X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Futil.cpp;h=58cee1a0c0a25bad4696f6d7e771e8b35aef7bb9;hb=HEAD;hp=b1e1607b83947ff660fb936c8251fdbc8bf010aa;hpb=5098ea454db9132aa0f576921ca9d1a69429d146;p=novacoin.git diff --git a/src/util.cpp b/src/util.cpp index b1e1607..58cee1a 100644 --- a/src/util.cpp +++ b/src/util.cpp @@ -4,27 +4,24 @@ // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include "util.h" +#include "allocators.h" +#include "interface.h" +#include "random.h" #include "sync.h" #include "version.h" -#include "interface.h" -#include -#include // for to_lower() -#include // for startswith() and endswith() #include -#include #include #include #include #include -#include -#include #ifdef WIN32 #include /* for _commit */ #include "shlobj.h" +#include // RAND_screen #elif defined(__linux__) -# include +#include #endif #if !defined(WIN32) && !defined(ANDROID) @@ -50,7 +47,6 @@ string strMiscWarning; bool fTestNet = false; bool fNoListen = false; bool fLogTimestamps = false; -CMedianFilter vTimeOffsets(200,0); bool fReopenDebugLog = false; // Extended DecodeDumpTime implementation, see this page for details: @@ -83,8 +79,6 @@ void locking_callback(int mode, int i, const char* file, int line) } } -LockedPageManager LockedPageManager::instance; - // Init class CInit { @@ -117,79 +111,6 @@ public: instance_of_cinit; - - - - - - -void RandAddSeed() -{ - // Seed with CPU performance counter - int64_t nCounter = GetPerformanceCounter(); - RAND_add(&nCounter, sizeof(nCounter), 1.5); - memset(&nCounter, 0, sizeof(nCounter)); -} - -void RandAddSeedPerfmon() -{ - RandAddSeed(); - - // This can take up to 2 seconds, so only do it every 10 minutes - static int64_t nLastPerfmon; - if (GetTime() < nLastPerfmon + 10 * 60) - return; - nLastPerfmon = GetTime(); - -#ifdef WIN32 - // Don't need this on Linux, OpenSSL automatically uses /dev/urandom - // Seed with the entire set of perfmon data - unsigned char pdata[250000]; - memset(pdata, 0, sizeof(pdata)); - unsigned long nSize = sizeof(pdata); - long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize); - RegCloseKey(HKEY_PERFORMANCE_DATA); - if (ret == ERROR_SUCCESS) - { - RAND_add(pdata, nSize, nSize/100.0); - OPENSSL_cleanse(pdata, nSize); - printf("RandAddSeed() %lu bytes\n", nSize); - } -#endif -} - -uint64_t GetRand(uint64_t nMax) -{ - if (nMax == 0) - return 0; - - // The range of the random source must be a multiple of the modulus - // to give every possible output value an equal possibility - uint64_t nRange = (std::numeric_limits::max() / nMax) * nMax; - uint64_t nRand = 0; - do - RAND_bytes((unsigned char*)&nRand, sizeof(nRand)); - while (nRand >= nRange); - return (nRand % nMax); -} - -int GetRandInt(int nMax) -{ - return static_cast(GetRand(nMax)); -} - -uint256 GetRandHash() -{ - uint256 hash; - RAND_bytes((unsigned char*)&hash, sizeof(hash)); - return hash; -} - - - - - - static FILE* fileout = NULL; inline int OutputDebugStringF(const char* pszFormat, ...) @@ -221,9 +142,9 @@ inline int OutputDebugStringF(const char* pszFormat, ...) // Since the order of destruction of static/global objects is undefined, // allocate mutexDebugLog on the heap the first time this routine // is called to avoid crashes during shutdown. - static boost::mutex* mutexDebugLog = NULL; - if (mutexDebugLog == NULL) mutexDebugLog = new boost::mutex(); - boost::mutex::scoped_lock scoped_lock(*mutexDebugLog); + static std::mutex* mutexDebugLog = nullptr; + if (mutexDebugLog == nullptr) mutexDebugLog = new std::mutex(); + std::scoped_lock scoped_lock(*mutexDebugLog); // reopen the log file, if requested if (fReopenDebugLog) { @@ -514,8 +435,8 @@ void ParseParameters(int argc, const char* const argv[]) str = str.substr(0, is_index); } #ifdef WIN32 - boost::to_lower(str); - if (boost::algorithm::starts_with(str, "/")) + std::transform(str.begin(), str.end(), str.begin(), ::tolower); + if (str.compare(0,1, "/") == 0) str = "-" + str.substr(1); #endif if (str[0] != '-') @@ -1276,18 +1197,6 @@ void ShrinkDebugFile() - - - - -// -// "Never go to sea with two chronometers; take one or three." -// Our three time sources are: -// - System clock -// - Median of other nodes clocks -// - The user (asking the user to fix the system clock if the first two disagree) -// - // System clock int64_t GetTime() { @@ -1296,91 +1205,6 @@ int64_t GetTime() return now; } -// Trusted NTP offset or median of NTP samples. -extern int64_t nNtpOffset; - -// Median of time samples given by other nodes. -static int64_t nNodesOffset = INT64_MAX; - -// Select time offset: -int64_t GetTimeOffset() -{ - // If NTP and system clock are in agreement within 40 minutes, then use NTP. - if (abs64(nNtpOffset) < 40 * 60) - return nNtpOffset; - - // If not, then choose between median peer time and system clock. - if (abs64(nNodesOffset) < 70 * 60) - return nNodesOffset; - - return 0; -} - -int64_t GetNodesOffset() -{ - return nNodesOffset; -} - -int64_t GetAdjustedTime() -{ - return GetTime() + GetTimeOffset(); -} - -void AddTimeData(const CNetAddr& ip, int64_t nTime) -{ - int64_t nOffsetSample = nTime - GetTime(); - - // Ignore duplicates - static set setKnown; - if (!setKnown.insert(ip).second) - return; - - // Add data - vTimeOffsets.input(nOffsetSample); - printf("Added time data, samples %d, offset %+" PRId64 " (%+" PRId64 " minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60); - if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1) - { - int64_t nMedian = vTimeOffsets.median(); - std::vector vSorted = vTimeOffsets.sorted(); - // Only let other nodes change our time by so much - if (abs64(nMedian) < 70 * 60) - { - nNodesOffset = nMedian; - } - else - { - nNodesOffset = INT64_MAX; - - static bool fDone; - if (!fDone) - { - bool fMatch = false; - - // If nobody has a time different than ours but within 5 minutes of ours, give a warning - for (int64_t nOffset : vSorted) - if (nOffset != 0 && abs64(nOffset) < 5 * 60) - fMatch = true; - - if (!fMatch) - { - fDone = true; - string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly."); - strMiscWarning = strMessage; - printf("*** %s\n", strMessage.c_str()); - uiInterface.ThreadSafeMessageBox(strMessage+" ", string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION); - } - } - } - if (fDebug) { - for (int64_t n : vSorted) - printf("%+" PRId64 " ", n); - printf("| "); - } - if (nNodesOffset != INT64_MAX) - printf("nNodesOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNodesOffset, nNodesOffset/60); - } -} - string FormatVersion(int nVersion) { if (nVersion%100 == 0) @@ -1401,7 +1225,16 @@ std::string FormatSubVersion(const std::string& name, int nClientVersion, const ss << "/"; ss << name << ":" << FormatVersion(nClientVersion); if (!comments.empty()) - ss << "(" << boost::algorithm::join(comments, "; ") << ")"; + { + ss << "("; + for (const auto& st : comments) + { + ss << st; + if (st == comments.back()) break; + ss << "; "; + } + ss << ")"; + } ss << "/"; return ss.str(); }