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kevacoin/src/netbase.h

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Update all copyrights to 2012
13 years ago
// Copyright (c) 2009-2012 The Bitcoin developers
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
// Distributed under the MIT/X11 software license, see the accompanying
Update License in File Headers I originally created a pull to replace the "COPYING" in crypter.cpp and crypter.h, but it turned out that COPYING was actually the correct file.
13 years ago
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
#ifndef BITCOIN_NETBASE_H
#define BITCOIN_NETBASE_H
#include <string>
#include <vector>
#include "serialize.h"
#include "compat.h"
extern int nConnectTimeout;
VC2010 compile fixes
13 years ago
#ifdef WIN32
// In MSVC, this is defined as a macro, undefine it to prevent a compile and link error
#undef SetPort
#endif
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
Limited relaying/storing of foreign addresses Introduce a boolean variable for each "network" (ipv4, ipv6, tor, i2p), and track whether we are likely to able to connect to it. Addresses in "addr" messages outside of our network get limited relaying and are not stored in addrman.
13 years ago
enum Network
{
NET_UNROUTABLE,
NET_IPV4,
NET_IPV6,
NET_TOR,
Rewrite CNetAddr::GetReachabilityFrom() Add support for Tor/I2P networks, and make code more readable.
13 years ago
NET_MAX,
Limited relaying/storing of foreign addresses Introduce a boolean variable for each "network" (ipv4, ipv6, tor, i2p), and track whether we are likely to able to connect to it. Addresses in "addr" messages outside of our network get limited relaying and are not stored in addrman.
13 years ago
};
Rework network config settings
13 years ago
extern int nConnectTimeout;
extern bool fNameLookup;
Limited relaying/storing of foreign addresses Introduce a boolean variable for each "network" (ipv4, ipv6, tor, i2p), and track whether we are likely to able to connect to it. Addresses in "addr" messages outside of our network get limited relaying and are not stored in addrman.
13 years ago
Begin doxygen-compatible comments
13 years ago
/** IP address (IPv6, or IPv4 using mapped IPv6 range (::FFFF:0:0/96)) */
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
class CNetAddr
{
protected:
unsigned char ip[16]; // in network byte order
public:
CNetAddr();
CNetAddr(const struct in_addr& ipv4Addr);
Fix handling of default ports
13 years ago
explicit CNetAddr(const char *pszIp, bool fAllowLookup = false);
explicit CNetAddr(const std::string &strIp, bool fAllowLookup = false);
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
void Init();
void SetIP(const CNetAddr& ip);
Remove I2P support from netbase I2P apparently needs 256 bits to store a fully routable address. Garlicat requires a centralized lookup service to map the 80-bit addresses to fully routable ones (as far as I understood), so that's not really usable in our situation. To support I2P routing and peer exchange for it, another solution is needed. This will most likely imply a network protocol change, and extension of the 'addr' message.
12 years ago
bool SetSpecial(const std::string &strName); // for Tor addresses
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0)
Remove I2P support from netbase I2P apparently needs 256 bits to store a fully routable address. Garlicat requires a centralized lookup service to map the 80-bit addresses to fully routable ones (as far as I understood), so that's not really usable in our situation. To support I2P routing and peer exchange for it, another solution is needed. This will most likely imply a network protocol change, and extension of the 'addr' message.
12 years ago
bool IsIPv6() const; // IPv6 address (not mapped IPv4, not Tor)
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
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)
Bugfix: Fix a variety of misspellings
12 years ago
bool IsRFC3964() const; // IPv6 6to4 tunnelling (2002::/16)
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
bool IsRFC4193() const; // IPv6 unique local (FC00::/15)
Bugfix: Fix a variety of misspellings
12 years ago
bool IsRFC4380() const; // IPv6 Teredo tunnelling (2001::/32)
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
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)
Node support for Tor hidden services This commit adds support for .onion addresses (mapped into the IPv6 by using OnionCat's range and encoding), and the ability to connect to them via a SOCKS5 proxy.
13 years ago
bool IsTor() const;
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
bool IsLocal() const;
bool IsRoutable() const;
bool IsValid() const;
bool IsMulticast() const;
Limited relaying/storing of foreign addresses Introduce a boolean variable for each "network" (ipv4, ipv6, tor, i2p), and track whether we are likely to able to connect to it. Addresses in "addr" messages outside of our network get limited relaying and are not stored in addrman.
13 years ago
enum Network GetNetwork() const;
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
std::string ToString() const;
std::string ToStringIP() const;
fix signed/unsigned in strprintf and CNetAddr::GetByte() - I checked every occurance of strprintf() in the code and used %u, where unsigned vars are used - the change to GetByte() was made, as ip is an unsigned char
12 years ago
unsigned int GetByte(int n) const;
Make CNetAddr::GetHash() return an unsigned val. This prevents an undefined operation in main.cpp, when shifting the hash value left by 32 bits. Shifting a signed int left into the sign bit is undefined in C++11.
13 years ago
uint64 GetHash() const;
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
bool GetInAddr(struct in_addr* pipv4Addr) const;
std::vector<unsigned char> GetGroup() const;
Support for multiple local addresses
13 years ago
int GetReachabilityFrom(const CNetAddr *paddrPartner = NULL) const;
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
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));
)
};
fixed typo in comment in netbase.h and bignum.h
13 years ago
/** A combination of a network address (CNetAddr) and a (TCP) port */
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
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);
Fix handling of default ports
13 years ago
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);
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
void Init();
void SetPort(unsigned short portIn);
unsigned short GetPort() const;
Separate listening sockets, -bind=<addr>
13 years ago
bool GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const;
bool SetSockAddr(const struct sockaddr* paddr);
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
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);
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);
)
};
add LOCK() for proxy related data-structures - fix #1560 by properly locking proxy related data-structures - update GetProxy() and introduce GetNameProxy() to be able to use a thread-safe local copy from proxyInfo and nameproxyInfo - update usage of GetProxy() all over the source to match the new behaviour, as it now fills a full proxyType object - rename GetNameProxy() into HaveNameProxy() to be more clear
12 years ago
typedef std::pair<CService, int> proxyType;
Rework network config settings
13 years ago
enum Network ParseNetwork(std::string net);
Improve parsing of IPv6 addresses Implement the following rules: * Interpret [X]:Y as host=X port=Y, if Y is an integer * Interpret X:Y as host=X port=Y, if Y is an integer and X contains no colon * Interpret X:Y as host=X:Y port=default otherwise
13 years ago
void SplitHostPort(std::string in, int &portOut, std::string &hostOut);
Rework network config settings
13 years ago
bool SetProxy(enum Network net, CService addrProxy, int nSocksVersion = 5);
add LOCK() for proxy related data-structures - fix #1560 by properly locking proxy related data-structures - update GetProxy() and introduce GetNameProxy() to be able to use a thread-safe local copy from proxyInfo and nameproxyInfo - update usage of GetProxy() all over the source to match the new behaviour, as it now fills a full proxyType object - rename GetNameProxy() into HaveNameProxy() to be more clear
12 years ago
bool GetProxy(enum Network net, proxyType &proxyInfoOut);
Rework network config settings
13 years ago
bool IsProxy(const CNetAddr &addr);
bool SetNameProxy(CService addrProxy, int nSocksVersion = 5);
add LOCK() for proxy related data-structures - fix #1560 by properly locking proxy related data-structures - update GetProxy() and introduce GetNameProxy() to be able to use a thread-safe local copy from proxyInfo and nameproxyInfo - update usage of GetProxy() all over the source to match the new behaviour, as it now fills a full proxyType object - rename GetNameProxy() into HaveNameProxy() to be more clear
12 years ago
bool HaveNameProxy();
Fix sign-compare warnings: netbase's Lookup* max-solutions may be unsigned
13 years ago
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);
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
bool Lookup(const char *pszName, CService& addr, int portDefault = 0, bool fAllowLookup = true);
Fix sign-compare warnings: netbase's Lookup* max-solutions may be unsigned
13 years ago
bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault = 0, bool fAllowLookup = true, unsigned int nMaxSolutions = 0);
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0);
bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout = nConnectTimeout);
Support connecting by hostnames passed to proxy (-proxydns)
13 years ago
bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest, int portDefault = 0, int nTimeout = nConnectTimeout);
Network stack refactor This introduces CNetAddr and CService, respectively wrapping an (IPv6) IP address and an IP+port combination. This functionality used to be part of CAddress, which also contains network flags and connection attempt information. These extra fields are however not always necessary. These classes, along with logic for creating connections and doing name lookups, are moved to netbase.{h,cpp}, which does not depend on headers.h. Furthermore, CNetAddr is mostly IPv6-ready, though IPv6 functionality is not yet enabled for the application itself.
13 years ago
#endif