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-rw-r--r-- | src/lib/dhcp/option6_iaaddr.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/lib/dhcp/option6_iaaddr.h b/src/lib/dhcp/option6_iaaddr.h new file mode 100644 index 0000000..8a091cf --- /dev/null +++ b/src/lib/dhcp/option6_iaaddr.h @@ -0,0 +1,129 @@ +// 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 |