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The EventDnsBase class

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Represents Libevent's DNS base structure. Used to resolve DNS asynchronously, parse configuration files like resolv.conf etc.

Represents Libevent's DNS base structure. Used to resolve DNS asynchronously, parse configuration files like resolv.conf etc.

class EventDnsBase { }

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.