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Diffstat (limited to 'MediaBrowser.Dlna/Ssdp/SsdpHandler.cs')
-rw-r--r--MediaBrowser.Dlna/Ssdp/SsdpHandler.cs328
1 files changed, 0 insertions, 328 deletions
diff --git a/MediaBrowser.Dlna/Ssdp/SsdpHandler.cs b/MediaBrowser.Dlna/Ssdp/SsdpHandler.cs
deleted file mode 100644
index 0d0ca98a28..0000000000
--- a/MediaBrowser.Dlna/Ssdp/SsdpHandler.cs
+++ /dev/null
@@ -1,328 +0,0 @@
-using MediaBrowser.Common;
-using MediaBrowser.Common.Configuration;
-using MediaBrowser.Common.Events;
-using MediaBrowser.Controller.Configuration;
-using MediaBrowser.Controller.Dlna;
-using MediaBrowser.Dlna.Server;
-using MediaBrowser.Model.Logging;
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.Linq;
-using System.Net;
-using System.Net.Sockets;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
-using Microsoft.Win32;
-
-namespace MediaBrowser.Dlna.Ssdp
-{
- public class SsdpHandler : IDisposable, ISsdpHandler
- {
- private Socket _multicastSocket;
-
- private readonly ILogger _logger;
- private readonly IServerConfigurationManager _config;
-
- const string SSDPAddr = "239.255.255.250";
- const int SSDPPort = 1900;
- private readonly string _serverSignature;
-
- private readonly IPAddress _ssdpIp = IPAddress.Parse(SSDPAddr);
- private readonly IPEndPoint _ssdpEndp = new IPEndPoint(IPAddress.Parse(SSDPAddr), SSDPPort);
-
- private Timer _notificationTimer;
-
- private bool _isDisposed;
- private readonly Dictionary<string, List<UpnpDevice>> _devices = new Dictionary<string, List<UpnpDevice>>();
-
- private readonly IApplicationHost _appHost;
-
- private readonly int _unicastPort = 1901;
- private UdpClient _unicastClient;
-
- public SsdpHandler(ILogger logger, IServerConfigurationManager config, IApplicationHost appHost)
- {
- _logger = logger;
- _config = config;
- _appHost = appHost;
-
- _config.NamedConfigurationUpdated += _config_ConfigurationUpdated;
- _serverSignature = GenerateServerSignature();
- }
-
- private string GenerateServerSignature()
- {
- var os = Environment.OSVersion;
- var pstring = os.Platform.ToString();
- switch (os.Platform)
- {
- case PlatformID.Win32NT:
- case PlatformID.Win32S:
- case PlatformID.Win32Windows:
- pstring = "WIN";
- break;
- }
-
- return String.Format(
- "{0}{1}/{2}.{3} UPnP/1.0 DLNADOC/1.5 Emby/{4}",
- pstring,
- IntPtr.Size * 8,
- os.Version.Major,
- os.Version.Minor,
- _appHost.ApplicationVersion
- );
- }
-
- void _config_ConfigurationUpdated(object sender, ConfigurationUpdateEventArgs e)
- {
- if (string.Equals(e.Key, "dlna", StringComparison.OrdinalIgnoreCase))
- {
- ReloadAliveNotifier();
- }
- }
-
- public IEnumerable<UpnpDevice> RegisteredDevices
- {
- get
- {
- lock (_devices)
- {
- var devices = _devices.ToList();
-
- return devices.SelectMany(i => i.Value).ToList();
- }
- }
- }
-
- public void Start()
- {
- DisposeSocket();
- StopAliveNotifier();
-
- RestartSocketListener();
- ReloadAliveNotifier();
-
- SystemEvents.PowerModeChanged -= SystemEvents_PowerModeChanged;
- SystemEvents.PowerModeChanged += SystemEvents_PowerModeChanged;
- }
-
- void SystemEvents_PowerModeChanged(object sender, PowerModeChangedEventArgs e)
- {
- if (e.Mode == PowerModes.Resume)
- {
- Start();
- }
- }
-
- public async void SendDatagram(string msg,
- EndPoint endpoint,
- EndPoint localAddress,
- bool isBroadcast,
- int sendCount = 3)
- {
- var enableDebugLogging = _config.GetDlnaConfiguration().EnableDebugLog;
-
- for (var i = 0; i < sendCount; i++)
- {
- if (i > 0)
- {
- await Task.Delay(500).ConfigureAwait(false);
- }
-
- var dgram = new Datagram(endpoint, localAddress, _logger, msg, isBroadcast, enableDebugLogging);
- dgram.Send();
- }
- }
-
- private void RestartSocketListener()
- {
- if (_isDisposed)
- {
- return;
- }
-
- try
- {
- _multicastSocket = CreateMulticastSocket();
-
- _logger.Info("MultiCast socket created");
- }
- catch (Exception ex)
- {
- _logger.ErrorException("Error creating MultiCast socket", ex);
- //StartSocketRetryTimer();
- }
- }
-
- public void Dispose()
- {
- _config.NamedConfigurationUpdated -= _config_ConfigurationUpdated;
- SystemEvents.PowerModeChanged -= SystemEvents_PowerModeChanged;
-
- _isDisposed = true;
-
- DisposeSocket();
- StopAliveNotifier();
- }
-
- private void DisposeSocket()
- {
- if (_multicastSocket != null)
- {
- _multicastSocket.Close();
- _multicastSocket.Dispose();
- _multicastSocket = null;
- }
- }
-
- private Socket CreateMulticastSocket()
- {
- var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
- socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
- socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
- socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, 4);
- socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(_ssdpIp, 0));
-
- socket.Bind(new IPEndPoint(IPAddress.Any, SSDPPort));
-
- return socket;
- }
-
- private void NotifyAll()
- {
- var enableDebugLogging = _config.GetDlnaConfiguration().EnableDebugLog;
-
- if (enableDebugLogging)
- {
- _logger.Debug("Sending alive notifications");
- }
- foreach (var d in RegisteredDevices)
- {
- NotifyDevice(d, "alive", enableDebugLogging);
- }
- }
-
- private void NotifyDevice(UpnpDevice dev, string type, bool logMessage)
- {
- const string header = "NOTIFY * HTTP/1.1";
-
- var values = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
-
- // If needed later for non-server devices, these headers will need to be dynamic
- values["HOST"] = "239.255.255.250:1900";
- values["CACHE-CONTROL"] = "max-age = 600";
- values["LOCATION"] = dev.Descriptor.ToString();
- values["SERVER"] = _serverSignature;
- values["NTS"] = "ssdp:" + type;
- values["NT"] = dev.Type;
- values["USN"] = dev.USN;
-
- if (logMessage)
- {
- _logger.Debug("{0} said {1}", dev.USN, type);
- }
-
- var msg = new SsdpMessageBuilder().BuildMessage(header, values);
-
- SendDatagram(msg, _ssdpEndp, new IPEndPoint(dev.Address, 0), true, 2);
- //SendUnicastRequest(msg, 1);
- }
-
- public void RegisterNotification(string uuid, Uri descriptionUri, IPAddress address, IEnumerable<string> services)
- {
- lock (_devices)
- {
- List<UpnpDevice> list;
- List<UpnpDevice> dl;
- if (_devices.TryGetValue(uuid, out dl))
- {
- list = dl;
- }
- else
- {
- list = new List<UpnpDevice>();
- _devices[uuid] = list;
- }
-
- list.AddRange(services.Select(i => new UpnpDevice(uuid, i, descriptionUri, address)));
-
- NotifyAll();
- _logger.Debug("Registered mount {0} at {1}", uuid, descriptionUri);
- }
- }
-
- public void UnregisterNotification(string uuid)
- {
- lock (_devices)
- {
- List<UpnpDevice> dl;
- if (_devices.TryGetValue(uuid, out dl))
- {
- _devices.Remove(uuid);
- foreach (var d in dl.ToList())
- {
- NotifyDevice(d, "byebye", true);
- }
-
- _logger.Debug("Unregistered mount {0}", uuid);
- }
- }
- }
-
- private readonly object _notificationTimerSyncLock = new object();
- private int _aliveNotifierIntervalMs;
- private void ReloadAliveNotifier()
- {
- var config = _config.GetDlnaConfiguration();
-
- if (!config.BlastAliveMessages)
- {
- StopAliveNotifier();
- return;
- }
-
- var intervalMs = config.BlastAliveMessageIntervalSeconds * 1000;
-
- if (_notificationTimer == null || _aliveNotifierIntervalMs != intervalMs)
- {
- lock (_notificationTimerSyncLock)
- {
- if (_notificationTimer == null)
- {
- _logger.Debug("Starting alive notifier");
- const int initialDelayMs = 3000;
- _notificationTimer = new Timer(state => NotifyAll(), null, initialDelayMs, intervalMs);
- }
- else
- {
- _logger.Debug("Updating alive notifier");
- _notificationTimer.Change(intervalMs, intervalMs);
- }
-
- _aliveNotifierIntervalMs = intervalMs;
- }
- }
- }
-
- private void StopAliveNotifier()
- {
- lock (_notificationTimerSyncLock)
- {
- if (_notificationTimer != null)
- {
- _logger.Debug("Stopping alive notifier");
- _notificationTimer.Dispose();
- _notificationTimer = null;
- }
- }
- }
-
- public class UdpState
- {
- public UdpClient UdpClient;
- public IPEndPoint EndPoint;
- }
- }
-}