// 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 <boost/algorithm/string/join.hpp>
-#include <boost/algorithm/string/case_conv.hpp> // for to_lower()
-#include <boost/algorithm/string/predicate.hpp> // for startswith() and endswith()
#include <boost/program_options/detail/config_file.hpp>
-#include <boost/program_options/parsers.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/thread.hpp>
-#include <openssl/crypto.h>
-#include <openssl/rand.h>
#ifdef WIN32
#include <io.h> /* for _commit */
#include "shlobj.h"
+#include <openssl/rand.h> // RAND_screen
#elif defined(__linux__)
#include <sys/prctl.h>
#endif
bool fTestNet = false;
bool fNoListen = false;
bool fLogTimestamps = false;
-CMedianFilter<int64_t> vTimeOffsets(200,0);
bool fReopenDebugLog = false;
// Extended DecodeDumpTime implementation, see this page for details:
}
}
-LockedPageManager LockedPageManager::instance;
-
// Init
class CInit
{
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<uint64_t>::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<int>(GetRand(nMax));
-}
-
static FILE* fileout = NULL;
inline int OutputDebugStringF(const char* pszFormat, ...)
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] != '-')
-
-
-
-
-//
-// "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()
{
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<CNetAddr> 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<int64_t> 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)
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();
}
git://git.novaco.in / novacoin.git / blobdiff