1 files changed, 110 insertions, 0 deletions
diff --git a/src/util/time.cpp b/src/util/time.cpp
new file mode 100644
index 0000000000..83a7937d8f
--- /dev/null
+++ b/src/util/time.cpp
@@ -0,0 +1,110 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2018 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;
+}
+
+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
+    gmtime_s(&ts, &time_val);
+#else
+    gmtime_r(&time_val, &ts);
+#endif
+    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
+    gmtime_s(&ts, &time_val);
+#else
+    gmtime_r(&time_val, &ts);
+#endif
+    return strprintf("%04i-%02i-%02i", ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday);
+}
+
+std::string FormatISO8601Time(int64_t nTime) {
+    struct tm ts;
+    time_t time_val = nTime;
+#ifdef _MSC_VER
+    gmtime_s(&ts, &time_val);
+#else
+    gmtime_r(&time_val, &ts);
+#endif
+    return strprintf("%02i:%02i:%02iZ", ts.tm_hour, ts.tm_min, ts.tm_sec);
+}