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661 lines
18 KiB
661 lines
18 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto |
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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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#if defined(_MSC_VER) || defined(__BORLANDC__) |
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typedef __int64 int64; |
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typedef unsigned __int64 uint64; |
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#else |
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typedef long long int64; |
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typedef unsigned long long uint64; |
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#endif |
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#if defined(_MSC_VER) && _MSC_VER < 1300 |
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#define for if (false) ; else for |
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#endif |
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#ifndef _MSC_VER |
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#define __forceinline inline |
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#endif |
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#define foreach BOOST_FOREACH |
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#define loop for (;;) |
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#define BEGIN(a) ((char*)&(a)) |
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#define END(a) ((char*)&((&(a))[1])) |
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#define UBEGIN(a) ((unsigned char*)&(a)) |
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#define UEND(a) ((unsigned char*)&((&(a))[1])) |
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#define ARRAYLEN(array) (sizeof(array)/sizeof((array)[0])) |
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#define printf OutputDebugStringF |
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#ifdef snprintf |
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#undef snprintf |
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#endif |
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#define snprintf my_snprintf |
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#ifndef PRI64d |
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#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MSVCRT__) |
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#define PRI64d "I64d" |
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#define PRI64u "I64u" |
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#define PRI64x "I64x" |
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#else |
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#define PRI64d "lld" |
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#define PRI64u "llu" |
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#define PRI64x "llx" |
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#endif |
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#endif |
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// This is needed because the foreach macro can't get over the comma in pair<t1, t2> |
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#define PAIRTYPE(t1, t2) pair<t1, t2> |
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// Used to bypass the rule against non-const reference to temporary |
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// where it makes sense with wrappers such as CFlatData or CTxDB |
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template<typename T> |
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inline T& REF(const T& val) |
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{ |
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return (T&)val; |
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} |
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// Align by increasing pointer, must have extra space at end of buffer |
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template <size_t nBytes, typename T> |
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T* alignup(T* p) |
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{ |
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union |
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{ |
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T* ptr; |
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size_t n; |
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} u; |
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u.ptr = p; |
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u.n = (u.n + (nBytes-1)) & ~(nBytes-1); |
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return u.ptr; |
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} |
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#ifdef __WXMSW__ |
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#define MSG_NOSIGNAL 0 |
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#define MSG_DONTWAIT 0 |
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#ifndef UINT64_MAX |
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#define UINT64_MAX _UI64_MAX |
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#define INT64_MAX _I64_MAX |
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#define INT64_MIN _I64_MIN |
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#endif |
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#ifndef S_IRUSR |
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#define S_IRUSR 0400 |
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#define S_IWUSR 0200 |
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#endif |
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#define unlink _unlink |
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typedef int socklen_t; |
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#else |
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#define WSAGetLastError() errno |
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#define WSAEWOULDBLOCK EWOULDBLOCK |
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#define WSAEMSGSIZE EMSGSIZE |
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#define WSAEINTR EINTR |
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#define WSAEINPROGRESS EINPROGRESS |
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#define WSAEADDRINUSE EADDRINUSE |
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#define WSAENOTSOCK EBADF |
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#define INVALID_SOCKET (SOCKET)(~0) |
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#define SOCKET_ERROR -1 |
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typedef u_int SOCKET; |
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#define _vsnprintf(a,b,c,d) vsnprintf(a,b,c,d) |
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#define strlwr(psz) to_lower(psz) |
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#define _strlwr(psz) to_lower(psz) |
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#define MAX_PATH 1024 |
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#define Beep(n1,n2) (0) |
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inline void Sleep(int64 n) |
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{ |
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boost::thread::sleep(boost::get_system_time() + boost::posix_time::milliseconds(n)); |
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} |
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#endif |
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inline int myclosesocket(SOCKET& hSocket) |
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{ |
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if (hSocket == INVALID_SOCKET) |
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return WSAENOTSOCK; |
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#ifdef __WXMSW__ |
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int ret = closesocket(hSocket); |
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#else |
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int ret = close(hSocket); |
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#endif |
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hSocket = INVALID_SOCKET; |
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return ret; |
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} |
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#define closesocket(s) myclosesocket(s) |
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#ifndef GUI |
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inline const char* _(const char* psz) |
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{ |
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return psz; |
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} |
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#endif |
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extern map<string, string> mapArgs; |
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extern map<string, vector<string> > mapMultiArgs; |
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extern bool fDebug; |
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extern bool fPrintToConsole; |
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extern bool fPrintToDebugger; |
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extern char pszSetDataDir[MAX_PATH]; |
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extern bool fRequestShutdown; |
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extern bool fShutdown; |
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extern bool fDaemon; |
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extern bool fServer; |
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extern bool fCommandLine; |
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extern string strMiscWarning; |
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extern bool fTestNet; |
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extern bool fNoListen; |
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void RandAddSeed(); |
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void RandAddSeedPerfmon(); |
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int OutputDebugStringF(const char* pszFormat, ...); |
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int my_snprintf(char* buffer, size_t limit, const char* format, ...); |
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string strprintf(const char* format, ...); |
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bool error(const char* format, ...); |
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void LogException(std::exception* pex, const char* pszThread); |
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void PrintException(std::exception* pex, const char* pszThread); |
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void PrintExceptionContinue(std::exception* pex, const char* pszThread); |
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void ParseString(const string& str, char c, vector<string>& v); |
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string FormatMoney(int64 n, bool fPlus=false); |
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bool ParseMoney(const string& str, int64& nRet); |
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bool ParseMoney(const char* pszIn, int64& nRet); |
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vector<unsigned char> ParseHex(const char* psz); |
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vector<unsigned char> ParseHex(const string& str); |
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void ParseParameters(int argc, char* argv[]); |
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const char* wxGetTranslation(const char* psz); |
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bool WildcardMatch(const char* psz, const char* mask); |
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bool WildcardMatch(const string& str, const string& mask); |
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int GetFilesize(FILE* file); |
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void GetDataDir(char* pszDirRet); |
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string GetConfigFile(); |
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void ReadConfigFile(map<string, string>& mapSettingsRet, map<string, vector<string> >& mapMultiSettingsRet); |
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#ifdef __WXMSW__ |
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string MyGetSpecialFolderPath(int nFolder, bool fCreate); |
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#endif |
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string GetDefaultDataDir(); |
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string GetDataDir(); |
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void ShrinkDebugFile(); |
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int GetRandInt(int nMax); |
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uint64 GetRand(uint64 nMax); |
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int64 GetTime(); |
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int64 GetAdjustedTime(); |
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void AddTimeData(unsigned int ip, int64 nTime); |
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// Wrapper to automatically initialize critical sections |
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class CCriticalSection |
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{ |
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#ifdef __WXMSW__ |
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protected: |
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CRITICAL_SECTION cs; |
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public: |
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explicit CCriticalSection() { InitializeCriticalSection(&cs); } |
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~CCriticalSection() { DeleteCriticalSection(&cs); } |
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void Enter() { EnterCriticalSection(&cs); } |
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void Leave() { LeaveCriticalSection(&cs); } |
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bool TryEnter() { return TryEnterCriticalSection(&cs); } |
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#else |
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protected: |
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boost::interprocess::interprocess_recursive_mutex mutex; |
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public: |
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explicit CCriticalSection() { } |
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~CCriticalSection() { } |
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void Enter() { mutex.lock(); } |
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void Leave() { mutex.unlock(); } |
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bool TryEnter() { return mutex.try_lock(); } |
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#endif |
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public: |
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const char* pszFile; |
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int nLine; |
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}; |
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// Automatically leave critical section when leaving block, needed for exception safety |
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class CCriticalBlock |
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{ |
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protected: |
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CCriticalSection* pcs; |
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public: |
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CCriticalBlock(CCriticalSection& csIn) { pcs = &csIn; pcs->Enter(); } |
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~CCriticalBlock() { pcs->Leave(); } |
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}; |
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// WARNING: This will catch continue and break! |
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// break is caught with an assertion, but there's no way to detect continue. |
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// I'd rather be careful than suffer the other more error prone syntax. |
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// The compiler will optimise away all this loop junk. |
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#define CRITICAL_BLOCK(cs) \ |
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for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by CRITICAL_BLOCK!", !fcriticalblockonce)), fcriticalblockonce=false) \ |
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for (CCriticalBlock criticalblock(cs); fcriticalblockonce && (cs.pszFile=__FILE__, cs.nLine=__LINE__, true); fcriticalblockonce=false, cs.pszFile=NULL, cs.nLine=0) |
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class CTryCriticalBlock |
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{ |
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protected: |
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CCriticalSection* pcs; |
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public: |
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CTryCriticalBlock(CCriticalSection& csIn) { pcs = (csIn.TryEnter() ? &csIn : NULL); } |
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~CTryCriticalBlock() { if (pcs) pcs->Leave(); } |
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bool Entered() { return pcs != NULL; } |
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}; |
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#define TRY_CRITICAL_BLOCK(cs) \ |
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for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by TRY_CRITICAL_BLOCK!", !fcriticalblockonce)), fcriticalblockonce=false) \ |
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for (CTryCriticalBlock criticalblock(cs); fcriticalblockonce && (fcriticalblockonce = criticalblock.Entered()) && (cs.pszFile=__FILE__, cs.nLine=__LINE__, true); fcriticalblockonce=false, cs.pszFile=NULL, cs.nLine=0) |
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inline string i64tostr(int64 n) |
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{ |
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return strprintf("%"PRI64d, n); |
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} |
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inline string itostr(int n) |
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{ |
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return strprintf("%d", n); |
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} |
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inline int64 atoi64(const char* psz) |
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{ |
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#ifdef _MSC_VER |
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return _atoi64(psz); |
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#else |
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return strtoll(psz, NULL, 10); |
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#endif |
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} |
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inline int64 atoi64(const string& str) |
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{ |
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#ifdef _MSC_VER |
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return _atoi64(str.c_str()); |
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#else |
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return strtoll(str.c_str(), NULL, 10); |
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#endif |
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} |
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inline int atoi(const string& str) |
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{ |
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return atoi(str.c_str()); |
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} |
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inline int roundint(double d) |
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{ |
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return (int)(d > 0 ? d + 0.5 : d - 0.5); |
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} |
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inline int64 roundint64(double d) |
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{ |
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return (int64)(d > 0 ? d + 0.5 : d - 0.5); |
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} |
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inline int64 abs64(int64 n) |
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{ |
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return (n >= 0 ? n : -n); |
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} |
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template<typename T> |
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string HexStr(const T itbegin, const T itend, bool fSpaces=false) |
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{ |
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if (itbegin == itend) |
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return ""; |
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const unsigned char* pbegin = (const unsigned char*)&itbegin[0]; |
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const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]); |
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string str; |
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str.reserve((pend-pbegin) * (fSpaces ? 3 : 2)); |
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for (const unsigned char* p = pbegin; p != pend; p++) |
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str += strprintf((fSpaces && p != pend-1 ? "%02x " : "%02x"), *p); |
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return str; |
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} |
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inline string HexStr(const vector<unsigned char>& vch, bool fSpaces=false) |
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{ |
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return HexStr(vch.begin(), vch.end(), fSpaces); |
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} |
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template<typename T> |
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string HexNumStr(const T itbegin, const T itend, bool f0x=true) |
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{ |
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if (itbegin == itend) |
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return ""; |
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const unsigned char* pbegin = (const unsigned char*)&itbegin[0]; |
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const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]); |
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string str = (f0x ? "0x" : ""); |
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str.reserve(str.size() + (pend-pbegin) * 2); |
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for (const unsigned char* p = pend-1; p >= pbegin; p--) |
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str += strprintf("%02x", *p); |
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return str; |
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} |
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inline string HexNumStr(const vector<unsigned char>& vch, bool f0x=true) |
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{ |
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return HexNumStr(vch.begin(), vch.end(), f0x); |
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} |
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template<typename T> |
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void PrintHex(const T pbegin, const T pend, const char* pszFormat="%s", bool fSpaces=true) |
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{ |
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printf(pszFormat, HexStr(pbegin, pend, fSpaces).c_str()); |
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} |
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inline void PrintHex(const vector<unsigned char>& vch, const char* pszFormat="%s", bool fSpaces=true) |
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{ |
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printf(pszFormat, HexStr(vch, fSpaces).c_str()); |
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} |
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inline int64 GetPerformanceCounter() |
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{ |
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int64 nCounter = 0; |
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#ifdef __WXMSW__ |
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QueryPerformanceCounter((LARGE_INTEGER*)&nCounter); |
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#else |
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timeval t; |
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gettimeofday(&t, NULL); |
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nCounter = t.tv_sec * 1000000 + t.tv_usec; |
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#endif |
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return nCounter; |
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} |
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inline int64 GetTimeMillis() |
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{ |
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return (posix_time::ptime(posix_time::microsec_clock::universal_time()) - |
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posix_time::ptime(gregorian::date(1970,1,1))).total_milliseconds(); |
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} |
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inline string DateTimeStrFormat(const char* pszFormat, int64 nTime) |
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{ |
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time_t n = nTime; |
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struct tm* ptmTime = gmtime(&n); |
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char pszTime[200]; |
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strftime(pszTime, sizeof(pszTime), pszFormat, ptmTime); |
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return pszTime; |
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} |
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template<typename T> |
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void skipspaces(T& it) |
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{ |
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while (isspace(*it)) |
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++it; |
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} |
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inline bool IsSwitchChar(char c) |
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{ |
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#ifdef __WXMSW__ |
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return c == '-' || c == '/'; |
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#else |
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return c == '-'; |
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#endif |
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} |
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inline string GetArg(const string& strArg, const string& strDefault) |
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{ |
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if (mapArgs.count(strArg)) |
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return mapArgs[strArg]; |
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return strDefault; |
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} |
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inline int64 GetArg(const string& strArg, int64 nDefault) |
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{ |
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if (mapArgs.count(strArg)) |
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return atoi64(mapArgs[strArg]); |
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return nDefault; |
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} |
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inline bool GetBoolArg(const string& strArg) |
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{ |
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if (mapArgs.count(strArg)) |
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{ |
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if (mapArgs[strArg].empty()) |
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return true; |
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return (atoi(mapArgs[strArg]) != 0); |
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} |
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return false; |
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} |
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inline string FormatVersion(int nVersion) |
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{ |
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if (nVersion%100 == 0) |
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return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100); |
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else |
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return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100); |
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} |
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inline void heapchk() |
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{ |
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#ifdef __WXMSW__ |
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/// for debugging |
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//if (_heapchk() != _HEAPOK) |
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// DebugBreak(); |
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#endif |
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} |
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// Randomize the stack to help protect against buffer overrun exploits |
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#define IMPLEMENT_RANDOMIZE_STACK(ThreadFn) \ |
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{ \ |
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static char nLoops; \ |
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if (nLoops <= 0) \ |
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nLoops = GetRand(20) + 1; \ |
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if (nLoops-- > 1) \ |
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{ \ |
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ThreadFn; \ |
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return; \ |
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} \ |
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} |
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#define CATCH_PRINT_EXCEPTION(pszFn) \ |
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catch (std::exception& e) { \ |
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PrintException(&e, (pszFn)); \ |
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} catch (...) { \ |
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PrintException(NULL, (pszFn)); \ |
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} |
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template<typename T1> |
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inline uint256 Hash(const T1 pbegin, const T1 pend) |
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{ |
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static unsigned char pblank[1]; |
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uint256 hash1; |
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SHA256((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1); |
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uint256 hash2; |
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SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); |
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return hash2; |
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} |
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template<typename T1, typename T2> |
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inline uint256 Hash(const T1 p1begin, const T1 p1end, |
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const T2 p2begin, const T2 p2end) |
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{ |
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static unsigned char pblank[1]; |
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uint256 hash1; |
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SHA256_CTX ctx; |
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SHA256_Init(&ctx); |
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SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0])); |
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SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0])); |
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SHA256_Final((unsigned char*)&hash1, &ctx); |
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uint256 hash2; |
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SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); |
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return hash2; |
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} |
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template<typename T1, typename T2, typename T3> |
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inline uint256 Hash(const T1 p1begin, const T1 p1end, |
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const T2 p2begin, const T2 p2end, |
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const T3 p3begin, const T3 p3end) |
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{ |
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static unsigned char pblank[1]; |
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uint256 hash1; |
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SHA256_CTX ctx; |
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SHA256_Init(&ctx); |
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SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0])); |
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SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0])); |
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SHA256_Update(&ctx, (p3begin == p3end ? pblank : (unsigned char*)&p3begin[0]), (p3end - p3begin) * sizeof(p3begin[0])); |
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SHA256_Final((unsigned char*)&hash1, &ctx); |
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uint256 hash2; |
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SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); |
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return hash2; |
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} |
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template<typename T> |
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uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=VERSION) |
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{ |
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// Most of the time is spent allocating and deallocating CDataStream's |
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// buffer. If this ever needs to be optimized further, make a CStaticStream |
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// class with its buffer on the stack. |
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CDataStream ss(nType, nVersion); |
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ss.reserve(10000); |
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ss << obj; |
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return Hash(ss.begin(), ss.end()); |
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} |
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inline uint160 Hash160(const vector<unsigned char>& vch) |
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{ |
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uint256 hash1; |
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SHA256(&vch[0], vch.size(), (unsigned char*)&hash1); |
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uint160 hash2; |
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RIPEMD160((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2); |
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return hash2; |
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} |
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// Note: It turns out we might have been able to use boost::thread |
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// by using TerminateThread(boost::thread.native_handle(), 0); |
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#ifdef __WXMSW__ |
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typedef HANDLE pthread_t; |
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inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false) |
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{ |
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DWORD nUnused = 0; |
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HANDLE hthread = |
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CreateThread( |
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NULL, // default security |
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0, // inherit stack size from parent |
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(LPTHREAD_START_ROUTINE)pfn, // function pointer |
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parg, // argument |
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0, // creation option, start immediately |
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&nUnused); // thread identifier |
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if (hthread == NULL) |
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{ |
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printf("Error: CreateThread() returned %d\n", GetLastError()); |
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return (pthread_t)0; |
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} |
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if (!fWantHandle) |
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{ |
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CloseHandle(hthread); |
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return (pthread_t)-1; |
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} |
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return hthread; |
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} |
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inline void SetThreadPriority(int nPriority) |
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{ |
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SetThreadPriority(GetCurrentThread(), nPriority); |
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} |
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#else |
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inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false) |
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{ |
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pthread_t hthread = 0; |
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int ret = pthread_create(&hthread, NULL, (void*(*)(void*))pfn, parg); |
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if (ret != 0) |
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{ |
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printf("Error: pthread_create() returned %d\n", ret); |
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return (pthread_t)0; |
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} |
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if (!fWantHandle) |
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return (pthread_t)-1; |
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return hthread; |
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} |
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#define THREAD_PRIORITY_LOWEST PRIO_MAX |
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#define THREAD_PRIORITY_BELOW_NORMAL 2 |
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#define THREAD_PRIORITY_NORMAL 0 |
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#define THREAD_PRIORITY_ABOVE_NORMAL 0 |
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inline void SetThreadPriority(int nPriority) |
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{ |
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// It's unclear if it's even possible to change thread priorities on Linux, |
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// but we really and truly need it for the generation threads. |
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#ifdef PRIO_THREAD |
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setpriority(PRIO_THREAD, 0, nPriority); |
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#else |
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setpriority(PRIO_PROCESS, 0, nPriority); |
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#endif |
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} |
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inline bool TerminateThread(pthread_t hthread, unsigned int nExitCode) |
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{ |
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return (pthread_cancel(hthread) == 0); |
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} |
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inline void ExitThread(unsigned int nExitCode) |
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{ |
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pthread_exit((void*)nExitCode); |
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} |
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#endif |
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inline bool AffinityBugWorkaround(void(*pfn)(void*)) |
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{ |
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#ifdef __WXMSW__ |
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// Sometimes after a few hours affinity gets stuck on one processor |
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DWORD dwProcessAffinityMask = -1; |
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DWORD dwSystemAffinityMask = -1; |
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GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask); |
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DWORD dwPrev1 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask); |
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DWORD dwPrev2 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask); |
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if (dwPrev2 != dwProcessAffinityMask) |
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{ |
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printf("AffinityBugWorkaround() : SetThreadAffinityMask=%d, ProcessAffinityMask=%d, restarting thread\n", dwPrev2, dwProcessAffinityMask); |
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if (!CreateThread(pfn, NULL)) |
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printf("Error: CreateThread() failed\n"); |
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return true; |
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} |
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#endif |
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return false; |
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}
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