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
12 #define WIN32_LEAN_AND_MEAN 1
20 #include <sys/types.h>
21 #include <sys/socket.h>
22 #include <arpa/inet.h>
28 #include <netinet/in.h>
31 #include "serialize.h"
34 extern int nConnectTimeout;
37 // In MSVC, this is defined as a macro, undefine it to prevent a compile and link error
41 /** IP address (IPv6, or IPv4 using mapped IPv6 range (::FFFF:0:0/96)) */
45 unsigned char ip[16]; // in network byte order
49 CNetAddr(const struct in_addr& ipv4Addr);
50 explicit CNetAddr(const char *pszIp, bool fAllowLookup = false);
51 explicit CNetAddr(const std::string &strIp, bool fAllowLookup = false);
53 void SetIP(const CNetAddr& ip);
54 bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0)
55 bool IsRFC1918() const; // IPv4 private networks (10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12)
56 bool IsRFC3849() const; // IPv6 documentation address (2001:0DB8::/32)
57 bool IsRFC3927() const; // IPv4 autoconfig (169.254.0.0/16)
58 bool IsRFC3964() const; // IPv6 6to4 tunneling (2002::/16)
59 bool IsRFC4193() const; // IPv6 unique local (FC00::/15)
60 bool IsRFC4380() const; // IPv6 Teredo tunneling (2001::/32)
61 bool IsRFC4843() const; // IPv6 ORCHID (2001:10::/28)
62 bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64)
63 bool IsRFC6052() const; // IPv6 well-known prefix (64:FF9B::/96)
64 bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96)
66 bool IsRoutable() const;
68 bool IsMulticast() const;
69 std::string ToString() const;
70 std::string ToStringIP() const;
71 int GetByte(int n) const;
72 int64 GetHash() const;
73 bool GetInAddr(struct in_addr* pipv4Addr) const;
74 std::vector<unsigned char> GetGroup() const;
78 CNetAddr(const struct in6_addr& pipv6Addr);
79 bool GetIn6Addr(struct in6_addr* pipv6Addr) const;
82 friend bool operator==(const CNetAddr& a, const CNetAddr& b);
83 friend bool operator!=(const CNetAddr& a, const CNetAddr& b);
84 friend bool operator<(const CNetAddr& a, const CNetAddr& b);
88 READWRITE(FLATDATA(ip));
92 /** A combination of a network address (CNetAddr) and a (TCP) port */
93 class CService : public CNetAddr
96 unsigned short port; // host order
100 CService(const CNetAddr& ip, unsigned short port);
101 CService(const struct in_addr& ipv4Addr, unsigned short port);
102 CService(const struct sockaddr_in& addr);
103 explicit CService(const char *pszIpPort, int portDefault, bool fAllowLookup = false);
104 explicit CService(const char *pszIpPort, bool fAllowLookup = false);
105 explicit CService(const std::string& strIpPort, int portDefault, bool fAllowLookup = false);
106 explicit CService(const std::string& strIpPort, bool fAllowLookup = false);
108 void SetPort(unsigned short portIn);
109 unsigned short GetPort() const;
110 bool GetSockAddr(struct sockaddr_in* paddr) const;
111 friend bool operator==(const CService& a, const CService& b);
112 friend bool operator!=(const CService& a, const CService& b);
113 friend bool operator<(const CService& a, const CService& b);
114 std::vector<unsigned char> GetKey() const;
115 std::string ToString() const;
116 std::string ToStringPort() const;
117 std::string ToStringIPPort() const;
121 CService(const struct in6_addr& ipv6Addr, unsigned short port);
122 bool GetSockAddr6(struct sockaddr_in6* paddr) const;
123 CService(const struct sockaddr_in6& addr);
128 CService* pthis = const_cast<CService*>(this);
129 READWRITE(FLATDATA(ip));
130 unsigned short portN = htons(port);
133 pthis->port = ntohs(portN);
137 bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions = 0, bool fAllowLookup = true);
138 bool LookupHostNumeric(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions = 0);
139 bool Lookup(const char *pszName, CService& addr, int portDefault = 0, bool fAllowLookup = true);
140 bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault = 0, bool fAllowLookup = true, int nMaxSolutions = 0);
141 bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0);
142 bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout = nConnectTimeout);
145 extern int fUseProxy;
146 extern CService addrProxy;