jellyfin-server/MediaBrowser.Server.Implementations/Session/WebSocketController.cs
2014-05-08 16:09:53 -04:00

215 lines
6.5 KiB
C#

using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Net;
using MediaBrowser.Model.Session;
using MediaBrowser.Model.System;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.Session
{
public class WebSocketController : ISessionController
{
public SessionInfo Session { get; private set; }
public List<IWebSocketConnection> Sockets { get; private set; }
private readonly IServerApplicationHost _appHost;
public WebSocketController(SessionInfo session, IServerApplicationHost appHost)
{
Session = session;
_appHost = appHost;
Sockets = new List<IWebSocketConnection>();
}
public bool SupportsMediaRemoteControl
{
get
{
return Sockets.Any(i => i.State == WebSocketState.Open);
}
}
public bool IsSessionActive
{
get
{
return Sockets.Any(i => i.State == WebSocketState.Open);
}
}
private IWebSocketConnection GetActiveSocket()
{
var socket = Sockets
.OrderByDescending(i => i.LastActivityDate)
.FirstOrDefault(i => i.State == WebSocketState.Open);
if (socket == null)
{
throw new InvalidOperationException("The requested session does not have an open web socket.");
}
return socket;
}
public Task SendPlayCommand(PlayRequest command, CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<PlayRequest>
{
MessageType = "Play",
Data = command
}, cancellationToken);
}
public Task SendPlaystateCommand(PlaystateRequest command, CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<PlaystateRequest>
{
MessageType = "Playstate",
Data = command
}, cancellationToken);
}
public Task SendLibraryUpdateInfo(LibraryUpdateInfo info, CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<LibraryUpdateInfo>
{
MessageType = "LibraryChanged",
Data = info
}, cancellationToken);
}
/// <summary>
/// Sends the restart required message.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public Task SendRestartRequiredNotification(CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<SystemInfo>
{
MessageType = "RestartRequired",
Data = _appHost.GetSystemInfo()
}, cancellationToken);
}
/// <summary>
/// Sends the user data change info.
/// </summary>
/// <param name="info">The info.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public Task SendUserDataChangeInfo(UserDataChangeInfo info, CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<UserDataChangeInfo>
{
MessageType = "UserDataChanged",
Data = info
}, cancellationToken);
}
/// <summary>
/// Sends the server shutdown notification.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public Task SendServerShutdownNotification(CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<string>
{
MessageType = "ServerShuttingDown",
Data = string.Empty
}, cancellationToken);
}
/// <summary>
/// Sends the server restart notification.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public Task SendServerRestartNotification(CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<string>
{
MessageType = "ServerRestarting",
Data = string.Empty
}, cancellationToken);
}
public Task SendGeneralCommand(GeneralCommand command, CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<GeneralCommand>
{
MessageType = "GeneralCommand",
Data = command
}, cancellationToken);
}
public Task SendSessionEndedNotification(SessionInfoDto sessionInfo, CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<SessionInfoDto>
{
MessageType = "SessionEnded",
Data = sessionInfo
}, cancellationToken);
}
public Task SendPlaybackStartNotification(SessionInfoDto sessionInfo, CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<SessionInfoDto>
{
MessageType = "PlaybackStart",
Data = sessionInfo
}, cancellationToken);
}
public Task SendPlaybackStoppedNotification(SessionInfoDto sessionInfo, CancellationToken cancellationToken)
{
var socket = GetActiveSocket();
return socket.SendAsync(new WebSocketMessage<SessionInfoDto>
{
MessageType = "PlaybackStopped",
Data = sessionInfo
}, cancellationToken);
}
}
}