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-rw-r--r--src/org/traccar/protocol/Jt600ProtocolDecoder.java141
1 files changed, 74 insertions, 67 deletions
diff --git a/src/org/traccar/protocol/Jt600ProtocolDecoder.java b/src/org/traccar/protocol/Jt600ProtocolDecoder.java
index 2bd02d3f1..3b68cd82a 100644
--- a/src/org/traccar/protocol/Jt600ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Jt600ProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2012 - 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 2017 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.
@@ -21,6 +21,7 @@ import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.helper.BcdUtil;
+import org.traccar.helper.BitUtil;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
@@ -31,6 +32,8 @@ import org.traccar.model.Position;
import java.net.SocketAddress;
import java.nio.charset.StandardCharsets;
+import java.util.LinkedList;
+import java.util.List;
import java.util.regex.Pattern;
public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
@@ -45,10 +48,9 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
return degrees + minutes / 60;
}
- private Position decodeBinary(ChannelBuffer buf, Channel channel, SocketAddress remoteAddress) {
+ private List<Position> decodeBinary(ChannelBuffer buf, Channel channel, SocketAddress remoteAddress) {
- Position position = new Position();
- position.setProtocol(getProtocolName());
+ List<Position> positions = new LinkedList<>();
buf.readByte(); // header
@@ -59,97 +61,102 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
if (deviceSession == null) {
return null;
}
- position.setDeviceId(deviceSession.getDeviceId());
if (longFormat) {
buf.readUnsignedByte(); // protocol
}
- int version = buf.readUnsignedByte() >> 4;
+ int version = BitUtil.from(buf.readUnsignedByte(), 4);
buf.readUnsignedShort(); // length
- DateBuilder dateBuilder = new DateBuilder()
- .setDay(BcdUtil.readInteger(buf, 2))
- .setMonth(BcdUtil.readInteger(buf, 2))
- .setYear(BcdUtil.readInteger(buf, 2))
- .setHour(BcdUtil.readInteger(buf, 2))
- .setMinute(BcdUtil.readInteger(buf, 2))
- .setSecond(BcdUtil.readInteger(buf, 2));
- position.setTime(dateBuilder.getDate());
-
- double latitude = convertCoordinate(BcdUtil.readInteger(buf, 8));
- double longitude = convertCoordinate(BcdUtil.readInteger(buf, 9));
-
- byte flags = buf.readByte();
- position.setValid((flags & 0x1) == 0x1);
- if ((flags & 0x2) == 0) {
- latitude = -latitude;
- }
- position.setLatitude(latitude);
- if ((flags & 0x4) == 0) {
- longitude = -longitude;
- }
- position.setLongitude(longitude);
+ while (buf.readableBytes() > 1) {
- position.setSpeed(BcdUtil.readInteger(buf, 2));
- position.setCourse(buf.readUnsignedByte() * 2.0);
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
- if (longFormat) {
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDateReverse(BcdUtil.readInteger(buf, 2), BcdUtil.readInteger(buf, 2), BcdUtil.readInteger(buf, 2))
+ .setTime(BcdUtil.readInteger(buf, 2), BcdUtil.readInteger(buf, 2), BcdUtil.readInteger(buf, 2));
+ position.setTime(dateBuilder.getDate());
- position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000);
- position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+ double latitude = convertCoordinate(BcdUtil.readInteger(buf, 8));
+ double longitude = convertCoordinate(BcdUtil.readInteger(buf, 9));
- buf.readUnsignedInt(); // vehicle id combined
+ byte flags = buf.readByte();
+ position.setValid((flags & 0x1) == 0x1);
+ if ((flags & 0x2) == 0) {
+ latitude = -latitude;
+ }
+ position.setLatitude(latitude);
+ if ((flags & 0x4) == 0) {
+ longitude = -longitude;
+ }
+ position.setLongitude(longitude);
- position.set(Position.KEY_STATUS, buf.readUnsignedShort());
+ position.setSpeed(BcdUtil.readInteger(buf, 2));
+ position.setCourse(buf.readUnsignedByte() * 2.0);
- int battery = buf.readUnsignedByte();
- if (battery == 0xff) {
- position.set(Position.KEY_CHARGE, true);
- } else {
- position.set(Position.KEY_BATTERY_LEVEL, battery);
- }
+ if (longFormat) {
+
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000);
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
- CellTower cellTower = CellTower.fromCidLac(buf.readUnsignedShort(), buf.readUnsignedShort());
- cellTower.setSignalStrength((int) buf.readUnsignedByte());
- position.setNetwork(new Network(cellTower));
+ buf.readUnsignedInt(); // vehicle id combined
- position.set(Position.KEY_INDEX, buf.readUnsignedByte());
+ position.set(Position.KEY_STATUS, buf.readUnsignedShort());
- } else if (version == 1) {
+ int battery = buf.readUnsignedByte();
+ if (battery == 0xff) {
+ position.set(Position.KEY_CHARGE, true);
+ } else {
+ position.set(Position.KEY_BATTERY_LEVEL, battery);
+ }
- position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
- position.set(Position.KEY_POWER, buf.readUnsignedByte());
+ CellTower cellTower = CellTower.fromCidLac(buf.readUnsignedShort(), buf.readUnsignedShort());
+ cellTower.setSignalStrength((int) buf.readUnsignedByte());
+ position.setNetwork(new Network(cellTower));
- buf.readByte(); // other flags and sensors
+ } else if (version == 1) {
- position.setAltitude(buf.readUnsignedShort());
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+ position.set(Position.KEY_POWER, buf.readUnsignedByte());
- int cid = buf.readUnsignedShort();
- int lac = buf.readUnsignedShort();
- int rssi = buf.readUnsignedByte();
+ buf.readByte(); // other flags and sensors
- if (cid != 0 && lac != 0) {
- CellTower cellTower = CellTower.fromCidLac(cid, lac);
- cellTower.setSignalStrength(rssi);
- position.setNetwork(new Network(cellTower));
- } else {
- position.set(Position.KEY_RSSI, rssi);
- }
+ position.setAltitude(buf.readUnsignedShort());
+
+ int cid = buf.readUnsignedShort();
+ int lac = buf.readUnsignedShort();
+ int rssi = buf.readUnsignedByte();
+
+ if (cid != 0 && lac != 0) {
+ CellTower cellTower = CellTower.fromCidLac(cid, lac);
+ cellTower.setSignalStrength(rssi);
+ position.setNetwork(new Network(cellTower));
+ } else {
+ position.set(Position.KEY_RSSI, rssi);
+ }
- } else if (version == 2) {
+ } else if (version == 2) {
- int fuel = buf.readUnsignedByte() << 8;
+ int fuel = buf.readUnsignedByte() << 8;
- position.set(Position.KEY_STATUS, buf.readUnsignedInt());
- position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000);
+ position.set(Position.KEY_STATUS, buf.readUnsignedInt());
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000);
- fuel += buf.readUnsignedByte();
- position.set(Position.KEY_FUEL_LEVEL, fuel);
+ fuel += buf.readUnsignedByte();
+ position.set(Position.KEY_FUEL_LEVEL, fuel);
+
+ }
+
+ positions.add(position);
}
- return position;
+ buf.readUnsignedByte(); // index
+
+ return positions;
}
private static final Pattern PATTERN_W01 = new PatternBuilder()
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 21:04:48 +0000