1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/*
* Copyright 2016 - 2022 Anton Tananaev (anton@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.database;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.Context;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import org.traccar.model.Device;
import org.traccar.model.Position;
import org.traccar.session.ConnectionManager;
import org.traccar.session.DeviceState;
import org.traccar.storage.StorageException;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicLong;
public class DeviceManager extends BaseObjectManager<Device> implements IdentityManager {
private static final Logger LOGGER = LoggerFactory.getLogger(DeviceManager.class);
private final ConnectionManager connectionManager;
private final long dataRefreshDelay;
private final AtomicLong devicesLastUpdate = new AtomicLong();
private final Map<Long, Position> positions = new ConcurrentHashMap<>();
private final Map<Long, DeviceState> deviceStates = new ConcurrentHashMap<>();
public DeviceManager(
Config config, DataManager dataManager, ConnectionManager connectionManager) {
super(dataManager, Device.class);
this.connectionManager = connectionManager;
dataRefreshDelay = config.getLong(Keys.DATABASE_REFRESH_DELAY) * 1000;
refreshLastPositions();
}
public void updateDeviceCache(boolean force) {
long lastUpdate = devicesLastUpdate.get();
if ((force || System.currentTimeMillis() - lastUpdate > dataRefreshDelay)
&& devicesLastUpdate.compareAndSet(lastUpdate, System.currentTimeMillis())) {
refreshItems();
}
}
@Override
public Set<Long> getAllItems() {
Set<Long> result = super.getAllItems();
if (result.isEmpty()) {
updateDeviceCache(true);
result = super.getAllItems();
}
return result;
}
public Collection<Device> getAllDevices() {
return getItems(getAllItems());
}
public Set<Long> getAllUserItems(long userId) {
return Context.getPermissionsManager().getDevicePermissions(userId);
}
public Set<Long> getUserItems(long userId) {
if (Context.getPermissionsManager() != null) {
Set<Long> result = new HashSet<>();
for (long deviceId : Context.getPermissionsManager().getDevicePermissions(userId)) {
Device device = getById(deviceId);
if (device != null && !device.getDisabled()) {
result.add(deviceId);
}
}
return result;
} else {
return new HashSet<>();
}
}
@Override
protected void updateCachedItem(Device device) {
Device cachedDevice = getById(device.getId());
cachedDevice.setName(device.getName());
cachedDevice.setGroupId(device.getGroupId());
cachedDevice.setCategory(device.getCategory());
cachedDevice.setContact(device.getContact());
cachedDevice.setPhone(device.getPhone());
cachedDevice.setModel(device.getModel());
cachedDevice.setDisabled(device.getDisabled());
cachedDevice.setAttributes(device.getAttributes());
cachedDevice.setUniqueId(device.getUniqueId());
}
@Override
protected void removeCachedItem(long deviceId) {
Device cachedDevice = getById(deviceId);
if (cachedDevice != null) {
super.removeCachedItem(deviceId);
}
positions.remove(deviceId);
}
public void updateDeviceStatus(Device device) throws StorageException {
getDataManager().updateDeviceStatus(device);
Device cachedDevice = getById(device.getId());
if (cachedDevice != null) {
cachedDevice.setStatus(device.getStatus());
}
}
private void refreshLastPositions() {
if (getDataManager() != null) {
try {
for (Position position : getDataManager().getLatestPositions()) {
positions.put(position.getDeviceId(), position);
}
} catch (StorageException error) {
LOGGER.warn("Load latest positions error", error);
}
}
}
public boolean isLatestPosition(Position position) {
Position lastPosition = getLastPosition(position.getDeviceId());
return lastPosition == null || position.getFixTime().compareTo(lastPosition.getFixTime()) >= 0;
}
public void updateLatestPosition(Position position) throws StorageException {
if (isLatestPosition(position)) {
getDataManager().updateLatestPosition(position);
Device device = getById(position.getDeviceId());
if (device != null) {
device.setPositionId(position.getId());
}
positions.put(position.getDeviceId(), position);
connectionManager.updatePosition(position);
}
}
@Override
public Position getLastPosition(long deviceId) {
return positions.get(deviceId);
}
public Collection<Position> getInitialState(long userId) {
List<Position> result = new LinkedList<>();
if (Context.getPermissionsManager() != null) {
for (long deviceId : Context.getPermissionsManager().getUserAdmin(userId)
? getAllUserItems(userId) : getUserItems(userId)) {
if (positions.containsKey(deviceId)) {
result.add(positions.get(deviceId));
}
}
}
return result;
}
public DeviceState getDeviceState(long deviceId) {
DeviceState deviceState = deviceStates.get(deviceId);
if (deviceState == null) {
deviceState = new DeviceState();
deviceStates.put(deviceId, deviceState);
}
return deviceState;
}
public void setDeviceState(long deviceId, DeviceState deviceState) {
deviceStates.put(deviceId, deviceState);
}
}
|
