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
|
/*
* Copyright 2012 - 2015 Anton Tananaev (anton.tananaev@gmail.com)
*
* 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 java.net.SocketAddress;
import java.util.Calendar;
import java.util.TimeZone;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.Context;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Event;
import org.traccar.model.Position;
public class Gl200ProtocolDecoder extends BaseProtocolDecoder {
public Gl200ProtocolDecoder(Gl200Protocol protocol) {
super(protocol);
}
private static final Pattern PATTERN_HEARTBEAT = Pattern.compile(
"\\+ACK:GTHBD," +
"([0-9A-Z]{2}\\p{XDigit}{4})," +
".*," +
"(\\p{XDigit}{4})\\$?");
private static final Pattern PATTERN = Pattern.compile(
"(?:(?:\\+(?:RESP|BUFF):)|" +
"(?:\\x00?\\x04,\\p{XDigit}{4},[01],))" +
"GT...," +
"(?:[0-9A-Z]{2}\\p{XDigit}{4})?," + // Protocol version
"([^,]+)," + // IMEI
"(?:[0-9A-Z]{17}," + // VIN
"[^,]{0,20}," + // Device name
"[01]," + // Report type
"\\p{XDigit}{1,8}," + // Report mask
"[0-9A-Z]{17}," + // VIN
"[01]," + // ODB connect
"\\d{1,5}," + // ODB voltage
"\\p{XDigit}{8}," + // Support PIDs
"(\\d{1,5})," + // Engine RPM
"(\\d{1,3})," + // Speed
"(-?\\d{1,3})," + // Coolant temp
"(\\d+\\.?\\d*|Inf|NaN)?," + // Fuel consumption
"(\\d{1,5})," + // DTCs cleared distance
"\\d{1,5}," +
"([01])," + // ODB connect
"(\\d{1,3})," + // Number of DTCs
"(\\p{XDigit}*)," + // DTCs
"(\\d{1,3})," + // Throttle
"\\d{1,3}," + // Engine load
"(\\d{1,3})?," + // Fuel level
"(\\d+)|.*)," + // Odometer
"(\\d*)," + // GPS accuracy
"(\\d+.\\d)?," + // Speed
"(\\d+)?," + // Course
"(-?\\d+\\.\\d)?," + // Altitude
"(-?\\d+\\.\\d+)," + // Longitude
"(-?\\d+\\.\\d+)," + // Latitude
"(\\d{4})(\\d{2})(\\d{2})" + // Date (YYYYMMDD)
"(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS)
"(\\d{4})?," + // MCC
"(\\d{4})?," + // MNC
"(\\p{XDigit}{4}|\\p{XDigit}{8})?," + // LAC
"(\\p{XDigit}{4})?," + // Cell
"(?:(\\d+\\.\\d)?," + // Odometer
"(\\d{1,3})?,)?" + // Battery
".*," +
"(\\p{XDigit}{4})\\$?");
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg)
throws Exception {
String sentence = (String) msg;
// Handle heartbeat
Matcher parser = PATTERN_HEARTBEAT.matcher(sentence);
if (parser.matches()) {
if (channel != null) {
channel.write("+SACK:GTHBD," + parser.group(1) + "," + parser.group(2) + "$", remoteAddress);
}
return null;
}
// Parse message
parser = PATTERN.matcher(sentence);
if (!parser.matches()) {
return null;
}
// Create new position
Position position = new Position();
position.setProtocol(getProtocolName());
Integer index = 1;
// Get device by IMEI
if (!identify(parser.group(index++), channel, remoteAddress)) {
return null;
}
position.setDeviceId(getDeviceId());
// OBD
position.set(Event.KEY_RPM, parser.group(index++));
position.set(Event.KEY_OBD_SPEED, parser.group(index++));
position.set(Event.PREFIX_TEMP + 1, parser.group(index++));
position.set("fuel-consumption", parser.group(index++));
position.set("dtcs-cleared-distance", parser.group(index++));
position.set("odb-connect", parser.group(index++));
position.set("dtcs-number", parser.group(index++));
position.set("dtcs-codes", parser.group(index++));
position.set("throttle-position", parser.group(index++));
position.set(Event.KEY_FUEL, parser.group(index++));
position.set(Event.KEY_OBD_ODOMETER, parser.group(index++));
// Validity
position.setValid(Integer.parseInt(parser.group(index++)) < 20);
// Speed
String speed = parser.group(index++);
if (speed != null) {
position.setSpeed(UnitsConverter.knotsFromKph(Double.parseDouble(speed)));
}
// Course
String course = parser.group(index++);
if (speed != null) {
position.setCourse(Double.parseDouble(course));
}
// Altitude
String altitude = parser.group(index++);
if (altitude != null) {
position.setAltitude(Double.parseDouble(altitude));
}
// Coordinates
position.setLongitude(Double.parseDouble(parser.group(index++)));
position.setLatitude(Double.parseDouble(parser.group(index++)));
// Date
Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
time.clear();
time.set(Calendar.YEAR, Integer.parseInt(parser.group(index++)));
time.set(Calendar.MONTH, Integer.parseInt(parser.group(index++)) - 1);
time.set(Calendar.DAY_OF_MONTH, Integer.parseInt(parser.group(index++)));
// Time
time.set(Calendar.HOUR_OF_DAY, Integer.parseInt(parser.group(index++)));
time.set(Calendar.MINUTE, Integer.parseInt(parser.group(index++)));
time.set(Calendar.SECOND, Integer.parseInt(parser.group(index++)));
position.setTime(time.getTime());
// Cell information
position.set(Event.KEY_MCC, parser.group(index++));
position.set(Event.KEY_MNC, parser.group(index++));
position.set(Event.KEY_LAC, parser.group(index++));
position.set(Event.KEY_CELL, parser.group(index++));
// Other
String odometer = parser.group(index++);
if (odometer != null && Double.parseDouble(odometer) != 0) {
position.set(Event.KEY_ODOMETER, odometer);
}
position.set(Event.KEY_BATTERY, parser.group(index++));
if (Context.getConfig().getBoolean(getProtocolName() + ".ack") && channel != null) {
channel.write("+SACK:" + parser.group(index++) + "$", remoteAddress);
}
return position;
}
}
|
