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_provider.h"
24 #include <sensor_log.h>
25 #include <sensor_types.h>
26 #include <sensor_utils.h>
27 #include <ipc_client.h>
28 #include <command_types.h>
31 #include "sensor_provider_channel_handler.h"
33 #define DEFAULT_RESOLUTION 0.1
35 using namespace sensor;
37 sensor_provider::sensor_provider(const char *uri)
46 sensor_provider::~sensor_provider()
51 bool sensor_provider::init(const char *uri)
53 m_client = new(std::nothrow) ipc::ipc_client(SENSOR_CHANNEL_PATH);
54 retvm_if(!m_client, false, "Failed to allocate memory");
56 m_handler = new(std::nothrow) channel_handler(this);
62 m_sensor.set_uri(uri);
63 m_sensor.set_min_range(-FLT_MAX);
64 m_sensor.set_max_range(FLT_MAX);
65 m_sensor.set_resolution(DEFAULT_RESOLUTION);
66 /* TODO: temporary walkaround */
67 const char *priv = sensor::utils::get_privilege(uri);
68 m_sensor.set_privilege(priv);
73 void sensor_provider::deinit(void)
84 const char *sensor_provider::get_uri(void)
86 return m_sensor.get_uri().c_str();
89 sensor_info *sensor_provider::get_sensor_info(void)
94 int sensor_provider::serialize(sensor_info *info, char **bytes)
97 raw_data_t *raw = new(std::nothrow) raw_data_t;
98 retvm_if(!raw, -ENOMEM, "Failed to allocated memory");
100 info->serialize(*raw);
102 *bytes = new(std::nothrow) char[raw->size()];
103 retvm_if(!*bytes, -ENOMEM, "Failed to allocate memory");
105 std::copy(raw->begin(), raw->end(), *bytes);
113 int sensor_provider::send_sensor_info(sensor_info *info)
118 size = serialize(info, &bytes);
120 ipc::message msg((const char *)bytes, size);
121 msg.set_type(CMD_PROVIDER_CONNECT);
123 m_channel->send_sync(&msg);
128 int sensor_provider::connect(void)
130 m_channel = m_client->connect(m_handler, &m_loop);
131 retvm_if(!m_channel, -EIO, "Failed to connect to server");
133 /* serialize and send sensor info */
134 send_sensor_info(get_sensor_info());
138 m_channel->read_sync(reply);
139 retv_if(reply.header()->err < 0, reply.header()->err);
141 m_connected.store(true);
143 _I("Provider URI[%s]", get_uri());
148 bool sensor_provider::disconnect(void)
150 retv_if(!is_connected(), false);
151 m_connected.store(false);
153 m_channel->disconnect();
157 _I("Disconnected[%s]", get_uri());
162 void sensor_provider::restore(void)
164 ret_if(!is_connected());
165 retm_if(!connect(), "Failed to restore provider");
167 _D("Restored provider[%s]", get_uri());
170 int sensor_provider::publish(sensor_data_t *data, int len)
172 for (int i = 0; i < data->value_count; ++i) {
173 if (data->values[i] < m_sensor.get_min_range() ||
174 data->values[i] > m_sensor.get_max_range()) {
181 msg.set_type(CMD_PROVIDER_PUBLISH);
182 msg.enclose((const char *)data, len);
184 m_channel->send_sync(&msg);
189 bool sensor_provider::is_connected(void)
191 return m_connected.load();
194 void sensor_provider::set_start_cb(sensord_provider_start_cb cb, void *user_data)
196 m_handler->set_start_cb(cb, user_data);
199 void sensor_provider::set_stop_cb(sensord_provider_stop_cb cb, void *user_data)
201 m_handler->set_stop_cb(cb, user_data);
204 void sensor_provider::set_interval_cb(sensord_provider_interval_changed_cb cb, void *user_data)
206 m_handler->set_interval_cb(cb, user_data);