src/netbase.h

   1 // Copyright (c) 2009-2017 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:
  31     proxyType(): randomize_credentials(false) {}
  32     explicit proxyType(const CService &_proxy, bool _randomize_credentials=false): proxy(_proxy), randomize_credentials(_randomize_credentials) {}
  33
  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);
  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