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>
33 class sensor_handler : public sensor_publisher {
35 sensor_handler(const sensor_info &info);
36 virtual ~sensor_handler() {}
39 bool has_observer(sensor_observer *ob);
40 bool add_observer(sensor_observer *ob);
41 void remove_observer(sensor_observer *ob);
42 int notify(const char *type, sensor_data_t *data, int len);
43 uint32_t observer_count(void);
45 virtual const sensor_info &get_sensor_info(void) = 0;
47 virtual int start(sensor_observer *ob) = 0;
48 virtual int stop(sensor_observer *ob) = 0;
50 virtual int set_interval(sensor_observer *ob, int32_t interval) = 0;
51 virtual int get_interval(sensor_observer *ob, int32_t &interval) = 0;
53 virtual int set_batch_latency(sensor_observer *ob, int32_t latency) = 0;
54 virtual int get_batch_latency(sensor_observer *ob, int32_t &latency) = 0;
56 virtual int delete_batch_latency(sensor_observer *ob);
57 virtual int set_attribute(sensor_observer *ob, int32_t attr, int32_t value) = 0;
58 virtual int get_attribute(int32_t attr, int32_t* value);
59 void update_attribute(int32_t attr, int32_t value);
60 virtual int set_attribute(sensor_observer *ob, int32_t attr, const char *value, int len) = 0;
61 virtual int get_attribute(int32_t attr, char **value, int *len);
62 void update_attribute(int32_t attr, const char *value, int len);
63 virtual int flush(sensor_observer *ob) = 0;
64 virtual int get_data(sensor_data_t **data, int *len) = 0;
66 void set_cache(sensor_data_t *data, int size);
67 int get_cache(sensor_data_t **data, int *len);
68 bool notify_attribute_changed(uint32_t id, int32_t attribute, int32_t value);
69 bool notify_attribute_changed(uint32_t id, int32_t attribute, const char *value, int len);
70 bool need_to_notify_attribute_changed();
71 void set_need_to_notify_attribute_changed(bool value);
73 void update_prev_interval(int32_t interval);
74 void update_prev_latency(int32_t latency);
77 int32_t m_prev_interval;
78 int32_t m_prev_latency;
80 std::map<int32_t, int32_t> m_attributes_int;
81 std::map<int32_t, std::vector<char>> m_attributes_str;
83 bool m_need_to_notify_attribute_changed;
85 std::list<sensor_observer *> m_observers;
87 std::vector<char> m_sensor_data_cache;
92 #endif /* __SENSOR_HANDLER_H__ */