The EventDnsBase class
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Php/docs/latest/class.eventdnsbase
The EventDnsBase class
Introduction
(PECL event >= 1.2.6-beta)
Represents Libevent's DNS base structure. Used to resolve DNS asyncronously, parse configuration files like resolv.conf etc.
Class synopsis
final class EventDnsBase {
const int OPTION_SEARCH
= 1;
const int OPTION_NAMESERVERS
= 2;
const int OPTION_MISC
= 4;
const int OPTION_HOSTSFILE
= 8;
const int OPTIONS_ALL
= 15;
/* Methods */
public addNameserverIp( string $ip ): bool
public addSearch( string $domain ): void
public clearSearch(): void
public __construct( EventBase $base , bool $initialize )
public countNameservers(): int
public loadHosts( string $hosts ): bool
public parseResolvConf( int $flags , string $filename ): bool
public setOption( string $option , string $value ): bool
public setSearchNdots( int $ndots ): bool
}
Predefined Constants
EventDnsBase::OPTION_SEARCH
- Tells to read the domain and search fields from the
resolv.conf
file and thendots
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 theresolv.conf
file. EventDnsBase::OPTIONS_ALL
- Tells to learn as much as it can from the
resolv.conf
file.
Table of Contents
- EventDnsBase::addNameserverIp — Adds a nameserver to the DNS base
- EventDnsBase::addSearch — Adds a domain to the list of search domains
- EventDnsBase::clearSearch — Removes all current search suffixes
- EventDnsBase::__construct — Constructs EventDnsBase object
- EventDnsBase::countNameservers — Gets the number of configured nameservers
- EventDnsBase::loadHosts — Loads a hosts file (in the same format as /etc/hosts) from hosts file
- EventDnsBase::parseResolvConf — Scans the resolv.conf-formatted file
- EventDnsBase::setOption — Set the value of a configuration option
- EventDnsBase::setSearchNdots — Set the 'ndots' parameter for searches
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/class.eventdnsbase.php
/* Constants */