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rocksdb/db/db_statistics.h

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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include <cassert>
#include <stdlib.h>
#include <vector>
#include "leveldb/statistics.h"
#include "port/port.h"
#include "util/mutexlock.h"
namespace leveldb {
class DBStatistics: public Statistics {
public:
DBStatistics() : allTickers_(TICKER_ENUM_MAX) { }
void incNumFileOpens() {
MutexLock l(&mu_);
numFileOpens_++;
}
void incNumFileCloses() {
MutexLock l(&mu_);
numFileCloses_++;
}
void incNumFileErrors() {
MutexLock l(&mu_);
numFileErrors_++;
}
long getTickerCount(Tickers tickerType) {
assert(tickerType < TICKER_ENUM_MAX);
return allTickers_[tickerType].getCount();
}
void recordTick(Tickers tickerType, uint64_t count) {
assert(tickerType < TICKER_ENUM_MAX);
allTickers_[tickerType].recordTick(count);
}
private:
port::Mutex mu_;
std::vector<Ticker> allTickers_;
};
}