Post on 06-May-2015
description
IND 14-16 Dec.
Inside IIS Request Processing and ASP.NET Page LifecycleAbhijit Jana | Consultant | Microsofthttp://abhijitjana.net @abhijitjana
IND 14-16 Dec.
ASP.NET Runtime Engine and Visual Studio Role of a Web Server Key Concepts of IIS IIS and ASP.NET Requests Processing Inside Worker Process Internals of Http Pipeline Page Lifecycle Internals
Agenda
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ASP.NET Runtime Engine and Visual Studio Visual Studio IDE has it own Integrated ASP.NET
Runtime ASP.NET Development Server
WebDev.WebServer20.exe ( CLR 2.0 ) WebDev.WebServer40.exe (CLR 4.0 )
ASP.NET Development Server Runs on Specific PortLocal Development System
Visual Studio
Web Applicatio
n
ASP.NET Development ServerWebdev.WebServer20.e
xeWebdev.WebServer40.e
xe
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DEMOHow Visual Studio Runs ASP.NET Application ?
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Moving to IIS
Local Development System
Visual StudioWeb
Application
Local IIS
Worker Process
Process Request
(w3wp.exe)
Request
Response
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Key Concepts Application Pool Worker Process Web Farm Web Garden
IISApplication Pool
Worker
Process
Application Pool
Application Pool
Worker
Process
Worker
Process
Web Application 1
Web Application 2
Web Application 3Web Application
4
w3wp
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HTTP.SYS
HTTP.SYS
IIS User Level
Application Pool
W3wp.exe
Application Pool
W3wp.exe
Application Pool
W3wp.exe
ApplicationHost.Config
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Protocol Listener [ HTTP.SYS ] Protocol Listener is the part of Kernel Level of IIS Protocol listeners receive protocol-specific requests send them to IIS for processing return responses to requestors It the Kernel mode Protocol stack which listens to the
HTTP and HTTPS Request Kernel-mode caching Kernel Mode Queuing
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DEMORegistering Application Pool
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WWW service and WAS Part of User Level of IIS World Wide Web Publishing Service (WWW service) and
Windows Process Activation Service (WAS) run as Local System in the same Svchost.exe process
Performance Monitoring Processing Monitoring Configuration Management
Svchost.exe
World Wide Web Publishing Service (WWW service)
Windows Process Activation Service (WAS)
HTTP.SYS
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Overall View Of IIS in Request Processing
Svchost.exe
World Wide Web Publishing Service
(WWW service)
Windows Process Activation Service
(WAS)
HTTP.SYS
Application Pool
ApplicationHost.Config
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Overall View Of IIS in Request Processing
Svchost.exe
World Wide Web Publishing Service
(WWW service)
Windows Process Activation Service
(WAS)
HTTP.SYS
Application Pool
ApplicationHost.Config
Worker Process (w3wp.exe)
HTTP Module
HTTP Module
HTTP Module
HTTP Module
HTTP Module
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Application Pool
Inside Worker Process ( w3wp.exe)
W3wp.exe
aspnet_isapi.dll
Http Application
HTTP Module
HTTP Handler HTTP Handler
HTTP Module
HTTP Module
HTTP Module
HTTP Module
HTTPRuntime
HTTPProcessRequest
HTTPContext
HTTP Application
HTTP ApplicationFactory.NET R
unti
me
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DEMOIISAPI Process Request and Application Domain Creation
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Inside Worker Process ( w3wp.exe)
ISAPIRuntime.ProcessRequest() HttpRuntime.ProcessReq
uest
Create New Instance of HttpContext
Load HttpApplication Calls
HttpApplication.Init()
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HTTP Application Created By HTTPApplicationFacotry class It’s create pool of HTTPApplication Object
W3wp.exe
Web Server Core
BeginRequest
Modules
Authentication
Authorization
Cache Resolution
Handler
Release State
Update Log
End Request Processing
BasicAuthenticationModule
HttpCacheModule
StaticCompressionModule
DynamicStaticCompressionModule
URL Authorization
Tracing
HTTP Error
HTTP Logging
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HTTPContext.Current.Items
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Application
HTTPModule
Handler Factory
HTTPHandler
ASP.NET Page
HTTP Pipeline Request Flow
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DEMOHTTP Application and HTTP Module
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DEMORetrieve Module Specific Information
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Svchost.exe
World Wide Web Publishing Service
(WWW service)
Windows Process Activation Service
(WAS)
HTTP.SYS
Application Pool
ApplicationHost.Config
W3wp.exe
Web Server Core
BeginRequest
Modules
Authentication
Authorization
Cache Resolution
Handler
Release State
Update Log
End Request Processing
BasicAuthenticationModule
HttpCacheModule
StaticCompressionModule
DynamicStaticCompressionMod
ule
URL Authorization
Tracing
HTTP Error
HTTP Logging
1
2
3
4
5
6
7
89
10
11
12
Quick Recall !!!
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Request Flow in ASP.NET
IIS
Global.aspx
ASP.NET Runtime
HTTPPipeline
ASP.NET Pages
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ASP.NET Page Lifecycle
Page_PreInit
Page_Init
Load View State
Load Post Back Data
Page_Load
Page Post back event
Pre Render
Save View State
Render
Unload
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DEMOInternals of ASP.NET Page Life Cycle
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Visual Studio Integrated Web Server Execution Process
Application Pool, Worker Process, Web Farm, Web Garden
User Level and Kernel Level of IIS Application Configuration, SVCHOST.EXE, WWW,
WAS IISAPI Filter, HTTP Module and HTTP Handler ,
Handler Factory HTTP Pipeline, ASP.NET Routing Module Page Life Cycle Internal Events
KEY TAKEAWAY
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Resources
http://msdn.microsoft.com/ http://technet.microsoft.com/
msdnindia technetindia
@msdnindia
@technetindia
SOFTWARE APPLICATION DEVELOPER
INFRASTRUCTURE PROFESSIONALS
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© 2012 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
Abhijit Jana | Consultant | Microsoftabhijan@microsoft.com | abhijit.jana@microsoft.com http://abhijitjana.net @abhijitjana
Thank You !