The EventDnsBase class

(PECL event >= 1.2.6-beta)

Introducción

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

Sinopsis de la Clase

final class EventDnsBase {
/* Constantes */
const int OPTION_SEARCH = 1;
const int OPTION_MISC = 4;
const int OPTIONS_ALL = 15;
const int DISABLE_WHEN_INACTIVE = 32768;
/* Métodos */
public __construct( EventBase $base , int|bool $initialize )
public addNameserverIp( string $ip ): bool
public addSearch( string $domain ): void
public clearSearch(): void
public loadHosts( string $hosts ): bool
public parseResolvConf( int $flags , string $filename ): bool
public setOption( string $option , string $value ): bool
public setSearchNdots( int $ndots ): bool
}

Constantes predefinidas

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.

Tabla de contenidos

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