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		fcced97509
		
	
	
	
	
		
			
			The Hurd has sin_len, just like the BSDs. This happened to hit a clang-format bug, and we have been advised to disable clang-format for this block of code for now.
		
			
				
	
	
		
			56 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2021, Sergey Bugaev <bugaevc@serenityos.org>
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|  * Copyright (c) 2022, Alexander Narsudinov <a.narsudinov@gmail.com>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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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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| 
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| namespace LookupServer {
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| 
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| using namespace DNS;
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| 
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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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|     ErrorOr<Vector<Answer>> lookup(Name const&, RecordType record_type);
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| 
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| private:
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|     explicit MulticastDNS(Core::EventReceiver* parent = nullptr);
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| 
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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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| 
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|     ErrorOr<void> handle_packet();
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|     void handle_query(Packet const&);
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| 
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|     Vector<IPv4Address> local_addresses() const;
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| 
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|     Name m_hostname;
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| 
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|     // https://github.com/llvm/llvm-project/issues/56685
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|     // https://github.com/llvm/llvm-project/pull/65409
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|     // clang-format off
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|     static constexpr sockaddr_in mdns_addr {
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| #if defined(AK_OS_BSD_GENERIC) || defined(AK_OS_GNU_HURD)
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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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|     // clang-format on
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| };
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| 
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| }
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