parrots: A Simple Proxy Server

Originally inspired by an MIT 6.824 Lab assignment and developed as an example for my tpool threadpool package, parrots is a simple web proxy that

• can handle HTTP GET requests/responses of up to 65535 bytes (or responses will be truncated to fit in)

• uses epoll for I/O multiplexing (client-proxy only)

• uses pthread (tpool threadpool) for multithreading

Build

To build parrots, you simply run make.

System requirements

Since parrots uses epoll, it runs only on Linux systems.

Test

An ideal site to test this proxy server should use and only use HTTP, such as NeverSSL.

Todo

• Better error handling

• Support larger files (currently only 65535 bytes per request)

• Support HTTPS

• Support kqueue

• Support Keep-Alive

• Nonblocking connection with remote servers

Known problems

• Refreshing pages may lead to crashing (SIGPIPE)

LICENSE

Copyright 2021 Zee

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.