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
|
/*
* Copyright 2015 - 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 io.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.NetworkMessage;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.CellTower;
import org.traccar.model.Network;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Pattern;
public class TrvProtocolDecoder extends BaseProtocolDecoder {
public TrvProtocolDecoder(TrvProtocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.expression("[A-Z]{2,3}")
.number("APdd")
.number("(dd)(dd)(dd)") // date (yymmdd)
.expression("([AV])") // validity
.number("(dd)(dd.d+)") // latitude
.expression("([NS])")
.number("(ddd)(dd.d+)") // longitude
.expression("([EW])")
.number("(ddd.d)") // speed
.number("(dd)(dd)(dd)") // time (hhmmss)
.number("([d.]{6})") // course
.number("(ddd)") // gsm
.number("(ddd)") // satellites
.number("(ddd)") // battery
.number("(d)") // acc
.number("(dd)") // arm status
.number("(dd),") // working mode
.number("(d+),") // mcc
.number("(d+),") // mnc
.number("(d+),") // lac
.number("(d+)") // cell
.any()
.compile();
private static final Pattern PATTERN_HEATRBEAT = new PatternBuilder()
.expression("[A-Z]{2,3}")
.text("CP01,")
.number("(ddd)") // gsm
.number("(ddd)") // gps
.number("(ddd)") // battery
.number("(d)") // acc
.number("(dd)") // arm status
.number("(dd)") // working mode
.groupBegin()
.number("(ddd)") // interval
.number("d") // vibration alarm
.number("ddd") // vibration sensitivity
.number("d") // automatic arm
.number("dddd") // automatic arm time
.number("(d)") // blocked
.number("(d)") // power status
.number("(d)") // movement status
.groupEnd("?")
.any()
.compile();
private Boolean decodeOptionalValue(Parser parser, int activeValue) {
int value = parser.nextInt();
if (value != 0) {
return value == activeValue;
}
return null;
}
private void decodeCommon(Position position, Parser parser) {
position.set(Position.KEY_RSSI, parser.nextInt());
position.set(Position.KEY_SATELLITES, parser.nextInt());
position.set(Position.KEY_BATTERY, parser.nextInt());
position.set(Position.KEY_IGNITION, decodeOptionalValue(parser, 1));
position.set(Position.KEY_ARMED, decodeOptionalValue(parser, 1));
int mode = parser.nextInt();
if (mode != 0) {
position.set("mode", mode);
}
}
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String sentence = (String) msg;
String id = sentence.startsWith("TRV") ? sentence.substring(0, 3) : sentence.substring(0, 2);
String type = sentence.substring(id.length(), id.length() + 4);
if (channel != null) {
String responseHeader = id + (char) (type.charAt(0) + 1) + type.substring(1);
if (type.equals("AP00") && id.equals("IW")) {
String time = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
channel.writeAndFlush(new NetworkMessage(responseHeader + "," + time + ",0#", remoteAddress));
} else if (type.equals("AP14")) {
channel.writeAndFlush(new NetworkMessage(responseHeader + ",0.000,0.000#", remoteAddress));
} else {
channel.writeAndFlush(new NetworkMessage(responseHeader + "#", remoteAddress));
}
}
if (type.equals("AP00")) {
getDeviceSession(channel, remoteAddress, sentence.substring(id.length() + type.length()));
return null;
}
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
if (deviceSession == null) {
return null;
}
if (type.equals("CP01")) {
Parser parser = new Parser(PATTERN_HEATRBEAT, sentence);
if (!parser.matches()) {
return null;
}
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
getLastLocation(position, null);
decodeCommon(position, parser);
if (parser.hasNext(3)) {
position.set(Position.KEY_BLOCKED, decodeOptionalValue(parser, 2));
position.set(Position.KEY_CHARGE, decodeOptionalValue(parser, 1));
position.set(Position.KEY_MOTION, decodeOptionalValue(parser, 1));
}
return position;
} else if (type.equals("AP01") || type.equals("AP10")) {
Parser parser = new Parser(PATTERN, sentence);
if (!parser.matches()) {
return null;
}
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
DateBuilder dateBuilder = new DateBuilder()
.setDate(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setValid(parser.next().equals("A"));
position.setLatitude(parser.nextCoordinate());
position.setLongitude(parser.nextCoordinate());
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
dateBuilder.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.setCourse(parser.nextDouble());
decodeCommon(position, parser);
position.setNetwork(new Network(CellTower.from(
parser.nextInt(), parser.nextInt(), parser.nextInt(), parser.nextInt())));
return position;
}
return null;
}
}
|
