src/kudu/fs/block_manager_metrics.h

// Copyright 2015 Cloudera, Inc.
//
// Licensed 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 KUDU_FS_BLOCK_MANAGER_METRICS_H
#define KUDU_FS_BLOCK_MANAGER_METRICS_H

#include <stdint.h>

#include "kudu/gutil/ref_counted.h"

namespace kudu {

class Counter;
template<class T>
class AtomicGauge;
class MetricEntity;

namespace fs {
namespace internal {

struct BlockManagerMetrics {
  explicit BlockManagerMetrics(const scoped_refptr<MetricEntity>& metric_entity);

  scoped_refptr<AtomicGauge<uint64_t> > blocks_open_reading;
  scoped_refptr<AtomicGauge<uint64_t> > blocks_open_writing;

  scoped_refptr<Counter> total_readable_blocks;
  scoped_refptr<Counter> total_writable_blocks;
  scoped_refptr<Counter> total_bytes_read;
  scoped_refptr<Counter> total_bytes_written;
};

} // namespace internal
} // namespace fs
} // namespace kudu

#endif // KUDU_FS_BLOCK_MANAGER_METRICS_H