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/*
* xfrd-notify.h - notify sending routines.
*
* Copyright (c) 2001-2011, NLnet Labs. All rights reserved.
*
* See LICENSE for the license.
*
*/
#ifndef XFRD_NOTIFY_H
#define XFRD_NOTIFY_H
#include "config.h"
#include "tsig.h"
#include "netio.h"
#include "rbtree.h"
struct nsd;
struct region;
struct xfrd_zone;
struct zone_options;
struct zone;
struct xfrd_soa;
struct acl_options;
/**
* This struct keeps track of outbound notifies for a zone.
*/
struct notify_zone_t {
rbnode_t node;
/* name of the zone */
const dname_type* apex;
const char* apex_str;
tsig_record_type notify_tsig; /* tsig state for notify */
struct zone_options* options;
struct xfrd_soa *current_soa; /* current SOA in NSD */
/* notify sending handler */
/* Not saved on disk (i.e. kill of daemon stops notifies) */
netio_handler_type notify_send_handler;
struct timespec notify_timeout;
struct acl_options* notify_current; /* current slave to notify */
uint8_t notify_retry; /* how manieth retry in sending to current */
uint16_t notify_query_id;
/* is this notify waiting for a socket? */
uint8_t is_waiting;
/* next in the waiting list for the udp sockets */
struct notify_zone_t* waiting_next;
};
/* initialise outgoing notifies */
void init_notify_send(rbtree_t* tree, netio_type* netio, region_type* region,
const dname_type* apex, struct zone_options* options,
struct zone* dbzone);
/* send notifications to all in the notify list */
void xfrd_send_notify(rbtree_t* tree, const struct dname* apex,
struct xfrd_soa* new_soa);
/* handle soa update notify for a master zone. newsoa can be NULL.
Makes sure that the soa (serial) has changed. Or drops notify. */
void notify_handle_master_zone_soainfo(rbtree_t* tree,
const dname_type* apex, struct xfrd_soa* new_soa);
/* close fds in use for notification sending */
void close_notify_fds(rbtree_t* tree);
#endif /* XFRD_NOTIFY_H */
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