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Implement syncplay backend

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pull/2733/head
gion 5 years ago
parent ab8a5595f6
commit 10c2c62f07
17 changed files with 1491 additions and 0 deletions
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4
Emby.Server.Implementations/ApplicationHost.cs
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@ -47,6 +47,7 @@ using Emby.Server.Implementations.Session;
using Emby.Server.Implementations.SocketSharp;
using Emby.Server.Implementations.TV;
using Emby.Server.Implementations.Updates;
using Emby.Server.Implementations.Syncplay;
using MediaBrowser.Api;
using MediaBrowser.Common;
using MediaBrowser.Common.Configuration;
@ -80,6 +81,7 @@ using MediaBrowser.Controller.Session;
using MediaBrowser.Controller.Sorting;
using MediaBrowser.Controller.Subtitles;
using MediaBrowser.Controller.TV;
using MediaBrowser.Controller.Syncplay;
using MediaBrowser.LocalMetadata.Savers;
using MediaBrowser.MediaEncoding.BdInfo;
using MediaBrowser.Model.Activity;
@ -643,6 +645,8 @@ namespace Emby.Server.Implementations
serviceCollection.AddSingleton<IPlaylistManager, PlaylistManager>();
serviceCollection.AddSingleton<ISyncplayManager, SyncplayManager>();
serviceCollection.AddSingleton<LiveTvDtoService>();
serviceCollection.AddSingleton<ILiveTvManager, LiveTvManager>();

17
Emby.Server.Implementations/Session/SessionManager.cs
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@ -25,6 +25,7 @@ using MediaBrowser.Model.Events;
using MediaBrowser.Model.Library;
using MediaBrowser.Model.Querying;
using MediaBrowser.Model.Session;
using MediaBrowser.Model.Syncplay;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Session
@ -1154,6 +1155,22 @@ namespace Emby.Server.Implementations.Session
await SendMessageToSession(session, "Play", command, cancellationToken).ConfigureAwait(false);
}
/// <inheritdoc />
public async Task SendSyncplayCommand(string sessionId, SyncplayCommand command, CancellationToken cancellationToken)
{
CheckDisposed();
var session = GetSessionToRemoteControl(sessionId);
await SendMessageToSession(session, "SyncplayCommand", command, cancellationToken).ConfigureAwait(false);
}
/// <inheritdoc />
public async Task SendSyncplayGroupUpdate<T>(string sessionId, SyncplayGroupUpdate<T> command, CancellationToken cancellationToken)
{
CheckDisposed();
var session = GetSessionToRemoteControl(sessionId);
await SendMessageToSession(session, "SyncplayGroupUpdate", command, cancellationToken).ConfigureAwait(false);
}
private IEnumerable<BaseItem> TranslateItemForPlayback(Guid id, User user)
{
var item = _libraryManager.GetItemById(id);

418
Emby.Server.Implementations/Syncplay/SyncplayController.cs
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@ -0,0 +1,418 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller.Session;
using MediaBrowser.Controller.Syncplay;
using MediaBrowser.Model.Session;
using MediaBrowser.Model.Syncplay;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Syncplay
{
/// <summary>
/// Class SyncplayController.
/// </summary>
public class SyncplayController : ISyncplayController, IDisposable
{
private enum BroadcastType
{
AllGroup = 0,
SingleUser = 1,
AllExceptUser = 2,
AllReady = 3
}
/// <summary>
/// The logger.
/// </summary>
private readonly ILogger _logger;
/// <summary>
/// The session manager.
/// </summary>
private readonly ISessionManager _sessionManager;
/// <summary>
/// The syncplay manager.
/// </summary>
private readonly ISyncplayManager _syncplayManager;
/// <summary>
/// The group to manage.
/// </summary>
private readonly GroupInfo _group = new GroupInfo();
/// <inheritdoc />
public Guid GetGroupId() => _group.GroupId;
/// <inheritdoc />
public Guid GetPlayingItemId() => _group.PlayingItem.Id;
/// <inheritdoc />
public bool IsGroupEmpty() => _group.IsEmpty();
private bool _disposed = false;
public SyncplayController(
ILogger logger,
ISessionManager sessionManager,
ISyncplayManager syncplayManager)
{
_logger = logger;
_sessionManager = sessionManager;
_syncplayManager = syncplayManager;
}
/// <inheritdoc />
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
/// <summary>
/// Releases unmanaged and optionally managed resources.
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_disposed = true;
}
// TODO: use this somewhere
private void CheckDisposed()
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().Name);
}
}
private SessionInfo[] FilterUsers(SessionInfo from, BroadcastType type)
{
if (type == BroadcastType.SingleUser)
{
return new SessionInfo[] { from };
}
else if (type == BroadcastType.AllGroup)
{
return _group.Partecipants.Values.Select(
user => user.Session
).ToArray();
}
else if (type == BroadcastType.AllExceptUser)
{
return _group.Partecipants.Values.Select(
user => user.Session
).Where(
user => !user.Id.Equals(from.Id)
).ToArray();
}
else if (type == BroadcastType.AllReady)
{
return _group.Partecipants.Values.Where(
user => !user.IsBuffering
).Select(
user => user.Session
).ToArray();
}
else
{
return new SessionInfo[] {};
}
}
private Task SendGroupUpdate<T>(SessionInfo from, BroadcastType type, SyncplayGroupUpdate<T> message)
{
IEnumerable<Task> GetTasks()
{
SessionInfo[] users = FilterUsers(from, type);
foreach (var user in users)
{
yield return _sessionManager.SendSyncplayGroupUpdate(user.Id.ToString(), message, CancellationToken.None);
}
}
return Task.WhenAll(GetTasks());
}
private Task SendCommand(SessionInfo from, BroadcastType type, SyncplayCommand message)
{
IEnumerable<Task> GetTasks()
{
SessionInfo[] users = FilterUsers(from, type);
foreach (var user in users)
{
yield return _sessionManager.SendSyncplayCommand(user.Id.ToString(), message, CancellationToken.None);
}
}
return Task.WhenAll(GetTasks());
}
private SyncplayCommand NewSyncplayCommand(SyncplayCommandType type) {
var command = new SyncplayCommand();
command.GroupId = _group.GroupId.ToString();
command.Command = type;
command.PositionTicks = _group.PositionTicks;
command.When = _group.LastActivity.ToUniversalTime().ToString("o");
return command;
}
private SyncplayGroupUpdate<T> NewSyncplayGroupUpdate<T>(SyncplayGroupUpdateType type, T data)
{
var command = new SyncplayGroupUpdate<T>();
command.GroupId = _group.GroupId.ToString();
command.Type = type;
command.Data = data;
return command;
}
/// <inheritdoc />
public void InitGroup(SessionInfo user)
{
_group.AddUser(user);
_syncplayManager.MapUserToGroup(user, this);
_group.PlayingItem = user.FullNowPlayingItem;
_group.IsPaused = true;
_group.PositionTicks = user.PlayState.PositionTicks ??= 0;
_group.LastActivity = DateTime.UtcNow;
var updateUser = NewSyncplayGroupUpdate(SyncplayGroupUpdateType.GroupJoined, DateTime.UtcNow.ToUniversalTime().ToString("o"));
SendGroupUpdate(user, BroadcastType.SingleUser, updateUser);
var pauseCommand = NewSyncplayCommand(SyncplayCommandType.Pause);
SendCommand(user, BroadcastType.SingleUser, pauseCommand);
}
/// <inheritdoc />
public void UserJoin(SessionInfo user)
{
if (user.NowPlayingItem != null && user.NowPlayingItem.Id.Equals(_group.PlayingItem.Id))
{
_group.AddUser(user);
_syncplayManager.MapUserToGroup(user, this);
var updateUser = NewSyncplayGroupUpdate(SyncplayGroupUpdateType.GroupJoined, _group.PositionTicks);
SendGroupUpdate(user, BroadcastType.SingleUser, updateUser);
var updateOthers = NewSyncplayGroupUpdate(SyncplayGroupUpdateType.UserJoined, user.UserName);
SendGroupUpdate(user, BroadcastType.AllExceptUser, updateOthers);
// Client join and play, syncing will happen client side
if (!_group.IsPaused)
{
var playCommand = NewSyncplayCommand(SyncplayCommandType.Play);
SendCommand(user, BroadcastType.SingleUser, playCommand);
}
else
{
var pauseCommand = NewSyncplayCommand(SyncplayCommandType.Pause);
SendCommand(user, BroadcastType.SingleUser, pauseCommand);
}
}
else
{
var playRequest = new PlayRequest();
playRequest.ItemIds = new Guid[] { _group.PlayingItem.Id };
playRequest.StartPositionTicks = _group.PositionTicks;
var update = NewSyncplayGroupUpdate(SyncplayGroupUpdateType.PrepareSession, playRequest);
SendGroupUpdate(user, BroadcastType.SingleUser, update);
}
}
/// <inheritdoc />
public void UserLeave(SessionInfo user)
{
_group.RemoveUser(user);
_syncplayManager.UnmapUserFromGroup(user, this);
var updateUser = NewSyncplayGroupUpdate(SyncplayGroupUpdateType.GroupLeft, _group.PositionTicks);
SendGroupUpdate(user, BroadcastType.SingleUser, updateUser);
var updateOthers = NewSyncplayGroupUpdate(SyncplayGroupUpdateType.UserLeft, user.UserName);
SendGroupUpdate(user, BroadcastType.AllExceptUser, updateOthers);
}
/// <inheritdoc />
public void HandleRequest(SessionInfo user, SyncplayRequestInfo request)
{
if (request.Type.Equals(SyncplayRequestType.Play))
{
if (_group.IsPaused)
{
var delay = _group.GetHighestPing() * 2;
delay = delay < _group.DefaulPing ? _group.DefaulPing : delay;
_group.IsPaused = false;
_group.LastActivity = DateTime.UtcNow.AddMilliseconds(
delay
);
var command = NewSyncplayCommand(SyncplayCommandType.Play);
SendCommand(user, BroadcastType.AllGroup, command);
}
else
{
// Client got lost
var command = NewSyncplayCommand(SyncplayCommandType.Play);
SendCommand(user, BroadcastType.SingleUser, command);
}
}
else if (request.Type.Equals(SyncplayRequestType.Pause))
{
if (!_group.IsPaused)
{
_group.IsPaused = true;
var currentTime = DateTime.UtcNow;
var elapsedTime = currentTime - _group.LastActivity;
_group.LastActivity = currentTime;
_group.PositionTicks += elapsedTime.Ticks > 0 ? elapsedTime.Ticks : 0;
var command = NewSyncplayCommand(SyncplayCommandType.Pause);
SendCommand(user, BroadcastType.AllGroup, command);
}
else
{
var command = NewSyncplayCommand(SyncplayCommandType.Pause);
SendCommand(user, BroadcastType.SingleUser, command);
}
}
else if (request.Type.Equals(SyncplayRequestType.Seek))
{
// Sanitize PositionTicks
var ticks = request.PositionTicks ??= 0;
ticks = ticks >= 0 ? ticks : 0;
if (_group.PlayingItem.RunTimeTicks != null)
{
var runTimeTicks = _group.PlayingItem.RunTimeTicks ??= 0;
ticks = ticks > runTimeTicks ? runTimeTicks : ticks;
}
_group.IsPaused = true;
_group.PositionTicks = ticks;
_group.LastActivity = DateTime.UtcNow;
var command = NewSyncplayCommand(SyncplayCommandType.Seek);
SendCommand(user, BroadcastType.AllGroup, command);
}
// TODO: client does not implement this yet
else if (request.Type.Equals(SyncplayRequestType.Buffering))
{
if (!_group.IsPaused)
{
_group.IsPaused = true;
var currentTime = DateTime.UtcNow;
var elapsedTime = currentTime - _group.LastActivity;
_group.LastActivity = currentTime;
_group.PositionTicks += elapsedTime.Ticks > 0 ? elapsedTime.Ticks : 0;
_group.SetBuffering(user, true);
// Send pause command to all non-buffering users
var command = NewSyncplayCommand(SyncplayCommandType.Pause);
SendCommand(user, BroadcastType.AllReady, command);
var updateOthers = NewSyncplayGroupUpdate(SyncplayGroupUpdateType.GroupWait, user.UserName);
SendGroupUpdate(user, BroadcastType.AllExceptUser, updateOthers);
}
else
{
var command = NewSyncplayCommand(SyncplayCommandType.Pause);
SendCommand(user, BroadcastType.SingleUser, command);
}
}
// TODO: client does not implement this yet
else if (request.Type.Equals(SyncplayRequestType.BufferingComplete))
{
if (_group.IsPaused)
{
_group.SetBuffering(user, false);
if (_group.IsBuffering()) {
// Others are buffering, tell this client to pause when ready
var when = request.When ??= DateTime.UtcNow;
var currentTime = DateTime.UtcNow;
var elapsedTime = currentTime - when;
var clientPosition = TimeSpan.FromTicks(request.PositionTicks ??= 0) + elapsedTime;
var delay = _group.PositionTicks - clientPosition.Ticks;
var command = NewSyncplayCommand(SyncplayCommandType.Pause);
command.When = currentTime.AddMilliseconds(
delay
).ToUniversalTime().ToString("o");
SendCommand(user, BroadcastType.SingleUser, command);
}
else
{
// Let other clients resume as soon as the buffering client catches up
var when = request.When ??= DateTime.UtcNow;
var currentTime = DateTime.UtcNow;
var elapsedTime = currentTime - when;
var clientPosition = TimeSpan.FromTicks(request.PositionTicks ??= 0) + elapsedTime;
var delay = _group.PositionTicks - clientPosition.Ticks;
_group.IsPaused = false;
if (delay > _group.GetHighestPing() * 2)
{
// Client that was buffering is recovering, notifying others to resume
_group.LastActivity = currentTime.AddMilliseconds(
delay
);
var command = NewSyncplayCommand(SyncplayCommandType.Play);
SendCommand(user, BroadcastType.AllExceptUser, command);
}
else
{
// Client, that was buffering, resumed playback but did not update others in time
delay = _group.GetHighestPing() * 2;
delay = delay < _group.DefaulPing ? _group.DefaulPing : delay;
_group.LastActivity = currentTime.AddMilliseconds(
delay
);
var command = NewSyncplayCommand(SyncplayCommandType.Play);
SendCommand(user, BroadcastType.AllGroup, command);
}
}
}
else
{
// Make sure client has latest group state
var command = NewSyncplayCommand(SyncplayCommandType.Play);
SendCommand(user, BroadcastType.SingleUser, command);
}
}
else if (request.Type.Equals(SyncplayRequestType.KeepAlive))
{
_group.UpdatePing(user, request.Ping ??= _group.DefaulPing);
var keepAlive = new SyncplayGroupUpdate<string>();
keepAlive.GroupId = _group.GroupId.ToString();
keepAlive.Type = SyncplayGroupUpdateType.KeepAlive;
SendGroupUpdate(user, BroadcastType.SingleUser, keepAlive);
}
}
/// <inheritdoc />
public GroupInfoView GetInfo()
{
var info = new GroupInfoView();
info.GroupId = GetGroupId().ToString();
info.PlayingItemName = _group.PlayingItem.Name;
info.PlayingItemId = _group.PlayingItem.Id.ToString();
info.PositionTicks = _group.PositionTicks;
info.Partecipants = _group.Partecipants.Values.Select(user => user.Session.UserName).ToArray();
return info;
}
}
}

248
Emby.Server.Implementations/Syncplay/SyncplayManager.cs
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@ -0,0 +1,248 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using Microsoft.Extensions.Logging;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Session;
using MediaBrowser.Controller.Syncplay;
using MediaBrowser.Model.Syncplay;
namespace Emby.Server.Implementations.Syncplay
{
/// <summary>
/// Class SyncplayManager.
/// </summary>
public class SyncplayManager : ISyncplayManager, IDisposable
{
/// <summary>
/// The logger.
/// </summary>
private readonly ILogger _logger;
/// <summary>
/// The session manager.
/// </summary>
private readonly ISessionManager _sessionManager;
/// <summary>
/// The map between users and groups.
/// </summary>
private readonly ConcurrentDictionary<string, ISyncplayController> _userToGroupMap =
new ConcurrentDictionary<string, ISyncplayController>(StringComparer.OrdinalIgnoreCase);
/// <summary>
/// The groups.
/// </summary>
private readonly ConcurrentDictionary<string, ISyncplayController> _groups =
new ConcurrentDictionary<string, ISyncplayController>(StringComparer.OrdinalIgnoreCase);
private bool _disposed = false;
public SyncplayManager(
ILogger<SyncplayManager> logger,
ISessionManager sessionManager)
{
_logger = logger;
_sessionManager = sessionManager;
_sessionManager.SessionEnded += _sessionManager_SessionEnded;
_sessionManager.PlaybackStopped += _sessionManager_PlaybackStopped;
}
/// <summary>
/// Gets all groups.
/// </summary>
/// <value>All groups.</value>
public IEnumerable<ISyncplayController> Groups => _groups.Values;
/// <inheritdoc />
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
/// <summary>
/// Releases unmanaged and optionally managed resources.
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_sessionManager.SessionEnded -= _sessionManager_SessionEnded;
_sessionManager.PlaybackStopped -= _sessionManager_PlaybackStopped;
_disposed = true;
}
private void CheckDisposed()
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().Name);
}
}
void _sessionManager_SessionEnded(object sender, SessionEventArgs e)
{
LeaveGroup(e.SessionInfo);
}
void _sessionManager_PlaybackStopped(object sender, PlaybackStopEventArgs e)
{
LeaveGroup(e.Session);
}
private bool IsUserInGroup(SessionInfo user)
{
return _userToGroupMap.ContainsKey(user.Id);
}
private Guid? GetUserGroup(SessionInfo user)
{
ISyncplayController group;
_userToGroupMap.TryGetValue(user.Id, out group);
if (group != null)
{
return group.GetGroupId();
}
else
{
return null;
}
}
/// <inheritdoc />
public void NewGroup(SessionInfo user)
{
if (IsUserInGroup(user))
{
LeaveGroup(user);
}
var group = new SyncplayController(_logger, _sessionManager, this);
_groups[group.GetGroupId().ToString()] = group;
group.InitGroup(user);
}
/// <inheritdoc />
public void JoinGroup(SessionInfo user, string groupId)
{
if (IsUserInGroup(user))
{
if (GetUserGroup(user).Equals(groupId)) return;
LeaveGroup(user);
}
ISyncplayController group;
_groups.TryGetValue(groupId, out group);
if (group == null)
{
_logger.LogError("Syncplaymanager JoinGroup: " + groupId + " does not exist.");
var update = new SyncplayGroupUpdate<string>();
update.Type = SyncplayGroupUpdateType.NotInGroup;
_sessionManager.SendSyncplayGroupUpdate(user.Id.ToString(), update, CancellationToken.None);
return;
}
group.UserJoin(user);
}
/// <inheritdoc />
public void LeaveGroup(SessionInfo user)
{
ISyncplayController group;
_userToGroupMap.TryGetValue(user.Id, out group);
if (group == null)
{
_logger.LogWarning("Syncplaymanager HandleRequest: " + user.Id + " not in group.");
var update = new SyncplayGroupUpdate<string>();
update.Type = SyncplayGroupUpdateType.NotInGroup;
_sessionManager.SendSyncplayGroupUpdate(user.Id.ToString(), update, CancellationToken.None);
return;
}
group.UserLeave(user);
if (group.IsGroupEmpty())
{
_groups.Remove(group.GetGroupId().ToString(), out _);
}
}
/// <inheritdoc />
public List<GroupInfoView> ListGroups(SessionInfo user)
{
// Filter by playing item if the user is viewing something already
if (user.NowPlayingItem != null)
{
return _groups.Values.Where(
group => group.GetPlayingItemId().Equals(user.FullNowPlayingItem.Id)
).Select(
group => group.GetInfo()
).ToList();
}
// Otherwise show all available groups
else
{
return _groups.Values.Select(
group => group.GetInfo()
).ToList();
}
}
/// <inheritdoc />
public void HandleRequest(SessionInfo user, SyncplayRequestInfo request)
{
ISyncplayController group;
_userToGroupMap.TryGetValue(user.Id, out group);
if (group == null)
{
_logger.LogWarning("Syncplaymanager HandleRequest: " + user.Id + " not in group.");
var update = new SyncplayGroupUpdate<string>();
update.Type = SyncplayGroupUpdateType.NotInGroup;
_sessionManager.SendSyncplayGroupUpdate(user.Id.ToString(), update, CancellationToken.None);
return;
}
group.HandleRequest(user, request);
}
/// <inheritdoc />
public void MapUserToGroup(SessionInfo user, ISyncplayController group)
{
if (IsUserInGroup(user))
{
throw new InvalidOperationException("User in other group already!");
}
_userToGroupMap[user.Id] = group;
}
/// <inheritdoc />
public void UnmapUserFromGroup(SessionInfo user, ISyncplayController group)
{
if (!IsUserInGroup(user))
{
throw new InvalidOperationException("User not in any group!");
}
ISyncplayController tempGroup;
_userToGroupMap.Remove(user.Id, out tempGroup);
if (!tempGroup.GetGroupId().Equals(group.GetGroupId()))
{
throw new InvalidOperationException("User was in wrong group!");
}
}
}
}

261
MediaBrowser.Api/Syncplay/SyncplayService.cs
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@ -0,0 +1,261 @@
using System;
using System.Collections.Generic;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Net;
using MediaBrowser.Controller.Session;
using MediaBrowser.Controller.Syncplay;
using MediaBrowser.Model.Services;
using MediaBrowser.Model.Syncplay;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Api.Syncplay
{
[Route("/Syncplay/{SessionId}/NewGroup", "POST", Summary = "Create a new Syncplay group")]
[Authenticated]
public class SyncplayNewGroup : IReturnVoid
{
[ApiMember(Name = "SessionId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string SessionId { get; set; }
}
[Route("/Syncplay/{SessionId}/JoinGroup", "POST", Summary = "Join an existing Syncplay group")]
[Authenticated]
public class SyncplayJoinGroup : IReturnVoid
{
[ApiMember(Name = "SessionId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string SessionId { get; set; }
/// <summary>
/// Gets or sets the Group id.
/// </summary>
/// <value>The Group id to join.</value>
[ApiMember(Name = "GroupId", Description = "Group Id", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
public string GroupId { get; set; }
}
[Route("/Syncplay/{SessionId}/LeaveGroup", "POST", Summary = "Leave joined Syncplay group")]
[Authenticated]
public class SyncplayLeaveGroup : IReturnVoid
{
[ApiMember(Name = "SessionId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string SessionId { get; set; }
}
[Route("/Syncplay/{SessionId}/ListGroups", "POST", Summary = "List Syncplay groups playing same item")]
[Authenticated]
public class SyncplayListGroups : IReturnVoid
{
[ApiMember(Name = "SessionId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string SessionId { get; set; }
}
[Route("/Syncplay/{SessionId}/PlayRequest", "POST", Summary = "Request play in Syncplay group")]
[Authenticated]
public class SyncplayPlayRequest : IReturnVoid
{
[ApiMember(Name = "SessionId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string SessionId { get; set; }
}
[Route("/Syncplay/{SessionId}/PauseRequest", "POST", Summary = "Request pause in Syncplay group")]
[Authenticated]
public class SyncplayPauseRequest : IReturnVoid
{
[ApiMember(Name = "SessionId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string SessionId { get; set; }
}
[Route("/Syncplay/{SessionId}/SeekRequest", "POST", Summary = "Request seek in Syncplay group")]
[Authenticated]
public class SyncplaySeekRequest : IReturnVoid
{
[ApiMember(Name = "SessionId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string SessionId { get; set; }
[ApiMember(Name = "PositionTicks", IsRequired = true, DataType = "long", ParameterType = "query", Verb = "POST")]
public long PositionTicks { get; set; }
}
[Route("/Syncplay/{SessionId}/BufferingRequest", "POST", Summary = "Request group wait in Syncplay group while buffering")]
[Authenticated]
public class SyncplayBufferingRequest : IReturnVoid
{
[ApiMember(Name = "SessionId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string SessionId { get; set; }
[ApiMember(Name = "When", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
public string When { get; set; }
[ApiMember(Name = "PositionTicks", IsRequired = true, DataType = "long", ParameterType = "query", Verb = "POST")]
public long PositionTicks { get; set; }
[ApiMember(Name = "Resume", IsRequired = true, DataType = "bool", ParameterType = "query", Verb = "POST")]
public bool Resume { get; set; }
}
[Route("/Syncplay/{SessionId}/KeepAlive", "POST", Summary = "Keep session alive")]
[Authenticated]
public class SyncplayKeepAlive : IReturnVoid
{
[ApiMember(Name = "SessionId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string SessionId { get; set; }
[ApiMember(Name = "Ping", IsRequired = true, DataType = "double", ParameterType = "query", Verb = "POST")]
public double Ping { get; set; }
}
[Route("/Syncplay/{SessionId}/GetUtcTime", "POST", Summary = "Get UtcTime")]
[Authenticated]
public class SyncplayGetUtcTime : IReturnVoid
{
[ApiMember(Name = "SessionId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string SessionId { get; set; }
}
/// <summary>
/// Class SyncplayService.
/// </summary>
public class SyncplayService : BaseApiService
{
/// <summary>
/// The session manager.
/// </summary>
private readonly ISessionManager _sessionManager;
private readonly ISessionContext _sessionContext;
/// <summary>
/// The Syncplay manager.
/// </summary>
private readonly ISyncplayManager _syncplayManager;
public SyncplayService(
ILogger<SyncplayService> logger,
IServerConfigurationManager serverConfigurationManager,
IHttpResultFactory httpResultFactory,
ISessionManager sessionManager,
ISessionContext sessionContext,
ISyncplayManager syncplayManager)
: base(logger, serverConfigurationManager, httpResultFactory)
{
_sessionManager = sessionManager;
_sessionContext = sessionContext;
_syncplayManager = syncplayManager;
}
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(SyncplayNewGroup request)
{
var currentSession = GetSession(_sessionContext);
_syncplayManager.NewGroup(currentSession);
}
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(SyncplayJoinGroup request)
{
var currentSession = GetSession(_sessionContext);
_syncplayManager.JoinGroup(currentSession, request.GroupId);
}
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(SyncplayLeaveGroup request)
{
var currentSession = GetSession(_sessionContext);
_syncplayManager.LeaveGroup(currentSession);
}
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <value>The requested list of groups.</value>
public List<GroupInfoView> Post(SyncplayListGroups request)
{
var currentSession = GetSession(_sessionContext);
return _syncplayManager.ListGroups(currentSession);
}
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(SyncplayPlayRequest request)
{
var currentSession = GetSession(_sessionContext);
var syncplayRequest = new SyncplayRequestInfo();
syncplayRequest.Type = SyncplayRequestType.Play;
_syncplayManager.HandleRequest(currentSession, syncplayRequest);
}
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(SyncplayPauseRequest request)
{
var currentSession = GetSession(_sessionContext);
var syncplayRequest = new SyncplayRequestInfo();
syncplayRequest.Type = SyncplayRequestType.Pause;
_syncplayManager.HandleRequest(currentSession, syncplayRequest);
}
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(SyncplaySeekRequest request)
{
var currentSession = GetSession(_sessionContext);
var syncplayRequest = new SyncplayRequestInfo();
syncplayRequest.Type = SyncplayRequestType.Seek;
syncplayRequest.PositionTicks = request.PositionTicks;
_syncplayManager.HandleRequest(currentSession, syncplayRequest);
}
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(SyncplayBufferingRequest request)
{
var currentSession = GetSession(_sessionContext);
var syncplayRequest = new SyncplayRequestInfo();
syncplayRequest.Type = request.Resume ? SyncplayRequestType.BufferingComplete : SyncplayRequestType.Buffering;
syncplayRequest.When = DateTime.Parse(request.When);
syncplayRequest.PositionTicks = request.PositionTicks;
_syncplayManager.HandleRequest(currentSession, syncplayRequest);
}
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(SyncplayKeepAlive request)
{
var currentSession = GetSession(_sessionContext);
var syncplayRequest = new SyncplayRequestInfo();
syncplayRequest.Type = SyncplayRequestType.KeepAlive;
syncplayRequest.Ping = Convert.ToInt64(request.Ping);
_syncplayManager.HandleRequest(currentSession, syncplayRequest);
}
/// <summary>
/// Handles the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <value>The current UTC time.</value>
public string Post(SyncplayGetUtcTime request)
{
return DateTime.UtcNow.ToUniversalTime().ToString("o");
}
}
}

19
MediaBrowser.Controller/Session/ISessionManager.cs
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@ -9,6 +9,7 @@ using MediaBrowser.Controller.Security;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Events;
using MediaBrowser.Model.Session;
using MediaBrowser.Model.Syncplay;
namespace MediaBrowser.Controller.Session
{
@ -140,6 +141,24 @@ namespace MediaBrowser.Controller.Session
/// <returns>Task.</returns>
Task SendPlayCommand(string controllingSessionId, string sessionId, PlayRequest command, CancellationToken cancellationToken);
/// <summary>
/// Sends the SyncplayCommand.
/// </summary>
/// <param name="sessionId">The session id.</param>
/// <param name="command">The command.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
Task SendSyncplayCommand(string sessionId, SyncplayCommand command, CancellationToken cancellationToken);
/// <summary>
/// Sends the SyncplayGroupUpdate.
/// </summary>
/// <param name="sessionId">The session id.</param>
/// <param name="command">The group update.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
Task SendSyncplayGroupUpdate<T>(string sessionId, SyncplayGroupUpdate<T> command, CancellationToken cancellationToken);
/// <summary>
/// Sends the browse command.
/// </summary>

148
MediaBrowser.Controller/Syncplay/GroupInfo.cs
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@ -0,0 +1,148 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Session;
namespace MediaBrowser.Controller.Syncplay
{
/// <summary>
/// Class GroupInfo.
/// </summary>
public class GroupInfo
{
/// <summary>
/// Default ping value used for users.
/// </summary>
public readonly long DefaulPing = 500;
/// <summary>
/// Gets or sets the group identifier.
/// </summary>
/// <value>The group identifier.</value>
public readonly Guid GroupId = Guid.NewGuid();
/// <summary>
/// Gets or sets the playing item.
/// </summary>
/// <value>The playing item.</value>
public BaseItem PlayingItem { get; set; }
/// <summary>
/// Gets or sets whether playback is paused.
/// </summary>
/// <value>Playback is paused.</value>
public bool IsPaused { get; set; }
/// <summary>
/// Gets or sets the position ticks.
/// </summary>
/// <value>The position ticks.</value>
public long PositionTicks { get; set; }
/// <summary>
/// Gets or sets the last activity.
/// </summary>
/// <value>The last activity.</value>
public DateTime LastActivity { get; set; }
/// <summary>
/// Gets the partecipants.
/// </summary>
/// <value>The partecipants.</value>
public readonly ConcurrentDictionary<string, GroupMember> Partecipants =
new ConcurrentDictionary<string, GroupMember>(StringComparer.OrdinalIgnoreCase);
/// <summary>
/// Checks if a user is in this group.
/// </summary>
/// <value><c>true</c> if the user is in this group; <c>false</c> otherwise.</value>
public bool ContainsUser(string sessionId)
{
return Partecipants.ContainsKey(sessionId);
}
/// <summary>
/// Adds the user to the group.
/// </summary>
/// <param name="user">The session.</param>
public void AddUser(SessionInfo user)
{
if (ContainsUser(user.Id.ToString())) return;
var member = new GroupMember();
member.Session = user;
member.Ping = DefaulPing;
member.IsBuffering = false;
Partecipants[user.Id.ToString()] = member;
}
/// <summary>
/// Removes the user from the group.
/// </summary>
/// <param name="user">The session.</param>
public void RemoveUser(SessionInfo user)
{
if (!ContainsUser(user.Id.ToString())) return;
GroupMember member;
Partecipants.Remove(user.Id.ToString(), out member);
}
/// <summary>
/// Updates the ping of a user.
/// </summary>
/// <param name="user">The session.</param>
/// <param name="ping">The ping.</param>
public void UpdatePing(SessionInfo user, long ping)
{
if (!ContainsUser(user.Id.ToString())) return;
Partecipants[user.Id.ToString()].Ping = ping;
}
/// <summary>
/// Gets the highest ping in the group.
/// </summary>
/// <value name="user">The highest ping in the group.</value>
public long GetHighestPing()
{
long max = Int64.MinValue;
foreach (var user in Partecipants.Values)
{
max = Math.Max(max, user.Ping);
}
return max;
}
/// <summary>
/// Sets the user's buffering state.
/// </summary>
/// <param name="user">The session.</param>
/// <param name="isBuffering">The state.</param>
public void SetBuffering(SessionInfo user, bool isBuffering)
{
if (!ContainsUser(user.Id.ToString())) return;
Partecipants[user.Id.ToString()].IsBuffering = isBuffering;
}
/// <summary>
/// Gets the group buffering state.
/// </summary>
/// <value><c>true</c> if there is a user buffering in the group; <c>false</c> otherwise.</value>
public bool IsBuffering()
{
foreach (var user in Partecipants.Values)
{
if (user.IsBuffering) return true;
}
return false;
}
/// <summary>
/// Checks if the group is empty.
/// </summary>
/// <value><c>true</c> if the group is empty; <c>false</c> otherwise.</value>
public bool IsEmpty()
{
return Partecipants.Count == 0;
}
}
}

28
MediaBrowser.Controller/Syncplay/GroupMember.cs
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@ -0,0 +1,28 @@
using MediaBrowser.Controller.Session;
namespace MediaBrowser.Controller.Syncplay
{
/// <summary>
/// Class GroupMember.
/// </summary>
public class GroupMember
{
/// <summary>
/// Gets or sets whether this member is buffering.
/// </summary>
/// <value><c>true</c> if member is buffering; <c>false</c> otherwise.</value>
public bool IsBuffering { get; set; }
/// <summary>
/// Gets or sets the session.
/// </summary>
/// <value>The session.</value>
public SessionInfo Session { get; set; }
/// <summary>
/// Gets or sets the ping.
/// </summary>
/// <value>The ping.</value>
public long Ping { get; set; }
}
}

61
MediaBrowser.Controller/Syncplay/ISyncplayController.cs
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@ -0,0 +1,61 @@
using System;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Syncplay;
namespace MediaBrowser.Controller.Syncplay
{
/// <summary>
/// Interface ISyncplayController.
/// </summary>
public interface ISyncplayController
{
/// <summary>
/// Gets the group id.
/// </summary>
/// <value>The group id.</value>
Guid GetGroupId();
/// <summary>
/// Gets the playing item id.
/// </summary>
/// <value>The playing item id.</value>
Guid GetPlayingItemId();
/// <summary>
/// Checks if the group is empty.
/// </summary>
/// <value>If the group is empty.</value>
bool IsGroupEmpty();
/// <summary>
/// Initializes the group with the user's info.
/// </summary>
/// <param name="user">The session.</param>
void InitGroup(SessionInfo user);
/// <summary>
/// Adds the user to the group.
/// </summary>
/// <param name="user">The session.</param>
void UserJoin(SessionInfo user);
/// <summary>
/// Removes the user from the group.
/// </summary>
/// <param name="user">The session.</param>
void UserLeave(SessionInfo user);
/// <summary>
/// Handles the requested action by the user.
/// </summary>
/// <param name="user">The session.</param>
/// <param name="request">The requested action.</param>
void HandleRequest(SessionInfo user, SyncplayRequestInfo request);
/// <summary>
/// Gets the info about the group for the clients.
/// </summary>
/// <value>The group info for the clients.</value>
GroupInfoView GetInfo();
}
}

62
MediaBrowser.Controller/Syncplay/ISyncplayManager.cs
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@ -0,0 +1,62 @@
using System;
using System.Collections.Generic;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Syncplay;
namespace MediaBrowser.Controller.Syncplay
{
/// <summary>
/// Interface ISyncplayManager.
/// </summary>
public interface ISyncplayManager
{
/// <summary>
/// Creates a new group.
/// </summary>
/// <param name="user">The user that's creating the group.</param>
void NewGroup(SessionInfo user);
/// <summary>
/// Adds the user to a group.
/// </summary>
/// <param name="user">The session.</param>
/// <param name="groupId">The group id.</param>
void JoinGroup(SessionInfo user, string groupId);
/// <summary>
/// Removes the user from a group.
/// </summary>
/// <param name="user">The session.</param>
void LeaveGroup(SessionInfo user);
/// <summary>
/// Gets list of available groups for a user.
/// </summary>
/// <param name="user">The user.</param>
/// <value>The list of available groups.</value>
List<GroupInfoView> ListGroups(SessionInfo user);
/// <summary>
/// Handle a request by a user in a group.
/// </summary>
/// <param name="user">The session.</param>
/// <param name="request">The request.</param>
void HandleRequest(SessionInfo user, SyncplayRequestInfo request);
/// <summary>
/// Maps a user to a group.
/// </summary>
/// <param name="user">The user.</param>
/// <param name="group">The group.</param>
/// <exception cref="InvalidOperationException"></exception>
void MapUserToGroup(SessionInfo user, ISyncplayController group);
/// <summary>
/// Unmaps a user from a group.
/// </summary>
/// <param name="user">The user.</param>
/// <param name="group">The group.</param>
/// <exception cref="InvalidOperationException"></exception>
void UnmapUserFromGroup(SessionInfo user, ISyncplayController group);
}
}

38
MediaBrowser.Model/Syncplay/GroupInfoModel.cs
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@ -0,0 +1,38 @@
namespace MediaBrowser.Model.Syncplay
{
/// <summary>
/// Class GroupInfoModel.
/// </summary>
public class GroupInfoView
{
/// <summary>
/// Gets or sets the group identifier.
/// </summary>
/// <value>The group identifier.</value>
public string GroupId { get; set; }
/// <summary>
/// Gets or sets the playing item id.
/// </summary>
/// <value>The playing item id.</value>
public string PlayingItemId { get; set; }
/// <summary>
/// Gets or sets the playing item name.
/// </summary>
/// <value>The playing item name.</value>
public string PlayingItemName { get; set; }
/// <summary>
/// Gets or sets the position ticks.
/// </summary>
/// <value>The position ticks.</value>
public long PositionTicks { get; set; }
/// <summary>
/// Gets or sets the partecipants.
/// </summary>
/// <value>The partecipants.</value>
public string[] Partecipants { get; set; }
}
}

32
MediaBrowser.Model/Syncplay/SyncplayCommand.cs
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@ -0,0 +1,32 @@
namespace MediaBrowser.Model.Syncplay
{
/// <summary>
/// Class SyncplayCommand.
/// </summary>
public class SyncplayCommand
{
/// <summary>
/// Gets or sets the group identifier.
/// </summary>
/// <value>The group identifier.</value>
public string GroupId { get; set; }
/// <summary>
/// Gets or sets the UTC time when to execute the command.
/// </summary>
/// <value>The UTC time when to execute the command.</value>
public string When { get; set; }
/// <summary>
/// Gets or sets the position ticks.
/// </summary>
/// <value>The position ticks.</value>
public long? PositionTicks { get; set; }
/// <summary>
/// Gets or sets the command.
/// </summary>
/// <value>The command.</value>
public SyncplayCommandType Command { get; set; }
}
}

21
MediaBrowser.Model/Syncplay/SyncplayCommandType.cs
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@ -0,0 +1,21 @@
namespace MediaBrowser.Model.Syncplay
{
/// <summary>
/// Enum SyncplayCommandType.
/// </summary>
public enum SyncplayCommandType
{
/// <summary>
/// The play command. Instructs users to start playback.
/// </summary>
Play = 0,
/// <summary>
/// The pause command. Instructs users to pause playback.
/// </summary>
Pause = 1,
/// <summary>
/// The seek command. Instructs users to seek to a specified time.
/// </summary>
Seek = 2
}
}

26
MediaBrowser.Model/Syncplay/SyncplayGroupUpdate.cs
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@ -0,0 +1,26 @@
namespace MediaBrowser.Model.Syncplay
{
/// <summary>
/// Class SyncplayGroupUpdate.
/// </summary>
public class SyncplayGroupUpdate<T>
{
/// <summary>
/// Gets or sets the group identifier.
/// </summary>
/// <value>The group identifier.</value>
public string GroupId { get; set; }
/// <summary>
/// Gets or sets the update type.
/// </summary>
/// <value>The update type.</value>
public SyncplayGroupUpdateType Type { get; set; }
/// <summary>
/// Gets or sets the data.
/// </summary>
/// <value>The data.</value>
public T Data { get; set; }
}
}

41
MediaBrowser.Model/Syncplay/SyncplayGroupUpdateType.cs
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@ -0,0 +1,41 @@
namespace MediaBrowser.Model.Syncplay
{
/// <summary>
/// Enum SyncplayGroupUpdateType
/// </summary>
public enum SyncplayGroupUpdateType
{
/// <summary>
/// The user-joined update. Tells members of a group about a new user.
/// </summary>
UserJoined = 0,
/// <summary>
/// The user-left update. Tells members of a group that a user left.
/// </summary>
UserLeft = 1,
/// <summary>
/// The group-joined update. Tells a user that the group has been joined.
/// </summary>
GroupJoined = 2,
/// <summary>
/// The group-left update. Tells a user that the group has been left.
/// </summary>
GroupLeft = 3,
/// <summary>
/// The group-wait update. Tells members of the group that a user is buffering.
/// </summary>
GroupWait = 4,
/// <summary>
/// The prepare-session update. Tells a user to load some content.
/// </summary>
PrepareSession = 5,
/// <summary>
/// The keep-alive update. An update to keep alive the socket.
/// </summary>
KeepAlive = 6,
/// <summary>
/// The not-in-group update. Tells a user that no group has been joined.
/// </summary>
NotInGroup = 7
}
}

34
MediaBrowser.Model/Syncplay/SyncplayRequestInfo.cs
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@ -0,0 +1,34 @@
using System;
namespace MediaBrowser.Model.Syncplay
{
/// <summary>
/// Class SyncplayRequestInfo.
/// </summary>
public class SyncplayRequestInfo
{
/// <summary>
/// Gets or sets the request type.
/// </summary>
/// <value>The request type.</value>
public SyncplayRequestType Type;
/// <summary>
/// Gets or sets when the request has been made by the client.
/// </summary>
/// <value>The date of the request.</value>
public DateTime? When { get; set; }
/// <summary>
/// Gets or sets the position ticks.
/// </summary>
/// <value>The position ticks.</value>
public long? PositionTicks { get; set; }
/// <summary>
/// Gets or sets the ping time.
/// </summary>
/// <value>The ping time.</value>
public long? Ping { get; set; }
}
}

33
MediaBrowser.Model/Syncplay/SyncplayRequestType.cs
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@ -0,0 +1,33 @@
namespace MediaBrowser.Model.Syncplay
{
/// <summary>
/// Enum SyncplayRequestType
/// </summary>
public enum SyncplayRequestType
{
/// <summary>
/// A user is requesting a play command for the group.
/// </summary>
Play = 0,
/// <summary>
/// A user is requesting a pause command for the group.
/// </summary>
Pause = 1,
/// <summary>
/// A user is requesting a seek command for the group.
/// </summary>
Seek = 2,
/// <summary>
/// A user is signaling that playback is buffering.
/// </summary>
Buffering = 3,
/// <summary>
/// A user is signaling that playback resumed.
/// </summary>
BufferingComplete = 4,
/// <summary>
/// A user is reporting its ping.
/// </summary>
KeepAlive = 5
}
}
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