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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "DNSName.h"
#include <AK/Format.h>
#include <AK/String.h>
#include <AK/Types.h>
namespace LookupServer {
enum class DNSRecordType : u16 {
A = 1,
NS = 2,
CNAME = 5,
SOA = 6,
PTR = 12,
MX = 15,
TXT = 16,
AAAA = 28,
SRV = 33,
};
enum class DNSRecordClass : u16 {
IN = 1
};
#define MDNS_CACHE_FLUSH 0x8000
class DNSAnswer {
public:
DNSAnswer(const DNSName& name, DNSRecordType type, DNSRecordClass class_code, u32 ttl, const String& record_data, bool mdns_cache_flush);
const DNSName& name() const { return m_name; }
DNSRecordType type() const { return m_type; }
DNSRecordClass class_code() const { return m_class_code; }
u16 raw_class_code() const { return (u16)m_class_code | (m_mdns_cache_flush ? MDNS_CACHE_FLUSH : 0); }
u32 ttl() const { return m_ttl; }
const String& record_data() const { return m_record_data; }
bool mdns_cache_flush() const { return m_mdns_cache_flush; }
bool has_expired() const;
private:
DNSName m_name;
DNSRecordType m_type { 0 };
DNSRecordClass m_class_code { 0 };
u32 m_ttl { 0 };
time_t m_expiration_time { 0 };
String m_record_data;
bool m_mdns_cache_flush { false };
};
}
template<>
struct AK::Formatter<LookupServer::DNSRecordType> : StandardFormatter {
Formatter() = default;
explicit Formatter(StandardFormatter formatter)
: StandardFormatter(formatter)
{
}
void format(AK::FormatBuilder&, LookupServer::DNSRecordType);
};
template<>
struct AK::Formatter<LookupServer::DNSRecordClass> : StandardFormatter {
Formatter() = default;
explicit Formatter(StandardFormatter formatter)
: StandardFormatter(formatter)
{
}
void format(AK::FormatBuilder&, LookupServer::DNSRecordClass);
};
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