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/********************************************************************
* 2014 -
* open source under Apache License Version 2.0
********************************************************************/
/**
* 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.
*/
#ifndef _HDFS_LIBHDFS3_COMMON_DATETIME_H_
#define _HDFS_LIBHDFS3_COMMON_DATETIME_H_
#include "platform.h"
#include <ctime>
#include <cassert>
#if defined(NEED_BOOST) && defined(HAVE_BOOST_CHRONO)
#include <boost/chrono.hpp>
namespace Hdfs {
namespace Internal {
using namespace boost::chrono;
}
}
#elif defined(HAVE_STD_CHRONO)
#include <chrono>
namespace Hdfs {
namespace Internal {
using namespace std::chrono;
#ifndef HAVE_STEADY_CLOCK
typedef std::chrono::monotonic_clock steady_clock;
#endif
}
}
#else
#error "no chrono library is available"
#endif
namespace Hdfs {
namespace Internal {
template<typename TimeStamp>
static int64_t ToMilliSeconds(TimeStamp const & s, TimeStamp const & e) {
assert(e >= s);
return duration_cast<milliseconds>(e - s).count();
}
}
}
#endif /* _HDFS_LIBHDFS3_COMMON_DATETIME_H_ */