1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Distributed under the MIT/X11 software license, see the accompanying
3 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
6 #if defined(_MSC_VER) || defined(__BORLANDC__)
8 typedef unsigned __int64 uint64;
10 typedef long long int64;
11 typedef unsigned long long uint64;
13 #if defined(_MSC_VER) && _MSC_VER < 1300
14 #define for if (false) ; else for
17 #define __forceinline inline
20 #define foreach BOOST_FOREACH
22 #define BEGIN(a) ((char*)&(a))
23 #define END(a) ((char*)&((&(a))[1]))
24 #define UBEGIN(a) ((unsigned char*)&(a))
25 #define UEND(a) ((unsigned char*)&((&(a))[1]))
26 #define ARRAYLEN(array) (sizeof(array)/sizeof((array)[0]))
27 #define printf OutputDebugStringF
32 #define snprintf my_snprintf
35 #if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MSVCRT__)
46 // This is needed because the foreach macro can't get over the comma in pair<t1, t2>
47 #define PAIRTYPE(t1, t2) pair<t1, t2>
49 // Used to bypass the rule against non-const reference to temporary
50 // where it makes sense with wrappers such as CFlatData or CTxDB
52 inline T& REF(const T& val)
57 // Align by increasing pointer, must have extra space at end of buffer
58 template <size_t nBytes, typename T>
67 u.n = (u.n + (nBytes-1)) & ~(nBytes-1);
72 #define MSG_NOSIGNAL 0
73 #define MSG_DONTWAIT 0
75 #define UINT64_MAX _UI64_MAX
76 #define INT64_MAX _I64_MAX
77 #define INT64_MIN _I64_MIN
83 #define unlink _unlink
84 typedef int socklen_t;
86 #define WSAGetLastError() errno
87 #define WSAEWOULDBLOCK EWOULDBLOCK
88 #define WSAEMSGSIZE EMSGSIZE
89 #define WSAEINTR EINTR
90 #define WSAEINPROGRESS EINPROGRESS
91 #define WSAEADDRINUSE EADDRINUSE
92 #define WSAENOTSOCK EBADF
93 #define INVALID_SOCKET (SOCKET)(~0)
94 #define SOCKET_ERROR -1
96 #define _vsnprintf(a,b,c,d) vsnprintf(a,b,c,d)
97 #define strlwr(psz) to_lower(psz)
98 #define _strlwr(psz) to_lower(psz)
100 #define Beep(n1,n2) (0)
101 inline void Sleep(int64 n)
103 boost::thread::sleep(boost::get_system_time() + boost::posix_time::milliseconds(n));
107 inline int myclosesocket(SOCKET& hSocket)
109 if (hSocket == INVALID_SOCKET)
112 int ret = closesocket(hSocket);
114 int ret = close(hSocket);
116 hSocket = INVALID_SOCKET;
119 #define closesocket(s) myclosesocket(s)
122 inline const char* _(const char* psz)
137 extern map<string, string> mapArgs;
138 extern map<string, vector<string> > mapMultiArgs;
140 extern bool fPrintToConsole;
141 extern bool fPrintToDebugger;
142 extern char pszSetDataDir[MAX_PATH];
143 extern bool fRequestShutdown;
144 extern bool fShutdown;
147 extern bool fCommandLine;
148 extern string strMiscWarning;
149 extern bool fTestNet;
150 extern bool fNoListen;
151 extern bool fLogTimestamps;
154 void RandAddSeedPerfmon();
155 int OutputDebugStringF(const char* pszFormat, ...);
156 int my_snprintf(char* buffer, size_t limit, const char* format, ...);
157 string strprintf(const char* format, ...);
158 bool error(const char* format, ...);
159 void LogException(std::exception* pex, const char* pszThread);
160 void PrintException(std::exception* pex, const char* pszThread);
161 void PrintExceptionContinue(std::exception* pex, const char* pszThread);
162 void ParseString(const string& str, char c, vector<string>& v);
163 string FormatMoney(int64 n, bool fPlus=false);
164 bool ParseMoney(const string& str, int64& nRet);
165 bool ParseMoney(const char* pszIn, int64& nRet);
166 vector<unsigned char> ParseHex(const char* psz);
167 vector<unsigned char> ParseHex(const string& str);
168 void ParseParameters(int argc, char* argv[]);
169 const char* wxGetTranslation(const char* psz);
170 bool WildcardMatch(const char* psz, const char* mask);
171 bool WildcardMatch(const string& str, const string& mask);
172 int GetFilesize(FILE* file);
173 void GetDataDir(char* pszDirRet);
174 string GetConfigFile();
175 void ReadConfigFile(map<string, string>& mapSettingsRet, map<string, vector<string> >& mapMultiSettingsRet);
177 string MyGetSpecialFolderPath(int nFolder, bool fCreate);
179 string GetDefaultDataDir();
181 void ShrinkDebugFile();
182 int GetRandInt(int nMax);
183 uint64 GetRand(uint64 nMax);
185 int64 GetAdjustedTime();
186 void AddTimeData(unsigned int ip, int64 nTime);
200 // Wrapper to automatically initialize critical sections
201 class CCriticalSection
207 explicit CCriticalSection() { InitializeCriticalSection(&cs); }
208 ~CCriticalSection() { DeleteCriticalSection(&cs); }
209 void Enter() { EnterCriticalSection(&cs); }
210 void Leave() { LeaveCriticalSection(&cs); }
211 bool TryEnter() { return TryEnterCriticalSection(&cs); }
214 boost::interprocess::interprocess_recursive_mutex mutex;
216 explicit CCriticalSection() { }
217 ~CCriticalSection() { }
218 void Enter() { mutex.lock(); }
219 void Leave() { mutex.unlock(); }
220 bool TryEnter() { return mutex.try_lock(); }
227 // Automatically leave critical section when leaving block, needed for exception safety
231 CCriticalSection* pcs;
233 CCriticalBlock(CCriticalSection& csIn) { pcs = &csIn; pcs->Enter(); }
234 ~CCriticalBlock() { pcs->Leave(); }
237 // WARNING: This will catch continue and break!
238 // break is caught with an assertion, but there's no way to detect continue.
239 // I'd rather be careful than suffer the other more error prone syntax.
240 // The compiler will optimise away all this loop junk.
241 #define CRITICAL_BLOCK(cs) \
242 for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by CRITICAL_BLOCK!", !fcriticalblockonce)), fcriticalblockonce=false) \
243 for (CCriticalBlock criticalblock(cs); fcriticalblockonce && (cs.pszFile=__FILE__, cs.nLine=__LINE__, true); fcriticalblockonce=false, cs.pszFile=NULL, cs.nLine=0)
245 class CTryCriticalBlock
248 CCriticalSection* pcs;
250 CTryCriticalBlock(CCriticalSection& csIn) { pcs = (csIn.TryEnter() ? &csIn : NULL); }
251 ~CTryCriticalBlock() { if (pcs) pcs->Leave(); }
252 bool Entered() { return pcs != NULL; }
255 #define TRY_CRITICAL_BLOCK(cs) \
256 for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by TRY_CRITICAL_BLOCK!", !fcriticalblockonce)), fcriticalblockonce=false) \
257 for (CTryCriticalBlock criticalblock(cs); fcriticalblockonce && (fcriticalblockonce = criticalblock.Entered()) && (cs.pszFile=__FILE__, cs.nLine=__LINE__, true); fcriticalblockonce=false, cs.pszFile=NULL, cs.nLine=0)
268 inline string i64tostr(int64 n)
270 return strprintf("%"PRI64d, n);
273 inline string itostr(int n)
275 return strprintf("%d", n);
278 inline int64 atoi64(const char* psz)
283 return strtoll(psz, NULL, 10);
287 inline int64 atoi64(const string& str)
290 return _atoi64(str.c_str());
292 return strtoll(str.c_str(), NULL, 10);
296 inline int atoi(const string& str)
298 return atoi(str.c_str());
301 inline int roundint(double d)
303 return (int)(d > 0 ? d + 0.5 : d - 0.5);
306 inline int64 roundint64(double d)
308 return (int64)(d > 0 ? d + 0.5 : d - 0.5);
311 inline int64 abs64(int64 n)
313 return (n >= 0 ? n : -n);
317 string HexStr(const T itbegin, const T itend, bool fSpaces=false)
319 if (itbegin == itend)
321 const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
322 const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
324 str.reserve((pend-pbegin) * (fSpaces ? 3 : 2));
325 for (const unsigned char* p = pbegin; p != pend; p++)
326 str += strprintf((fSpaces && p != pend-1 ? "%02x " : "%02x"), *p);
330 inline string HexStr(const vector<unsigned char>& vch, bool fSpaces=false)
332 return HexStr(vch.begin(), vch.end(), fSpaces);
336 string HexNumStr(const T itbegin, const T itend, bool f0x=true)
338 if (itbegin == itend)
340 const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
341 const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
342 string str = (f0x ? "0x" : "");
343 str.reserve(str.size() + (pend-pbegin) * 2);
344 for (const unsigned char* p = pend-1; p >= pbegin; p--)
345 str += strprintf("%02x", *p);
349 inline string HexNumStr(const vector<unsigned char>& vch, bool f0x=true)
351 return HexNumStr(vch.begin(), vch.end(), f0x);
355 void PrintHex(const T pbegin, const T pend, const char* pszFormat="%s", bool fSpaces=true)
357 printf(pszFormat, HexStr(pbegin, pend, fSpaces).c_str());
360 inline void PrintHex(const vector<unsigned char>& vch, const char* pszFormat="%s", bool fSpaces=true)
362 printf(pszFormat, HexStr(vch, fSpaces).c_str());
365 inline int64 GetPerformanceCounter()
369 QueryPerformanceCounter((LARGE_INTEGER*)&nCounter);
372 gettimeofday(&t, NULL);
373 nCounter = t.tv_sec * 1000000 + t.tv_usec;
378 inline int64 GetTimeMillis()
380 return (posix_time::ptime(posix_time::microsec_clock::universal_time()) -
381 posix_time::ptime(gregorian::date(1970,1,1))).total_milliseconds();
384 inline string DateTimeStrFormat(const char* pszFormat, int64 nTime)
387 struct tm* ptmTime = gmtime(&n);
389 strftime(pszTime, sizeof(pszTime), pszFormat, ptmTime);
394 void skipspaces(T& it)
400 inline bool IsSwitchChar(char c)
403 return c == '-' || c == '/';
409 inline string GetArg(const string& strArg, const string& strDefault)
411 if (mapArgs.count(strArg))
412 return mapArgs[strArg];
416 inline int64 GetArg(const string& strArg, int64 nDefault)
418 if (mapArgs.count(strArg))
419 return atoi64(mapArgs[strArg]);
423 inline bool GetBoolArg(const string& strArg)
425 if (mapArgs.count(strArg))
427 if (mapArgs[strArg].empty())
429 return (atoi(mapArgs[strArg]) != 0);
434 inline string FormatVersion(int nVersion)
436 if (nVersion%100 == 0)
437 return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
439 return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
451 inline void heapchk()
455 //if (_heapchk() != _HEAPOK)
460 // Randomize the stack to help protect against buffer overrun exploits
461 #define IMPLEMENT_RANDOMIZE_STACK(ThreadFn) \
463 static char nLoops; \
465 nLoops = GetRand(20) + 1; \
473 #define CATCH_PRINT_EXCEPTION(pszFn) \
474 catch (std::exception& e) { \
475 PrintException(&e, (pszFn)); \
477 PrintException(NULL, (pszFn)); \
489 template<typename T1>
490 inline uint256 Hash(const T1 pbegin, const T1 pend)
492 static unsigned char pblank[1];
494 SHA256((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1);
496 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
500 template<typename T1, typename T2>
501 inline uint256 Hash(const T1 p1begin, const T1 p1end,
502 const T2 p2begin, const T2 p2end)
504 static unsigned char pblank[1];
508 SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0]));
509 SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0]));
510 SHA256_Final((unsigned char*)&hash1, &ctx);
512 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
516 template<typename T1, typename T2, typename T3>
517 inline uint256 Hash(const T1 p1begin, const T1 p1end,
518 const T2 p2begin, const T2 p2end,
519 const T3 p3begin, const T3 p3end)
521 static unsigned char pblank[1];
525 SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0]));
526 SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0]));
527 SHA256_Update(&ctx, (p3begin == p3end ? pblank : (unsigned char*)&p3begin[0]), (p3end - p3begin) * sizeof(p3begin[0]));
528 SHA256_Final((unsigned char*)&hash1, &ctx);
530 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
535 uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=VERSION)
537 // Most of the time is spent allocating and deallocating CDataStream's
538 // buffer. If this ever needs to be optimized further, make a CStaticStream
539 // class with its buffer on the stack.
540 CDataStream ss(nType, nVersion);
543 return Hash(ss.begin(), ss.end());
546 inline uint160 Hash160(const vector<unsigned char>& vch)
549 SHA256(&vch[0], vch.size(), (unsigned char*)&hash1);
551 RIPEMD160((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
565 // Note: It turns out we might have been able to use boost::thread
566 // by using TerminateThread(boost::thread.native_handle(), 0);
568 typedef HANDLE pthread_t;
570 inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false)
575 NULL, // default security
576 0, // inherit stack size from parent
577 (LPTHREAD_START_ROUTINE)pfn, // function pointer
579 0, // creation option, start immediately
580 &nUnused); // thread identifier
583 printf("Error: CreateThread() returned %d\n", GetLastError());
588 CloseHandle(hthread);
589 return (pthread_t)-1;
594 inline void SetThreadPriority(int nPriority)
596 SetThreadPriority(GetCurrentThread(), nPriority);
599 inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false)
601 pthread_t hthread = 0;
602 int ret = pthread_create(&hthread, NULL, (void*(*)(void*))pfn, parg);
605 printf("Error: pthread_create() returned %d\n", ret);
609 return (pthread_t)-1;
613 #define THREAD_PRIORITY_LOWEST PRIO_MAX
614 #define THREAD_PRIORITY_BELOW_NORMAL 2
615 #define THREAD_PRIORITY_NORMAL 0
616 #define THREAD_PRIORITY_ABOVE_NORMAL 0
618 inline void SetThreadPriority(int nPriority)
620 // It's unclear if it's even possible to change thread priorities on Linux,
621 // but we really and truly need it for the generation threads.
623 setpriority(PRIO_THREAD, 0, nPriority);
625 setpriority(PRIO_PROCESS, 0, nPriority);
629 inline bool TerminateThread(pthread_t hthread, unsigned int nExitCode)
631 return (pthread_cancel(hthread) == 0);
634 inline void ExitThread(unsigned int nExitCode)
636 pthread_exit((void*)nExitCode);
644 inline bool AffinityBugWorkaround(void(*pfn)(void*))
647 // Sometimes after a few hours affinity gets stuck on one processor
648 DWORD dwProcessAffinityMask = -1;
649 DWORD dwSystemAffinityMask = -1;
650 GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
651 DWORD dwPrev1 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask);
652 DWORD dwPrev2 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask);
653 if (dwPrev2 != dwProcessAffinityMask)
655 printf("AffinityBugWorkaround() : SetThreadAffinityMask=%d, ProcessAffinityMask=%d, restarting thread\n", dwPrev2, dwProcessAffinityMask);
656 if (!CreateThread(pfn, NULL))
657 printf("Error: CreateThread() failed\n");