Add TrippinInMemory sample, most requests on odata.org works well

RESTier.sln

@@ -39,6 +39,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.Restier.Publisher
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.Restier.Providers.EntityFramework", "src\Microsoft.Restier.Providers.EntityFramework\Microsoft.Restier.Providers.EntityFramework.csproj", "{F7EC910E-17CE-4579-84C5-36D3777B3218}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.OData.Service.Library", "test\ODataEndToEnd\Microsoft.OData.Service.Library\Microsoft.OData.Service.Library.csproj", "{1CA9B17F-D3F8-4FC3-A992-5135DCCAB9DE}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -93,6 +95,10 @@ Global
 		{F7EC910E-17CE-4579-84C5-36D3777B3218}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F7EC910E-17CE-4579-84C5-36D3777B3218}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{F7EC910E-17CE-4579-84C5-36D3777B3218}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1CA9B17F-D3F8-4FC3-A992-5135DCCAB9DE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1CA9B17F-D3F8-4FC3-A992-5135DCCAB9DE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1CA9B17F-D3F8-4FC3-A992-5135DCCAB9DE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1CA9B17F-D3F8-4FC3-A992-5135DCCAB9DE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -114,5 +120,6 @@ Global
 		{31FE1F5B-7CD8-48F1-9CE3-4E57A0066440} = {552DD8A7-2F3A-4D0F-B623-B7D832C6C62B}
 		{186F667E-54E5-4B57-9998-21D74CB77C24} = {432208D4-54DF-453E-96AE-CB7721461030}
 		{F7EC910E-17CE-4579-84C5-36D3777B3218} = {0355FEC8-17CF-44B4-9D24-685266A349FB}
+		{1CA9B17F-D3F8-4FC3-A992-5135DCCAB9DE} = {4AC28EC2-FBCF-44CA-A922-0B257F55DE0D}
 	EndGlobalSection
 EndGlobal

test/ODataEndToEnd/Microsoft.OData.Service.Library/DataStoreManager/DefaultDataStoreManager.cs

@@ -0,0 +1,157 @@
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+// Licensed under the MIT License.  See License.txt in the project root for license information.
+
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Timers;
+
+namespace Microsoft.OData.Service.Library.DataStoreManager
+{
+    /// <summary>
+    /// Default resource management class to manage resources.
+    /// Use a dictionary to easily access the resource by <see cref="TKey"/> and make a constraint on the total number of resources.
+    /// Use a timer for each reasource, when the resource live longer than <see cref="MaxDataStoreInstanceLifeTime"/>, it will be destroyed automatically.
+    /// </summary>
+    public class DefaultDataStoreManager<TKey, TDataStoreType> :IDataStoreManager<TKey, TDataStoreType> where TDataStoreType : class, new()
+    {
+        /// <summary>
+        /// The max capacity of the resource container, this is a constraint for memory cost.
+        /// </summary>
+        public int MaxDataStoreInstanceCapacity { get; set; } = 1000;
+
+        /// <summary>
+        /// The max life time of each resource. When the resource lives longer than that, it will be destroyed automatically.
+        /// Besides, when the resource container is full, the resource live longest will be destroyed.
+        /// </summary>
+        public TimeSpan MaxDataStoreInstanceLifeTime { get; set; } = new TimeSpan(0, 15, 0);
+
+        private Dictionary<TKey, DataStoreUnit> _dataStoreDict = new Dictionary<TKey, DataStoreUnit>();
+
+        public TDataStoreType ResetDataStoreInstance(TKey key)
+        {
+            if (_dataStoreDict.ContainsKey(key))
+            {
+                _dataStoreDict[key] = new DataStoreUnit(key, MaxDataStoreInstanceLifeTime.TotalMilliseconds, ResouceTimeoutHandler);
+            }
+            else
+            {
+                AddDataStoreInstance(key);
+            }
+
+            return _dataStoreDict[key].DataStore;
+        }
+
+        public TDataStoreType GetDataStoreInstance(TKey key)
+        {
+            if (_dataStoreDict.ContainsKey(key))
+            {
+                _dataStoreDict[key].UpdateLastUsedDateTime();
+            }
+            else
+            {
+                AddDataStoreInstance(key);
+            }
+
+            return _dataStoreDict[key].DataStore;
+        }
+
+        private TDataStoreType AddDataStoreInstance(TKey key)
+        {
+            if (_dataStoreDict.Count >= MaxDataStoreInstanceCapacity)
+            {
+                // No resource lives longer than maxLifeTime, find the one lives longest and remove it.
+                var minLastUsedTime = DateTime.Now;
+                TKey minKey = default(TKey);
+
+                foreach (var val in _dataStoreDict)
+                {
+                    var resourceLastUsedTime = val.Value.DataStoreLastUsedDateTime;
+                    if (resourceLastUsedTime < minLastUsedTime)
+                    {
+                        minLastUsedTime = resourceLastUsedTime;
+                        minKey = val.Key;
+                    }
+                }
+
+                DeleteDataStoreInstance(minKey);
+            }
+
+            System.Diagnostics.Trace.TraceInformation("The resouce dictionary size right now is {0}", _dataStoreDict.Count);
+            _dataStoreDict.Add(key, new DataStoreUnit(key, MaxDataStoreInstanceLifeTime.TotalMilliseconds, ResouceTimeoutHandler));
+            return _dataStoreDict[key].DataStore;
+        }
+
+        private DefaultDataStoreManager<TKey, TDataStoreType> DeleteDataStoreInstance(TKey key)
+        {
+            if (_dataStoreDict.ContainsKey(key))
+            {
+                _dataStoreDict[key].StopTimer();
+                _dataStoreDict.Remove(key);
+            }
+
+            return this;
+        }
+
+        private void ResouceTimeoutHandler(object source, EventArgs e)
+        {
+            var resouceUnit = source as DataStoreUnit;
+            if (resouceUnit != null)
+            {
+                System.Diagnostics.Trace.TraceInformation(resouceUnit.DatastoreKey + " timeout occured, now destroy it!");
+                DeleteDataStoreInstance(resouceUnit.DatastoreKey);
+            }
+        }
+
+        private class DataStoreUnit
+        {
+            public TKey DatastoreKey { get; }
+
+            public TDataStoreType DataStore { get; }
+
+            public DateTime DataStoreLastUsedDateTime { get; private set; }
+
+            private Timer DataStoreTimer { get; set; }
+
+            private double _dataStoreLifeTime;
+
+            private EventHandler _timerTimeoutHandler;
+
+            public DataStoreUnit(TKey key, double dataStoreLifeTime, EventHandler dataStoreTimeoutHandler)
+            {
+                DatastoreKey = key;
+                DataStore = new TDataStoreType();
+                DataStoreLastUsedDateTime = DateTime.Now;
+                _dataStoreLifeTime = dataStoreLifeTime;
+                _timerTimeoutHandler += dataStoreTimeoutHandler;
+                InitTimer();
+            }
+
+            public DataStoreUnit UpdateLastUsedDateTime()
+            {
+                UpdateTimer();
+                DataStoreLastUsedDateTime = DateTime.Now;
+                return this;
+            }
+
+            public void StopTimer()
+            {
+                DataStoreTimer.Stop();
+            }
+
+            private Timer InitTimer()
+            {
+                DataStoreTimer = new Timer(_dataStoreLifeTime);
+                DataStoreTimer.Elapsed += (sender, args) => { _timerTimeoutHandler?.Invoke(this, args); };
+                DataStoreTimer.Start();
+                return DataStoreTimer;
+            }
+
+            private void UpdateTimer()
+            {
+                DataStoreTimer.Stop();
+                DataStoreTimer = InitTimer();
+            }
+        };
+    }
+}

test/ODataEndToEnd/Microsoft.OData.Service.Library/DataStoreManager/IDataStoreManager.cs

@@ -0,0 +1,14 @@
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+// Licensed under the MIT License.  See License.txt in the project root for license information.
+
+namespace Microsoft.OData.Service.Library.DataStoreManager
+{
+    /// <summary>
+    /// Resource management interface.
+    /// </summary>
+    public interface IDataStoreManager<TKey, TDataStoreType>
+    {
+        TDataStoreType GetDataStoreInstance(TKey key);
+        TDataStoreType ResetDataStoreInstance(TKey key);
+    }
+}

test/ODataEndToEnd/Microsoft.OData.Service.Library/Microsoft.OData.Service.Library.csproj

@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{1CA9B17F-D3F8-4FC3-A992-5135DCCAB9DE}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Microsoft.OData.Service.Library</RootNamespace>
+    <AssemblyName>Microsoft.OData.Service.Library</AssemblyName>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Newtonsoft.Json.6.0.4\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Web" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="DataStoreManager\DefaultDataStoreManager.cs" />
+    <Compile Include="DataStoreManager\IDataStoreManager.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Utils\LibraryUtils.cs" />
+    <Compile Include="Utils\ODataSessionIdManager.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

test/ODataEndToEnd/Microsoft.OData.Service.Library/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Microsoft.OData.Service.Library")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Microsoft.OData.Service.Library")]
+[assembly: AssemblyCopyright("Copyright ©  2016")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("1ca9b17f-d3f8-4fc3-a992-5135dccab9de")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

test/ODataEndToEnd/Microsoft.OData.Service.Library/Utils/LibraryUtils.cs

@@ -0,0 +1,14 @@
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+// Licensed under the MIT License.  See License.txt in the project root for license information.
+
+namespace Microsoft.OData.Service.Library.Utils
+{
+    public static class LibraryUtils
+    {
+        static public string GetSessionId()
+        {
+            var session = System.Web.HttpContext.Current.Session;
+            return session?.SessionID;
+        }
+    }
+}

test/ODataEndToEnd/Microsoft.OData.Service.Library/Utils/ODataSessionIdManager.cs

@@ -0,0 +1,75 @@
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+// Licensed under the MIT License.  See License.txt in the project root for license information.
+
+using System.Text.RegularExpressions;
+using System.Web;
+using System.Web.SessionState;
+
+namespace Microsoft.OData.Service.Library.Utils
+{
+    /// <summary>
+    /// The default SessionIdManager in Azure will cause to loop 302, use custom SessionIdManager to avoid this.
+    /// </summary>
+    public class ODataSessionIdManager : ISessionIDManager
+    {
+        private static InternalSessionIdManager _internalManager = new InternalSessionIdManager();
+
+        public string CreateSessionID(HttpContext context)
+        {
+            return _internalManager.CreateSessionID(context);
+        }
+
+        public string GetSessionID(HttpContext context)
+        {
+            var id = HttpContext.Current.Items["AspCookielessSession"] as string;
+
+            // Azure web site does not support header "AspFilterSessionId", so we cannot get context.Items["AspCookielessSession"]
+            // for azure web site use, Headers["X-Original-URL"] format: /(S(xxx))/odata/path.
+            var originalUrl = HttpContext.Current.Request.Headers["X-Original-URL"];
+
+            if (!string.IsNullOrEmpty(originalUrl))
+            {
+                var match = Regex.Match(HttpContext.Current.Request.Headers["X-Original-URL"], @"/\(S\((\w+)\)\)");
+                if (match.Success)
+                {
+                    id = match.Groups[1].Value;
+                }
+            }
+
+            return id;
+        }
+
+        public void Initialize()
+        {
+            _internalManager.Initialize();
+        }
+
+        public bool InitializeRequest(HttpContext context, bool suppressAutoDetectRedirect, out bool supportSessionIdReissue)
+        {
+            return _internalManager.InitializeRequest(context, suppressAutoDetectRedirect, out supportSessionIdReissue);
+        }
+
+        public void RemoveSessionID(HttpContext context)
+        {
+            _internalManager.RemoveSessionID(context);
+        }
+
+        public void SaveSessionID(HttpContext context, string id, out bool redirected, out bool cookieAdded)
+        {
+            _internalManager.SaveSessionID(context, id, out redirected, out cookieAdded);
+        }
+
+        public bool Validate(string id)
+        {
+            return _internalManager.Validate(id);
+        }
+
+        private class InternalSessionIdManager : SessionIDManager
+        {
+            public override bool Validate(string id)
+            {
+                return !string.IsNullOrEmpty(id);
+            }
+        }
+    }
+}