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- using MediaBrowser.Common.Events;
- using MediaBrowser.Common.Net;
- using MediaBrowser.Controller.Configuration;
- using MediaBrowser.Controller.Entities;
- using MediaBrowser.Controller.Entities.Audio;
- using MediaBrowser.Controller.Library;
- using MediaBrowser.Controller.Persistence;
- using MediaBrowser.Controller.Session;
- using MediaBrowser.Model.Logging;
- using System;
- using System.Collections.Concurrent;
- using System.Collections.Generic;
- using System.Linq;
- using System.Threading;
- using System.Threading.Tasks;
- namespace MediaBrowser.Server.Implementations.Session
- {
- /// <summary>
- /// Class SessionManager
- /// </summary>
- public class SessionManager : ISessionManager
- {
- /// <summary>
- /// The _user data repository
- /// </summary>
- private readonly IUserDataRepository _userDataRepository;
- /// <summary>
- /// The _user repository
- /// </summary>
- private readonly IUserRepository _userRepository;
- /// <summary>
- /// The _logger
- /// </summary>
- private readonly ILogger _logger;
- /// <summary>
- /// Gets or sets the configuration manager.
- /// </summary>
- /// <value>The configuration manager.</value>
- private readonly IServerConfigurationManager _configurationManager;
- /// <summary>
- /// The _active connections
- /// </summary>
- private readonly ConcurrentDictionary<string, SessionInfo> _activeConnections =
- new ConcurrentDictionary<string, SessionInfo>(StringComparer.OrdinalIgnoreCase);
- /// <summary>
- /// Occurs when [playback start].
- /// </summary>
- public event EventHandler<PlaybackProgressEventArgs> PlaybackStart;
- /// <summary>
- /// Occurs when [playback progress].
- /// </summary>
- public event EventHandler<PlaybackProgressEventArgs> PlaybackProgress;
- /// <summary>
- /// Occurs when [playback stopped].
- /// </summary>
- public event EventHandler<PlaybackProgressEventArgs> PlaybackStopped;
- /// <summary>
- /// Initializes a new instance of the <see cref="SessionManager"/> class.
- /// </summary>
- /// <param name="userDataRepository">The user data repository.</param>
- /// <param name="configurationManager">The configuration manager.</param>
- /// <param name="logger">The logger.</param>
- /// <param name="userRepository">The user repository.</param>
- public SessionManager(IUserDataRepository userDataRepository, IServerConfigurationManager configurationManager, ILogger logger, IUserRepository userRepository)
- {
- _userDataRepository = userDataRepository;
- _configurationManager = configurationManager;
- _logger = logger;
- _userRepository = userRepository;
- }
- /// <summary>
- /// Gets all connections.
- /// </summary>
- /// <value>All connections.</value>
- public IEnumerable<SessionInfo> Sessions
- {
- get { return _activeConnections.Values.OrderByDescending(c => c.LastActivityDate).ToList(); }
- }
- /// <summary>
- /// The _true task result
- /// </summary>
- private readonly Task _trueTaskResult = Task.FromResult(true);
- /// <summary>
- /// Logs the user activity.
- /// </summary>
- /// <param name="clientType">Type of the client.</param>
- /// <param name="deviceId">The device id.</param>
- /// <param name="deviceName">Name of the device.</param>
- /// <param name="user">The user.</param>
- /// <returns>Task.</returns>
- /// <exception cref="System.ArgumentNullException">user</exception>
- public Task LogConnectionActivity(string clientType, string deviceId, string deviceName, User user)
- {
- if (user != null && user.Configuration.IsDisabled)
- {
- throw new UnauthorizedAccessException(string.Format("The {0} account is currently disabled. Please consult with your administrator.", user.Name));
- }
- var activityDate = DateTime.UtcNow;
- GetConnection(clientType, deviceId, deviceName, user).LastActivityDate = activityDate;
- if (user == null)
- {
- return _trueTaskResult;
- }
- var lastActivityDate = user.LastActivityDate;
- user.LastActivityDate = activityDate;
- // Don't log in the db anymore frequently than 10 seconds
- if (lastActivityDate.HasValue && (activityDate - lastActivityDate.Value).TotalSeconds < 10)
- {
- return _trueTaskResult;
- }
- // Save this directly. No need to fire off all the events for this.
- return _userRepository.SaveUser(user, CancellationToken.None);
- }
- /// <summary>
- /// Updates the now playing item id.
- /// </summary>
- /// <param name="user">The user.</param>
- /// <param name="clientType">Type of the client.</param>
- /// <param name="deviceId">The device id.</param>
- /// <param name="deviceName">Name of the device.</param>
- /// <param name="item">The item.</param>
- /// <param name="isPaused">if set to <c>true</c> [is paused].</param>
- /// <param name="currentPositionTicks">The current position ticks.</param>
- private void UpdateNowPlayingItemId(User user, string clientType, string deviceId, string deviceName, BaseItem item, bool isPaused, long? currentPositionTicks = null)
- {
- var conn = GetConnection(clientType, deviceId, deviceName, user);
- conn.IsPaused = isPaused;
- conn.NowPlayingPositionTicks = currentPositionTicks;
- conn.NowPlayingItem = item;
- conn.LastActivityDate = DateTime.UtcNow;
- }
- /// <summary>
- /// Removes the now playing item id.
- /// </summary>
- /// <param name="user">The user.</param>
- /// <param name="clientType">Type of the client.</param>
- /// <param name="deviceId">The device id.</param>
- /// <param name="deviceName">Name of the device.</param>
- /// <param name="item">The item.</param>
- private void RemoveNowPlayingItemId(User user, string clientType, string deviceId, string deviceName, BaseItem item)
- {
- var conn = GetConnection(clientType, deviceId, deviceName, user);
- if (conn.NowPlayingItem != null && conn.NowPlayingItem.Id == item.Id)
- {
- conn.NowPlayingItem = null;
- conn.NowPlayingPositionTicks = null;
- conn.IsPaused = null;
- }
- }
- /// <summary>
- /// Gets the connection.
- /// </summary>
- /// <param name="clientType">Type of the client.</param>
- /// <param name="deviceId">The device id.</param>
- /// <param name="deviceName">Name of the device.</param>
- /// <param name="user">The user.</param>
- /// <returns>SessionInfo.</returns>
- private SessionInfo GetConnection(string clientType, string deviceId, string deviceName, User user)
- {
- var key = clientType + deviceId;
- var connection = _activeConnections.GetOrAdd(key, keyName => new SessionInfo
- {
- Client = clientType,
- DeviceId = deviceId,
- Id = Guid.NewGuid()
- });
- connection.DeviceName = deviceName;
- connection.User = user;
- return connection;
- }
- /// <summary>
- /// Used to report that playback has started for an item
- /// </summary>
- /// <param name="user">The user.</param>
- /// <param name="item">The item.</param>
- /// <param name="clientType">Type of the client.</param>
- /// <param name="deviceId">The device id.</param>
- /// <param name="deviceName">Name of the device.</param>
- /// <exception cref="System.ArgumentNullException">
- /// </exception>
- public async Task OnPlaybackStart(User user, BaseItem item, string clientType, string deviceId, string deviceName)
- {
- if (user == null)
- {
- throw new ArgumentNullException();
- }
- if (item == null)
- {
- throw new ArgumentNullException();
- }
- UpdateNowPlayingItemId(user, clientType, deviceId, deviceName, item, false);
- var key = item.GetUserDataKey();
- var data = _userDataRepository.GetUserData(user.Id, key);
- data.PlayCount++;
- data.LastPlayedDate = DateTime.UtcNow;
- if (!(item is Video))
- {
- data.Played = true;
- }
- await _userDataRepository.SaveUserData(user.Id, key, data, CancellationToken.None).ConfigureAwait(false);
- // Nothing to save here
- // Fire events to inform plugins
- EventHelper.QueueEventIfNotNull(PlaybackStart, this, new PlaybackProgressEventArgs
- {
- Item = item,
- User = user
- }, _logger);
- }
- /// <summary>
- /// Used to report playback progress for an item
- /// </summary>
- /// <param name="user">The user.</param>
- /// <param name="item">The item.</param>
- /// <param name="positionTicks">The position ticks.</param>
- /// <param name="isPaused">if set to <c>true</c> [is paused].</param>
- /// <param name="clientType">Type of the client.</param>
- /// <param name="deviceId">The device id.</param>
- /// <param name="deviceName">Name of the device.</param>
- /// <returns>Task.</returns>
- /// <exception cref="System.ArgumentNullException">
- /// </exception>
- public async Task OnPlaybackProgress(User user, BaseItem item, long? positionTicks, bool isPaused, string clientType, string deviceId, string deviceName)
- {
- if (user == null)
- {
- throw new ArgumentNullException();
- }
- if (item == null)
- {
- throw new ArgumentNullException();
- }
- UpdateNowPlayingItemId(user, clientType, deviceId, deviceName, item, isPaused, positionTicks);
- var key = item.GetUserDataKey();
- if (positionTicks.HasValue)
- {
- var data = _userDataRepository.GetUserData(user.Id, key);
- UpdatePlayState(item, data, positionTicks.Value);
- await _userDataRepository.SaveUserData(user.Id, key, data, CancellationToken.None).ConfigureAwait(false);
- }
- EventHelper.QueueEventIfNotNull(PlaybackProgress, this, new PlaybackProgressEventArgs
- {
- Item = item,
- User = user,
- PlaybackPositionTicks = positionTicks
- }, _logger);
- }
- /// <summary>
- /// Used to report that playback has ended for an item
- /// </summary>
- /// <param name="user">The user.</param>
- /// <param name="item">The item.</param>
- /// <param name="positionTicks">The position ticks.</param>
- /// <param name="clientType">Type of the client.</param>
- /// <param name="deviceId">The device id.</param>
- /// <param name="deviceName">Name of the device.</param>
- /// <returns>Task.</returns>
- /// <exception cref="System.ArgumentNullException">
- /// </exception>
- public async Task OnPlaybackStopped(User user, BaseItem item, long? positionTicks, string clientType, string deviceId, string deviceName)
- {
- if (user == null)
- {
- throw new ArgumentNullException();
- }
- if (item == null)
- {
- throw new ArgumentNullException();
- }
- RemoveNowPlayingItemId(user, clientType, deviceId, deviceName, item);
- var key = item.GetUserDataKey();
- var data = _userDataRepository.GetUserData(user.Id, key);
- if (positionTicks.HasValue)
- {
- UpdatePlayState(item, data, positionTicks.Value);
- }
- else
- {
- // If the client isn't able to report this, then we'll just have to make an assumption
- data.PlayCount++;
- data.Played = true;
- }
- await _userDataRepository.SaveUserData(user.Id, key, data, CancellationToken.None).ConfigureAwait(false);
- EventHelper.QueueEventIfNotNull(PlaybackStopped, this, new PlaybackProgressEventArgs
- {
- Item = item,
- User = user,
- PlaybackPositionTicks = positionTicks
- }, _logger);
- }
- /// <summary>
- /// Updates playstate position for an item but does not save
- /// </summary>
- /// <param name="item">The item</param>
- /// <param name="data">User data for the item</param>
- /// <param name="positionTicks">The current playback position</param>
- private void UpdatePlayState(BaseItem item, UserItemData data, long positionTicks)
- {
- var hasRuntime = item.RunTimeTicks.HasValue && item.RunTimeTicks > 0;
- // If a position has been reported, and if we know the duration
- if (positionTicks > 0 && hasRuntime)
- {
- var pctIn = Decimal.Divide(positionTicks, item.RunTimeTicks.Value) * 100;
- // Don't track in very beginning
- if (pctIn < _configurationManager.Configuration.MinResumePct)
- {
- positionTicks = 0;
- }
- // If we're at the end, assume completed
- else if (pctIn > _configurationManager.Configuration.MaxResumePct || positionTicks >= item.RunTimeTicks.Value)
- {
- positionTicks = 0;
- data.Played = true;
- }
- else
- {
- // Enforce MinResumeDuration
- var durationSeconds = TimeSpan.FromTicks(item.RunTimeTicks.Value).TotalSeconds;
- if (durationSeconds < _configurationManager.Configuration.MinResumeDurationSeconds)
- {
- positionTicks = 0;
- data.Played = true;
- }
- }
- }
- else if (!hasRuntime)
- {
- // If we don't know the runtime we'll just have to assume it was fully played
- data.Played = true;
- positionTicks = 0;
- }
- if (item is Audio)
- {
- positionTicks = 0;
- }
- data.PlaybackPositionTicks = positionTicks;
- }
- }
- }
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