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
|
package org.traccar.protocol;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.Context;
import org.traccar.DeviceSession;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.util.TimeZone;
import java.util.regex.Pattern;
public class TkmateProtocolDecoder extends BaseProtocolDecoder {
private final TimeZone timeZone = TimeZone.getTimeZone("UTC");
public TkmateProtocolDecoder(TkmateProtocol protocol) {
super(protocol);
if (Context.getConfig().hasKey(getProtocolName() + ".timezone")) {
timeZone.setRawOffset(Context.getConfig().getInteger(getProtocolName() + ".timezone") * 1000);
}
}
private static final Pattern PATTERN_SRT = new PatternBuilder()
.text("^TMSRT|")
.expression("([^ ]+)|") // uid
.number("(d+.d+)|") // latitude
.number("(d+.d+)|") // longitude
.number("(dd)(dd)(dd)|") // time
.number("(dd)(dd)(dd)|") // date
.number("(d+.d+)|") // software ver
.number("(d+.d+)|") // Hardware ver
.any()
.compile();
private static final Pattern PATTERN_PER = new PatternBuilder()
.text("^TMPER|")
.expression("([^ ]+)|") // uid
.number("(d+)|") // seq
.number("(d+.d+)|") // latitude
.number("(d+.d+)|") // longitude
.number("(dd)(dd)(dd)|") // time
.number("(dd)(dd)(dd)|") // date
.number("(d+.d+)|") // speed
.number("(d+.d+)|") // heading
.number("(d+)|") // ignition
.number("(d+)|") // dop1
.number("(d+)|") // dop2
.number("(d+.d+)|") // analog
.number("(d+.d+)|") // internal battery
.number("(d+.d+)|") // vehicle battery
.number("(d+.d+)|") // gps odometer
.number("(d+.d+)|") // pulse odometer
.number("(d+)|") // main power status
.number("(d+)|") // gps data validity
.number("(d+)|") // live or cache
.any()
.compile();
private static final Pattern PATTERN_ALT = new PatternBuilder()
.text("^TMALT|")
.expression("([^ ]+)|") // uid
.number("(d+)|") // seq
.number("(d+)|") // Alert type
.number("(d+)|") // Alert status
.number("(d+.d+)|") // latitude
.number("(d+.d+)|") // longitude
.number("(dd)(dd)(dd)|") // time
.number("(dd)(dd)(dd)|") // date
.number("(d+.d+)|") // speed
.number("(d+.d+)|") // heading
.any()
.compile();
private String decodeAlarm(int value) {
switch (value) {
case 1:
return Position.ALARM_SOS;
case 3:
return Position.ALARM_GEOFENCE;
case 4:
return Position.ALARM_POWER_CUT;
default:
return null;
}
}
private Object decodeSrt(Channel channel, SocketAddress remoteAddress, String sentence) {
Parser parser = new Parser(PATTERN_SRT, sentence);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
DateBuilder dateBuilder = new DateBuilder(timeZone)
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.set(Position.KEY_VERSION, parser.next());
parser.next(); //hardware version
return position;
}
private Object decodeAlt(Channel channel, SocketAddress remoteAddress, String sentence) {
Parser parser = new Parser(PATTERN_ALT, sentence);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
parser.next(); // seq
int alarm = parser.nextInt();
position.set(Position.KEY_ALARM, decodeAlarm(alarm));
parser.next(); //alert status or data
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
DateBuilder dateBuilder = new DateBuilder(timeZone)
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.setSpeed(parser.nextDouble());
position.setCourse(parser.nextDouble());
return position;
}
protected Object decodePer(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
Parser parser = new Parser(PATTERN_PER, (String) msg);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
parser.next(); //seq
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
DateBuilder dateBuilder = new DateBuilder(timeZone)
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.setSpeed(parser.nextDouble());
position.setCourse(parser.nextDouble());
position.set(Position.KEY_IGNITION, parser.nextInt() == 1);
parser.next(); //dop1
parser.next(); //dop2
parser.next(); //analog input
position.set(Position.KEY_BATTERY, parser.nextDouble()); //device battery voltage
parser.next(); //vehicle internal voltage
position.set(Position.KEY_ODOMETER, parser.nextDouble()); //GPS odometer
parser.next(); //pulse odometer
position.set(Position.KEY_STATUS, parser.nextInt());
position.setValid(parser.nextInt() != 0);
position.set(Position.KEY_ARCHIVE, parser.nextInt() == 1);
return position;
}
@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String sentence = (String) msg;
int typeIndex = sentence.indexOf("^TM");
if (typeIndex < 0) {
return null;
}
Object result;
String type = sentence.substring(typeIndex + 3, typeIndex + 6);
switch (type) {
case "ALT":
result = decodeAlt(channel, remoteAddress, sentence);
break;
case "SRT":
result = decodeSrt(channel, remoteAddress, sentence);
break;
case "PER":
result = decodePer(channel, remoteAddress, sentence);
break;
default:
return null;
}
return result;
}
}
|
