1 // Copyright (c) 2009-2018 The Bitcoin Core developers 2 // Distributed under the MIT software license, see the accompanying 3 // file COPYING or http://www.opensource.org/licenses/mit-license.php. 4 5 #ifndef BITCOIN_NETBASE_H 6 #define BITCOIN_NETBASE_H 7 8 #if defined(HAVE_CONFIG_H) 9 #include <config/bitcoin-config.h> 10 #endif 11 12 #include <compat.h> 13 #include <netaddress.h> 14 #include <serialize.h> 15 16 #include <stdint.h> 17 #include <string> 18 #include <vector> 19 20 extern int nConnectTimeout; 21 extern bool fNameLookup; 22 23 //! -timeout default 24 static const int DEFAULT_CONNECT_TIMEOUT = 5000; 25 //! -dns default 26 static const int DEFAULT_NAME_LOOKUP = true; 27 28 class proxyType 29 { 30 public: proxyType()31 proxyType(): randomize_credentials(false) {} proxy(_proxy)32 explicit proxyType(const CService &_proxy, bool _randomize_credentials=false): proxy(_proxy), randomize_credentials(_randomize_credentials) {} 33 IsValid()34 bool IsValid() const { return proxy.IsValid(); } 35 36 CService proxy; 37 bool randomize_credentials; 38 }; 39 40 enum Network ParseNetwork(std::string net); 41 std::string GetNetworkName(enum Network net); 42 bool SetProxy(enum Network net, const proxyType &addrProxy); 43 bool GetProxy(enum Network net, proxyType &proxyInfoOut); 44 bool IsProxy(const CNetAddr &addr); 45 bool SetNameProxy(const proxyType &addrProxy); 46 bool HaveNameProxy(); 47 bool GetNameProxy(proxyType &nameProxyOut); 48 bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup); 49 bool LookupHost(const char *pszName, CNetAddr& addr, bool fAllowLookup); 50 bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLookup); 51 bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions); 52 CService LookupNumeric(const char *pszName, int portDefault = 0); 53 bool LookupSubNet(const char *pszName, CSubNet& subnet); 54 SOCKET CreateSocket(const CService &addrConnect); 55 bool ConnectSocketDirectly(const CService &addrConnect, const SOCKET& hSocketRet, int nTimeout, bool manual_connection); 56 bool ConnectThroughProxy(const proxyType &proxy, const std::string& strDest, int port, const SOCKET& hSocketRet, int nTimeout, bool *outProxyConnectionFailed); 57 /** Return readable error string for a network error code */ 58 std::string NetworkErrorString(int err); 59 /** Close socket and set hSocket to INVALID_SOCKET */ 60 bool CloseSocket(SOCKET& hSocket); 61 /** Disable or enable blocking-mode for a socket */ 62 bool SetSocketNonBlocking(const SOCKET& hSocket, bool fNonBlocking); 63 /** Set the TCP_NODELAY flag on a socket */ 64 bool SetSocketNoDelay(const SOCKET& hSocket); 65 /** 66 * Convert milliseconds to a struct timeval for e.g. select. 67 */ 68 struct timeval MillisToTimeval(int64_t nTimeout); 69 void InterruptSocks5(bool interrupt); 70 71 #endif // BITCOIN_NETBASE_H 72