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Reduce the amount of exceptions thrown

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This commit is contained in:
Bond_009 2019-02-24 15:47:59 +01:00 committed by Bond-009
parent 10a0d6bdba
commit 37ea50a572
13 changed files with 632 additions and 82 deletions
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9
Emby.Dlna/PlayTo/Device.cs
View File

@ -1126,6 +1126,11 @@ namespace Emby.Dlna.PlayTo
private void OnPlaybackStart(uBaseObject mediaInfo)
{
if (string.IsNullOrWhiteSpace(mediaInfo.Url))
{
return;
}
PlaybackStart?.Invoke(this, new PlaybackStartEventArgs
{
MediaInfo = mediaInfo
@ -1134,8 +1139,7 @@ namespace Emby.Dlna.PlayTo
private void OnPlaybackProgress(uBaseObject mediaInfo)
{
var mediaUrl = mediaInfo.Url;
if (string.IsNullOrWhiteSpace(mediaUrl))
if (string.IsNullOrWhiteSpace(mediaInfo.Url))
{
return;
}
@ -1148,7 +1152,6 @@ namespace Emby.Dlna.PlayTo
private void OnPlaybackStop(uBaseObject mediaInfo)
{
PlaybackStopped?.Invoke(this, new PlaybackStoppedEventArgs
{
MediaInfo = mediaInfo

2
Emby.Server.Implementations/Diagnostics/CommonProcess.cs
View File

@ -130,7 +130,7 @@ namespace Emby.Server.Implementations.Diagnostics
public void Dispose()
{
_process.Dispose();
_process?.Dispose();
}
}
}

27
Emby.Server.Implementations/Library/LibraryManager.cs
View File

@ -278,6 +278,7 @@ namespace Emby.Server.Implementations.Library
{
throw new ArgumentNullException(nameof(item));
}
if (item is IItemByName)
{
if (!(item is MusicArtist))
@ -285,18 +286,7 @@ namespace Emby.Server.Implementations.Library
return;
}
}
else if (item.IsFolder)
{
//if (!(item is ICollectionFolder) && !(item is UserView) && !(item is Channel) && !(item is AggregateFolder))
//{
// if (item.SourceType != SourceType.Library)
// {
// return;
// }
//}
}
else
else if (!item.IsFolder)
{
if (!(item is Video) && !(item is LiveTvChannel))
{
@ -371,19 +361,20 @@ namespace Emby.Server.Implementations.Library
foreach (var metadataPath in GetMetadataPaths(item, children))
{
_logger.LogDebug("Deleting path {0}", metadataPath);
if (!Directory.Exists(metadataPath))
{
continue;
}
_logger.LogDebug("Deleting path {MetadataPath}", metadataPath);
try
{
Directory.Delete(metadataPath, true);
}
catch (IOException)
{
}
catch (Exception ex)
{
_logger.LogError(ex, "Error deleting {metadataPath}", metadataPath);
_logger.LogError(ex, "Error deleting {MetadataPath}", metadataPath);
}
}

4
Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
View File

@ -105,8 +105,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
_mediaSourceManager = mediaSourceManager;
_streamHelper = streamHelper;
_seriesTimerProvider = new SeriesTimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "seriestimers"));
_timerProvider = new TimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "timers"), _logger);
_seriesTimerProvider = new SeriesTimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "seriestimers.json"));
_timerProvider = new TimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "timers.json"), _logger);
_timerProvider.TimerFired += _timerProvider_TimerFired;
_config.NamedConfigurationUpdated += _config_NamedConfigurationUpdated;

26
Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
View File

@ -2,7 +2,6 @@ using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Serialization;
using Microsoft.Extensions.Logging;
@ -32,32 +31,28 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
{
if (_items == null)
{
if (!File.Exists(_dataPath))
{
return new List<T>();
}
Logger.LogInformation("Loading live tv data from {0}", _dataPath);
_items = GetItemsFromFile(_dataPath);
}
return _items.ToList();
}
}
private List<T> GetItemsFromFile(string path)
{
var jsonFile = path + ".json";
if (!File.Exists(jsonFile))
{
return new List<T>();
}
try
{
return _jsonSerializer.DeserializeFromFile<List<T>>(jsonFile) ?? new List<T>();
}
catch (IOException)
{
return _jsonSerializer.DeserializeFromFile<List<T>>(path);
}
catch (Exception ex)
{
Logger.LogError(ex, "Error deserializing {jsonFile}", jsonFile);
Logger.LogError(ex, "Error deserializing {Path}", path);
}
return new List<T>();
@ -70,12 +65,11 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
throw new ArgumentNullException(nameof(newList));
}
var file = _dataPath + ".json";
Directory.CreateDirectory(Path.GetDirectoryName(file));
Directory.CreateDirectory(Path.GetDirectoryName(_dataPath));
lock (_fileDataLock)
{
_jsonSerializer.SerializeToFile(newList, file);
_jsonSerializer.SerializeToFile(newList, _dataPath);
_items = newList;
}
}

4
Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
View File

@ -202,6 +202,10 @@ namespace Emby.Server.Implementations.MediaEncoder
private static List<string> GetSavedChapterImages(Video video, IDirectoryService directoryService)
{
var path = GetChapterImagesPath(video);
if (!Directory.Exists(path))
{
return new List<string>();
}
try
{

5
MediaBrowser.Api/ApiEntryPoint.cs
View File

@ -172,6 +172,11 @@ namespace MediaBrowser.Api
{
var path = _config.ApplicationPaths.GetTranscodingTempPath();
if (!Directory.Exists(path))
{
return;
}
foreach (var file in _fileSystem.GetFilePaths(path, true))
{
_fileSystem.DeleteFile(file);

2
MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
View File

@ -74,7 +74,7 @@ namespace MediaBrowser.Controller.MediaEncoding
/// <param name="inputFiles">The input files.</param>
/// <param name="protocol">The protocol.</param>
/// <returns>System.String.</returns>
string GetInputArgument(string[] inputFiles, MediaProtocol protocol);
string GetInputArgument(IReadOnlyList<string> inputFiles, MediaProtocol protocol);
/// <summary>
/// Gets the time parameter.

16
MediaBrowser.LocalMetadata/Images/InternalMetadataFolderImageProvider.cs
View File

@ -5,6 +5,7 @@ using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.IO;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.LocalMetadata.Images
{
@ -12,11 +13,16 @@ namespace MediaBrowser.LocalMetadata.Images
{
private readonly IServerConfigurationManager _config;
private readonly IFileSystem _fileSystem;
private readonly ILogger _logger;
public InternalMetadataFolderImageProvider(IServerConfigurationManager config, IFileSystem fileSystem)
public InternalMetadataFolderImageProvider(
IServerConfigurationManager config,
IFileSystem fileSystem,
ILogger<InternalMetadataFolderImageProvider> logger)
{
_config = config;
_fileSystem = fileSystem;
_logger = logger;
}
public string Name => "Internal Images";
@ -53,12 +59,18 @@ namespace MediaBrowser.LocalMetadata.Images
{
var path = item.GetInternalMetadataPath();
if (!Directory.Exists(path))
{
return new List<LocalImageInfo>();
}
try
{
return new LocalImageProvider(_fileSystem).GetImages(item, path, false, directoryService);
}
catch (IOException)
catch (IOException ex)
{
_logger.LogError(ex, "Error while getting images for {Library}", item.Name);
return new List<LocalImageInfo>();
}
}

6
MediaBrowser.MediaEncoding/Encoder/EncodingUtils.cs
View File

@ -6,11 +6,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
{
public static class EncodingUtils
{
public static string GetInputArgument(List<string> inputFiles, MediaProtocol protocol)
public static string GetInputArgument(IReadOnlyList<string> inputFiles, MediaProtocol protocol)
{
if (protocol != MediaProtocol.File)
{
var url = inputFiles.First();
var url = inputFiles[0];
return string.Format("\"{0}\"", url);
}
@ -29,7 +29,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
// If there's more than one we'll need to use the concat command
if (inputFiles.Count > 1)
{
var files = string.Join("|", inputFiles.Select(NormalizePath).ToArray());
var files = string.Join("|", inputFiles.Select(NormalizePath));
return string.Format("concat:\"{0}\"", files);
}

68
MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
View File

@ -334,10 +334,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
/// <param name="protocol">The protocol.</param>
/// <returns>System.String.</returns>
/// <exception cref="ArgumentException">Unrecognized InputType</exception>
public string GetInputArgument(string[] inputFiles, MediaProtocol protocol)
{
return EncodingUtils.GetInputArgument(inputFiles.ToList(), protocol);
}
public string GetInputArgument(IReadOnlyList<string> inputFiles, MediaProtocol protocol)
=> EncodingUtils.GetInputArgument(inputFiles, protocol);
/// <summary>
/// Gets the media info internal.
@ -354,8 +352,9 @@ namespace MediaBrowser.MediaEncoding.Encoder
CancellationToken cancellationToken)
{
var args = extractChapters
? "{0} -i {1} -threads 0 -v info -print_format json -show_streams -show_chapters -show_format"
: "{0} -i {1} -threads 0 -v info -print_format json -show_streams -show_format";
? "{0} -i {1} -threads 0 -v warning -print_format json -show_streams -show_chapters -show_format"
: "{0} -i {1} -threads 0 -v warning -print_format json -show_streams -show_format";
args = string.Format(args, probeSizeArgument, inputPath).Trim();
var process = _processFactory.Create(new ProcessOptions
{
@ -364,8 +363,10 @@ namespace MediaBrowser.MediaEncoding.Encoder
// Must consume both or ffmpeg may hang due to deadlocks. See comments below.
RedirectStandardOutput = true,
FileName = FFprobePath,
Arguments = string.Format(args, probeSizeArgument, inputPath).Trim(),
Arguments = args,
IsHidden = true,
ErrorDialog = false,
@ -383,36 +384,13 @@ namespace MediaBrowser.MediaEncoding.Encoder
using (var processWrapper = new ProcessWrapper(process, this, _logger))
{
_logger.LogDebug("Starting ffprobe with args {Args}", args);
StartProcess(processWrapper);
InternalMediaInfoResult result;
try
{
//process.BeginErrorReadLine();
var result = await _jsonSerializer.DeserializeFromStreamAsync<InternalMediaInfoResult>(process.StandardOutput.BaseStream).ConfigureAwait(false);
if (result == null || (result.streams == null && result.format == null))
{
throw new Exception("ffprobe failed - streams and format are both null.");
}
if (result.streams != null)
{
// Normalize aspect ratio if invalid
foreach (var stream in result.streams)
{
if (string.Equals(stream.display_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase))
{
stream.display_aspect_ratio = string.Empty;
}
if (string.Equals(stream.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase))
{
stream.sample_aspect_ratio = string.Empty;
}
}
}
return new ProbeResultNormalizer(_logger, FileSystem).GetMediaInfo(result, videoType, isAudio, primaryPath, protocol);
result = await _jsonSerializer.DeserializeFromStreamAsync<InternalMediaInfoResult>(process.StandardOutput.BaseStream).ConfigureAwait(false);
}
catch
{
@ -420,6 +398,30 @@ namespace MediaBrowser.MediaEncoding.Encoder
throw;
}
if (result == null || (result.streams == null && result.format == null))
{
throw new Exception("ffprobe failed - streams and format are both null.");
}
if (result.streams != null)
{
// Normalize aspect ratio if invalid
foreach (var stream in result.streams)
{
if (string.Equals(stream.display_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase))
{
stream.display_aspect_ratio = string.Empty;
}
if (string.Equals(stream.sample_aspect_ratio, "0:1", StringComparison.OrdinalIgnoreCase))
{
stream.sample_aspect_ratio = string.Empty;
}
}
}
return new ProbeResultNormalizer(_logger, FileSystem).GetMediaInfo(result, videoType, isAudio, primaryPath, protocol);
}
}

13
MediaBrowser.Providers/MediaInfo/SubtitleResolver.cs
View File

@ -16,7 +16,7 @@ namespace MediaBrowser.Providers.MediaInfo
private readonly ILocalizationManager _localization;
private readonly IFileSystem _fileSystem;
private string[] SubtitleExtensions = new[]
private static readonly HashSet<string> SubtitleExtensions = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
{
".srt",
".ssa",
@ -49,9 +49,16 @@ namespace MediaBrowser.Providers.MediaInfo
startIndex += streams.Count;
string folder = video.GetInternalMetadataPath();
if (!Directory.Exists(folder))
{
return streams;
}
try
{
AddExternalSubtitleStreams(streams, video.GetInternalMetadataPath(), video.Path, startIndex, directoryService, clearCache);
AddExternalSubtitleStreams(streams, folder, video.Path, startIndex, directoryService, clearCache);
}
catch (IOException)
{
@ -105,7 +112,7 @@ namespace MediaBrowser.Providers.MediaInfo
{
var extension = Path.GetExtension(fullName);
if (!SubtitleExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
if (!SubtitleExtensions.Contains(extension))
{
continue;
}

532
SocketHttpListener/Net/HttpConnection.cs Normal file
View File

@ -0,0 +1,532 @@
using System;
using System.IO;
using System.Net;
using System.Net.Security;
using System.Net.Sockets;
using System.Security.Authentication;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Model.Cryptography;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.System;
using Microsoft.Extensions.Logging;
namespace SocketHttpListener.Net
{
sealed class HttpConnection
{
private static AsyncCallback s_onreadCallback = new AsyncCallback(OnRead);
const int BufferSize = 8192;
Socket _socket;
Stream _stream;
HttpEndPointListener _epl;
MemoryStream _memoryStream;
byte[] _buffer;
HttpListenerContext _context;
StringBuilder _currentLine;
ListenerPrefix _prefix;
HttpRequestStream _requestStream;
HttpResponseStream _responseStream;
bool _chunked;
int _reuses;
bool _contextBound;
bool secure;
IPEndPoint local_ep;
HttpListener _lastListener;
X509Certificate cert;
SslStream ssl_stream;
private readonly ILogger _logger;
private readonly ICryptoProvider _cryptoProvider;
private readonly IStreamHelper _streamHelper;
private readonly IFileSystem _fileSystem;
private readonly IEnvironmentInfo _environment;
public HttpConnection(ILogger logger, Socket socket, HttpEndPointListener epl, bool secure,
X509Certificate cert, ICryptoProvider cryptoProvider, IStreamHelper streamHelper, IFileSystem fileSystem,
IEnvironmentInfo environment)
{
_logger = logger;
this._socket = socket;
this._epl = epl;
this.secure = secure;
this.cert = cert;
_cryptoProvider = cryptoProvider;
_streamHelper = streamHelper;
_fileSystem = fileSystem;
_environment = environment;
if (secure == false)
{
_stream = new SocketStream(_socket, false);
}
else
{
ssl_stream = new SslStream(new SocketStream(_socket, false), false, (t, c, ch, e) =>
{
if (c == null)
{
return true;
}
//var c2 = c as X509Certificate2;
//if (c2 == null)
//{
// c2 = new X509Certificate2(c.GetRawCertData());
//}
//_clientCert = c2;
//_clientCertErrors = new int[] { (int)e };
return true;
});
_stream = ssl_stream;
}
}
public Stream Stream => _stream;
public async Task Init()
{
if (ssl_stream != null)
{
var enableAsync = true;
if (enableAsync)
{
await ssl_stream.AuthenticateAsServerAsync(cert, false, (SslProtocols)ServicePointManager.SecurityProtocol, false).ConfigureAwait(false);
}
else
{
ssl_stream.AuthenticateAsServer(cert, false, (SslProtocols)ServicePointManager.SecurityProtocol, false);
}
}
InitInternal();
}
private void InitInternal()
{
_contextBound = false;
_requestStream = null;
_responseStream = null;
_prefix = null;
_chunked = false;
_memoryStream = new MemoryStream();
_position = 0;
_inputState = InputState.RequestLine;
_lineState = LineState.None;
_context = new HttpListenerContext(this);
}
public bool IsClosed => (_socket == null);
public int Reuses => _reuses;
public IPEndPoint LocalEndPoint
{
get
{
if (local_ep != null)
return local_ep;
local_ep = (IPEndPoint)_socket.LocalEndPoint;
return local_ep;
}
}
public IPEndPoint RemoteEndPoint => _socket.RemoteEndPoint as IPEndPoint;
public bool IsSecure => secure;
public ListenerPrefix Prefix
{
get => _prefix;
set => _prefix = value;
}
private void OnTimeout(object unused)
{
//_logger.LogInformation("HttpConnection timer fired");
CloseSocket();
Unbind();
}
public void BeginReadRequest()
{
if (_buffer == null)
{
_buffer = new byte[BufferSize];
}
try
{
_stream.BeginRead(_buffer, 0, BufferSize, s_onreadCallback, this);
}
catch
{
CloseSocket();
Unbind();
}
}
public HttpRequestStream GetRequestStream(bool chunked, long contentlength)
{
if (_requestStream == null)
{
byte[] buffer = _memoryStream.GetBuffer();
int length = (int)_memoryStream.Length;
_memoryStream = null;
if (chunked)
{
_chunked = true;
//_context.Response.SendChunked = true;
_requestStream = new ChunkedInputStream(_context, _stream, buffer, _position, length - _position);
}
else
{
_requestStream = new HttpRequestStream(_stream, buffer, _position, length - _position, contentlength);
}
}
return _requestStream;
}
public HttpResponseStream GetResponseStream(bool isExpect100Continue = false)
{
// TODO: can we get this _stream before reading the input?
if (_responseStream == null)
{
var supportsDirectSocketAccess = !_context.Response.SendChunked && !isExpect100Continue && !secure;
_responseStream = new HttpResponseStream(_stream, _context.Response, false, _streamHelper, _socket, supportsDirectSocketAccess, _environment, _fileSystem, _logger);
}
return _responseStream;
}
private static void OnRead(IAsyncResult ares)
{
var cnc = (HttpConnection)ares.AsyncState;
cnc.OnReadInternal(ares);
}
private void OnReadInternal(IAsyncResult ares)
{
int nread = -1;
try
{
nread = _stream.EndRead(ares);
_memoryStream.Write(_buffer, 0, nread);
if (_memoryStream.Length > 32768)
{
SendError("Bad Request", 400);
Close(true);
return;
}
}
catch
{
if (_memoryStream != null && _memoryStream.Length > 0)
{
SendError();
}
if (_socket != null)
{
CloseSocket();
Unbind();
}
return;
}
if (nread == 0)
{
CloseSocket();
Unbind();
return;
}
if (ProcessInput(_memoryStream))
{
if (!_context.HaveError)
_context.Request.FinishInitialization();
if (_context.HaveError)
{
SendError();
Close(true);
return;
}
if (!_epl.BindContext(_context))
{
const int NotFoundErrorCode = 404;
SendError(HttpStatusDescription.Get(NotFoundErrorCode), NotFoundErrorCode);
Close(true);
return;
}
HttpListener listener = _epl.Listener;
if (_lastListener != listener)
{
RemoveConnection();
listener.AddConnection(this);
_lastListener = listener;
}
_contextBound = true;
listener.RegisterContext(_context);
return;
}
_stream.BeginRead(_buffer, 0, BufferSize, s_onreadCallback, this);
}
private void RemoveConnection()
{
if (_lastListener == null)
_epl.RemoveConnection(this);
else
_lastListener.RemoveConnection(this);
}
private enum InputState
{
RequestLine,
Headers
}
private enum LineState
{
None,
CR,
LF
}
InputState _inputState = InputState.RequestLine;
LineState _lineState = LineState.None;
int _position;
// true -> done processing
// false -> need more input
private bool ProcessInput(MemoryStream ms)
{
byte[] buffer = ms.GetBuffer();
int len = (int)ms.Length;
int used = 0;
string line;
while (true)
{
if (_context.HaveError)
return true;
if (_position >= len)
break;
try
{
line = ReadLine(buffer, _position, len - _position, ref used);
_position += used;
}
catch
{
_context.ErrorMessage = "Bad request";
_context.ErrorStatus = 400;
return true;
}
if (line == null)
break;
if (line == "")
{
if (_inputState == InputState.RequestLine)
continue;
_currentLine = null;
ms = null;
return true;
}
if (_inputState == InputState.RequestLine)
{
_context.Request.SetRequestLine(line);
_inputState = InputState.Headers;
}
else
{
try
{
_context.Request.AddHeader(line);
}
catch (Exception e)
{
_context.ErrorMessage = e.Message;
_context.ErrorStatus = 400;
return true;
}
}
}
if (used == len)
{
ms.SetLength(0);
_position = 0;
}
return false;
}
private string ReadLine(byte[] buffer, int offset, int len, ref int used)
{
if (_currentLine == null)
_currentLine = new StringBuilder(128);
int last = offset + len;
used = 0;
for (int i = offset; i < last && _lineState != LineState.LF; i++)
{
used++;
byte b = buffer[i];
if (b == 13)
{
_lineState = LineState.CR;
}
else if (b == 10)
{
_lineState = LineState.LF;
}
else
{
_currentLine.Append((char)b);
}
}
string result = null;
if (_lineState == LineState.LF)
{
_lineState = LineState.None;
result = _currentLine.ToString();
_currentLine.Length = 0;
}
return result;
}
public void SendError(string msg, int status)
{
try
{
HttpListenerResponse response = _context.Response;
response.StatusCode = status;
response.ContentType = "text/html";
string description = HttpStatusDescription.Get(status);
string str;
if (msg != null)
str = string.Format("<h1>{0} ({1})</h1>", description, msg);
else
str = string.Format("<h1>{0}</h1>", description);
byte[] error = Encoding.UTF8.GetBytes(str);
response.Close(error, false);
}
catch
{
// response was already closed
}
}
public void SendError()
{
SendError(_context.ErrorMessage, _context.ErrorStatus);
}
private void Unbind()
{
if (_contextBound)
{
_epl.UnbindContext(_context);
_contextBound = false;
}
}
public void Close()
{
Close(false);
}
private void CloseSocket()
{
if (_socket == null)
return;
try
{
_socket.Close();
}
catch { }
finally
{
_socket = null;
}
RemoveConnection();
}
internal void Close(bool force)
{
if (_socket != null)
{
Stream st = GetResponseStream();
if (st != null)
st.Close();
_responseStream = null;
}
if (_socket != null)
{
force |= !_context.Request.KeepAlive;
if (!force)
{
force = string.Equals(_context.Response.Headers["connection"], "close", StringComparison.OrdinalIgnoreCase);
}
if (!force && _context.Request.FlushInput())
{
if (_chunked && _context.Response.ForceCloseChunked == false)
{
// Don't close. Keep working.
_reuses++;
Unbind();
InitInternal();
BeginReadRequest();
return;
}
_reuses++;
Unbind();
InitInternal();
BeginReadRequest();
return;
}
Socket s = _socket;
_socket = null;
try
{
s?.Shutdown(SocketShutdown.Both);
}
catch
{
}
finally
{
try
{
s?.Close();
}
catch { }
}
Unbind();
RemoveConnection();
return;
}
}
}
}