Kea 1.5.0
rrparamregistry.cc
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1
7
8// Copyright (C) 2010-2015 Internet Systems Consortium, Inc. ("ISC")
9//
10// This Source Code Form is subject to the terms of the Mozilla Public
11// License, v. 2.0. If a copy of the MPL was not distributed with this
12// file, You can obtain one at http://mozilla.org/MPL/2.0/.
13
14#include <config.h>
15
16#include <cassert>
17#include <algorithm>
18#include <cctype>
19#include <functional>
20#include <map>
21#include <string>
22#include <sstream>
23#include <utility>
24
25#include <stdint.h>
26
27#include <boost/shared_ptr.hpp>
28
29#include <exceptions/exceptions.h>
30
31#include <dns/rrparamregistry.h>
32#include <dns/rrclass.h>
33#include <dns/rrtype.h>
34#include <dns/rdata.h>
35#include <dns/rdataclass.h>
36
37using namespace std;
38
39using namespace isc::util;
40using namespace isc::dns::rdata;
41
42namespace isc {
43namespace dns {
44
45namespace {
51bool
52CICharLess(char c1, char c2) {
53 return (tolower(static_cast<unsigned char>(c1)) <
54 tolower(static_cast<unsigned char>(c2)));
55}
56
57struct CIStringLess :
58 public binary_function<string, string, bool>
59{
60 bool operator()(const string& s1, const string& s2) const
61 {
62 return (lexicographical_compare(s1.begin(), s1.end(),
63 s2.begin(), s2.end(), CICharLess));
64 }
65};
66
67struct RRTypeParam {
68 RRTypeParam(const string& code_string, uint16_t code) :
69 code_string_(code_string), code_(code) {}
70 string code_string_;
71 uint16_t code_;
72
74 static const unsigned int MAX_CODE = 0xffff;
75 static const string& UNKNOWN_PREFIX();
76 static size_t UNKNOWN_PREFIXLEN();
77 static const string& UNKNOWN_MAX();
78 static size_t UNKNOWN_MAXLEN();
79};
80
81typedef boost::shared_ptr<RRTypeParam> RRTypeParamPtr;
82typedef map<string, RRTypeParamPtr, CIStringLess> StrRRTypeMap;
83typedef map<uint16_t, RRTypeParamPtr> CodeRRTypeMap;
84
85inline const string&
86RRTypeParam::UNKNOWN_PREFIX() {
87 static const string p("TYPE");
88 return (p);
89}
90
91inline size_t
92RRTypeParam::UNKNOWN_PREFIXLEN() {
93 static size_t plen = UNKNOWN_PREFIX().size();
94 return (plen);
95}
96
97inline const string&
98RRTypeParam::UNKNOWN_MAX() {
99 static const string p("TYPE65535");
100 return (p);
101}
102
103inline size_t
104RRTypeParam::UNKNOWN_MAXLEN() {
105 static size_t plen = UNKNOWN_MAX().size();
106 return (plen);
107}
108
109struct RRClassParam {
110 RRClassParam(const string& code_string, uint16_t code) :
111 code_string_(code_string), code_(code) {}
112 string code_string_;
113 uint16_t code_;
114
116 static const unsigned int MAX_CODE = 0xffff;
117 static const string& UNKNOWN_PREFIX();
118 static size_t UNKNOWN_PREFIXLEN();
119 static const string& UNKNOWN_MAX();
120 static size_t UNKNOWN_MAXLEN();
121};
122
123typedef boost::shared_ptr<RRClassParam> RRClassParamPtr;
124typedef map<string, RRClassParamPtr, CIStringLess> StrRRClassMap;
125typedef map<uint16_t, RRClassParamPtr> CodeRRClassMap;
126
127inline const string&
128RRClassParam::UNKNOWN_PREFIX() {
129 static const string p("CLASS");
130 return (p);
131}
132
133inline size_t
134RRClassParam::UNKNOWN_PREFIXLEN() {
135 static size_t plen = UNKNOWN_PREFIX().size();
136 return (plen);
137}
138
139inline const string&
140RRClassParam::UNKNOWN_MAX() {
141 static const string p("CLASS65535");
142 return (p);
143}
144
145inline size_t
146RRClassParam::UNKNOWN_MAXLEN() {
147 static size_t plen = UNKNOWN_MAX().size();
148 return (plen);
149}
150} // end of anonymous namespace
151
160typedef pair<RRType, RRClass> RRTypeClass;
161typedef map<RRTypeClass, RdataFactoryPtr> RdataFactoryMap;
162typedef map<RRType, RdataFactoryPtr> GenericRdataFactoryMap;
163
164template <typename T>
165class RdataFactory : public AbstractRdataFactory {
166public:
167 virtual RdataPtr create(const string& rdata_str) const
168 {
169 return (RdataPtr(new T(rdata_str)));
170 }
171
172 virtual RdataPtr create(InputBuffer& buffer, size_t rdata_len) const
173 {
174 return (RdataPtr(new T(buffer, rdata_len)));
175 }
176
177 virtual RdataPtr create(const Rdata& source) const
178 {
179 return (RdataPtr(new T(dynamic_cast<const T&>(source))));
180 }
181
182 virtual RdataPtr create(MasterLexer& lexer, const Name* origin,
183 MasterLoader::Options options,
184 MasterLoaderCallbacks& callbacks) const
185 {
186 return (RdataPtr(new T(lexer, origin, options, callbacks)));
187 }
188};
189
197struct RRParamRegistryImpl {
199 StrRRTypeMap str2typemap;
201 CodeRRTypeMap code2typemap;
203 StrRRClassMap str2classmap;
205 CodeRRClassMap code2classmap;
206 RdataFactoryMap rdata_factories;
207 GenericRdataFactoryMap genericrdata_factories;
208};
209
210RRParamRegistry::RRParamRegistry() {
211 impl_ = new RRParamRegistryImpl;
212
213 // set up parameters for well-known RRs
214 try {
215 // BEGIN_WELL_KNOWN_PARAMS
216 add("A", 1, "IN", 1, RdataFactoryPtr(new RdataFactory<in::A>()));
217 add("NS", 2, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::NS>()));
218 add("CNAME", 5, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::CNAME>()));
219 add("SOA", 6, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::SOA>()));
220 add("PTR", 12, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::PTR>()));
221 add("HINFO", 13, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::HINFO>()));
222 add("MINFO", 14, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::MINFO>()));
223 add("MX", 15, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::MX>()));
224 add("TXT", 16, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::TXT>()));
225 add("RP", 17, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::RP>()));
226 add("AFSDB", 18, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::AFSDB>()));
227 add("AAAA", 28, "IN", 1, RdataFactoryPtr(new RdataFactory<in::AAAA>()));
228 add("SRV", 33, "IN", 1, RdataFactoryPtr(new RdataFactory<in::SRV>()));
229 add("NAPTR", 35, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::NAPTR>()));
230 add("DNAME", 39, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::DNAME>()));
231 add("OPT", 41, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::OPT>()));
232 add("DS", 43, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::DS>()));
233 add("SSHFP", 44, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::SSHFP>()));
234 add("RRSIG", 46, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::RRSIG>()));
235 add("NSEC", 47, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::NSEC>()));
236 add("DNSKEY", 48, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::DNSKEY>()));
237 add("DHCID", 49, "IN", 1, RdataFactoryPtr(new RdataFactory<in::DHCID>()));
238 add("NSEC3", 50, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::NSEC3>()));
239 add("NSEC3PARAM", 51, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::NSEC3PARAM>()));
240 add("TLSA", 52, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::TLSA>()));
241 add("SPF", 99, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::SPF>()));
242 add("CAA", 257, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::CAA>()));
243 add("DLV", 32769, "IN", 1, RdataFactoryPtr(new RdataFactory<generic::DLV>()));
244 add("A", 1, "CH", 3, RdataFactoryPtr(new RdataFactory<ch::A>()));
245 add("A", 1, "HS", 4, RdataFactoryPtr(new RdataFactory<hs::A>()));
246 add("TSIG", 250, "ANY", 255, RdataFactoryPtr(new RdataFactory<any::TSIG>()));
247 add("NS", 2, RdataFactoryPtr(new RdataFactory<generic::NS>()));
248 add("CNAME", 5, RdataFactoryPtr(new RdataFactory<generic::CNAME>()));
249 add("SOA", 6, RdataFactoryPtr(new RdataFactory<generic::SOA>()));
250 add("PTR", 12, RdataFactoryPtr(new RdataFactory<generic::PTR>()));
251 add("HINFO", 13, RdataFactoryPtr(new RdataFactory<generic::HINFO>()));
252 add("MINFO", 14, RdataFactoryPtr(new RdataFactory<generic::MINFO>()));
253 add("MX", 15, RdataFactoryPtr(new RdataFactory<generic::MX>()));
254 add("TXT", 16, RdataFactoryPtr(new RdataFactory<generic::TXT>()));
255 add("RP", 17, RdataFactoryPtr(new RdataFactory<generic::RP>()));
256 add("AFSDB", 18, RdataFactoryPtr(new RdataFactory<generic::AFSDB>()));
257 add("NAPTR", 35, RdataFactoryPtr(new RdataFactory<generic::NAPTR>()));
258 add("DNAME", 39, RdataFactoryPtr(new RdataFactory<generic::DNAME>()));
259 add("OPT", 41, RdataFactoryPtr(new RdataFactory<generic::OPT>()));
260 add("DS", 43, RdataFactoryPtr(new RdataFactory<generic::DS>()));
261 add("SSHFP", 44, RdataFactoryPtr(new RdataFactory<generic::SSHFP>()));
262 add("RRSIG", 46, RdataFactoryPtr(new RdataFactory<generic::RRSIG>()));
263 add("NSEC", 47, RdataFactoryPtr(new RdataFactory<generic::NSEC>()));
264 add("DNSKEY", 48, RdataFactoryPtr(new RdataFactory<generic::DNSKEY>()));
265 add("NSEC3", 50, RdataFactoryPtr(new RdataFactory<generic::NSEC3>()));
266 add("NSEC3PARAM", 51, RdataFactoryPtr(new RdataFactory<generic::NSEC3PARAM>()));
267 add("TLSA", 52, RdataFactoryPtr(new RdataFactory<generic::TLSA>()));
268 add("SPF", 99, RdataFactoryPtr(new RdataFactory<generic::SPF>()));
269 add("CAA", 257, RdataFactoryPtr(new RdataFactory<generic::CAA>()));
270 add("DLV", 32769, RdataFactoryPtr(new RdataFactory<generic::DLV>()));
271 // Meta and non-implemented RR types
272 addType("IPSECKEY", 45);
273 addType("L32", 105);
274 addType("NID", 104);
275 addType("LP", 107);
276 addType("L64", 106);
277 addType("KX", 36);
278 addType("UNSPEC", 103);
279 addType("MAILA", 254);
280 addType("MAILB", 253);
281 addType("HIP", 55);
282 addType("LOC", 29);
283 addType("URI", 256);
284 addType("APL", 42);
285 addType("GPOS", 27);
286 addType("TKEY", 249);
287 addType("MG", 8);
288 addType("MR", 9);
289 addType("IXFR", 251);
290 addType("MB", 7);
291 addType("MF", 4);
292 addType("AXFR", 252);
293 addType("ANY", 255);
294 addType("MD", 3);
295 addType("CERT", 37);
296 addType("KEY", 25);
297 addType("SIG", 24);
298 addType("A6", 38);
299 addType("PX", 26);
300 addType("RT", 21);
301 addType("X25", 19);
302 addType("NSAP-PTR", 23);
303 addType("NSAP", 22);
304 addType("NXT", 30);
305 addType("NULL", 10);
306 addType("WKS", 11);
307 addType("ISDN", 20);
308 // Meta classes
309 addClass("NONE", 254);
310 // END_WELL_KNOWN_PARAMS
311 } catch (...) {
312 delete impl_;
313 throw;
314 }
315}
316
317RRParamRegistry::~RRParamRegistry() {
318 delete impl_;
319}
320
321RRParamRegistry&
322RRParamRegistry::getRegistry() {
323 static RRParamRegistry registry;
324
325 return (registry);
326}
327
328void
329RRParamRegistry::add(const std::string& typecode_string, uint16_t typecode,
330 RdataFactoryPtr rdata_factory)
331{
332 bool type_added = false;
333 try {
334 type_added = addType(typecode_string, typecode);
335 impl_->genericrdata_factories.insert(pair<RRType, RdataFactoryPtr>(
336 RRType(typecode),
337 rdata_factory));
338 } catch (...) {
339 if (type_added) {
340 removeType(typecode);
341 }
342 throw;
343 }
344}
345
346void
347RRParamRegistry::add(const std::string& typecode_string, uint16_t typecode,
348 const std::string& classcode_string, uint16_t classcode,
349 RdataFactoryPtr rdata_factory)
350{
351 // Rollback logic on failure is complicated. If adding the new type or
352 // class fails, we should revert to the original state, cleaning up
353 // intermediate state. But we need to make sure that we don't remove
354 // existing data. addType()/addClass() will simply ignore an attempt to
355 // add the same data, so the cleanup should be performed only when we add
356 // something new but we fail in other part of the process.
357 bool type_added = false;
358 bool class_added = false;
359
360 try {
361 type_added = addType(typecode_string, typecode);
362 class_added = addClass(classcode_string, classcode);
363 impl_->rdata_factories.insert(pair<RRTypeClass, RdataFactoryPtr>(
364 RRTypeClass(RRType(typecode),
365 RRClass(classcode)),
366 rdata_factory));
367 } catch (...) {
368 if (type_added) {
369 removeType(typecode);
370 }
371 if (class_added) {
372 removeClass(classcode);
373 }
374 throw;
375 }
376}
377
378bool
379RRParamRegistry::removeRdataFactory(const RRType& rrtype,
380 const RRClass& rrclass)
381{
382 RdataFactoryMap::iterator found =
383 impl_->rdata_factories.find(RRTypeClass(rrtype, rrclass));
384 if (found != impl_->rdata_factories.end()) {
385 impl_->rdata_factories.erase(found);
386 return (true);
387 }
388
389 return (false);
390}
391
392bool
393RRParamRegistry::removeRdataFactory(const RRType& rrtype) {
394 GenericRdataFactoryMap::iterator found =
395 impl_->genericrdata_factories.find(rrtype);
396 if (found != impl_->genericrdata_factories.end()) {
397 impl_->genericrdata_factories.erase(found);
398 return (true);
399 }
400
401 return (false);
402}
403
404namespace {
411bool CICharEqual(char c1, char c2) {
412 return (tolower(static_cast<unsigned char>(c1)) ==
413 tolower(static_cast<unsigned char>(c2)));
414}
415
416bool
417caseStringEqual(const string& s1, const string& s2, size_t n) {
418 assert(s1.size() >= n && s2.size() >= n);
419
420 return (mismatch(s1.begin(), s1.begin() + n, s2.begin(), CICharEqual).first
421 == s1.begin() + n);
422}
423
434template <typename PT, typename MC, typename MS, typename ET>
435inline bool
436addParam(const string& code_string, uint16_t code, MC& codemap, MS& stringmap)
437{
438 // Duplicate type check
439 typename MC::const_iterator found = codemap.find(code);
440 if (found != codemap.end()) {
441 if (found->second->code_string_ != code_string) {
442 isc_throw(ET, "Duplicate RR parameter registration");
443 }
444 return (false);
445 }
446
447 typedef boost::shared_ptr<PT> ParamPtr;
448 typedef pair<string, ParamPtr> StrParamPair;
449 typedef pair<uint16_t, ParamPtr> CodeParamPair;
450 ParamPtr param = ParamPtr(new PT(code_string, code));
451 try {
452 stringmap.insert(StrParamPair(code_string, param));
453 codemap.insert(CodeParamPair(code, param));
454 } catch (...) {
455 // Rollback to the previous state: not all of the erase operations will
456 // find the entry, but we don't care.
457 stringmap.erase(code_string);
458 codemap.erase(code);
459 throw;
460 }
461
462 return (true);
463}
464
465template <typename MC, typename MS>
466inline bool
467removeParam(uint16_t code, MC& codemap, MS& stringmap) {
468 typename MC::iterator found = codemap.find(code);
469
470 if (found != codemap.end()) {
471 size_t erased = stringmap.erase(found->second->code_string_);
472 // We must have a corresponding entry of the str2 map exists
473 assert(erased == 1);
474
475 codemap.erase(found);
476
477 return (true);
478 }
479
480 return (false);
481}
482
483template <typename PT, typename MS>
484inline bool
485textToCode(const string& code_str, MS& stringmap, uint16_t& ret_code) {
486 typename MS::const_iterator found;
487
488 found = stringmap.find(code_str);
489 if (found != stringmap.end()) {
490 ret_code = found->second->code_;
491 return (true);
492 }
493
494 size_t l = code_str.size();
495 if (l > PT::UNKNOWN_PREFIXLEN() &&
496 l <= PT::UNKNOWN_MAXLEN() &&
497 caseStringEqual(code_str, PT::UNKNOWN_PREFIX(),
498 PT::UNKNOWN_PREFIXLEN())) {
499 unsigned int code;
500 istringstream iss(code_str.substr(PT::UNKNOWN_PREFIXLEN(),
501 l - PT::UNKNOWN_PREFIXLEN()));
502 iss >> dec >> code;
503 if (iss.rdstate() == ios::eofbit && code <= PT::MAX_CODE) {
504 ret_code = code;
505 return (true);
506 }
507 }
508
509 return (false);
510}
511
512template <typename PT, typename MC>
513inline string
514codeToText(uint16_t code, MC& codemap) {
515 typename MC::const_iterator found;
516
517 found = codemap.find(code);
518 if (found != codemap.end()) {
519 return (found->second->code_string_);
520 }
521
522 ostringstream ss;
523 ss << code;
524 return (PT::UNKNOWN_PREFIX() + ss.str());
525}
526}
527
528bool
529RRParamRegistry::addType(const string& type_string, uint16_t code) {
530 return (addParam<RRTypeParam, CodeRRTypeMap, StrRRTypeMap, RRTypeExists>
531 (type_string, code, impl_->code2typemap, impl_->str2typemap));
532}
533
534bool
535RRParamRegistry::removeType(uint16_t code) {
536 return (removeParam<CodeRRTypeMap, StrRRTypeMap>(code, impl_->code2typemap,
537 impl_->str2typemap));
538}
539
540bool
541RRParamRegistry::textToTypeCode(const string& type_string,
542 uint16_t& type_code) const
543{
544 return (textToCode<RRTypeParam, StrRRTypeMap>
545 (type_string, impl_->str2typemap, type_code));
546}
547
548string
549RRParamRegistry::codeToTypeText(uint16_t code) const {
550 return (codeToText<RRTypeParam, CodeRRTypeMap>(code, impl_->code2typemap));
551}
552
553bool
554RRParamRegistry::addClass(const string& class_string, uint16_t code) {
555 return (addParam<RRClassParam, CodeRRClassMap, StrRRClassMap, RRClassExists>
556 (class_string, code, impl_->code2classmap, impl_->str2classmap));
557}
558
559bool
560RRParamRegistry::removeClass(uint16_t code) {
561 return (removeParam<CodeRRClassMap, StrRRClassMap>(code,
562 impl_->code2classmap,
563 impl_->str2classmap));
564}
565
566bool
567RRParamRegistry::textToClassCode(const string& class_string,
568 uint16_t& class_code) const
569{
570 return (textToCode<RRClassParam, StrRRClassMap>
571 (class_string, impl_->str2classmap, class_code));
572}
573
574string
575RRParamRegistry::codeToClassText(uint16_t code) const {
576 return (codeToText<RRClassParam, CodeRRClassMap>(code,
577 impl_->code2classmap));
578}
579
580namespace {
581inline const AbstractRdataFactory*
582findRdataFactory(RRParamRegistryImpl* reg_impl,
583 const RRType& rrtype, const RRClass& rrclass)
584{
585 RdataFactoryMap::const_iterator found;
586 found = reg_impl->rdata_factories.find(RRTypeClass(rrtype, rrclass));
587 if (found != reg_impl->rdata_factories.end()) {
588 return (found->second.get());
589 }
590
591 GenericRdataFactoryMap::const_iterator genfound =
592 reg_impl->genericrdata_factories.find(rrtype);
593 if (genfound != reg_impl->genericrdata_factories.end()) {
594 return (genfound->second.get());
595 }
596
597 return (NULL);
598}
599}
600
601RdataPtr
602RRParamRegistry::createRdata(const RRType& rrtype, const RRClass& rrclass,
603 const std::string& rdata_string)
604{
605 // If the text indicates that it's rdata of an "unknown" type (beginning
606 // with '\# n'), parse it that way. (TBD)
607
608 const AbstractRdataFactory* factory =
609 findRdataFactory(impl_, rrtype, rrclass);
610 if (factory != NULL) {
611 return (factory->create(rdata_string));
612 }
613
614 return (RdataPtr(new generic::Generic(rdata_string)));
615}
616
617RdataPtr
618RRParamRegistry::createRdata(const RRType& rrtype, const RRClass& rrclass,
619 InputBuffer& buffer, size_t rdata_len)
620{
621 const AbstractRdataFactory* factory =
622 findRdataFactory(impl_, rrtype, rrclass);
623 if (factory != NULL) {
624 return (factory->create(buffer, rdata_len));
625 }
626
627 return (RdataPtr(new generic::Generic(buffer, rdata_len)));
628}
629
630RdataPtr
631RRParamRegistry::createRdata(const RRType& rrtype, const RRClass& rrclass,
632 const Rdata& source)
633{
634 const AbstractRdataFactory* factory =
635 findRdataFactory(impl_, rrtype, rrclass);
636 if (factory != NULL) {
637 return (factory->create(source));
638 }
639
640 return (RdataPtr(new rdata::generic::Generic(
641 dynamic_cast<const generic::Generic&>(source))));
642}
643
644RdataPtr
645RRParamRegistry::createRdata(const RRType& rrtype, const RRClass& rrclass,
646 MasterLexer& lexer, const Name* name,
647 MasterLoader::Options options,
648 MasterLoaderCallbacks& callbacks)
649{
650 const AbstractRdataFactory* factory =
651 findRdataFactory(impl_, rrtype, rrclass);
652 if (factory != NULL) {
653 return (factory->create(lexer, name, options, callbacks));
654 }
655
656 return (RdataPtr(new generic::Generic(lexer, name, options, callbacks)));
657}
658}
659}
isc::dns::MasterLexer
Tokenizer for parsing DNS master files.
Definition: master_lexer.h:301
isc::dns::MasterLoaderCallbacks
Set of issue callbacks for a loader.
Definition: master_loader_callbacks.h:49
isc::dns::MasterLoader::Options
Options
Options how the parsing should work.
Definition: master_loader.h:39
isc::dns::Name
The Name class encapsulates DNS names.
Definition: name.h:223
isc::dns::RRClass
The RRClass class encapsulates DNS resource record classes.
Definition: rrclass.h:98
isc::dns::RRParamRegistry
The RRParamRegistry class represents a registry of parameters to manipulate DNS resource records (RRs...
Definition: rrparamregistry.h:171
isc::dns::RRParamRegistry::createRdata
rdata::RdataPtr createRdata(const RRType &rrtype, const RRClass &rrclass, const std::string &rdata_string)
Create RDATA of a given pair of RR type and class from a string.
Definition: rrparamregistry.cc:602
isc::dns::RRParamRegistry::removeType
bool removeType(uint16_t type_code)
Remove mappings between RR type code and textual representation for a given type.
Definition: rrparamregistry.cc:535
isc::dns::RRParamRegistry::textToTypeCode
bool textToTypeCode(const std::string &type_string, uint16_t &type_code) const
Convert a textual representation of an RR type to the corresponding 16-bit integer code.
Definition: rrparamregistry.cc:541
isc::dns::RRParamRegistry::textToClassCode
bool textToClassCode(const std::string &class_string, uint16_t &class_code) const
Convert a textual representation of an RR class to the corresponding 16-bit integer code.
Definition: rrparamregistry.cc:567
isc::dns::RRParamRegistry::codeToClassText
std::string codeToClassText(uint16_t class_code) const
Convert class code into its textual representation.
Definition: rrparamregistry.cc:575
isc::dns::RRParamRegistry::codeToTypeText
std::string codeToTypeText(uint16_t type_code) const
Convert type code into its textual representation.
Definition: rrparamregistry.cc:549
isc::dns::RRParamRegistry::addClass
bool addClass(const std::string &class_string, uint16_t class_code)
Add mappings between RR class code and textual representation.
Definition: rrparamregistry.cc:554
isc::dns::RRParamRegistry::getRegistry
static RRParamRegistry & getRegistry()
Return the singleton instance of RRParamRegistry.
Definition: rrparamregistry.cc:322
isc::dns::RRParamRegistry::addType
bool addType(const std::string &type_string, uint16_t type_code)
Add mappings between RR type code and textual representation.
Definition: rrparamregistry.cc:529
isc::dns::RRParamRegistry::removeRdataFactory
bool removeRdataFactory(const RRType &rrtype, const RRClass &rrclass)
Remove registered RDATA factory for the given pair of RRType and RRClass.
Definition: rrparamregistry.cc:379
isc::dns::RRParamRegistry::add
void add(const std::string &type_string, uint16_t type_code, const std::string &class_string, uint16_t class_code, rdata::RdataFactoryPtr rdata_factory)
Add a set of parameters for a pair of RR type and class.
Definition: rrparamregistry.cc:347
isc::dns::RRParamRegistry::removeClass
bool removeClass(uint16_t class_code)
Remove mappings between RR class code and textual representation for a given class.
Definition: rrparamregistry.cc:560
isc::dns::RRType
The RRType class encapsulates DNS resource record types.
Definition: rrtype.h:106
isc::dns::RdataFactory::create
virtual RdataPtr create(const string &rdata_str) const
Create RDATA from a string.
Definition: rrparamregistry.cc:167
isc::dns::RdataFactory::create
virtual RdataPtr create(InputBuffer &buffer, size_t rdata_len) const
Create RDATA from wire-format data.
Definition: rrparamregistry.cc:172
isc::dns::RdataFactory::create
virtual RdataPtr create(MasterLexer &lexer, const Name *origin, MasterLoader::Options options, MasterLoaderCallbacks &callbacks) const
Create RDATA using MasterLexer.
Definition: rrparamregistry.cc:182
isc::dns::RdataFactory::create
virtual RdataPtr create(const Rdata &source) const
Create RDATA from another Rdata object of the same type.
Definition: rrparamregistry.cc:177
isc::dns::rdata::AbstractRdataFactory
The AbstractRdataFactory class is an abstract base class to encapsulate a set of Rdata factory method...
Definition: rrparamregistry.h:57
isc::dns::rdata::AbstractRdataFactory::create
virtual RdataPtr create(const std::string &rdata_str) const =0
Create RDATA from a string.
isc::dns::rdata::Rdata
The Rdata class is an abstract base class that provides a set of common interfaces to manipulate conc...
Definition: rdata.h:123
isc::dns::rdata::generic::Generic
The generic::Generic class represents generic "unknown" RDATA.
Definition: rdata.h:249
isc::util::InputBuffer
The InputBuffer class is a buffer abstraction for manipulating read-only data.
Definition: buffer.h:81
isc_throw
#define isc_throw(type, stream)
A shortcut macro to insert known values into exception arguments.
Definition: exceptions/exceptions.h:192
isc::dns::rdata::RdataFactoryPtr
boost::shared_ptr< AbstractRdataFactory > RdataFactoryPtr
The RdataFactoryPtr type is a pointer-like type, pointing to an object of some concrete derived class...
Definition: rrparamregistry.h:130
isc::dns::rdata::RdataPtr
boost::shared_ptr< Rdata > RdataPtr
The RdataPtr type is a pointer-like type, pointing to an object of some concrete derived class of Rda...
Definition: master_loader_callbacks.h:24
isc::dns::RRTypeClass
pair< RRType, RRClass > RRTypeClass
Note: the element ordering in the type/class pair is intentional.
Definition: rrparamregistry.cc:160
isc::dns::RdataFactoryMap
map< RRTypeClass, RdataFactoryPtr > RdataFactoryMap
Definition: rrparamregistry.cc:161
isc::dns::GenericRdataFactoryMap
map< RRType, RdataFactoryPtr > GenericRdataFactoryMap
Definition: rrparamregistry.cc:162
isc::util
Definition: edns.h:19
isc
Defines the logger used by the top-level component of kea-dhcp-ddns.
Definition: agent_parser.cc:144
code_string_
string code_string_
Definition: rrparamregistry.cc:70
code_
uint16_t code_
Definition: rrparamregistry.cc:71
isc::dns::RRParamRegistryImpl
The RRParamRegistryImpl class is the actual implementation of RRParamRegistry.
Definition: rrparamregistry.cc:197
isc::dns::RRParamRegistryImpl::code2typemap
CodeRRTypeMap code2typemap
Mappings from textual representations of RR types to integer codes.
Definition: rrparamregistry.cc:201
isc::dns::RRParamRegistryImpl::str2classmap
StrRRClassMap str2classmap
Mappings from RR class codes to textual representations.
Definition: rrparamregistry.cc:203
isc::dns::RRParamRegistryImpl::code2classmap
CodeRRClassMap code2classmap
Mappings from textual representations of RR classes to integer codes.
Definition: rrparamregistry.cc:205
isc::dns::RRParamRegistryImpl::genericrdata_factories
GenericRdataFactoryMap genericrdata_factories
Definition: rrparamregistry.cc:207
isc::dns::RRParamRegistryImpl::str2typemap
StrRRTypeMap str2typemap
Mappings from RR type codes to textual representations.
Definition: rrparamregistry.cc:199