1 files changed, 98 insertions, 0 deletions
diff --git a/CommonLibs/Timeval.cpp b/CommonLibs/Timeval.cpp
new file mode 100644
index 0000000..50ce05d
--- /dev/null
+++ b/CommonLibs/Timeval.cpp
@@ -0,0 +1,98 @@
+/*
+* Copyright 2008 Free Software Foundation, Inc.
+*
+*
+* This software is distributed under the terms of the GNU Affero Public License.
+* See the COPYING file in the main directory for details.
+*
+* This use of this software may be subject to additional restrictions.
+* See the LEGAL file in the main directory for details.
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+
+#include "Timeval.h"
+
+using namespace std;
+
+void Timeval::future(unsigned offset)
+{
+	now();
+	unsigned sec = offset/1000;
+	unsigned msec = offset%1000;
+	mTimeval.tv_usec += msec*1000;
+	mTimeval.tv_sec += sec;
+	if (mTimeval.tv_usec>1000000) {
+		mTimeval.tv_usec -= 1000000;
+		mTimeval.tv_sec += 1;
+	}
+}
+
+
+struct timespec Timeval::timespec() const
+{
+	struct timespec retVal;
+	retVal.tv_sec = mTimeval.tv_sec;
+	retVal.tv_nsec = 1000 * (long)mTimeval.tv_usec;
+	return retVal;
+}
+
+
+bool Timeval::passed() const
+{
+	Timeval nowTime;
+	if (nowTime.mTimeval.tv_sec < mTimeval.tv_sec) return false;
+	if (nowTime.mTimeval.tv_sec > mTimeval.tv_sec) return true;
+	if (nowTime.mTimeval.tv_usec > mTimeval.tv_usec) return true;
+	return false;
+}
+
+double Timeval::seconds() const
+{
+	return ((double)mTimeval.tv_sec) + 1e-6*((double)mTimeval.tv_usec);
+}
+
+
+
+long Timeval::delta(const Timeval& other) const
+{
+	// 2^31 milliseconds is just over 4 years.
+	int32_t deltaS = other.sec() - sec();
+	int32_t deltaUs = other.usec() - usec();
+	return 1000*deltaS + deltaUs/1000;
+}
+	
+
+
+
+ostream& operator<<(ostream& os, const Timeval& tv)
+{
+	os.setf( ios::fixed, ios::floatfield );
+	os << tv.seconds();
+	return os;
+}
+
+
+ostream& operator<<(ostream& os, const struct timespec& ts)
+{
+	os << ts.tv_sec << "," << ts.tv_nsec;
+	return os;
+}
+
+
+
+// vim: ts=4 sw=4