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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
#include <config/bitcoin-config.h>
#endif
#include <util/time.h>
#include <atomic>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/thread.hpp>
#include <ctime>
#include <tinyformat.h>
static std::atomic<int64_t> nMockTime(0); //!< For unit testing
int64_t GetTime()
{
int64_t mocktime = nMockTime.load(std::memory_order_relaxed);
if (mocktime) return mocktime;
time_t now = time(nullptr);
assert(now > 0);
return now;
}
template <typename T>
T GetTime()
{
const std::chrono::seconds mocktime{nMockTime.load(std::memory_order_relaxed)};
return std::chrono::duration_cast<T>(
mocktime.count() ?
mocktime :
std::chrono::microseconds{GetTimeMicros()});
}
template std::chrono::seconds GetTime();
template std::chrono::milliseconds GetTime();
template std::chrono::microseconds GetTime();
void SetMockTime(int64_t nMockTimeIn)
{
nMockTime.store(nMockTimeIn, std::memory_order_relaxed);
}
int64_t GetMockTime()
{
return nMockTime.load(std::memory_order_relaxed);
}
int64_t GetTimeMillis()
{
int64_t now = (boost::posix_time::microsec_clock::universal_time() -
boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_milliseconds();
assert(now > 0);
return now;
}
int64_t GetTimeMicros()
{
int64_t now = (boost::posix_time::microsec_clock::universal_time() -
boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_microseconds();
assert(now > 0);
return now;
}
int64_t GetSystemTimeInSeconds()
{
return GetTimeMicros()/1000000;
}
void MilliSleep(int64_t n)
{
/**
* Boost's sleep_for was uninterruptible when backed by nanosleep from 1.50
* until fixed in 1.52. Use the deprecated sleep method for the broken case.
* See: https://svn.boost.org/trac/boost/ticket/7238
*/
#if defined(HAVE_WORKING_BOOST_SLEEP_FOR)
boost::this_thread::sleep_for(boost::chrono::milliseconds(n));
#elif defined(HAVE_WORKING_BOOST_SLEEP)
boost::this_thread::sleep(boost::posix_time::milliseconds(n));
#else
//should never get here
#error missing boost sleep implementation
#endif
}
std::string FormatISO8601DateTime(int64_t nTime) {
struct tm ts;
time_t time_val = nTime;
#ifdef _MSC_VER
if (gmtime_s(&ts, &time_val) != 0) {
#else
if (gmtime_r(&time_val, &ts) == nullptr) {
#endif
return {};
}
return strprintf("%04i-%02i-%02iT%02i:%02i:%02iZ", ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday, ts.tm_hour, ts.tm_min, ts.tm_sec);
}
std::string FormatISO8601Date(int64_t nTime) {
struct tm ts;
time_t time_val = nTime;
#ifdef _MSC_VER
if (gmtime_s(&ts, &time_val) != 0) {
#else
if (gmtime_r(&time_val, &ts) == nullptr) {
#endif
return {};
}
return strprintf("%04i-%02i-%02i", ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday);
}
int64_t ParseISO8601DateTime(const std::string& str)
{
static const boost::posix_time::ptime epoch = boost::posix_time::from_time_t(0);
static const std::locale loc(std::locale::classic(),
new boost::posix_time::time_input_facet("%Y-%m-%dT%H:%M:%SZ"));
std::istringstream iss(str);
iss.imbue(loc);
boost::posix_time::ptime ptime(boost::date_time::not_a_date_time);
iss >> ptime;
if (ptime.is_not_a_date_time() || epoch > ptime)
return 0;
return (ptime - epoch).total_seconds();
}
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