src/common/time_util.h

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 *
 */

#pragma once

#include <chrono>

namespace util {

/// Get the system timestamp in seconds, milliseconds or microseconds.
template <typename Duration = std::chrono::seconds>
auto GetTimeStamp() {
  return std::chrono::duration_cast<Duration>(std::chrono::system_clock::now().time_since_epoch()).count();
}
inline uint64_t GetTimeStampMS() { return GetTimeStamp<std::chrono::milliseconds>(); }
inline uint64_t GetTimeStampUS() { return GetTimeStamp<std::chrono::microseconds>(); }

}  // namespace util