#include "http_server.hpp"

#include <iostream>

#include <netinet/in.h>

#include <unistd.h>

#include <cstring>

HttpServer::HttpServer(int port) : port(port), server_fd(-1) {}

void HttpServer::start() {

server_fd = socket(AF_INET, SOCK_STREAM, 0);

if (server_fd == 0) {

perror("Socket failed");

return;

}

sockaddr_in address{};

int opt = 1;

setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));

address.sin_family = AF_INET;

address.sin_addr.s_addr = INADDR_ANY;

address.sin_port = htons(port);

if (bind(server_fd, (struct sockaddr*)&address, sizeof(address)) < 0) {

perror("Bind failed");

return;

}

if (listen(server_fd, 3) < 0) {

perror("Listen failed");

return;

}

std::cout << "Server listening on port " << port << "...\n";

while (true) {

int addrlen = sizeof(address);

int client_socket = accept(server_fd, (struct sockaddr*)&address, (socklen_t*)&addrlen);

if (client_socket >= 0) {

handle_client(client_socket);

}

}

}

void HttpServer::handle_client(int client_socket) {

char buffer[2048] = {0};

read(client_socket, buffer, sizeof(buffer));

std::cout << "Request:\n" << buffer << std::endl;

std::string response =

"HTTP/1.1 200 OK\r\n"

"Content-Type: text/plain\r\n"

"Connection: close\r\n\r\n"

"Hello from cpp-http-server!\n";

send(client_socket, response.c_str(), response.size(), 0);

close(client_socket);

}