1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2011 The Bitcoin developers
3 // Distributed under the MIT/X11 software license, see the accompanying
4 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
11 #include <sys/types.h>
13 #include <sys/resource.h>
19 #include <boost/thread.hpp>
20 #include <boost/interprocess/sync/interprocess_recursive_mutex.hpp>
21 #include <boost/date_time/gregorian/gregorian_types.hpp>
22 #include <boost/date_time/posix_time/posix_time_types.hpp>
24 #include <openssl/sha.h>
25 #include <openssl/ripemd.h>
28 #if defined(_MSC_VER) || defined(__BORLANDC__)
29 typedef __int64 int64;
30 typedef unsigned __int64 uint64;
32 typedef long long int64;
33 typedef unsigned long long uint64;
35 #if defined(_MSC_VER) && _MSC_VER < 1300
36 #define for if (false) ; else for
39 #define __forceinline inline
43 #define BEGIN(a) ((char*)&(a))
44 #define END(a) ((char*)&((&(a))[1]))
45 #define UBEGIN(a) ((unsigned char*)&(a))
46 #define UEND(a) ((unsigned char*)&((&(a))[1]))
47 #define ARRAYLEN(array) (sizeof(array)/sizeof((array)[0]))
48 #define printf OutputDebugStringF
53 #define snprintf my_snprintf
56 #if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MSVCRT__)
67 // This is needed because the foreach macro can't get over the comma in pair<t1, t2>
68 #define PAIRTYPE(t1, t2) pair<t1, t2>
70 // Used to bypass the rule against non-const reference to temporary
71 // where it makes sense with wrappers such as CFlatData or CTxDB
73 inline T& REF(const T& val)
78 // Align by increasing pointer, must have extra space at end of buffer
79 template <size_t nBytes, typename T>
88 u.n = (u.n + (nBytes-1)) & ~(nBytes-1);
93 #define MSG_NOSIGNAL 0
94 #define MSG_DONTWAIT 0
96 #define UINT64_MAX _UI64_MAX
97 #define INT64_MAX _I64_MAX
98 #define INT64_MIN _I64_MIN
104 #define unlink _unlink
105 typedef int socklen_t;
107 #define WSAGetLastError() errno
108 #define WSAEINVAL EINVAL
109 #define WSAEALREADY EALREADY
110 #define WSAEWOULDBLOCK EWOULDBLOCK
111 #define WSAEMSGSIZE EMSGSIZE
112 #define WSAEINTR EINTR
113 #define WSAEINPROGRESS EINPROGRESS
114 #define WSAEADDRINUSE EADDRINUSE
115 #define WSAENOTSOCK EBADF
116 #define INVALID_SOCKET (SOCKET)(~0)
117 #define SOCKET_ERROR -1
118 typedef u_int SOCKET;
119 #define _vsnprintf(a,b,c,d) vsnprintf(a,b,c,d)
120 #define strlwr(psz) to_lower(psz)
121 #define _strlwr(psz) to_lower(psz)
122 #define MAX_PATH 1024
123 #define Beep(n1,n2) (0)
124 inline void Sleep(int64 n)
126 boost::thread::sleep(boost::get_system_time() + boost::posix_time::milliseconds(n));
130 inline int myclosesocket(SOCKET& hSocket)
132 if (hSocket == INVALID_SOCKET)
135 int ret = closesocket(hSocket);
137 int ret = close(hSocket);
139 hSocket = INVALID_SOCKET;
142 #define closesocket(s) myclosesocket(s)
145 inline const char* _(const char* psz)
160 extern std::map<std::string, std::string> mapArgs;
161 extern std::map<std::string, std::vector<std::string> > mapMultiArgs;
163 extern bool fPrintToConsole;
164 extern bool fPrintToDebugger;
165 extern char pszSetDataDir[MAX_PATH];
166 extern bool fRequestShutdown;
167 extern bool fShutdown;
170 extern bool fCommandLine;
171 extern std::string strMiscWarning;
172 extern bool fTestNet;
173 extern bool fNoListen;
174 extern bool fLogTimestamps;
177 void RandAddSeedPerfmon();
178 int OutputDebugStringF(const char* pszFormat, ...);
179 int my_snprintf(char* buffer, size_t limit, const char* format, ...);
180 std::string strprintf(const char* format, ...);
181 bool error(const char* format, ...);
182 void LogException(std::exception* pex, const char* pszThread);
183 void PrintException(std::exception* pex, const char* pszThread);
184 void PrintExceptionContinue(std::exception* pex, const char* pszThread);
185 void ParseString(const std::string& str, char c, std::vector<std::string>& v);
186 std::string FormatMoney(int64 n, bool fPlus=false);
187 bool ParseMoney(const std::string& str, int64& nRet);
188 bool ParseMoney(const char* pszIn, int64& nRet);
189 std::vector<unsigned char> ParseHex(const char* psz);
190 std::vector<unsigned char> ParseHex(const std::string& str);
191 void ParseParameters(int argc, char* argv[]);
192 const char* wxGetTranslation(const char* psz);
193 bool WildcardMatch(const char* psz, const char* mask);
194 bool WildcardMatch(const std::string& str, const std::string& mask);
195 int GetFilesize(FILE* file);
196 void GetDataDir(char* pszDirRet);
197 std::string GetConfigFile();
198 std::string GetPidFile();
199 void CreatePidFile(std::string pidFile, pid_t pid);
200 void ReadConfigFile(std::map<std::string, std::string>& mapSettingsRet, std::map<std::string, std::vector<std::string> >& mapMultiSettingsRet);
202 std::string MyGetSpecialFolderPath(int nFolder, bool fCreate);
204 std::string GetDefaultDataDir();
205 std::string GetDataDir();
206 void ShrinkDebugFile();
207 int GetRandInt(int nMax);
208 uint64 GetRand(uint64 nMax);
210 int64 GetAdjustedTime();
211 void AddTimeData(unsigned int ip, int64 nTime);
212 std::string FormatFullVersion();
226 // Wrapper to automatically initialize mutex
227 class CCriticalSection
230 boost::interprocess::interprocess_recursive_mutex mutex;
232 explicit CCriticalSection() { }
233 ~CCriticalSection() { }
234 void Enter(const char* pszName, const char* pszFile, int nLine);
236 bool TryEnter(const char* pszName, const char* pszFile, int nLine);
239 // Automatically leave critical section when leaving block, needed for exception safety
243 CCriticalSection* pcs;
246 CCriticalBlock(CCriticalSection& csIn, const char* pszName, const char* pszFile, int nLine)
249 pcs->Enter(pszName, pszFile, nLine);
257 // WARNING: This will catch continue and break!
258 // break is caught with an assertion, but there's no way to detect continue.
259 // I'd rather be careful than suffer the other more error prone syntax.
260 // The compiler will optimise away all this loop junk.
261 #define CRITICAL_BLOCK(cs) \
262 for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by CRITICAL_BLOCK!" && !fcriticalblockonce)), fcriticalblockonce=false) \
263 for (CCriticalBlock criticalblock(cs, #cs, __FILE__, __LINE__); fcriticalblockonce; fcriticalblockonce=false)
265 class CTryCriticalBlock
268 CCriticalSection* pcs;
271 CTryCriticalBlock(CCriticalSection& csIn, const char* pszName, const char* pszFile, int nLine)
273 pcs = (csIn.TryEnter(pszName, pszFile, nLine) ? &csIn : NULL);
282 bool Entered() { return pcs != NULL; }
285 #define TRY_CRITICAL_BLOCK(cs) \
286 for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by TRY_CRITICAL_BLOCK!" && !fcriticalblockonce)), fcriticalblockonce=false) \
287 for (CTryCriticalBlock criticalblock(cs, #cs, __FILE__, __LINE__); fcriticalblockonce && (fcriticalblockonce = criticalblock.Entered()); fcriticalblockonce=false)
298 inline std::string i64tostr(int64 n)
300 return strprintf("%"PRI64d, n);
303 inline std::string itostr(int n)
305 return strprintf("%d", n);
308 inline int64 atoi64(const char* psz)
313 return strtoll(psz, NULL, 10);
317 inline int64 atoi64(const std::string& str)
320 return _atoi64(str.c_str());
322 return strtoll(str.c_str(), NULL, 10);
326 inline int atoi(const std::string& str)
328 return atoi(str.c_str());
331 inline int roundint(double d)
333 return (int)(d > 0 ? d + 0.5 : d - 0.5);
336 inline int64 roundint64(double d)
338 return (int64)(d > 0 ? d + 0.5 : d - 0.5);
341 inline int64 abs64(int64 n)
343 return (n >= 0 ? n : -n);
347 std::string HexStr(const T itbegin, const T itend, bool fSpaces=false)
349 if (itbegin == itend)
351 const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
352 const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
354 str.reserve((pend-pbegin) * (fSpaces ? 3 : 2));
355 for (const unsigned char* p = pbegin; p != pend; p++)
356 str += strprintf((fSpaces && p != pend-1 ? "%02x " : "%02x"), *p);
360 inline std::string HexStr(const std::vector<unsigned char>& vch, bool fSpaces=false)
362 return HexStr(vch.begin(), vch.end(), fSpaces);
366 std::string HexNumStr(const T itbegin, const T itend, bool f0x=true)
368 if (itbegin == itend)
370 const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
371 const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
372 std::string str = (f0x ? "0x" : "");
373 str.reserve(str.size() + (pend-pbegin) * 2);
374 for (const unsigned char* p = pend-1; p >= pbegin; p--)
375 str += strprintf("%02x", *p);
379 inline std::string HexNumStr(const std::vector<unsigned char>& vch, bool f0x=true)
381 return HexNumStr(vch.begin(), vch.end(), f0x);
385 void PrintHex(const T pbegin, const T pend, const char* pszFormat="%s", bool fSpaces=true)
387 printf(pszFormat, HexStr(pbegin, pend, fSpaces).c_str());
390 inline void PrintHex(const std::vector<unsigned char>& vch, const char* pszFormat="%s", bool fSpaces=true)
392 printf(pszFormat, HexStr(vch, fSpaces).c_str());
395 inline int64 GetPerformanceCounter()
399 QueryPerformanceCounter((LARGE_INTEGER*)&nCounter);
402 gettimeofday(&t, NULL);
403 nCounter = t.tv_sec * 1000000 + t.tv_usec;
408 inline int64 GetTimeMillis()
410 return (boost::posix_time::ptime(boost::posix_time::microsec_clock::universal_time()) -
411 boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_milliseconds();
414 inline std::string DateTimeStrFormat(const char* pszFormat, int64 nTime)
417 struct tm* ptmTime = gmtime(&n);
419 strftime(pszTime, sizeof(pszTime), pszFormat, ptmTime);
424 void skipspaces(T& it)
430 inline bool IsSwitchChar(char c)
433 return c == '-' || c == '/';
439 inline std::string GetArg(const std::string& strArg, const std::string& strDefault)
441 if (mapArgs.count(strArg))
442 return mapArgs[strArg];
446 inline int64 GetArg(const std::string& strArg, int64 nDefault)
448 if (mapArgs.count(strArg))
449 return atoi64(mapArgs[strArg]);
453 inline bool GetBoolArg(const std::string& strArg)
455 if (mapArgs.count(strArg))
457 if (mapArgs[strArg].empty())
459 return (atoi(mapArgs[strArg]) != 0);
473 inline void heapchk()
477 //if (_heapchk() != _HEAPOK)
482 // Randomize the stack to help protect against buffer overrun exploits
483 #define IMPLEMENT_RANDOMIZE_STACK(ThreadFn) \
485 static char nLoops; \
487 nLoops = GetRand(20) + 1; \
495 #define CATCH_PRINT_EXCEPTION(pszFn) \
496 catch (std::exception& e) { \
497 PrintException(&e, (pszFn)); \
499 PrintException(NULL, (pszFn)); \
511 template<typename T1>
512 inline uint256 Hash(const T1 pbegin, const T1 pend)
514 static unsigned char pblank[1];
516 SHA256((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1);
518 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
522 template<typename T1, typename T2>
523 inline uint256 Hash(const T1 p1begin, const T1 p1end,
524 const T2 p2begin, const T2 p2end)
526 static unsigned char pblank[1];
530 SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0]));
531 SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0]));
532 SHA256_Final((unsigned char*)&hash1, &ctx);
534 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
538 template<typename T1, typename T2, typename T3>
539 inline uint256 Hash(const T1 p1begin, const T1 p1end,
540 const T2 p2begin, const T2 p2end,
541 const T3 p3begin, const T3 p3end)
543 static unsigned char pblank[1];
547 SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0]));
548 SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0]));
549 SHA256_Update(&ctx, (p3begin == p3end ? pblank : (unsigned char*)&p3begin[0]), (p3end - p3begin) * sizeof(p3begin[0]));
550 SHA256_Final((unsigned char*)&hash1, &ctx);
552 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
557 uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=VERSION)
559 // Most of the time is spent allocating and deallocating CDataStream's
560 // buffer. If this ever needs to be optimized further, make a CStaticStream
561 // class with its buffer on the stack.
562 CDataStream ss(nType, nVersion);
565 return Hash(ss.begin(), ss.end());
568 inline uint160 Hash160(const std::vector<unsigned char>& vch)
571 SHA256(&vch[0], vch.size(), (unsigned char*)&hash1);
573 RIPEMD160((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
587 // Note: It turns out we might have been able to use boost::thread
588 // by using TerminateThread(boost::thread.native_handle(), 0);
590 typedef HANDLE pthread_t;
592 inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false)
597 NULL, // default security
598 0, // inherit stack size from parent
599 (LPTHREAD_START_ROUTINE)pfn, // function pointer
601 0, // creation option, start immediately
602 &nUnused); // thread identifier
605 printf("Error: CreateThread() returned %d\n", GetLastError());
610 CloseHandle(hthread);
611 return (pthread_t)-1;
616 inline void SetThreadPriority(int nPriority)
618 SetThreadPriority(GetCurrentThread(), nPriority);
621 inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false)
623 pthread_t hthread = 0;
624 int ret = pthread_create(&hthread, NULL, (void*(*)(void*))pfn, parg);
627 printf("Error: pthread_create() returned %d\n", ret);
632 pthread_detach(hthread);
633 return (pthread_t)-1;
638 #define THREAD_PRIORITY_LOWEST PRIO_MAX
639 #define THREAD_PRIORITY_BELOW_NORMAL 2
640 #define THREAD_PRIORITY_NORMAL 0
641 #define THREAD_PRIORITY_ABOVE_NORMAL 0
643 inline void SetThreadPriority(int nPriority)
645 // It's unclear if it's even possible to change thread priorities on Linux,
646 // but we really and truly need it for the generation threads.
648 setpriority(PRIO_THREAD, 0, nPriority);
650 setpriority(PRIO_PROCESS, 0, nPriority);
654 inline bool TerminateThread(pthread_t hthread, unsigned int nExitCode)
656 return (pthread_cancel(hthread) == 0);
659 inline void ExitThread(size_t nExitCode)
661 pthread_exit((void*)nExitCode);
669 inline bool AffinityBugWorkaround(void(*pfn)(void*))
672 // Sometimes after a few hours affinity gets stuck on one processor
673 DWORD dwProcessAffinityMask = -1;
674 DWORD dwSystemAffinityMask = -1;
675 GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
676 DWORD dwPrev1 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask);
677 DWORD dwPrev2 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask);
678 if (dwPrev2 != dwProcessAffinityMask)
680 printf("AffinityBugWorkaround() : SetThreadAffinityMask=%d, ProcessAffinityMask=%d, restarting thread\n", dwPrev2, dwProcessAffinityMask);
681 if (!CreateThread(pfn, NULL))
682 printf("Error: CreateThread() failed\n");