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ip::resolver_base

The ip::resolver_base class is used as a base for the ip::basic_resolver class templates to provide a common place to define the flag constants.

class resolver_base
Types

Name

Description

flags

A bitmask type (C++ Std [lib.bitmask.types]).

Protected Member Functions

Name

Description

~resolver_base

Protected destructor to prevent deletion through this type.

Data Members

Name

Description

address_configured

Only return IPv4 addresses if a non-loopback IPv4 address is configured for the system. Only return IPv6 addresses if a non-loopback IPv6 address is configured for the system.

all_matching

If used with v4_mapped, return all matching IPv6 and IPv4 addresses.

canonical_name

Determine the canonical name of the host specified in the query.

numeric_host

Host name should be treated as a numeric string defining an IPv4 or IPv6 address and no name resolution should be attempted.

numeric_service

Service name should be treated as a numeric string defining a port number and no name resolution should be attempted.

passive

Indicate that returned endpoint is intended for use as a locally bound socket endpoint.

v4_mapped

If the query protocol family is specified as IPv6, return IPv4-mapped IPv6 addresses on finding no IPv6 addresses.

Requirements

Header: boost/asio/ip/resolver_base.hpp

Convenience header: boost/asio.hpp


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