ft_irc/sources/core/server.cpp
2025-05-19 20:23:22 +02:00

144 lines
5.1 KiB
C++

/******************************************************************************/
/* */
/* ::: :::::::: */
/* server.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: omoudni <omoudni@student.42paris.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/05/13 11:11:07 by rparodi #+# #+# */
/* Updated: 2025/05/19 20:16:00 by omoudni ### ########.fr */
/* */
/******************************************************************************/
#include "color.hpp"
#include "server.hpp"
#include "core.hpp"
#include <iostream>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
/**
* @brief The default constructor of the Server class.
*/
Server::Server() : _port(0), _password("") {
if (DEBUG)
std::cerr << CLR_MAGENTA << "Debug: Thanks to use the constructor with port and password !" << std::endl;
std::cout << CLR_GREY << "Info: Server default constructor called" << CLR_RESET << std::endl;
}
/**
* @brief The constructor of the Server class.
*
* @param port The port given by the user (argv[1])
* @param password The password given by the user (argv[2])
*
* @note Thanks to check the port / password before give them to the constructor.
*/
Server::Server(int port, const std::string &password) : _port(port), _password(password) {
std::cout << CLR_GREY << "Info: Server constructor called" << CLR_RESET << std::endl;
}
/**
* @brief The default destructor of the Server class.
*/
Server::~Server() {
std::cout << CLR_GREY << "Info: Server destructor called" << CLR_RESET << std::endl;
}
void Server::start() {
int fd = socket(AF_INET, SOCK_STREAM, 0);
if (server_fd == -1) {
std::cerr << CLR_RED << "Error: Failed to create socket" << CLR_RESET << std::endl;
return;
}
setServerFd(fd);
struct sockaddr_in server_addr;
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = INADDR_ANY;
server_addr.sin_port = htons(this->_port);
if (bind(server_fd, (struct sockaddr *)&server_addr, sizeof(server_addr)) == -1) {
std::cerr << CLR_RED << "Error: Failed to bind socket" << CLR_RESET << std::endl;
close(server_fd);
return;
}
if (listen(server_fd, 5) == -1) {
std::cerr << CLR_RED << "Error: Failed to listen on socket" << CLR_RESET << std::endl;
close(server_fd);
return;
}
_pollManager.addFd(server_fd, POLLIN);
std::cout << CLR_GREEN << "Server started on port " << this->_port << CLR_RESET << std::endl;
std::cout << CLR_GREEN << "Waiting for clients..." << CLR_RESET << std::endl;
while (true) {
int n = _pollManager.pollEvents();
if (n < 0) {
std::cerr << CLR_RED << "Poll error" << CLR_RESET << std::endl;
break;
}
const std::vector<struct pollfd>& fds = _pollManager.getFds();
for (size_t i = 0; i < fds.size(); ++i) {
if (fds[i].revents & POLLIN) {
if (fds[i].fd == server_fd) {
// Accept new client
int client_fd = accept(server_fd, NULL, NULL);
if (client_fd != -1) {
_pollManager.addFd(client_fd, POLLIN);
std::cout << CLR_GREEN << "Client connected" << CLR_RESET << std::endl;
std::cout << "Welcome to IRC. Your client_id is: " << client_fd << std::endl;
} else {
std::cerr << CLR_RED << "Error: Failed to accept client" << CLR_RESET << std::endl;
}
} else {
// Handle client communication
char buffer[1024];
ssize_t bytes_received = recv(fds[i].fd, buffer, sizeof(buffer) - 1, 0);
if (bytes_received <= 0) {
// Client disconnected
// if it's negative, it means an error occurred, maybe print it with perror?
std::cout << CLR_RED << "Client disconnected" << CLR_RESET << std::endl;
close(fds[i].fd);
_pollManager.removeFd(fds[i].fd);
} else {
buffer[bytes_received] = '\0';
std::cout << "Received: " << buffer << std::endl;
// Optionally: send response to client here
}
}
}
}
}
close(server_fd);
std::cout << CLR_GREEN << "Server stopped" << CLR_RESET << std::endl;
}
/**
* @brief Show the server settings.
*
* @note This function is used to show the server settings.
* It is used for debug purpose.
*/
void Server::showInfo() const {
std::cout << std::endl;
std::cout << CLR_BLUE << "IRCSettings:" << CLR_RESET << std::endl;
std::cout << CLR_BLUE << "\t- Port:\t\t" << CLR_GOLD << this->_port << CLR_RESET << std::endl;
std::cout << CLR_BLUE << "\t- Password:\t" << CLR_GOLD << this->_password << CLR_RESET << std::endl;
}
/**
* @brief The getter of the port.
*
* @return the port of the server
*/
unsigned short int Server::getPort() const {
return this->_port;
}
void Server::setServerFd(int fd) {
this->server_fd = fd;
}