1 files changed, 87 insertions, 0 deletions
diff --git a/src/utiltime.cpp b/src/utiltime.cpp
new file mode 100644
index 0000000000..4cc77dbfeb
--- /dev/null
+++ b/src/utiltime.cpp
@@ -0,0 +1,87 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2016 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 "utiltime.h"
+
+#include <atomic>
+
+#include <boost/date_time/posix_time/posix_time.hpp>
+#include <boost/thread.hpp>
+
+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 DateTimeStrFormat(const char* pszFormat, int64_t nTime)
+{
+    static std::locale classic(std::locale::classic());
+    // std::locale takes ownership of the pointer
+    std::locale loc(classic, new boost::posix_time::time_facet(pszFormat));
+    std::stringstream ss;
+    ss.imbue(loc);
+    ss << boost::posix_time::from_time_t(nTime);
+    return ss.str();
+}