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/*
* Copyright (C) 2014 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 android.bluetooth;
import android.annotation.ElapsedRealtimeLong;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.Collections;
import java.util.List;
/**
* Record of energy and activity information from controller and
* underlying bt stack state.Timestamp the record with system
* time.
*
* @hide
*/
@SystemApi(client = SystemApi.Client.PRIVILEGED_APPS)
public final class BluetoothActivityEnergyInfo implements Parcelable {
private final long mTimestamp;
private int mBluetoothStackState;
private long mControllerTxTimeMs;
private long mControllerRxTimeMs;
private long mControllerIdleTimeMs;
private long mControllerEnergyUsed;
private List<UidTraffic> mUidTraffic;
/** @hide */
@IntDef(prefix = { "BT_STACK_STATE_" }, value = {
BT_STACK_STATE_INVALID,
BT_STACK_STATE_STATE_ACTIVE,
BT_STACK_STATE_STATE_SCANNING,
BT_STACK_STATE_STATE_IDLE
})
@Retention(RetentionPolicy.SOURCE)
public @interface BluetoothStackState {}
public static final int BT_STACK_STATE_INVALID = 0;
public static final int BT_STACK_STATE_STATE_ACTIVE = 1;
public static final int BT_STACK_STATE_STATE_SCANNING = 2;
public static final int BT_STACK_STATE_STATE_IDLE = 3;
/** @hide */
public BluetoothActivityEnergyInfo(long timestamp, int stackState,
long txTime, long rxTime, long idleTime, long energyUsed) {
mTimestamp = timestamp;
mBluetoothStackState = stackState;
mControllerTxTimeMs = txTime;
mControllerRxTimeMs = rxTime;
mControllerIdleTimeMs = idleTime;
mControllerEnergyUsed = energyUsed;
}
/** @hide */
private BluetoothActivityEnergyInfo(Parcel in) {
mTimestamp = in.readLong();
mBluetoothStackState = in.readInt();
mControllerTxTimeMs = in.readLong();
mControllerRxTimeMs = in.readLong();
mControllerIdleTimeMs = in.readLong();
mControllerEnergyUsed = in.readLong();
mUidTraffic = in.createTypedArrayList(UidTraffic.CREATOR);
}
/** @hide */
@Override
public String toString() {
return "BluetoothActivityEnergyInfo{"
+ " mTimestamp=" + mTimestamp
+ " mBluetoothStackState=" + mBluetoothStackState
+ " mControllerTxTimeMs=" + mControllerTxTimeMs
+ " mControllerRxTimeMs=" + mControllerRxTimeMs
+ " mControllerIdleTimeMs=" + mControllerIdleTimeMs
+ " mControllerEnergyUsed=" + mControllerEnergyUsed
+ " mUidTraffic=" + mUidTraffic
+ " }";
}
public static final @NonNull Parcelable.Creator<BluetoothActivityEnergyInfo> CREATOR =
new Parcelable.Creator<BluetoothActivityEnergyInfo>() {
public BluetoothActivityEnergyInfo createFromParcel(Parcel in) {
return new BluetoothActivityEnergyInfo(in);
}
public BluetoothActivityEnergyInfo[] newArray(int size) {
return new BluetoothActivityEnergyInfo[size];
}
};
/** @hide */
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeLong(mTimestamp);
out.writeInt(mBluetoothStackState);
out.writeLong(mControllerTxTimeMs);
out.writeLong(mControllerRxTimeMs);
out.writeLong(mControllerIdleTimeMs);
out.writeLong(mControllerEnergyUsed);
out.writeTypedList(mUidTraffic);
}
/** @hide */
@Override
public int describeContents() {
return 0;
}
/**
* Get the Bluetooth stack state associated with the energy info.
*
* @return one of {@link #BluetoothStackState} states
*/
@BluetoothStackState
public int getBluetoothStackState() {
return mBluetoothStackState;
}
/**
* @return tx time in ms
*/
public long getControllerTxTimeMillis() {
return mControllerTxTimeMs;
}
/**
* @return rx time in ms
*/
public long getControllerRxTimeMillis() {
return mControllerRxTimeMs;
}
/**
* @return idle time in ms
*/
public long getControllerIdleTimeMillis() {
return mControllerIdleTimeMs;
}
/**
* Get the product of current (mA), voltage (V), and time (ms).
*
* @return energy used
*/
public long getControllerEnergyUsed() {
return mControllerEnergyUsed;
}
/**
* @return timestamp (real time elapsed in milliseconds since boot) of record creation
*/
public @ElapsedRealtimeLong long getTimestampMillis() {
return mTimestamp;
}
/**
* Get the {@link List} of each application {@link android.bluetooth.UidTraffic}.
*
* @return current {@link List} of {@link android.bluetooth.UidTraffic}
*/
public @NonNull List<UidTraffic> getUidTraffic() {
if (mUidTraffic == null) {
return Collections.emptyList();
}
return mUidTraffic;
}
/** @hide */
public void setUidTraffic(List<UidTraffic> traffic) {
mUidTraffic = traffic;
}
/**
* @return true if the record Tx time, Rx time, and Idle time are more than 0.
*/
public boolean isValid() {
return ((mControllerTxTimeMs >= 0) && (mControllerRxTimeMs >= 0)
&& (mControllerIdleTimeMs >= 0));
}
}
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