jellyfin/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
2021-08-28 16:32:50 -06:00

96 lines
2.8 KiB
C#

using System;
using System.Net.Sockets;
using System.Threading;
using System.Threading.Tasks;
using Emby.Server.Implementations.Udp;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Plugins;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.EntryPoints
{
/// <summary>
/// Class UdpServerEntryPoint.
/// </summary>
public sealed class UdpServerEntryPoint : IServerEntryPoint
{
/// <summary>
/// The port of the UDP server.
/// </summary>
public const int PortNumber = 7359;
/// <summary>
/// The logger.
/// </summary>
private readonly ILogger<UdpServerEntryPoint> _logger;
private readonly IServerApplicationHost _appHost;
private readonly IConfiguration _config;
/// <summary>
/// The UDP server.
/// </summary>
private UdpServer? _udpServer;
private CancellationTokenSource _cancellationTokenSource = new CancellationTokenSource();
private bool _disposed = false;
/// <summary>
/// Initializes a new instance of the <see cref="UdpServerEntryPoint" /> class.
/// </summary>
/// <param name="logger">Instance of the <see cref="ILogger{UdpServerEntryPoint}"/> interface.</param>
/// <param name="appHost">Instance of the <see cref="IServerApplicationHost"/> interface.</param>
/// <param name="configuration">Instance of the <see cref="IConfiguration"/> interface.</param>
public UdpServerEntryPoint(
ILogger<UdpServerEntryPoint> logger,
IServerApplicationHost appHost,
IConfiguration configuration)
{
_logger = logger;
_appHost = appHost;
_config = configuration;
}
/// <inheritdoc />
public Task RunAsync()
{
CheckDisposed();
try
{
_udpServer = new UdpServer(_logger, _appHost, _config, PortNumber);
_udpServer.Start(_cancellationTokenSource.Token);
}
catch (SocketException ex)
{
_logger.LogWarning(ex, "Unable to start AutoDiscovery listener on UDP port {PortNumber}", PortNumber);
}
return Task.CompletedTask;
}
private void CheckDisposed()
{
if (_disposed)
{
throw new ObjectDisposedException(this.GetType().Name);
}
}
/// <inheritdoc />
public void Dispose()
{
if (_disposed)
{
return;
}
_cancellationTokenSource.Cancel();
_cancellationTokenSource.Dispose();
_udpServer?.Dispose();
_udpServer = null;
_disposed = true;
}
}
}