diff options
Diffstat (limited to 'louloulibs/network/dns_socket_handler.hpp')
m--------- | louloulibs | 0 | ||||
-rw-r--r-- | louloulibs/network/dns_socket_handler.hpp | 46 |
2 files changed, 46 insertions, 0 deletions
diff --git a/louloulibs b/louloulibs deleted file mode 160000 -Subproject 0f3c1183e2bf0941ae2bffd3f31577bce4f3001 diff --git a/louloulibs/network/dns_socket_handler.hpp b/louloulibs/network/dns_socket_handler.hpp new file mode 100644 index 0000000..ad119e1 --- /dev/null +++ b/louloulibs/network/dns_socket_handler.hpp @@ -0,0 +1,46 @@ +#ifndef DNS_SOCKET_HANDLER_HPP +# define DNS_SOCKET_HANDLER_HPP + +#include <louloulibs.h> +#ifdef CARES_FOUND + +#include <network/socket_handler.hpp> +#include <ares.h> + +/** + * Manage a socket returned by ares_fds. We do not create, open or close the + * socket ourself: this is done by c-ares. We just call ares_process_fd() + * with the correct parameters, depending on what can be done on that socket + * (Poller reported it to be writable or readeable) + */ + +class DNSSocketHandler: public SocketHandler +{ +public: + explicit DNSSocketHandler(std::shared_ptr<Poller> poller, const socket_t socket); + ~DNSSocketHandler(); + /** + * Just call dns_process_fd, c-ares will do its work of send()ing or + * recv()ing the data it wants on that socket. + */ + void on_recv() override final; + void on_send() override final; + /** + * Do nothing, because we are always considered to be connected, since the + * connection is done by c-ares and not by us. + */ + void connect() override final; + /** + * Always true, see the comment for connect() + */ + bool is_connected() const override final; + +private: + DNSSocketHandler(const DNSSocketHandler&) = delete; + DNSSocketHandler(DNSSocketHandler&&) = delete; + DNSSocketHandler& operator=(const DNSSocketHandler&) = delete; + DNSSocketHandler& operator=(DNSSocketHandler&&) = delete; +}; + +#endif // CARES_FOUND +#endif // DNS_SOCKET_HANDLER_HPP |