content: /*
   * Copyright 2019 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.server.wifi;
  
  import android.telephony.SignalStrength;
  import android.telephony.TelephonyManager;
  import android.telephony.TelephonyManager.NetworkType;
  
  /**
   * A class representing the link layer statistics of the primary registered cell
   * of cellular network
   */
  public class CellularLinkLayerStats {
      /** Cellular data network type currently in use on the device for data transmission */
      private @NetworkType int mDataNetworkType =
              TelephonyManager.NETWORK_TYPE_UNKNOWN;
      /**
       * Cellular signal strength in dBm, NR: CsiRsrp, LTE: Rsrp, WCDMA/TDSCDMA: Rscp,
       * CDMA: Rssi, EVDO: Rssi, GSM: Rssi
       */
      private int mSignalStrengthDbm = SignalStrength.INVALID;
      /**
       * Cellular signal strength in dB, NR: CsiSinr, LTE: Rsrq, WCDMA: EcNo, TDSCDMA: invalid,
       * CDMA: Ecio, EVDO: SNR, GSM: invalid
       */
      private int mSignalStrengthDb = SignalStrength.INVALID;
      /** Whether it is a new or old registered cell */
      private boolean mIsSameRegisteredCell = false;
  
      public void setDataNetworkType(@NetworkType int dataNetworkType) {
          mDataNetworkType = dataNetworkType;
      }
  
      public void setSignalStrengthDbm(int signalStrengthDbm) {
          mSignalStrengthDbm = signalStrengthDbm;
      }
  
      public void setIsSameRegisteredCell(boolean isSameRegisteredCell) {
          mIsSameRegisteredCell = isSameRegisteredCell;
      }
  
      public void setSignalStrengthDb(int signalStrengthDb) {
          mSignalStrengthDb = signalStrengthDb;
      }
  
      public @NetworkType int getDataNetworkType() {
          return mDataNetworkType;
      }
  
      public boolean getIsSameRegisteredCell() {
          return mIsSameRegisteredCell;
      }
  
      public int getSignalStrengthDb() {
          return mSignalStrengthDb;
      }
  
      public int getSignalStrengthDbm() {
          return mSignalStrengthDbm;
      }
  
      @Override
      public String toString() {
          StringBuilder sbuf = new StringBuilder();
          sbuf.append(" CellularLinkLayerStats: ").append('\n')
                  .append(" Data Network Type: ")
                  .append(mDataNetworkType).append('\n')
                  .append(" Signal Strength in dBm: ")
                  .append(mSignalStrengthDbm).append('\n')
                  .append(" Signal Strength in dB: ")
                  .append(mSignalStrengthDb).append('\n')
                  .append(" Is it the same registered cell? ")
                  .append(mIsSameRegisteredCell).append('\n');
          return sbuf.toString();
      }
  }
  