1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef CHRE_CORE_SENSOR_REQUEST_MULTIPLEXER_H_ 18 #define CHRE_CORE_SENSOR_REQUEST_MULTIPLEXER_H_ 19 20 #include "chre/core/request_multiplexer.h" 21 #include "chre/core/sensor_request.h" 22 23 namespace chre { 24 25 /** 26 * Provides methods on top of the RequestMultiplexer class specific for working 27 * with SensorRequest objects. 28 */ 29 class SensorRequestMultiplexer : public RequestMultiplexer<SensorRequest> { 30 public: 31 /** 32 * Searches through the list of sensor requests for a request owned by the 33 * given nanoapp. The provided non-null index pointer is populated with the 34 * index of the request if it is found. 35 * 36 * @param instanceId The instance ID of the nanoapp whose request is being 37 * searched for. 38 * @param index A non-null pointer to an index that is populated if a 39 * request for this nanoapp is found. 40 * @return A pointer to a SensorRequest that is owned by the provided 41 * nanoapp if one is found otherwise nullptr. 42 */ 43 const SensorRequest *findRequest(uint32_t instanceId, size_t *index) const; 44 }; 45 46 } // namespace chre 47 48 #endif // CHRE_CORE_SENSOR_REQUEST_MULTIPLEXER_H_