133 lines
4.5 KiB
C++
133 lines
4.5 KiB
C++
/******************************************************************************/
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* server.cpp :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: vvaas <vvaas@student.42angouleme.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2024/01/21 09:31:17 by maldavid #+# #+# */
|
|
/* Updated: 2024/01/22 01:39:29 by vvaas ### ########.fr */
|
|
/* */
|
|
/******************************************************************************/
|
|
|
|
#include <server.hpp>
|
|
#include <client.hpp>
|
|
#include <channel.hpp>
|
|
#include <logs.hpp>
|
|
#include <cstring>
|
|
#include <errno.h>
|
|
#include <stack>
|
|
#include <fcntl.h>
|
|
#include <ansi.hpp>
|
|
|
|
/** Commands to handle
|
|
* NICK
|
|
* USER
|
|
* QUIT
|
|
* PART
|
|
* JOIN
|
|
* PRIVMSG
|
|
* NOTICE
|
|
* KICK
|
|
* MOTD
|
|
* TOPIC
|
|
* PING
|
|
* MODE
|
|
*/
|
|
|
|
namespace irc
|
|
{
|
|
Server::Server(int port, const std::string& password) : _s_len(sizeof(_s_data)), _password(password), _port(port), _active(true)
|
|
{
|
|
std::memset(&_s_data, 0, sizeof(sockaddr));
|
|
init_socket();
|
|
wait();
|
|
}
|
|
|
|
void Server::init_socket_data(void)
|
|
{
|
|
_s_data.sin_family = AF_INET;
|
|
_s_data.sin_addr.s_addr = INADDR_ANY;
|
|
_s_data.sin_port = htons(_port);
|
|
_main_socket = socket(AF_INET, SOCK_STREAM, 0); // AF_INET == IPv4, SOCK_STREAM == TCP
|
|
if (_main_socket < 0)
|
|
logs::report(log_fatal_error, "socket error");
|
|
logs::report(log_message, "socket succesfully started");
|
|
}
|
|
|
|
void Server::init_socket(void)
|
|
{
|
|
int opt = 0;
|
|
|
|
init_socket_data();
|
|
if (setsockopt(_main_socket, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) // SOL_SOCKET : modify socket only, SO_REUSEADDR : Reusable after program ends
|
|
logs::report(log_fatal_error, "setsockopt() error (tout a pete)");
|
|
if (bind(_main_socket, (struct sockaddr *)&_s_data, sizeof(_s_data)) != 0) // Bind _main_socket to localhost
|
|
logs::report(log_fatal_error, "bind error");
|
|
logs::report(log_message, "bind successful, starting listen loop");
|
|
if (listen(_main_socket, MAX_USERS) != 0) // init the listen with MAX_USERS
|
|
logs::report(log_fatal_error, "listen error");
|
|
logs::report(log_message, "listen queue created successfully");
|
|
logs::report(log_message, "Server is running");
|
|
}
|
|
|
|
void Server::handle_input(void)
|
|
{
|
|
char buffer[1024] = {0};
|
|
|
|
for (std::vector<Client>::iterator it = _client.begin(); it != _client.end(); it++)
|
|
{
|
|
if (!FD_ISSET(it->get_fd(), &_fd_set))
|
|
continue ;
|
|
while (recv(it->get_fd(), buffer, 10, 0) > 0) // read() but for socket fd
|
|
{
|
|
std::cout << AnsiColor::cyan << "[User " << it->get_string_id() << "] : " << AnsiColor::reset << buffer << std::flush;
|
|
memset(buffer, 0, sizeof(buffer)); // clear the buffer to avoid trash remaining
|
|
}
|
|
if (recv(it->get_fd(), buffer, 10, 0) == 0) // recv return 0 if an user disconnect
|
|
{
|
|
std::cout << AnsiColor::cyan << "[User " << it->get_string_id() << "] : " << AnsiColor::reset << "Disconnected" << std::endl;
|
|
it = _client.erase(it) - 1; // magic bitch
|
|
}
|
|
}
|
|
}
|
|
|
|
void Server::wait(void)
|
|
{
|
|
int tmp;
|
|
int fd = 0;
|
|
int i = 0;
|
|
socklen_t len = sizeof(sockaddr_in);
|
|
|
|
while (_active)
|
|
{
|
|
FD_ZERO(&_fd_set);
|
|
FD_SET(_main_socket, &_fd_set);
|
|
for (std::vector<Client>::iterator it = _client.begin(); it != _client.end(); it++)
|
|
FD_SET(it->get_fd(), &_fd_set);
|
|
tmp = select(MAX_USERS, &_fd_set, NULL, NULL, NULL); // SELECT blocks till a connection or message is received, and let only those in _fd_set
|
|
if (tmp < 0)
|
|
logs::report(log_fatal_error, "select fd error");
|
|
if (FD_ISSET(_main_socket, &_fd_set)) // if it's a new connection
|
|
{
|
|
sockaddr_in cli_sock;
|
|
fd = accept(_main_socket, (sockaddr *)&cli_sock, &len); // adds the new connection
|
|
if (fd < 0)
|
|
logs::report(log_fatal_error, "accept() error");
|
|
if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0)
|
|
logs::report(log_fatal_error, "fcntl() error");
|
|
_client.push_back(Client(fd, cli_sock, i++)); // put the client into the vector used in handle_input
|
|
std::cout << AnsiColor::cyan << "[User " << _client.back().get_string_id() << "] : " << AnsiColor::reset << "Connected" << std::endl;
|
|
}
|
|
handle_input();
|
|
}
|
|
}
|
|
|
|
Server::~Server()
|
|
{
|
|
if (_main_socket > 0)
|
|
close(_main_socket);
|
|
}
|
|
|
|
}
|