Merge pull request #1103 from Bond-009/stream

Improvements around streams
pull/1110/head
Vasily 6 years ago committed by GitHub
commit bf00dedc7f
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@ -5,7 +5,6 @@ using System.IO;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Model.Services;
using Microsoft.Extensions.Logging;
using Microsoft.Net.Http.Headers;
namespace Emby.Server.Implementations.HttpServer

@ -1,4 +1,5 @@
using System;
using System.Buffers;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
@ -8,168 +9,213 @@ namespace Emby.Server.Implementations.IO
{
public class StreamHelper : IStreamHelper
{
private const int StreamCopyToBufferSize = 81920;
public async Task CopyToAsync(Stream source, Stream destination, int bufferSize, Action onStarted, CancellationToken cancellationToken)
{
byte[] buffer = new byte[bufferSize];
int read;
while ((read = source.Read(buffer, 0, buffer.Length)) != 0)
byte[] buffer = ArrayPool<byte>.Shared.Rent(bufferSize);
try
{
cancellationToken.ThrowIfCancellationRequested();
int read;
while ((read = await source.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false)) != 0)
{
cancellationToken.ThrowIfCancellationRequested();
await destination.WriteAsync(buffer, 0, read).ConfigureAwait(false);
await destination.WriteAsync(buffer, 0, read).ConfigureAwait(false);
if (onStarted != null)
{
onStarted();
onStarted = null;
if (onStarted != null)
{
onStarted();
onStarted = null;
}
}
}
finally
{
ArrayPool<byte>.Shared.Return(buffer);
}
}
public async Task CopyToAsync(Stream source, Stream destination, int bufferSize, int emptyReadLimit, CancellationToken cancellationToken)
{
byte[] buffer = new byte[bufferSize];
if (emptyReadLimit <= 0)
byte[] buffer = ArrayPool<byte>.Shared.Rent(bufferSize);
try
{
int read;
while ((read = source.Read(buffer, 0, buffer.Length)) != 0)
if (emptyReadLimit <= 0)
{
cancellationToken.ThrowIfCancellationRequested();
int read;
while ((read = await source.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false)) != 0)
{
cancellationToken.ThrowIfCancellationRequested();
await destination.WriteAsync(buffer, 0, read).ConfigureAwait(false);
}
await destination.WriteAsync(buffer, 0, read).ConfigureAwait(false);
}
return;
}
return;
}
var eofCount = 0;
var eofCount = 0;
while (eofCount < emptyReadLimit)
{
cancellationToken.ThrowIfCancellationRequested();
while (eofCount < emptyReadLimit)
{
cancellationToken.ThrowIfCancellationRequested();
var bytesRead = source.Read(buffer, 0, buffer.Length);
var bytesRead = await source.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false);
if (bytesRead == 0)
{
eofCount++;
await Task.Delay(50, cancellationToken).ConfigureAwait(false);
}
else
{
eofCount = 0;
if (bytesRead == 0)
{
eofCount++;
await Task.Delay(50, cancellationToken).ConfigureAwait(false);
}
else
{
eofCount = 0;
await destination.WriteAsync(buffer, 0, bytesRead).ConfigureAwait(false);
await destination.WriteAsync(buffer, 0, bytesRead).ConfigureAwait(false);
}
}
}
finally
{
ArrayPool<byte>.Shared.Return(buffer);
}
}
const int StreamCopyToBufferSize = 81920;
public async Task<int> CopyToAsync(Stream source, Stream destination, CancellationToken cancellationToken)
{
var array = new byte[StreamCopyToBufferSize];
int bytesRead;
int totalBytesRead = 0;
while ((bytesRead = await source.ReadAsync(array, 0, array.Length, cancellationToken).ConfigureAwait(false)) != 0)
byte[] buffer = ArrayPool<byte>.Shared.Rent(StreamCopyToBufferSize);
try
{
var bytesToWrite = bytesRead;
int totalBytesRead = 0;
if (bytesToWrite > 0)
int bytesRead;
while ((bytesRead = await source.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false)) != 0)
{
await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
var bytesToWrite = bytesRead;
totalBytesRead += bytesRead;
if (bytesToWrite > 0)
{
await destination.WriteAsync(buffer, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
totalBytesRead += bytesRead;
}
}
}
return totalBytesRead;
return totalBytesRead;
}
finally
{
ArrayPool<byte>.Shared.Return(buffer);
}
}
public async Task<int> CopyToAsyncWithSyncRead(Stream source, Stream destination, CancellationToken cancellationToken)
{
var array = new byte[StreamCopyToBufferSize];
int bytesRead;
int totalBytesRead = 0;
while ((bytesRead = source.Read(array, 0, array.Length)) != 0)
byte[] buffer = ArrayPool<byte>.Shared.Rent(StreamCopyToBufferSize);
try
{
var bytesToWrite = bytesRead;
int bytesRead;
int totalBytesRead = 0;
if (bytesToWrite > 0)
while ((bytesRead = source.Read(buffer, 0, buffer.Length)) != 0)
{
await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
var bytesToWrite = bytesRead;
totalBytesRead += bytesRead;
if (bytesToWrite > 0)
{
await destination.WriteAsync(buffer, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
totalBytesRead += bytesRead;
}
}
}
return totalBytesRead;
return totalBytesRead;
}
finally
{
ArrayPool<byte>.Shared.Return(buffer);
}
}
public async Task CopyToAsyncWithSyncRead(Stream source, Stream destination, long copyLength, CancellationToken cancellationToken)
{
var array = new byte[StreamCopyToBufferSize];
int bytesRead;
while ((bytesRead = source.Read(array, 0, array.Length)) != 0)
byte[] buffer = ArrayPool<byte>.Shared.Rent(StreamCopyToBufferSize);
try
{
var bytesToWrite = Math.Min(bytesRead, copyLength);
int bytesRead;
if (bytesToWrite > 0)
while ((bytesRead = source.Read(buffer, 0, buffer.Length)) != 0)
{
await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
}
var bytesToWrite = Math.Min(bytesRead, copyLength);
copyLength -= bytesToWrite;
if (bytesToWrite > 0)
{
await destination.WriteAsync(buffer, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
}
if (copyLength <= 0)
{
break;
copyLength -= bytesToWrite;
if (copyLength <= 0)
{
break;
}
}
}
finally
{
ArrayPool<byte>.Shared.Return(buffer);
}
}
public async Task CopyToAsync(Stream source, Stream destination, long copyLength, CancellationToken cancellationToken)
{
var array = new byte[StreamCopyToBufferSize];
int bytesRead;
while ((bytesRead = await source.ReadAsync(array, 0, array.Length, cancellationToken).ConfigureAwait(false)) != 0)
byte[] buffer = ArrayPool<byte>.Shared.Rent(StreamCopyToBufferSize);
try
{
var bytesToWrite = Math.Min(bytesRead, copyLength);
int bytesRead;
if (bytesToWrite > 0)
while ((bytesRead = await source.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false)) != 0)
{
await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
}
var bytesToWrite = Math.Min(bytesRead, copyLength);
copyLength -= bytesToWrite;
if (bytesToWrite > 0)
{
await destination.WriteAsync(buffer, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
}
if (copyLength <= 0)
{
break;
copyLength -= bytesToWrite;
if (copyLength <= 0)
{
break;
}
}
}
finally
{
ArrayPool<byte>.Shared.Return(buffer);
}
}
public async Task CopyUntilCancelled(Stream source, Stream target, int bufferSize, CancellationToken cancellationToken)
{
byte[] buffer = new byte[bufferSize];
while (!cancellationToken.IsCancellationRequested)
byte[] buffer = ArrayPool<byte>.Shared.Rent(bufferSize);
try
{
var bytesRead = await CopyToAsyncInternal(source, target, buffer, cancellationToken).ConfigureAwait(false);
//var position = fs.Position;
//_logger.LogDebug("Streamed {0} bytes to position {1} from file {2}", bytesRead, position, path);
if (bytesRead == 0)
while (!cancellationToken.IsCancellationRequested)
{
await Task.Delay(100).ConfigureAwait(false);
var bytesRead = await CopyToAsyncInternal(source, target, buffer, cancellationToken).ConfigureAwait(false);
if (bytesRead == 0)
{
await Task.Delay(100).ConfigureAwait(false);
}
}
}
finally
{
ArrayPool<byte>.Shared.Return(buffer);
}
}
private static async Task<int> CopyToAsyncInternal(Stream source, Stream destination, byte[] buffer, CancellationToken cancellationToken)

@ -151,7 +151,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
});
}
private static int RtpHeaderBytes = 12;
private const int RtpHeaderBytes = 12;
private async Task CopyTo(MediaBrowser.Model.Net.ISocket udpClient, string file, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
{
var bufferSize = 81920;

@ -22,7 +22,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
public string OriginalStreamId { get; set; }
public bool EnableStreamSharing { get; set; }
public string UniqueId { get; private set; }
public string UniqueId { get; }
protected readonly IFileSystem FileSystem;
protected readonly IServerApplicationPaths AppPaths;
@ -31,12 +31,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
protected readonly ILogger Logger;
protected readonly CancellationTokenSource LiveStreamCancellationTokenSource = new CancellationTokenSource();
public string TunerHostId { get; private set; }
public string TunerHostId { get; }
public DateTime DateOpened { get; protected set; }
public Func<Task> OnClose { get; set; }
public LiveStream(MediaSourceInfo mediaSource, TunerHostInfo tuner, IFileSystem fileSystem, ILogger logger, IServerApplicationPaths appPaths)
{
OriginalMediaSource = mediaSource;
@ -76,26 +74,9 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
LiveStreamCancellationTokenSource.Cancel();
if (OnClose != null)
{
return CloseWithExternalFn();
}
return Task.CompletedTask;
}
private async Task CloseWithExternalFn()
{
try
{
await OnClose().ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.LogError(ex, "Error closing live stream");
}
}
protected Stream GetInputStream(string path, bool allowAsyncFileRead)
{
var fileOpenOptions = FileOpenOptions.SequentialScan;
@ -113,26 +94,25 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
return DeleteTempFiles(GetStreamFilePaths());
}
protected async Task DeleteTempFiles(List<string> paths, int retryCount = 0)
protected async Task DeleteTempFiles(IEnumerable<string> paths, int retryCount = 0)
{
if (retryCount == 0)
{
Logger.LogInformation("Deleting temp files {0}", string.Join(", ", paths.ToArray()));
Logger.LogInformation("Deleting temp files {0}", paths);
}
var failedFiles = new List<string>();
foreach (var path in paths)
{
try
{
FileSystem.DeleteFile(path);
}
catch (DirectoryNotFoundException)
if (!File.Exists(path))
{
continue;
}
catch (FileNotFoundException)
try
{
FileSystem.DeleteFile(path);
}
catch (Exception ex)
{
@ -157,8 +137,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
{
cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, LiveStreamCancellationTokenSource.Token).Token;
var allowAsync = false;
// use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
// use non-async filestream on windows along with read due to https://github.com/dotnet/corefx/issues/6039
var allowAsync = Environment.OSVersion.Platform != PlatformID.Win32NT;
bool seekFile = (DateTime.UtcNow - DateOpened).TotalSeconds > 10;
@ -181,28 +161,24 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
Logger.LogInformation("Live Stream ended.");
}
private Tuple<string, bool> GetNextFile(string currentFile)
private (string file, bool isLastFile) GetNextFile(string currentFile)
{
var files = GetStreamFilePaths();
//logger.LogInformation("Live stream files: {0}", string.Join(", ", files.ToArray()));
if (string.IsNullOrEmpty(currentFile))
{
return new Tuple<string, bool>(files.Last(), true);
return (files.Last(), true);
}
var nextIndex = files.FindIndex(i => string.Equals(i, currentFile, StringComparison.OrdinalIgnoreCase)) + 1;
var isLastFile = nextIndex == files.Count - 1;
return new Tuple<string, bool>(files.ElementAtOrDefault(nextIndex), isLastFile);
return (files.ElementAtOrDefault(nextIndex), isLastFile);
}
private async Task CopyFile(string path, bool seekFile, int emptyReadLimit, bool allowAsync, Stream stream, CancellationToken cancellationToken)
{
//logger.LogInformation("Opening live stream file {0}. Empty read limit: {1}", path, emptyReadLimit);
using (var inputStream = (FileStream)GetInputStream(path, allowAsync))
{
if (seekFile)
@ -218,7 +194,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
private void TrySeek(FileStream stream, long offset)
{
//logger.LogInformation("TrySeek live stream");
if (!stream.CanSeek)
{
return;
}
try
{
stream.Seek(offset, SeekOrigin.End);

@ -1,66 +0,0 @@
using System;
namespace Emby.Server.Implementations.Net
{
/// <summary>
/// Correclty implements the <see cref="IDisposable"/> interface and pattern for an object containing only managed resources, and adds a few common niceities not on the interface such as an <see cref="IsDisposed"/> property.
/// </summary>
public abstract class DisposableManagedObjectBase : IDisposable
{
#region Public Methods
/// <summary>
/// Override this method and dispose any objects you own the lifetime of if disposing is true;
/// </summary>
/// <param name="disposing">True if managed objects should be disposed, if false, only unmanaged resources should be released.</param>
protected abstract void Dispose(bool disposing);
//TODO Remove and reimplement using the IsDisposed property directly.
/// <summary>
/// Throws an <see cref="ObjectDisposedException"/> if the <see cref="IsDisposed"/> property is true.
/// </summary>
/// <seealso cref="IsDisposed"/>
/// <exception cref="ObjectDisposedException">Thrown if the <see cref="IsDisposed"/> property is true.</exception>
/// <seealso cref="Dispose()"/>
protected virtual void ThrowIfDisposed()
{
if (IsDisposed) throw new ObjectDisposedException(GetType().Name);
}
#endregion
#region Public Properties
/// <summary>
/// Sets or returns a boolean indicating whether or not this instance has been disposed.
/// </summary>
/// <seealso cref="Dispose()"/>
public bool IsDisposed
{
get;
private set;
}
#endregion
#region IDisposable Members
/// <summary>
/// Disposes this object instance and all internally managed resources.
/// </summary>
/// <remarks>
/// <para>Sets the <see cref="IsDisposed"/> property to true. Does not explicitly throw an exception if called multiple times, but makes no promises about behaviour of derived classes.</para>
/// </remarks>
/// <seealso cref="IsDisposed"/>
public void Dispose()
{
IsDisposed = true;
Dispose(true);
}
#endregion
}
}

@ -4,7 +4,6 @@ using System.Net;
using System.Net.Sockets;
using Emby.Server.Implementations.Networking;
using MediaBrowser.Model.Net;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Net
{
@ -19,7 +18,10 @@ namespace Emby.Server.Implementations.Net
public ISocket CreateTcpSocket(IpAddressInfo remoteAddress, int remotePort)
{
if (remotePort < 0) throw new ArgumentException("remotePort cannot be less than zero.", nameof(remotePort));
if (remotePort < 0)
{
throw new ArgumentException("remotePort cannot be less than zero.", nameof(remotePort));
}
var addressFamily = remoteAddress.AddressFamily == IpAddressFamily.InterNetwork
? AddressFamily.InterNetwork
@ -42,8 +44,7 @@ namespace Emby.Server.Implementations.Net
}
catch
{
if (retVal != null)
retVal.Dispose();
retVal?.Dispose();
throw;
}
@ -55,7 +56,10 @@ namespace Emby.Server.Implementations.Net
/// <param name="localPort">An integer specifying the local port to bind the acceptSocket to.</param>
public ISocket CreateUdpSocket(int localPort)
{
if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
if (localPort < 0)
{
throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
}
var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
try
@ -65,8 +69,7 @@ namespace Emby.Server.Implementations.Net
}
catch
{
if (retVal != null)
retVal.Dispose();
retVal?.Dispose();
throw;
}
@ -74,7 +77,10 @@ namespace Emby.Server.Implementations.Net
public ISocket CreateUdpBroadcastSocket(int localPort)
{
if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
if (localPort < 0)
{
throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
}
var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
try
@ -86,8 +92,7 @@ namespace Emby.Server.Implementations.Net
}
catch
{
if (retVal != null)
retVal.Dispose();
retVal?.Dispose();
throw;
}
@ -99,7 +104,10 @@ namespace Emby.Server.Implementations.Net
/// <returns>An implementation of the <see cref="ISocket"/> interface used by RSSDP components to perform acceptSocket operations.</returns>
public ISocket CreateSsdpUdpSocket(IpAddressInfo localIpAddress, int localPort)
{
if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
if (localPort < 0)
{
throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
}
var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
try
@ -114,8 +122,7 @@ namespace Emby.Server.Implementations.Net
}
catch
{
if (retVal != null)
retVal.Dispose();
retVal?.Dispose();
throw;
}
@ -130,10 +137,25 @@ namespace Emby.Server.Implementations.Net
/// <returns></returns>
public ISocket CreateUdpMulticastSocket(string ipAddress, int multicastTimeToLive, int localPort)
{
if (ipAddress == null) throw new ArgumentNullException(nameof(ipAddress));
if (ipAddress.Length == 0) throw new ArgumentException("ipAddress cannot be an empty string.", nameof(ipAddress));
if (multicastTimeToLive <= 0) throw new ArgumentException("multicastTimeToLive cannot be zero or less.", nameof(multicastTimeToLive));
if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
if (ipAddress == null)
{
throw new ArgumentNullException(nameof(ipAddress));
}
if (ipAddress.Length == 0)
{
throw new ArgumentException("ipAddress cannot be an empty string.", nameof(ipAddress));
}
if (multicastTimeToLive <= 0)
{
throw new ArgumentException("multicastTimeToLive cannot be zero or less.", nameof(multicastTimeToLive));
}
if (localPort < 0)
{
throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
}
var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
@ -172,87 +194,13 @@ namespace Emby.Server.Implementations.Net
}
catch
{
if (retVal != null)
retVal.Dispose();
retVal?.Dispose();
throw;
}
}
public Stream CreateNetworkStream(ISocket socket, bool ownsSocket)
{
var netSocket = (UdpSocket)socket;
return new SocketStream(netSocket.Socket, ownsSocket);
}
=> new NetworkStream(((UdpSocket)socket).Socket, ownsSocket);
}
public class SocketStream : Stream
{
private readonly Socket _socket;
public SocketStream(Socket socket, bool ownsSocket)
{
_socket = socket;
}
public override void Flush()
{
}
public override bool CanRead => true;
public override bool CanSeek => false;
public override bool CanWrite => true;
public override long Length => throw new NotImplementedException();
public override long Position
{
get => throw new NotImplementedException();
set => throw new NotImplementedException();
}
public override void Write(byte[] buffer, int offset, int count)
{
_socket.Send(buffer, offset, count, SocketFlags.None);
}
public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{
return _socket.BeginSend(buffer, offset, count, SocketFlags.None, callback, state);
}
public override void EndWrite(IAsyncResult asyncResult)
{
_socket.EndSend(asyncResult);
}
public override void SetLength(long value)
{
throw new NotImplementedException();
}
public override long Seek(long offset, SeekOrigin origin)
{
throw new NotImplementedException();
}
public override int Read(byte[] buffer, int offset, int count)
{
return _socket.Receive(buffer, offset, count, SocketFlags.None);
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{
return _socket.BeginReceive(buffer, offset, count, SocketFlags.None, callback, state);
}
public override int EndRead(IAsyncResult asyncResult)
{
return _socket.EndReceive(asyncResult);
}
}
}

@ -11,12 +11,15 @@ namespace Emby.Server.Implementations.Net
// THIS IS A LINKED FILE - SHARED AMONGST MULTIPLE PLATFORMS
// Be careful to check any changes compile and work for all platform projects it is shared in.
public sealed class UdpSocket : DisposableManagedObjectBase, ISocket
public sealed class UdpSocket : ISocket, IDisposable
{
private Socket _Socket;
private int _LocalPort;
private Socket _socket;
private int _localPort;
private bool _disposed = false;
public Socket Socket => _Socket;
public Socket Socket => _socket;
public IpAddressInfo LocalIPAddress { get; }
private readonly SocketAsyncEventArgs _receiveSocketAsyncEventArgs = new SocketAsyncEventArgs()
{
@ -35,11 +38,11 @@ namespace Emby.Server.Implementations.Net
{
if (socket == null) throw new ArgumentNullException(nameof(socket));
_Socket = socket;
_LocalPort = localPort;
_socket = socket;
_localPort = localPort;
LocalIPAddress = NetworkManager.ToIpAddressInfo(ip);
_Socket.Bind(new IPEndPoint(ip, _LocalPort));
_socket.Bind(new IPEndPoint(ip, _localPort));
InitReceiveSocketAsyncEventArgs();
}
@ -101,32 +104,26 @@ namespace Emby.Server.Implementations.Net
{
if (socket == null) throw new ArgumentNullException(nameof(socket));
_Socket = socket;
_Socket.Connect(NetworkManager.ToIPEndPoint(endPoint));
_socket = socket;
_socket.Connect(NetworkManager.ToIPEndPoint(endPoint));
InitReceiveSocketAsyncEventArgs();
}
public IpAddressInfo LocalIPAddress
{
get;
private set;
}
public IAsyncResult BeginReceive(byte[] buffer, int offset, int count, AsyncCallback callback)
{
ThrowIfDisposed();
EndPoint receivedFromEndPoint = new IPEndPoint(IPAddress.Any, 0);
return _Socket.BeginReceiveFrom(buffer, offset, count, SocketFlags.None, ref receivedFromEndPoint, callback, buffer);
return _socket.BeginReceiveFrom(buffer, offset, count, SocketFlags.None, ref receivedFromEndPoint, callback, buffer);
}
public int Receive(byte[] buffer, int offset, int count)
{
ThrowIfDisposed();
return _Socket.Receive(buffer, 0, buffer.Length, SocketFlags.None);
return _socket.Receive(buffer, 0, buffer.Length, SocketFlags.None);
}
public SocketReceiveResult EndReceive(IAsyncResult result)
@ -136,7 +133,7 @@ namespace Emby.Server.Implementations.Net
var sender = new IPEndPoint(IPAddress.Any, 0);
var remoteEndPoint = (EndPoint)sender;
var receivedBytes = _Socket.EndReceiveFrom(result, ref remoteEndPoint);
var receivedBytes = _socket.EndReceiveFrom(result, ref remoteEndPoint);
var buffer = (byte[])result.AsyncState;
@ -236,35 +233,40 @@ namespace Emby.Server.Implementations.Net
var ipEndPoint = NetworkManager.ToIPEndPoint(endPoint);
return _Socket.BeginSendTo(buffer, offset, size, SocketFlags.None, ipEndPoint, callback, state);
return _socket.BeginSendTo(buffer, offset, size, SocketFlags.None, ipEndPoint, callback, state);
}
public int EndSendTo(IAsyncResult result)
{
ThrowIfDisposed();
return _Socket.EndSendTo(result);
return _socket.EndSendTo(result);
}
protected override void Dispose(bool disposing)
private void ThrowIfDisposed()
{
if (disposing)
if (_disposed)
{
var socket = _Socket;
if (socket != null)
socket.Dispose();
throw new ObjectDisposedException(nameof(UdpSocket));
}
}
var tcs = _currentReceiveTaskCompletionSource;
if (tcs != null)
{
tcs.TrySetCanceled();
}
var sendTcs = _currentSendTaskCompletionSource;
if (sendTcs != null)
{
sendTcs.TrySetCanceled();
}
public void Dispose()
{
if (_disposed)
{
return;
}
_socket?.Dispose();
_currentReceiveTaskCompletionSource?.TrySetCanceled();
_currentSendTaskCompletionSource?.TrySetCanceled();
_socket = null;
_currentReceiveTaskCompletionSource = null;
_currentSendTaskCompletionSource = null;
_disposed = true;
}
private static IpEndPointInfo ToIpEndPointInfo(IPEndPoint endpoint)

@ -23,7 +23,6 @@ using MediaBrowser.Model.IO;
using MediaBrowser.Model.LiveTv;
using MediaBrowser.Model.Querying;
using MediaBrowser.Model.Services;
using MediaBrowser.Model.System;
using Microsoft.Net.Http.Headers;
namespace MediaBrowser.Api.LiveTv
@ -695,27 +694,36 @@ namespace MediaBrowser.Api.LiveTv
private readonly IHttpClient _httpClient;
private readonly ILibraryManager _libraryManager;
private readonly IDtoService _dtoService;
private readonly IFileSystem _fileSystem;
private readonly IAuthorizationContext _authContext;
private readonly ISessionContext _sessionContext;
private ICryptoProvider _cryptographyProvider;
private IStreamHelper _streamHelper;
private IMediaSourceManager _mediaSourceManager;
public LiveTvService(ICryptoProvider crypto, IMediaSourceManager mediaSourceManager, IStreamHelper streamHelper, ILiveTvManager liveTvManager, IUserManager userManager, IServerConfigurationManager config, IHttpClient httpClient, ILibraryManager libraryManager, IDtoService dtoService, IFileSystem fileSystem, IAuthorizationContext authContext, ISessionContext sessionContext)
private readonly ICryptoProvider _cryptographyProvider;
private readonly IStreamHelper _streamHelper;
private readonly IMediaSourceManager _mediaSourceManager;
public LiveTvService(
ICryptoProvider crypto,
IMediaSourceManager mediaSourceManager,
IStreamHelper streamHelper,
ILiveTvManager liveTvManager,
IUserManager userManager,
IServerConfigurationManager config,
IHttpClient httpClient,
ILibraryManager libraryManager,
IDtoService dtoService,
IAuthorizationContext authContext,
ISessionContext sessionContext)
{
_cryptographyProvider = crypto;
_mediaSourceManager = mediaSourceManager;
_streamHelper = streamHelper;
_liveTvManager = liveTvManager;
_userManager = userManager;
_config = config;
_httpClient = httpClient;
_libraryManager = libraryManager;
_dtoService = dtoService;
_fileSystem = fileSystem;
_authContext = authContext;
_sessionContext = sessionContext;
_cryptographyProvider = crypto;
_streamHelper = streamHelper;
_mediaSourceManager = mediaSourceManager;
}
public object Get(GetTunerHostTypes request)
@ -729,7 +737,7 @@ namespace MediaBrowser.Api.LiveTv
var user = request.UserId.Equals(Guid.Empty) ? null : _userManager.GetUserById(request.UserId);
var folders = _liveTvManager.GetRecordingFolders(user);
var returnArray = _dtoService.GetBaseItemDtos(folders.ToArray(), new DtoOptions(), user);
var returnArray = _dtoService.GetBaseItemDtos(folders, new DtoOptions(), user);
var result = new QueryResult<BaseItemDto>
{
@ -754,7 +762,7 @@ namespace MediaBrowser.Api.LiveTv
[HeaderNames.ContentType] = Model.Net.MimeTypes.GetMimeType(path)
};
return new ProgressiveFileCopier(_fileSystem, _streamHelper, path, outputHeaders, Logger)
return new ProgressiveFileCopier(_streamHelper, path, outputHeaders, Logger)
{
AllowEndOfFile = false
};

@ -1,3 +1,4 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
@ -11,22 +12,17 @@ namespace MediaBrowser.Api.LiveTv
{
public class ProgressiveFileCopier : IAsyncStreamWriter, IHasHeaders
{
private readonly IFileSystem _fileSystem;
private readonly ILogger _logger;
private readonly string _path;
private readonly Dictionary<string, string> _outputHeaders;
const int StreamCopyToBufferSize = 81920;
public long StartPosition { get; set; }
public bool AllowEndOfFile = true;
private readonly IDirectStreamProvider _directStreamProvider;
private IStreamHelper _streamHelper;
public ProgressiveFileCopier(IFileSystem fileSystem, IStreamHelper streamHelper, string path, Dictionary<string, string> outputHeaders, ILogger logger)
public ProgressiveFileCopier(IStreamHelper streamHelper, string path, Dictionary<string, string> outputHeaders, ILogger logger)
{
_fileSystem = fileSystem;
_path = path;
_outputHeaders = outputHeaders;
_logger = logger;
@ -43,18 +39,6 @@ namespace MediaBrowser.Api.LiveTv
public IDictionary<string, string> Headers => _outputHeaders;
private Stream GetInputStream(bool allowAsyncFileRead)
{
var fileOpenOptions = FileOpenOptions.SequentialScan;
if (allowAsyncFileRead)
{
fileOpenOptions |= FileOpenOptions.Asynchronous;
}
return _fileSystem.GetFileStream(_path, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.ReadWrite, fileOpenOptions);
}
public async Task WriteToAsync(Stream outputStream, CancellationToken cancellationToken)
{
if (_directStreamProvider != null)
@ -63,28 +47,23 @@ namespace MediaBrowser.Api.LiveTv
return;
}
var eofCount = 0;
var fileOptions = FileOptions.SequentialScan;
// use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
var allowAsyncFileRead = true;
using (var inputStream = GetInputStream(allowAsyncFileRead))
if (Environment.OSVersion.Platform != PlatformID.Win32NT)
{
if (StartPosition > 0)
{
inputStream.Position = StartPosition;
}
fileOptions |= FileOptions.Asynchronous;
}
using (var inputStream = new FileStream(_path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, 4096, fileOptions))
{
var emptyReadLimit = AllowEndOfFile ? 20 : 100;
var eofCount = 0;
while (eofCount < emptyReadLimit)
{
int bytesRead;
bytesRead = await _streamHelper.CopyToAsync(inputStream, outputStream, cancellationToken).ConfigureAwait(false);
//var position = fs.Position;
//_logger.LogDebug("Streamed {0} bytes to position {1} from file {2}", bytesRead, position, path);
if (bytesRead == 0)
{
eofCount++;

@ -1,64 +0,0 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
namespace MediaBrowser.Model.Net
{
public class HttpResponse : IDisposable
{
/// <summary>
/// Gets or sets the type of the content.
/// </summary>
/// <value>The type of the content.</value>
public string ContentType { get; set; }
/// <summary>
/// Gets or sets the response URL.
/// </summary>
/// <value>The response URL.</value>
public string ResponseUrl { get; set; }
/// <summary>
/// Gets or sets the content.
/// </summary>
/// <value>The content.</value>
public Stream Content { get; set; }
/// <summary>
/// Gets or sets the status code.
/// </summary>
/// <value>The status code.</value>
public HttpStatusCode StatusCode { get; set; }
/// <summary>
/// Gets or sets the length of the content.
/// </summary>
/// <value>The length of the content.</value>
public long? ContentLength { get; set; }
/// <summary>
/// Gets or sets the headers.
/// </summary>
/// <value>The headers.</value>
public Dictionary<string, string> Headers { get; set; }
private readonly IDisposable _disposable;
public HttpResponse(IDisposable disposable)
{
_disposable = disposable;
}
public HttpResponse()
{
}
public void Dispose()
{
if (_disposable != null)
{
_disposable.Dispose();
}
}
}
}

@ -1,15 +0,0 @@
using System;
namespace MediaBrowser.Model.Net
{
public class SocketCreateException : Exception
{
public SocketCreateException(string errorCode, Exception originalException)
: base(errorCode, originalException)
{
ErrorCode = errorCode;
}
public string ErrorCode { get; private set; }
}
}
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