mirror of
https://github.com/RetroShare/RetroShare.git
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62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
/*******************************************************************************
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* libretroshare/src/util: dnsresolver.h *
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* *
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* libretroshare: retroshare core library *
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* *
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* Copyright (C) 2017 Retroshare Team <retroshare.project@gmail.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 Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (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 Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#pragma once
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#include "pqi/pqinetwork.h"
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#ifndef WIN32
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#include <netdb.h>
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#endif
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#include <map>
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#include <string>
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#include "util/rsthreads.h"
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struct sockaddr ;
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class DNSResolver
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{
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public:
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DNSResolver() ;
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~DNSResolver() ;
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bool getIPAddressFromString(const std::string& server_name,struct sockaddr_storage &addr) ;
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void start_request() ;
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void reset() ;
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private:
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enum { DNS_DONT_HAVE,DNS_SEARCHING, DNS_HAVE, DNS_LOOKUP_ERROR } ;
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struct AddrInfo
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{
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uint32_t state ; // state: Looked-up, not found, have
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rstime_t last_lookup_time ; // last lookup time
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struct sockaddr_storage addr ;
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};
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friend void *solveDNSEntries(void *p) ;
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RsMutex _rdnsMtx ;
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bool *_thread_running ;
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std::map<std::string, AddrInfo> *_addr_map ;
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};
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