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47 lines
956 B
C++
47 lines
956 B
C++
/*
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* Copyright (c) 2021, Sergey Bugaev <bugaevc@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "DNSAnswer.h"
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#include "DNSName.h"
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#include "DNSPacket.h"
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#include <AK/IPv4Address.h>
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#include <LibCore/UDPServer.h>
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#include <netinet/in.h>
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namespace LookupServer {
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class MulticastDNS : public Core::UDPServer {
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C_OBJECT(MulticastDNS)
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public:
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Vector<DNSAnswer> lookup(const DNSName&, DNSRecordType record_type);
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private:
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explicit MulticastDNS(Object* parent = nullptr);
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void announce();
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ErrorOr<size_t> emit_packet(const DNSPacket&, const sockaddr_in* destination = nullptr);
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void handle_packet();
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void handle_query(const DNSPacket&);
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Vector<IPv4Address> local_addresses() const;
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DNSName m_hostname;
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static constexpr sockaddr_in mdns_addr {
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AF_INET,
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// htons(5353)
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0xe914,
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// 224.0.0.251
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{ 0xfb0000e0 },
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{ 0 }
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};
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};
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}
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