72 lines
2 KiB
C++
72 lines
2 KiB
C++
/* XMRig
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* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
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* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef XMRIG_DNSUVBACKEND_H
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#define XMRIG_DNSUVBACKEND_H
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#include "base/kernel/interfaces/IDnsBackend.h"
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#include "base/net/dns/DnsRecords.h"
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#include "base/net/tools/Storage.h"
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#include <queue>
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using uv_getaddrinfo_t = struct uv_getaddrinfo_s;
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namespace xmrig {
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class DnsUvBackend : public IDnsBackend
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{
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public:
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XMRIG_DISABLE_COPY_MOVE(DnsUvBackend)
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DnsUvBackend();
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~DnsUvBackend() override;
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protected:
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inline const DnsRecords &records() const override { return m_records; }
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std::shared_ptr<DnsRequest> resolve(const String &host, IDnsListener *listener, uint64_t ttl) override;
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private:
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bool resolve(const String &host);
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void done();
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void onResolved(int status, addrinfo *res);
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static void onResolved(uv_getaddrinfo_t *req, int status, addrinfo *res);
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DnsRecords m_records;
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int m_status = 0;
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std::queue<std::weak_ptr<DnsRequest> > m_queue;
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std::shared_ptr<uv_getaddrinfo_t> m_req;
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uint64_t m_ts = 0;
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uintptr_t m_key;
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static Storage<DnsUvBackend>& getStorage();
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void releaseStorage();
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};
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} /* namespace xmrig */
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#endif /* XMRIG_DNSUVBACKEND_H */
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