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+// Copyright (C) 2011-2022 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef OPTION6_IAADDR_H
+#define OPTION6_IAADDR_H
+
+#include <asiolink/io_address.h>
+#include <dhcp/option.h>
+#include <boost/shared_ptr.hpp>
+
+namespace isc {
+namespace dhcp {
+
+class Option6IAAddr;
+
+/// A pointer to the @c isc::dhcp::Option6IAAddr object.
+typedef boost::shared_ptr<Option6IAAddr> Option6IAAddrPtr;
+
+class Option6IAAddr: public Option {
+
+public:
+ /// length of the fixed part of the IAADDR option
+ static const size_t OPTION6_IAADDR_LEN = 24;
+
+ /// @brief Constructor, used for options constructed (during transmission).
+ ///
+ /// @throw BadValue if specified addr is not IPv6
+ ///
+ /// @param type option type
+ /// @param addr reference to an address
+ /// @param preferred address preferred lifetime (in seconds)
+ /// @param valid address valid lifetime (in seconds)
+ Option6IAAddr(uint16_t type, const isc::asiolink::IOAddress& addr,
+ uint32_t preferred, uint32_t valid);
+
+ /// @brief Constructor, used for received options.
+ ///
+ /// @throw OutOfRange if specified option is truncated
+ ///
+ /// @param type option type
+ /// @param begin iterator to first byte of option data
+ /// @param end iterator to end of option data (first byte after option end)
+ Option6IAAddr(uint32_t type, OptionBuffer::const_iterator begin,
+ OptionBuffer::const_iterator end);
+
+ /// @brief Copies this option and returns a pointer to the copy.
+ virtual OptionPtr clone() const;
+
+ /// @brief Writes option in wire-format.
+ ///
+ /// Writes option in wire-format to buf, returns pointer to first unused
+ /// byte after stored option.
+ ///
+ /// @param buf pointer to a buffer
+ /// @param check if set to false, allows options larger than 255 for v4
+ void pack(isc::util::OutputBuffer& buf, bool check = true) const;
+
+ /// @brief Parses received buffer.
+ ///
+ /// @param begin iterator to first byte of option data
+ /// @param end iterator to end of option data (first byte after option end)
+ virtual void unpack(OptionBufferConstIter begin,
+ OptionBufferConstIter end);
+
+ /// Returns string representation of the option.
+ ///
+ /// @param indent number of spaces before printing text
+ ///
+ /// @return string with text representation.
+ virtual std::string
+ toText(int indent = 0) const;
+
+
+ /// sets address in this option.
+ ///
+ /// @param addr address to be sent in this option
+ void setAddress(const isc::asiolink::IOAddress& addr) { addr_ = addr; }
+
+ /// Sets preferred lifetime (in seconds)
+ ///
+ /// @param pref address preferred lifetime (in seconds)
+ ///
+ void setPreferred(unsigned int pref) { preferred_=pref; }
+
+ /// Sets valid lifetime (in seconds).
+ ///
+ /// @param valid address valid lifetime (in seconds)
+ ///
+ void setValid(unsigned int valid) { valid_=valid; }
+
+ /// Returns address contained within this option.
+ ///
+ /// @return address
+ isc::asiolink::IOAddress
+ getAddress() const { return addr_; }
+
+ /// Returns preferred lifetime of an address.
+ ///
+ /// @return preferred lifetime (in seconds)
+ unsigned int
+ getPreferred() const { return preferred_; }
+
+ /// Returns valid lifetime of an address.
+ ///
+ /// @return valid lifetime (in seconds)
+ unsigned int
+ getValid() const { return valid_; }
+
+ /// returns data length (data length + DHCPv4/DHCPv6 option header)
+ virtual uint16_t len() const;
+
+protected:
+ /// contains an IPv6 address
+ isc::asiolink::IOAddress addr_;
+
+ /// contains preferred-lifetime timer (in seconds)
+ unsigned int preferred_;
+
+ /// contains valid-lifetime timer (in seconds)
+ unsigned int valid_;
+};
+
+} // isc::dhcp namespace
+} // isc namespace
+
+#endif // OPTION_IA_H