void take_fd(int fd)
{
ranger::util::scope_guard fd_guard([fd] { ranger::event::tcp_connection::file_descriptor_close(fd); });
ranger::event::tcp_connection conn(m_disp, fd);
conn.set_event_handler([this] (ranger::event::tcp_connection& conn, ranger::event::tcp_connection::event_code what)
{
switch (what)
{
case ranger::event::tcp_connection::event_code::read:
handle_read(conn, conn.read_buffer());
break;
case ranger::event::tcp_connection::event_code::timeout:
handle_timeout(conn);
break;
case ranger::event::tcp_connection::event_code::error:
handle_error(conn);
break;
case ranger::event::tcp_connection::event_code::eof:
handle_eof(conn);
break;
default:
break;
}
});
fd_guard.dismiss();
auto remote_ep = conn.remote_endpoint();
std::cout << "thread[" << std::this_thread::get_id() << "] " << "accept connection[" << remote_ep << "]." << std::endl;
m_conn_set.emplace(std::move(conn));
}
explicit echo_server(int port)
: m_acc(m_disp, ranger::event::endpoint(port)) {
m_acc.set_event_handler([this] (ranger::event::tcp_acceptor& acc, int fd) {
ranger::event::tcp_connection conn(m_disp, fd);
conn.set_event_handler([this] (ranger::event::tcp_connection& conn, ranger::event::tcp_connection::event_code what) {
switch (what) {
case ranger::event::tcp_connection::event_code::read:
handle_read(conn, conn.read_buffer());
break;
case ranger::event::tcp_connection::event_code::timeout:
handle_timeout(conn);
break;
case ranger::event::tcp_connection::event_code::error:
handle_error(conn);
break;
case ranger::event::tcp_connection::event_code::eof:
handle_eof(conn);
break;
default:
break;
}
});
auto local_ep = acc.local_endpoint();
auto remote_ep = conn.remote_endpoint();
std::cout << "acceptor[" << local_ep << "]" << " accept connection[" << remote_ep << "]." << std::endl;
m_conn_set.emplace(std::move(conn));
return true;
});
}
/*
* Process read
*/
void ttread(RP rp, TTY tp, char far* bp, int nb)
{
USHORT lflag = tp->t_lflag;
CQ qp = &tp->inq;
int cnt = 0;
int eof = 1;
int c;
/* read chars from queue */
while (nb != 0)
{
c = getc(qp,NOPEEK);
if (c < 0)
break;
/* simplified ICANON processing */
if (ISSET(lflag,ICANON))
{
if (CCEQ(tp->t_cc[VEOF],c))
{
eof = 1;
break;
}
}
bp[cnt++] = (char)c;
nb--;
eof = 0;
if (ISSET(lflag,ICANON) && CCEQ(tp->t_cc[VEOL],c))
break;
}
RWCNT(rp) = cnt;
if (ISSET(lflag,ICANON) && eof)
handle_eof(rp, tp, bp);
return;
}