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 // Align by increasing pointer, must have extra space at end of buffer
71 template <size_t nBytes, typename T>
80 u.n = (u.n + (nBytes-1)) & ~(nBytes-1);
85 #define MSG_NOSIGNAL 0
86 #define MSG_DONTWAIT 0
88 #define UINT64_MAX _UI64_MAX
89 #define INT64_MAX _I64_MAX
90 #define INT64_MIN _I64_MIN
96 #define unlink _unlink
97 typedef int socklen_t;
99 #define WSAGetLastError() errno
100 #define WSAEINVAL EINVAL
101 #define WSAEALREADY EALREADY
102 #define WSAEWOULDBLOCK EWOULDBLOCK
103 #define WSAEMSGSIZE EMSGSIZE
104 #define WSAEINTR EINTR
105 #define WSAEINPROGRESS EINPROGRESS
106 #define WSAEADDRINUSE EADDRINUSE
107 #define WSAENOTSOCK EBADF
108 #define INVALID_SOCKET (SOCKET)(~0)
109 #define SOCKET_ERROR -1
110 typedef u_int SOCKET;
111 #define _vsnprintf(a,b,c,d) vsnprintf(a,b,c,d)
112 #define strlwr(psz) to_lower(psz)
113 #define _strlwr(psz) to_lower(psz)
114 #define MAX_PATH 1024
115 #define Beep(n1,n2) (0)
116 inline void Sleep(int64 n)
118 boost::thread::sleep(boost::get_system_time() + boost::posix_time::milliseconds(n));
122 inline int myclosesocket(SOCKET& hSocket)
124 if (hSocket == INVALID_SOCKET)
127 int ret = closesocket(hSocket);
129 int ret = close(hSocket);
131 hSocket = INVALID_SOCKET;
134 #define closesocket(s) myclosesocket(s)
137 inline const char* _(const char* psz)
152 extern std::map<std::string, std::string> mapArgs;
153 extern std::map<std::string, std::vector<std::string> > mapMultiArgs;
155 extern bool fPrintToConsole;
156 extern bool fPrintToDebugger;
157 extern char pszSetDataDir[MAX_PATH];
158 extern bool fRequestShutdown;
159 extern bool fShutdown;
162 extern bool fCommandLine;
163 extern std::string strMiscWarning;
164 extern bool fTestNet;
165 extern bool fNoListen;
166 extern bool fLogTimestamps;
169 void RandAddSeedPerfmon();
170 int OutputDebugStringF(const char* pszFormat, ...);
171 int my_snprintf(char* buffer, size_t limit, const char* format, ...);
172 std::string strprintf(const char* format, ...);
173 bool error(const char* format, ...);
174 void LogException(std::exception* pex, const char* pszThread);
175 void PrintException(std::exception* pex, const char* pszThread);
176 void PrintExceptionContinue(std::exception* pex, const char* pszThread);
177 void ParseString(const std::string& str, char c, std::vector<std::string>& v);
178 std::string FormatMoney(int64 n, bool fPlus=false);
179 bool ParseMoney(const std::string& str, int64& nRet);
180 bool ParseMoney(const char* pszIn, int64& nRet);
181 std::vector<unsigned char> ParseHex(const char* psz);
182 std::vector<unsigned char> ParseHex(const std::string& str);
183 void ParseParameters(int argc, char* argv[]);
184 const char* wxGetTranslation(const char* psz);
185 bool WildcardMatch(const char* psz, const char* mask);
186 bool WildcardMatch(const std::string& str, const std::string& mask);
187 int GetFilesize(FILE* file);
188 void GetDataDir(char* pszDirRet);
189 std::string GetConfigFile();
190 std::string GetPidFile();
191 void CreatePidFile(std::string pidFile, pid_t pid);
192 void ReadConfigFile(std::map<std::string, std::string>& mapSettingsRet, std::map<std::string, std::vector<std::string> >& mapMultiSettingsRet);
194 std::string MyGetSpecialFolderPath(int nFolder, bool fCreate);
196 std::string GetDefaultDataDir();
197 std::string GetDataDir();
198 void ShrinkDebugFile();
199 int GetRandInt(int nMax);
200 uint64 GetRand(uint64 nMax);
202 int64 GetAdjustedTime();
203 void AddTimeData(unsigned int ip, int64 nTime);
204 std::string FormatFullVersion();
218 // Wrapper to automatically initialize mutex
219 class CCriticalSection
222 boost::interprocess::interprocess_recursive_mutex mutex;
224 explicit CCriticalSection() { }
225 ~CCriticalSection() { }
226 void Enter(const char* pszName, const char* pszFile, int nLine);
228 bool TryEnter(const char* pszName, const char* pszFile, int nLine);
231 // Automatically leave critical section when leaving block, needed for exception safety
235 CCriticalSection* pcs;
238 CCriticalBlock(CCriticalSection& csIn, const char* pszName, const char* pszFile, int nLine)
241 pcs->Enter(pszName, pszFile, nLine);
249 // WARNING: This will catch continue and break!
250 // break is caught with an assertion, but there's no way to detect continue.
251 // I'd rather be careful than suffer the other more error prone syntax.
252 // The compiler will optimise away all this loop junk.
253 #define CRITICAL_BLOCK(cs) \
254 for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by CRITICAL_BLOCK!" && !fcriticalblockonce)), fcriticalblockonce=false) \
255 for (CCriticalBlock criticalblock(cs, #cs, __FILE__, __LINE__); fcriticalblockonce; fcriticalblockonce=false)
257 class CTryCriticalBlock
260 CCriticalSection* pcs;
263 CTryCriticalBlock(CCriticalSection& csIn, const char* pszName, const char* pszFile, int nLine)
265 pcs = (csIn.TryEnter(pszName, pszFile, nLine) ? &csIn : NULL);
274 bool Entered() { return pcs != NULL; }
277 #define TRY_CRITICAL_BLOCK(cs) \
278 for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by TRY_CRITICAL_BLOCK!" && !fcriticalblockonce)), fcriticalblockonce=false) \
279 for (CTryCriticalBlock criticalblock(cs, #cs, __FILE__, __LINE__); fcriticalblockonce && (fcriticalblockonce = criticalblock.Entered()); fcriticalblockonce=false)
290 inline std::string i64tostr(int64 n)
292 return strprintf("%"PRI64d, n);
295 inline std::string itostr(int n)
297 return strprintf("%d", n);
300 inline int64 atoi64(const char* psz)
305 return strtoll(psz, NULL, 10);
309 inline int64 atoi64(const std::string& str)
312 return _atoi64(str.c_str());
314 return strtoll(str.c_str(), NULL, 10);
318 inline int atoi(const std::string& str)
320 return atoi(str.c_str());
323 inline int roundint(double d)
325 return (int)(d > 0 ? d + 0.5 : d - 0.5);
328 inline int64 roundint64(double d)
330 return (int64)(d > 0 ? d + 0.5 : d - 0.5);
333 inline int64 abs64(int64 n)
335 return (n >= 0 ? n : -n);
339 std::string HexStr(const T itbegin, const T itend, bool fSpaces=false)
341 if (itbegin == itend)
343 const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
344 const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
346 str.reserve((pend-pbegin) * (fSpaces ? 3 : 2));
347 for (const unsigned char* p = pbegin; p != pend; p++)
348 str += strprintf((fSpaces && p != pend-1 ? "%02x " : "%02x"), *p);
352 inline std::string HexStr(const std::vector<unsigned char>& vch, bool fSpaces=false)
354 return HexStr(vch.begin(), vch.end(), fSpaces);
358 std::string HexNumStr(const T itbegin, const T itend, bool f0x=true)
360 if (itbegin == itend)
362 const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
363 const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
364 std::string str = (f0x ? "0x" : "");
365 str.reserve(str.size() + (pend-pbegin) * 2);
366 for (const unsigned char* p = pend-1; p >= pbegin; p--)
367 str += strprintf("%02x", *p);
371 inline std::string HexNumStr(const std::vector<unsigned char>& vch, bool f0x=true)
373 return HexNumStr(vch.begin(), vch.end(), f0x);
377 void PrintHex(const T pbegin, const T pend, const char* pszFormat="%s", bool fSpaces=true)
379 printf(pszFormat, HexStr(pbegin, pend, fSpaces).c_str());
382 inline void PrintHex(const std::vector<unsigned char>& vch, const char* pszFormat="%s", bool fSpaces=true)
384 printf(pszFormat, HexStr(vch, fSpaces).c_str());
387 inline int64 GetPerformanceCounter()
391 QueryPerformanceCounter((LARGE_INTEGER*)&nCounter);
394 gettimeofday(&t, NULL);
395 nCounter = t.tv_sec * 1000000 + t.tv_usec;
400 inline int64 GetTimeMillis()
402 return (boost::posix_time::ptime(boost::posix_time::microsec_clock::universal_time()) -
403 boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_milliseconds();
406 inline std::string DateTimeStrFormat(const char* pszFormat, int64 nTime)
409 struct tm* ptmTime = gmtime(&n);
411 strftime(pszTime, sizeof(pszTime), pszFormat, ptmTime);
416 void skipspaces(T& it)
422 inline bool IsSwitchChar(char c)
425 return c == '-' || c == '/';
431 inline std::string GetArg(const std::string& strArg, const std::string& strDefault)
433 if (mapArgs.count(strArg))
434 return mapArgs[strArg];
438 inline int64 GetArg(const std::string& strArg, int64 nDefault)
440 if (mapArgs.count(strArg))
441 return atoi64(mapArgs[strArg]);
445 inline bool GetBoolArg(const std::string& strArg)
447 if (mapArgs.count(strArg))
449 if (mapArgs[strArg].empty())
451 return (atoi(mapArgs[strArg]) != 0);
465 inline void heapchk()
469 //if (_heapchk() != _HEAPOK)
474 // Randomize the stack to help protect against buffer overrun exploits
475 #define IMPLEMENT_RANDOMIZE_STACK(ThreadFn) \
477 static char nLoops; \
479 nLoops = GetRand(20) + 1; \
487 #define CATCH_PRINT_EXCEPTION(pszFn) \
488 catch (std::exception& e) { \
489 PrintException(&e, (pszFn)); \
491 PrintException(NULL, (pszFn)); \
503 template<typename T1>
504 inline uint256 Hash(const T1 pbegin, const T1 pend)
506 static unsigned char pblank[1];
508 SHA256((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1);
510 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
514 template<typename T1, typename T2>
515 inline uint256 Hash(const T1 p1begin, const T1 p1end,
516 const T2 p2begin, const T2 p2end)
518 static unsigned char pblank[1];
522 SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0]));
523 SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0]));
524 SHA256_Final((unsigned char*)&hash1, &ctx);
526 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
530 template<typename T1, typename T2, typename T3>
531 inline uint256 Hash(const T1 p1begin, const T1 p1end,
532 const T2 p2begin, const T2 p2end,
533 const T3 p3begin, const T3 p3end)
535 static unsigned char pblank[1];
539 SHA256_Update(&ctx, (p1begin == p1end ? pblank : (unsigned char*)&p1begin[0]), (p1end - p1begin) * sizeof(p1begin[0]));
540 SHA256_Update(&ctx, (p2begin == p2end ? pblank : (unsigned char*)&p2begin[0]), (p2end - p2begin) * sizeof(p2begin[0]));
541 SHA256_Update(&ctx, (p3begin == p3end ? pblank : (unsigned char*)&p3begin[0]), (p3end - p3begin) * sizeof(p3begin[0]));
542 SHA256_Final((unsigned char*)&hash1, &ctx);
544 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
549 uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=VERSION)
551 // Most of the time is spent allocating and deallocating CDataStream's
552 // buffer. If this ever needs to be optimized further, make a CStaticStream
553 // class with its buffer on the stack.
554 CDataStream ss(nType, nVersion);
557 return Hash(ss.begin(), ss.end());
560 inline uint160 Hash160(const std::vector<unsigned char>& vch)
563 SHA256(&vch[0], vch.size(), (unsigned char*)&hash1);
565 RIPEMD160((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
579 // Note: It turns out we might have been able to use boost::thread
580 // by using TerminateThread(boost::thread.native_handle(), 0);
582 typedef HANDLE pthread_t;
584 inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false)
589 NULL, // default security
590 0, // inherit stack size from parent
591 (LPTHREAD_START_ROUTINE)pfn, // function pointer
593 0, // creation option, start immediately
594 &nUnused); // thread identifier
597 printf("Error: CreateThread() returned %d\n", GetLastError());
602 CloseHandle(hthread);
603 return (pthread_t)-1;
608 inline void SetThreadPriority(int nPriority)
610 SetThreadPriority(GetCurrentThread(), nPriority);
613 inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false)
615 pthread_t hthread = 0;
616 int ret = pthread_create(&hthread, NULL, (void*(*)(void*))pfn, parg);
619 printf("Error: pthread_create() returned %d\n", ret);
624 pthread_detach(hthread);
625 return (pthread_t)-1;
630 #define THREAD_PRIORITY_LOWEST PRIO_MAX
631 #define THREAD_PRIORITY_BELOW_NORMAL 2
632 #define THREAD_PRIORITY_NORMAL 0
633 #define THREAD_PRIORITY_ABOVE_NORMAL 0
635 inline void SetThreadPriority(int nPriority)
637 // It's unclear if it's even possible to change thread priorities on Linux,
638 // but we really and truly need it for the generation threads.
640 setpriority(PRIO_THREAD, 0, nPriority);
642 setpriority(PRIO_PROCESS, 0, nPriority);
646 inline bool TerminateThread(pthread_t hthread, unsigned int nExitCode)
648 return (pthread_cancel(hthread) == 0);
651 inline void ExitThread(size_t nExitCode)
653 pthread_exit((void*)nExitCode);
661 inline bool AffinityBugWorkaround(void(*pfn)(void*))
664 // Sometimes after a few hours affinity gets stuck on one processor
665 DWORD_PTR dwProcessAffinityMask = -1;
666 DWORD_PTR dwSystemAffinityMask = -1;
667 GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
668 DWORD dwPrev1 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask);
669 DWORD dwPrev2 = SetThreadAffinityMask(GetCurrentThread(), dwProcessAffinityMask);
670 if (dwPrev2 != dwProcessAffinityMask)
672 printf("AffinityBugWorkaround() : SetThreadAffinityMask=%d, ProcessAffinityMask=%d, restarting thread\n", dwPrev2, dwProcessAffinityMask);
673 if (!CreateThread(pfn, NULL))
674 printf("Error: CreateThread() failed\n");