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- /*
- This file is part of GNUnet.
- (C) 2010 Christian Grothoff
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
- */
- /**
- * @file vpn/gnunet-daemon-vpn-dns.h
- * @brief
- * @author Philipp Toelke
- */
- #ifndef GNUNET_DAEMON_VPN_DNS_H
- #define GNUNET_DAEMON_VPN_DNS_H
- /**
- * a list of outgoing dns-query-packets
- */
- extern struct query_packet_list *head;
- /**
- * The last element of the list of outgoing dns-query-packets
- */
- extern struct query_packet_list *tail;
- /**
- * Callback called by notify_transmit_ready; sends dns-queries or rehijack-messages
- * to the service-dns
- */
- size_t send_query(void* cls, size_t size, void* buf);
- /**
- * Connect to the service-dns
- */
- void connect_to_service_dns (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc);
- /**
- * This receives packets from the service-dns and schedules process_answer to
- * handle it
- */
- void dns_answer_handler(void* cls, const struct GNUNET_MessageHeader *msg);
- /**
- * The connection to the service-dns
- */
- extern struct GNUNET_CLIENT_Connection *dns_connection;
- /**
- * A flag to show that the service-dns has to rehijack the outbound dns-packets
- *
- * This gets set when the helper restarts as the routing-tables are flushed when
- * the interface vanishes.
- */
- extern unsigned char restart_hijack;
- /**
- * A list of processed dns-responses.
- *
- * "processed" means that the packet is complete and can be sent out via udp
- * directly
- */
- extern struct answer_packet_list *answer_proc_head;
- /**
- * The last element of the list of processed dns-responses.
- */
- extern struct answer_packet_list *answer_proc_tail;
- extern GNUNET_SCHEDULER_TaskIdentifier conn_task;
- #endif /* end of include guard: GNUNET-DAEMON-VPN-DNS_H */
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