stats.h

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/*
 * 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>
#include <future>
 
#include "platform/statistic/prometheus_handler.h"
 
namespace resdb {
 
class Stats {
 public:
  static Stats* GetGlobalStats(int sleep_seconds = 5);
 
  void Stop();
 
  void AddLatency(uint64_t run_time);
 
  void Monitor();
  void MonitorGlobal();
 
  void IncSocketRecv();
 
  void IncClientCall();
 
  void IncClientRequest();
  void IncPropose();
  void IncPrepare();
  void IncCommit();
  void IncPendingExecute();
  void IncExecute();
  void IncExecuteDone();
 
  void BroadCastMsg();
  void SendBroadCastMsg(uint32_t num);
  void SendBroadCastMsgPerRep();
  void SeqFail();
  void IncTotalRequest(uint32_t num);
  void IncTotalGeoRequest(uint32_t num);
  void IncGeoRequest();
 
  void SeqGap(uint64_t seq_gap);
  // Network in->worker
  void ServerCall();
  void ServerProcess();
  void SetPrometheus(const std::string& prometheus_address);
 
 protected:
  Stats(int sleep_time = 5);
  ~Stats();
 
 private:
  std::string monitor_port_ = "default";
  std::string name_;
  std::atomic<int> num_call_, run_call_;
  std::atomic<uint64_t> last_time_, run_time_, run_call_time_;
  std::thread thread_;
  std::atomic<bool> begin_;
  std::atomic<bool> stop_;
  std::condition_variable cv_;
  std::mutex mutex_;
 
  std::thread global_thread_;
  std::atomic<uint64_t> num_client_req_, num_propose_, num_prepare_,
      num_commit_, pending_execute_, execute_, execute_done_;
  std::atomic<uint64_t> client_call_, socket_recv_;
  std::atomic<uint64_t> broad_cast_msg_, send_broad_cast_msg_,
      send_broad_cast_msg_per_rep_;
  std::atomic<uint64_t> seq_fail_;
  std::atomic<uint64_t> server_call_, server_process_;
  std::atomic<uint64_t> run_req_num_;
  std::atomic<uint64_t> run_req_run_time_;
  std::atomic<uint64_t> seq_gap_;
  std::atomic<uint64_t> total_request_, total_geo_request_, geo_request_;
  int monitor_sleep_time_ = 5;  // default 5s.
 
  std::unique_ptr<PrometheusHandler> prometheus_;
};
 
}  // namespace resdb