NAME
Mail::Milter::Authentication::DNSCache - DNS Cache methods for Authentication Milter
DESCRIPTION
Methods in the Net::DNS::Resolver namespace to implement a basic cache of DNS lookups.
SYNOPSIS
A basic cache of successful lookups made by the resolver.
CONSTRUCTOR
- new( %ARGS )
-
New instance of object, please see Net::DNS::Resolver for details
- cache_timeout
-
Number of seconds a cached result will be valid for.
Default 120
- cache_error_limit
-
Unsuccessful results are not immediately cached, however if we have greater than cache_error_limit lookups for a given record within the cache_timeout time we will cache an unsuccessful result and return that for subsequent lookups within the cache_timeout time.
Default 3
METHODS
- send()
-
Override send method with a cache
- query()
-
Override query method with a cache
- search()
-
Override search method with a cache
- cache_cleanup()
-
Remove old items from the cache
- cache_lookup($type,@args)
-
Perform a lookup (send, query, or search) and cache the results
- child_init_hook()
-
Hook which runs after forking, sets up per process items.
- process_request()
-
Hook which runs for each request, sets up per request items and processes the request.
DEPENDENCIES
Net::DNS::ResolverAUTHORS
Marc Bradshaw <marc@marcbradshaw.net>
COPYRIGHT
Copyright 2015
This library is free software; you may redistribute it and/or modify it under the same terms as Perl itself.