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		49de4d5f33
		
	
	
	
	
		
			
			Since all types and class names live in the DNS namespace, we don't need to spell it out twice each time.
		
			
				
	
	
		
			48 lines
		
	
	
	
		
			972 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
	
		
			972 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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| 
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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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|     Vector<Answer> lookup(Name const&, RecordType record_type);
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| 
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| private:
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|     explicit MulticastDNS(Object* 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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|     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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|     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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| }
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