4 * Copyright (c) 2017 Samsung Electronics Co., Ltd.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
20 #ifndef __SENSOR_HANDLER_H__
21 #define __SENSOR_HANDLER_H__
23 #include <sensor_observer.h>
24 #include <sensor_publisher.h>
25 #include <sensor_types.h>
26 #include <sensor_info.h>
31 class sensor_handler : public sensor_publisher {
33 sensor_handler(const sensor_info &info);
34 virtual ~sensor_handler() {}
37 bool has_observer(sensor_observer *ob);
38 void add_observer(sensor_observer *ob);
39 void remove_observer(sensor_observer *ob);
40 int notify(const char *type, sensor_data_t *data, int len);
41 uint32_t observer_count(void);
43 virtual const sensor_info &get_sensor_info(void) = 0;
45 virtual int start(sensor_observer *ob) = 0;
46 virtual int stop(sensor_observer *ob) = 0;
48 virtual int set_interval(sensor_observer *ob, int32_t interval) = 0;
49 virtual int set_batch_latency(sensor_observer *ob, int32_t latency) = 0;
50 virtual int set_attribute(sensor_observer *ob, int32_t attr, int32_t value) = 0;
51 virtual int set_attribute(sensor_observer *ob, int32_t attr, const char *value, int len) = 0;
52 virtual int flush(sensor_observer *ob) = 0;
53 virtual int get_data(sensor_data_t **data, int *len) = 0;
59 std::list<sensor_observer *> m_observers;
64 #endif /* __SENSOR_HANDLER_H__ */