2 The software in this package is distributed under the GNU General
3 Public License version 2 (with a special exception described below).
5 A copy of GNU General Public License (GPL) is included in this distribution,
6 in the file COPYING.GPL.
8 As a special exception, if other files instantiate templates or use macros
9 or inline functions from this file, or you compile this file and link it
10 with other works to produce a work based on this file, this file
11 does not by itself cause the resulting work to be covered
12 by the GNU General Public License.
14 However the source code for this file must still be made available
15 in accordance with section (3) of the GNU General Public License.
17 This exception does not invalidate any other reasons why a work based
18 on this file might be covered by the GNU General Public License.
20 Christian Herdtweck, Intra2net AG 2015
23 #include "dns/resolverbase.h"
24 #include "dns/dnsmaster.h"
26 #include <boost/bind.hpp>
29 ResolverBase::~ResolverBase()
33 * callbacks should be of type
34 * void resolve_callback(const bool was_success,
35 * const int cname_count)
37 void ResolverBase::async_resolve(const callback_type &callback)
40 CallbackList.push(callback);
42 // let subclass do the resolving
46 ResolverBase::ResolverBase(const IoServiceItem &io_serv,
47 const std::string &hostname,
48 const DnsCacheItem &cache )
49 : IoService( io_serv )
50 , Hostname( hostname )
55 std::string ResolverBase::get_hostname() const
58 std::string ResolverBase::get_skip_cname() const
60 DnsMasterItem master = DnsMaster::get_instance();
61 std::string first_out_of_date = Cache->get_first_outdated_cname(
63 master->get_resolved_ip_ttl_threshold() );
64 if ( first_out_of_date == Hostname )
67 return first_out_of_date;
70 void ResolverBase::update_cache( const std::string &hostname,
71 const HostAddressVec &new_ips ) const
72 { Cache->update( hostname, new_ips ); }
74 void ResolverBase::update_cache( const std::string &hostname,
75 const Cname &cname ) const
76 { Cache->update( hostname, cname ); }
78 void ResolverBase::update_cache( const HostAddressVec &new_ips ) const
79 { Cache->update( Hostname, new_ips ); }
81 void ResolverBase::update_cache( const Cname &cname ) const
82 { Cache->update( Hostname, cname ); }
85 HostAddressVec ResolverBase::get_cached_ips_recursively(const std::string host,
86 bool check_up_to_date) const
89 return Cache->get_ips_recursive(Hostname, check_up_to_date);
91 return Cache->get_ips_recursive(host, check_up_to_date);
94 void ResolverBase::schedule_callbacks(const bool was_success,
95 const int cname_count)
97 while ( !CallbackList.empty() )
99 callback_type callback = CallbackList.front();
101 IoService->post( boost::bind( callback,
102 was_success, cname_count ) );
106 // (created using vim -- the world's best text editor)