src/utiltime.cpp

   1 // Copyright (c) 2009-2010 Satoshi Nakamoto
   2 // Copyright (c) 2009-2016 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 static int64_t nMockTime = 0; //!< For unit testing
  16
  17 int64_t GetTime()
  18 {
  19     if (nMockTime) return nMockTime;
  20
  21     time_t now = time(NULL);
  22     assert(now > 0);
  23     return now;
  24 }
  25
  26 void SetMockTime(int64_t nMockTimeIn)
  27 {
  28     nMockTime = nMockTimeIn;
  29 }
  30
  31 int64_t GetTimeMillis()
  32 {
  33     int64_t now = (boost::posix_time::microsec_clock::universal_time() -
  34                    boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_milliseconds();
  35     assert(now > 0);
  36     return now;
  37 }
  38
  39 int64_t GetTimeMicros()
  40 {
  41     int64_t now = (boost::posix_time::microsec_clock::universal_time() -
  42                    boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_microseconds();
  43     assert(now > 0);
  44     return now;
  45 }
  46
  47 int64_t GetSystemTimeInSeconds()
  48 {
  49     return GetTimeMicros()/1000000;
  50 }
  51
  52 /** Return a time useful for the debug log */
  53 int64_t GetLogTimeMicros()
  54 {
  55     if (nMockTime) return nMockTime*1000000;
  56
  57     return GetTimeMicros();
  58 }
  59
  60 void MilliSleep(int64_t n)
  61 {
  62
  63 /**
  64  * Boost's sleep_for was uninterruptible when backed by nanosleep from 1.50
  65  * until fixed in 1.52. Use the deprecated sleep method for the broken case.
  66  * See: https://svn.boost.org/trac/boost/ticket/7238
  67  */
  68 #if defined(HAVE_WORKING_BOOST_SLEEP_FOR)
  69     boost::this_thread::sleep_for(boost::chrono::milliseconds(n));
  70 #elif defined(HAVE_WORKING_BOOST_SLEEP)
  71     boost::this_thread::sleep(boost::posix_time::milliseconds(n));
  72 #else
  73 //should never get here
  74 #error missing boost sleep implementation
  75 #endif
  76 }
  77
  78 std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
  79 {
  80     static std::locale classic(std::locale::classic());
  81     // std::locale takes ownership of the pointer
  82     std::locale loc(classic, new boost::posix_time::time_facet(pszFormat));
  83     std::stringstream ss;
  84     ss.imbue(loc);
  85     ss << boost::posix_time::from_time_t(nTime);
  86     return ss.str();
  87 }