1 // Copyright (c) 2009-2010 Satoshi Nakamoto
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2 // Distributed under the MIT/X11 software license, see the accompanying
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3 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
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6 #if defined(_MSC_VER) || defined(__BORLANDC__)
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7 typedef __int64 int64;
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8 typedef unsigned __int64 uint64;
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10 typedef long long int64;
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11 typedef unsigned long long uint64;
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13 #if defined(_MSC_VER) && _MSC_VER < 1300
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14 #define for if (false) ; else for
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17 #define __forceinline inline
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20 #define foreach BOOST_FOREACH
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21 #define loop for (;;)
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22 #define BEGIN(a) ((char*)&(a))
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23 #define END(a) ((char*)&((&(a))[1]))
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24 #define UBEGIN(a) ((unsigned char*)&(a))
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25 #define UEND(a) ((unsigned char*)&((&(a))[1]))
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26 #define ARRAYLEN(array) (sizeof(array)/sizeof((array)[0]))
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27 #define printf OutputDebugStringF
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32 #define snprintf my_snprintf
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35 #if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MSVCRT__)
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36 #define PRI64d "I64d"
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37 #define PRI64u "I64u"
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38 #define PRI64x "I64x"
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40 #define PRI64d "lld"
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41 #define PRI64u "llu"
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42 #define PRI64x "llx"
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46 // This is needed because the foreach macro can't get over the comma in pair<t1, t2>
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47 #define PAIRTYPE(t1, t2) pair<t1, t2>
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49 // Used to bypass the rule against non-const reference to temporary
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50 // where it makes sense with wrappers such as CFlatData or CTxDB
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51 template<typename T>
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52 inline T& REF(const T& val)
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58 static const bool fWindows = true;
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59 #define MSG_NOSIGNAL 0
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60 #define MSG_DONTWAIT 0
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62 #define UINT64_MAX _UI64_MAX
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63 #define INT64_MAX _I64_MAX
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64 #define INT64_MIN _I64_MIN
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67 #define S_IRUSR 0400
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68 #define S_IWUSR 0200
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70 #define unlink _unlink
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71 typedef int socklen_t;
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73 static const bool fWindows = false;
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74 #define WSAGetLastError() errno
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75 #define WSAEWOULDBLOCK EWOULDBLOCK
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76 #define WSAEMSGSIZE EMSGSIZE
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77 #define WSAEINTR EINTR
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78 #define WSAEINPROGRESS EINPROGRESS
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79 #define WSAEADDRINUSE EADDRINUSE
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80 #define WSAENOTSOCK EBADF
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81 #define INVALID_SOCKET (SOCKET)(~0)
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82 #define SOCKET_ERROR -1
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83 typedef u_int SOCKET;
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84 #define _vsnprintf(a,b,c,d) vsnprintf(a,b,c,d)
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85 #define strlwr(psz) to_lower(psz)
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86 #define _strlwr(psz) to_lower(psz)
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87 #define _mkdir(psz) filesystem::create_directory(psz)
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88 #define MAX_PATH 1024
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89 #define Sleep(n) wxMilliSleep(n)
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90 #define Beep(n1,n2) (0)
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93 inline int myclosesocket(SOCKET& hSocket)
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95 if (hSocket == INVALID_SOCKET)
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98 int ret = closesocket(hSocket);
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100 int ret = close(hSocket);
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102 hSocket = INVALID_SOCKET;
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105 #define closesocket(s) myclosesocket(s)
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116 extern map<string, string> mapArgs;
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117 extern map<string, vector<string> > mapMultiArgs;
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118 extern bool fDebug;
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119 extern bool fPrintToConsole;
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120 extern bool fPrintToDebugger;
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121 extern char pszSetDataDir[MAX_PATH];
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122 extern bool fShutdown;
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123 extern bool fDaemon;
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124 extern bool fCommandLine;
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126 void RandAddSeed();
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127 void RandAddSeedPerfmon();
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128 int OutputDebugStringF(const char* pszFormat, ...);
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129 int my_snprintf(char* buffer, size_t limit, const char* format, ...);
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130 string strprintf(const char* format, ...);
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131 bool error(const char* format, ...);
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132 void PrintException(std::exception* pex, const char* pszThread);
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133 void LogException(std::exception* pex, const char* pszThread);
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134 void ParseString(const string& str, char c, vector<string>& v);
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135 string FormatMoney(int64 n, bool fPlus=false);
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136 bool ParseMoney(const string& str, int64& nRet);
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137 bool ParseMoney(const char* pszIn, int64& nRet);
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138 vector<unsigned char> ParseHex(const char* psz);
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139 vector<unsigned char> ParseHex(const std::string& str);
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140 void ParseParameters(int argc, char* argv[]);
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141 const char* wxGetTranslation(const char* psz);
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142 int GetFilesize(FILE* file);
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143 void GetDataDir(char* pszDirRet);
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145 string MyGetSpecialFolderPath(int nFolder, bool fCreate);
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147 string GetDefaultDataDir();
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148 string GetDataDir();
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149 void ShrinkDebugFile();
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150 uint64 GetRand(uint64 nMax);
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152 int64 GetAdjustedTime();
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153 void AddTimeData(unsigned int ip, int64 nTime);
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167 // Wrapper to automatically initialize critical sections
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168 class CCriticalSection
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172 CRITICAL_SECTION cs;
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174 explicit CCriticalSection() { InitializeCriticalSection(&cs); }
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175 ~CCriticalSection() { DeleteCriticalSection(&cs); }
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176 void Enter() { EnterCriticalSection(&cs); }
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177 void Leave() { LeaveCriticalSection(&cs); }
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178 bool TryEnter() { return TryEnterCriticalSection(&cs); }
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181 boost::interprocess::interprocess_recursive_mutex mutex;
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183 explicit CCriticalSection() { }
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184 ~CCriticalSection() { }
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185 void Enter() { mutex.lock(); }
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186 void Leave() { mutex.unlock(); }
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187 bool TryEnter() { return mutex.try_lock(); }
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190 const char* pszFile;
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194 // Automatically leave critical section when leaving block, needed for exception safety
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195 class CCriticalBlock
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198 CCriticalSection* pcs;
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200 CCriticalBlock(CCriticalSection& csIn) { pcs = &csIn; pcs->Enter(); }
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201 ~CCriticalBlock() { pcs->Leave(); }
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204 // WARNING: This will catch continue and break!
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205 // break is caught with an assertion, but there's no way to detect continue.
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206 // I'd rather be careful than suffer the other more error prone syntax.
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207 // The compiler will optimise away all this loop junk.
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208 #define CRITICAL_BLOCK(cs) \
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209 for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by CRITICAL_BLOCK!", !fcriticalblockonce)), fcriticalblockonce=false) \
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210 for (CCriticalBlock criticalblock(cs); fcriticalblockonce && (cs.pszFile=__FILE__, cs.nLine=__LINE__, true); fcriticalblockonce=false, cs.pszFile=NULL, cs.nLine=0)
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212 class CTryCriticalBlock
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215 CCriticalSection* pcs;
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217 CTryCriticalBlock(CCriticalSection& csIn) { pcs = (csIn.TryEnter() ? &csIn : NULL); }
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218 ~CTryCriticalBlock() { if (pcs) pcs->Leave(); }
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219 bool Entered() { return pcs != NULL; }
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222 #define TRY_CRITICAL_BLOCK(cs) \
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223 for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by TRY_CRITICAL_BLOCK!", !fcriticalblockonce)), fcriticalblockonce=false) \
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224 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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235 inline string i64tostr(int64 n)
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237 return strprintf("%"PRI64d, n);
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240 inline string itostr(int n)
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242 return strprintf("%d", n);
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245 inline int64 atoi64(const char* psz)
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248 return _atoi64(psz);
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250 return strtoll(psz, NULL, 10);
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254 inline int64 atoi64(const string& str)
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257 return _atoi64(str.c_str());
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259 return strtoll(str.c_str(), NULL, 10);
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263 inline int atoi(const string& str)
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265 return atoi(str.c_str());
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268 inline int roundint(double d)
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270 return (int)(d > 0 ? d + 0.5 : d - 0.5);
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273 inline int64 roundint64(double d)
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275 return (int64)(d > 0 ? d + 0.5 : d - 0.5);
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278 template<typename T>
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279 string HexStr(const T itbegin, const T itend, bool fSpaces=true)
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281 const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
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282 const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
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284 for (const unsigned char* p = pbegin; p != pend; p++)
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285 str += strprintf((fSpaces && p != pend-1 ? "%02x " : "%02x"), *p);
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289 inline string HexStr(vector<unsigned char> vch, bool fSpaces=true)
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291 return HexStr(vch.begin(), vch.end(), fSpaces);
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294 template<typename T>
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295 string HexNumStr(const T itbegin, const T itend, bool f0x=true)
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297 const unsigned char* pbegin = (const unsigned char*)&itbegin[0];
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298 const unsigned char* pend = pbegin + (itend - itbegin) * sizeof(itbegin[0]);
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299 string str = (f0x ? "0x" : "");
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300 for (const unsigned char* p = pend-1; p >= pbegin; p--)
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301 str += strprintf("%02X", *p);
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305 template<typename T>
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306 void PrintHex(const T pbegin, const T pend, const char* pszFormat="%s", bool fSpaces=true)
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308 printf(pszFormat, HexStr(pbegin, pend, fSpaces).c_str());
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311 inline void PrintHex(vector<unsigned char> vch, const char* pszFormat="%s", bool fSpaces=true)
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313 printf(pszFormat, HexStr(vch, fSpaces).c_str());
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316 inline int64 PerformanceCounter()
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318 int64 nCounter = 0;
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320 QueryPerformanceCounter((LARGE_INTEGER*)&nCounter);
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323 gettimeofday(&t, NULL);
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324 nCounter = t.tv_sec * 1000000 + t.tv_usec;
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329 inline int64 GetTimeMillis()
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331 return (posix_time::ptime(posix_time::microsec_clock::universal_time()) -
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332 posix_time::ptime(gregorian::date(1970,1,1))).total_milliseconds();
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335 inline string DateTimeStrFormat(const char* pszFormat, int64 nTime)
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338 struct tm* ptmTime = gmtime(&n);
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340 strftime(pszTime, sizeof(pszTime), pszFormat, ptmTime);
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344 template<typename T>
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345 void skipspaces(T& it)
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347 while (isspace(*it))
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362 inline void heapchk()
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366 //if (_heapchk() != _HEAPOK)
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371 // Randomize the stack to help protect against buffer overrun exploits
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372 #define IMPLEMENT_RANDOMIZE_STACK(ThreadFn) \
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374 static char nLoops; \
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376 nLoops = GetRand(20) + 1; \
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377 if (nLoops-- > 1) \
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384 #define CATCH_PRINT_EXCEPTION(pszFn) \
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385 catch (std::exception& e) { \
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386 PrintException(&e, (pszFn)); \
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388 PrintException(NULL, (pszFn)); \
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400 template<typename T1>
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401 inline uint256 Hash(const T1 pbegin, const T1 pend)
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404 SHA256((unsigned char*)&pbegin[0], (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1);
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406 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
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410 template<typename T1, typename T2>
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411 inline uint256 Hash(const T1 p1begin, const T1 p1end,
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412 const T2 p2begin, const T2 p2end)
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417 SHA256_Update(&ctx, (unsigned char*)&p1begin[0], (p1end - p1begin) * sizeof(p1begin[0]));
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418 SHA256_Update(&ctx, (unsigned char*)&p2begin[0], (p2end - p2begin) * sizeof(p2begin[0]));
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419 SHA256_Final((unsigned char*)&hash1, &ctx);
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421 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
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425 template<typename T1, typename T2, typename T3>
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426 inline uint256 Hash(const T1 p1begin, const T1 p1end,
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427 const T2 p2begin, const T2 p2end,
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428 const T3 p3begin, const T3 p3end)
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433 SHA256_Update(&ctx, (unsigned char*)&p1begin[0], (p1end - p1begin) * sizeof(p1begin[0]));
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434 SHA256_Update(&ctx, (unsigned char*)&p2begin[0], (p2end - p2begin) * sizeof(p2begin[0]));
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435 SHA256_Update(&ctx, (unsigned char*)&p3begin[0], (p3end - p3begin) * sizeof(p3begin[0]));
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436 SHA256_Final((unsigned char*)&hash1, &ctx);
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438 SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
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442 template<typename T>
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443 uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=VERSION)
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445 // Most of the time is spent allocating and deallocating CDataStream's
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446 // buffer. If this ever needs to be optimized further, make a CStaticStream
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447 // class with its buffer on the stack.
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448 CDataStream ss(nType, nVersion);
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451 return Hash(ss.begin(), ss.end());
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454 inline uint160 Hash160(const vector<unsigned char>& vch)
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457 SHA256(&vch[0], vch.size(), (unsigned char*)&hash1);
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459 RIPEMD160((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
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473 // Note: It turns out we might have been able to use boost::thread
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474 // by using TerminateThread(boost::thread.native_handle(), 0);
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476 typedef HANDLE pthread_t;
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478 inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false)
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483 NULL, // default security
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484 0, // inherit stack size from parent
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485 (LPTHREAD_START_ROUTINE)pfn, // function pointer
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487 0, // creation option, start immediately
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488 &nUnused); // thread identifier
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489 if (hthread == NULL)
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491 printf("Error: CreateThread() returned %d\n", GetLastError());
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492 return (pthread_t)0;
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496 CloseHandle(hthread);
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497 return (pthread_t)-1;
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502 inline void SetThreadPriority(int nPriority)
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504 SetThreadPriority(GetCurrentThread(), nPriority);
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507 inline pthread_t CreateThread(void(*pfn)(void*), void* parg, bool fWantHandle=false)
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509 pthread_t hthread = 0;
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510 int ret = pthread_create(&hthread, NULL, (void*(*)(void*))pfn, parg);
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513 printf("Error: pthread_create() returned %d\n", ret);
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514 return (pthread_t)0;
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517 return (pthread_t)-1;
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521 #define THREAD_PRIORITY_LOWEST PRIO_MAX
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522 #define THREAD_PRIORITY_BELOW_NORMAL 2
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523 #define THREAD_PRIORITY_NORMAL 0
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524 #define THREAD_PRIORITY_ABOVE_NORMAL 0
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526 inline void SetThreadPriority(int nPriority)
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528 // It's unclear if it's even possible to change thread priorities on Linux,
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529 // but we really and truly need it for the generation threads.
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531 setpriority(PRIO_THREAD, 0, nPriority);
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533 setpriority(PRIO_PROCESS, 0, nPriority);
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537 inline bool TerminateThread(pthread_t hthread, unsigned int nExitCode)
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539 return (pthread_cancel(hthread) == 0);
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542 inline void ExitThread(unsigned int nExitCode)
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544 pthread_exit((void*)nExitCode);
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