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 <boost/date_time/posix_time/posix_time.hpp>
  13 #include <boost/thread.hpp>
  14
  15 using namespace std;
  16
  17 static int64_t nMockTime = 0;  //! For unit testing
  18
  19 int64_t GetTime()
  20 {
  21     if (nMockTime) return nMockTime;
  22
  23     return time(NULL);
  24 }
  25
  26 void SetMockTime(int64_t nMockTimeIn)
  27 {
  28     nMockTime = nMockTimeIn;
  29 }
  30
  31 int64_t GetTimeMillis()
  32 {
  33     return (boost::posix_time::microsec_clock::universal_time() -
  34             boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_milliseconds();
  35 }
  36
  37 int64_t GetTimeMicros()
  38 {
  39     return (boost::posix_time::microsec_clock::universal_time() -
  40             boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_microseconds();
  41 }
  42
  43 /** Return a time useful for the debug log */
  44 int64_t GetLogTimeMicros()
  45 {
  46     if (nMockTime) return nMockTime*1000000;
  47
  48     return GetTimeMicros();
  49 }
  50
  51 void MilliSleep(int64_t n)
  52 {
  53
  54 /**
  55  * Boost's sleep_for was uninterruptable when backed by nanosleep from 1.50
  56  * until fixed in 1.52. Use the deprecated sleep method for the broken case.
  57  * See: https://svn.boost.org/trac/boost/ticket/7238
  58  */
  59 #if defined(HAVE_WORKING_BOOST_SLEEP_FOR)
  60     boost::this_thread::sleep_for(boost::chrono::milliseconds(n));
  61 #elif defined(HAVE_WORKING_BOOST_SLEEP)
  62     boost::this_thread::sleep(boost::posix_time::milliseconds(n));
  63 #else
  64 //should never get here
  65 #error missing boost sleep implementation
  66 #endif
  67 }
  68
  69 std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
  70 {
  71     // std::locale takes ownership of the pointer
  72     std::locale loc(std::locale::classic(), new boost::posix_time::time_facet(pszFormat));
  73     std::stringstream ss;
  74     ss.imbue(loc);
  75     ss << boost::posix_time::from_time_t(nTime);
  76     return ss.str();
  77 }