// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 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.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "netbase.h"
#include "util.h"
static const unsigned char pchIPv4[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff };
-bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions, bool fAllowLookup)
+bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)
{
vIP.clear();
struct addrinfo aiHint;
return (vIP.size() > 0);
}
-bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions, bool fAllowLookup)
+bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)
{
if (pszName[0] == 0)
return false;
return LookupIntern(pszHost, vIP, nMaxSolutions, fAllowLookup);
}
-bool LookupHostNumeric(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions)
+bool LookupHostNumeric(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions)
{
return LookupHost(pszName, vIP, nMaxSolutions, false);
}
-bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault, bool fAllowLookup, int nMaxSolutions)
+bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions)
{
if (pszName[0] == 0)
return false;
if (!fRet)
return false;
vAddr.resize(vIP.size());
- for (int i = 0; i < vIP.size(); i++)
+ for (unsigned int i = 0; i < vIP.size(); i++)
vAddr[i] = CService(vIP[i], port);
return true;
}
bool CNetAddr::IsRFC4843() const
{
- return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x00 && GetByte(12) & 0xF0 == 0x10);
+ return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x00 && (GetByte(12) & 0xF0) == 0x10);
}
bool CNetAddr::IsLocal() const
std::vector<unsigned char> CNetAddr::GetGroup() const
{
std::vector<unsigned char> vchRet;
- int nClass = 0; // 0=IPv6, 1=IPv4, 255=unroutable
+ int nClass = 0; // 0=IPv6, 1=IPv4, 254=local, 255=unroutable
int nStartByte = 0;
int nBits = 16;
- // for unroutable addresses, each address is considered different
+ // all local addresses belong to the same group
+ if (IsLocal())
+ {
+ nClass = 254;
+ nBits = 0;
+ }
+
+ // all unroutable addresses belong to the same group
if (!IsRoutable())
{
nClass = 255;
- nBits = 128;
+ nBits = 0;
}
// for IPv4 addresses, '1' + the 16 higher-order bits of the IP
// includes mapped IPv4, SIIT translated IPv4, and the well-known prefix
*this = ip;
}
-CService::CService(const char *pszIp, int portIn, bool fAllowLookup)
+CService::CService(const char *pszIpPort, int portDefault, bool fAllowLookup)
{
- std::vector<CNetAddr> ip;
- if (LookupHost(pszIp, ip, 1, fAllowLookup))
- *this = CService(ip[0], portIn);
+ Init();
+ CService ip;
+ if (Lookup(pszIpPort, ip, portDefault, fAllowLookup))
+ *this = ip;
}
CService::CService(const std::string &strIpPort, bool fAllowLookup)
*this = ip;
}
-CService::CService(const std::string &strIp, int portIn, bool fAllowLookup)
+CService::CService(const std::string &strIpPort, int portDefault, bool fAllowLookup)
{
- std::vector<CNetAddr> ip;
- if (LookupHost(strIp.c_str(), ip, 1, fAllowLookup))
- *this = CService(ip[0], portIn);
+ Init();
+ CService ip;
+ if (Lookup(strIpPort.c_str(), ip, portDefault, fAllowLookup))
+ *this = ip;
}
unsigned short CService::GetPort() const