| /* |
| * Copyright (C) 2022 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.pm; |
| |
| import android.annotation.NonNull; |
| import android.content.Context; |
| import android.os.Binder; |
| import android.os.Handler; |
| |
| import com.android.server.uwb.UwbConfigStore; |
| import com.android.server.uwb.UwbInjector; |
| import com.android.server.uwb.data.ServiceProfileData; |
| import com.android.server.uwb.data.ServiceProfileData.ServiceProfileInfo; |
| |
| import com.google.uwb.support.fira.FiraParams.ServiceID; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.UUID; |
| |
| public class ProfileManager { |
| |
| private static final String TAG = "UwbServiceProfileStore"; |
| |
| public final Map<UUID, ServiceProfileInfo> mServiceProfileMap = |
| new HashMap<>(); |
| |
| public final Map<Integer, List<ServiceProfileInfo>> mAppServiceProfileMap = |
| new HashMap<>(); |
| |
| private static final int MAX_RETRIES = 10; |
| |
| |
| private final Context mContext; |
| private final Handler mHandler; |
| private final UwbConfigStore mUwbConfigStore; |
| private final UwbInjector mUwbInjector; |
| |
| private boolean mHasNewDataToSerialize = false; |
| |
| |
| public ProfileManager(@NonNull Context context, @NonNull Handler handler, @NonNull |
| UwbConfigStore uwbConfigStore, UwbInjector uwbInjector) { |
| mContext = context; |
| mHandler = handler; |
| mUwbConfigStore = uwbConfigStore; |
| mUwbInjector = uwbInjector; |
| mUwbConfigStore.registerStoreData(mUwbInjector |
| .makeServiceProfileData(new ServiceProfileStoreData())); |
| } |
| |
| private class ServiceProfileStoreData implements |
| ServiceProfileData.DataSource { |
| |
| @Override |
| public Map<UUID, ServiceProfileInfo> toSerialize() { |
| mHasNewDataToSerialize = false; |
| return mServiceProfileMap; |
| } |
| |
| @Override |
| public void fromDeserialized(Map<UUID, ServiceProfileInfo> serviceProfileDataMap) { |
| loadServiceProfile(serviceProfileDataMap); |
| } |
| |
| @Override |
| public void reset() { |
| mServiceProfileMap.clear(); |
| mAppServiceProfileMap.clear(); |
| } |
| |
| @Override |
| public boolean hasNewDataToSerialize() { |
| return mHasNewDataToSerialize; |
| } |
| } |
| |
| public Optional<UUID> addServiceProfile(@ServiceID int serviceID) { |
| UUID serviceInstanceID; |
| int app_uid = Binder.getCallingUid(); |
| int num_tries = 0; |
| do { |
| serviceInstanceID = UUID.randomUUID(); |
| num_tries++; |
| } while(mServiceProfileMap.containsKey(serviceInstanceID) && num_tries < MAX_RETRIES); |
| |
| if (num_tries == MAX_RETRIES) { |
| return Optional.empty(); |
| } |
| ServiceProfileInfo serviceProfileInfo = new ServiceProfileInfo(serviceInstanceID, |
| Binder.getCallingUid(), mContext.getPackageName(), serviceID); |
| mServiceProfileMap.put(serviceInstanceID, serviceProfileInfo); |
| if (mAppServiceProfileMap.containsKey(app_uid)) { |
| List<ServiceProfileInfo> appServiceProfileList = mAppServiceProfileMap.get(app_uid); |
| appServiceProfileList.add(serviceProfileInfo); |
| mAppServiceProfileMap.put(app_uid, appServiceProfileList); |
| } else { |
| List<ServiceProfileInfo> appServiceProfileList = new ArrayList(); |
| appServiceProfileList.add(serviceProfileInfo); |
| mAppServiceProfileMap.put(app_uid, appServiceProfileList); |
| } |
| mHasNewDataToSerialize = true; |
| mHandler.post(() -> mUwbConfigStore.saveToStore(true)); |
| return Optional.of(serviceInstanceID); |
| } |
| |
| public void removeServiceProfile(UUID serviceInstanceID) { |
| int app_uid = Binder.getCallingUid(); |
| if (mServiceProfileMap.containsKey(serviceInstanceID)) { |
| ServiceProfileInfo serviceProfileInfo = mServiceProfileMap.get(serviceInstanceID); |
| mServiceProfileMap.remove(serviceInstanceID); |
| |
| if (mAppServiceProfileMap.containsKey(app_uid)) { |
| List<ServiceProfileInfo> appServiceProfileList = |
| mAppServiceProfileMap.get(app_uid); |
| appServiceProfileList.remove(serviceProfileInfo); |
| if (appServiceProfileList.isEmpty()) { |
| mAppServiceProfileMap.remove(app_uid); |
| } else { |
| mAppServiceProfileMap.put(app_uid, appServiceProfileList); |
| } |
| } |
| } |
| mHandler.post(() -> mUwbConfigStore.saveToStore(true)); |
| } |
| |
| public void loadServiceProfile(Map<UUID, ServiceProfileInfo> serviceProfileDataMap) { |
| mServiceProfileMap.clear(); |
| mAppServiceProfileMap.clear(); |
| for (Map.Entry<UUID, ServiceProfileInfo> entry : serviceProfileDataMap.entrySet()) { |
| mServiceProfileMap.put(entry.getKey(), entry.getValue()); |
| int app_uid = entry.getValue().uid; |
| if (mAppServiceProfileMap.containsKey(app_uid)) { |
| List<ServiceProfileInfo> appServiceProfileList = mAppServiceProfileMap.get(app_uid); |
| appServiceProfileList.add(entry.getValue()); |
| mAppServiceProfileMap.put(app_uid, appServiceProfileList); |
| } else { |
| List<ServiceProfileInfo> appServiceProfileList = new ArrayList(); |
| appServiceProfileList.add(entry.getValue()); |
| mAppServiceProfileMap.put(app_uid, appServiceProfileList); |
| } |
| } |
| } |
| |
| //TODO Send all info related to app as a Persistable bundle |
| public List<ServiceProfileInfo> getServiceProfiles() { |
| int app_uid = Binder.getCallingUid(); |
| if (mAppServiceProfileMap.containsKey(app_uid)) { |
| return mAppServiceProfileMap.get(app_uid); |
| } |
| return null; |
| } |
| } |