Files
biboumi/louloulibs/network/dns_socket_handler.cpp
T
louiz’ 11a1c0cc99 Always remove all the DNS sockets on an c-ares event
Because c-ares may close one of its socket, even if it’s not the one that
has the event. Otherwise we may not know when a socket has been removed from
our poller (automatically, when close()ed) and this leads to bugs.
2016-07-28 10:34:01 +02:00

49 lines
1.2 KiB
C++

#include <louloulibs.h>
#ifdef CARES_FOUND
#include <network/dns_socket_handler.hpp>
#include <network/dns_handler.hpp>
#include <network/poller.hpp>
#include <ares.h>
DNSSocketHandler::DNSSocketHandler(std::shared_ptr<Poller> poller,
DNSHandler& handler,
const socket_t socket):
SocketHandler(poller, socket),
handler(handler)
{
}
void DNSSocketHandler::connect()
{
}
void DNSSocketHandler::on_recv()
{
// always stop watching send and read events. We will re-watch them if the
// next call to ares_fds tell us to
this->handler.remove_all_sockets_from_poller();
::ares_process_fd(DNSHandler::instance.get_channel(), this->socket, ARES_SOCKET_BAD);
}
void DNSSocketHandler::on_send()
{
// always stop watching send and read events. We will re-watch them if the
// next call to ares_fds tell us to
this->handler.remove_all_sockets_from_poller();
::ares_process_fd(DNSHandler::instance.get_channel(), ARES_SOCKET_BAD, this->socket);
}
bool DNSSocketHandler::is_connected() const
{
return true;
}
void DNSSocketHandler::remove_from_poller()
{
this->poller->remove_socket_handler(this->socket);
}
#endif /* CARES_FOUND */