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authorAnton Tananaev <anton.tananaev@gmail.com>2018-04-09 16:21:40 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2018-04-09 16:21:40 +1200
commit50009502e2a47bafafede983656f40f99745665a (patch)
tree6ce3f4fd780306db9b5ca9706d06042cd7fd3886 /src/org/traccar/protocol
parent23c3c2da240e5c44c3d5a04e0714f6f02fa9777e (diff)
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Improve GPS103 low message decoding
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/Gps103ProtocolDecoder.java233
1 files changed, 117 insertions, 116 deletions
diff --git a/src/org/traccar/protocol/Gps103ProtocolDecoder.java b/src/org/traccar/protocol/Gps103ProtocolDecoder.java
index 85b4dcada..f32d22c00 100644
--- a/src/org/traccar/protocol/Gps103ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gps103ProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2012 - 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 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.
@@ -26,6 +26,7 @@ import org.traccar.model.Network;
import org.traccar.model.Position;
import java.net.SocketAddress;
+import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Gps103ProtocolDecoder extends BaseProtocolDecoder {
@@ -38,10 +39,19 @@ public class Gps103ProtocolDecoder extends BaseProtocolDecoder {
.text("imei:")
.number("(d+),") // imei
.expression("([^,]+),") // alarm
+ .groupBegin()
.number("(dd)/?(dd)/?(dd) ?") // local date (yymmdd)
.number("(dd):?(dd)(?:dd)?,") // local time (hhmmss)
+ .or()
+ .number("d*,")
+ .groupEnd()
.expression("([^,]+)?,") // rfid
- .expression("[FL],") // full / low
+ .groupBegin()
+ .text("L,,,")
+ .number("(x+),,") // lac
+ .number("(x+),,,") // cid
+ .or()
+ .text("F,")
.groupBegin()
.number("(dd)(dd)(dd).d+") // time utc (hhmmss)
.or()
@@ -63,24 +73,10 @@ public class Gps103ProtocolDecoder extends BaseProtocolDecoder {
.expression("([^,;]+)?,?")
.expression("([^,;]+)?,?")
.expression("([^,;]+)?,?")
+ .groupEnd()
.any()
.compile();
- private static final Pattern PATTERN_NETWORK = new PatternBuilder()
- .text("imei:")
- .number("(d+),") // imei
- .expression("[^,]+,") // alarm
- .number("d*,,")
- .text("L,,,")
- .number("(x+),,") // lac
- .number("(x+),,,") // cid
- .any()
- .compile();
-
- private static final Pattern PATTERN_HANDSHAKE = new PatternBuilder()
- .number("##,imei:(d+),A")
- .compile();
-
private static final Pattern PATTERN_OBD = new PatternBuilder()
.text("imei:")
.number("(d+),") // imei
@@ -143,85 +139,9 @@ public class Gps103ProtocolDecoder extends BaseProtocolDecoder {
}
}
- @Override
- protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
-
- String sentence = (String) msg;
-
- // Send response #1
- if (sentence.contains("##")) {
- if (channel != null) {
- channel.write("LOAD", remoteAddress);
- Parser handshakeParser = new Parser(PATTERN_HANDSHAKE, sentence);
- if (handshakeParser.matches()) {
- getDeviceSession(channel, remoteAddress, handshakeParser.next());
- }
- }
- return null;
- }
-
- // Send response #2
- if (!sentence.isEmpty() && Character.isDigit(sentence.charAt(0))) {
- if (channel != null) {
- channel.write("ON", remoteAddress);
- }
- int start = sentence.indexOf("imei:");
- if (start >= 0) {
- sentence = sentence.substring(start);
- } else {
- return null;
- }
- }
-
- Position position = new Position(getProtocolName());
-
- Parser parser = new Parser(PATTERN_NETWORK, sentence);
- if (parser.matches()) {
-
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
- if (deviceSession == null) {
- return null;
- }
- position.setDeviceId(deviceSession.getDeviceId());
-
- getLastLocation(position, null);
-
- position.setNetwork(new Network(
- CellTower.fromLacCid(parser.nextHexInt(0), parser.nextHexInt(0))));
-
- return position;
-
- }
-
- parser = new Parser(PATTERN_OBD, sentence);
- if (parser.matches()) {
-
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
- if (deviceSession == null) {
- return null;
- }
- position.setDeviceId(deviceSession.getDeviceId());
-
- getLastLocation(position, parser.nextDateTime());
-
- position.set(Position.KEY_ODOMETER, parser.nextInt(0));
- parser.nextDouble(0); // instant fuel consumption
- position.set(Position.KEY_FUEL_CONSUMPTION, parser.nextDouble(0));
- position.set(Position.KEY_HOURS, parser.nextInt());
- position.set(Position.KEY_OBD_SPEED, parser.nextInt(0));
- position.set(Position.KEY_ENGINE_LOAD, parser.next());
- position.set(Position.KEY_COOLANT_TEMP, parser.nextInt());
- position.set(Position.KEY_THROTTLE, parser.next());
- position.set(Position.KEY_RPM, parser.nextInt(0));
- position.set(Position.KEY_BATTERY, parser.nextDouble(0));
- position.set(Position.KEY_DTCS, parser.next().replace(',', ' ').trim());
-
- return position;
+ private Position decodeRegular(Channel channel, SocketAddress remoteAddress, String sentence) {
- }
-
- parser = new Parser(PATTERN, sentence);
+ Parser parser = new Parser(PATTERN, sentence);
if (!parser.matches()) {
return null;
}
@@ -231,6 +151,8 @@ public class Gps103ProtocolDecoder extends BaseProtocolDecoder {
if (deviceSession == null) {
return null;
}
+
+ Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
String alarm = parser.next();
@@ -262,36 +184,115 @@ public class Gps103ProtocolDecoder extends BaseProtocolDecoder {
position.set(Position.KEY_DRIVER_UNIQUE_ID, rfid);
}
- String utcHours = parser.next();
- String utcMinutes = parser.next();
+ if (parser.hasNext(2)) {
- dateBuilder.setTime(localHours, localMinutes, parser.nextInt(0));
+ getLastLocation(position, null);
+
+ position.setNetwork(new Network(CellTower.fromLacCid(parser.nextHexInt(0), parser.nextHexInt(0))));
+
+ } else {
+
+ String utcHours = parser.next();
+ String utcMinutes = parser.next();
- // Timezone calculation
- if (utcHours != null && utcMinutes != null) {
- int deltaMinutes = (localHours - Integer.parseInt(utcHours)) * 60;
- deltaMinutes += localMinutes - Integer.parseInt(utcMinutes);
- if (deltaMinutes <= -12 * 60) {
- deltaMinutes += 24 * 60;
- } else if (deltaMinutes > 12 * 60) {
- deltaMinutes -= 24 * 60;
+ dateBuilder.setTime(localHours, localMinutes, parser.nextInt(0));
+
+ // Timezone calculation
+ if (utcHours != null && utcMinutes != null) {
+ int deltaMinutes = (localHours - Integer.parseInt(utcHours)) * 60;
+ deltaMinutes += localMinutes - Integer.parseInt(utcMinutes);
+ if (deltaMinutes <= -12 * 60) {
+ deltaMinutes += 24 * 60;
+ } else if (deltaMinutes > 12 * 60) {
+ deltaMinutes -= 24 * 60;
+ }
+ dateBuilder.addMinute(-deltaMinutes);
+ }
+ position.setTime(dateBuilder.getDate());
+
+ position.setValid(parser.next().equals("A"));
+ position.setFixTime(position.getDeviceTime());
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_HEM));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_HEM));
+ position.setSpeed(parser.nextDouble(0));
+ position.setCourse(parser.nextDouble(0));
+ position.setAltitude(parser.nextDouble(0));
+
+ for (int i = 1; i <= 5; i++) {
+ position.set(Position.PREFIX_IO + i, parser.next());
}
- dateBuilder.addMinute(-deltaMinutes);
+
}
- position.setTime(dateBuilder.getDate());
- position.setValid(parser.next().equals("A"));
- position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_HEM));
- position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_HEM));
- position.setSpeed(parser.nextDouble(0));
- position.setCourse(parser.nextDouble(0));
- position.setAltitude(parser.nextDouble(0));
+ return position;
+ }
+
+ private Position decodeObd(Channel channel, SocketAddress remoteAddress, String sentence) {
- for (int i = 1; i <= 5; i++) {
- position.set(Position.PREFIX_IO + i, parser.next());
+ Parser parser = new Parser(PATTERN_OBD, sentence);
+ 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());
+
+ getLastLocation(position, parser.nextDateTime());
+
+ position.set(Position.KEY_ODOMETER, parser.nextInt(0));
+ parser.nextDouble(0); // instant fuel consumption
+ position.set(Position.KEY_FUEL_CONSUMPTION, parser.nextDouble(0));
+ position.set(Position.KEY_HOURS, parser.nextInt());
+ position.set(Position.KEY_OBD_SPEED, parser.nextInt(0));
+ position.set(Position.KEY_ENGINE_LOAD, parser.next());
+ position.set(Position.KEY_COOLANT_TEMP, parser.nextInt());
+ position.set(Position.KEY_THROTTLE, parser.next());
+ position.set(Position.KEY_RPM, parser.nextInt(0));
+ position.set(Position.KEY_BATTERY, parser.nextDouble(0));
+ position.set(Position.KEY_DTCS, parser.next().replace(',', ' ').trim());
+
return position;
}
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ String sentence = (String) msg;
+
+ if (sentence.contains("##")) {
+ if (channel != null) {
+ channel.write("LOAD", remoteAddress);
+ Matcher matcher = Pattern.compile("##,imei:(\\d+),A").matcher(sentence);
+ if (matcher.matches()) {
+ getDeviceSession(channel, remoteAddress, matcher.group(1));
+ }
+ }
+ return null;
+ }
+
+ if (!sentence.isEmpty() && Character.isDigit(sentence.charAt(0))) {
+ if (channel != null) {
+ channel.write("ON", remoteAddress);
+ }
+ int start = sentence.indexOf("imei:");
+ if (start >= 0) {
+ sentence = sentence.substring(start);
+ } else {
+ return null;
+ }
+ }
+
+ if (sentence.contains("OBD")) {
+ return decodeObd(channel, remoteAddress, sentence);
+ } else {
+ return decodeRegular(channel, remoteAddress, sentence);
+ }
+ }
+
}