/// <summary>
/// Helper method which simulates a user navigation under this view specification to the given <paramref name="targetPath"/>
/// under the given <paramref name="localShare"/>.
/// </summary>
/// <param name="localShare">Client or server share which is located at the local system.</param>
/// <param name="targetPath">Resource path to navigate to. This path must be located under the given <paramref name="localShare"/>'s base path.</param>
/// <param name="navigateToViewDlgt">Callback which will be called for each view specification to navigate to to do the actual navigation.</param>
public void Navigate(Share localShare, ResourcePath targetPath, NavigateToViewDlgt navigateToViewDlgt)
{
NavigateToLocalRootView(localShare, navigateToViewDlgt);
IResourceAccessor startRA;
if (!localShare.BaseResourcePath.TryCreateLocalResourceAccessor(out startRA))
{
return;
}
IFileSystemResourceAccessor current = startRA as IFileSystemResourceAccessor;
if (current == null)
{
// Wrong path resource, cannot navigate. Should not happen if the share is based on a filesystem resource,
// but might happen if we have found a non-standard share.
startRA.Dispose();
return;
}
while (true)
{
ICollection <IFileSystemResourceAccessor> children = FileSystemResourceNavigator.GetChildDirectories(current, false);
current.Dispose();
current = null;
if (children != null)
{
foreach (IFileSystemResourceAccessor childDirectory in children)
{
using (childDirectory)
{
if (childDirectory.CanonicalLocalResourcePath.IsSameOrParentOf(targetPath))
{
current = childDirectory;
break;
}
}
}
}
if (current == null)
{
break;
}
ViewSpecification newVS = NavigateCreateViewSpecification(localShare.SystemId, current);
if (newVS == null)
{
current.Dispose();
return;
}
navigateToViewDlgt(newVS);
}
}
protected override void FreeData()
{
_texture = null;
_stream.Close();
_resourceAccessor.Dispose();
base.FreeData();
}
public virtual void Dispose()
{
if (_accessor != null)
{
_accessor.Dispose();
}
}
/// <summary>
/// Returns a resource accessor instance of interface <see cref="ILocalFsResourceAccessor"/>. This instance will return the
/// given <paramref name="baseResourceAccessor"/>, casted to <see cref="ILocalFsResourceAccessor"/> if possible, or
/// a new instance of <see cref="StreamedResourceToLocalFsAccessBridge"/> to provide the <see cref="ILocalFsResourceAccessor"/>
/// instance.
/// </summary>
/// <remarks>
/// The ownership of the given <paramref name="baseResourceAccessor"/> is transferred from the caller to the returned
/// result value. That means, if this method succeeds, the caller must dispose the result value, it must not dispose
/// the given <paramref name="baseResourceAccessor"/> any more.
/// </remarks>
/// <param name="baseResourceAccessor">Resource accessor which is used to provide the resource contents.</param>
/// <param name="path">Relative path based on the given baseResourceAccessor.</param>
/// <returns>Resource accessor which implements <see cref="ILocalFsResourceAccessor"/>.</returns>
public static ILocalFsResourceAccessor GetLocalFsResourceAccessor(IFileSystemResourceAccessor baseResourceAccessor, string path)
{
// Try to get an ILocalFsResourceAccessor
ILocalFsResourceAccessor result = baseResourceAccessor as ILocalFsResourceAccessor;
if (result != null)
{
// Simple case: The media item is located in the local file system or the resource provider returns
// an ILocalFsResourceAccessor from elsewhere - simply return it
return(result);
}
// Set up a resource bridge mapping the remote or complex resource to a local file or directory
string key = baseResourceAccessor.CanonicalLocalResourcePath.Serialize();
MountingDataProxy md;
bool dispose = false;
lock (_syncObj)
{
if (_activeMounts.TryGetValue(key, out md))
{
// Base accessor not needed - we use our cached accessor
dispose = true;
}
else
{
_activeMounts.Add(key, md = CreateMountingDataProxy(key, baseResourceAccessor));
}
}
if (dispose)
{
baseResourceAccessor.Dispose();
}
return(new StreamedResourceToLocalFsAccessBridge(md, path));
}
public IFileSystemResourceAccessor GetResource(string path)
{
IFileSystemResourceAccessor ra = (IFileSystemResourceAccessor)_mountingDataProxy.ResourceAccessor.Clone();
try
{
return(GetLocalFsResourceAccessor(ra, ProviderPathHelper.Combine(_path, path)));
}
catch
{
ra.Dispose();
throw;
}
}
public void Dispose()
{
try
{
if (_resourceAccessor != null)
{
_resourceAccessor.Dispose();
}
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("PendingImportResource: Could not dispose resource", e);
}
}
public void Dispose()
{
if (_baseAccessor == null)
{
// Already disposed
return;
}
if (!UnmountResource())
{
// The ownership was transferred to the resource mounting service, so if unmounting was succesful, we must not dispose our base accessor
_baseAccessor.Dispose();
}
_baseAccessor = null;
}
public void Dispose()
{
_parentImportJobController.UnregisterPendingImportResource(this);
try
{
if (_resourceAccessor != null)
{
_resourceAccessor.Dispose();
_resourceAccessor = null;
}
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("PendingImportResource: Could not dispose resource", e);
}
}
public virtual void Dispose()
{
foreach (FileHandle handle in _fileHandles)
{
handle.Cleanup();
}
if (_resourceAccessor != null)
{
try
{
_resourceAccessor.Dispose();
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("Dokan virtual filesystem resource: Error disposing resource accessor '{0}'", e, _resourceAccessor);
}
}
_resourceAccessor = null;
}
public void Dispose()
{
foreach (string tempFilePath in _tempFilePaths.Values)
{
try
{
File.Delete(tempFilePath);
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Warn("ZipResourceProxy: Unable to delete temp file '{0}'", e, tempFilePath);
}
}
_tempFilePaths.Clear();
CloseZipFile();
if (_zipFileResourceAccessor != null)
{
_zipFileResourceAccessor.Dispose();
_zipFileResourceAccessor = null;
}
}
/// <summary>
/// Creates a new <see cref="LocalFsResourceAccessor"/> instance. The given <paramref name="mediaItemAccessor"/> will be either directly used or
/// given over to the <see cref="StreamedResourceToLocalFsAccessBridge"/>. The caller must call <see cref="Dispose"/> on the created <see cref="LocalFsResourceAccessorHelper"/>
/// instance but must not dispose the given <paramref name="mediaItemAccessor"/>.
/// </summary>
/// <param name="mediaItemAccessor">IResourceAccessor.</param>
public LocalFsResourceAccessorHelper(IResourceAccessor mediaItemAccessor)
{
_localFsra = mediaItemAccessor as ILocalFsResourceAccessor;
_disposeLfsra = null;
if (_localFsra != null)
{
return;
}
IFileSystemResourceAccessor localFsra = (IFileSystemResourceAccessor)mediaItemAccessor.Clone();
try
{
_localFsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(localFsra);
_disposeLfsra = _localFsra;
}
catch (Exception)
{
localFsra.Dispose();
throw;
}
}
public void Dispose()
{
if (_diskFileSystem != null)
{
IDisposable d = _diskFileSystem as IDisposable;
if (d != null)
{
d.Dispose();
}
_diskFileSystem = null;
}
if (_underlayingStream != null)
{
_underlayingStream.Dispose();
_underlayingStream = null;
}
if (_isoFileResourceAccessor != null)
{
_isoFileResourceAccessor.Dispose();
_isoFileResourceAccessor = null;
}
}
public void Dispose()
{
_resourceAccessor.Dispose();
_resourceAccessor = null;
}
/// <summary>
/// Returns a resource accessor instance of interface <see cref="ILocalFsResourceAccessor"/>. This instance will return the
/// given <paramref name="baseResourceAccessor"/>, casted to <see cref="ILocalFsResourceAccessor"/> if possible, or
/// a new instance of <see cref="StreamedResourceToLocalFsAccessBridge"/> to provide the <see cref="ILocalFsResourceAccessor"/>
/// instance.
/// </summary>
/// <remarks>
/// The ownership of the given <paramref name="baseResourceAccessor"/> is transferred from the caller to the returned
/// result value. That means, if this method succeeds, the caller must dispose the result value, it must not dispose
/// the given <paramref name="baseResourceAccessor"/> any more.
/// </remarks>
/// <param name="baseResourceAccessor">Resource accessor which is used to provide the resource contents.</param>
/// <param name="path">Relative path based on the given baseResourceAccessor.</param>
/// <returns>Resource accessor which implements <see cref="ILocalFsResourceAccessor"/>.</returns>
public static ILocalFsResourceAccessor GetLocalFsResourceAccessor(IFileSystemResourceAccessor baseResourceAccessor, string path)
{
// Try to get an ILocalFsResourceAccessor
ILocalFsResourceAccessor result = baseResourceAccessor as ILocalFsResourceAccessor;
if (result != null)
// Simple case: The media item is located in the local file system or the resource provider returns
// an ILocalFsResourceAccessor from elsewhere - simply return it
return result;
// Set up a resource bridge mapping the remote or complex resource to a local file or directory
string key = baseResourceAccessor.CanonicalLocalResourcePath.Serialize();
MountingDataProxy md;
bool dispose = false;
lock (_syncObj)
{
if (_activeMounts.TryGetValue(key, out md))
// Base accessor not needed - we use our cached accessor
dispose = true;
else
_activeMounts.Add(key, md = CreateMountingDataProxy(key, baseResourceAccessor));
}
if (dispose)
baseResourceAccessor.Dispose();
return new StreamedResourceToLocalFsAccessBridge(md, path);
}
public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary <Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
{
try
{
VideoResult result = null;
IFileSystemResourceAccessor fsra = mediaItemAccessor as IFileSystemResourceAccessor;
if (fsra == null)
{
return(false);
}
if (!fsra.IsFile && fsra.ResourceExists("VIDEO_TS"))
{
IFileSystemResourceAccessor fsraVideoTs = fsra.GetResource("VIDEO_TS");
if (fsraVideoTs != null && fsraVideoTs.ResourceExists("VIDEO_TS.IFO"))
{
// Video DVD
using (MediaInfoWrapper videoTsInfo = ReadMediaInfo(fsraVideoTs.GetResource("VIDEO_TS.IFO")))
{
if (!videoTsInfo.IsValid || videoTsInfo.GetVideoCount() == 0)
{
return(false); // Invalid video_ts.ifo file
}
result = VideoResult.CreateDVDInfo(fsra.ResourceName, videoTsInfo);
}
// Iterate over all video files; MediaInfo finds different audio/video metadata for each .ifo file
ICollection <IFileSystemResourceAccessor> files = fsraVideoTs.GetFiles();
if (files != null)
{
foreach (IFileSystemResourceAccessor file in files)
{
string lowerPath = (file.ResourcePathName ?? string.Empty).ToLowerInvariant();
if (!lowerPath.EndsWith(".ifo") || lowerPath.EndsWith("video_ts.ifo"))
{
continue;
}
using (MediaInfoWrapper mediaInfo = ReadMediaInfo(file))
{
// Before we start evaluating the file, check if it is a video at all
if (mediaInfo.IsValid && mediaInfo.GetVideoCount() == 0)
{
continue;
}
result.AddMediaInfo(mediaInfo);
}
}
}
}
}
else if (fsra.IsFile)
{
string filePath = fsra.ResourcePathName;
if (!HasVideoExtension(filePath))
{
return(false);
}
using (MediaInfoWrapper fileInfo = ReadMediaInfo(fsra))
{
// Before we start evaluating the file, check if it is a video at all
if (!fileInfo.IsValid || (fileInfo.GetVideoCount() == 0 && !IsWorkaroundRequired(filePath)))
{
return(false);
}
string mediaTitle = DosPathHelper.GetFileNameWithoutExtension(fsra.ResourceName);
result = VideoResult.CreateFileInfo(mediaTitle, fileInfo);
}
using (Stream stream = fsra.OpenRead())
result.MimeType = MimeTypeDetector.GetMimeType(stream, DEFAULT_MIMETYPE);
}
if (result != null)
{
result.UpdateMetadata(extractedAspectData);
ILocalFsResourceAccessor disposeLfsra = null;
try
{
ILocalFsResourceAccessor lfsra = fsra as ILocalFsResourceAccessor;
if (lfsra == null && !forceQuickMode)
{ // In case forceQuickMode, we only want local browsing
IFileSystemResourceAccessor localFsra = (IFileSystemResourceAccessor)fsra.Clone();
try
{
lfsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(localFsra);
disposeLfsra = lfsra; // Remember to dispose the extra resource accessor instance
}
catch (Exception)
{
localFsra.Dispose();
}
}
if (lfsra != null)
{
string localFsPath = lfsra.LocalFileSystemPath;
ExtractMatroskaTags(localFsPath, extractedAspectData, forceQuickMode);
ExtractMp4Tags(localFsPath, extractedAspectData, forceQuickMode);
ExtractThumbnailData(localFsPath, extractedAspectData, forceQuickMode);
}
}
finally
{
if (disposeLfsra != null)
{
disposeLfsra.Dispose();
}
}
return(true);
}
}
catch (Exception e)
{
// Only log at the info level here - And simply return false. This lets the caller know that we
// couldn't perform our task here.
ServiceRegistration.Get <ILogger>().Info("VideoMetadataExtractor: Exception reading resource '{0}' (Text: '{1}')", mediaItemAccessor.CanonicalLocalResourcePath, e.Message);
}
return(false);
}
