pub struct DnsLru { /* private fields */ }
Expand description

And LRU eviction cache specifically for storing DNS records

Implementations

Construct a new cache

Arguments
  • capacity - size in number of records, this can be the max size of 2048 (record size) * capacity
  • ttl_cfg - force minimums and maximums for cached records

inserts a record based on the name and type.

Arguments
  • original_query - is used for matching the records that should be returned
  • records - the records will be partitioned by type and name for storage in the cache
  • now - current time for use in associating TTLs
Return

This should always return some records, but will be None if there are no records or the original_query matches none

Based on the query, see if there are any records available

Trait Implementations

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