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71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_DNS_RECORD_PARSED_H_
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#define NET_DNS_RECORD_PARSED_H_
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#include <stdint.h>
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#include <memory>
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#include <string>
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#include "base/time/time.h"
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#include "net/base/net_export.h"
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namespace net {
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class DnsRecordParser;
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class RecordRdata;
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// Parsed record. This is a form of DnsResourceRecord where the rdata section
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// has been parsed into a data structure.
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class NET_EXPORT_PRIVATE RecordParsed {
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public:
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virtual ~RecordParsed();
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// All records are inherently immutable. Return a const pointer.
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static std::unique_ptr<const RecordParsed> CreateFrom(
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DnsRecordParser* parser,
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base::Time time_created);
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const std::string& name() const { return name_; }
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uint16_t type() const { return type_; }
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uint16_t klass() const { return klass_; }
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uint32_t ttl() const { return ttl_; }
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base::Time time_created() const { return time_created_; }
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template <class T> const T* rdata() const {
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if (T::kType != type_)
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return NULL;
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return static_cast<const T*>(rdata_.get());
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}
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// Check if two records have the same data. Ignores time_created and ttl.
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// If |is_mdns| is true, ignore the top bit of the class
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// (the cache flush bit).
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bool IsEqual(const RecordParsed* other, bool is_mdns) const;
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private:
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RecordParsed(const std::string& name,
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uint16_t type,
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uint16_t klass,
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uint32_t ttl,
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std::unique_ptr<const RecordRdata> rdata,
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base::Time time_created);
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std::string name_; // in dotted form
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const uint16_t type_;
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const uint16_t klass_;
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const uint32_t ttl_;
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const std::unique_ptr<const RecordRdata> rdata_;
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const base::Time time_created_;
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};
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} // namespace net
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#endif // NET_DNS_RECORD_PARSED_H_
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