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 #include "sensor_handler.h"
23 #include <sensor_log.h>
24 #include <sensor_utils.h>
25 #include <sensor_types_private.h>
27 using namespace sensor;
29 sensor_handler::sensor_handler(const sensor_info &info)
34 const char *priv = sensor::utils::get_privilege(m_info.get_uri());
35 m_info.set_privilege(priv);
37 sensor_type_t type = sensor::utils::get_type(m_info.get_uri());
38 m_info.set_type(type);
40 /* TODO: temporary walkaround for sensors that require multiple privileges */
41 switch (m_info.get_type()) {
42 case EXTERNAL_EXERCISE_SENSOR:
43 case EXERCISE_STANDALONE_SENSOR:
44 m_info.add_privilege(PRIVILEGE_LOCATION_URI);
51 bool sensor_handler::has_observer(sensor_observer *ob)
53 for (auto it = m_observers.begin(); it != m_observers.end(); ++it) {
61 void sensor_handler::add_observer(sensor_observer *ob)
63 ret_if(has_observer(ob));
65 m_observers.push_back(ob);
68 void sensor_handler::remove_observer(sensor_observer *ob)
70 m_observers.remove(ob);
73 int sensor_handler::notify(const char *uri, sensor_data_t *data, int len)
75 if (observer_count() == 0)
80 msg = new(std::nothrow) ipc::message((char *)data, len);
81 retvm_if(!msg, OP_ERROR, "Failed to allocate memory");
83 for (auto it = m_observers.begin(); it != m_observers.end(); ++it)
84 (*it)->update(uri, msg);
86 if (msg->ref_count() == 0)
94 uint32_t sensor_handler::observer_count(void)
96 return m_observers.size();
99 void sensor_handler::set_cache(sensor_data_t *data, int size)
101 if (m_last_data == NULL) {
102 m_last_data = (sensor_data_t*)malloc(size);
103 retm_if(m_last_data == NULL, "Memory allocation failed");
106 m_last_data_size = size;
107 memcpy(m_last_data, data, size);
110 int sensor_handler::get_cache(sensor_data_t **data, int *len)
112 retv_if(m_last_data == NULL, -ENODATA);
114 *data = (sensor_data_t *)malloc(m_last_data_size);
115 retvm_if(*data == NULL, -ENOMEM, "Memory allocation failed");
117 memcpy(*data, m_last_data, m_last_data_size);
118 *len = m_last_data_size;