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author | Vasudev Kamath <vasudev@copyninja.info> | 2016-10-23 21:09:40 +0530 |
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committer | Vasudev Kamath <vasudev@copyninja.info> | 2016-10-23 21:09:40 +0530 |
commit | eda4b75b1cff83336e87da90efca9fd6b4ced2c7 (patch) | |
tree | 491317ce50b5d19bc434ccc4b448d1bc70520177 /louloulibs/network/dns_socket_handler.hpp | |
parent | 716c40e4ec45f8d538695225f4f06d541d959084 (diff) | |
parent | 0f14fe83ef53b08bd8fa09670c82f4996c329bdc (diff) | |
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New upstream version 3.0upstream/3.0
Diffstat (limited to 'louloulibs/network/dns_socket_handler.hpp')
-rw-r--r-- | louloulibs/network/dns_socket_handler.hpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/louloulibs/network/dns_socket_handler.hpp b/louloulibs/network/dns_socket_handler.hpp new file mode 100644 index 0000000..0570196 --- /dev/null +++ b/louloulibs/network/dns_socket_handler.hpp @@ -0,0 +1,49 @@ +#pragma once + +#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 DNSHandler; + +class DNSSocketHandler: public SocketHandler +{ +public: + explicit DNSSocketHandler(std::shared_ptr<Poller> poller, DNSHandler& handler, const socket_t socket); + ~DNSSocketHandler() = default; + DNSSocketHandler(const DNSSocketHandler&) = delete; + DNSSocketHandler(DNSSocketHandler&&) = delete; + DNSSocketHandler& operator=(const DNSSocketHandler&) = delete; + DNSSocketHandler& operator=(DNSSocketHandler&&) = delete; + + /** + * 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; + void remove_from_poller(); + +private: + DNSHandler& handler; +}; + +#endif // CARES_FOUND |