1 files changed, 50 insertions, 0 deletions
diff --git a/src/lib/util/boost_time_utils.cc b/src/lib/util/boost_time_utils.cc
new file mode 100644
index 0000000..3719f72
--- /dev/null
+++ b/src/lib/util/boost_time_utils.cc
@@ -0,0 +1,50 @@
+// Copyright (C) 2015-2019 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+
+#include <util/boost_time_utils.h>
+#include <sstream>
+#include <iomanip>
+
+std::string
+isc::util::ptimeToText(boost::posix_time::ptime t, size_t fsecs_precision) {
+    boost::gregorian::date d = t.date();
+    std::stringstream s;
+    s << d.year()
+      << "-" << std::setw(2) << std::setfill('0') << d.month().as_number()
+      << "-" << std::setw(2) << std::setfill('0') << d.day()
+      << " " << durationToText(t.time_of_day(), fsecs_precision);
+    return (s.str());
+}
+
+std::string
+isc::util::durationToText(boost::posix_time::time_duration dur, size_t fsecs_precision) {
+    std::stringstream s;
+    s << std::setw(2) << std::setfill('0') << dur.hours()
+      << ":" << std::setw(2) << std::setfill('0') << dur.minutes()
+      << ":" << std::setw(2) << std::setfill('0') << dur.seconds();
+
+    // If the requested precision is less than the maximum native precision
+    // we will divide the fractional seconds value by 10^(max - requested)
+    if (fsecs_precision) {
+        size_t fsecs = dur.fractional_seconds();
+        size_t width = MAX_FSECS_PRECISION;
+        if (fsecs_precision < width) {
+            for (auto i = 0; i < width - fsecs_precision; ++i) {
+                fsecs /= 10;
+            }
+
+            width = fsecs_precision;
+        }
+
+        s << "." << std::setw(width)
+          << std::setfill('0')
+          << fsecs;
+    }
+
+    return (s.str());
+}