/http-server-cpp

HTTP/1.1 server that is capable of handling multiple clients with GET and POST requests

Primary LanguageC++

Simple HTTP Server

This project is a simple HTTP server written in C++. It handles basic HTTP requests including GET and POST methods and serves files from a specified directory. The server responds with appropriate HTTP status codes and can also echo messages back to the client.

Features

  • Handles basic HTTP GET and POST requests.
  • Serves files from a specified directory.
  • Echoes messages back to the client.
  • Responds with appropriate HTTP status codes (200 OK, 404 Not Found, 201 Created).
  • Supports User-Agent inspection.
  • Multi-threaded to handle multiple client connections simultaneously.

Requirements

  • A C++ compiler that supports C++11 or later.
  • POSIX-compliant operating system (e.g., Linux, macOS).

Usage

  1. Compile the server:

    g++ -std=c++11 -pthread -o server main.cpp

  2. Run the server:

    ./server --directory <path_to_directory>

    Replace <path_to_directory> with the path to the directory you want to serve files from.

Code Overview

Functions

  • sockaddr_in setting_server_addr()

    • Configures and returns the server address structure.

  • int server_setup(const int &server_fd, sockaddr_in &server_addr)

    • Binds the server to a port and starts listening for incoming connections.

  • void cutting_connection()

    • Signals the end of a connection.

  • int create_socket()

    • Creates and returns a server socket.

  • void default_success_response(const int &client_fd)

    • Sends a default success (200 OK) response to the client.

  • void default_fail_response(const int &client_fd)

    • Sends a default failure (404 Not Found) response to the client.

  • void get_echo_response(const int &client_fd, const std::string &client_msg)

    • Handles GET requests to /echo/ by echoing back the message.

  • std::string encoding_request(const std::string &client_msg, int start_encoding_index)

    • Parses and returns the encoding type from the client's request.

  • void get_user_ag_response(const int &client_fd, const std::string &client_msg)

    • Handles GET requests to /user-agent by returning the client's User-Agent.

  • void get_files_response(const int &client_fd, const std::string &client_msg)

    • Handles GET requests to /files/ by serving the requested file.

  • void post_files_response(const int &client_fd, const std::string &client_msg)

    • Handles POST requests to /files/ by saving the uploaded file.

  • void processing_user_request(const int &client_fd, const std::string &client_msg)

    • Processes the client's request and routes it to the appropriate handler.

  • void handle_client(const int &client_fd)

    • Receives the client's message and processes the request.

Main Function

  • Sets up the server socket.
  • Binds to the port and starts listening.
  • Accepts client connections and spawns threads to handle each client.