diff --git a/src/util/time.cpp b/src/util/time.cpp index 1e43b6937..5908c742f 100644 --- a/src/util/time.cpp +++ b/src/util/time.cpp @@ -1,174 +1,171 @@ // 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 #endif #include #include #include #include #include #include #include void UninterruptibleSleep(const std::chrono::microseconds &n) { std::this_thread::sleep_for(n); } //! For unit testing static std::atomic nMockTime(0); -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; -} - bool ChronoSanityCheck() { // std::chrono::system_clock.time_since_epoch and time_t(0) are not // guaranteed to use the Unix epoch timestamp, prior to C++20, but in // practice they almost certainly will. Any differing behavior will be // assumed to be an error, unless certain platforms prove to consistently // deviate, at which point we'll cope with it by adding offsets. // Create a new clock from time_t(0) and make sure that it represents 0 // seconds from the system_clock's time_since_epoch. Then convert that back // to a time_t and verify that it's the same as before. const time_t time_t_epoch{}; auto clock = std::chrono::system_clock::from_time_t(time_t_epoch); if (std::chrono::duration_cast( clock.time_since_epoch()) .count() != 0) { return false; } time_t time_val = std::chrono::system_clock::to_time_t(clock); if (time_val != time_t_epoch) { return false; } // Check that the above zero time is actually equal to the known unix // timestamp. struct tm epoch; #ifdef _WIN32 if (gmtime_s(&epoch, &time_val) != 0) { #else if (gmtime_r(&time_val, &epoch) == nullptr) { #endif return false; } if ((epoch.tm_sec != 0) || (epoch.tm_min != 0) || (epoch.tm_hour != 0) || (epoch.tm_mday != 1) || (epoch.tm_mon != 0) || (epoch.tm_year != 70)) { return false; } return true; } template T GetTime() { const std::chrono::seconds mocktime{ nMockTime.load(std::memory_order_relaxed)}; - return std::chrono::duration_cast( - mocktime.count() ? mocktime - : std::chrono::microseconds{GetTimeMicros()}); + const auto ret{ + mocktime.count() + ? mocktime + : std::chrono::duration_cast( + std::chrono::system_clock::now().time_since_epoch())}; + assert(ret > 0s); + return ret; } template std::chrono::seconds GetTime(); template std::chrono::milliseconds GetTime(); template std::chrono::microseconds GetTime(); template static T GetSystemTime() { const auto now = std::chrono::duration_cast( std::chrono::system_clock::now().time_since_epoch()); assert(now.count() > 0); return now; } void SetMockTime(int64_t nMockTimeIn) { assert(nMockTimeIn >= 0); nMockTime.store(nMockTimeIn, std::memory_order_relaxed); } int64_t GetMockTime() { return nMockTime.load(std::memory_order_relaxed); } int64_t GetTimeMillis() { return int64_t{GetSystemTime().count()}; } int64_t GetTimeMicros() { return int64_t{GetSystemTime().count()}; } int64_t GetTimeSeconds() { return int64_t{GetSystemTime().count()}; } +int64_t GetTime() { + return GetTime().count(); +} + std::string FormatISO8601DateTime(int64_t nTime) { struct tm ts; time_t time_val = nTime; #ifdef _WIN32 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 _WIN32 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(); } struct timeval MillisToTimeval(int64_t nTimeout) { struct timeval timeout; timeout.tv_sec = nTimeout / 1000; timeout.tv_usec = (nTimeout % 1000) * 1000; return timeout; } struct timeval MillisToTimeval(std::chrono::milliseconds ms) { return MillisToTimeval(count_milliseconds(ms)); }