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
|
/*
* Copyright 2017 - 2018 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 org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.util.regex.Pattern;
public class Ivt401ProtocolDecoder extends BaseProtocolDecoder {
public Ivt401ProtocolDecoder(Ivt401Protocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.text("(")
.expression("TL[ABLN],") // header
.number("(d+),") // imei
.number("(dd)(dd)(dd),") // date (ddmmyy)
.number("(dd)(dd)(dd),") // time (hhmmss)
.number("([-+]d+.d+),") // latitude
.number("([-+]d+.d+),") // longitude
.number("(d+),") // speed
.number("(d+),") // course
.number("(-?d+.?d*),") // altitude
.number("d+,") // satellites or battery status
.number("(d),") // gps status
.number("(d+),") // rssi
.number("(d+),") // input
.number("(d+),") // output
.number("(d+.d+),") // adc
.number("(d+.d+),") // power
.number("(d+.d+),") // battery
.number("(-?d+.?d*),") // pcb temp
.expression("([^,]+),") // temp
.number("(d+),") // movement
.number("(d+.d+),") // acceleration
.number("(-?d+),") // tilt
.number("(d+),") // trip
.number("(d+),") // odometer
.any()
.compile();
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
Parser parser = new Parser(PATTERN, (String) msg);
if (!parser.matches()) {
return null;
}
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
position.setCourse(parser.nextInt());
position.setAltitude(parser.nextDouble());
position.setValid(parser.nextInt() > 0);
position.set(Position.KEY_RSSI, parser.nextInt());
String input = parser.next();
for (int i = 0; i < input.length(); i++) {
int value = Character.getNumericValue(input.charAt(i));
if (value < 2) {
position.set(Position.PREFIX_IN + (i + 1), value > 0);
}
}
String output = parser.next();
for (int i = 0; i < output.length(); i++) {
position.set(Position.PREFIX_OUT + (i + 1), Character.getNumericValue(output.charAt(i)) > 0);
}
position.set(Position.PREFIX_ADC + 1, parser.nextDouble());
position.set(Position.KEY_POWER, parser.nextDouble());
position.set(Position.KEY_BATTERY, parser.nextDouble());
position.set(Position.KEY_DEVICE_TEMP, parser.nextDouble());
String temp = parser.next();
if (temp.startsWith("M")) {
int index = 1;
int startIndex = 1;
int endIndex;
while (startIndex < temp.length()) {
endIndex = temp.indexOf('-', startIndex + 1);
if (endIndex < 0) {
endIndex = temp.indexOf('+', startIndex + 1);
}
if (endIndex < 0) {
endIndex = temp.length();
}
if (endIndex > 0) {
double value = Double.parseDouble(temp.substring(startIndex, endIndex));
position.set(Position.PREFIX_TEMP + index++, value);
}
startIndex = endIndex;
}
} else {
position.set(Position.PREFIX_TEMP + 1, Double.parseDouble(temp));
}
position.set(Position.KEY_MOTION, parser.nextInt() > 0);
position.set(Position.KEY_ACCELERATION, parser.nextDouble());
parser.nextInt(); // tilt
parser.nextInt(); // trip state
position.set(Position.KEY_ODOMETER, parser.nextLong());
return position;
}
}
|
