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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/asio/ip/address.hpp
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+//
+// address.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_ADDRESS_HPP
+#define BOOST_ASIO_IP_ADDRESS_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 <iosfwd>
+#include <string>
+#include <boost/throw_exception.hpp>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/error.hpp>
+#include <boost/asio/ip/address_v4.hpp>
+#include <boost/asio/ip/address_v6.hpp>
+#include <boost/asio/detail/throw_error.hpp>
+
+namespace boost {
+namespace asio {
+namespace ip {
+
+/// Implements version-independent IP addresses.
+/**
+ * The boost::asio::ip::address class provides the ability to use either IP
+ * version 4 or version 6 addresses.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+class address
+{
+public:
+ /// Default constructor.
+ address()
+ : type_(ipv4),
+ ipv4_address_(),
+ ipv6_address_()
+ {
+ }
+
+ /// Construct an address from an IPv4 address.
+ address(const boost::asio::ip::address_v4& ipv4_address)
+ : type_(ipv4),
+ ipv4_address_(ipv4_address),
+ ipv6_address_()
+ {
+ }
+
+ /// Construct an address from an IPv6 address.
+ address(const boost::asio::ip::address_v6& ipv6_address)
+ : type_(ipv6),
+ ipv4_address_(),
+ ipv6_address_(ipv6_address)
+ {
+ }
+
+ /// Copy constructor.
+ address(const address& other)
+ : type_(other.type_),
+ ipv4_address_(other.ipv4_address_),
+ ipv6_address_(other.ipv6_address_)
+ {
+ }
+
+ /// Assign from another address.
+ address& operator=(const address& other)
+ {
+ type_ = other.type_;
+ ipv4_address_ = other.ipv4_address_;
+ ipv6_address_ = other.ipv6_address_;
+ return *this;
+ }
+
+ /// Assign from an IPv4 address.
+ address& operator=(const boost::asio::ip::address_v4& ipv4_address)
+ {
+ type_ = ipv4;
+ ipv4_address_ = ipv4_address;
+ ipv6_address_ = boost::asio::ip::address_v6();
+ return *this;
+ }
+
+ /// Assign from an IPv6 address.
+ address& operator=(const boost::asio::ip::address_v6& ipv6_address)
+ {
+ type_ = ipv6;
+ ipv4_address_ = boost::asio::ip::address_v4();
+ ipv6_address_ = ipv6_address;
+ return *this;
+ }
+
+ /// Get whether the address is an IP version 4 address.
+ bool is_v4() const
+ {
+ return type_ == ipv4;
+ }
+
+ /// Get whether the address is an IP version 6 address.
+ bool is_v6() const
+ {
+ return type_ == ipv6;
+ }
+
+ /// Get the address as an IP version 4 address.
+ boost::asio::ip::address_v4 to_v4() const
+ {
+ if (type_ != ipv4)
+ {
+ boost::system::system_error e(
+ boost::asio::error::address_family_not_supported);
+ boost::throw_exception(e);
+ }
+ return ipv4_address_;
+ }
+
+ /// Get the address as an IP version 6 address.
+ boost::asio::ip::address_v6 to_v6() const
+ {
+ if (type_ != ipv6)
+ {
+ boost::system::system_error e(
+ boost::asio::error::address_family_not_supported);
+ boost::throw_exception(e);
+ }
+ return ipv6_address_;
+ }
+
+ /// Get the address as a string in dotted decimal format.
+ std::string to_string() const
+ {
+ if (type_ == ipv6)
+ return ipv6_address_.to_string();
+ return ipv4_address_.to_string();
+ }
+
+ /// Get the address as a string in dotted decimal format.
+ std::string to_string(boost::system::error_code& ec) const
+ {
+ if (type_ == ipv6)
+ return ipv6_address_.to_string(ec);
+ return ipv4_address_.to_string(ec);
+ }
+
+ /// Create an address from an IPv4 address string in dotted decimal form,
+ /// or from an IPv6 address in hexadecimal notation.
+ static address from_string(const char* str)
+ {
+ boost::system::error_code ec;
+ address addr = from_string(str, ec);
+ boost::asio::detail::throw_error(ec);
+ return addr;
+ }
+
+ /// Create an address from an IPv4 address string in dotted decimal form,
+ /// or from an IPv6 address in hexadecimal notation.
+ static address from_string(const char* str, boost::system::error_code& ec)
+ {
+ boost::asio::ip::address_v6 ipv6_address =
+ boost::asio::ip::address_v6::from_string(str, ec);
+ if (!ec)
+ {
+ address tmp;
+ tmp.type_ = ipv6;
+ tmp.ipv6_address_ = ipv6_address;
+ return tmp;
+ }
+
+ boost::asio::ip::address_v4 ipv4_address =
+ boost::asio::ip::address_v4::from_string(str, ec);
+ if (!ec)
+ {
+ address tmp;
+ tmp.type_ = ipv4;
+ tmp.ipv4_address_ = ipv4_address;
+ return tmp;
+ }
+
+ return address();
+ }
+
+ /// Create an address from an IPv4 address string in dotted decimal form,
+ /// or from an IPv6 address in hexadecimal notation.
+ static address from_string(const std::string& str)
+ {
+ return from_string(str.c_str());
+ }
+
+ /// Create an address from an IPv4 address string in dotted decimal form,
+ /// or from an IPv6 address in hexadecimal notation.
+ static address from_string(const std::string& str,
+ boost::system::error_code& ec)
+ {
+ return from_string(str.c_str(), ec);
+ }
+
+ /// Compare two addresses for equality.
+ friend bool operator==(const address& a1, const address& a2)
+ {
+ if (a1.type_ != a2.type_)
+ return false;
+ if (a1.type_ == ipv6)
+ return a1.ipv6_address_ == a2.ipv6_address_;
+ return a1.ipv4_address_ == a2.ipv4_address_;
+ }
+
+ /// Compare two addresses for inequality.
+ friend bool operator!=(const address& a1, const address& a2)
+ {
+ if (a1.type_ != a2.type_)
+ return true;
+ if (a1.type_ == ipv6)
+ return a1.ipv6_address_ != a2.ipv6_address_;
+ return a1.ipv4_address_ != a2.ipv4_address_;
+ }
+
+ /// Compare addresses for ordering.
+ friend bool operator<(const address& a1, const address& a2)
+ {
+ if (a1.type_ < a2.type_)
+ return true;
+ if (a1.type_ > a2.type_)
+ return false;
+ if (a1.type_ == ipv6)
+ return a1.ipv6_address_ < a2.ipv6_address_;
+ return a1.ipv4_address_ < a2.ipv4_address_;
+ }
+
+private:
+ // The type of the address.
+ enum { ipv4, ipv6 } type_;
+
+ // The underlying IPv4 address.
+ boost::asio::ip::address_v4 ipv4_address_;
+
+ // The underlying IPv6 address.
+ boost::asio::ip::address_v6 ipv6_address_;
+};
+
+/// Output an address as a string.
+/**
+ * Used to output a human-readable string for a specified address.
+ *
+ * @param os The output stream to which the string will be written.
+ *
+ * @param addr The address to be written.
+ *
+ * @return The output stream.
+ *
+ * @relates boost::asio::ip::address
+ */
+template <typename Elem, typename Traits>
+std::basic_ostream<Elem, Traits>& operator<<(
+ std::basic_ostream<Elem, Traits>& os, const address& addr)
+{
+ os << addr.to_string();
+ return os;
+}
+
+} // namespace ip
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_IP_ADDRESS_HPP