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22 * @file peerstore/peerstore_common.h
23 * @brief Helper peerstore functions
24 * @author Omar Tarabai
27 #include "peerstore.h"
30 * Creates a hash of the given key combination
34 PEERSTORE_hash_key(const char *sub_system,
35 const struct GNUNET_PeerIdentity *peer,
37 struct GNUNET_HashCode *ret);
40 * Creates a record message ready to be sent
42 * @param sub_system sub system string
43 * @param peer Peer identity (can be NULL)
44 * @param key record key string (can be NULL)
45 * @param value record value BLOB (can be NULL)
46 * @param value_size record value size in bytes (set to 0 if value is NULL)
47 * @param expiry absolute time after which the record expires
48 * @param msg_type message type to be set in header
49 * @return pointer to record message struct
51 struct StoreRecordMessage *
52 PEERSTORE_create_record_message(const char *sub_system,
53 const struct GNUNET_PeerIdentity *peer,
57 struct GNUNET_TIME_Absolute *expiry,
61 * Creates a MQ envelope for a single record
63 * @param sub_system sub system string
64 * @param peer Peer identity (can be NULL)
65 * @param key record key string (can be NULL)
66 * @param value record value BLOB (can be NULL)
67 * @param value_size record value size in bytes (set to 0 if value is NULL)
68 * @param expiry time after which the record expires
69 * @param msg_type message type to be set in header
70 * @return pointer to record message struct
72 struct GNUNET_MQ_Envelope *
73 PEERSTORE_create_record_mq_envelope(const char *sub_system,
74 const struct GNUNET_PeerIdentity *peer,
78 struct GNUNET_TIME_Absolute *expiry,
82 * Parses a message carrying a record
84 * @param message the actual message
85 * @return Pointer to record or NULL if error
87 struct GNUNET_PEERSTORE_Record *
88 PEERSTORE_parse_record_message(const struct GNUNET_MessageHeader *message);
91 * Free any memory allocated for this record
95 void PEERSTORE_destroy_record(struct GNUNET_PEERSTORE_Record *record);