Pieter Wuille
13 years ago
8 changed files with 3367 additions and 31 deletions
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@@ -0,0 +1,740 @@
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// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2011 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file license.txt or http://www.opensource.org/licenses/mit-license.php.
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#define BSD_SOURCE |
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#include <string.h> |
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#include <errno.h> |
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#include <stdarg.h> |
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#include "netbase.h" |
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#include "util.h" |
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#ifndef WIN32 |
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#include <sys/fcntl.h> |
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#endif |
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using namespace std; |
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string strprintf(const std::string &format, ...) |
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{ |
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char buffer[50000]; |
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char* p = buffer; |
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int limit = sizeof(buffer); |
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int ret; |
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loop |
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{ |
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va_list arg_ptr; |
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va_start(arg_ptr, format); |
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ret = vsnprintf(p, limit, format.c_str(), arg_ptr); |
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va_end(arg_ptr); |
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if (ret >= 0 && ret < limit) |
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break; |
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if (p != buffer) |
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delete[] p; |
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limit *= 2; |
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p = new char[limit]; |
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if (p == NULL) |
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throw std::bad_alloc(); |
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} |
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string str(p, p+ret); |
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if (p != buffer) |
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delete[] p; |
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return str; |
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} |
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int nConnectTimeout = 5000; |
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static const unsigned char pchIPv4[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff }; |
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bool static LookupIntern(const char *pszName, std::vector<CIP>& vIP, int nMaxSolutions, bool fAllowLookup) |
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{ |
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vIP.clear(); |
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struct addrinfo aiHint = {}; |
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aiHint.ai_socktype = SOCK_STREAM; |
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aiHint.ai_protocol = IPPROTO_TCP; |
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#ifdef WIN32 |
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# ifdef USE_IPV6 |
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aiHint.ai_family = AF_UNSPEC; |
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aiHint.ai_flags = fAllowLookup ? 0 : AI_NUMERICHOST; |
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# else |
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aiHint.ai_family = AF_INET; |
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aiHint.ai_flags = fAllowLookup ? 0 : AI_NUMERICHOST; |
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# endif |
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#else |
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# ifdef USE_IPV6 |
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aiHint.ai_family = AF_UNSPEC; |
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aiHint.ai_flags = AI_ADDRCONFIG | (fAllowLookup ? 0 : AI_NUMERICHOST); |
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# else |
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aiHint.ai_family = AF_INET; |
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aiHint.ai_flags = AI_ADDRCONFIG | (fAllowLookup ? 0 : AI_NUMERICHOST); |
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# endif |
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#endif |
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struct addrinfo *aiRes = NULL; |
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int nErr = getaddrinfo(pszName, NULL, &aiHint, &aiRes); |
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if (nErr) |
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return false; |
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struct addrinfo *aiTrav = aiRes; |
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while (aiTrav != NULL && (nMaxSolutions == 0 || vIP.size() < nMaxSolutions)) |
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{ |
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if (aiTrav->ai_family == AF_INET) |
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{ |
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assert(aiTrav->ai_addrlen >= sizeof(sockaddr_in)); |
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vIP.push_back(CIP(((struct sockaddr_in*)(aiTrav->ai_addr))->sin_addr)); |
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} |
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#ifdef USE_IPV6 |
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if (aiTrav->ai_family == AF_INET6) |
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{ |
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assert(aiTrav->ai_addrlen >= sizeof(sockaddr_in6)); |
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vIP.push_back(CIP(((struct sockaddr_in6*)(aiTrav->ai_addr))->sin6_addr)); |
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} |
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#endif |
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aiTrav = aiTrav->ai_next; |
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} |
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freeaddrinfo(aiRes); |
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return (vIP.size() > 0); |
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} |
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bool LookupHost(const char *pszName, std::vector<CIP>& vIP, int nMaxSolutions, bool fAllowLookup) |
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{ |
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if (pszName[0] == 0) |
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return false; |
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char psz[256]; |
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char *pszHost = psz; |
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strncpy(psz, pszName, sizeof(psz)-1); |
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psz[255] = 0; |
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if (psz[0] == '[' && psz[strlen(psz)-1] == ']') |
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{ |
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pszHost = psz+1; |
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psz[strlen(psz)-1] = 0; |
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} |
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return LookupIntern(pszHost, vIP, nMaxSolutions, fAllowLookup); |
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} |
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bool LookupHostNumeric(const char *pszName, std::vector<CIP>& vIP, int nMaxSolutions) |
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{ |
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return LookupHost(pszName, vIP, nMaxSolutions, false); |
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} |
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bool Lookup(const char *pszName, CIPPort& addr, int portDefault, bool fAllowLookup) |
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{ |
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if (pszName[0] == 0) |
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return false; |
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int port = portDefault; |
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char psz[256]; |
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char *pszHost = psz; |
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strncpy(psz, pszName, sizeof(psz)-1); |
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psz[255] = 0; |
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char* pszColon = strrchr(psz+1,':'); |
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char *pszPortEnd = NULL; |
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int portParsed = pszColon ? strtoul(pszColon+1, &pszPortEnd, 10) : 0; |
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if (pszColon && pszPortEnd && pszPortEnd[0] == 0) |
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{ |
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if (psz[0] == '[' && pszColon[-1] == ']') |
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{ |
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pszHost = psz+1; |
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pszColon[-1] = 0; |
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} |
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else |
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pszColon[0] = 0; |
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if (port >= 0 && port <= USHRT_MAX) |
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port = portParsed; |
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} |
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else |
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{ |
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if (psz[0] == '[' && psz[strlen(psz)-1] == ']') |
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{ |
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pszHost = psz+1; |
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psz[strlen(psz)-1] = 0; |
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} |
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} |
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std::vector<CIP> vIP; |
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bool fRet = LookupIntern(pszHost, vIP, 1, fAllowLookup); |
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if (!fRet) |
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return false; |
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addr = CIPPort(vIP[0], port); |
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return true; |
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} |
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bool LookupNumeric(const char *pszName, CIPPort& addr, int portDefault) |
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{ |
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return Lookup(pszName, addr, portDefault, false); |
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} |
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bool CIPPort::ConnectSocket(SOCKET& hSocketRet, int nTimeout) const |
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{ |
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hSocketRet = INVALID_SOCKET; |
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SOCKET hSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
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if (hSocket == INVALID_SOCKET) |
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return false; |
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#ifdef SO_NOSIGPIPE |
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int set = 1; |
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setsockopt(hSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&set, sizeof(int)); |
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#endif |
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bool fProxy = (fUseProxy && IsRoutable()); |
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struct sockaddr_in sockaddr; |
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if (fProxy) |
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addrProxy.GetSockAddr(&sockaddr); |
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else |
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GetSockAddr(&sockaddr); |
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#ifdef WIN32 |
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u_long fNonblock = 1; |
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if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR) |
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#else |
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int fFlags = fcntl(hSocket, F_GETFL, 0); |
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if (fcntl(hSocket, F_SETFL, fFlags | O_NONBLOCK) == -1) |
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#endif |
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{ |
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closesocket(hSocket); |
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return false; |
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} |
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if (connect(hSocket, (struct sockaddr*)&sockaddr, sizeof(sockaddr)) == SOCKET_ERROR) |
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{ |
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// WSAEINVAL is here because some legacy version of winsock uses it
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if (WSAGetLastError() == WSAEINPROGRESS || WSAGetLastError() == WSAEWOULDBLOCK || WSAGetLastError() == WSAEINVAL) |
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{ |
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struct timeval timeout; |
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timeout.tv_sec = nTimeout / 1000; |
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timeout.tv_usec = (nTimeout % 1000) * 1000; |
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fd_set fdset; |
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FD_ZERO(&fdset); |
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FD_SET(hSocket, &fdset); |
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int nRet = select(hSocket + 1, NULL, &fdset, NULL, &timeout); |
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if (nRet == 0) |
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{ |
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printf("connection timeout\n"); |
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closesocket(hSocket); |
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return false; |
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} |
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if (nRet == SOCKET_ERROR) |
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{ |
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printf("select() for connection failed: %i\n",WSAGetLastError()); |
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closesocket(hSocket); |
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return false; |
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} |
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socklen_t nRetSize = sizeof(nRet); |
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#ifdef WIN32 |
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if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, (char*)(&nRet), &nRetSize) == SOCKET_ERROR) |
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#else |
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if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, &nRet, &nRetSize) == SOCKET_ERROR) |
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#endif |
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{ |
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printf("getsockopt() for connection failed: %i\n",WSAGetLastError()); |
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closesocket(hSocket); |
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return false; |
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} |
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if (nRet != 0) |
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{ |
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printf("connect() failed after select(): %s\n",strerror(nRet)); |
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closesocket(hSocket); |
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return false; |
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} |
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} |
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#ifdef WIN32 |
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else if (WSAGetLastError() != WSAEISCONN) |
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#else |
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else |
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#endif |
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{ |
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printf("connect() failed: %i\n",WSAGetLastError()); |
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closesocket(hSocket); |
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return false; |
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} |
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} |
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// this isn't even strictly necessary
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// CNode::ConnectNode immediately turns the socket back to non-blocking
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// but we'll turn it back to blocking just in case
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#ifdef WIN32 |
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fNonblock = 0; |
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if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR) |
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#else |
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fFlags = fcntl(hSocket, F_GETFL, 0); |
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if (fcntl(hSocket, F_SETFL, fFlags & !O_NONBLOCK) == SOCKET_ERROR) |
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#endif |
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{ |
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closesocket(hSocket); |
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return false; |
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} |
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if (fProxy) |
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{ |
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printf("proxy connecting %s\n", ToString().c_str()); |
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char pszSocks4IP[] = "\4\1\0\0\0\0\0\0user"; |
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struct sockaddr_in addr; |
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GetSockAddr(&addr); |
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memcpy(pszSocks4IP + 2, &addr.sin_port, 2); |
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memcpy(pszSocks4IP + 4, &addr.sin_addr, 4); |
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char* pszSocks4 = pszSocks4IP; |
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int nSize = sizeof(pszSocks4IP); |
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int ret = send(hSocket, pszSocks4, nSize, MSG_NOSIGNAL); |
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if (ret != nSize) |
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{ |
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closesocket(hSocket); |
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return false; |
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} |
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char pchRet[8]; |
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if (recv(hSocket, pchRet, 8, 0) != 8) |
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{ |
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closesocket(hSocket); |
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return false; |
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} |
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if (pchRet[1] != 0x5a) |
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{ |
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closesocket(hSocket); |
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if (pchRet[1] != 0x5b) |
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printf("ERROR: Proxy returned error %d\n", pchRet[1]); |
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return false; |
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} |
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printf("proxy connected %s\n", ToString().c_str()); |
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} |
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hSocketRet = hSocket; |
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return true; |
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} |
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void CIP::Init() |
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{ |
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memset(ip, 0, 16); |
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} |
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void CIP::SetIP(const CIP& ipIn) |
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{ |
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memcpy(ip, ipIn.ip, sizeof(ip)); |
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} |
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CIP::CIP() |
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{ |
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Init(); |
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} |
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CIP::CIP(const struct in_addr& ipv4Addr) |
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{ |
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memcpy(ip, pchIPv4, 12); |
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memcpy(ip+12, &ipv4Addr, 4); |
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} |
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#ifdef USE_IPV6 |
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CIP::CIP(const struct in6_addr& ipv6Addr) |
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{ |
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memcpy(ip, &ipv6Addr, 16); |
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} |
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#endif |
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CIP::CIP(const char *pszIp, bool fAllowLookup) |
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{ |
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Init(); |
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std::vector<CIP> vIP; |
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if (LookupHost(pszIp, vIP, 1, fAllowLookup)) |
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*this = vIP[0]; |
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} |
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CIP::CIP(const std::string &strIp, bool fAllowLookup) |
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{ |
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Init(); |
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std::vector<CIP> vIP; |
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if (LookupHost(strIp.c_str(), vIP, 1, fAllowLookup)) |
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*this = vIP[0]; |
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} |
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int CIP::GetByte(int n) const |
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{ |
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return ip[15-n]; |
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} |
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bool CIP::IsIPv4() const |
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{ |
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return (memcmp(ip, pchIPv4, sizeof(pchIPv4)) == 0); |
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} |
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bool CIP::IsRFC1918() const |
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{ |
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return IsIPv4() && ( |
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GetByte(3) == 10 || |
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(GetByte(3) == 192 && GetByte(2) == 168) || |
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(GetByte(3) == 172 && (GetByte(2) >= 16 && GetByte(2) <= 31))); |
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} |
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bool CIP::IsRFC3927() const |
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{ |
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return IsIPv4() && (GetByte(3) == 169 && GetByte(2) == 254); |
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} |
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bool CIP::IsRFC3849() const |
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{ |
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return GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x0D && GetByte(12) == 0xB8; |
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} |
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bool CIP::IsRFC3964() const |
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{ |
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return (GetByte(15) == 0x20 && GetByte(14) == 0x02); |
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} |
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bool CIP::IsRFC6052() const |
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{ |
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static const unsigned char pchRFC6052[] = {0,0x64,0xFF,0x9B,0,0,0,0,0,0,0,0}; |
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return (memcmp(ip, pchRFC6052, sizeof(pchRFC6052)) == 0); |
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} |
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bool CIP::IsRFC4380() const |
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{ |
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return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0 && GetByte(12) == 0); |
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} |
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bool CIP::IsRFC4862() const |
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{ |
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static const unsigned char pchRFC4862[] = {0xFE,0x80,0,0,0,0,0,0}; |
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return (memcmp(ip, pchRFC4862, sizeof(pchRFC4862)) == 0); |
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} |
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bool CIP::IsRFC4193() const |
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{ |
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return ((GetByte(15) & 0xFE) == 0xFC); |
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} |
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bool CIP::IsRFC6145() const |
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{ |
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static const unsigned char pchRFC6145[] = {0,0,0,0,0,0,0,0,0xFF,0xFF,0,0}; |
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return (memcmp(ip, pchRFC6145, sizeof(pchRFC6145)) == 0); |
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} |
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bool CIP::IsRFC4843() const |
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{ |
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return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x00 && GetByte(12) & 0xF0 == 0x10); |
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} |
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bool CIP::IsLocal() const |
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{ |
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// IPv4 loopback
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if (IsIPv4() && (GetByte(3) == 127 || GetByte(3) == 0)) |
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return true; |
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// IPv6 loopback (::1/128)
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static const unsigned char pchLocal[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}; |
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if (memcmp(ip, pchLocal, 16) == 0) |
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return true; |
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return false; |
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} |
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bool CIP::IsMulticast() const |
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{ |
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return (IsIPv4() && (GetByte(3) & 0xF0) == 0xE0) |
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|| (GetByte(15) == 0xFF); |
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} |
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bool CIP::IsValid() const |
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{ |
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// Clean up 3-byte shifted addresses caused by garbage in size field
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// of addr messages from versions before 0.2.9 checksum.
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// Two consecutive addr messages look like this:
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// header20 vectorlen3 addr26 addr26 addr26 header20 vectorlen3 addr26 addr26 addr26...
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// so if the first length field is garbled, it reads the second batch
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// of addr misaligned by 3 bytes.
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if (memcmp(ip, pchIPv4+3, sizeof(pchIPv4)-3) == 0) |
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return false; |
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// unspecified IPv6 address (::/128)
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unsigned char ipNone[16] = {}; |
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if (memcmp(ip, ipNone, 16) == 0) |
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return false; |
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// documentation IPv6 address
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if (IsRFC3849()) |
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return false; |
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if (IsIPv4()) |
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{ |
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// INADDR_NONE
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uint32_t ipNone = INADDR_NONE; |
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if (memcmp(ip+12, &ipNone, 4) == 0) |
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return false; |
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// 0
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ipNone = 0; |
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if (memcmp(ip+12, &ipNone, 4) == 0) |
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return false; |
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} |
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return true; |
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} |
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bool CIP::IsRoutable() const |
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{ |
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return IsValid() && !(IsRFC1918() || IsRFC3927() || IsRFC4862() || IsRFC4193() || IsRFC4843() || IsLocal()); |
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} |
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std::string CIP::ToString() const |
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{ |
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if (IsIPv4()) |
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return strprintf("%u.%u.%u.%u", GetByte(3), GetByte(2), GetByte(1), GetByte(0)); |
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else |
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return strprintf("%x:%x:%x:%x:%x:%x:%x:%x", |
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GetByte(15) << 8 | GetByte(14), GetByte(13) << 8 | GetByte(12), |
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GetByte(11) << 8 | GetByte(10), GetByte(9) << 8 | GetByte(8), |
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GetByte(7) << 8 | GetByte(6), GetByte(5) << 8 | GetByte(4), |
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GetByte(3) << 8 | GetByte(2), GetByte(1) << 8 | GetByte(0)); |
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} |
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bool operator==(const CIP& a, const CIP& b) |
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{ |
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return (memcmp(a.ip, b.ip, 16) == 0); |
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} |
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bool operator!=(const CIP& a, const CIP& b) |
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{ |
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return (memcmp(a.ip, b.ip, 16) == 0); |
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} |
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bool operator<(const CIP& a, const CIP& b) |
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{ |
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return (memcmp(a.ip, b.ip, 16) <= 0); |
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} |
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bool CIP::GetInAddr(struct in_addr* pipv4Addr) const |
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{ |
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if (!IsIPv4()) |
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return false; |
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memcpy(pipv4Addr, ip+12, 4); |
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return true; |
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} |
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#ifdef USE_IPV6 |
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bool CIP::GetIn6Addr(struct in6_addr* pipv6Addr) const |
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{ |
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memcpy(pipv6Addr, ip, 16); |
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return true; |
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} |
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#endif |
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|
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// get canonical identifier of an address' group
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// no two connections will be attempted to addresses with the same group
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std::vector<unsigned char> CIP::GetGroup() const |
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{ |
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std::vector<unsigned char> vchRet; |
||||
int nClass = 0; // 0=IPv6, 1=IPv4, 255=unroutable
|
||||
int nStartByte = 0; |
||||
int nBits = 16; |
||||
|
||||
// for unroutable addresses, each address is considered different
|
||||
if (!IsRoutable()) |
||||
{ |
||||
nClass = 255; |
||||
nBits = 128; |
||||
} |
||||
// for IPv4 addresses, '1' + the 16 higher-order bits of the IP
|
||||
// includes mapped IPv4, SIIT translated IPv4, and the well-known prefix
|
||||
else if (IsIPv4() || IsRFC6145() || IsRFC6052()) |
||||
{ |
||||
nClass = 1; |
||||
nStartByte = 12; |
||||
} |
||||
// for 6to4 tunneled addresses, use the encapsulated IPv4 address
|
||||
else if (IsRFC3964()) |
||||
{ |
||||
nClass = 1; |
||||
nStartByte = 2; |
||||
} |
||||
// for Teredo-tunneled IPv6 addresses, use the encapsulated IPv4 address
|
||||
else if (IsRFC4380()) |
||||
{ |
||||
vchRet.push_back(1); |
||||
vchRet.push_back(GetByte(3) ^ 0xFF); |
||||
vchRet.push_back(GetByte(2) ^ 0xFF); |
||||
return vchRet; |
||||
} |
||||
// for he.net, use /36 groups
|
||||
else if (GetByte(15) == 0x20 && GetByte(14) == 0x11 && GetByte(13) == 0x04 && GetByte(12) == 0x70) |
||||
nBits = 36; |
||||
// for the rest of the IPv6 network, use /32 groups
|
||||
else |
||||
nBits = 32; |
||||
|
||||
vchRet.push_back(nClass); |
||||
while (nBits >= 8) |
||||
{ |
||||
vchRet.push_back(GetByte(15 - nStartByte)); |
||||
nStartByte++; |
||||
nBits -= 8; |
||||
} |
||||
if (nBits > 0) |
||||
vchRet.push_back(GetByte(15 - nStartByte) | ((1 << nBits) - 1)); |
||||
|
||||
return vchRet; |
||||
} |
||||
|
||||
int64 CIP::GetHash() const |
||||
{ |
||||
if (IsIPv4()) |
||||
{ |
||||
// reconstruct ip in reversed-byte order
|
||||
// (the original definition of the randomizer used network-order integers on little endian architecture)
|
||||
int64 ip = GetByte(0) << 24 + GetByte(1) << 16 + GetByte(2) << 8 + GetByte(3); |
||||
return ip * 7789; |
||||
} |
||||
|
||||
// for IPv6 addresses, use separate multipliers for each byte
|
||||
// these numbers are from the hexadecimal expansion of 3/Pi:
|
||||
static const int64 nByteMult[16] = |
||||
{0xF4764525, 0x75661FBE, 0xFA3B03BA, 0xEFCF4CA1, 0x4913E065, 0xDA655862, 0xFD7A1581, 0xCE19A812, |
||||
0x92B6A557, 0x6374BC50, 0x096DC65F, 0x0EBA5B2B, 0x7D2CE0AB, 0x09BE7ADE, 0x5CC350EF, 0xC618E6C7}; |
||||
int64 nRet = 0; |
||||
for (int n=0; n<16; n++) |
||||
nRet += nByteMult[n]*GetByte(n); |
||||
return nRet; |
||||
} |
||||
|
||||
void CIP::print() const |
||||
{ |
||||
printf("CIP(%s)\n", ToString().c_str()); |
||||
} |
||||
|
||||
void CIPPort::Init() |
||||
{ |
||||
port = 0; |
||||
} |
||||
|
||||
CIPPort::CIPPort() |
||||
{ |
||||
Init(); |
||||
} |
||||
|
||||
CIPPort::CIPPort(const CIP& cip, unsigned short portIn) : CIP(cip), port(portIn) |
||||
{ |
||||
} |
||||
|
||||
CIPPort::CIPPort(const struct in_addr& ipv4Addr, unsigned short portIn) : CIP(ipv4Addr), port(portIn) |
||||
{ |
||||
} |
||||
|
||||
#ifdef USE_IPV6 |
||||
CIPPort::CIPPort(const struct in6_addr& ipv6Addr, unsigned short portIn) : CIP(ipv6Addr), port(portIn) |
||||
{ |
||||
} |
||||
#endif |
||||
|
||||
CIPPort::CIPPort(const struct sockaddr_in& addr) : CIP(addr.sin_addr), port(ntohs(addr.sin_port)) |
||||
{ |
||||
assert(addr.sin_family == AF_INET); |
||||
} |
||||
|
||||
#ifdef USE_IPV6 |
||||
CIPPort::CIPPort(const struct sockaddr_in6 &addr) : CIP(addr.sin6_addr), port(ntohs(addr.sin6_port)) |
||||
{ |
||||
assert(addr.sin6_family == AF_INET6); |
||||
} |
||||
#endif |
||||
|
||||
CIPPort::CIPPort(const char *pszIpPort, bool fAllowLookup) |
||||
{ |
||||
Init(); |
||||
CIPPort ip; |
||||
if (Lookup(pszIpPort, ip, 0, fAllowLookup)) |
||||
*this = ip; |
||||
} |
||||
|
||||
CIPPort::CIPPort(const char *pszIp, int portIn, bool fAllowLookup) |
||||
{ |
||||
std::vector<CIP> ip; |
||||
if (LookupHost(pszIp, ip, 1, fAllowLookup)) |
||||
*this = CIPPort(ip[0], portIn); |
||||
} |
||||
|
||||
CIPPort::CIPPort(const std::string &strIpPort, bool fAllowLookup) |
||||
{ |
||||
Init(); |
||||
CIPPort ip; |
||||
if (Lookup(strIpPort.c_str(), ip, 0, fAllowLookup)) |
||||
*this = ip; |
||||
} |
||||
|
||||
CIPPort::CIPPort(const std::string &strIp, int portIn, bool fAllowLookup) |
||||
{ |
||||
std::vector<CIP> ip; |
||||
if (LookupHost(strIp.c_str(), ip, 1, fAllowLookup)) |
||||
*this = CIPPort(ip[0], portIn); |
||||
} |
||||
|
||||
unsigned short CIPPort::GetPort() const |
||||
{ |
||||
return port; |
||||
} |
||||
|
||||
bool operator==(const CIPPort& a, const CIPPort& b) |
||||
{ |
||||
return (operator==((CIP)a, (CIP)b) && a.port == b.port); |
||||
} |
||||
|
||||
bool operator!=(const CIPPort& a, const CIPPort& b) |
||||
{ |
||||
return (operator!=((CIP)a, (CIP)b) || a.port != b.port); |
||||
} |
||||
|
||||
bool operator<(const CIPPort& a, const CIPPort& b) |
||||
{ |
||||
return (operator<((CIP)a, (CIP)b) || a.port < b.port); |
||||
} |
||||
|
||||
bool CIPPort::GetSockAddr(struct sockaddr_in* paddr) const |
||||
{ |
||||
if (!IsIPv4()) |
||||
return false; |
||||
memset(paddr, 0, sizeof(struct sockaddr_in)); |
||||
if (!GetInAddr(&paddr->sin_addr)) |
||||
return false; |
||||
paddr->sin_family = AF_INET; |
||||
paddr->sin_port = htons(port); |
||||
} |
||||
|
||||
#ifdef USE_IPV6 |
||||
bool CIPPort::GetSockAddr6(struct sockaddr_in6* paddr) const |
||||
{ |
||||
memset(paddr, 0, sizeof(struct sockaddr_in6)); |
||||
if (!GetIn6Addr(&paddr->sin6_addr)) |
||||
return false; |
||||
paddr->sin6_family = AF_INET6; |
||||
paddr->sin6_port = htons(port); |
||||
} |
||||
#endif |
||||
|
||||
std::vector<unsigned char> CIPPort::GetKey() const |
||||
{ |
||||
std::vector<unsigned char> vKey; |
||||
vKey.resize(18); |
||||
memcpy(&vKey[0], ip, 16); |
||||
vKey[16] = port / 0x100; |
||||
vKey[17] = port & 0x0FF; |
||||
return vKey; |
||||
} |
||||
|
||||
std::string CIPPort::ToString() const |
||||
{ |
||||
return CIP::ToString() + strprintf(":%i", port); |
||||
} |
||||
|
||||
void CIPPort::print() const |
||||
{ |
||||
printf("CIPPort(%s)\n", ToString().c_str()); |
||||
} |
||||
|
||||
void CIPPort::SetPort(unsigned short portIn) |
||||
{ |
||||
port = portIn; |
||||
} |
||||
@ -0,0 +1,135 @@
@@ -0,0 +1,135 @@
|
||||
// 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 |
||||
@ -0,0 +1,158 @@
@@ -0,0 +1,158 @@
|
||||
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
||||
// 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.
|
||||
|
||||
#include <vector> |
||||
#include <stdexcept> |
||||
|
||||
#include "protocol.h" |
||||
#include "util.h" |
||||
#include "netbase.h" |
||||
|
||||
|
||||
#ifndef WIN32 |
||||
# include <arpa/inet.h> |
||||
#endif |
||||
|
||||
static const char* ppszTypeName[] = |
||||
{ |
||||
"ERROR", |
||||
"tx", |
||||
"block", |
||||
}; |
||||
|
||||
CMessageHeader::CMessageHeader() |
||||
{ |
||||
memcpy(pchMessageStart, ::pchMessageStart, sizeof(pchMessageStart)); |
||||
memset(pchCommand, 0, sizeof(pchCommand)); |
||||
pchCommand[1] = 1; |
||||
nMessageSize = -1; |
||||
nChecksum = 0; |
||||
} |
||||
|
||||
CMessageHeader::CMessageHeader(const char* pszCommand, unsigned int nMessageSizeIn) |
||||
{ |
||||
memcpy(pchMessageStart, ::pchMessageStart, sizeof(pchMessageStart)); |
||||
strncpy(pchCommand, pszCommand, COMMAND_SIZE); |
||||
nMessageSize = nMessageSizeIn; |
||||
nChecksum = 0; |
||||
} |
||||
|
||||
std::string CMessageHeader::GetCommand() const |
||||
{ |
||||
if (pchCommand[COMMAND_SIZE-1] == 0) |
||||
return std::string(pchCommand, pchCommand + strlen(pchCommand)); |
||||
else |
||||
return std::string(pchCommand, pchCommand + COMMAND_SIZE); |
||||
} |
||||
|
||||
bool CMessageHeader::IsValid() const |
||||
{ |
||||
// Check start string
|
||||
if (memcmp(pchMessageStart, ::pchMessageStart, sizeof(pchMessageStart)) != 0) |
||||
return false; |
||||
|
||||
// Check the command string for errors
|
||||
for (const char* p1 = pchCommand; p1 < pchCommand + COMMAND_SIZE; p1++) |
||||
{ |
||||
if (*p1 == 0) |
||||
{ |
||||
// Must be all zeros after the first zero
|
||||
for (; p1 < pchCommand + COMMAND_SIZE; p1++) |
||||
if (*p1 != 0) |
||||
return false; |
||||
} |
||||
else if (*p1 < ' ' || *p1 > 0x7E) |
||||
return false; |
||||
} |
||||
|
||||
// Message size
|
||||
if (nMessageSize > MAX_SIZE) |
||||
{ |
||||
printf("CMessageHeader::IsValid() : (%s, %u bytes) nMessageSize > MAX_SIZE\n", GetCommand().c_str(), nMessageSize); |
||||
return false; |
||||
} |
||||
|
||||
return true; |
||||
} |
||||
|
||||
|
||||
|
||||
CAddress::CAddress() : CIPPort() |
||||
{ |
||||
Init(); |
||||
} |
||||
|
||||
CAddress::CAddress(CIPPort &ipIn, uint64 nServicesIn) : CIPPort(ipIn) |
||||
{ |
||||
Init(); |
||||
nServices = nServicesIn; |
||||
} |
||||
|
||||
void CAddress::Init() |
||||
{ |
||||
nServices = NODE_NETWORK; |
||||
nTime = 100000000; |
||||
nLastTry = 0; |
||||
} |
||||
|
||||
void CAddress::print() const |
||||
{ |
||||
printf("CAddress(%s)\n", ToString().c_str()); |
||||
} |
||||
|
||||
CInv::CInv() |
||||
{ |
||||
type = 0; |
||||
hash = 0; |
||||
} |
||||
|
||||
CInv::CInv(int typeIn, const uint256& hashIn) |
||||
{ |
||||
type = typeIn; |
||||
hash = hashIn; |
||||
} |
||||
|
||||
CInv::CInv(const std::string& strType, const uint256& hashIn) |
||||
{ |
||||
int i; |
||||
for (i = 1; i < ARRAYLEN(ppszTypeName); i++) |
||||
{ |
||||
if (strType == ppszTypeName[i]) |
||||
{ |
||||
type = i; |
||||
break; |
||||
} |
||||
} |
||||
if (i == ARRAYLEN(ppszTypeName)) |
||||
throw std::out_of_range("CInv::CInv(string, uint256) : unknown type"); |
||||
hash = hashIn; |
||||
} |
||||
|
||||
bool operator<(const CInv& a, const CInv& b) |
||||
{ |
||||
return (a.type < b.type || (a.type == b.type && a.hash < b.hash)); |
||||
} |
||||
|
||||
bool CInv::IsKnownType() const |
||||
{ |
||||
return (type >= 1 && type < ARRAYLEN(ppszTypeName)); |
||||
} |
||||
|
||||
const char* CInv::GetCommand() const |
||||
{ |
||||
if (!IsKnownType()) |
||||
throw std::out_of_range("CInv::GetCommand() : unknown type"); |
||||
return ppszTypeName[type]; |
||||
} |
||||
|
||||
std::string CInv::ToString() const |
||||
{ |
||||
return "CInv()"; |
||||
} |
||||
|
||||
void CInv::print() const |
||||
{ |
||||
printf("CInv\n"); |
||||
} |
||||
@ -0,0 +1,123 @@
@@ -0,0 +1,123 @@
|
||||
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
||||
// 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 __cplusplus |
||||
# error This header can only be compiled as C++. |
||||
#endif |
||||
|
||||
#ifndef __INCLUDED_PROTOCOL_H__ |
||||
#define __INCLUDED_PROTOCOL_H__ |
||||
|
||||
#include "netbase.h" |
||||
#include "serialize.h" |
||||
#include <string> |
||||
#include "uint256.h" |
||||
|
||||
extern bool fTestNet; |
||||
static inline unsigned short GetDefaultPort(const bool testnet = fTestNet) |
||||
{ |
||||
return testnet ? 18333 : 8333; |
||||
} |
||||
|
||||
//
|
||||
// Message header
|
||||
// (4) message start
|
||||
// (12) command
|
||||
// (4) size
|
||||
// (4) checksum
|
||||
|
||||
extern unsigned char pchMessageStart[4]; |
||||
|
||||
class CMessageHeader |
||||
{ |
||||
public: |
||||
CMessageHeader(); |
||||
CMessageHeader(const char* pszCommand, unsigned int nMessageSizeIn); |
||||
|
||||
std::string GetCommand() const; |
||||
bool IsValid() const; |
||||
|
||||
IMPLEMENT_SERIALIZE |
||||
( |
||||
READWRITE(FLATDATA(pchMessageStart)); |
||||
READWRITE(FLATDATA(pchCommand)); |
||||
READWRITE(nMessageSize); |
||||
if (nVersion >= 209) |
||||
READWRITE(nChecksum); |
||||
) |
||||
|
||||
// TODO: make private (improves encapsulation)
|
||||
public: |
||||
enum { COMMAND_SIZE=12 }; |
||||
char pchMessageStart[sizeof(::pchMessageStart)]; |
||||
char pchCommand[COMMAND_SIZE]; |
||||
unsigned int nMessageSize; |
||||
unsigned int nChecksum; |
||||
}; |
||||
|
||||
enum |
||||
{ |
||||
NODE_NETWORK = (1 << 0), |
||||
}; |
||||
|
||||
class CAddress : public CIPPort |
||||
{ |
||||
public: |
||||
CAddress(); |
||||
CAddress(CIPPort& ipIn, uint64 nServicesIn=NODE_NETWORK); |
||||
|
||||
void Init(); |
||||
|
||||
IMPLEMENT_SERIALIZE |
||||
( |
||||
CAddress* pthis = const_cast<CAddress*>(this); |
||||
CIPPort* pip = (CIPPort*)pthis; |
||||
if (fRead) |
||||
pthis->Init(); |
||||
if (nType & SER_DISK) |
||||
READWRITE(nVersion); |
||||
if ((nType & SER_DISK) || (nVersion >= 31402 && !(nType & SER_GETHASH))) |
||||
READWRITE(nTime); |
||||
READWRITE(nServices); |
||||
READWRITE(*pip); |
||||
) |
||||
|
||||
void print() const; |
||||
|
||||
// TODO: make private (improves encapsulation)
|
||||
public: |
||||
uint64 nServices; |
||||
|
||||
// disk and network only
|
||||
unsigned int nTime; |
||||
}; |
||||
|
||||
class CInv |
||||
{ |
||||
public: |
||||
CInv(); |
||||
CInv(int typeIn, const uint256& hashIn); |
||||
CInv(const std::string& strType, const uint256& hashIn); |
||||
|
||||
IMPLEMENT_SERIALIZE |
||||
( |
||||
READWRITE(type); |
||||
READWRITE(hash); |
||||
) |
||||
|
||||
friend bool operator<(const CInv& a, const CInv& b); |
||||
|
||||
bool IsKnownType() const; |
||||
const char* GetCommand() const; |
||||
std::string ToString() const; |
||||
void print() const; |
||||
|
||||
// TODO: make private (improves encapsulation)
|
||||
public: |
||||
int type; |
||||
uint256 hash; |
||||
}; |
||||
|
||||
#endif // __INCLUDED_PROTOCOL_H__
|
||||
@ -0,0 +1,766 @@
@@ -0,0 +1,766 @@
|
||||
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
||||
// 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_UINT256_H |
||||
#define BITCOIN_UINT256_H |
||||
|
||||
#include "serialize.h" |
||||
|
||||
#include <limits.h> |
||||
#include <string> |
||||
#include <vector> |
||||
|
||||
#if defined(_MSC_VER) || defined(__BORLANDC__) |
||||
typedef __int64 int64; |
||||
typedef unsigned __int64 uint64; |
||||
#else |
||||
typedef long long int64; |
||||
typedef unsigned long long uint64; |
||||
#endif |
||||
#if defined(_MSC_VER) && _MSC_VER < 1300 |
||||
#define for if (false) ; else for |
||||
#endif |
||||
|
||||
|
||||
inline int Testuint256AdHoc(std::vector<std::string> vArg); |
||||
|
||||
|
||||
|
||||
// We have to keep a separate base class without constructors
|
||||
// so the compiler will let us use it in a union
|
||||
template<unsigned int BITS> |
||||
class base_uint |
||||
{ |
||||
protected: |
||||
enum { WIDTH=BITS/32 }; |
||||
unsigned int pn[WIDTH]; |
||||
public: |
||||
|
||||
bool operator!() const |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
if (pn[i] != 0) |
||||
return false; |
||||
return true; |
||||
} |
||||
|
||||
const base_uint operator~() const |
||||
{ |
||||
base_uint ret; |
||||
for (int i = 0; i < WIDTH; i++) |
||||
ret.pn[i] = ~pn[i]; |
||||
return ret; |
||||
} |
||||
|
||||
const base_uint operator-() const |
||||
{ |
||||
base_uint ret; |
||||
for (int i = 0; i < WIDTH; i++) |
||||
ret.pn[i] = ~pn[i]; |
||||
ret++; |
||||
return ret; |
||||
} |
||||
|
||||
|
||||
base_uint& operator=(uint64 b) |
||||
{ |
||||
pn[0] = (unsigned int)b; |
||||
pn[1] = (unsigned int)(b >> 32); |
||||
for (int i = 2; i < WIDTH; i++) |
||||
pn[i] = 0; |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator^=(const base_uint& b) |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] ^= b.pn[i]; |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator&=(const base_uint& b) |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] &= b.pn[i]; |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator|=(const base_uint& b) |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] |= b.pn[i]; |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator^=(uint64 b) |
||||
{ |
||||
pn[0] ^= (unsigned int)b; |
||||
pn[1] ^= (unsigned int)(b >> 32); |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator&=(uint64 b) |
||||
{ |
||||
pn[0] &= (unsigned int)b; |
||||
pn[1] &= (unsigned int)(b >> 32); |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator|=(uint64 b) |
||||
{ |
||||
pn[0] |= (unsigned int)b; |
||||
pn[1] |= (unsigned int)(b >> 32); |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator<<=(unsigned int shift) |
||||
{ |
||||
base_uint a(*this); |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] = 0; |
||||
int k = shift / 32; |
||||
shift = shift % 32; |
||||
for (int i = 0; i < WIDTH; i++) |
||||
{ |
||||
if (i+k+1 < WIDTH && shift != 0) |
||||
pn[i+k+1] |= (a.pn[i] >> (32-shift)); |
||||
if (i+k < WIDTH) |
||||
pn[i+k] |= (a.pn[i] << shift); |
||||
} |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator>>=(unsigned int shift) |
||||
{ |
||||
base_uint a(*this); |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] = 0; |
||||
int k = shift / 32; |
||||
shift = shift % 32; |
||||
for (int i = 0; i < WIDTH; i++) |
||||
{ |
||||
if (i-k-1 >= 0 && shift != 0) |
||||
pn[i-k-1] |= (a.pn[i] << (32-shift)); |
||||
if (i-k >= 0) |
||||
pn[i-k] |= (a.pn[i] >> shift); |
||||
} |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator+=(const base_uint& b) |
||||
{ |
||||
uint64 carry = 0; |
||||
for (int i = 0; i < WIDTH; i++) |
||||
{ |
||||
uint64 n = carry + pn[i] + b.pn[i]; |
||||
pn[i] = n & 0xffffffff; |
||||
carry = n >> 32; |
||||
} |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator-=(const base_uint& b) |
||||
{ |
||||
*this += -b; |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator+=(uint64 b64) |
||||
{ |
||||
base_uint b; |
||||
b = b64; |
||||
*this += b; |
||||
return *this; |
||||
} |
||||
|
||||
base_uint& operator-=(uint64 b64) |
||||
{ |
||||
base_uint b; |
||||
b = b64; |
||||
*this += -b; |
||||
return *this; |
||||
} |
||||
|
||||
|
||||
base_uint& operator++() |
||||
{ |
||||
// prefix operator
|
||||
int i = 0; |
||||
while (++pn[i] == 0 && i < WIDTH-1) |
||||
i++; |
||||
return *this; |
||||
} |
||||
|
||||
const base_uint operator++(int) |
||||
{ |
||||
// postfix operator
|
||||
const base_uint ret = *this; |
||||
++(*this); |
||||
return ret; |
||||
} |
||||
|
||||
base_uint& operator--() |
||||
{ |
||||
// prefix operator
|
||||
int i = 0; |
||||
while (--pn[i] == -1 && i < WIDTH-1) |
||||
i++; |
||||
return *this; |
||||
} |
||||
|
||||
const base_uint operator--(int) |
||||
{ |
||||
// postfix operator
|
||||
const base_uint ret = *this; |
||||
--(*this); |
||||
return ret; |
||||
} |
||||
|
||||
|
||||
friend inline bool operator<(const base_uint& a, const base_uint& b) |
||||
{ |
||||
for (int i = base_uint::WIDTH-1; i >= 0; i--) |
||||
{ |
||||
if (a.pn[i] < b.pn[i]) |
||||
return true; |
||||
else if (a.pn[i] > b.pn[i]) |
||||
return false; |
||||
} |
||||
return false; |
||||
} |
||||
|
||||
friend inline bool operator<=(const base_uint& a, const base_uint& b) |
||||
{ |
||||
for (int i = base_uint::WIDTH-1; i >= 0; i--) |
||||
{ |
||||
if (a.pn[i] < b.pn[i]) |
||||
return true; |
||||
else if (a.pn[i] > b.pn[i]) |
||||
return false; |
||||
} |
||||
return true; |
||||
} |
||||
|
||||
friend inline bool operator>(const base_uint& a, const base_uint& b) |
||||
{ |
||||
for (int i = base_uint::WIDTH-1; i >= 0; i--) |
||||
{ |
||||
if (a.pn[i] > b.pn[i]) |
||||
return true; |
||||
else if (a.pn[i] < b.pn[i]) |
||||
return false; |
||||
} |
||||
return false; |
||||
} |
||||
|
||||
friend inline bool operator>=(const base_uint& a, const base_uint& b) |
||||
{ |
||||
for (int i = base_uint::WIDTH-1; i >= 0; i--) |
||||
{ |
||||
if (a.pn[i] > b.pn[i]) |
||||
return true; |
||||
else if (a.pn[i] < b.pn[i]) |
||||
return false; |
||||
} |
||||
return true; |
||||
} |
||||
|
||||
friend inline bool operator==(const base_uint& a, const base_uint& b) |
||||
{ |
||||
for (int i = 0; i < base_uint::WIDTH; i++) |
||||
if (a.pn[i] != b.pn[i]) |
||||
return false; |
||||
return true; |
||||
} |
||||
|
||||
friend inline bool operator==(const base_uint& a, uint64 b) |
||||
{ |
||||
if (a.pn[0] != (unsigned int)b) |
||||
return false; |
||||
if (a.pn[1] != (unsigned int)(b >> 32)) |
||||
return false; |
||||
for (int i = 2; i < base_uint::WIDTH; i++) |
||||
if (a.pn[i] != 0) |
||||
return false; |
||||
return true; |
||||
} |
||||
|
||||
friend inline bool operator!=(const base_uint& a, const base_uint& b) |
||||
{ |
||||
return (!(a == b)); |
||||
} |
||||
|
||||
friend inline bool operator!=(const base_uint& a, uint64 b) |
||||
{ |
||||
return (!(a == b)); |
||||
} |
||||
|
||||
|
||||
|
||||
std::string GetHex() const |
||||
{ |
||||
char psz[sizeof(pn)*2 + 1]; |
||||
for (int i = 0; i < sizeof(pn); i++) |
||||
sprintf(psz + i*2, "%02x", ((unsigned char*)pn)[sizeof(pn) - i - 1]); |
||||
return std::string(psz, psz + sizeof(pn)*2); |
||||
} |
||||
|
||||
void SetHex(const char* psz) |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] = 0; |
||||
|
||||
// skip leading spaces
|
||||
while (isspace(*psz)) |
||||
psz++; |
||||
|
||||
// skip 0x
|
||||
if (psz[0] == '0' && tolower(psz[1]) == 'x') |
||||
psz += 2; |
||||
|
||||
// hex string to uint
|
||||
static char phexdigit[256] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0 }; |
||||
const char* pbegin = psz; |
||||
while (phexdigit[*psz] || *psz == '0') |
||||
psz++; |
||||
psz--; |
||||
unsigned char* p1 = (unsigned char*)pn; |
||||
unsigned char* pend = p1 + WIDTH * 4; |
||||
while (psz >= pbegin && p1 < pend) |
||||
{ |
||||
*p1 = phexdigit[(unsigned char)*psz--]; |
||||
if (psz >= pbegin) |
||||
{ |
||||
*p1 |= (phexdigit[(unsigned char)*psz--] << 4); |
||||
p1++; |
||||
} |
||||
} |
||||
} |
||||
|
||||
void SetHex(const std::string& str) |
||||
{ |
||||
SetHex(str.c_str()); |
||||
} |
||||
|
||||
std::string ToString() const |
||||
{ |
||||
return (GetHex()); |
||||
} |
||||
|
||||
unsigned char* begin() |
||||
{ |
||||
return (unsigned char*)&pn[0]; |
||||
} |
||||
|
||||
unsigned char* end() |
||||
{ |
||||
return (unsigned char*)&pn[WIDTH]; |
||||
} |
||||
|
||||
unsigned int size() |
||||
{ |
||||
return sizeof(pn); |
||||
} |
||||
|
||||
|
||||
unsigned int GetSerializeSize(int nType=0, int nVersion=VERSION) const |
||||
{ |
||||
return sizeof(pn); |
||||
} |
||||
|
||||
template<typename Stream> |
||||
void Serialize(Stream& s, int nType=0, int nVersion=VERSION) const |
||||
{ |
||||
s.write((char*)pn, sizeof(pn)); |
||||
} |
||||
|
||||
template<typename Stream> |
||||
void Unserialize(Stream& s, int nType=0, int nVersion=VERSION) |
||||
{ |
||||
s.read((char*)pn, sizeof(pn)); |
||||
} |
||||
|
||||
|
||||
friend class uint160; |
||||
friend class uint256; |
||||
friend inline int Testuint256AdHoc(std::vector<std::string> vArg); |
||||
}; |
||||
|
||||
typedef base_uint<160> base_uint160; |
||||
typedef base_uint<256> base_uint256; |
||||
|
||||
|
||||
|
||||
//
|
||||
// uint160 and uint256 could be implemented as templates, but to keep
|
||||
// compile errors and debugging cleaner, they're copy and pasted.
|
||||
//
|
||||
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// uint160
|
||||
//
|
||||
|
||||
class uint160 : public base_uint160 |
||||
{ |
||||
public: |
||||
typedef base_uint160 basetype; |
||||
|
||||
uint160() |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] = 0; |
||||
} |
||||
|
||||
uint160(const basetype& b) |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] = b.pn[i]; |
||||
} |
||||
|
||||
uint160& operator=(const basetype& b) |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] = b.pn[i]; |
||||
return *this; |
||||
} |
||||
|
||||
uint160(uint64 b) |
||||
{ |
||||
pn[0] = (unsigned int)b; |
||||
pn[1] = (unsigned int)(b >> 32); |
||||
for (int i = 2; i < WIDTH; i++) |
||||
pn[i] = 0; |
||||
} |
||||
|
||||
uint160& operator=(uint64 b) |
||||
{ |
||||
pn[0] = (unsigned int)b; |
||||
pn[1] = (unsigned int)(b >> 32); |
||||
for (int i = 2; i < WIDTH; i++) |
||||
pn[i] = 0; |
||||
return *this; |
||||
} |
||||
|
||||
explicit uint160(const std::string& str) |
||||
{ |
||||
SetHex(str); |
||||
} |
||||
|
||||
explicit uint160(const std::vector<unsigned char>& vch) |
||||
{ |
||||
if (vch.size() == sizeof(pn)) |
||||
memcpy(pn, &vch[0], sizeof(pn)); |
||||
else |
||||
*this = 0; |
||||
} |
||||
}; |
||||
|
||||
inline bool operator==(const uint160& a, uint64 b) { return (base_uint160)a == b; } |
||||
inline bool operator!=(const uint160& a, uint64 b) { return (base_uint160)a != b; } |
||||
inline const uint160 operator<<(const base_uint160& a, unsigned int shift) { return uint160(a) <<= shift; } |
||||
inline const uint160 operator>>(const base_uint160& a, unsigned int shift) { return uint160(a) >>= shift; } |
||||
inline const uint160 operator<<(const uint160& a, unsigned int shift) { return uint160(a) <<= shift; } |
||||
inline const uint160 operator>>(const uint160& a, unsigned int shift) { return uint160(a) >>= shift; } |
||||
|
||||
inline const uint160 operator^(const base_uint160& a, const base_uint160& b) { return uint160(a) ^= b; } |
||||
inline const uint160 operator&(const base_uint160& a, const base_uint160& b) { return uint160(a) &= b; } |
||||
inline const uint160 operator|(const base_uint160& a, const base_uint160& b) { return uint160(a) |= b; } |
||||
inline const uint160 operator+(const base_uint160& a, const base_uint160& b) { return uint160(a) += b; } |
||||
inline const uint160 operator-(const base_uint160& a, const base_uint160& b) { return uint160(a) -= b; } |
||||
|
||||
inline bool operator<(const base_uint160& a, const uint160& b) { return (base_uint160)a < (base_uint160)b; } |
||||
inline bool operator<=(const base_uint160& a, const uint160& b) { return (base_uint160)a <= (base_uint160)b; } |
||||
inline bool operator>(const base_uint160& a, const uint160& b) { return (base_uint160)a > (base_uint160)b; } |
||||
inline bool operator>=(const base_uint160& a, const uint160& b) { return (base_uint160)a >= (base_uint160)b; } |
||||
inline bool operator==(const base_uint160& a, const uint160& b) { return (base_uint160)a == (base_uint160)b; } |
||||
inline bool operator!=(const base_uint160& a, const uint160& b) { return (base_uint160)a != (base_uint160)b; } |
||||
inline const uint160 operator^(const base_uint160& a, const uint160& b) { return (base_uint160)a ^ (base_uint160)b; } |
||||
inline const uint160 operator&(const base_uint160& a, const uint160& b) { return (base_uint160)a & (base_uint160)b; } |
||||
inline const uint160 operator|(const base_uint160& a, const uint160& b) { return (base_uint160)a | (base_uint160)b; } |
||||
inline const uint160 operator+(const base_uint160& a, const uint160& b) { return (base_uint160)a + (base_uint160)b; } |
||||
inline const uint160 operator-(const base_uint160& a, const uint160& b) { return (base_uint160)a - (base_uint160)b; } |
||||
|
||||
inline bool operator<(const uint160& a, const base_uint160& b) { return (base_uint160)a < (base_uint160)b; } |
||||
inline bool operator<=(const uint160& a, const base_uint160& b) { return (base_uint160)a <= (base_uint160)b; } |
||||
inline bool operator>(const uint160& a, const base_uint160& b) { return (base_uint160)a > (base_uint160)b; } |
||||
inline bool operator>=(const uint160& a, const base_uint160& b) { return (base_uint160)a >= (base_uint160)b; } |
||||
inline bool operator==(const uint160& a, const base_uint160& b) { return (base_uint160)a == (base_uint160)b; } |
||||
inline bool operator!=(const uint160& a, const base_uint160& b) { return (base_uint160)a != (base_uint160)b; } |
||||
inline const uint160 operator^(const uint160& a, const base_uint160& b) { return (base_uint160)a ^ (base_uint160)b; } |
||||
inline const uint160 operator&(const uint160& a, const base_uint160& b) { return (base_uint160)a & (base_uint160)b; } |
||||
inline const uint160 operator|(const uint160& a, const base_uint160& b) { return (base_uint160)a | (base_uint160)b; } |
||||
inline const uint160 operator+(const uint160& a, const base_uint160& b) { return (base_uint160)a + (base_uint160)b; } |
||||
inline const uint160 operator-(const uint160& a, const base_uint160& b) { return (base_uint160)a - (base_uint160)b; } |
||||
|
||||
inline bool operator<(const uint160& a, const uint160& b) { return (base_uint160)a < (base_uint160)b; } |
||||
inline bool operator<=(const uint160& a, const uint160& b) { return (base_uint160)a <= (base_uint160)b; } |
||||
inline bool operator>(const uint160& a, const uint160& b) { return (base_uint160)a > (base_uint160)b; } |
||||
inline bool operator>=(const uint160& a, const uint160& b) { return (base_uint160)a >= (base_uint160)b; } |
||||
inline bool operator==(const uint160& a, const uint160& b) { return (base_uint160)a == (base_uint160)b; } |
||||
inline bool operator!=(const uint160& a, const uint160& b) { return (base_uint160)a != (base_uint160)b; } |
||||
inline const uint160 operator^(const uint160& a, const uint160& b) { return (base_uint160)a ^ (base_uint160)b; } |
||||
inline const uint160 operator&(const uint160& a, const uint160& b) { return (base_uint160)a & (base_uint160)b; } |
||||
inline const uint160 operator|(const uint160& a, const uint160& b) { return (base_uint160)a | (base_uint160)b; } |
||||
inline const uint160 operator+(const uint160& a, const uint160& b) { return (base_uint160)a + (base_uint160)b; } |
||||
inline const uint160 operator-(const uint160& a, const uint160& b) { return (base_uint160)a - (base_uint160)b; } |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// uint256
|
||||
//
|
||||
|
||||
class uint256 : public base_uint256 |
||||
{ |
||||
public: |
||||
typedef base_uint256 basetype; |
||||
|
||||
uint256() |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] = 0; |
||||
} |
||||
|
||||
uint256(const basetype& b) |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] = b.pn[i]; |
||||
} |
||||
|
||||
uint256& operator=(const basetype& b) |
||||
{ |
||||
for (int i = 0; i < WIDTH; i++) |
||||
pn[i] = b.pn[i]; |
||||
return *this; |
||||
} |
||||
|
||||
uint256(uint64 b) |
||||
{ |
||||
pn[0] = (unsigned int)b; |
||||
pn[1] = (unsigned int)(b >> 32); |
||||
for (int i = 2; i < WIDTH; i++) |
||||
pn[i] = 0; |
||||
} |
||||
|
||||
uint256& operator=(uint64 b) |
||||
{ |
||||
pn[0] = (unsigned int)b; |
||||
pn[1] = (unsigned int)(b >> 32); |
||||
for (int i = 2; i < WIDTH; i++) |
||||
pn[i] = 0; |
||||
return *this; |
||||
} |
||||
|
||||
explicit uint256(const std::string& str) |
||||
{ |
||||
SetHex(str); |
||||
} |
||||
|
||||
explicit uint256(const std::vector<unsigned char>& vch) |
||||
{ |
||||
if (vch.size() == sizeof(pn)) |
||||
memcpy(pn, &vch[0], sizeof(pn)); |
||||
else |
||||
*this = 0; |
||||
} |
||||
}; |
||||
|
||||
inline bool operator==(const uint256& a, uint64 b) { return (base_uint256)a == b; } |
||||
inline bool operator!=(const uint256& a, uint64 b) { return (base_uint256)a != b; } |
||||
inline const uint256 operator<<(const base_uint256& a, unsigned int shift) { return uint256(a) <<= shift; } |
||||
inline const uint256 operator>>(const base_uint256& a, unsigned int shift) { return uint256(a) >>= shift; } |
||||
inline const uint256 operator<<(const uint256& a, unsigned int shift) { return uint256(a) <<= shift; } |
||||
inline const uint256 operator>>(const uint256& a, unsigned int shift) { return uint256(a) >>= shift; } |
||||
|
||||
inline const uint256 operator^(const base_uint256& a, const base_uint256& b) { return uint256(a) ^= b; } |
||||
inline const uint256 operator&(const base_uint256& a, const base_uint256& b) { return uint256(a) &= b; } |
||||
inline const uint256 operator|(const base_uint256& a, const base_uint256& b) { return uint256(a) |= b; } |
||||
inline const uint256 operator+(const base_uint256& a, const base_uint256& b) { return uint256(a) += b; } |
||||
inline const uint256 operator-(const base_uint256& a, const base_uint256& b) { return uint256(a) -= b; } |
||||
|
||||
inline bool operator<(const base_uint256& a, const uint256& b) { return (base_uint256)a < (base_uint256)b; } |
||||
inline bool operator<=(const base_uint256& a, const uint256& b) { return (base_uint256)a <= (base_uint256)b; } |
||||
inline bool operator>(const base_uint256& a, const uint256& b) { return (base_uint256)a > (base_uint256)b; } |
||||
inline bool operator>=(const base_uint256& a, const uint256& b) { return (base_uint256)a >= (base_uint256)b; } |
||||
inline bool operator==(const base_uint256& a, const uint256& b) { return (base_uint256)a == (base_uint256)b; } |
||||
inline bool operator!=(const base_uint256& a, const uint256& b) { return (base_uint256)a != (base_uint256)b; } |
||||
inline const uint256 operator^(const base_uint256& a, const uint256& b) { return (base_uint256)a ^ (base_uint256)b; } |
||||
inline const uint256 operator&(const base_uint256& a, const uint256& b) { return (base_uint256)a & (base_uint256)b; } |
||||
inline const uint256 operator|(const base_uint256& a, const uint256& b) { return (base_uint256)a | (base_uint256)b; } |
||||
inline const uint256 operator+(const base_uint256& a, const uint256& b) { return (base_uint256)a + (base_uint256)b; } |
||||
inline const uint256 operator-(const base_uint256& a, const uint256& b) { return (base_uint256)a - (base_uint256)b; } |
||||
|
||||
inline bool operator<(const uint256& a, const base_uint256& b) { return (base_uint256)a < (base_uint256)b; } |
||||
inline bool operator<=(const uint256& a, const base_uint256& b) { return (base_uint256)a <= (base_uint256)b; } |
||||
inline bool operator>(const uint256& a, const base_uint256& b) { return (base_uint256)a > (base_uint256)b; } |
||||
inline bool operator>=(const uint256& a, const base_uint256& b) { return (base_uint256)a >= (base_uint256)b; } |
||||
inline bool operator==(const uint256& a, const base_uint256& b) { return (base_uint256)a == (base_uint256)b; } |
||||
inline bool operator!=(const uint256& a, const base_uint256& b) { return (base_uint256)a != (base_uint256)b; } |
||||
inline const uint256 operator^(const uint256& a, const base_uint256& b) { return (base_uint256)a ^ (base_uint256)b; } |
||||
inline const uint256 operator&(const uint256& a, const base_uint256& b) { return (base_uint256)a & (base_uint256)b; } |
||||
inline const uint256 operator|(const uint256& a, const base_uint256& b) { return (base_uint256)a | (base_uint256)b; } |
||||
inline const uint256 operator+(const uint256& a, const base_uint256& b) { return (base_uint256)a + (base_uint256)b; } |
||||
inline const uint256 operator-(const uint256& a, const base_uint256& b) { return (base_uint256)a - (base_uint256)b; } |
||||
|
||||
inline bool operator<(const uint256& a, const uint256& b) { return (base_uint256)a < (base_uint256)b; } |
||||
inline bool operator<=(const uint256& a, const uint256& b) { return (base_uint256)a <= (base_uint256)b; } |
||||
inline bool operator>(const uint256& a, const uint256& b) { return (base_uint256)a > (base_uint256)b; } |
||||
inline bool operator>=(const uint256& a, const uint256& b) { return (base_uint256)a >= (base_uint256)b; } |
||||
inline bool operator==(const uint256& a, const uint256& b) { return (base_uint256)a == (base_uint256)b; } |
||||
inline bool operator!=(const uint256& a, const uint256& b) { return (base_uint256)a != (base_uint256)b; } |
||||
inline const uint256 operator^(const uint256& a, const uint256& b) { return (base_uint256)a ^ (base_uint256)b; } |
||||
inline const uint256 operator&(const uint256& a, const uint256& b) { return (base_uint256)a & (base_uint256)b; } |
||||
inline const uint256 operator|(const uint256& a, const uint256& b) { return (base_uint256)a | (base_uint256)b; } |
||||
inline const uint256 operator+(const uint256& a, const uint256& b) { return (base_uint256)a + (base_uint256)b; } |
||||
inline const uint256 operator-(const uint256& a, const uint256& b) { return (base_uint256)a - (base_uint256)b; } |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
inline int Testuint256AdHoc(std::vector<std::string> vArg) |
||||
{ |
||||
uint256 g(0); |
||||
|
||||
|
||||
printf("%s\n", g.ToString().c_str()); |
||||
g--; printf("g--\n"); |
||||
printf("%s\n", g.ToString().c_str()); |
||||
g--; printf("g--\n"); |
||||
printf("%s\n", g.ToString().c_str()); |
||||
g++; printf("g++\n"); |
||||
printf("%s\n", g.ToString().c_str()); |
||||
g++; printf("g++\n"); |
||||
printf("%s\n", g.ToString().c_str()); |
||||
g++; printf("g++\n"); |
||||
printf("%s\n", g.ToString().c_str()); |
||||
g++; printf("g++\n"); |
||||
printf("%s\n", g.ToString().c_str()); |
||||
|
||||
|
||||
|
||||
uint256 a(7); |
||||
printf("a=7\n"); |
||||
printf("%s\n", a.ToString().c_str()); |
||||
|
||||
uint256 b; |
||||
printf("b undefined\n"); |
||||
printf("%s\n", b.ToString().c_str()); |
||||
int c = 3; |
||||
|
||||
a = c; |
||||
a.pn[3] = 15; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
uint256 k(c); |
||||
|
||||
a = 5; |
||||
a.pn[3] = 15; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
b = 1; |
||||
b <<= 52; |
||||
|
||||
a |= b; |
||||
|
||||
a ^= 0x500; |
||||
|
||||
printf("a %s\n", a.ToString().c_str()); |
||||
|
||||
a = a | b | (uint256)0x1000; |
||||
|
||||
|
||||
printf("a %s\n", a.ToString().c_str()); |
||||
printf("b %s\n", b.ToString().c_str()); |
||||
|
||||
a = 0xfffffffe; |
||||
a.pn[4] = 9; |
||||
|
||||
printf("%s\n", a.ToString().c_str()); |
||||
a++; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
a++; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
a++; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
a++; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
|
||||
a--; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
a--; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
a--; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
uint256 d = a--; |
||||
printf("%s\n", d.ToString().c_str()); |
||||
printf("%s\n", a.ToString().c_str()); |
||||
a--; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
a--; |
||||
printf("%s\n", a.ToString().c_str()); |
||||
|
||||
d = a; |
||||
|
||||
printf("%s\n", d.ToString().c_str()); |
||||
for (int i = uint256::WIDTH-1; i >= 0; i--) printf("%08x", d.pn[i]); printf("\n"); |
||||
|
||||
uint256 neg = d; |
||||
neg = ~neg; |
||||
printf("%s\n", neg.ToString().c_str()); |
||||
|
||||
|
||||
uint256 e = uint256("0xABCDEF123abcdef12345678909832180000011111111"); |
||||
printf("\n"); |
||||
printf("%s\n", e.ToString().c_str()); |
||||
|
||||
|
||||
printf("\n"); |
||||
uint256 x1 = uint256("0xABCDEF123abcdef12345678909832180000011111111"); |
||||
uint256 x2; |
||||
printf("%s\n", x1.ToString().c_str()); |
||||
for (int i = 0; i < 270; i += 4) |
||||
{ |
||||
x2 = x1 << i; |
||||
printf("%s\n", x2.ToString().c_str()); |
||||
} |
||||
|
||||
printf("\n"); |
||||
printf("%s\n", x1.ToString().c_str()); |
||||
for (int i = 0; i < 270; i += 4) |
||||
{ |
||||
x2 = x1; |
||||
x2 >>= i; |
||||
printf("%s\n", x2.ToString().c_str()); |
||||
} |
||||
|
||||
|
||||
for (int i = 0; i < 100; i++) |
||||
{ |
||||
uint256 k = (~uint256(0) >> i); |
||||
printf("%s\n", k.ToString().c_str()); |
||||
} |
||||
|
||||
for (int i = 0; i < 100; i++) |
||||
{ |
||||
uint256 k = (~uint256(0) << i); |
||||
printf("%s\n", k.ToString().c_str()); |
||||
} |
||||
|
||||
return (0); |
||||
} |
||||
|
||||
#endif |
||||
@ -0,0 +1,37 @@
@@ -0,0 +1,37 @@
|
||||
#ifndef _UTIL_H_ |
||||
#define _UTIL_H_ 1 |
||||
|
||||
#define loop for (;;) |
||||
#define BEGIN(a) ((char*)&(a)) |
||||
#define END(a) ((char*)&((&(a))[1])) |
||||
#define UBEGIN(a) ((unsigned char*)&(a)) |
||||
#define UEND(a) ((unsigned char*)&((&(a))[1])) |
||||
#define ARRAYLEN(array) (sizeof(array)/sizeof((array)[0])) |
||||
|
||||
#define WSAGetLastError() errno |
||||
#define WSAEINVAL EINVAL |
||||
#define WSAEALREADY EALREADY |
||||
#define WSAEWOULDBLOCK EWOULDBLOCK |
||||
#define WSAEMSGSIZE EMSGSIZE |
||||
#define WSAEINTR EINTR |
||||
#define WSAEINPROGRESS EINPROGRESS |
||||
#define WSAEADDRINUSE EADDRINUSE |
||||
#define WSAENOTSOCK EBADF |
||||
#define INVALID_SOCKET (SOCKET)(~0) |
||||
#define SOCKET_ERROR -1 |
||||
|
||||
inline int myclosesocket(SOCKET& hSocket) |
||||
{ |
||||
if (hSocket == INVALID_SOCKET) |
||||
return WSAENOTSOCK; |
||||
#ifdef WIN32 |
||||
int ret = closesocket(hSocket); |
||||
#else |
||||
int ret = close(hSocket); |
||||
#endif |
||||
hSocket = INVALID_SOCKET; |
||||
return ret; |
||||
} |
||||
#define closesocket(s) myclosesocket(s) |
||||
|
||||
#endif |
||||
Loading…
Reference in new issue