Files
42_INT_12_webserv/srcs/Webserv.cpp
2022-07-12 00:51:43 +02:00

122 lines
2.6 KiB
C++

#include "Webserv.hpp"
Webserv::Webserv()
{
std::cout << "Server init\n";
_socket_fd = ::socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, 0);
if (_socket_fd == -1)
{
::perror("err socket(): ");
throw std::runtime_error("Socket init");
}
}
/* Webserv::Webserv(Webserv const &src)
{
} */
Webserv::~Webserv()
{
std::cout << "Server destroyed\n";
}
/* Webserv & Webserv::operator=(Webserv const &rhs)
{
} */
///////////////
// Functions //
void Webserv::bind(in_port_t port)
{
// cast invalid ? how to ?
// const struct sockaddr* cast_test = static_cast<const struct sockaddr*>(addr);
struct sockaddr_in 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)
{
::perror("err bind(): ");
throw std::runtime_error("Socket bind");
}
}
void Webserv::listen(unsigned int max_connections)
{
if (::listen(_socket_fd, max_connections) == -1)
{
::perror("err listen(): ");
throw std::runtime_error("Socket listen");
}
}
#define BUFSIZE 8192
#define MSG_TEST "Le Webserv / 20 =D\n"
#define MSG_BOUNCE "bounced properly ;)\n" // placeholder
void Webserv::start()
{
struct sockaddr_in addr;
socklen_t addr_len;
int accepted_fd;
// poll (or equivalent)
struct pollfd poll_s;
poll_s.fd = _socket_fd;
poll_s.events = POLLIN;
char buf[BUFSIZE]; // WIP buffer. need to try with std::vector or std::string.
int ret;
std::cout << "Server started\n";
while (1)
{
std::cout << "----------\n";
std::cout << "poll()\n"; // poll (or equivalent)
::poll(&poll_s, 1, -1);
std::cout << "accept()\n";
addr_len = sizeof addr;
accepted_fd = ::accept(_socket_fd, (sockaddr*)&addr, &addr_len);
if (accepted_fd == -1)
{
::perror("err accept(): ");
continue;
}
// "Your server must never block and the client can be bounced properly if necessary".
// NO-Block OK, but how to handle it ? Miss the bouncing part.
::fcntl(accepted_fd, F_SETFL, O_NONBLOCK);
std::cout << "recv()\n";
ret = ::recv(accepted_fd, buf, BUFSIZE, 0);
if (ret == -1)
{
::perror("err recv(): ");
if (::send(accepted_fd, MSG_BOUNCE, sizeof MSG_BOUNCE - 1, 0) == -1)
::perror("err send(): ");
::close(accepted_fd);
continue;
}
/*
if (ret == BUFSIZE)
// send error like "request too long" to client
*/
buf[ret] = '\0';
std::cout << "send()\n";
if (::send(accepted_fd, buf, ret, 0) == -1) // echo the read
::perror("err send(): ");
if (::send(accepted_fd, MSG_TEST, sizeof MSG_TEST - 1, 0) == -1)
::perror("err send(): ");
::close(accepted_fd);
}
}