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
11 #define _WIN32_WINNT 0x0501
16 #include <sys/types.h>
17 #include <sys/socket.h>
18 #include <arpa/inet.h>
22 #include <netinet/in.h>
25 #include "serialize.h"
28 extern int nConnectTimeout;
31 /** IP address (IPv6, or IPv4 using mapped IPv6 range (::FFFF:0:0/96)) */
35 unsigned char ip[16]; // in network byte order
39 CNetAddr(const struct in_addr& ipv4Addr);
40 explicit CNetAddr(const char *pszIp, bool fAllowLookup = false);
41 explicit CNetAddr(const std::string &strIp, bool fAllowLookup = false);
43 void SetIP(const CNetAddr& ip);
44 bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0)
45 bool IsRFC1918() const; // IPv4 private networks (10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12)
46 bool IsRFC3849() const; // IPv6 documentation address (2001:0DB8::/32)
47 bool IsRFC3927() const; // IPv4 autoconfig (169.254.0.0/16)
48 bool IsRFC3964() const; // IPv6 6to4 tunneling (2002::/16)
49 bool IsRFC4193() const; // IPv6 unique local (FC00::/15)
50 bool IsRFC4380() const; // IPv6 Teredo tunneling (2001::/32)
51 bool IsRFC4843() const; // IPv6 ORCHID (2001:10::/28)
52 bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64)
53 bool IsRFC6052() const; // IPv6 well-known prefix (64:FF9B::/96)
54 bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96)
56 bool IsRoutable() const;
58 bool IsMulticast() const;
59 std::string ToString() const;
60 std::string ToStringIP() const;
61 int GetByte(int n) const;
62 int64 GetHash() const;
63 bool GetInAddr(struct in_addr* pipv4Addr) const;
64 std::vector<unsigned char> GetGroup() const;
68 CNetAddr(const struct in6_addr& pipv6Addr);
69 bool GetIn6Addr(struct in6_addr* pipv6Addr) const;
72 friend bool operator==(const CNetAddr& a, const CNetAddr& b);
73 friend bool operator!=(const CNetAddr& a, const CNetAddr& b);
74 friend bool operator<(const CNetAddr& a, const CNetAddr& b);
78 READWRITE(FLATDATA(ip));
82 /** A combnation of a network address (CNetAddr) and a (TCP) port */
83 class CService : public CNetAddr
86 unsigned short port; // host order
90 CService(const CNetAddr& ip, unsigned short port);
91 CService(const struct in_addr& ipv4Addr, unsigned short port);
92 CService(const struct sockaddr_in& addr);
93 explicit CService(const char *pszIpPort, int portDefault, bool fAllowLookup = false);
94 explicit CService(const char *pszIpPort, bool fAllowLookup = false);
95 explicit CService(const std::string& strIpPort, int portDefault, bool fAllowLookup = false);
96 explicit CService(const std::string& strIpPort, bool fAllowLookup = false);
98 void SetPort(unsigned short portIn);
99 unsigned short GetPort() const;
100 bool GetSockAddr(struct sockaddr_in* paddr) const;
101 friend bool operator==(const CService& a, const CService& b);
102 friend bool operator!=(const CService& a, const CService& b);
103 friend bool operator<(const CService& a, const CService& b);
104 std::vector<unsigned char> GetKey() const;
105 std::string ToString() const;
106 std::string ToStringPort() const;
107 std::string ToStringIPPort() const;
111 CService(const struct in6_addr& ipv6Addr, unsigned short port);
112 bool GetSockAddr6(struct sockaddr_in6* paddr) const;
113 CService(const struct sockaddr_in6& addr);
118 CService* pthis = const_cast<CService*>(this);
119 READWRITE(FLATDATA(ip));
120 unsigned short portN = htons(port);
123 pthis->port = ntohs(portN);
127 bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions = 0, bool fAllowLookup = true);
128 bool LookupHostNumeric(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions = 0);
129 bool Lookup(const char *pszName, CService& addr, int portDefault = 0, bool fAllowLookup = true);
130 bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault = 0, bool fAllowLookup = true, unsigned int nMaxSolutions = 0);
131 bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0);
132 bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout = nConnectTimeout);
135 extern int fUseProxy;
136 extern CService addrProxy;