(PECL event >= 1.2.6-beta)
Represents Libevent's DNS base structure. Used to resolve DNS asyncronously, parse configuration files like resolv.conf etc.
EventDnsBase::OPTION_SEARCH
Tells to read the domain and search fields from the
resolv.conf
file and the
ndots
option, and use them to decide which domains(if any) to search for
hostnames that aren’t fully-qualified.
EventDnsBase::OPTION_NAMESERVERS
Tells to learn the nameservers from the
resolv.conf
file.
EventDnsBase::OPTION_MISC
EventDnsBase::OPTION_HOSTSFILE
Tells to read a list of hosts from
/etc/hosts
as part of loading the
resolv.conf
file.
EventDnsBase::OPTIONS_ALL
Tells to learn as much as it can from the
resolv.conf
file.
EventDnsBase::DISABLE_WHEN_INACTIVE
Do not prevent the libevent event loop from exiting when we have no active DNS requests.
EventDnsBase::INITIALIZE_NAMESERVERS
Process the resolv.conf
.
EventDnsBase::NAMESERVERS_NO_DEFAULT
Do not add default nameserver if there are no nameservers in the resolv.conf
.