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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "ConnectionFromClient.h"
#include "DNSName.h"
#include "DNSPacket.h"
#include "DNSServer.h"
#include "MulticastDNS.h"
#include <LibCore/FileWatcher.h>
#include <LibCore/Object.h>
#include <LibIPC/MultiServer.h>
namespace LookupServer {
class DNSAnswer;
class LookupServer final : public Core::Object {
C_OBJECT(LookupServer);
public:
static LookupServer& the();
ErrorOr<Vector<DNSAnswer>> lookup(const DNSName& name, DNSRecordType record_type);
private:
LookupServer();
void load_etc_hosts();
void put_in_cache(const DNSAnswer&);
ErrorOr<Vector<DNSAnswer>> lookup(const DNSName& hostname, const String& nameserver, bool& did_get_response, DNSRecordType record_type, ShouldRandomizeCase = ShouldRandomizeCase::Yes);
OwnPtr<IPC::MultiServer<ConnectionFromClient>> m_server;
RefPtr<DNSServer> m_dns_server;
RefPtr<MulticastDNS> m_mdns;
Vector<String> m_nameservers;
RefPtr<Core::FileWatcher> m_file_watcher;
HashMap<DNSName, Vector<DNSAnswer>, DNSName::Traits> m_etc_hosts;
HashMap<DNSName, Vector<DNSAnswer>, DNSName::Traits> m_lookup_cache;
};
}
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