public Chunk( FileQueue owner, int slot, byte[] buffer, int offset, int size ) {
this.owner = owner;
this.slot = slot;
this.buffer = buffer;
this.offset = offset;
this.size = size;
}
public Chunk(FileQueue owner, int slot, byte[] buffer, int offset, int size)
{
this.owner = owner;
this.slot = slot;
this.buffer = buffer;
this.offset = offset;
this.size = size;
}
public Chunk(FileQueue _owner, int _slot, byte[] _buffer, int _offset, int _size)
{
owner = _owner;
slot = _slot;
buffer = _buffer;
offset = _offset;
size = _size;
}
public SequentialFileWriter(string path)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
fileStream = FileOperations.OpenSequentialStream(path, FileMode.Create, FileAccess.Write, FileShare.None);
fileQueue = new FileQueue(Math.Max(1, FileOperations.Concurrency), FileCallback);
}
public SequentialFileWriter(string path, SaveMetrics metrics)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
this.metrics = metrics;
fileStream = FileOperations.OpenSequentialStream(path, FileMode.Create, FileAccess.Write, FileShare.None);
fileQueue = new FileQueue(Math.Max(1, FileOperations.Concurrency), FileCallback);
}
protected override void Dispose(bool disposing)
{
if (fileStream != null)
{
Flush();
fileQueue.Dispose();
fileQueue = null;
fileStream.Close();
fileStream = null;
}
base.Dispose(disposing);
}
public SequentialFileWriter(string path, SaveMetrics metrics)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
this.metrics = metrics;
this.fileStream = FileOperations.OpenSequentialStream(path, FileMode.Create, FileAccess.Write, FileShare.None);
this.fileQueue = new FileQueue(
Math.Max(1, FileOperations.Concurrency),
FileCallback);
}
protected override void Dispose(bool disposing)
{
if (fileStream != null)
{
Flush();
fileQueue.Dispose();
fileQueue = null;
fileStream.Close();
fileStream = null;
}
base.Dispose(disposing);
}
private void FileCallback( FileQueue.Chunk chunk ) {
if ( FileOperations.AreSynchronous ) {
fileStream.Write( chunk.Buffer, chunk.Offset, chunk.Size );
if ( metrics != null ) {
metrics.OnFileWritten( chunk.Size );
}
chunk.Commit();
} else {
if ( writeCallback == null ) {
writeCallback = this.OnWrite;
}
fileStream.BeginWrite( chunk.Buffer, chunk.Offset, chunk.Size, writeCallback, chunk );
}
}
