1 files changed, 65 insertions, 0 deletions
diff --git a/VNFs/DPPD-PROX/tools/flow_extract/timestamp.cpp b/VNFs/DPPD-PROX/tools/flow_extract/timestamp.cpp
new file mode 100644
index 00000000..9e91173d
--- /dev/null
+++ b/VNFs/DPPD-PROX/tools/flow_extract/timestamp.cpp
@@ -0,0 +1,65 @@
+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
+#include <cstdio>
+#include <iostream>
+#include <iomanip>
+
+#include "timestamp.hpp"
+
+Timestamp Timestamp::operator-(const Timestamp& other) const
+{
+	uint64_t sec;
+	uint64_t nsec;
+
+	if (other.m_nsec <= m_nsec) {
+		nsec = m_nsec - other.m_nsec;
+		sec = m_sec - other.m_sec;
+	} else {
+		nsec = (1000000000 + m_nsec) - other.m_nsec;
+		sec = m_sec - 1 - other.m_sec;
+	}
+
+	return Timestamp(sec, nsec);
+}
+
+bool Timestamp::operator>(const Timestamp& other)
+{
+	return m_sec > other.m_sec ||
+		(m_sec == other.m_sec && m_nsec > other.m_nsec);
+}
+
+bool Timestamp::operator<(const Timestamp& other)
+{
+	return m_sec < other.m_sec ||
+		(m_sec == other.m_sec && m_nsec < other.m_nsec);
+}
+
+ostream& operator<<(ostream& stream, const Timestamp& ts)
+{
+	stream << ts.m_sec << "." << setw(9) << setfill('0') << ts.m_nsec;
+	return stream;
+}
+
+double operator/(double d, const Timestamp &denominator)
+{
+	return d * 1000000000 / (denominator.m_sec * 1000000000 + denominator.m_nsec);
+}
+
+bool Timestamp::operator==(const Timestamp &other) const
+{
+	return m_sec == other.m_sec && m_nsec == other.m_nsec;
+}