Add project files.

4 files changed, 368 insertions, 0 deletions

diff --git a/Plugins/SessionProvider/GlobalCache.cs b/Plugins/SessionProvider/GlobalCache.cs
new file mode 100644
index 0000000..ff16f47
--- /dev/null
+++ b/Plugins/SessionProvider/GlobalCache.cs
@@ -0,0 +1,141 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+//using VNLib.Data.Caching;
+//using VNLib.Net.Messaging.FBM.Client;
+//using VNLib.Net.Messaging.FBM.Client.Exceptions;
+
+
+namespace VNLib.Plugins.Essentials.Sessions
+{
+    /*internal class GlobalCache : IGlobalCacheProvider
+    {
+        private readonly FBMClient Client;
+        private readonly TimeSpan OperationTimeout;
+
+        public GlobalCache(FBMClient cacheProvider, TimeSpan cancellation)
+        {
+            this.Client = cacheProvider;
+            this.OperationTimeout = cancellation;
+        }
+
+        //If the wait handle will block, the client is connected
+        bool IGlobalCacheProvider.IsConnected => !Client.ConnectionStatusHandle.WaitOne(0);
+
+        async Task IGlobalCacheProvider.DeleteAsync(string key)
+        {
+            if (OperationTimeout > TimeSpan.Zero && OperationTimeout < TimeSpan.MaxValue)
+            {
+                CancellationTokenSource cts = new(OperationTimeout);
+                try
+                {
+                    //Delete value
+                    await Client.DeleteObjectAsync(key, cts.Token);
+                }
+                catch (FBMException fbm)
+                {
+                    //Catch fbm excpetions and wrap them in global cache exception
+                    throw new GlobalCacheException("Failed to delete cache record, see inner exception", fbm);
+                }
+                catch (OperationCanceledException)
+                {
+                    throw new TimeoutException("The operation has been cancelled, due to a timeout");
+                }
+                finally
+                {
+                    cts.Dispose();
+                }
+            }
+            else
+            {
+                try
+                {
+                    //Delete value
+                    await Client.DeleteObjectAsync(key);
+                }
+                catch (FBMException fbm)
+                {
+                    //Catch fbm excpetions and wrap them in global cache exception
+                    throw new GlobalCacheException("Failed to delete cache record, see inner exception", fbm);
+                }
+            }
+        }
+
+        async Task<T> IGlobalCacheProvider.GetAsync<T>(string key)
+        {
+            if (OperationTimeout > TimeSpan.Zero && OperationTimeout < TimeSpan.MaxValue)
+            {
+                CancellationTokenSource cts = new(OperationTimeout);
+                try
+                {
+                    //Try to get the value
+                    return await Client.GetObjectAsync<T>(key, cts.Token);
+                }
+                catch (FBMException fbm)
+                {
+                    //Catch fbm excpetions and wrap them in global cache exception
+                    throw new GlobalCacheException("Failed to delete cache record, see inner exception", fbm);
+                }
+                catch (OperationCanceledException)
+                {
+                    throw new TimeoutException("The operation has been cancelled, due to a timeout");
+                }
+                finally
+                {
+                    cts.Dispose();
+                }
+            }
+            else
+            {
+                try
+                {
+                    //Try to get the value
+                    return await Client.GetObjectAsync<T>(key);
+                }
+                catch (FBMException fbm)
+                {
+                    //Catch fbm excpetions and wrap them in global cache exception
+                    throw new GlobalCacheException("Failed to delete cache record, see inner exception", fbm);
+                }
+            }
+        }
+
+        async Task IGlobalCacheProvider.SetAsync<T>(string key, T value)
+        {
+            if (OperationTimeout > TimeSpan.Zero && OperationTimeout < TimeSpan.MaxValue)
+            {
+                CancellationTokenSource cts = new(OperationTimeout);
+                try
+                {
+                    await Client.AddOrUpdateObjectAsync(key, null, value, cts.Token);
+                }
+                catch (FBMException fbm)
+                {
+                    //Catch fbm excpetions and wrap them in global cache exception
+                    throw new GlobalCacheException("Failed to delete cache record, see inner exception", fbm);
+                }
+                catch (OperationCanceledException)
+                {
+                    throw new TimeoutException("The operation has been cancelled, due to a timeout");
+                }
+                finally
+                {
+                    cts.Dispose();
+                }
+            }
+            else
+            {
+                try
+                {
+                    await Client.AddOrUpdateObjectAsync(key, null, value);
+                }
+                catch (FBMException fbm)
+                {
+                    //Catch fbm excpetions and wrap them in global cache exception
+                    throw new GlobalCacheException("Failed to delete cache record, see inner exception", fbm);
+                }
+            }
+        }
+    }*/
+}
diff --git a/Plugins/SessionProvider/LocalizedLogProvider.cs b/Plugins/SessionProvider/LocalizedLogProvider.cs
new file mode 100644
index 0000000..2bd9bc4
--- /dev/null
+++ b/Plugins/SessionProvider/LocalizedLogProvider.cs
@@ -0,0 +1,48 @@
+using System;
+
+using VNLib.Utils.Logging;
+
+namespace VNLib.Plugins.Essentials.Sessions
+{
+    internal sealed class LocalizedLogProvider : ILogProvider
+    {
+        private readonly ILogProvider Log;
+        private readonly string LogPrefix;
+
+        public LocalizedLogProvider(ILogProvider log, string prefix)
+        {
+            Log = log;
+            LogPrefix = prefix;
+        }
+
+        public void Flush()
+        {
+            Log.Flush();
+        }
+
+        public object GetLogProvider()
+        {
+            return Log.GetLogProvider();
+        }
+
+        public void Write(LogLevel level, string value)
+        {
+            Log.Write(level, $"[{LogPrefix}]: {value}");
+        }
+
+        public void Write(LogLevel level, Exception exception, string value = "")
+        {
+            Log.Write(level, exception, $"[{LogPrefix}]: {value}");
+        }
+
+        public void Write(LogLevel level, string value, params object[] args)
+        {
+            Log.Write(level, $"[{LogPrefix}]: {value}", args);
+        }
+
+        public void Write(LogLevel level, string value, params ValueType[] args)
+        {
+            Log.Write(level, $"[{LogPrefix}]: {value}", args);
+        }
+    }
+}
diff --git a/Plugins/SessionProvider/SessionClientEntryPoint.cs b/Plugins/SessionProvider/SessionClientEntryPoint.cs
new file mode 100644
index 0000000..07be1ef
--- /dev/null
+++ b/Plugins/SessionProvider/SessionClientEntryPoint.cs
@@ -0,0 +1,123 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Collections.Generic;
+
+using VNLib.Net.Http;
+using VNLib.Utils.Logging;
+using VNLib.Plugins.Extensions.Loading;
+
+namespace VNLib.Plugins.Essentials.Sessions
+{
+    /// <summary>
+    /// The implementation type for dynamic loading of unified session providers 
+    /// </summary>
+    public sealed class SessionClientEntryPoint : PluginBase, ISessionProvider
+    {        
+        public override string PluginName => "Essentials.Sessions";
+
+        
+        private readonly List<AssemblyLoader<IRuntimeSessionProvider>> ProviderLoaders = new();
+
+        private IRuntimeSessionProvider[] ProviderArray = Array.Empty<IRuntimeSessionProvider>();
+        
+
+        ValueTask<SessionHandle> ISessionProvider.GetSessionAsync(IHttpEvent entity, CancellationToken token)
+        {
+            //Loop through providers
+            for (int i = 0; i < ProviderArray.Length; i++)
+            {
+                //Check if provider can process the entity
+                if (ProviderArray[i].CanProcess(entity))
+                {
+                    //Get session
+                    return ProviderArray[i].GetSessionAsync(entity, token);
+                }
+            }
+
+            //Return empty session
+            return new ValueTask<SessionHandle>(SessionHandle.Empty);
+        }
+
+        protected override void OnLoad()
+        {
+            try
+            {
+                Log.Verbose("Loading all specified session providers");
+
+                //Get all provider names
+                IEnumerable<string> providerAssemblyNames = PluginConfig.GetProperty("provider_assemblies")
+                                                .EnumerateArray()
+                                                .Where(s => s.GetString() != null)
+                                                .Select(s => s.GetString()!);
+                
+               
+                foreach(string asm in providerAssemblyNames)
+                {
+                    Log.Verbose("Loading {dll} session provider", asm);
+    
+                    //Attempt to load provider
+                    AssemblyLoader<IRuntimeSessionProvider> prov =  this.LoadAssembly<IRuntimeSessionProvider>(asm);
+
+                    //Create localized log
+                    LocalizedLogProvider log = new(Log, $"{Path.GetFileName(asm)}");
+
+                    //Try to load the websessions
+                    prov.Resource.Load(this, log);
+
+                    //Add provider to list
+                    ProviderLoaders.Add(prov);
+                }
+
+                if(ProviderLoaders.Count > 0)
+                {
+                    //Create array for searching for providers
+                    ProviderArray = ProviderLoaders.Select(s => s.Resource).ToArray();
+
+                    Log.Information("Loaded {count} session providers", ProviderArray.Length);
+                }
+                else
+                {
+                    Log.Information("No session providers loaded");
+                }
+
+                Log.Information("Plugin loaded");
+            }
+            catch (KeyNotFoundException knf)
+            {
+                //Dispose providers
+                ProviderLoaders.ForEach(s => s.Dispose());
+
+                Log.Warn("Plugin configuration was missing required variables {var}", knf.Message);
+            }
+            catch
+            {
+                //Dispose providers
+                ProviderLoaders.ForEach(s => s.Dispose());
+                throw;
+            }
+        }
+      
+        protected override void OnUnLoad()
+        {
+            //Clear array
+            ProviderArray = Array.Empty<IRuntimeSessionProvider>();
+
+            //Cleanup assemblies
+            ProviderLoaders.ForEach(p => p.Dispose());
+            ProviderLoaders.Clear();
+
+            Log.Information("Plugin unloaded");
+        }
+
+        protected override void ProcessHostCommand(string cmd)
+        {
+            if (!this.IsDebug())
+            {
+                return;
+            }
+        }
+    }
+}
diff --git a/Plugins/SessionProvider/SessionProvider.csproj b/Plugins/SessionProvider/SessionProvider.csproj
new file mode 100644
index 0000000..d20a524
--- /dev/null
+++ b/Plugins/SessionProvider/SessionProvider.csproj
@@ -0,0 +1,56 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <RootNamespace>VNLib.Plugins.Essentials.Sessions</RootNamespace>
+    <AssemblyName>SessionProvider</AssemblyName>
+    <PackageId>SessionProvider</PackageId>
+    <Authors>Vaughn Nugent</Authors>
+    <Product>SessionProvider</Product>
+    <Copyright>Copyright © 2022 Vaughn Nugent</Copyright>
+    <Version>1.0.3.1</Version>
+    <PackageProjectUrl>www.vaughnnugent.com/resources</PackageProjectUrl>
+    <Platforms>AnyCPU;x64</Platforms>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="ErrorProne.NET.CoreAnalyzers" Version="0.1.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="ErrorProne.NET.Structs" Version="0.1.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <!-- Resolve nuget dll files and store them in the output dir -->
+  <PropertyGroup>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+    <AssemblyVersion>1.0.2.1</AssemblyVersion>
+    <FileVersion>1.0.2.1</FileVersion>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <Deterministic>False</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Deterministic>False</Deterministic>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\..\VNLib\Utils\src\VNLib.Utils.csproj" />
+    <ProjectReference Include="..\..\..\Extensions\VNLib.Plugins.Extensions.Loading\VNLib.Plugins.Extensions.Loading.csproj" />
+    <ProjectReference Include="..\..\Libs\VNLib.Plugins.Essentials.Sessions.Runtime\VNLib.Plugins.Essentials.Sessions.Runtime.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="SessionProvider.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="PostBuildEvent">
+    <Exec Command="start xcopy &quot;$(TargetDir)&quot; &quot;F:\Programming\Web Plugins\DevPlugins\$(TargetName)&quot; /E /Y /R" />
+  </Target>
+
+</Project>