content: /*
   * Copyright (C) 2017 The Android Open Source Project
   *
   * 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.
   */
  package com.android.internal.os;
  
  import android.util.ArrayMap;
  
  import java.util.Map;
  
  /**
   * Container for Resource Power Manager states and their data.
   * Values can be populated by the BatteryStatsService.fillLowPowerStats jni function.
   */
  public final class RpmStats {
      public Map<String, PowerStatePlatformSleepState> mPlatformLowPowerStats = new ArrayMap<>();
      public Map<String, PowerStateSubsystem> mSubsystemLowPowerStats = new ArrayMap<>();
  
      /**
       * Finds the PowerStatePlatformSleepState with the given name (creating it if it doesn't exist),
       * updates its timeMs and count, and returns it.
       */
      @SuppressWarnings("unused")
      public PowerStatePlatformSleepState getAndUpdatePlatformState(
              String name, long timeMs, int count) {
  
          PowerStatePlatformSleepState e = mPlatformLowPowerStats.get(name);
          if (e == null) {
              e = new PowerStatePlatformSleepState();
              mPlatformLowPowerStats.put(name, e);
          }
          e.mTimeMs = timeMs;
          e.mCount = count;
          return e;
      }
  
      /**
       * Returns the PowerStateSubsystem with the given name (creating it if it doesn't exist).
       */
      public PowerStateSubsystem getSubsystem(String name) {
          PowerStateSubsystem e = mSubsystemLowPowerStats.get(name);
          if (e == null) {
              e = new PowerStateSubsystem();
              mSubsystemLowPowerStats.put(name, e);
          }
          return e;
      }
  
      /** Represents a subsystem state or a platform voter. */
      public static class PowerStateElement {
          public long mTimeMs; // totalTimeInMsecVotedForSinceBoot
          public int mCount; // totalNumberOfTimesVotedSinceBoot
  
          private PowerStateElement(long timeMs, int count) {
              this.mTimeMs = timeMs;
              this.mCount = count;
          }
      }
  
      /** Represents a PowerStatePlatformSleepState, per hardware/interfaces/power/1.0/types.hal */
      public static class PowerStatePlatformSleepState {
          public long mTimeMs; // residencyInMsecSinceBoot
          public int mCount; // totalTransitions
          public Map<String, PowerStateElement> mVoters = new ArrayMap<>(); // voters for this platform-level sleep state
  
          /**
           * Updates (creating if necessary) the voter with the given name, with the given timeMs and
           * count.
           */
          @SuppressWarnings("unused")
          public void putVoter(String name, long timeMs, int count) {
              PowerStateElement e = mVoters.get(name);
              if (e == null) {
                  mVoters.put(name, new PowerStateElement(timeMs, count));
              } else {
                  e.mTimeMs = timeMs;
                  e.mCount = count;
              }
          }
      }
  
      /** Represents a PowerStateSubsystem, per hardware/interfaces/power/1.1/types.hal */
      public static class PowerStateSubsystem {
          public Map<String, PowerStateElement> mStates = new ArrayMap<>(); // sleep states supported by this susbsystem
  
          /**
           * Updates (creating if necessary) the subsystem state with the given name, with the given
           * timeMs and count.
           */
          @SuppressWarnings("unused")
          public void putState(String name, long timeMs, int count) {
              PowerStateElement e = mStates.get(name);
              if (e == null) {
                  mStates.put(name, new PowerStateElement(timeMs, count));
              } else {
                  e.mTimeMs = timeMs;
                  e.mCount = count;
              }
          }
      }
  }
  