Help implementing a simple working TCP server and client using C++

Job ID: 35667428

Budget: €50 – €65 EUR

It is highly recommended using at least WSL for this exercise! They should work fine on MacOS.
I'll give you the instructions explained in detail and the basic .h and .cpp files. Moreover, everything is commented in order you can understand better.
I'll give you an extra .cpp with file cases to test it.

Please, if you are reading this post you already know the budget of this project. Don't ask it again!