/** \file rr.h Functions and definitions for manipulating DNS resource record (RR) data. */
+#include <inttypes.h>
+#include <sys/types.h>
+
#include <avahi-common/strlst.h>
#include <avahi-common/address.h>
#include <avahi-common/cdecl.h>
-#include <inttypes.h>
-#include <sys/types.h>
-
AVAHI_C_DECL_BEGIN
/** DNS record types, see RFC 1035 */
name. Use avahi_key_ref()/avahi_key_unref() for manipulating the
reference counter. The structure is intended to be treated as "immutable", no
changes should be imposed after creation */
-typedef struct {
+typedef struct AvahiKey {
int ref; /**< Reference counter */
char *name; /**< Record name */
uint16_t clazz; /**< Record class, one of the AVAHI_DNS_CLASS_xxx constants */
/** Encapsulates a DNS resource record. The structure is intended to
* be treated as "immutable", no changes should be imposed after
* creation. */
-typedef struct {
+typedef struct AvahiRecord {
int ref; /**< Reference counter */
- AvahiKey *key; /**< Reference to the query key of thsi record */
+ AvahiKey *key; /**< Reference to the query key of this record */
uint32_t ttl; /**< DNS TTL of this record */
struct {
char *name;
- } ptr; /**< Data for PTR an CNAME records */
+ } ptr, ns, cname; /**< Data for PTR, NS and CNAME records */
struct {
char *cpu;
* other class/type. */
int avahi_key_equal(const AvahiKey *a, const AvahiKey *b);
-/** Match a key to a key pattern. The pattern has a type of
-AVAHI_DNS_CLASS_ANY, the classes are taken to be equal. Same for the
-type. If the pattern has neither class nor type with ANY constants,
-this function is identical to avahi_key_equal(). In contrast to
-avahi_equal() this function is not commutative. */
-int avahi_key_pattern_match(const AvahiKey *pattern, const AvahiKey *k);
-
-/** Check whether a key is a pattern key, i.e. the class/type has a
- * value of AVAHI_DNS_CLASS_ANY/AVAHI_DNS_TYPE_ANY */
-int avahi_key_is_pattern(const AvahiKey *k);
-
/** Return a numeric hash value for a key for usage in hash tables. */
unsigned avahi_key_hash(const AvahiKey *k);
* returned pointer points to a read only internal string. */
const char *avahi_dns_type_to_string(uint16_t type);
-/** Create a textual representation of the specified key. g_free() the
+/** Create a textual representation of the specified key. avahi_free() the
* result! */
char *avahi_key_to_string(const AvahiKey *k);
/** Create a textual representation of the specified record, similar
- * in style to BIND zone file data. g_free() the result! */
+ * in style to BIND zone file data. avahi_free() the result! */
char *avahi_record_to_string(const AvahiRecord *r);
/** Check whether two records are equal (regardless of the TTL */
int avahi_record_equal_no_ttl(const AvahiRecord *a, const AvahiRecord *b);
-/** Make a deep copy of an AvahiRecord object */
-AvahiRecord *avahi_record_copy(AvahiRecord *r);
-
-/** Returns a maximum estimate for the space that is needed to store
- * this key in a DNS packet. */
-size_t avahi_key_get_estimate_size(AvahiKey *k);
-
-/** Returns a maximum estimate for the space that is needed to store
- * the record in a DNS packet. */
-size_t avahi_record_get_estimate_size(AvahiRecord *r);
-
-/** Do a mDNS spec conforming lexicographical comparison of the two
- * records. Return a negative value if a < b, a positive if a > b,
- * zero if equal. */
-int avahi_record_lexicographical_compare(AvahiRecord *a, AvahiRecord *b);
-
-/** Return TRUE if the specified record is an mDNS goodbye record. i.e. TTL is zero. */
-int avahi_record_is_goodbye(AvahiRecord *r);
-
/** Check whether the specified key is valid */
int avahi_key_is_valid(AvahiKey *k);
/** Check whether the specified record is valid */
int avahi_record_is_valid(AvahiRecord *r);
+/** Parse a binary rdata object and fill it into *record. This function is actually implemented in dns.c */
+int avahi_rdata_parse(AvahiRecord *record, const void* rdata, size_t size);
+
+/** Serialize an AvahiRecord object into binary rdata. This function is actually implemented in dns.c */
+size_t avahi_rdata_serialize(AvahiRecord *record, void *rdata, size_t max_size);
+
AVAHI_C_DECL_END
#endif