#include "Webserv.hpp"

void	Webserv::init_virtual_servers() // ADD config param
{
	_socket_fd = ::socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, 0); // (SOCK_CLOEXEC) for CGI fork ?
	if (_socket_fd == -1)
	{
		std::perror("err socket()");
		throw std::runtime_error("Socket init");
	}

	_bind(_socket_fd, 4040);
	_listen(_socket_fd, 512); // 512 arbitrary

	if (_epoll_update(_socket_fd, EPOLLIN, EPOLL_CTL_ADD) == -1)
		throw std::runtime_error("Socket init");
}

void	Webserv::_bind(int socket_fd, in_port_t port)
{
	// cast invalid ? how to ?
	// const struct sockaddr* cast_test = static_cast<const struct sockaddr*>(addr);

	struct sockaddr_in	addr;
	std::memset(&addr, 0, sizeof addr);
	addr.sin_family = AF_INET;
	addr.sin_port = ::htons(port);
	addr.sin_addr.s_addr = ::htonl(INADDR_ANY); // htonl useless with 0 value (INADDR_ANY) ?

	if (::bind(socket_fd, (const sockaddr*)&addr, sizeof addr) == -1)
	{
		std::perror("err bind()");
		throw std::runtime_error("Socket bind");		
	}
}

void	Webserv::_listen(int socket_fd, unsigned int max_connections)
{
	if (::listen(socket_fd, max_connections) == -1)
	{
		std::perror("err listen()");
		throw std::runtime_error("Socket listen");
	}
}