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
122
123
|
// Copyright (C) 2012-2020 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/.
#include <config.h>
#include <dns/rrset_collection.h>
#include <dns/master_loader_callbacks.h>
#include <dns/master_loader.h>
#include <dns/rrcollator.h>
#include <exceptions/exceptions.h>
#include <functional>
using namespace isc;
namespace ph = std::placeholders;
namespace isc {
namespace dns {
void
RRsetCollection::loaderCallback(const std::string&, size_t, const std::string&)
{
// We just ignore callbacks for errors and warnings.
}
void
RRsetCollection::addRRset(RRsetPtr rrset) {
const CollectionKey key(rrset->getClass(), rrset->getType(),
rrset->getName());
CollectionMap::const_iterator it = rrsets_.find(key);
if (it != rrsets_.end()) {
isc_throw(InvalidParameter,
"RRset for " << rrset->getName() << "/" << rrset->getClass()
<< " with type " << rrset->getType() << " already exists");
}
rrsets_.insert(std::pair<CollectionKey, RRsetPtr>(key, rrset));
}
template<typename T>
void
RRsetCollection::constructHelper(T source, const isc::dns::Name& origin,
const isc::dns::RRClass& rrclass)
{
RRCollator collator(std::bind(&RRsetCollection::addRRset, this, ph::_1));
MasterLoaderCallbacks callbacks
(std::bind(&RRsetCollection::loaderCallback, this, ph::_1, ph::_2, ph::_3),
std::bind(&RRsetCollection::loaderCallback, this, ph::_1, ph::_2, ph::_3));
MasterLoader loader(source, origin, rrclass, callbacks,
collator.getCallback(),
MasterLoader::DEFAULT);
loader.load();
collator.flush();
}
RRsetCollection::RRsetCollection(const char* filename, const Name& origin,
const RRClass& rrclass)
{
constructHelper(filename, origin, rrclass);
}
RRsetCollection::RRsetCollection(std::istream& input_stream, const Name& origin,
const RRClass& rrclass)
{
constructHelper<std::istream&>(input_stream, origin, rrclass);
}
RRsetPtr
RRsetCollection::find(const Name& name, const RRClass& rrclass,
const RRType& rrtype) {
const CollectionKey key(rrclass, rrtype, name);
CollectionMap::iterator it = rrsets_.find(key);
if (it != rrsets_.end()) {
return (it->second);
}
return (RRsetPtr());
}
ConstRRsetPtr
RRsetCollection::find(const Name& name, const RRClass& rrclass,
const RRType& rrtype) const
{
const CollectionKey key(rrclass, rrtype, name);
CollectionMap::const_iterator it = rrsets_.find(key);
if (it != rrsets_.end()) {
return (it->second);
}
return (ConstRRsetPtr());
}
bool
RRsetCollection::removeRRset(const Name& name, const RRClass& rrclass,
const RRType& rrtype)
{
const CollectionKey key(rrclass, rrtype, name);
CollectionMap::iterator it = rrsets_.find(key);
if (it == rrsets_.end()) {
return (false);
}
rrsets_.erase(it);
return (true);
}
RRsetCollectionBase::IterPtr
RRsetCollection::getBeginning() {
CollectionMap::iterator it = rrsets_.begin();
return (RRsetCollectionBase::IterPtr(new DnsIter(it)));
}
RRsetCollectionBase::IterPtr
RRsetCollection::getEnd() {
CollectionMap::iterator it = rrsets_.end();
return (RRsetCollectionBase::IterPtr(new DnsIter(it)));
}
} // end of namespace dns
} // end of namespace isc
|
