/*

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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")

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*

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* This Source Code Form is subject to the terms of the Mozilla Public

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* License, v. 2.0. If a copy of the MPL was not distributed with this

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* file, you can obtain one at https://mozilla.org/MPL/2.0/.

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*

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* See the COPYRIGHT file distributed with this work for additional

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* information regarding copyright ownership.

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*/

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#ifndef DNS_PEER_H

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#define DNS_PEER_H 1

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/*****

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***** Module Info

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*****/

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/*! \file dns/peer.h

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* \brief

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* Data structures for peers (e.g. a 'server' config file statement)

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*/

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/***

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*** Imports

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***/

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#include <inttypes.h>

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#include <stdbool.h>

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#include <isc/lang.h>

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#include <isc/magic.h>

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#include <isc/netaddr.h>

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#include <dns/types.h>

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#define DNS_PEERLIST_MAGIC ISC_MAGIC('s','e','R','L')

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#define DNS_PEER_MAGIC ISC_MAGIC('S','E','r','v')

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#define DNS_PEERLIST_VALID(ptr) ISC_MAGIC_VALID(ptr, DNS_PEERLIST_MAGIC)

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#define DNS_PEER_VALID(ptr) ISC_MAGIC_VALID(ptr, DNS_PEER_MAGIC)

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/***

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*** Types

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***/

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struct dns_peerlist {

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unsigned int magic;

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uint32_t refs;

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isc_mem_t *mem;

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ISC_LIST(dns_peer_t) elements;

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};

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struct dns_peer {

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unsigned int magic;

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uint32_t refs;

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isc_mem_t *mem;

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isc_netaddr_t address;

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unsigned int prefixlen;

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bool bogus;

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dns_transfer_format_t transfer_format;

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uint32_t transfers;

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bool support_ixfr;

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bool provide_ixfr;

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bool request_ixfr;

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bool support_edns;

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bool request_nsid;

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bool send_cookie;

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bool request_expire;

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bool force_tcp;

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dns_name_t *key;

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isc_sockaddr_t *transfer_source;

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isc_dscp_t transfer_dscp;

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isc_sockaddr_t *notify_source;

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isc_dscp_t notify_dscp;

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isc_sockaddr_t *query_source;

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isc_dscp_t query_dscp;

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uint16_t udpsize; /* receive size */

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uint16_t maxudp; /* transmit size */

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uint8_t ednsversion; /* edns version */

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uint32_t bitflags;

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ISC_LINK(dns_peer_t) next;

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};

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/***

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*** Functions

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***/

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ISC_LANG_BEGINDECLS

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isc_result_t

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dns_peerlist_new(isc_mem_t *mem, dns_peerlist_t **list);

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void

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dns_peerlist_attach(dns_peerlist_t *source, dns_peerlist_t **target);

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void

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dns_peerlist_detach(dns_peerlist_t **list);

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/*

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* After return caller still holds a reference to peer.

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*/

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void

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dns_peerlist_addpeer(dns_peerlist_t *peers, dns_peer_t *peer);

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/*

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* Ditto. */

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isc_result_t

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dns_peerlist_peerbyaddr(dns_peerlist_t *peers, isc_netaddr_t *addr,

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dns_peer_t **retval);

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/*

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* What he said.

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*/

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isc_result_t

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dns_peerlist_currpeer(dns_peerlist_t *peers, dns_peer_t **retval);

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isc_result_t

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dns_peer_new(isc_mem_t *mem, isc_netaddr_t *ipaddr, dns_peer_t **peer);

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isc_result_t

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dns_peer_newprefix(isc_mem_t *mem, isc_netaddr_t *ipaddr,

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unsigned int prefixlen, dns_peer_t **peer);

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void

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dns_peer_attach(dns_peer_t *source, dns_peer_t **target);

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void

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dns_peer_detach(dns_peer_t **list);

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isc_result_t

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dns_peer_setbogus(dns_peer_t *peer, bool newval);

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isc_result_t

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dns_peer_getbogus(dns_peer_t *peer, bool *retval);

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isc_result_t

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dns_peer_setrequestixfr(dns_peer_t *peer, bool newval);

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isc_result_t

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dns_peer_getrequestixfr(dns_peer_t *peer, bool *retval);

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isc_result_t

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dns_peer_setprovideixfr(dns_peer_t *peer, bool newval);

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isc_result_t

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dns_peer_getprovideixfr(dns_peer_t *peer, bool *retval);

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isc_result_t

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dns_peer_setrequestnsid(dns_peer_t *peer, bool newval);

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isc_result_t

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dns_peer_getrequestnsid(dns_peer_t *peer, bool *retval);

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isc_result_t

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dns_peer_setsendcookie(dns_peer_t *peer, bool newval);

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isc_result_t

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dns_peer_getsendcookie(dns_peer_t *peer, bool *retval);

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isc_result_t

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dns_peer_setrequestexpire(dns_peer_t *peer, bool newval);

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isc_result_t

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dns_peer_getrequestexpire(dns_peer_t *peer, bool *retval);

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isc_result_t

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dns_peer_setsupportedns(dns_peer_t *peer, bool newval);

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isc_result_t

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dns_peer_getforcetcp(dns_peer_t *peer, bool *retval);

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isc_result_t

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dns_peer_setforcetcp(dns_peer_t *peer, bool newval);

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isc_result_t

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dns_peer_getsupportedns(dns_peer_t *peer, bool *retval);

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isc_result_t

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dns_peer_settransfers(dns_peer_t *peer, uint32_t newval);

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isc_result_t

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dns_peer_gettransfers(dns_peer_t *peer, uint32_t *retval);

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isc_result_t

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dns_peer_settransferformat(dns_peer_t *peer, dns_transfer_format_t newval);

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isc_result_t

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dns_peer_gettransferformat(dns_peer_t *peer, dns_transfer_format_t *retval);

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isc_result_t

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dns_peer_setkeybycharp(dns_peer_t *peer, const char *keyval);

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isc_result_t

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dns_peer_getkey(dns_peer_t *peer, dns_name_t **retval);

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isc_result_t

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dns_peer_setkey(dns_peer_t *peer, dns_name_t **keyval);

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isc_result_t

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dns_peer_settransfersource(dns_peer_t *peer,

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const isc_sockaddr_t *transfer_source);

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isc_result_t

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dns_peer_gettransfersource(dns_peer_t *peer, isc_sockaddr_t *transfer_source);

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isc_result_t

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dns_peer_setudpsize(dns_peer_t *peer, uint16_t udpsize);

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isc_result_t

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dns_peer_getudpsize(dns_peer_t *peer, uint16_t *udpsize);

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isc_result_t

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dns_peer_setmaxudp(dns_peer_t *peer, uint16_t maxudp);

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isc_result_t

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dns_peer_getmaxudp(dns_peer_t *peer, uint16_t *maxudp);

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isc_result_t

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dns_peer_setnotifysource(dns_peer_t *peer, const isc_sockaddr_t *notify_source);

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isc_result_t

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dns_peer_getnotifysource(dns_peer_t *peer, isc_sockaddr_t *notify_source);

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isc_result_t

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dns_peer_setquerysource(dns_peer_t *peer, const isc_sockaddr_t *query_source);

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isc_result_t

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dns_peer_getquerysource(dns_peer_t *peer, isc_sockaddr_t *query_source);

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isc_result_t

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dns_peer_setnotifydscp(dns_peer_t *peer, isc_dscp_t dscp);

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isc_result_t

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dns_peer_getnotifydscp(dns_peer_t *peer, isc_dscp_t *dscpp);

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isc_result_t

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dns_peer_settransferdscp(dns_peer_t *peer, isc_dscp_t dscp);

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isc_result_t

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dns_peer_gettransferdscp(dns_peer_t *peer, isc_dscp_t *dscpp);

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isc_result_t

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dns_peer_setquerydscp(dns_peer_t *peer, isc_dscp_t dscp);

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isc_result_t

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dns_peer_getquerydscp(dns_peer_t *peer, isc_dscp_t *dscpp);

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isc_result_t

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dns_peer_setednsversion(dns_peer_t *peer, uint8_t ednsversion);

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isc_result_t

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dns_peer_getednsversion(dns_peer_t *peer, uint8_t *ednsversion);

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ISC_LANG_ENDDECLS

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#endif /* DNS_PEER_H */

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