TL;DR

An echo server implementation in C. Messages sent by the client are returned as-is in the response.

Implementation Status

• Done
  • Error handling
  • Sending and receiving messages
  • DNS resolution
• ToDo
  • IPv6 support
  • Handling a large volume of requests
  • Graceful Shutdown

Usage

Starting the echo server

make run-server

Sending a request from the client

make run-client MSG="message to send" DOMAIN=domain_name