1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
// 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 OPTION_IA_H
#define OPTION_IA_H
#include <dhcp/option.h>
#include <boost/shared_ptr.hpp>
#include <stdint.h>
namespace isc {
namespace dhcp {
class Option6IA;
/// A pointer to the @c Option6IA object.
typedef boost::shared_ptr<Option6IA> Option6IAPtr;
class Option6IA: public Option {
public:
/// Length of IA_NA and IA_PD content
const static size_t OPTION6_IA_LEN = 12;
/// @brief Ctor, used for constructed options, usually during transmission.
///
/// @param type option type (usually 4 for IA_NA, 25 for IA_PD)
/// @param iaid identity association identifier (id of IA)
Option6IA(uint16_t type, uint32_t iaid);
/// @brief Ctor, used for received options.
///
/// @param type option type (usually 4 for IA_NA, 25 for IA_PD)
/// @param begin iterator to first byte of option data
/// @param end iterator to end of option data (first byte after option end)
Option6IA(uint16_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;
/// Writes option in wire-format to buf, returns pointer to first unused
/// byte after stored option.
///
/// @param buf buffer (option will be stored here)
/// @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
///
/// Parses received buffer and returns offset to the first unused byte after
/// parsed option.
///
/// @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);
/// Provides human readable text representation
///
/// @param indent number of leading space characters
///
/// @return string with text representation
virtual std::string toText(int indent = 0) const;
/// Sets T1 timer.
///
/// @param t1 t1 value to be set
void setT1(uint32_t t1) { t1_ = t1; }
/// Sets T2 timer.
///
/// @param t2 t2 value to be set
void setT2(uint32_t t2) { t2_ = t2; }
/// Sets Identity Association Identifier.
///
/// @param iaid IAID value to be set
void setIAID(uint32_t iaid) { iaid_ = iaid; }
/// Returns IA identifier.
///
/// @return IAID value.
///
uint32_t getIAID() const { return iaid_; }
/// Returns T1 timer.
///
/// @return T1 value.
uint32_t getT1() const { return t1_; }
/// Returns T2 timer.
///
/// @return T2 value.
uint32_t getT2() const { return t2_; }
/// @brief returns complete length of option
///
/// Returns length of this option, including option header and suboptions
///
/// @return length of this option
virtual uint16_t len() const;
protected:
/// keeps IA identifier
uint32_t iaid_;
/// keeps T1 timer value
uint32_t t1_;
/// keeps T2 timer value
uint32_t t2_;
};
} // isc::dhcp namespace
} // isc namespace
#endif // OPTION_IA_H
|
