Add new timestamp.h

include/timestamp.h

+/*
+ * timestamp.h
+ *
+ *  Created on: 10 Feb 2017
+ *      Author: ottmi
+ */
+
+#ifndef INCLUDE_TIMESTAMP_H_
+#define INCLUDE_TIMESTAMP_H_
+#include <boost/date_time/posix_time/posix_time.hpp>
+#include <string>
+#include <sstream>
+
+#define S_TO_NS(x)  x*1000000000ll
+#define MS_TO_NS(x) x*1000000ll
+#define US_TO_NS(x) x*1000ll
+
+static uint64_t getTimestamp() {
+  boost::posix_time::ptime epoch(boost::gregorian::date(1970,1,1));
+  boost::posix_time::ptime now = boost::posix_time::microsec_clock::universal_time();
+  boost::posix_time::time_duration diff = now - epoch;
+
+  return diff.total_nanoseconds();
+}
+
+static uint64_t ptime2Timestamp(const boost::posix_time::ptime t) {
+  boost::posix_time::ptime epoch(boost::gregorian::date(1970,1,1));
+  boost::posix_time::time_duration diff = t - epoch;
+
+  return diff.total_nanoseconds();
+}
+
+static boost::posix_time::ptime timestamp2ptime(const uint64_t ts) {
+  return boost::posix_time::ptime(boost::gregorian::date(1970,1,1), boost::posix_time::nanoseconds(ts));
+}
+
+static std::string prettyPrintTimestamp(const uint64_t ts) {
+  std::stringstream ss;
+  ss << ts / 1000000000 << "." << std::setw(9) << std::setfill('0') << ts % 1000000000;
+  return ss.str();
+}
+
+
+
+#endif /* INCLUDE_TIMESTAMP_H_ */