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scrubbing routines.

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git-svn-id: file:///svn/unbound/trunk@354 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards
2007-06-01 09:42:31 +00:00
parent a7d3013334
commit 28f9864b53
7 changed files with 435 additions and 53 deletions
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util/data/msgparse.h
+35
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@@ -255,4 +255,39 @@ int parse_extract_edns(struct msg_parse* msg, struct edns_data* edns);
*/
int parse_edns_from_pkt(ldns_buffer* pkt, struct edns_data* edns);
/**
* Calculate hash value for rrset in packet.
* @param pkt: the packet.
* @param dname: pointer to uncompressed dname, or compressed dname in packet.
* @param type: rrset type in host order.
* @param dclass: rrset class in network order.
* @param rrset_flags: rrset flags (same as packed_rrset flags).
* @return hash value
*/
hashvalue_t pkt_hash_rrset(ldns_buffer* pkt, uint8_t* dname, uint16_t type,
uint16_t dclass, uint32_t rrset_flags);
/**
* Lookup in msg hashtable to find a rrset.
* @param msg: with the hashtable.
* @param pkt: packet for compressed names.
* @param h: hash value
* @param rrset_flags: flags of rrset sought for.
* @param dname: name of rrset sought for.
* @param dnamelen: len of dname.
* @param type: rrset type, host order.
* @param dclass: rrset class, network order.
* @return NULL or the rrset_parse if found.
*/
struct rrset_parse* msgparse_hashtable_lookup(struct msg_parse* msg,
ldns_buffer* pkt, hashvalue_t h, uint32_t rrset_flags,
uint8_t* dname, size_t dnamelen, uint16_t type, uint16_t dclass);
/**
* Remove rrset from hash table.
* @param msg: with hashtable.
* @param rrset: with hash value and id info.
*/
void msgparse_bucket_remove(struct msg_parse* msg, struct rrset_parse* rrset);
#endif /* UTIL_DATA_MSGPARSE_H */