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Diffstat (limited to 'src/netbase.h')
-rw-r--r-- | src/netbase.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/netbase.h b/src/netbase.h new file mode 100644 index 0000000000..2543a02248 --- /dev/null +++ b/src/netbase.h @@ -0,0 +1,138 @@ +// Copyright (c) 2009-2012 The Bitcoin developers +// Distributed under the MIT/X11 software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. +#ifndef BITCOIN_NETBASE_H +#define BITCOIN_NETBASE_H + +#include <string> +#include <vector> + +#ifdef WIN32 +#define _WIN32_WINNT 0x0501 +#include <winsock2.h> +#include <mswsock.h> +#include <ws2tcpip.h> +#else +#include <sys/types.h> +#include <sys/socket.h> +#include <arpa/inet.h> +#include <netdb.h> +#include <net/if.h> +#include <ifaddrs.h> +#include <netinet/in.h> +#endif + +#include "serialize.h" +#include "compat.h" + +extern int nConnectTimeout; + + +/** IP address (IPv6, or IPv4 using mapped IPv6 range (::FFFF:0:0/96)) */ +class CNetAddr +{ + protected: + unsigned char ip[16]; // in network byte order + + public: + CNetAddr(); + CNetAddr(const struct in_addr& ipv4Addr); + explicit CNetAddr(const char *pszIp, bool fAllowLookup = false); + explicit CNetAddr(const std::string &strIp, bool fAllowLookup = false); + void Init(); + void SetIP(const CNetAddr& ip); + bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0) + bool IsRFC1918() const; // IPv4 private networks (10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12) + bool IsRFC3849() const; // IPv6 documentation address (2001:0DB8::/32) + bool IsRFC3927() const; // IPv4 autoconfig (169.254.0.0/16) + bool IsRFC3964() const; // IPv6 6to4 tunnelling (2002::/16) + bool IsRFC4193() const; // IPv6 unique local (FC00::/15) + bool IsRFC4380() const; // IPv6 Teredo tunnelling (2001::/32) + bool IsRFC4843() const; // IPv6 ORCHID (2001:10::/28) + bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64) + bool IsRFC6052() const; // IPv6 well-known prefix (64:FF9B::/96) + bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96) + bool IsLocal() const; + bool IsRoutable() const; + bool IsValid() const; + bool IsMulticast() const; + std::string ToString() const; + std::string ToStringIP() const; + int GetByte(int n) const; + int64 GetHash() const; + bool GetInAddr(struct in_addr* pipv4Addr) const; + std::vector<unsigned char> GetGroup() const; + void print() const; + +#ifdef USE_IPV6 + CNetAddr(const struct in6_addr& pipv6Addr); + bool GetIn6Addr(struct in6_addr* pipv6Addr) const; +#endif + + friend bool operator==(const CNetAddr& a, const CNetAddr& b); + friend bool operator!=(const CNetAddr& a, const CNetAddr& b); + friend bool operator<(const CNetAddr& a, const CNetAddr& b); + + IMPLEMENT_SERIALIZE + ( + READWRITE(FLATDATA(ip)); + ) +}; + +/** A combnation of a network address (CNetAddr) and a (TCP) port */ +class CService : public CNetAddr +{ + protected: + unsigned short port; // host order + + public: + CService(); + CService(const CNetAddr& ip, unsigned short port); + CService(const struct in_addr& ipv4Addr, unsigned short port); + CService(const struct sockaddr_in& addr); + explicit CService(const char *pszIpPort, int portDefault, bool fAllowLookup = false); + explicit CService(const char *pszIpPort, bool fAllowLookup = false); + explicit CService(const std::string& strIpPort, int portDefault, bool fAllowLookup = false); + explicit CService(const std::string& strIpPort, bool fAllowLookup = false); + void Init(); + void SetPort(unsigned short portIn); + unsigned short GetPort() const; + bool GetSockAddr(struct sockaddr_in* paddr) const; + friend bool operator==(const CService& a, const CService& b); + friend bool operator!=(const CService& a, const CService& b); + friend bool operator<(const CService& a, const CService& b); + std::vector<unsigned char> GetKey() const; + std::string ToString() const; + std::string ToStringPort() const; + std::string ToStringIPPort() const; + void print() const; + +#ifdef USE_IPV6 + CService(const struct in6_addr& ipv6Addr, unsigned short port); + bool GetSockAddr6(struct sockaddr_in6* paddr) const; + CService(const struct sockaddr_in6& addr); +#endif + + IMPLEMENT_SERIALIZE + ( + CService* pthis = const_cast<CService*>(this); + READWRITE(FLATDATA(ip)); + unsigned short portN = htons(port); + READWRITE(portN); + if (fRead) + pthis->port = ntohs(portN); + ) +}; + +bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions = 0, bool fAllowLookup = true); +bool LookupHostNumeric(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions = 0); +bool Lookup(const char *pszName, CService& addr, int portDefault = 0, bool fAllowLookup = true); +bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault = 0, bool fAllowLookup = true, unsigned int nMaxSolutions = 0); +bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0); +bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout = nConnectTimeout); + +// Settings +extern int fUseProxy; +extern CService addrProxy; + +#endif |