diff options
Diffstat (limited to 'Jellyfin.Api/Helpers/ProgressiveFileCopier.cs')
| -rw-r--r-- | Jellyfin.Api/Helpers/ProgressiveFileCopier.cs | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/Jellyfin.Api/Helpers/ProgressiveFileCopier.cs b/Jellyfin.Api/Helpers/ProgressiveFileCopier.cs deleted file mode 100644 index 8bddf00d5..000000000 --- a/Jellyfin.Api/Helpers/ProgressiveFileCopier.cs +++ /dev/null @@ -1,188 +0,0 @@ -using System; -using System.Buffers; -using System.IO; -using System.Runtime.InteropServices; -using System.Threading; -using System.Threading.Tasks; -using Jellyfin.Api.Models.PlaybackDtos; -using MediaBrowser.Common.Extensions; -using MediaBrowser.Controller.Library; -using MediaBrowser.Model.IO; - -namespace Jellyfin.Api.Helpers -{ - /// <summary> - /// Progressive file copier. - /// </summary> - public class ProgressiveFileCopier - { - private readonly TranscodingJobDto? _job; - private readonly string? _path; - private readonly CancellationToken _cancellationToken; - private readonly IDirectStreamProvider? _directStreamProvider; - private readonly TranscodingJobHelper _transcodingJobHelper; - private long _bytesWritten; - - /// <summary> - /// Initializes a new instance of the <see cref="ProgressiveFileCopier"/> class. - /// </summary> - /// <param name="path">The path to copy from.</param> - /// <param name="job">The transcoding job.</param> - /// <param name="transcodingJobHelper">Instance of the <see cref="TranscodingJobHelper"/>.</param> - /// <param name="cancellationToken">The cancellation token.</param> - public ProgressiveFileCopier(string path, TranscodingJobDto? job, TranscodingJobHelper transcodingJobHelper, CancellationToken cancellationToken) - { - _path = path; - _job = job; - _cancellationToken = cancellationToken; - _transcodingJobHelper = transcodingJobHelper; - } - - /// <summary> - /// Initializes a new instance of the <see cref="ProgressiveFileCopier"/> class. - /// </summary> - /// <param name="directStreamProvider">Instance of the <see cref="IDirectStreamProvider"/> interface.</param> - /// <param name="job">The transcoding job.</param> - /// <param name="transcodingJobHelper">Instance of the <see cref="TranscodingJobHelper"/>.</param> - /// <param name="cancellationToken">The cancellation token.</param> - public ProgressiveFileCopier(IDirectStreamProvider directStreamProvider, TranscodingJobDto? job, TranscodingJobHelper transcodingJobHelper, CancellationToken cancellationToken) - { - _directStreamProvider = directStreamProvider; - _job = job; - _cancellationToken = cancellationToken; - _transcodingJobHelper = transcodingJobHelper; - } - - /// <summary> - /// Gets or sets a value indicating whether allow read end of file. - /// </summary> - public bool AllowEndOfFile { get; set; } = true; - - /// <summary> - /// Gets or sets copy start position. - /// </summary> - public long StartPosition { get; set; } - - /// <summary> - /// Write source stream to output. - /// </summary> - /// <param name="outputStream">Output stream.</param> - /// <param name="cancellationToken">Cancellation token.</param> - /// <returns>A <see cref="Task"/>.</returns> - public async Task WriteToAsync(Stream outputStream, CancellationToken cancellationToken) - { - cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, _cancellationToken).Token; - - try - { - if (_directStreamProvider != null) - { - await _directStreamProvider.CopyToAsync(outputStream, cancellationToken).ConfigureAwait(false); - return; - } - - var fileOptions = FileOptions.SequentialScan; - var allowAsyncFileRead = false; - - // use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039 - if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) - { - fileOptions |= FileOptions.Asynchronous; - allowAsyncFileRead = true; - } - - if (_path == null) - { - throw new ResourceNotFoundException(nameof(_path)); - } - - await using var inputStream = new FileStream(_path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, IODefaults.FileStreamBufferSize, fileOptions); - - var eofCount = 0; - const int EmptyReadLimit = 20; - if (StartPosition > 0) - { - inputStream.Position = StartPosition; - } - - while (eofCount < EmptyReadLimit || !AllowEndOfFile) - { - var bytesRead = await CopyToInternalAsync(inputStream, outputStream, allowAsyncFileRead, cancellationToken).ConfigureAwait(false); - - if (bytesRead == 0) - { - if (_job == null || _job.HasExited) - { - eofCount++; - } - - await Task.Delay(100, cancellationToken).ConfigureAwait(false); - } - else - { - eofCount = 0; - } - } - } - finally - { - if (_job != null) - { - _transcodingJobHelper.OnTranscodeEndRequest(_job); - } - } - } - - private async Task<int> CopyToInternalAsync(Stream source, Stream destination, bool readAsync, CancellationToken cancellationToken) - { - var array = ArrayPool<byte>.Shared.Rent(IODefaults.CopyToBufferSize); - try - { - int bytesRead; - int totalBytesRead = 0; - - if (readAsync) - { - bytesRead = await source.ReadAsync(array, 0, array.Length, cancellationToken).ConfigureAwait(false); - } - else - { - bytesRead = source.Read(array, 0, array.Length); - } - - while (bytesRead != 0) - { - var bytesToWrite = bytesRead; - - if (bytesToWrite > 0) - { - await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false); - - _bytesWritten += bytesRead; - totalBytesRead += bytesRead; - - if (_job != null) - { - _job.BytesDownloaded = Math.Max(_job.BytesDownloaded ?? _bytesWritten, _bytesWritten); - } - } - - if (readAsync) - { - bytesRead = await source.ReadAsync(array, 0, array.Length, cancellationToken).ConfigureAwait(false); - } - else - { - bytesRead = source.Read(array, 0, array.Length); - } - } - - return totalBytesRead; - } - finally - { - ArrayPool<byte>.Shared.Return(array); - } - } - } -} |