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 "external_sensor_handler.h"
23 #include <sensor_log.h>
24 #include <external_sensor.h>
27 using namespace sensor;
29 class external_sensor_notifier : public sensor_notifier {
31 external_sensor_notifier(external_sensor_handler *sensor);
36 external_sensor_handler *m_sensor;
39 external_sensor_notifier::external_sensor_notifier(external_sensor_handler *sensor)
44 int external_sensor_notifier::notify(void)
46 /* TODO: Change thread-safe function(add handler to event-loop) */
50 if (m_sensor->get_data(&data, &len) < 0)
53 /* TODO: pointer would be better */
54 sensor_info info = m_sensor->get_sensor_info();
56 return m_sensor->notify(info.get_uri().c_str(), data, len);
59 external_sensor_handler::external_sensor_handler(const sensor_info &info,
60 external_sensor *sensor)
61 : sensor_handler(info)
64 , m_policy(OP_DEFAULT)
69 external_sensor_handler::~external_sensor_handler()
74 bool external_sensor_handler::init(void)
76 m_notifier = new(std::nothrow) external_sensor_notifier(this);
77 retvm_if(!m_notifier, false, "Failed to allocate memory");
79 m_sensor->set_notifier(m_notifier);
83 void external_sensor_handler::deinit(void)
89 const sensor_info &external_sensor_handler::get_sensor_info(void)
94 int external_sensor_handler::start(sensor_observer *ob)
96 retv_if(!m_sensor, -EINVAL);
98 int policy = m_sensor->start(ob);
99 retv_if(policy <= OP_ERROR, policy);
106 int external_sensor_handler::stop(sensor_observer *ob)
108 retv_if(!m_sensor, -EINVAL);
110 int policy = m_sensor->stop(ob);
111 retv_if(policy <= OP_ERROR, policy);
118 int external_sensor_handler::get_min_interval(void)
121 std::vector<int> temp;
123 for (auto it = m_interval_map.begin(); it != m_interval_map.end(); ++it)
125 temp.push_back(it->second);
128 return m_info.get_min_interval();
130 interval = *std::min_element(temp.begin(), temp.end());
132 if (interval < m_info.get_min_interval())
133 return m_info.get_min_interval();
138 int external_sensor_handler::set_interval(sensor_observer *ob, int32_t interval)
140 retv_if(!m_sensor, -EINVAL);
142 int _interval = interval;
144 if ((m_policy == OP_DEFAULT && observer_count() == 0) || m_policy == OP_SUCCESS) {
145 m_policy = m_sensor->set_interval(ob, interval);
146 retv_if(m_policy <= OP_ERROR, m_policy);
149 m_interval_map[ob] = interval;
151 if (m_policy == OP_DEFAULT && observer_count() > 0) {
152 _interval = get_min_interval();
153 return m_sensor->set_interval(ob, _interval);
159 int external_sensor_handler::get_min_batch_latency(void)
162 std::vector<int> temp;
164 for (auto it = m_batch_latency_map.begin(); it != m_batch_latency_map.end(); ++it)
166 temp.push_back(it->second);
171 batch_latency = *std::min_element(temp.begin(), temp.end());
173 return batch_latency;
176 int external_sensor_handler::set_batch_latency(sensor_observer *ob, int32_t latency)
178 retv_if(!m_sensor, -EINVAL);
180 int _latency = latency;
182 if ((m_policy == OP_DEFAULT && observer_count() == 0) || m_policy == OP_SUCCESS) {
183 m_policy = m_sensor->set_batch_latency(ob, latency);
184 retv_if(m_policy <= OP_ERROR, m_policy);
187 m_batch_latency_map[ob] = _latency;
189 if (m_policy == OP_DEFAULT && observer_count() > 0) {
190 _latency = get_min_batch_latency();
191 return m_sensor->set_batch_latency(ob, latency);
196 int external_sensor_handler::set_attribute(sensor_observer *ob, int32_t attr, int32_t value)
198 retv_if(!m_sensor, -EINVAL);
200 if ((m_policy == OP_DEFAULT && observer_count() == 0) || m_policy == OP_SUCCESS) {
201 m_policy = m_sensor->set_attribute(ob, attr, value);
202 retv_if(m_policy <= OP_ERROR, m_policy);
205 if (m_policy == OP_DEFAULT) {
211 int external_sensor_handler::set_attribute(sensor_observer *ob, int32_t attr, const char *value, int len)
213 retv_if(!m_sensor, -EINVAL);
215 if ((m_policy == OP_DEFAULT && observer_count() == 0) || m_policy == OP_SUCCESS) {
216 m_policy = m_sensor->set_attribute(ob, attr, value, len);
217 retv_if(m_policy <= OP_ERROR, m_policy);
220 if (m_policy == OP_DEFAULT) {
226 int external_sensor_handler::get_data(sensor_data_t **data, int *len)
228 return m_sensor->get_data(data, len);
231 int external_sensor_handler::flush(sensor_observer *ob)
233 retv_if(!m_sensor, -EINVAL);
235 m_sensor->flush(this);