/*
* daemon/cachedump.h - dump the cache to text format.
*
* Copyright (c) 2008, NLnet Labs. All rights reserved.
*
* This software is open source.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the NLNET LABS nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \file
*
* This file contains functions to read and write the cache(s)
* to text format.
*
* The format of the file is as follows:
* [RRset cache]
* [Message cache]
* EOF -- fixed string "EOF" before end of the file.
*
* The RRset cache is:
* START_RRSET_CACHE
* [rrset]*
* END_RRSET_CACHE
*
* rrset is:
* ;rrset [nsec_apex] TTL rr_count rrsig_count trust security
* resource records, one per line, in zonefile format
* rrsig records, one per line, in zonefile format
* If the text conversion fails, BADRR is printed on the line.
*
* The Message cache is:
* START_MSG_CACHE
* [msg]*
* END_MSG_CACHE
*
* msg is:
* msg name class type flags qdcount ttl security an ns ar
* list of rrset references, one per line. If conversion fails, BADREF
* reference is:
* name class type flags
*
* Expired cache entries are not printed.
*/
#ifndef DAEMON_DUMPCACHE_H
#define DAEMON_DUMPCACHE_H
struct worker;
/**
* Dump cache(s) to text
* @param ssl: to print to
* @param worker: worker that is available (buffers, etc) and has
* ptrs to the caches.
* @return false on ssl print error.
*/
int dump_cache(SSL* ssl, struct worker* worker);
/**
* Load cache(s) from text
* @param ssl: to read from
* @param worker: worker that is available (buffers, etc) and has
* ptrs to the caches.
* @return false on ssl error.
*/
int load_cache(SSL* ssl, struct worker* worker);
/**
* Print the delegation used to lookup for this name.
* @param ssl: to read from
* @param worker: worker that is available (buffers, etc) and has
* ptrs to the caches.
* @param nm: name to lookup
* @param nmlen: length of name.
* @param nmlabs: labels in name.
* @return false on ssl error.
*/
int print_deleg_lookup(SSL* ssl, struct worker* worker, uint8_t* nm,
size_t nmlen, int nmlabs);
#endif /* DAEMON_DUMPCACHE_H */
