1 // Copyright (c) 2009-2012 The Bitcoin developers
2 // Distributed under the MIT/X11 software license, see the accompanying
3 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
4 #ifndef BITCOIN_NETBASE_H
5 #define BITCOIN_NETBASE_H
10 #include "serialize.h"
13 extern int nConnectTimeout;
16 // In MSVC, this is defined as a macro, undefine it to prevent a compile and link error
20 /** IP address (IPv6, or IPv4 using mapped IPv6 range (::FFFF:0:0/96)) */
24 unsigned char ip[16]; // in network byte order
28 CNetAddr(const struct in_addr& ipv4Addr);
29 explicit CNetAddr(const char *pszIp, bool fAllowLookup = false);
30 explicit CNetAddr(const std::string &strIp, bool fAllowLookup = false);
32 void SetIP(const CNetAddr& ip);
33 bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0)
34 bool IsRFC1918() const; // IPv4 private networks (10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12)
35 bool IsRFC3849() const; // IPv6 documentation address (2001:0DB8::/32)
36 bool IsRFC3927() const; // IPv4 autoconfig (169.254.0.0/16)
37 bool IsRFC3964() const; // IPv6 6to4 tunneling (2002::/16)
38 bool IsRFC4193() const; // IPv6 unique local (FC00::/15)
39 bool IsRFC4380() const; // IPv6 Teredo tunneling (2001::/32)
40 bool IsRFC4843() const; // IPv6 ORCHID (2001:10::/28)
41 bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64)
42 bool IsRFC6052() const; // IPv6 well-known prefix (64:FF9B::/96)
43 bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96)
45 bool IsRoutable() const;
47 bool IsMulticast() const;
48 std::string ToString() const;
49 std::string ToStringIP() const;
50 int GetByte(int n) const;
51 int64 GetHash() const;
52 bool GetInAddr(struct in_addr* pipv4Addr) const;
53 std::vector<unsigned char> GetGroup() const;
57 CNetAddr(const struct in6_addr& pipv6Addr);
58 bool GetIn6Addr(struct in6_addr* pipv6Addr) const;
61 friend bool operator==(const CNetAddr& a, const CNetAddr& b);
62 friend bool operator!=(const CNetAddr& a, const CNetAddr& b);
63 friend bool operator<(const CNetAddr& a, const CNetAddr& b);
67 READWRITE(FLATDATA(ip));
71 /** A combination of a network address (CNetAddr) and a (TCP) port */
72 class CService : public CNetAddr
75 unsigned short port; // host order
79 CService(const CNetAddr& ip, unsigned short port);
80 CService(const struct in_addr& ipv4Addr, unsigned short port);
81 CService(const struct sockaddr_in& addr);
82 explicit CService(const char *pszIpPort, int portDefault, bool fAllowLookup = false);
83 explicit CService(const char *pszIpPort, bool fAllowLookup = false);
84 explicit CService(const std::string& strIpPort, int portDefault, bool fAllowLookup = false);
85 explicit CService(const std::string& strIpPort, bool fAllowLookup = false);
87 void SetPort(unsigned short portIn);
88 unsigned short GetPort() const;
89 bool GetSockAddr(struct sockaddr_in* paddr) const;
90 friend bool operator==(const CService& a, const CService& b);
91 friend bool operator!=(const CService& a, const CService& b);
92 friend bool operator<(const CService& a, const CService& b);
93 std::vector<unsigned char> GetKey() const;
94 std::string ToString() const;
95 std::string ToStringPort() const;
96 std::string ToStringIPPort() const;
100 CService(const struct in6_addr& ipv6Addr, unsigned short port);
101 bool GetSockAddr6(struct sockaddr_in6* paddr) const;
102 CService(const struct sockaddr_in6& addr);
107 CService* pthis = const_cast<CService*>(this);
108 READWRITE(FLATDATA(ip));
109 unsigned short portN = htons(port);
112 pthis->port = ntohs(portN);
116 bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions = 0, bool fAllowLookup = true);
117 bool LookupHostNumeric(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions = 0);
118 bool Lookup(const char *pszName, CService& addr, int portDefault = 0, bool fAllowLookup = true);
119 bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault = 0, bool fAllowLookup = true, unsigned int nMaxSolutions = 0);
120 bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0);
121 bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout = nConnectTimeout);
124 extern int fUseProxy;
125 extern CService addrProxy;