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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
|
/*
* Copyright 2015 - 2021 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.protocol;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufUtil;
import io.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.Protocol;
import org.traccar.helper.BcdUtil;
import org.traccar.helper.BitUtil;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.CellTower;
import org.traccar.model.Network;
import org.traccar.model.Position;
import java.net.SocketAddress;
public class TzoneProtocolDecoder extends BaseProtocolDecoder {
public TzoneProtocolDecoder(Protocol protocol) {
super(protocol);
}
private String decodeAlarm(Short value) {
switch (value) {
case 0x01:
return Position.ALARM_SOS;
case 0x10:
return Position.ALARM_LOW_BATTERY;
case 0x11:
return Position.ALARM_OVERSPEED;
case 0x14:
return Position.ALARM_BRAKING;
case 0x15:
return Position.ALARM_ACCELERATION;
case 0x30:
return Position.ALARM_PARKING;
case 0x42:
return Position.ALARM_GEOFENCE_EXIT;
case 0x43:
return Position.ALARM_GEOFENCE_ENTER;
default:
return null;
}
}
private boolean decodeGps(Position position, ByteBuf buf, int hardware) {
int blockLength = buf.readUnsignedShort();
int blockEnd = buf.readerIndex() + blockLength;
if (blockLength < 22) {
return false;
}
if (hardware == 0x413) {
buf.readUnsignedByte(); // status
} else {
position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
}
if (hardware == 0x413) {
position.setFixTime(new DateBuilder()
.setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
.setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()).getDate());
}
double lat;
double lon;
if (hardware == 0x10A || hardware == 0x10B) {
lat = buf.readUnsignedInt() / 600000.0;
lon = buf.readUnsignedInt() / 600000.0;
} else {
lat = buf.readUnsignedInt() / 100000.0 / 60.0;
lon = buf.readUnsignedInt() / 100000.0 / 60.0;
}
if (hardware == 0x413) {
position.set(Position.KEY_HDOP, buf.readUnsignedShort() * 0.1);
position.setAltitude(buf.readUnsignedShort());
position.setCourse(buf.readUnsignedShort());
position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort() * 0.1));
position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
} else {
position.setFixTime(new DateBuilder()
.setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
.setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()).getDate());
position.setSpeed(buf.readUnsignedShort() * 0.01);
position.set(Position.KEY_ODOMETER, buf.readUnsignedMedium());
int flags = buf.readUnsignedShort();
position.setCourse(BitUtil.to(flags, 9));
if (!BitUtil.check(flags, 10)) {
lat = -lat;
}
position.setLatitude(lat);
if (BitUtil.check(flags, 9)) {
lon = -lon;
}
position.setLongitude(lon);
position.setValid(BitUtil.check(flags, 11));
}
buf.readerIndex(blockEnd);
return true;
}
private void decodeCards(Position position, ByteBuf buf) {
int index = 1;
for (int i = 0; i < 4; i++) {
int blockLength = buf.readUnsignedShort();
int blockEnd = buf.readerIndex() + blockLength;
if (blockLength > 0) {
int count = buf.readUnsignedByte();
for (int j = 0; j < count; j++) {
int length = buf.readUnsignedByte();
boolean odd = length % 2 != 0;
if (odd) {
length += 1;
}
String num = ByteBufUtil.hexDump(buf.readSlice(length / 2));
if (odd) {
num = num.substring(1);
}
position.set("card" + index, num);
}
}
buf.readerIndex(blockEnd);
}
}
private void decodePassengers(Position position, ByteBuf buf) {
int blockLength = buf.readUnsignedShort();
int blockEnd = buf.readerIndex() + blockLength;
if (blockLength > 0) {
position.set("passengersOn", buf.readUnsignedMedium());
position.set("passengersOff", buf.readUnsignedMedium());
}
buf.readerIndex(blockEnd);
}
private void decodeTags(Position position, ByteBuf buf) {
int blockLength = buf.readUnsignedShort();
int blockEnd = buf.readerIndex() + blockLength;
if (blockLength > 0) {
buf.readUnsignedByte(); // tag type
int count = buf.readUnsignedByte();
int tagLength = buf.readUnsignedByte();
for (int i = 1; i <= count; i++) {
int tagEnd = buf.readerIndex() + tagLength;
buf.readUnsignedByte(); // status
buf.readUnsignedShortLE(); // battery voltage
position.set(Position.PREFIX_TEMP + i, (buf.readShortLE() & 0x3fff) * 0.1);
buf.readUnsignedByte(); // humidity
buf.readUnsignedByte(); // rssi
buf.readerIndex(tagEnd);
}
}
buf.readerIndex(blockEnd);
}
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
ByteBuf buf = (ByteBuf) msg;
buf.skipBytes(2); // header
buf.readUnsignedShort(); // length
if (buf.readUnsignedShort() != 0x2424) {
return null;
}
int hardware = buf.readUnsignedShort();
long firmware = buf.readUnsignedInt();
String imei = ByteBufUtil.hexDump(buf.readSlice(8)).substring(1);
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
if (deviceSession == null) {
return null;
}
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
position.set(Position.KEY_VERSION_HW, hardware);
position.set(Position.KEY_VERSION_FW, firmware);
position.setDeviceTime(new DateBuilder()
.setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
.setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()).getDate());
// GPS info
if (hardware == 0x406 || !decodeGps(position, buf, hardware)) {
getLastLocation(position, position.getDeviceTime());
}
// LBS info
int blockLength = buf.readUnsignedShort();
int blockEnd = buf.readerIndex() + blockLength;
if (blockLength > 0) {
if (hardware == 0x10A || hardware == 0x10B || hardware == 0x406) {
position.setNetwork(new Network(
CellTower.fromLacCid(buf.readUnsignedShort(), buf.readUnsignedShort())));
} else if (hardware == 0x407) {
Network network = new Network();
int count = buf.readUnsignedByte();
for (int i = 0; i < count; i++) {
buf.readUnsignedByte(); // signal information
int mcc = BcdUtil.readInteger(buf, 4);
int mnc = BcdUtil.readInteger(buf, 4) % 1000;
network.addCellTower(CellTower.from(
mcc, mnc, buf.readUnsignedShort(), buf.readUnsignedInt()));
}
position.setNetwork(network);
}
}
buf.readerIndex(blockEnd);
// Status info
blockLength = buf.readUnsignedShort();
blockEnd = buf.readerIndex() + blockLength;
if (hardware == 0x407 || blockLength >= 13) {
position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
position.set("terminalInfo", buf.readUnsignedByte());
if (hardware != 0x407) {
int status = buf.readUnsignedByte();
position.set(Position.PREFIX_OUT + 1, BitUtil.check(status, 0));
position.set(Position.PREFIX_OUT + 2, BitUtil.check(status, 1));
status = buf.readUnsignedByte();
position.set(Position.PREFIX_IN + 1, BitUtil.check(status, 4));
if (BitUtil.check(status, 0)) {
position.set(Position.KEY_ALARM, Position.ALARM_SOS);
}
}
position.set(Position.KEY_RSSI, buf.readUnsignedByte());
position.set("gsmStatus", buf.readUnsignedByte());
position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.01);
if (hardware != 0x407) {
position.set(Position.KEY_POWER, buf.readUnsignedShort());
position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort());
position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort());
} else {
int temperature = buf.readUnsignedShort();
if (!BitUtil.check(temperature, 15)) {
double value = BitUtil.to(temperature, 14) * 0.1;
position.set(Position.PREFIX_TEMP + 1, BitUtil.check(temperature, 14) ? -value : value);
}
int humidity = buf.readUnsignedShort();
if (!BitUtil.check(humidity, 15)) {
position.set("humidity", BitUtil.to(humidity, 15) * 0.1);
}
position.set("lightSensor", buf.readUnsignedByte() == 0);
}
}
if (blockLength >= 15) {
position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedShort());
}
buf.readerIndex(blockEnd);
if (hardware == 0x10B) {
decodeCards(position, buf);
buf.skipBytes(buf.readUnsignedShort()); // temperature
buf.skipBytes(buf.readUnsignedShort()); // lock
decodePassengers(position, buf);
}
if (hardware == 0x406) {
decodeTags(position, buf);
}
return position;
}
}
|
