < maxMMFBlocks) ? lengthInBlocks : maxMMFBlocks;
try {
mmf = MemoryMappedFile.CreateNew("disparity.tmp", (long)mmfBlocks * Parity.BLOCK_SIZE);
mmfStream = mmf.CreateViewStream();
}
catch (Exception e) {
LogFile.Log("Could not create memory mapped file: " + e.Message);
// We'll use a temp file only
mmf = null;
mmfStream = null;
writingToMMF = false;
}
tempFileStream = null;
parityBlock = new ParityBlock(parity);
block = startBlock;
}
public ParityBlock(Parity parity)
{
this.parity = parity;
data = new byte[Parity.BLOCK_SIZE];
}
public ParityBlock(Parity parity)
{
this.parity = parity;
data = new byte[Parity.BLOCK_SIZE];
}