Large project reorder and consolidation

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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