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>
26 #include <command_types.h>
27 #include <sensor_listener_proxy.h>
29 using namespace sensor;
31 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);
47 m_info.add_privilege(PRIVILEGE_PLATFORM_URI);
54 bool sensor_handler::has_observer(sensor_observer *ob)
56 for (auto it = m_observers.begin(); it != m_observers.end(); ++it) {
64 bool sensor_handler::add_observer(sensor_observer *ob)
66 retv_if(has_observer(ob), false);
68 m_observers.push_back(ob);
72 void sensor_handler::remove_observer(sensor_observer *ob)
74 m_observers.remove(ob);
77 int sensor_handler::notify(const char *uri, sensor_data_t *data, int len)
79 if (observer_count() == 0)
82 auto msg = ipc::message::create((char *)data, len);
84 retvm_if(!msg, OP_ERROR, "Failed to allocate memory");
86 for (auto it = m_observers.begin(); it != m_observers.end(); ++it)
87 (*it)->update(uri, msg);
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 char* p = (char*) data;
104 m_sensor_data_cache.reserve(size);
106 _E("Memory allocation failed");
109 m_sensor_data_cache.clear();
110 m_sensor_data_cache.insert(m_sensor_data_cache.begin(), p, p + size);
113 int sensor_handler::get_cache(sensor_data_t **data, int *len)
115 auto size = m_sensor_data_cache.size();
116 retv_if(size == 0, -ENODATA);
118 char* temp = (char *)malloc(size);
119 retvm_if(temp == NULL, -ENOMEM, "Memory allocation failed");
120 std::copy(m_sensor_data_cache.begin(), m_sensor_data_cache.end(), temp);
123 *data = (sensor_data_t *)temp;
128 bool sensor_handler::notify_attribute_changed(uint32_t id, int attribute, int value)
130 if (observer_count() == 0)
133 cmd_listener_attr_int_t buf;
134 buf.listener_id = id;
135 buf.attribute = attribute;
138 auto msg = ipc::message::create();
140 retvm_if(!msg, OP_ERROR, "Failed to allocate memory");
142 msg->set_type(CMD_LISTENER_SET_ATTR_INT);
143 msg->enclose((char *)&buf, sizeof(buf));
145 sensor_listener_proxy *proxy = NULL;
146 for (auto it = m_observers.begin(); it != m_observers.end(); ++it) {
147 proxy = dynamic_cast<sensor_listener_proxy *>(*it);
148 if (proxy && proxy->get_id() != id) {
149 proxy->on_attribute_changed(msg);
156 bool sensor_handler::notify_attribute_changed(uint32_t id, int attribute, const char *value, int len)
158 if (observer_count() == 0)
161 cmd_listener_attr_str_t *buf;
163 size = sizeof(cmd_listener_attr_str_t) + len;
164 buf = (cmd_listener_attr_str_t *) new(std::nothrow) char[size];
165 retvm_if(!buf, -ENOMEM, "Failed to allocate memory");
167 auto msg = ipc::message::create();
168 retvm_if(!msg, OP_ERROR, "Failed to allocate memory");
170 buf->listener_id = id;
171 buf->attribute = attribute;
172 memcpy(buf->value, value, len);
175 msg->set_type(CMD_LISTENER_SET_ATTR_STR);
176 msg->enclose((char *)buf, size);
178 _I("notify attribute changed by listener[%zu]\n", id);
179 sensor_listener_proxy *proxy = NULL;
180 for (auto it = m_observers.begin(); it != m_observers.end(); ++it) {
181 proxy = dynamic_cast<sensor_listener_proxy *>(*it);
182 if (proxy && proxy->get_id() != id) {
183 proxy->on_attribute_changed(msg);
192 int sensor_handler::delete_batch_latency(sensor_observer *ob)
197 int sensor_handler::get_attribute(int32_t attr, int32_t* value)
199 auto it = m_attributes_int.find(attr);
200 retv_if(it == m_attributes_int.end(), OP_ERROR);
206 void sensor_handler::update_attribute(int32_t attr, int32_t value)
208 m_attributes_int[attr] = value;
209 _I("[%s] attributes(int) size : %d", m_info.get_uri().c_str(), m_attributes_int.size());
212 int sensor_handler::get_attribute(int32_t attr, char **value, int *len)
214 auto it = m_attributes_str.find(attr);
215 retv_if(it == m_attributes_str.end(), OP_ERROR);
217 *len = it->second.size();
218 *value = new(std::nothrow) char[*len];
219 std::copy(it->second.begin(), it->second.end(), *value);
224 void sensor_handler::update_attribute(int32_t attr, const char *value, int len)
226 m_attributes_str[attr].clear();
227 m_attributes_str[attr].insert(m_attributes_str[attr].begin(), value, value + len);
228 _I("[%s] attributes(int) size : %d", m_info.get_uri().c_str(), m_attributes_int.size());