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 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     time_t now = time(NULL);
  24     assert(now > 0);
  25     return now;
  26 }
  27
  28 void SetMockTime(int64_t nMockTimeIn)
  29 {
  30     nMockTime = nMockTimeIn;
  31 }
  32
  33 int64_t GetTimeMillis()
  34 {
  35     int64_t now = (boost::posix_time::microsec_clock::universal_time() -
  36                    boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_milliseconds();
  37     assert(now > 0);
  38     return now;
  39 }
  40
  41 int64_t GetTimeMicros()
  42 {
  43     int64_t now = (boost::posix_time::microsec_clock::universal_time() -
  44                    boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_microseconds();
  45     assert(now > 0);
  46     return now;
  47 }
  48
  49 int64_t GetSystemTimeInSeconds()
  50 {
  51     return GetTimeMicros()/1000000;
  52 }
  53
  54 /** Return a time useful for the debug log */
  55 int64_t GetLogTimeMicros()
  56 {
  57     if (nMockTime) return nMockTime*1000000;
  58
  59     return GetTimeMicros();
  60 }
  61
  62 void MilliSleep(int64_t n)
  63 {
  64
  65 /**
  66  * Boost's sleep_for was uninterruptible when backed by nanosleep from 1.50
  67  * until fixed in 1.52. Use the deprecated sleep method for the broken case.
  68  * See: https://svn.boost.org/trac/boost/ticket/7238
  69  */
  70 #if defined(HAVE_WORKING_BOOST_SLEEP_FOR)
  71     boost::this_thread::sleep_for(boost::chrono::milliseconds(n));
  72 #elif defined(HAVE_WORKING_BOOST_SLEEP)
  73     boost::this_thread::sleep(boost::posix_time::milliseconds(n));
  74 #else
  75 //should never get here
  76 #error missing boost sleep implementation
  77 #endif
  78 }
  79
  80 std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
  81 {
  82     static std::locale classic(std::locale::classic());
  83     // std::locale takes ownership of the pointer
  84     std::locale loc(classic, new boost::posix_time::time_facet(pszFormat));
  85     std::stringstream ss;
  86     ss.imbue(loc);
  87     ss << boost::posix_time::from_time_t(nTime);
  88     return ss.str();
  89 }