1 files changed, 83 insertions, 0 deletions
diff --git a/plugins/SessionProvider/src/RuntimeSessionProvider.cs b/plugins/SessionProvider/src/RuntimeSessionProvider.cs
new file mode 100644
index 0000000..95295de
--- /dev/null
+++ b/plugins/SessionProvider/src/RuntimeSessionProvider.cs
@@ -0,0 +1,83 @@
+/*
+* Copyright (c) 2022 Vaughn Nugent
+* 
+* Library: VNLib
+* Package: SessionProvider
+* File: RuntimeSessionProvider.cs 
+*
+* RuntimeSessionProvider.cs is part of SessionProvider which is part of the larger 
+* VNLib collection of libraries and utilities.
+*
+* SessionProvider 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.
+*
+* SessionProvider 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;
+using System.Threading;
+using System.Threading.Tasks;
+
+using VNLib.Utils;
+using VNLib.Utils.Logging;
+using VNLib.Net.Http;
+using VNLib.Plugins.Extensions.Loading;
+
+namespace VNLib.Plugins.Essentials.Sessions
+{
+    sealed class RuntimeSessionProvider : VnDisposeable, ISessionProvider
+    {
+        private readonly AssemblyLoader<ISessionProvider> _asm;
+        
+        private Func<IHttpEvent, bool> _canProcessMethod;
+        private Action<PluginBase, ILogProvider> _loadMethod;
+        private ISessionProvider _ref;
+
+        public RuntimeSessionProvider(AssemblyLoader<ISessionProvider> asm)
+        {
+            _asm = asm;
+
+            //Store ref to the resource to avoid loads
+            _ref = asm.Resource;
+
+            //Get load method
+            _loadMethod = asm.TryGetMethod<Action<PluginBase, ILogProvider>>("Load")
+                ?? throw new MissingMethodException("Provider is missing required Load method");
+
+            //Load canprocess method
+            _canProcessMethod = asm.TryGetMethod<Func<IHttpEvent, bool>>("CanProcess")
+                ?? throw new MissingMethodException("Provider is missing required CanProcess method");
+        }
+
+        public ValueTask<SessionHandle> GetSessionAsync(IHttpEvent entity, CancellationToken cancellationToken)
+        {
+            return _ref.GetSessionAsync(entity, cancellationToken);
+        }
+
+        public bool CanProcess(IHttpEvent ev)
+        {
+            return _canProcessMethod(ev);
+        }
+
+        public void Load(PluginBase pbase, ILogProvider localized)
+        {
+            _loadMethod(pbase, localized);
+        }
+
+        protected override void Free()
+        {
+            _asm.Dispose();
+            _canProcessMethod = null!;
+            _loadMethod = null!;
+            _ref = null!;
+        }
+    }
+}