--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/net/examples/elapsed-timer.cpp	Wed Jun 01 17:11:45 2016 +0200
@@ -0,0 +1,60 @@
+/*
+ * elapsed-timer.cpp -- measure elapsed time
+ *
+ * Copyright (c) 2013-2015 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "elapsed-timer.h"
+
+using std::chrono::duration_cast;
+using std::chrono::high_resolution_clock;
+using std::chrono::milliseconds;
+
+ElapsedTimer::ElapsedTimer() noexcept
+{
+	m_last = high_resolution_clock::now();
+}
+
+void ElapsedTimer::pause() noexcept
+{
+	/*
+	 * When we put the timer on pause, do not forget to set the already
+	 * elapsed time.
+	 */
+	(void)elapsed();
+	m_paused = true;
+}
+
+void ElapsedTimer::restart() noexcept
+{
+	m_paused = false;
+	m_last = high_resolution_clock::now();
+}
+
+void ElapsedTimer::reset() noexcept
+{
+	m_elapsed = 0;
+	m_last = high_resolution_clock::now();
+}
+
+unsigned ElapsedTimer::elapsed() noexcept
+{
+	if (!m_paused) {
+		m_elapsed += duration_cast<milliseconds>(high_resolution_clock::now() - m_last).count();
+		m_last = high_resolution_clock::now();
+	}
+
+	return m_elapsed;
+}
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