src/utiltime.cpp

   1 // Copyright (c) 2009-2010 Satoshi Nakamoto
   2 // Copyright (c) 2009-2014 The Bitcoin Core developers
   3 // Distributed under the MIT software license, see the accompanying
   4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   5
   6 #if defined(HAVE_CONFIG_H)
   7 #include "config/bitcoin-config.h"
   8 #endif
   9
  10 #include "utiltime.h"
  11
  12 #include <chrono>
  13 #include <boost/date_time/posix_time/posix_time.hpp>
  14 #include <boost/thread.hpp>
  15
  16 using namespace std;
  17
  18 static int64_t nMockTime = 0;  //! For unit testing
  19
  20 int64_t GetTime()
  21 {
  22     if (nMockTime) return nMockTime;
  23
  24     return time(NULL);
  25 }
  26
  27 void SetMockTime(int64_t nMockTimeIn)
  28 {
  29     nMockTime = nMockTimeIn;
  30 }
  31
  32 int64_t GetTimeMillis()
  33 {
  34     return std::chrono::duration_cast<std::chrono::milliseconds>(
  35             std::chrono::system_clock::now().time_since_epoch()).count();
  36 }
  37
  38 int64_t GetTimeMicros()
  39 {
  40     return std::chrono::duration_cast<std::chrono::microseconds>(
  41             std::chrono::system_clock::now().time_since_epoch()).count();
  42 }
  43
  44 void MilliSleep(int64_t n)
  45 {
  46
  47 /**
  48  * Boost's sleep_for was uninterruptable when backed by nanosleep from 1.50
  49  * until fixed in 1.52. Use the deprecated sleep method for the broken case.
  50  * See: https://svn.boost.org/trac/boost/ticket/7238
  51  */
  52 #if defined(HAVE_WORKING_BOOST_SLEEP_FOR)
  53     boost::this_thread::sleep_for(boost::chrono::milliseconds(n));
  54 #elif defined(HAVE_WORKING_BOOST_SLEEP)
  55     boost::this_thread::sleep(boost::posix_time::milliseconds(n));
  56 #else
  57 //should never get here
  58 #error missing boost sleep implementation
  59 #endif
  60 }
  61
  62 std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
  63 {
  64     // std::locale takes ownership of the pointer
  65     std::locale loc(std::locale::classic(), new boost::posix_time::time_facet(pszFormat));
  66     std::stringstream ss;
  67     ss.imbue(loc);
  68     ss << boost::posix_time::from_time_t(nTime);
  69     return ss.str();
  70 }