Overview

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cest - A Minimalist C Web Framework

Introduction

cest is a nanoframework. As such, it does at most what a microframework would do, but more minimalist.

Anyway, cest is kind of an experiment; the goal is to build a complete standalone web application server, from scratch, in C, with minimal dependencies. The idea is to see how far this can be taken.

Features

Currently implemented:

  • a standalone forking HTTP server
  • parsing HTTP requests, getting HTTP verb, request path, headers and raw body
  • lazy loading HTTP bodies
  • streamed reading of HTTP bodies
  • writing out HTTP responses, setting response headers
  • automatic Content-Length header setting
  • compiled "templates" (or rather, an EDSL for constructing well-formed HTML documents from within C)

Not yet implemented, but likely to be in the near future:

  • parsing GET parameters
  • parsing POST bodies
  • parsing paths, and some kind of routing
  • cookies and sessions (maybe)
  • convenience functions for redirecting and aborting
  • JSON support (maybe)
  • some shared state between worker processes
  • streaming response bodies
  • static file serving
  • proper support for HEAD and OPTIONS
  • a more complete list of HTTP status messages
  • a middleware mechanism
  • dealing with character encodings / unicode support

Not yet implemented, needs more thinking:

  • implement alternative server strategies: threaded, single-process, prefork?
  • internal subrequests
  • short-circuiting processing (other languages use exceptions for this)
  • catching dead worker processes and serving a 500 instead

Not yet implemented, less likely to be included:

  • SQL database connectivity
  • caching
  • JSON support

(These are better left to external libraries, although a bit of glue can't hurt)