mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 00:02:45 +00:00
ce2ed7615a
This is a bit awkward, but I think it is better to make the caller deal with possible errors.
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
/*
|
|
* Copyright (c) 2021, Sergey Bugaev <bugaevc@serenityos.org>
|
|
* Copyright (c) 2022, Alexander Narsudinov <a.narsudinov@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/IPv4Address.h>
|
|
#include <LibCore/UDPServer.h>
|
|
#include <LibDNS/Answer.h>
|
|
#include <LibDNS/Name.h>
|
|
#include <LibDNS/Packet.h>
|
|
#include <netinet/in.h>
|
|
|
|
namespace LookupServer {
|
|
|
|
using namespace DNS;
|
|
|
|
class MulticastDNS : public Core::UDPServer {
|
|
C_OBJECT(MulticastDNS)
|
|
public:
|
|
ErrorOr<Vector<Answer>> lookup(Name const&, RecordType record_type);
|
|
|
|
private:
|
|
explicit MulticastDNS(Object* parent = nullptr);
|
|
|
|
void announce();
|
|
ErrorOr<size_t> emit_packet(Packet const&, sockaddr_in const* destination = nullptr);
|
|
|
|
ErrorOr<void> handle_packet();
|
|
void handle_query(Packet const&);
|
|
|
|
Vector<IPv4Address> local_addresses() const;
|
|
|
|
Name m_hostname;
|
|
|
|
static constexpr sockaddr_in mdns_addr {
|
|
#ifdef AK_OS_BSD_GENERIC
|
|
.sin_len = sizeof(struct sockaddr_in),
|
|
#endif
|
|
.sin_family = AF_INET,
|
|
// htons(5353)
|
|
.sin_port = 0xe914,
|
|
// 224.0.0.251
|
|
.sin_addr = { 0xfb0000e0 },
|
|
.sin_zero = { 0 }
|
|
};
|
|
};
|
|
|
|
}
|