Writing a Web Server from Scratch

Marc Clifton

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2 Jan 2015CPOL23 min read

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By popular request, here is how I implemented a lightweight web server in <650 lines of code.

In this article I document, step by step, the construction of the web server, so you can get a feel for how it is built from a blank slate, the design and implementation decisions (good or bad) and the overall process. The first step of process is to get an HttpListener class working. Then we add some logging. Then create a basic structure for our web application. Next I implement a simple mechanism for routing verbs and paths to handlers, and deal with authenticaion and session expiration, and do some AJAX Queries.

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Marc Clifton

Architect Interacx

United States

Blog: https://marcclifton.wordpress.com/
Home Page: http://www.marcclifton.com
Research: http://www.higherorderprogramming.com/
GitHub: https://github.com/cliftonm

All my life I have been passionate about architecture / software design, as this is the cornerstone to a maintainable and extensible application. As such, I have enjoyed exploring some crazy ideas and discovering that they are not so crazy after all. I also love writing about my ideas and seeing the community response. As a consultant, I've enjoyed working in a wide range of industries such as aerospace, boatyard management, remote sensing, emergency services / data management, and casino operations. I've done a variety of pro-bono work non-profit organizations related to nature conservancy, drug recovery and women's health.

Writing a Web Server from Scratch

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