658 lines
17 KiB
C++
658 lines
17 KiB
C++
// 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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extern bool fLogTimestamps;
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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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string GetPidFile();
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void CreatePidFile(string pidFile, pid_t pid);
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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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string FormatFullVersion();
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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 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)
|
|
{
|
|
// Most of the time is spent allocating and deallocating CDataStream's
|
|
// buffer. If this ever needs to be optimized further, make a CStaticStream
|
|
// class with its buffer on the stack.
|
|
CDataStream ss(nType, nVersion);
|
|
ss.reserve(10000);
|
|
ss << obj;
|
|
return Hash(ss.begin(), ss.end());
|
|
}
|
|
|
|
inline uint160 Hash160(const vector<unsigned char>& vch)
|
|
{
|
|
uint256 hash1;
|
|
SHA256(&vch[0], vch.size(), (unsigned char*)&hash1);
|
|
uint160 hash2;
|
|
RIPEMD160((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
|
|
return hash2;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Note: It turns out we might have been able to use boost::thread
|
|
// by using TerminateThread(boost::thread.native_handle(), 0);
|
|
#ifdef __WXMSW__
|
|
typedef HANDLE pthread_t;
|
|
|
|
inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false)
|
|
{
|
|
DWORD nUnused = 0;
|
|
HANDLE hthread =
|
|
CreateThread(
|
|
NULL, // default security
|
|
0, // inherit stack size from parent
|
|
(LPTHREAD_START_ROUTINE)pfn, // function pointer
|
|
parg, // argument
|
|
0, // creation option, start immediately
|
|
&nUnused); // thread identifier
|
|
if (hthread == NULL)
|
|
{
|
|
printf("Error: CreateThread() returned %d\n", GetLastError());
|
|
return (pthread_t)0;
|
|
}
|
|
if (!fWantHandle)
|
|
{
|
|
CloseHandle(hthread);
|
|
return (pthread_t)-1;
|
|
}
|
|
return hthread;
|
|
}
|
|
|
|
inline void SetThreadPriority(int nPriority)
|
|
{
|
|
SetThreadPriority(GetCurrentThread(), nPriority);
|
|
}
|
|
#else
|
|
inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false)
|
|
{
|
|
pthread_t hthread = 0;
|
|
int ret = pthread_create(&hthread, NULL, (void*(*)(void*))pfn, parg);
|
|
if (ret != 0)
|
|
{
|
|
printf("Error: pthread_create() returned %d\n", ret);
|
|
return (pthread_t)0;
|
|
}
|
|
if (!fWantHandle)
|
|
return (pthread_t)-1;
|
|
return hthread;
|
|
}
|
|
|
|
#define THREAD_PRIORITY_LOWEST PRIO_MAX
|
|
#define THREAD_PRIORITY_BELOW_NORMAL 2
|
|
#define THREAD_PRIORITY_NORMAL 0
|
|
#define THREAD_PRIORITY_ABOVE_NORMAL 0
|
|
|
|
inline void SetThreadPriority(int nPriority)
|
|
{
|
|
// It's unclear if it's even possible to change thread priorities on Linux,
|
|
// but we really and truly need it for the generation threads.
|
|
#ifdef PRIO_THREAD
|
|
setpriority(PRIO_THREAD, 0, nPriority);
|
|
#else
|
|
setpriority(PRIO_PROCESS, 0, nPriority);
|
|
#endif
|
|
}
|
|
|
|
inline bool TerminateThread(pthread_t hthread, unsigned int nExitCode)
|
|
{
|
|
return (pthread_cancel(hthread) == 0);
|
|
}
|
|
|
|
inline void ExitThread(unsigned int nExitCode)
|
|
{
|
|
pthread_exit((void*)nExitCode);
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
inline bool AffinityBugWorkaround(void(*pfn)(void*))
|
|
{
|
|
#ifdef __WXMSW__
|
|
// Sometimes after a few hours affinity gets stuck on one processor
|
|
DWORD dwProcessAffinityMask = -1;
|
|
DWORD dwSystemAffinityMask = -1;
|
|
GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
|
|
DWORD dwPrev1 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask);
|
|
DWORD dwPrev2 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask);
|
|
if (dwPrev2 != dwProcessAffinityMask)
|
|
{
|
|
printf("AffinityBugWorkaround() : SetThreadAffinityMask=%d, ProcessAffinityMask=%d, restarting thread\n", dwPrev2, dwProcessAffinityMask);
|
|
if (!CreateThread(pfn, NULL))
|
|
printf("Error: CreateThread() failed\n");
|
|
return true;
|
|
}
|
|
#endif
|
|
return false;
|
|
}
|