Imported existing code

libraries/include/boost/asio/ip/basic_resolver_query.hpp

@@ -0,0 +1,151 @@
+//
+// basic_resolver_query.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2008 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 BOOST_ASIO_IP_BASIC_RESOLVER_QUERY_HPP
+#define BOOST_ASIO_IP_BASIC_RESOLVER_QUERY_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/push_options.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+#include <boost/config.hpp>
+#include <string>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/detail/socket_ops.hpp>
+#include <boost/asio/ip/resolver_query_base.hpp>
+
+namespace boost {
+namespace asio {
+namespace ip {
+
+/// An query to be passed to a resolver.
+/**
+ * The boost::asio::ip::basic_resolver_query class template describes a query
+ * that can be passed to a resolver.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <typename InternetProtocol>
+class basic_resolver_query
+  : public resolver_query_base
+{
+public:
+  /// The protocol type associated with the endpoint query.
+  typedef InternetProtocol protocol_type;
+
+  /// Construct with specified service name for any protocol.
+  basic_resolver_query(const std::string& service_name,
+      int flags = passive | address_configured)
+    : hints_(),
+      host_name_(),
+      service_name_(service_name)
+  {
+    typename InternetProtocol::endpoint endpoint;
+    hints_.ai_flags = flags;
+    hints_.ai_family = PF_UNSPEC;
+    hints_.ai_socktype = endpoint.protocol().type();
+    hints_.ai_protocol = endpoint.protocol().protocol();
+    hints_.ai_addrlen = 0;
+    hints_.ai_canonname = 0;
+    hints_.ai_addr = 0;
+    hints_.ai_next = 0;
+  }
+
+  /// Construct with specified service name for a given protocol.
+  basic_resolver_query(const protocol_type& protocol,
+      const std::string& service_name,
+      int flags = passive | address_configured)
+    : hints_(),
+      host_name_(),
+      service_name_(service_name)
+  {
+    hints_.ai_flags = flags;
+    hints_.ai_family = protocol.family();
+    hints_.ai_socktype = protocol.type();
+    hints_.ai_protocol = protocol.protocol();
+    hints_.ai_addrlen = 0;
+    hints_.ai_canonname = 0;
+    hints_.ai_addr = 0;
+    hints_.ai_next = 0;
+  }
+
+  /// Construct with specified host name and service name for any protocol.
+  basic_resolver_query(const std::string& host_name,
+      const std::string& service_name, int flags = address_configured)
+    : hints_(),
+      host_name_(host_name),
+      service_name_(service_name)
+  {
+    typename InternetProtocol::endpoint endpoint;
+    hints_.ai_flags = flags;
+    hints_.ai_family = PF_UNSPEC;
+    hints_.ai_socktype = endpoint.protocol().type();
+    hints_.ai_protocol = endpoint.protocol().protocol();
+    hints_.ai_addrlen = 0;
+    hints_.ai_canonname = 0;
+    hints_.ai_addr = 0;
+    hints_.ai_next = 0;
+  }
+
+  /// Construct with specified host name and service name for a given protocol.
+  basic_resolver_query(const protocol_type& protocol,
+      const std::string& host_name, const std::string& service_name,
+      int flags = address_configured)
+    : hints_(),
+      host_name_(host_name),
+      service_name_(service_name)
+  {
+    hints_.ai_flags = flags;
+    hints_.ai_family = protocol.family();
+    hints_.ai_socktype = protocol.type();
+    hints_.ai_protocol = protocol.protocol();
+    hints_.ai_addrlen = 0;
+    hints_.ai_canonname = 0;
+    hints_.ai_addr = 0;
+    hints_.ai_next = 0;
+  }
+
+  /// Get the hints associated with the query.
+  const boost::asio::detail::addrinfo_type& hints() const
+  {
+    return hints_;
+  }
+
+  /// Get the host name associated with the query.
+  std::string host_name() const
+  {
+    return host_name_;
+  }
+
+  /// Get the service name associated with the query.
+  std::string service_name() const
+  {
+    return service_name_;
+  }
+
+private:
+  boost::asio::detail::addrinfo_type hints_;
+  std::string host_name_;
+  std::string service_name_;
+};
+
+} // namespace ip
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_IP_BASIC_RESOLVER_QUERY_HPP