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Merge pull request #4515 from barronpm/dont-store-capabilities

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Clean up DeviceManager and Don't Store Capabilities on Disk
This commit is contained in:
Joshua M. Boniface 2020-11-20 12:33:58 -05:00 committed by GitHub
commit a1707739d6
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2 changed files with 12 additions and 83 deletions
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71
Emby.Server.Implementations/Devices/DeviceManager.cs
View File

@ -1,61 +1,38 @@
#pragma warning disable CS1591
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using Jellyfin.Data.Entities;
using Jellyfin.Data.Enums;
using Jellyfin.Data.Events;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Devices;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Security;
using MediaBrowser.Model.Devices;
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 object _capabilitiesSyncLock = new object();
private readonly ConcurrentDictionary<string, ClientCapabilities> _capabilitiesMap = new ();
public event EventHandler<GenericEventArgs<Tuple<string, DeviceOptions>>> DeviceOptionsUpdated;
public DeviceManager(
IAuthenticationRepository authRepo,
IJsonSerializer json,
IUserManager userManager,
IServerConfigurationManager config,
IMemoryCache memoryCache)
public DeviceManager(IAuthenticationRepository authRepo, IUserManager userManager)
{
_json = json;
_userManager = userManager;
_config = config;
_memoryCache = memoryCache;
_authRepo = authRepo;
}
public event EventHandler<GenericEventArgs<Tuple<string, DeviceOptions>>> DeviceOptionsUpdated;
public void SaveCapabilities(string deviceId, ClientCapabilities capabilities)
{
var path = Path.Combine(GetDevicePath(deviceId), "capabilities.json");
Directory.CreateDirectory(Path.GetDirectoryName(path));
lock (_capabilitiesSyncLock)
{
_memoryCache.Set(deviceId, capabilities);
_json.SerializeToFile(capabilities, path);
}
_capabilitiesMap[deviceId] = capabilities;
}
public void UpdateDeviceOptions(string deviceId, DeviceOptions options)
@ -72,32 +49,12 @@ namespace Emby.Server.Implementations.Devices
public ClientCapabilities GetCapabilities(string id)
{
if (_memoryCache.TryGetValue(id, out ClientCapabilities result))
{
return result;
}
lock (_capabilitiesSyncLock)
{
var path = Path.Combine(GetDevicePath(id), "capabilities.json");
try
{
return _json.DeserializeFromFile<ClientCapabilities>(path) ?? new ClientCapabilities();
}
catch
{
}
}
return new ClientCapabilities();
return _capabilitiesMap.TryGetValue(id, out ClientCapabilities result)
? result
: new ClientCapabilities();
}
public DeviceInfo GetDevice(string id)
{
return GetDevice(id, true);
}
private DeviceInfo GetDevice(string id, bool includeCapabilities)
{
var session = _authRepo.Get(new AuthenticationInfoQuery
{
@ -154,16 +111,6 @@ namespace Emby.Server.Implementations.Devices
};
}
private string GetDevicesPath()
{
return Path.Combine(_config.ApplicationPaths.DataPath, "devices");
}
private string GetDevicePath(string id)
{
return Path.Combine(GetDevicesPath(), id.GetMD5().ToString("N", CultureInfo.InvariantCulture));
}
public bool CanAccessDevice(User user, string deviceId)
{
if (user == null)

24
Emby.Server.Implementations/Session/SessionManager.cs
View File

@ -58,8 +58,7 @@ namespace Emby.Server.Implementations.Session
/// <summary>
/// The active connections.
/// </summary>
private readonly ConcurrentDictionary<string, SessionInfo> _activeConnections =
new ConcurrentDictionary<string, SessionInfo>(StringComparer.OrdinalIgnoreCase);
private readonly ConcurrentDictionary<string, SessionInfo> _activeConnections = new (StringComparer.OrdinalIgnoreCase);
private Timer _idleTimer;
@ -196,7 +195,7 @@ namespace Emby.Server.Implementations.Session
{
if (!string.IsNullOrEmpty(info.DeviceId))
{
var capabilities = GetSavedCapabilities(info.DeviceId);
var capabilities = _deviceManager.GetCapabilities(info.DeviceId);
if (capabilities != null)
{
@ -1677,25 +1676,8 @@ namespace Emby.Server.Implementations.Session
SessionInfo = session
});
try
{
SaveCapabilities(session.DeviceId, capabilities);
_deviceManager.SaveCapabilities(session.DeviceId, capabilities);
}
catch (Exception ex)
{
_logger.LogError("Error saving device capabilities", ex);
}
}
}
private ClientCapabilities GetSavedCapabilities(string deviceId)
{
return _deviceManager.GetCapabilities(deviceId);
}
private void SaveCapabilities(string deviceId, ClientCapabilities capabilities)
{
_deviceManager.SaveCapabilities(deviceId, capabilities);
}
/// <summary>