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using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dlna;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Events;
using MediaBrowser.Model.Globalization;
using MediaBrowser.Model.Net;
using MediaBrowser.Model.Session;
using Microsoft.Extensions.Logging;
namespace Emby.Dlna.PlayTo
{
class PlayToManager : IDisposable
{
private readonly ILogger _logger;
private readonly ISessionManager _sessionManager;
private readonly ILibraryManager _libraryManager;
private readonly IUserManager _userManager;
private readonly IDlnaManager _dlnaManager;
private readonly IServerApplicationHost _appHost;
private readonly IImageProcessor _imageProcessor;
private readonly IHttpClient _httpClient;
private readonly IServerConfigurationManager _config;
private readonly IUserDataManager _userDataManager;
private readonly ILocalizationManager _localization;
private readonly IDeviceDiscovery _deviceDiscovery;
private readonly IMediaSourceManager _mediaSourceManager;
private readonly IMediaEncoder _mediaEncoder;
private bool _disposed;
private SemaphoreSlim _sessionLock = new SemaphoreSlim(1, 1);
private CancellationTokenSource _disposeCancellationTokenSource = new CancellationTokenSource();
public PlayToManager(ILogger logger, ISessionManager sessionManager, ILibraryManager libraryManager, IUserManager userManager, IDlnaManager dlnaManager, IServerApplicationHost appHost, IImageProcessor imageProcessor, IDeviceDiscovery deviceDiscovery, IHttpClient httpClient, IServerConfigurationManager config, IUserDataManager userDataManager, ILocalizationManager localization, IMediaSourceManager mediaSourceManager, IMediaEncoder mediaEncoder)
{
_logger = logger;
_sessionManager = sessionManager;
_libraryManager = libraryManager;
_userManager = userManager;
_dlnaManager = dlnaManager;
_appHost = appHost;
_imageProcessor = imageProcessor;
_deviceDiscovery = deviceDiscovery;
_httpClient = httpClient;
_config = config;
_userDataManager = userDataManager;
_localization = localization;
_mediaSourceManager = mediaSourceManager;
_mediaEncoder = mediaEncoder;
}
public void Start()
{
_deviceDiscovery.DeviceDiscovered += _deviceDiscovery_DeviceDiscovered;
}
async void _deviceDiscovery_DeviceDiscovered(object sender, GenericEventArgs<UpnpDeviceInfo> e)
{
if (_disposed)
{
return;
}
var info = e.Argument;
if (!info.Headers.TryGetValue("USN", out string usn)) usn = string.Empty;
if (!info.Headers.TryGetValue("NT", out string nt)) nt = string.Empty;
string location = info.Location.ToString();
// It has to report that it's a media renderer
if (usn.IndexOf("MediaRenderer:", StringComparison.OrdinalIgnoreCase) == -1 &&
nt.IndexOf("MediaRenderer:", StringComparison.OrdinalIgnoreCase) == -1)
{
//_logger.LogDebug("Upnp device {0} does not contain a MediaRenderer device (0).", location);
return;
}
if (_sessionManager.Sessions.Any(i => usn.IndexOf(i.DeviceId, StringComparison.OrdinalIgnoreCase) != -1))
{
return;
}
var cancellationToken = _disposeCancellationTokenSource.Token;
await _sessionLock.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
if (_disposed)
{
return;
}
await AddDevice(info, location, cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
_logger.LogError(ex, "Error creating PlayTo device.");
}
finally
{
_sessionLock.Release();
}
}
private string GetUuid(string usn)
{
var found = false;
var index = usn.IndexOf("uuid:", StringComparison.OrdinalIgnoreCase);
if (index != -1)
{
usn = usn.Substring(index);
found = true;
}
index = usn.IndexOf("::", StringComparison.OrdinalIgnoreCase);
if (index != -1)
{
usn = usn.Substring(0, index);
}
if (found)
{
return usn;
}
return usn.GetMD5().ToString("N");
}
private async Task AddDevice(UpnpDeviceInfo info, string location, CancellationToken cancellationToken)
{
var uri = info.Location;
_logger.LogDebug("Attempting to create PlayToController from location {0}", location);
_logger.LogDebug("Logging session activity from location {0}", location);
if (info.Headers.TryGetValue("USN", out string uuid))
{
uuid = GetUuid(uuid);
}
else
{
uuid = location.GetMD5().ToString("N");
}
var sessionInfo = _sessionManager.LogSessionActivity("DLNA", _appHost.ApplicationVersion, uuid, null, uri.OriginalString, null);
var controller = sessionInfo.SessionControllers.OfType<PlayToController>().FirstOrDefault();
if (controller == null)
{
var device = await Device.CreateuPnpDeviceAsync(uri, _httpClient, _config, _logger, cancellationToken).ConfigureAwait(false);
string deviceName = device.Properties.Name;
_sessionManager.UpdateDeviceName(sessionInfo.Id, deviceName);
string serverAddress;
if (info.LocalIpAddress == null || info.LocalIpAddress.Equals(IpAddressInfo.Any) || info.LocalIpAddress.Equals(IpAddressInfo.IPv6Any))
{
serverAddress = await _appHost.GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
}
else
{
serverAddress = _appHost.GetLocalApiUrl(info.LocalIpAddress);
}
controller = new PlayToController(sessionInfo,
_sessionManager,
_libraryManager,
_logger,
_dlnaManager,
_userManager,
_imageProcessor,
serverAddress,
null,
_deviceDiscovery,
_userDataManager,
_localization,
_mediaSourceManager,
_config,
_mediaEncoder);
sessionInfo.AddController(controller);
controller.Init(device);
var profile = _dlnaManager.GetProfile(device.Properties.ToDeviceIdentification()) ??
_dlnaManager.GetDefaultProfile();
_sessionManager.ReportCapabilities(sessionInfo.Id, new ClientCapabilities
{
PlayableMediaTypes = profile.GetSupportedMediaTypes(),
SupportedCommands = new string[]
{
GeneralCommandType.VolumeDown.ToString(),
GeneralCommandType.VolumeUp.ToString(),
GeneralCommandType.Mute.ToString(),
GeneralCommandType.Unmute.ToString(),
GeneralCommandType.ToggleMute.ToString(),
GeneralCommandType.SetVolume.ToString(),
GeneralCommandType.SetAudioStreamIndex.ToString(),
GeneralCommandType.SetSubtitleStreamIndex.ToString(),
GeneralCommandType.PlayMediaSource.ToString()
},
SupportsMediaControl = true
});
_logger.LogInformation("DLNA Session created for {0} - {1}", device.Properties.Name, device.Properties.ModelName);
}
}
public void Dispose()
{
_deviceDiscovery.DeviceDiscovered -= _deviceDiscovery_DeviceDiscovered;
try
{
_disposeCancellationTokenSource.Cancel();
}
catch
{
}
_disposed = true;
}
}
}
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