1 files changed, 102 insertions, 0 deletions
diff --git a/src/components/utils/src/date_time.cc b/src/components/utils/src/date_time.cc
new file mode 100644
index 0000000000..f190951647
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+++ b/src/components/utils/src/date_time.cc
@@ -0,0 +1,102 @@
+/*
+* Copyright (c) 2014, Ford Motor Company
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* Redistributions of source code must retain the above copyright notice, this
+* list of conditions and the following disclaimer.
+*
+* Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following
+* disclaimer in the documentation and/or other materials provided with the
+* distribution.
+*
+* Neither the name of the Ford Motor Company nor the names of its contributors
+* may be used to endorse or promote products derived from this software
+* without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <sys/time.h>
+#include <stdint.h>
+#include "utils/date_time.h"
+
+namespace date_time {
+
+TimevalStruct DateTime::getCurrentTime() {
+  TimevalStruct currentTime;
+  timezone timeZone;
+
+  gettimeofday(&currentTime, &timeZone);
+
+  return currentTime;
+}
+
+int64_t date_time::DateTime::getSecs(const TimevalStruct &time) {
+   return static_cast<int64_t>(time.tv_sec);
+}
+
+int64_t DateTime::getmSecs(const TimevalStruct &time) {
+  return static_cast<int64_t>(time.tv_sec) * MILLISECONDS_IN_SECOND
+      + time.tv_usec / MICROSECONDS_IN_MILLISECONDS;
+}
+
+int64_t DateTime::getuSecs(const TimevalStruct &time) {
+  return static_cast<int64_t>(time.tv_sec) * MILLISECONDS_IN_SECOND
+      * MICROSECONDS_IN_MILLISECONDS + time.tv_usec;
+}
+
+int64_t DateTime::calculateTimeSpan(const TimevalStruct& sinceTime) {
+  return calculateTimeDiff(getCurrentTime(), sinceTime);
+}
+
+int64_t DateTime::calculateTimeDiff(const TimevalStruct &time1,
+                                    const TimevalStruct &time2){
+  TimevalStruct ret;
+  if (Greater(time1, time2)) {
+    ret = Sub(time1, time2);
+  } else {
+    ret = Sub(time2, time1);
+  }
+  return getmSecs(ret);
+}
+
+TimevalStruct DateTime::Sub(const TimevalStruct& time1,
+                            const TimevalStruct& time2) {
+  TimevalStruct ret;
+  timersub(&time1, &time2, &ret);
+  return ret;
+}
+
+bool DateTime::Greater(const TimevalStruct& time1, const TimevalStruct& time2) {
+  return timercmp(&time1, &time2, >);
+}
+
+bool DateTime::Less(const TimevalStruct& time1, const TimevalStruct& time2) {
+  return timercmp(&time1, &time2, <);
+}
+
+bool DateTime::Equal(const TimevalStruct& time1, const TimevalStruct& time2) {
+  return !timercmp(&time1, &time2, !=);
+}
+
+TimeCompare date_time::DateTime::compareTime(const TimevalStruct &time1, const TimevalStruct &time2) {
+  if (Greater(time1, time2)) return GREATER;
+  if (Less(time1, time2)) return LESS;
+  return EQUAL;
+}
+
+}  // namespace date_time