summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/asio/include/asio/ip/resolver_base.hpp
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/asio/include/asio/ip/resolver_base.hpp')
-rw-r--r--3rdparty/asio/include/asio/ip/resolver_base.hpp129
1 files changed, 129 insertions, 0 deletions
diff --git a/3rdparty/asio/include/asio/ip/resolver_base.hpp b/3rdparty/asio/include/asio/ip/resolver_base.hpp
new file mode 100644
index 00000000000..06e769c05b8
--- /dev/null
+++ b/3rdparty/asio/include/asio/ip/resolver_base.hpp
@@ -0,0 +1,129 @@
+//
+// ip/resolver_base.hpp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IP_RESOLVER_BASE_HPP
+#define ASIO_IP_RESOLVER_BASE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/socket_types.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ip {
+
+/// The resolver_base class is used as a base for the basic_resolver class
+/// templates to provide a common place to define the flag constants.
+class resolver_base
+{
+public:
+#if defined(GENERATING_DOCUMENTATION)
+ /// A bitmask type (C++ Std [lib.bitmask.types]).
+ typedef unspecified flags;
+
+ /// Determine the canonical name of the host specified in the query.
+ static const flags canonical_name = implementation_defined;
+
+ /// Indicate that returned endpoint is intended for use as a locally bound
+ /// socket endpoint.
+ static const flags passive = implementation_defined;
+
+ /// Host name should be treated as a numeric string defining an IPv4 or IPv6
+ /// address and no name resolution should be attempted.
+ static const flags numeric_host = implementation_defined;
+
+ /// Service name should be treated as a numeric string defining a port number
+ /// and no name resolution should be attempted.
+ static const flags numeric_service = implementation_defined;
+
+ /// If the query protocol family is specified as IPv6, return IPv4-mapped
+ /// IPv6 addresses on finding no IPv6 addresses.
+ static const flags v4_mapped = implementation_defined;
+
+ /// If used with v4_mapped, return all matching IPv6 and IPv4 addresses.
+ static const flags all_matching = implementation_defined;
+
+ /// 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.
+ static const flags address_configured = implementation_defined;
+#else
+ enum flags
+ {
+ canonical_name = ASIO_OS_DEF(AI_CANONNAME),
+ passive = ASIO_OS_DEF(AI_PASSIVE),
+ numeric_host = ASIO_OS_DEF(AI_NUMERICHOST),
+ numeric_service = ASIO_OS_DEF(AI_NUMERICSERV),
+ v4_mapped = ASIO_OS_DEF(AI_V4MAPPED),
+ all_matching = ASIO_OS_DEF(AI_ALL),
+ address_configured = ASIO_OS_DEF(AI_ADDRCONFIG)
+ };
+
+ // Implement bitmask operations as shown in C++ Std [lib.bitmask.types].
+
+ friend flags operator&(flags x, flags y)
+ {
+ return static_cast<flags>(
+ static_cast<unsigned int>(x) & static_cast<unsigned int>(y));
+ }
+
+ friend flags operator|(flags x, flags y)
+ {
+ return static_cast<flags>(
+ static_cast<unsigned int>(x) | static_cast<unsigned int>(y));
+ }
+
+ friend flags operator^(flags x, flags y)
+ {
+ return static_cast<flags>(
+ static_cast<unsigned int>(x) ^ static_cast<unsigned int>(y));
+ }
+
+ friend flags operator~(flags x)
+ {
+ return static_cast<flags>(~static_cast<unsigned int>(x));
+ }
+
+ friend flags& operator&=(flags& x, flags y)
+ {
+ x = x & y;
+ return x;
+ }
+
+ friend flags& operator|=(flags& x, flags y)
+ {
+ x = x | y;
+ return x;
+ }
+
+ friend flags& operator^=(flags& x, flags y)
+ {
+ x = x ^ y;
+ return x;
+ }
+#endif
+
+protected:
+ /// Protected destructor to prevent deletion through this type.
+ ~resolver_base()
+ {
+ }
+};
+
+} // namespace ip
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IP_RESOLVER_BASE_HPP