4 * Copyright (c) 2014 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 <command_common.h>
21 #include <sensor_event_dispatcher.h>
22 #include <sensor_log.h>
29 #define MAX_PENDING_CONNECTION 32
31 sensor_event_dispatcher::sensor_event_dispatcher()
36 sensor_event_dispatcher::~sensor_event_dispatcher() { }
39 sensor_event_dispatcher& sensor_event_dispatcher::get_instance()
41 static sensor_event_dispatcher inst;
45 bool sensor_event_dispatcher::run(void)
47 thread dispatcher(&sensor_event_dispatcher::dispatch_event, this);
53 void sensor_event_dispatcher::accept_event_channel(csocket client_socket)
56 event_channel_ready_t event_channel_ready;
57 client_info_manager& client_info_manager = get_client_info_manager();
59 client_socket.set_connection_mode();
61 if (client_socket.recv(&client_id, sizeof(client_id)) <= 0) {
62 _E("Failed to receive client id on socket fd[%d]", client_socket.get_socket_fd());
66 client_socket.set_transfer_mode();
68 if(!get_client_info_manager().set_event_socket(client_id, client_socket)) {
69 _E("Failed to store event socket[%d] for %s", client_socket.get_socket_fd(),
70 client_info_manager.get_client_info(client_id));
74 event_channel_ready.magic = EVENT_CHANNEL_MAGIC;
75 event_channel_ready.client_id = client_id;
77 _I("Event channel is accepted for %s on socket[%d]",
78 client_info_manager.get_client_info(client_id), client_socket.get_socket_fd());
80 if (client_socket.send(&event_channel_ready, sizeof(event_channel_ready)) <= 0) {
81 _E("Failed to send event_channel_ready packet to %s on socket fd[%d]",
82 client_info_manager.get_client_info(client_id), client_socket.get_socket_fd());
87 void sensor_event_dispatcher::accept_event_connections(csocket client_socket)
89 thread event_channel_creator(&sensor_event_dispatcher::accept_event_channel, this, client_socket);
90 event_channel_creator.detach();
93 void sensor_event_dispatcher::dispatch_event(void)
95 const int MAX_SYNTH_PER_SENSOR = 5;
97 vector<sensor_event_t> v_sensor_events(MAX_SYNTH_PER_SENSOR);
99 _I("Event Dispatcher started");
102 void *seed_event = get_event_queue().pop();
104 vector<void *> sensor_events;
105 sensor_events.push_back(seed_event);
107 virtual_sensors v_sensors = get_active_virtual_sensors();
109 auto it_v_sensor = v_sensors.begin();
111 while (it_v_sensor != v_sensors.end()) {
113 v_sensor_events.clear();
114 (*it_v_sensor)->synthesize(*((sensor_event_t *)seed_event));
115 synthesized_cnt = v_sensor_events.size();
117 for (int i = 0; i < synthesized_cnt; ++i) {
118 sensor_event_t *v_event = (sensor_event_t*)malloc(sizeof(sensor_event_t));
120 _E("Failed to allocate memory");
124 memcpy(v_event, &v_sensor_events[i], sizeof(sensor_event_t));
125 sensor_events.push_back(v_event);
131 sort_sensor_events(sensor_events);
133 for (unsigned int i = 0; i < sensor_events.size(); ++i) {
134 if (is_record_event(((sensor_event_t *)(sensor_events[i]))->event_type))
135 put_last_event(((sensor_event_t *)(sensor_events[i]))->event_type, *((sensor_event_t *)(sensor_events[i])));
138 send_sensor_events(sensor_events);
143 void sensor_event_dispatcher::send_sensor_events(vector<void *> &events)
146 sensor_event_t *sensor_events = NULL;
147 client_info_manager& client_info_manager = get_client_info_manager();
149 const int RESERVED_CLIENT_CNT = 20;
150 static client_id_vec id_vec(RESERVED_CLIENT_CNT);
152 for (unsigned int i = 0; i < events.size(); ++i) {
153 sensor_id_t sensor_id;
154 unsigned int event_type;
157 sensor_events = (sensor_event_t*)events[i];
158 length = sizeof(sensor_event_t) + sensor_events->data_length;
159 sensor_id = sensor_events->sensor_id;
160 event_type = sensor_events->event_type;
162 event = (void *)malloc(length);
164 _E("Failed to allocate memory");
168 memcpy(event, sensor_events, sizeof(sensor_event_t));
169 memcpy((char *)event + sizeof(sensor_event_t), sensor_events->data, sensor_events->data_length);
172 client_info_manager.get_listener_ids(sensor_id, event_type, id_vec);
174 auto it_client_id = id_vec.begin();
176 while (it_client_id != id_vec.end()) {
177 csocket client_socket;
178 client_info_manager.get_event_socket(*it_client_id, client_socket);
179 bool ret = (client_socket.send(event, length) > 0);
182 _D("Event[0x%x] sent to %s on socket[%d]", event_type, client_info_manager.get_client_info(*it_client_id), client_socket.get_socket_fd());
184 _E("Failed to send event[0x%x] to %s on socket[%d]", event_type, client_info_manager.get_client_info(*it_client_id), client_socket.get_socket_fd());
189 free(sensor_events->data);
194 client_info_manager& sensor_event_dispatcher::get_client_info_manager(void)
196 return client_info_manager::get_instance();
199 sensor_event_queue& sensor_event_dispatcher::get_event_queue(void)
201 return sensor_event_queue::get_instance();
204 bool sensor_event_dispatcher::is_record_event(unsigned int event_type)
209 void sensor_event_dispatcher::put_last_event(unsigned int event_type, const sensor_event_t &event)
211 AUTOLOCK(m_last_events_mutex);
212 m_last_events[event_type] = event;
215 bool sensor_event_dispatcher::get_last_event(unsigned int event_type, sensor_event_t &event)
217 AUTOLOCK(m_last_events_mutex);
219 auto it_event = m_last_events.find(event_type);
221 if (it_event == m_last_events.end())
224 event = it_event->second;
228 bool sensor_event_dispatcher::has_active_virtual_sensor(virtual_sensor *sensor)
230 AUTOLOCK(m_active_virtual_sensors_mutex);
232 auto it_v_sensor = find(m_active_virtual_sensors.begin(), m_active_virtual_sensors.end(), sensor);
234 return (it_v_sensor != m_active_virtual_sensors.end());
238 virtual_sensors sensor_event_dispatcher::get_active_virtual_sensors(void)
240 AUTOLOCK(m_active_virtual_sensors_mutex);
242 return m_active_virtual_sensors;
246 bool operator()(const void *left, const void *right) {
247 return ((sensor_event_t *)left)->data->timestamp < ((sensor_event_t *)right)->data->timestamp;
251 void sensor_event_dispatcher::sort_sensor_events(vector<void *> &events)
253 std::sort(events.begin(), events.end(), sort_comp());
256 void sensor_event_dispatcher::request_last_event(int client_id, sensor_id_t sensor_id)
258 client_info_manager& client_info_manager = get_client_info_manager();
259 event_type_vector event_vec;
260 csocket client_socket;
262 if (client_info_manager.get_registered_events(client_id, sensor_id, event_vec)) {
263 if (!client_info_manager.get_event_socket(client_id, client_socket)) {
264 _E("Failed to get event socket from %s",
265 client_info_manager.get_client_info(client_id));
269 auto it_event = event_vec.begin();
270 while (it_event != event_vec.end()) {
271 sensor_event_t event;
272 if (is_record_event(*it_event) && get_last_event(*it_event, event)) {
273 if (client_socket.send(&event, sizeof(event)) > 0)
274 _I("Send the last event[0x%x] to %s on socket[%d]", event.event_type,
275 client_info_manager.get_client_info(client_id), client_socket.get_socket_fd());
277 _E("Failed to send event[0x%x] to %s on socket[%d]", event.event_type,
278 client_info_manager.get_client_info(client_id), client_socket.get_socket_fd());
286 bool sensor_event_dispatcher::add_active_virtual_sensor(virtual_sensor * sensor)
288 AUTOLOCK(m_active_virtual_sensors_mutex);
290 if (has_active_virtual_sensor(sensor)) {
291 _E("[%s] sensor is already added on active virtual sensors", sensor->get_name());
295 m_active_virtual_sensors.push_back(sensor);
300 bool sensor_event_dispatcher::delete_active_virtual_sensor(virtual_sensor * sensor)
302 AUTOLOCK(m_active_virtual_sensors_mutex);
304 auto it_v_sensor = find(m_active_virtual_sensors.begin(), m_active_virtual_sensors.end(), sensor);
306 if (it_v_sensor == m_active_virtual_sensors.end()) {
307 _E("Fail to delete non-existent [%s] sensor on active virtual sensors", sensor->get_name());
311 m_active_virtual_sensors.erase(it_v_sensor);