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// Copyright (c) 2011 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_NETBASE_H
#define BITCOIN_NETBASE_H
#include <string>
#include <vector>
#ifdef WIN32
#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>
#endif
#ifdef BSD
#include <netinet/in.h>
#endif
#include "serialize.h"
typedef int SOCKET;
extern int nConnectTimeout;
// IP address (IPv6, or IPv4 using mapped IPv6 range (::FFFF:0:0/96))
class CIP
{
protected:
unsigned char ip[16]; // in network byte order
public:
CIP();
CIP(const struct in_addr& ipv4Addr);
CIP(const char *pszIp, bool fAllowLookup = false);
CIP(const std::string &strIp, bool fAllowLookup = false);
void Init();
void SetIP(const CIP& 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 tunneling (2002::/16)
bool IsRFC4193() const; // IPv6 unique local (FC00::/15)
bool IsRFC4380() const; // IPv6 Teredo tunneling (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;
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
CIP(const struct in6_addr& pipv6Addr);
bool GetIn6Addr(struct in6_addr* pipv6Addr) const;
#endif
friend bool operator==(const CIP& a, const CIP& b);
friend bool operator!=(const CIP& a, const CIP& b);
friend bool operator<(const CIP& a, const CIP& b);
IMPLEMENT_SERIALIZE
(
READWRITE(FLATDATA(ip));
)
};
class CIPPort : public CIP
{
protected:
unsigned short port; // host order
public:
CIPPort();
CIPPort(const CIP& ip, unsigned short port);
CIPPort(const struct in_addr& ipv4Addr, unsigned short port);
CIPPort(const struct sockaddr_in& addr);
CIPPort(const char *pszIp, int port, bool fAllowLookup = false);
CIPPort(const char *pszIpPort, bool fAllowLookup = false);
CIPPort(const std::string& strIp, int port, bool fAllowLookup = false);
CIPPort(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;
bool ConnectSocket(SOCKET& hSocketRet, int nTimeout = nConnectTimeout) const;
friend bool operator==(const CIPPort& a, const CIPPort& b);
friend bool operator!=(const CIPPort& a, const CIPPort& b);
friend bool operator<(const CIPPort& a, const CIPPort& b);
std::vector<unsigned char> GetKey() const;
std::string ToString() const;
void print() const;
#ifdef USE_IPV6
CIPPort(const struct in6_addr& ipv6Addr, unsigned short port);
bool GetSockAddr6(struct sockaddr_in6* paddr) const;
CIPPort(const struct sockaddr_in6& addr);
#endif
IMPLEMENT_SERIALIZE
(
CIPPort* pthis = const_cast<CIPPort*>(this);
READWRITE(FLATDATA(ip));
unsigned short portN = htons(port);
READWRITE(portN);
if (fRead)
pthis->port = ntohs(portN);
)
};
bool LookupHost(const char *pszName, std::vector<CIP>& vIP, int nMaxSolutions = 0, bool fAllowLookup = true);
bool LookupHostNumeric(const char *pszName, std::vector<CIP>& vIP, int nMaxSolutions = 0);
bool Lookup(const char *pszName, CIPPort& addr, int portDefault = 0, bool fAllowLookup = true);
bool LookupNumeric(const char *pszName, CIPPort& addr, int portDefault = 0);
// Settings
extern int fUseProxy;
extern CIPPort addrProxy;
#endif