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# Conflicts: # Emby.Server.Implementations/Net/SocketFactory.cs # RSSDP/SsdpCommunicationsServer.cs # RSSDP/SsdpDeviceLocator.cs # RSSDP/SsdpDevicePublisher.cs
154 lines
6 KiB
C#
154 lines
6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Net.Sockets;
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using System.Threading;
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using System.Threading.Tasks;
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using Emby.Server.Implementations.Udp;
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using Jellyfin.Networking.Configuration;
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using Jellyfin.Networking.Extensions;
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Plugins;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.EntryPoints
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{
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/// <summary>
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/// Class responsible for registering all UDP broadcast endpoints and their handlers.
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/// </summary>
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public sealed class UdpServerEntryPoint : IServerEntryPoint
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{
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/// <summary>
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/// The port of the UDP server.
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/// </summary>
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public const int PortNumber = 7359;
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/// <summary>
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/// The logger.
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/// </summary>
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private readonly ILogger<UdpServerEntryPoint> _logger;
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private readonly IServerApplicationHost _appHost;
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private readonly IConfiguration _config;
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private readonly IConfigurationManager _configurationManager;
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private readonly INetworkManager _networkManager;
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/// <summary>
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/// The UDP server.
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/// </summary>
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private readonly List<UdpServer> _udpServers;
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private readonly CancellationTokenSource _cancellationTokenSource = new CancellationTokenSource();
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private bool _disposed;
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/// <summary>
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/// Initializes a new instance of the <see cref="UdpServerEntryPoint" /> class.
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/// </summary>
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/// <param name="logger">Instance of the <see cref="ILogger{UdpServerEntryPoint}"/> interface.</param>
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/// <param name="appHost">Instance of the <see cref="IServerApplicationHost"/> interface.</param>
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/// <param name="configuration">Instance of the <see cref="IConfiguration"/> interface.</param>
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/// <param name="configurationManager">Instance of the <see cref="IConfigurationManager"/> interface.</param>
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/// <param name="networkManager">Instance of the <see cref="INetworkManager"/> interface.</param>
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public UdpServerEntryPoint(
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ILogger<UdpServerEntryPoint> logger,
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IServerApplicationHost appHost,
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IConfiguration configuration,
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IConfigurationManager configurationManager,
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INetworkManager networkManager)
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{
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_logger = logger;
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_appHost = appHost;
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_config = configuration;
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_configurationManager = configurationManager;
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_networkManager = networkManager;
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_udpServers = new List<UdpServer>();
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}
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/// <inheritdoc />
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public Task RunAsync()
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{
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CheckDisposed();
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if (!_configurationManager.GetNetworkConfiguration().AutoDiscovery)
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{
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return Task.CompletedTask;
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}
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try
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{
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// Linux needs to bind to the broadcast addresses to get broadcast traffic
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// Windows receives broadcast fine when binding to just the interface, it is unable to bind to broadcast addresses
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if (OperatingSystem.IsLinux())
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{
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// Add global broadcast listener
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var server = new UdpServer(_logger, _appHost, _config, IPAddress.Broadcast, PortNumber);
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server.Start(_cancellationTokenSource.Token);
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_udpServers.Add(server);
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// Add bind address specific broadcast listeners
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// IPv6 is currently unsupported
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var validInterfaces = _networkManager.GetInternalBindAddresses().Where(i => i.AddressFamily == AddressFamily.InterNetwork);
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foreach (var intf in validInterfaces)
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{
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var broadcastAddress = NetworkExtensions.GetBroadcastAddress(intf.Subnet);
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_logger.LogDebug("Binding UDP server to {Address} on port {PortNumber}", broadcastAddress, PortNumber);
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server = new UdpServer(_logger, _appHost, _config, broadcastAddress, PortNumber);
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server.Start(_cancellationTokenSource.Token);
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_udpServers.Add(server);
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}
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}
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else
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{
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// Add bind address specific broadcast listeners
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// IPv6 is currently unsupported
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var validInterfaces = _networkManager.GetInternalBindAddresses().Where(i => i.AddressFamily == AddressFamily.InterNetwork);
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foreach (var intf in validInterfaces)
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{
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var intfAddress = intf.Address;
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_logger.LogDebug("Binding UDP server to {Address} on port {PortNumber}", intfAddress, PortNumber);
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var server = new UdpServer(_logger, _appHost, _config, intfAddress, PortNumber);
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server.Start(_cancellationTokenSource.Token);
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_udpServers.Add(server);
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}
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}
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}
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catch (SocketException ex)
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{
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_logger.LogWarning(ex, "Unable to start AutoDiscovery listener on UDP port {PortNumber}", PortNumber);
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}
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return Task.CompletedTask;
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}
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private void CheckDisposed()
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{
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if (_disposed)
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{
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throw new ObjectDisposedException(GetType().Name);
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}
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}
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/// <inheritdoc />
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public void Dispose()
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{
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if (_disposed)
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{
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return;
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}
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_cancellationTokenSource.Cancel();
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_cancellationTokenSource.Dispose();
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foreach (var server in _udpServers)
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{
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server.Dispose();
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}
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_udpServers.Clear();
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_disposed = true;
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}
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}
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}
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