Kea  2.3.3-git
option6_iaprefix.h
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1 // Copyright (C) 2013-2022 Internet Systems Consortium, Inc. ("ISC")
2 //
3 // This Source Code Form is subject to the terms of the Mozilla Public
4 // License, v. 2.0. If a copy of the MPL was not distributed with this
5 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
6 
7 #ifndef OPTION6_IAPREFIX_H
8 #define OPTION6_IAPREFIX_H
9 
10 #include <asiolink/io_address.h>
11 #include <dhcp/option6_iaaddr.h>
12 #include <dhcp/option.h>
13 
14 namespace isc {
15 namespace dhcp {
16 
17 
52 
53 public:
55  static const size_t OPTION6_IAPREFIX_LEN = 25;
56 
64  Option6IAPrefix(uint16_t type, const isc::asiolink::IOAddress& addr,
65  uint8_t prefix_length, uint32_t preferred, uint32_t valid);
66 
74  Option6IAPrefix(uint32_t type, OptionBuffer::const_iterator begin,
75  OptionBuffer::const_iterator end);
76 
78  virtual OptionPtr clone() const;
79 
89  void pack(isc::util::OutputBuffer& buf, bool check = true) const;
90 
102  virtual void unpack(OptionBufferConstIter begin,
104 
110  virtual std::string toText(int indent = 0) const;
111 
117  uint8_t length) { addr_ = prefix; prefix_len_ = length; }
118 
119  uint8_t getLength() const { return prefix_len_; }
120 
122  virtual uint16_t len() const;
123 
124 private:
125 
134  void mask(OptionBuffer::const_iterator begin,
135  OptionBuffer::const_iterator end,
136  const uint8_t len,
137  OptionBuffer& output_address) const;
138 
139  uint8_t prefix_len_;
140 };
141 
143 typedef boost::shared_ptr<Option6IAPrefix> Option6IAPrefixPtr;
144 
145 } // isc::dhcp namespace
146 } // isc namespace
147 
148 #endif // OPTION_IAPREFIX_H
virtual uint16_t len() const
returns data length (data length + DHCPv4/DHCPv6 option header)
isc::asiolink::IOAddress addr_
contains an IPv6 address
boost::shared_ptr< Option > OptionPtr
Definition: option.h:36
virtual OptionPtr clone() const
Copies this option and returns a pointer to the copy.
void setPrefix(const isc::asiolink::IOAddress &prefix, uint8_t length)
sets address in this option.
std::vector< uint8_t > OptionBuffer
buffer types used in DHCP code.
Definition: option.h:24
boost::shared_ptr< Option6IAPrefix > Option6IAPrefixPtr
Pointer to the Option6IAPrefix object.
virtual void unpack(OptionBufferConstIter begin, OptionBufferConstIter end)
Parses received buffer.
void check() const
A protected method used for option correctness.
Definition: option.cc:90
The OutputBuffer class is a buffer abstraction for manipulating mutable data.
Definition: buffer.h:294
OptionBuffer::const_iterator OptionBufferConstIter
const_iterator for walking over OptionBuffer
Definition: option.h:30
virtual std::string toText(int indent=0) const
Returns string representation of the option.
Defines the logger used by the top-level component of kea-lfc.
virtual bool valid() const
returns if option is valid (e.g.
Definition: option.cc:190
static const size_t OPTION6_IAPREFIX_LEN
length of the fixed part of the IAPREFIX option
void pack(isc::util::OutputBuffer &buf, bool check=true) const
Writes option in wire-format.
Option6IAPrefix(uint16_t type, const isc::asiolink::IOAddress &addr, uint8_t prefix_length, uint32_t preferred, uint32_t valid)
Constructor, used for options constructed (during transmission).
Class that represents IAPREFIX option in DHCPv6.