| /* |
| * 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) |
| + '}'; |
| } |
| } |