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Diffstat (limited to 'libs/VNLib.Plugins.Sessions.VNCache/src/WebSessionProviderEntry.cs')
-rw-r--r-- | libs/VNLib.Plugins.Sessions.VNCache/src/WebSessionProviderEntry.cs | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libs/VNLib.Plugins.Sessions.VNCache/src/WebSessionProviderEntry.cs b/libs/VNLib.Plugins.Sessions.VNCache/src/WebSessionProviderEntry.cs new file mode 100644 index 0000000..623975f --- /dev/null +++ b/libs/VNLib.Plugins.Sessions.VNCache/src/WebSessionProviderEntry.cs @@ -0,0 +1,82 @@ +/* +* Copyright (c) 2022 Vaughn Nugent +* +* Library: VNLib +* Package: VNLib.Plugins.Essentials.Sessions.VNCache +* File: WebSessionProviderEntry.cs +* +* WebSessionProviderEntry.cs is part of VNLib.Plugins.Essentials.Sessions.VNCache which is part of the larger +* VNLib collection of libraries and utilities. +* +* VNLib.Plugins.Essentials.Sessions.VNCache is free software: you can redistribute it and/or modify +* it under the terms of the GNU Affero General Public License as +* published by the Free Software Foundation, either version 3 of the +* License, or (at your option) any later version. +* +* VNLib.Plugins.Essentials.Sessions.VNCache is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU Affero General Public License for more details. +* +* You should have received a copy of the GNU Affero General Public License +* along with this program. If not, see https://www.gnu.org/licenses/. +*/ + +using System.Text.Json; + +using VNLib.Net.Http; +using VNLib.Utils.Logging; +using VNLib.Utils.Extensions; +using VNLib.Data.Caching; +using VNLib.Plugins.Sessions.Cache.Client; +using VNLib.Plugins.Extensions.Loading; +using VNLib.Plugins.Extensions.VNCache; +using VNLib.Plugins.Essentials.Sessions; + +namespace VNLib.Plugins.Sessions.VNCache +{ + public sealed class WebSessionProviderEntry : ISessionProvider + { + const string WEB_SESSION_CONFIG = "web"; + + private WebSessionProvider? _sessions; + + //Web sessions can always be provided so long as cache is loaded + public bool CanProcess(IHttpEvent entity) => _sessions != null; + + ValueTask<SessionHandle> ISessionProvider.GetSessionAsync(IHttpEvent entity, CancellationToken cancellationToken) + { + return _sessions!.GetSessionAsync(entity, cancellationToken); + } + + public void Load(PluginBase plugin, ILogProvider localized) + { + //Try get vncache config element + IReadOnlyDictionary<string, JsonElement> webSessionConfig = plugin.GetConfigForType<WebSessionProvider>(); + + uint cookieSize = webSessionConfig["cookie_size"].GetUInt32(); + string cookieName = webSessionConfig["cookie_name"].GetString() ?? throw new KeyNotFoundException($"Missing required element 'cookie_name' for config '{WEB_SESSION_CONFIG}'"); + string cachePrefix = webSessionConfig["cache_prefix"].GetString() ?? throw new KeyNotFoundException($"Missing required element 'cache_prefix' for config '{WEB_SESSION_CONFIG}'"); + int cacheLimit = (int)webSessionConfig["cache_size"].GetUInt32(); + uint maxConnections = webSessionConfig["max_waiting_connections"].GetUInt32(); + TimeSpan validFor = webSessionConfig["valid_for_sec"].GetTimeSpan(TimeParseType.Seconds); + + //Init id factory + WebSessionIdFactoryImpl idFactory = new(cookieSize, cookieName, cachePrefix, validFor); + + //Get shared global-cache + IGlobalCacheProvider globalCache = plugin.GetGlobalCache(localized); + + //Create cache store from global cache + GlobalCacheStore cacheStore = new(globalCache); + + //Init provider + _sessions = new(cacheStore, cacheLimit, maxConnections, idFactory); + + //Load and run cached sessions on deferred task lib + _ = plugin.DeferTask(() => _sessions.CleanupExpiredSessionsAsync(localized, plugin.UnloadToken), 1000); + + localized.Information("Session provider loaded"); + } + } +}
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