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/*
* Copyright (C) 2021 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.uwb.data;
import android.util.Log;
import android.uwb.UwbAddress;
import java.nio.ByteBuffer;
import java.util.Arrays;
public class UwbMulticastListUpdateStatus {
private static final String TAG = "UwbM*ListUpdateStatus";
private long mSessionId;
private int mRemainingSize;
private int mNumOfControlees;
private byte[] mControleeMacAddresses;
private long[] mSubSessionId;
private int[] mStatus;
private UwbAddress[] mControleeUwbAddresses;
public UwbMulticastListUpdateStatus(long sessionID, int remainingSize, int numOfControlees,
byte[] controleeMacAddresses, long[] subSessionId, int[] status) {
this.mSessionId = sessionID;
this.mRemainingSize = remainingSize;
this.mNumOfControlees = numOfControlees;
this.mControleeMacAddresses = controleeMacAddresses;
this.mSubSessionId = subSessionId;
this.mStatus = status;
Log.d(TAG, "Controlee count: " + numOfControlees + " mac addresses: "
+ Arrays.toString(controleeMacAddresses));
if (controleeMacAddresses != null) {
// Precache mac addresses in a more usable and universal form.
mControleeUwbAddresses = getUwbAddresses(mControleeMacAddresses, mNumOfControlees,
mControleeMacAddresses.length / mNumOfControlees);
}
}
// Convert controlee addresses in byte array to array of UwbAddress.
public UwbAddress[] getUwbAddresses(byte[] macAddresses, int numOfAddresses,
int addressLength) {
UwbAddress[] uwbAddresses = new UwbAddress[numOfAddresses];
ByteBuffer buffer = ByteBuffer.allocate(macAddresses.length);
buffer.put(macAddresses);
buffer.flip();
for (int i = 0; i < numOfAddresses; i++) {
if (buffer.remaining() >= addressLength) {
byte[] macAddress = new byte[addressLength];
buffer.get(macAddress, 0, macAddress.length);
uwbAddresses[i] = UwbAddress.fromBytes(macAddress);
}
}
return uwbAddresses;
}
public long getSessionId() {
return mSessionId;
}
public int getRemainingSize() {
return mRemainingSize;
}
public int getNumOfControlee() {
return mNumOfControlees;
}
// This should go obsolete as we shift to UwbAddresses.
public byte[] getControleeMacAddresses() {
return mControleeMacAddresses;
}
public long[] getSubSessionId() {
return mSubSessionId;
}
public int[] getStatus() {
return mStatus;
}
public UwbAddress[] getControleeUwbAddresses() {
return mControleeUwbAddresses;
}
@Override
public String toString() {
return "UwbMulticastListUpdateEvent { "
+ " SessionID =" + mSessionId
+ ", RemainingSize =" + mRemainingSize
+ ", NumOfControlee =" + mNumOfControlees
+ ", MacAddress =" + Arrays.toString(mControleeMacAddresses)
+ ", SubSessionId =" + Arrays.toString(mSubSessionId)
+ ", Status =" + Arrays.toString(mStatus)
+ '}';
}
}
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