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PINGAN

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Author image Felipe Gasper
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NAME

DNS::Unbound::AsyncQuery

SYNOPSIS

    my $dns = DNS::Unbound->new();

    my $query = $dns->resolve_async( 'example.com', 'A' );

    # Ordinary ES6 Promise semantics:
    $query->then( .. )->then( .. );

    $query->cancel();

DESCRIPTION

This object represents the result of an asynchronous DNS::Unbound query. It implements a standard promise interface and also provides a cancellation mechanism.

The promise resolves with a DNS::Unbound::Result instance. It rejects with a DNS::Unbound::X::ResolveError instance that describes the failure.

METHODS

In addition to the then(), catch(), and finally() methods—see Promise::ES6 if you’re unsure of how to use those—this class provides:

OBJ->cancel()

Cancels an in-progress DNS query. Returns nothing.

NOTE: This will leave the promise unresolved.