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https://github.com/RGBCube/serenity
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579eb7cf41
At least macOS has a non-standard sin_len field at the front of the struct that Linux and Serenity do not. On BSDs, the sin_len field must be initialized to the size of the structure. Co-Authored-By: Timon Kruiper <timonkruiper@gmail.com>
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
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 <AK/IPv4Address.h>
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#include <LibCore/UDPServer.h>
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#include <LibDNS/Answer.h>
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#include <LibDNS/Name.h>
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#include <LibDNS/Packet.h>
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#include <netinet/in.h>
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namespace LookupServer {
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using namespace DNS;
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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<Answer> lookup(Name const&, RecordType 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(Packet const&, sockaddr_in const* destination = nullptr);
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void handle_packet();
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void handle_query(Packet const&);
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Vector<IPv4Address> local_addresses() const;
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Name m_hostname;
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static constexpr sockaddr_in mdns_addr {
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#ifdef AK_OS_BSD_GENERIC
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.sin_len = sizeof(struct sockaddr_in),
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#endif
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.sin_family = AF_INET,
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// htons(5353)
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.sin_port = 0xe914,
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// 224.0.0.251
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.sin_addr = { 0xfb0000e0 },
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.sin_zero = { 0 }
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};
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};
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}
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