66 lines
2.8 KiB
C#
66 lines
2.8 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="TransferRequestHandler.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.Handlers {
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using System;
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using System.Threading.Tasks;
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using System.Web.Hosting;
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internal class TransferRequestHandler : IHttpAsyncHandler {
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public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData)
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{
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return TaskAsyncHelper.BeginTask(() => ProcessRequestAsync(context), cb, extraData);
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}
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public void EndProcessRequest(IAsyncResult result)
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{
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TaskAsyncHelper.EndTask(result);
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}
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private Task ProcessRequestAsync(HttpContext context) {
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IIS7WorkerRequest wr = context.WorkerRequest as IIS7WorkerRequest;
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if (wr == null) {
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throw new PlatformNotSupportedException(SR.GetString(SR.Requires_Iis_Integrated_Mode));
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}
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// Dev10 848405: use original unencoded URL (i.e., pass null for url so W3_REQUEST::SetUrl is not called)
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// Dev11 32511: Extensionless URL Handler should not pass parent IHttpUser to child requests
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wr.ScheduleExecuteUrl(null,
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null,
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null,
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true,
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context.Request.EntityBody,
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null,
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preserveUser: false);
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// force the completion of the current request so that the
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// child execution can be performed immediately after unwind
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var releaseStateTask = context.ApplicationInstance.EnsureReleaseStateAsync();
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// DevDiv Bugs 162750: IIS7 Integrated Mode: TransferRequest performance issue
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// Instead of calling Response.End we call HttpApplication.CompleteRequest()
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if (releaseStateTask.IsCompleted) {
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context.ApplicationInstance.CompleteRequest();
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return TaskAsyncHelper.CompletedTask;
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}
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else {
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return releaseStateTask.ContinueWith((_) => context.ApplicationInstance.CompleteRequest());
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}
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}
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public void ProcessRequest(HttpContext context)
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{
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string errorMessage = SR.GetString(SR.HttpTaskAsyncHandler_CannotExecuteSynchronously, GetType());
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throw new NotSupportedException(errorMessage);
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}
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public bool IsReusable {
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get {
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return true;
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}
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}
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}
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}
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