| /* |
| * 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 static com.google.uwb.support.fira.FiraParams.PACS_PROFILE_SERVICE_ID; |
| |
| import android.annotation.NonNull; |
| import android.content.AttributionSource; |
| import android.content.Context; |
| import android.os.Binder; |
| import android.os.Handler; |
| import android.util.Log; |
| import android.uwb.IUwbRangingCallbacks; |
| import android.uwb.SessionHandle; |
| |
| 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.android.server.uwb.data.UwbUciConstants; |
| |
| 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<>(); |
| |
| public final Map<SessionHandle, RangingSessionController> mRangingSessionTable = |
| 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); |
| } |
| |
| /** Remove existing service profile from profile manager */ |
| public int 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); |
| } |
| } |
| } |
| else { |
| return UwbUciConstants.STATUS_CODE_FAILED; |
| } |
| mHandler.post(() -> mUwbConfigStore.saveToStore(true)); |
| return UwbUciConstants.STATUS_CODE_OK; |
| } |
| |
| 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; |
| } |
| |
| /** Initializes state machine and session related info */ |
| public void activateProfile(AttributionSource attributionSource, SessionHandle sessionHandle, |
| UUID serviceInstanceId, IUwbRangingCallbacks rangingCallbacks) { |
| |
| if (!mServiceProfileMap.containsKey(serviceInstanceId)) { |
| Log.e(TAG, "UUID not found"); |
| return; |
| } |
| ServiceProfileInfo profileInfo = mServiceProfileMap.get(serviceInstanceId); |
| |
| switch (profileInfo.serviceID) { |
| /* Only PACS controlee/responder is supported now*/ |
| case PACS_PROFILE_SERVICE_ID : |
| RangingSessionController rangingSessionController = new PacsControleeSession( |
| sessionHandle, attributionSource, mContext, mUwbInjector, profileInfo, |
| rangingCallbacks, mHandler); |
| mRangingSessionTable.put(sessionHandle, rangingSessionController); |
| break; |
| default: |
| Log.e(TAG, "Service ID not supported yet"); |
| return; |
| } |
| |
| /* Session has been initialized, notify app */ |
| try { |
| rangingCallbacks.onRangingOpened(sessionHandle); |
| Log.i(TAG, "IUwbRangingCallbacks - onRangingOpened"); |
| } catch (Exception e) { |
| Log.e(TAG, "IUwbRangingCallbacks - onRangingOpened : Failed"); |
| e.printStackTrace(); |
| } |
| } |
| |
| /** Start Ranging */ |
| public void startRanging(SessionHandle sessionHandle) { |
| if (mRangingSessionTable.containsKey(sessionHandle)) { |
| RangingSessionController rangingSessionController = mRangingSessionTable.get( |
| sessionHandle); |
| rangingSessionController.startSession(); |
| } else { |
| Log.e(TAG, "Session Handle not found"); |
| } |
| } |
| |
| /** Stop Ranging, can be started again, session will not be reset */ |
| public void stopRanging(SessionHandle sessionHandle) { |
| if (mRangingSessionTable.containsKey(sessionHandle)) { |
| RangingSessionController rangingSessionController = mRangingSessionTable.get( |
| sessionHandle); |
| rangingSessionController.stopSession(); |
| } else { |
| Log.e(TAG, "Session Handle not found"); |
| } |
| } |
| |
| /** End Ranging session, session info will be reset */ |
| public void closeRanging(SessionHandle sessionHandle) { |
| if (mRangingSessionTable.containsKey(sessionHandle)) { |
| RangingSessionController rangingSessionController = mRangingSessionTable.get( |
| sessionHandle); |
| rangingSessionController.closeSession(); |
| mRangingSessionTable.remove(sessionHandle); |
| } else { |
| Log.e(TAG, "Session Handle not found"); |
| } |
| } |
| } |