HTTP Server in C++

This is a HTTP server implemented in C++ using raw sockets and object-oriented principles. The server listens on a specified port, accepts HTTP GET requests, and responds with a simple message.

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How It Works -

• SimpleSocket – Abstract base for all socket types.
• BindingSocket – Inherits from SimpleSocket and adds bind() logic.
• ListeningSocket – Adds listen() to form the server socket.
• SimpleServer – Abstract class defining the server lifecycle.
• TestServer – Concrete implementation of a working HTTP server.

The server replies to every HTTP request with:

HTTP/1.1 200 OK
Content-Type: text/plain
Content-Length: 17

Hello from server

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Build & Run

g++ Servers/test.cpp \
    Servers/TestServer.cpp Servers/SimpleServer.cpp \
    Sockets/SimpleSocket.cpp Sockets/BindingSocket.cpp \
    Sockets/ListeningSocket.cpp Sockets/ConnectingSocket.cpp \
    -o test.exe

./test.exe 

Sample Output

===== Waiting =====
GET / HTTP/1.1
Host: localhost:8082
User-Agent: curl/8.11.1
Accept: */*
===== Done =====

Test With Curl:

curl http://localhost:[Your Port Number]

Learnings:

• Raw socket programming (AF_INET, SOCK_STREAM).

• HTTP protocol structure.

• C++ virtual functions and abstraction for network layers.