mirror of
https://github.com/jellyfin/jellyfin.git
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195 lines
5.9 KiB
C#
195 lines
5.9 KiB
C#
using MediaBrowser.Common.Events;
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using MediaBrowser.Controller.LiveTv;
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using MediaBrowser.Model.Events;
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using Microsoft.Extensions.Logging;
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using MediaBrowser.Model.Serialization;
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using System;
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using System.Collections.Concurrent;
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using System.Globalization;
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using System.Linq;
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using System.Threading;
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using MediaBrowser.Controller.IO;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.LiveTv;
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using MediaBrowser.Model.Threading;
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using MediaBrowser.Model.System;
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namespace Emby.Server.Implementations.LiveTv.EmbyTV
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{
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public class TimerManager : ItemDataProvider<TimerInfo>
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{
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private readonly ConcurrentDictionary<string, ITimer> _timers = new ConcurrentDictionary<string, ITimer>(StringComparer.OrdinalIgnoreCase);
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private readonly ILogger _logger;
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public event EventHandler<GenericEventArgs<TimerInfo>> TimerFired;
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private readonly ITimerFactory _timerFactory;
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private readonly IPowerManagement _powerManagement;
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public TimerManager(IFileSystem fileSystem, IJsonSerializer jsonSerializer, ILogger logger, string dataPath, ILogger logger1, ITimerFactory timerFactory, IPowerManagement powerManagement)
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: base(fileSystem, jsonSerializer, logger, dataPath, (r1, r2) => string.Equals(r1.Id, r2.Id, StringComparison.OrdinalIgnoreCase))
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{
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_logger = logger1;
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_timerFactory = timerFactory;
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_powerManagement = powerManagement;
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}
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public void RestartTimers()
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{
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StopTimers();
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foreach (var item in GetAll().ToList())
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{
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AddOrUpdateSystemTimer(item, false);
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}
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}
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public void StopTimers()
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{
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foreach (var pair in _timers.ToList())
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{
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pair.Value.Dispose();
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}
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_timers.Clear();
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}
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public override void Delete(TimerInfo item)
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{
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base.Delete(item);
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StopTimer(item);
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}
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public override void Update(TimerInfo item)
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{
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base.Update(item);
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AddOrUpdateSystemTimer(item, false);
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}
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public void AddOrUpdate(TimerInfo item, bool resetTimer)
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{
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if (resetTimer)
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{
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AddOrUpdate(item);
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return;
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}
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var list = GetAll().ToList();
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if (!list.Any(i => EqualityComparer(i, item)))
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{
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base.Add(item);
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}
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else
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{
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base.Update(item);
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}
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}
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public override void Add(TimerInfo item)
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{
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if (string.IsNullOrEmpty(item.Id))
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{
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throw new ArgumentException("TimerInfo.Id cannot be null or empty.");
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}
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base.Add(item);
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AddOrUpdateSystemTimer(item, true);
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}
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private bool ShouldStartTimer(TimerInfo item)
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{
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if (item.Status == RecordingStatus.Completed ||
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item.Status == RecordingStatus.Cancelled)
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{
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return false;
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}
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return true;
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}
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private void AddOrUpdateSystemTimer(TimerInfo item, bool scheduleSystemWakeTimer)
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{
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StopTimer(item);
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if (!ShouldStartTimer(item))
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{
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return;
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}
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var startDate = RecordingHelper.GetStartTime(item);
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var now = DateTime.UtcNow;
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if (startDate < now)
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{
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EventHelper.FireEventIfNotNull(TimerFired, this, new GenericEventArgs<TimerInfo> { Argument = item }, base.Logger);
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return;
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}
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var dueTime = startDate - now;
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StartTimer(item, dueTime);
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if (scheduleSystemWakeTimer && dueTime >= TimeSpan.FromMinutes(15))
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{
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ScheduleSystemWakeTimer(startDate, item.Name);
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}
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}
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private void ScheduleSystemWakeTimer(DateTime startDate, string displayName)
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{
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try
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{
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_powerManagement.ScheduleWake(startDate.AddMinutes(-5), displayName);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error scheduling wake timer");
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}
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}
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private void StartTimer(TimerInfo item, TimeSpan dueTime)
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{
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var timer = _timerFactory.Create(TimerCallback, item.Id, dueTime, TimeSpan.Zero);
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if (_timers.TryAdd(item.Id, timer))
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{
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_logger.LogInformation("Creating recording timer for {id}, {name}. Timer will fire in {minutes} minutes", item.Id, item.Name, dueTime.TotalMinutes.ToString(CultureInfo.InvariantCulture));
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}
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else
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{
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timer.Dispose();
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_logger.LogWarning("Timer already exists for item {id}", item.Id);
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}
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}
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private void StopTimer(TimerInfo item)
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{
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ITimer timer;
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if (_timers.TryRemove(item.Id, out timer))
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{
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timer.Dispose();
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}
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}
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private void TimerCallback(object state)
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{
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var timerId = (string)state;
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var timer = GetAll().FirstOrDefault(i => string.Equals(i.Id, timerId, StringComparison.OrdinalIgnoreCase));
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if (timer != null)
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{
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EventHelper.FireEventIfNotNull(TimerFired, this, new GenericEventArgs<TimerInfo> { Argument = timer }, base.Logger);
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}
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}
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public TimerInfo GetTimer(string id)
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{
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return GetAll().FirstOrDefault(r => string.Equals(r.Id, id, StringComparison.OrdinalIgnoreCase));
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}
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public TimerInfo GetTimerByProgramId(string programId)
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{
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return GetAll().FirstOrDefault(r => string.Equals(r.ProgramId, programId, StringComparison.OrdinalIgnoreCase));
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}
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}
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}
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