*
* Other functions we might want:
* - enumerate all known zones
- * - convenience function to gather record and the full affilliated stree
- * in one shot
*/
#ifndef GNUNET_NAMESTORE_SERVICE_H
* resources).
*
* @param h handle to the namestore
- * @param drop set to GNUNET_YES to delete all data in namestore (!)
*/
void
-GNUNET_NAMESTORE_disconnect (struct GNUNET_NAMESTORE_Handle *h, int drop);
+GNUNET_NAMESTORE_disconnect (struct GNUNET_NAMESTORE_Handle *h);
/**
* This record was added by the system
* and is pending user confimation
*/
- GNUNET_NAMESTORE_RF_PENDING = 4
+ GNUNET_NAMESTORE_RF_PENDING = 4,
+
+ /**
+ * This expiration time of the record is a relative
+ * time (not an absolute time).
+ */
+ GNUNET_NAMESTORE_RF_RELATIVE_EXPIRATION = 8
};
const void *data;
/**
- * Expiration time for the DNS record.
+ * Expiration time for the DNS record. Can be relative
+ * or absolute, depending on 'flags'.
*/
- struct GNUNET_TIME_Absolute expiration;
+ uint64_t expiration_time;
/**
* Number of bytes in 'data'.
* to validate signatures received from the network.
*
* @param public_key public key of the zone
- * @param expire block expiration
+ * @param freshness time set for block expiration
* @param name name that is being mapped (at most 255 characters long)
* @param rd_count number of entries in 'rd' array
* @param rd array of records with data to store
*
* @param cls closure
* @param zone_key public key of the zone
- * @param expire when does the corresponding block in the DHT expire (until
+ * @param freshness when does the corresponding block in the DHT expire (until
* when should we never do a DHT lookup for the same name again)?;
* GNUNET_TIME_UNIT_ZERO_ABS if there are no records of any type in the namestore,
* or the expiration time of the block in the namestore (even if there are zero
/**
* Starts a new zone iteration (used to periodically PUT all of our
- * records into our DHT). "proc" will be called once
- * immediately, and then again after
- * "GNUNET_NAMESTORE_zone_iterator_next" is invoked.
+ * records into our DHT). "proc" will be called once immediately, and
+ * then again after "GNUNET_NAMESTORE_zone_iterator_next" is invoked.
+ *
+ * By specifying a 'zone' of NULL and setting 'GNUNET_NAMESTORE_RF_AUTHORITY'
+ * in 'must_have_flags', we can iterate over all records for which we are
+ * the authority. In this case, the 'GNUNET_NAMESTORE_RF_RELATIVE_EXPIRATION'
+ * bit in 'must_have_flags' has a special meaning:
+ *
+ * 0) If the bit is clear, all relative expriation times are converted to
+ * absolute expiration times. This is useful for performing DHT PUT
+ * operations (and zone transfers) of our zone.
+ * 1) if it is set, it means that relative expiration times should be
+ * preserved when returned (this is useful for the zone editor user
+ * interface).
+ *
+ * Note that not all queries against this interface are equally performant
+ * as for some combinations no efficient index may exist.
*
* @param h handle to the namestore
* @param zone zone to access, NULL for all zones