jellyfin/MediaBrowser.Server.Implementations/Sync/MediaSync.cs
Luke Pulverenti 5965afecde live tv fix
2015-03-31 14:50:08 -04:00

459 lines
17 KiB
C#

using System.Globalization;
using MediaBrowser.Common.IO;
using MediaBrowser.Common.Progress;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Sync;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.Sync;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.Sync
{
public class MediaSync
{
private readonly ISyncManager _syncManager;
private readonly IServerApplicationHost _appHost;
private readonly ILogger _logger;
private readonly IFileSystem _fileSystem;
public MediaSync(ILogger logger, ISyncManager syncManager, IServerApplicationHost appHost, IFileSystem fileSystem)
{
_logger = logger;
_syncManager = syncManager;
_appHost = appHost;
_fileSystem = fileSystem;
}
public async Task Sync(IServerSyncProvider provider,
ISyncDataProvider dataProvider,
SyncTarget target,
IProgress<double> progress,
CancellationToken cancellationToken)
{
var serverId = _appHost.SystemId;
var serverName = _appHost.FriendlyName;
await SyncData(provider, dataProvider, serverId, target, cancellationToken).ConfigureAwait(false);
progress.Report(3);
var innerProgress = new ActionableProgress<double>();
innerProgress.RegisterAction(pct =>
{
var totalProgress = pct * .97;
totalProgress += 1;
progress.Report(totalProgress);
});
await GetNewMedia(provider, dataProvider, target, serverId, serverName, innerProgress, cancellationToken);
// Do the data sync twice so the server knows what was removed from the device
await SyncData(provider, dataProvider, serverId, target, cancellationToken).ConfigureAwait(false);
progress.Report(100);
}
private async Task SyncData(IServerSyncProvider provider,
ISyncDataProvider dataProvider,
string serverId,
SyncTarget target,
CancellationToken cancellationToken)
{
var jobItemIds = await dataProvider.GetSyncJobItemIds(target, serverId).ConfigureAwait(false);
var result = await _syncManager.SyncData(new SyncDataRequest
{
TargetId = target.Id,
SyncJobItemIds = jobItemIds
}).ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested();
foreach (var itemIdToRemove in result.ItemIdsToRemove)
{
try
{
await RemoveItem(provider, dataProvider, serverId, itemIdToRemove, target, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error deleting item from device. Id: {0}", ex, itemIdToRemove);
}
}
}
private async Task GetNewMedia(IServerSyncProvider provider,
ISyncDataProvider dataProvider,
SyncTarget target,
string serverId,
string serverName,
IProgress<double> progress,
CancellationToken cancellationToken)
{
var jobItems = await _syncManager.GetReadySyncItems(target.Id).ConfigureAwait(false);
var numComplete = 0;
double startingPercent = 0;
double percentPerItem = 1;
if (jobItems.Count > 0)
{
percentPerItem /= jobItems.Count;
}
foreach (var jobItem in jobItems)
{
cancellationToken.ThrowIfCancellationRequested();
var currentPercent = startingPercent;
var innerProgress = new ActionableProgress<double>();
innerProgress.RegisterAction(pct =>
{
var totalProgress = pct * percentPerItem;
totalProgress += currentPercent;
progress.Report(totalProgress);
});
await GetItem(provider, dataProvider, target, serverId, serverName, jobItem, innerProgress, cancellationToken).ConfigureAwait(false);
numComplete++;
startingPercent = numComplete;
startingPercent /= jobItems.Count;
startingPercent *= 100;
progress.Report(startingPercent);
}
}
private async Task GetItem(IServerSyncProvider provider,
ISyncDataProvider dataProvider,
SyncTarget target,
string serverId,
string serverName,
SyncedItem jobItem,
IProgress<double> progress,
CancellationToken cancellationToken)
{
var libraryItem = jobItem.Item;
var internalSyncJobItem = _syncManager.GetJobItem(jobItem.SyncJobItemId);
var internalSyncJob = _syncManager.GetJob(jobItem.SyncJobId);
var localItem = CreateLocalItem(provider, jobItem, internalSyncJob, target, libraryItem, serverId, serverName, jobItem.OriginalFileName);
await _syncManager.ReportSyncJobItemTransferBeginning(internalSyncJobItem.Id);
var transferSuccess = false;
Exception transferException = null;
try
{
var fileTransferProgress = new ActionableProgress<double>();
fileTransferProgress.RegisterAction(pct => progress.Report(pct * .92));
var sendFileResult = await SendFile(provider, internalSyncJobItem.OutputPath, localItem.LocalPath, target, fileTransferProgress, cancellationToken).ConfigureAwait(false);
if (localItem.Item.MediaSources != null)
{
var mediaSource = localItem.Item.MediaSources.FirstOrDefault();
if (mediaSource != null)
{
mediaSource.Path = sendFileResult.Path;
mediaSource.Protocol = sendFileResult.Protocol;
mediaSource.RequiredHttpHeaders = sendFileResult.RequiredHttpHeaders;
mediaSource.SupportsTranscoding = false;
}
}
// Create db record
await dataProvider.AddOrUpdate(target, localItem).ConfigureAwait(false);
if (localItem.Item.MediaSources != null)
{
var mediaSource = localItem.Item.MediaSources.FirstOrDefault();
if (mediaSource != null)
{
await SendSubtitles(localItem, mediaSource, provider, dataProvider, target, cancellationToken).ConfigureAwait(false);
}
}
progress.Report(92);
transferSuccess = true;
progress.Report(99);
}
catch (Exception ex)
{
_logger.ErrorException("Error transferring sync job file", ex);
transferException = ex;
}
if (transferSuccess)
{
await _syncManager.ReportSyncJobItemTransferred(jobItem.SyncJobItemId).ConfigureAwait(false);
}
else
{
await _syncManager.ReportSyncJobItemTransferFailed(jobItem.SyncJobItemId).ConfigureAwait(false);
throw transferException;
}
}
private async Task SendSubtitles(LocalItem localItem, MediaSourceInfo mediaSource, IServerSyncProvider provider, ISyncDataProvider dataProvider, SyncTarget target, CancellationToken cancellationToken)
{
var failedSubtitles = new List<MediaStream>();
var requiresSave = false;
foreach (var mediaStream in mediaSource.MediaStreams
.Where(i => i.Type == MediaStreamType.Subtitle && i.IsExternal)
.ToList())
{
try
{
var remotePath = GetRemoteSubtitlePath(localItem, mediaStream, provider, target);
var sendFileResult = await SendFile(provider, mediaStream.Path, remotePath, target, new Progress<double>(), cancellationToken).ConfigureAwait(false);
// This is the path that will be used when talking to the provider
mediaStream.ExternalId = remotePath;
// Keep track of all additional files for cleanup later.
localItem.AdditionalFiles.Add(remotePath);
// This is the public path clients will use
mediaStream.Path = sendFileResult.Path;
requiresSave = true;
}
catch (Exception ex)
{
_logger.ErrorException("Error sending subtitle stream", ex);
failedSubtitles.Add(mediaStream);
}
}
if (failedSubtitles.Count > 0)
{
mediaSource.MediaStreams = mediaSource.MediaStreams.Except(failedSubtitles).ToList();
requiresSave = true;
}
if (requiresSave)
{
await dataProvider.AddOrUpdate(target, localItem).ConfigureAwait(false);
}
}
private string GetRemoteSubtitlePath(LocalItem item, MediaStream stream, IServerSyncProvider provider, SyncTarget target)
{
var path = item.LocalPath;
var filename = GetSubtitleSaveFileName(item, stream.Language, stream.IsForced) + "." + stream.Codec.ToLower();
var parentPath = provider.GetParentDirectoryPath(path, target);
path = Path.Combine(parentPath, filename);
return path;
}
private string GetSubtitleSaveFileName(LocalItem item, string language, bool isForced)
{
var path = item.LocalPath;
var name = Path.GetFileNameWithoutExtension(path);
if (!string.IsNullOrWhiteSpace(language))
{
name += "." + language.ToLower();
}
if (isForced)
{
name += ".foreign";
}
return name;
}
private async Task RemoveItem(IServerSyncProvider provider,
ISyncDataProvider dataProvider,
string serverId,
string syncJobItemId,
SyncTarget target,
CancellationToken cancellationToken)
{
var localItems = await dataProvider.GetCachedItemsBySyncJobItemId(target, serverId, syncJobItemId);
foreach (var localItem in localItems)
{
var files = localItem.AdditionalFiles.ToList();
files.Insert(0, localItem.LocalPath);
foreach (var file in files)
{
_logger.Debug("Removing {0} from {1}.", file, target.Name);
await provider.DeleteFile(file, target, cancellationToken).ConfigureAwait(false);
}
await dataProvider.Delete(target, localItem.Id).ConfigureAwait(false);
}
}
private async Task<SyncedFileInfo> SendFile(IServerSyncProvider provider, string inputPath, string remotePath, SyncTarget target, IProgress<double> progress, CancellationToken cancellationToken)
{
_logger.Debug("Sending {0} to {1}. Remote path: {2}", inputPath, provider.Name, remotePath);
using (var stream = _fileSystem.GetFileStream(inputPath, FileMode.Open, FileAccess.Read, FileShare.Read, true))
{
return await provider.SendFile(stream, remotePath, target, progress, cancellationToken).ConfigureAwait(false);
}
}
private static string GetLocalId(string jobItemId, string itemId)
{
var bytes = Encoding.UTF8.GetBytes(jobItemId + itemId);
bytes = CreateMd5(bytes);
return BitConverter.ToString(bytes, 0, bytes.Length).Replace("-", string.Empty);
}
private static byte[] CreateMd5(byte[] value)
{
using (var provider = MD5.Create())
{
return provider.ComputeHash(value);
}
}
public LocalItem CreateLocalItem(IServerSyncProvider provider, SyncedItem syncedItem, SyncJob job, SyncTarget target, BaseItemDto libraryItem, string serverId, string serverName, string originalFileName)
{
var path = GetDirectoryPath(provider, job, syncedItem, libraryItem, serverName);
path.Add(GetLocalFileName(provider, libraryItem, originalFileName));
var localPath = provider.GetFullPath(path, target);
foreach (var mediaSource in libraryItem.MediaSources)
{
mediaSource.Path = localPath;
mediaSource.Protocol = MediaProtocol.File;
}
return new LocalItem
{
Item = libraryItem,
ItemId = libraryItem.Id,
ServerId = serverId,
LocalPath = localPath,
Id = GetLocalId(syncedItem.SyncJobItemId, libraryItem.Id),
SyncJobItemId = syncedItem.SyncJobItemId
};
}
private List<string> GetDirectoryPath(IServerSyncProvider provider, SyncJob job, SyncedItem syncedItem, BaseItemDto item, string serverName)
{
var parts = new List<string>
{
serverName
};
var profileOption = _syncManager.GetProfileOptions(job.TargetId)
.FirstOrDefault(i => string.Equals(i.Id, job.Profile, StringComparison.OrdinalIgnoreCase));
string name;
if (profileOption != null && !string.IsNullOrWhiteSpace(profileOption.Name))
{
name = profileOption.Name;
if (job.Bitrate.HasValue)
{
name += "-" + job.Bitrate.Value.ToString(CultureInfo.InvariantCulture);
}
else
{
var qualityOption = _syncManager.GetQualityOptions(job.TargetId)
.FirstOrDefault(i => string.Equals(i.Id, job.Quality, StringComparison.OrdinalIgnoreCase));
if (qualityOption != null && !string.IsNullOrWhiteSpace(qualityOption.Name))
{
name += "-" + qualityOption.Name;
}
}
}
else
{
name = syncedItem.SyncJobName + "-" + syncedItem.SyncJobDateCreated
.ToLocalTime()
.ToString("g")
.Replace(" ", "-");
}
name = GetValidFilename(provider, name);
parts.Add(name);
if (item.IsType("episode"))
{
parts.Add("TV");
if (!string.IsNullOrWhiteSpace(item.SeriesName))
{
parts.Add(item.SeriesName);
}
}
else if (item.IsVideo)
{
parts.Add("Videos");
parts.Add(item.Name);
}
else if (item.IsAudio)
{
parts.Add("Music");
if (!string.IsNullOrWhiteSpace(item.AlbumArtist))
{
parts.Add(item.AlbumArtist);
}
if (!string.IsNullOrWhiteSpace(item.Album))
{
parts.Add(item.Album);
}
}
else if (string.Equals(item.MediaType, MediaType.Photo, StringComparison.OrdinalIgnoreCase))
{
parts.Add("Photos");
if (!string.IsNullOrWhiteSpace(item.Album))
{
parts.Add(item.Album);
}
}
return parts.Select(i => GetValidFilename(provider, i)).ToList();
}
private string GetLocalFileName(IServerSyncProvider provider, BaseItemDto item, string originalFileName)
{
var filename = originalFileName;
if (string.IsNullOrWhiteSpace(filename))
{
filename = item.Name;
}
return GetValidFilename(provider, filename);
}
private string GetValidFilename(IServerSyncProvider provider, string filename)
{
// We can always add this method to the sync provider if it's really needed
return _fileSystem.GetValidFilename(filename);
}
}
}