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Use MemoryCache in DeviceManager

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This commit is contained in:
Patrick Barron 2020-07-29 19:25:47 -04:00
parent c77abca31a
commit a97f98fbd5
1 changed files with 12 additions and 11 deletions
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23
Emby.Server.Implementations/Devices/DeviceManager.cs
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@ -5,8 +5,8 @@ using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using Jellyfin.Data.Enums;
using Jellyfin.Data.Entities;
using Jellyfin.Data.Enums;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Devices;
@ -17,16 +17,17 @@ using MediaBrowser.Model.Events;
using MediaBrowser.Model.Querying;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Session;
using Microsoft.Extensions.Caching.Memory;
namespace Emby.Server.Implementations.Devices
{
public class DeviceManager : IDeviceManager
{
private readonly IMemoryCache _memoryCache;
private readonly IJsonSerializer _json;
private readonly IUserManager _userManager;
private readonly IServerConfigurationManager _config;
private readonly IAuthenticationRepository _authRepo;
private readonly Dictionary<string, ClientCapabilities> _capabilitiesCache;
private readonly object _capabilitiesSyncLock = new object();
public event EventHandler<GenericEventArgs<Tuple<string, DeviceOptions>>> DeviceOptionsUpdated;
@ -35,13 +36,14 @@ namespace Emby.Server.Implementations.Devices
IAuthenticationRepository authRepo,
IJsonSerializer json,
IUserManager userManager,
IServerConfigurationManager config)
IServerConfigurationManager config,
IMemoryCache memoryCache)
{
_json = json;
_userManager = userManager;
_config = config;
_memoryCache = memoryCache;
_authRepo = authRepo;
_capabilitiesCache = new Dictionary<string, ClientCapabilities>(StringComparer.OrdinalIgnoreCase);
}
public void SaveCapabilities(string deviceId, ClientCapabilities capabilities)
@ -51,8 +53,7 @@ namespace Emby.Server.Implementations.Devices
lock (_capabilitiesSyncLock)
{
_capabilitiesCache[deviceId] = capabilities;
_memoryCache.CreateEntry(deviceId).SetValue(capabilities);
_json.SerializeToFile(capabilities, path);
}
}
@ -71,13 +72,13 @@ namespace Emby.Server.Implementations.Devices
public ClientCapabilities GetCapabilities(string id)
{
if (_memoryCache.TryGetValue(id, out ClientCapabilities result))
{
return result;
}
lock (_capabilitiesSyncLock)
{
if (_capabilitiesCache.TryGetValue(id, out var result))
{
return result;
}
var path = Path.Combine(GetDevicePath(id), "capabilities.json");
try
{