...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
The resolver_query_base class is used as a base for the basic_resolver_query class templates to provide a common place to define the flag constants.
class resolver_query_base
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Protected destructor to prevent deletion through this type. |
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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. |
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If used with v4_mapped, return all matching IPv6 and IPv4 addresses. |
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Determine the canonical name of the host specified in the query. |
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Host name should be treated as a numeric string defining an IPv4 or IPv6 address and no name resolution should be attempted. |
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Service name should be treated as a numeric string defining a port number and no name resolution should be attempted. |
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Indicate that returned endpoint is intended for use as a locally bound socket endpoint. |
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If the query protocol family is specified as IPv6, return IPv4-mapped IPv6 addresses on finding no IPv6 addresses. |