1 /* 2 * Copyright (c) 2009 NLNet Labs. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 19 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 21 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 22 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 23 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 /** 28 * Domain name database. 29 * 30 */ 31 32 #ifndef SIGNER_IXFR_H 33 #define SIGNER_IXFR_H 34 35 #include "config.h" 36 #include <ldns/ldns.h> 37 38 typedef struct part_struct part_type; 39 typedef struct ixfr_struct ixfr_type; 40 41 #include "locks.h" 42 #include "zone.h" 43 44 #define IXFR_MAX_PARTS 3 45 46 /** 47 * Part of IXFR Journal. RRs in soamin and soaplus should be owned 48 * by part and must be freed. 49 * 50 */ 51 struct part_struct { 52 ldns_rr* soamin; /* pointer to rr in min */ 53 ldns_rr_list* min; 54 ldns_rr* soaplus; /* pointer to rr in min */ 55 ldns_rr_list* plus; 56 }; 57 58 /** 59 * IXFR Journal. 60 * 61 */ 62 struct ixfr_struct { 63 part_type* part[IXFR_MAX_PARTS]; 64 pthread_mutex_t ixfr_lock; 65 }; 66 67 /** 68 * Create a new ixfr journal. 69 * \param[in] zone zone reference 70 * \return ixfr_type* ixfr 71 * 72 */ 73 ixfr_type* ixfr_create(void); 74 75 /** 76 * Add +RR to ixfr journal. 77 * \param[in] ixfr journal 78 * \param[in] rr +RR 79 * 80 */ 81 void ixfr_add_rr(ixfr_type* ixfr, ldns_rr* rr); 82 83 /** 84 * Add -RR to ixfr journal. 85 * \param[in] ixfr journal 86 * \param[in] rr -RR 87 * 88 */ 89 void ixfr_del_rr(ixfr_type* ixfr, ldns_rr* rr); 90 91 /** 92 * Print the ixfr journal. 93 * \param[in] fd file descriptor 94 * \param[in] ixfr journal 95 * 96 */ 97 int ixfr_print(FILE* fd, ixfr_type* ixfr); 98 99 /** 100 * Purge the ixfr journal. 101 * \param[in] ixfr journal 102 * 103 */ 104 void ixfr_purge(ixfr_type* ixfr, char const *zonename); 105 106 /** 107 * Cleanup the ixfr journal. 108 * \param[in] ixfr journal 109 * 110 */ 111 void ixfr_cleanup(ixfr_type* ixfr); 112 113 #endif /* SIGNER_IXFR_H */ 114