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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.net.wifi;
import android.os.Parcel;
import android.os.Parcelable;
/**
* Record of energy and activity information from controller and
* underlying wifi stack state. Timestamp the record with elapsed
* real-time.
* @hide
*/
public final class WifiActivityEnergyInfo implements Parcelable {
/**
* @hide
*/
public long mTimestamp;
/**
* @hide
*/
public int mStackState;
/**
* @hide
*/
public long mControllerTxTimeMs;
/**
* @hide
*/
public long mControllerRxTimeMs;
/**
* @hide
*/
public long mControllerIdleTimeMs;
/**
* @hide
*/
public long mControllerEnergyUsed;
public static final int STACK_STATE_INVALID = 0;
public static final int STACK_STATE_STATE_ACTIVE = 1;
public static final int STACK_STATE_STATE_SCANNING = 2;
public static final int STACK_STATE_STATE_IDLE = 3;
public WifiActivityEnergyInfo(long timestamp, int stackState,
long txTime, long rxTime, long idleTime, long energyUsed) {
mTimestamp = timestamp;
mStackState = stackState;
mControllerTxTimeMs = txTime;
mControllerRxTimeMs = rxTime;
mControllerIdleTimeMs = idleTime;
mControllerEnergyUsed = energyUsed;
}
@Override
public String toString() {
return "WifiActivityEnergyInfo{"
+ " timestamp=" + mTimestamp
+ " mStackState=" + mStackState
+ " mControllerTxTimeMs=" + mControllerTxTimeMs
+ " mControllerRxTimeMs=" + mControllerRxTimeMs
+ " mControllerIdleTimeMs=" + mControllerIdleTimeMs
+ " mControllerEnergyUsed=" + mControllerEnergyUsed
+ " }";
}
public static final Parcelable.Creator<WifiActivityEnergyInfo> CREATOR =
new Parcelable.Creator<WifiActivityEnergyInfo>() {
public WifiActivityEnergyInfo createFromParcel(Parcel in) {
long timestamp = in.readLong();
int stackState = in.readInt();
long txTime = in.readLong();
long rxTime = in.readLong();
long idleTime = in.readLong();
long energyUsed = in.readLong();
return new WifiActivityEnergyInfo(timestamp, stackState,
txTime, rxTime, idleTime, energyUsed);
}
public WifiActivityEnergyInfo[] newArray(int size) {
return new WifiActivityEnergyInfo[size];
}
};
public void writeToParcel(Parcel out, int flags) {
out.writeLong(mTimestamp);
out.writeInt(mStackState);
out.writeLong(mControllerTxTimeMs);
out.writeLong(mControllerRxTimeMs);
out.writeLong(mControllerIdleTimeMs);
out.writeLong(mControllerEnergyUsed);
}
public int describeContents() {
return 0;
}
/**
* @return bt stack reported state
*/
public int getStackState() {
return mStackState;
}
/**
* @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;
}
/**
* product of current(mA), voltage(V) and time(ms)
* @return energy used
*/
public long getControllerEnergyUsed() {
return mControllerEnergyUsed;
}
/**
* @return timestamp(wall clock) of record creation
*/
public long getTimeStamp() {
return mTimestamp;
}
/**
* @return if the record is valid
*/
public boolean isValid() {
return ((mControllerTxTimeMs !=0) ||
(mControllerRxTimeMs !=0) ||
(mControllerIdleTimeMs !=0));
}
}
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