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
|
/*
* Dibbler - a portable DHCPv6
*
* authors: Tomasz Mrugalski <thomson@klub.com.pl>
* Marek Senderski <msend@o2.pl>
*
* released under GNU GPL v2 licence
*
* $Id: OptTA.cpp,v 1.2 2006-03-05 21:37:46 thomson Exp $
*/
#include "Portable.h"
#include "OptTA.h"
#include "OptIAAddress.h"
#include "OptStatusCode.h"
#include "Logger.h"
TOptTA::TOptTA(uint32_t iaid, TMsg* parent)
:TOpt(OPTION_IA_TA, parent), IAID_(iaid), Valid_(true) {
}
unsigned long TOptTA::getIAID() {
return IAID_;
}
TOptTA::TOptTA(char * &buf, int &bufsize, TMsg* parent)
:TOpt(OPTION_IA_TA, parent), Valid_(false) {
if (bufsize < OPTION_IA_TA_LEN) {
buf += bufsize;
bufsize = 0;
return;
}
IAID_ = readUint32(buf);
buf += sizeof(uint32_t);
bufsize -= sizeof(uint32_t);
Valid_ = true;
/// @todo: Parse suboptions
}
int TOptTA::getStatusCode() {
SPtr<TOpt> ptrOpt;
SubOptions.first();
while ( ptrOpt = SubOptions.get() ) {
if ( ptrOpt->getOptType() == OPTION_STATUS_CODE) {
SPtr <TOptStatusCode> ptrStatus;
ptrStatus = (Ptr*) ptrOpt;
return ptrStatus->getCode();
}
}
return -1;
}
size_t TOptTA::getSize() {
return 4 + OPTION_IA_TA_LEN + getSubOptSize();
}
char * TOptTA::storeSelf( char* buf) {
buf = writeUint16(buf, OptType);
buf = writeUint16(buf, getSize()-4);
buf = writeUint32(buf, IAID_);
buf = storeSubOpt(buf);
return buf;
}
unsigned long TOptTA::getMaxValid() {
unsigned long maxValid=0;
SPtr<TOpt> ptrOpt;
SubOptions.first();
while (ptrOpt=SubOptions.get())
{
if (ptrOpt->getOptType()==OPTION_IAADDR) {
SPtr<TOptIAAddress> ptrIAAddr=(Ptr*)ptrOpt;
if (maxValid<ptrIAAddr->getValid())
maxValid=ptrIAAddr->getValid();
}
}
return maxValid;
}
bool TOptTA::isValid() const {
return this->Valid;
}
/*
* How many addresses is stored in this IA
*/
int TOptTA::countAddrs() {
int cnt = 0;
SPtr<TOpt> opt;
this->firstOption();
while (opt = this->getOption() ) {
if (opt->getOptType() == OPTION_IAADDR)
cnt++;
}
return cnt;
}
|
