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-rw-r--r--src/org/traccar/protocol/L100FrameDecoder.java24
-rw-r--r--src/org/traccar/protocol/L100ProtocolDecoder.java109
-rw-r--r--test/org/traccar/protocol/L100FrameDecoderTest.java4
-rw-r--r--test/org/traccar/protocol/L100ProtocolDecoderTest.java6
4 files changed, 134 insertions, 9 deletions
diff --git a/src/org/traccar/protocol/L100FrameDecoder.java b/src/org/traccar/protocol/L100FrameDecoder.java
index 98c2f9768..c8a520772 100644
--- a/src/org/traccar/protocol/L100FrameDecoder.java
+++ b/src/org/traccar/protocol/L100FrameDecoder.java
@@ -26,22 +26,32 @@ public class L100FrameDecoder extends FrameDecoder {
protected Object decode(
ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {
- if (buf.readableBytes() < 80) {
+ if (buf.readableBytes() < 10) {
return null;
}
- int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x02);
- if (index == -1) {
- index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x04);
+ int header = buf.getByte(buf.readerIndex());
+ boolean obd = header == 'L' || header == 'H';
+
+ int index;
+ if (obd) {
+ index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '*');
+ } else {
+ index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x02);
if (index == -1) {
- return null;
+ index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x04);
+ if (index == -1) {
+ return null;
+ }
}
}
index += 2; // checksum
- if (buf.readableBytes() >= index - buf.readerIndex()) {
- buf.skipBytes(2); // header
+ if (buf.writerIndex() >= index) {
+ if (!obd) {
+ buf.skipBytes(2); // header
+ }
ChannelBuffer frame = buf.readBytes(index - buf.readerIndex() - 2);
buf.skipBytes(2); // footer
return frame;
diff --git a/src/org/traccar/protocol/L100ProtocolDecoder.java b/src/org/traccar/protocol/L100ProtocolDecoder.java
index fe2c298e1..5842b35b6 100644
--- a/src/org/traccar/protocol/L100ProtocolDecoder.java
+++ b/src/org/traccar/protocol/L100ProtocolDecoder.java
@@ -18,6 +18,7 @@ package org.traccar.protocol;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
+import org.traccar.helper.Checksum;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
@@ -66,23 +67,59 @@ public class L100ProtocolDecoder extends BaseProtocolDecoder {
.text("ATL")
.compile();
+ private static final Pattern PATTERN_OBD = new PatternBuilder()
+ .expression("[LH],") // archive
+ .text("ATL,")
+ .number("(d{15}),") // imei
+ .number("(d+),") // type
+ .number("(d+),") // index
+ .groupBegin()
+ .number("(dd)(dd)(dd),") // time (hhmmss)
+ .number("(dd)(dd)(dd),") // date (ddmmyy)
+ .expression("([AV]),") // validity
+ .number("(d+.d+);([NS]),") // latitude
+ .number("(d+.d+);([EW]),") // longitude
+ .number("(d+),") // speed
+ .number("(d+),") // course
+ .number("(d+.d+),") // odometer
+ .number("(d+.d+),") // battery
+ .number("(d+),") // rssi
+ .number("(d+),") // mcc
+ .number("(d+),") // mnc
+ .number("(d+),") // lac
+ .number("(x+),") // cid
+ .number("#(d)(d)(d)(d),") // status
+ .number("(d),") // overspeed
+ .text("ATL,")
+ .groupEnd("?")
+ .compile();
+
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String sentence = (String) msg;
+ if (sentence.startsWith("L") || sentence.startsWith("H")) {
+ return decodeObd(channel, remoteAddress, sentence);
+ } else {
+ return decodeNormal(channel, remoteAddress, sentence);
+ }
+ }
+
+ private Object decodeNormal(Channel channel, SocketAddress remoteAddress, String sentence) {
+
Parser parser = new Parser(PATTERN, sentence);
if (!parser.matches()) {
return null;
}
- Position position = new Position(getProtocolName());
-
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
+
+ Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
DateBuilder dateBuilder = new DateBuilder()
@@ -112,4 +149,72 @@ public class L100ProtocolDecoder extends BaseProtocolDecoder {
return position;
}
+ private Object decodeObd(Channel channel, SocketAddress remoteAddress, String sentence) {
+
+ Parser parser = new Parser(PATTERN_OBD, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ String imei = parser.next();
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ int type = parser.nextInt();
+ int index = parser.nextInt();
+
+ if (type == 1) {
+ if (channel != null) {
+ String response = "@" + imei + ",00," + index + ",";
+ response += "*" + (char) Checksum.xor(response);
+ channel.write(response, remoteAddress);
+ }
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.setTime(parser.nextDateTime(Parser.DateTimeFormat.HMS_DMY));
+ position.setValid(parser.next().equals("A"));
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+ position.setSpeed(parser.nextInt());
+ position.setCourse(parser.nextInt());
+
+ position.set(Position.KEY_ODOMETER, parser.nextDouble() * 1000);
+ position.set(Position.KEY_BATTERY, parser.nextDouble());
+
+ int rssi = parser.nextInt();
+ position.setNetwork(new Network(CellTower.from(
+ parser.nextInt(), parser.nextInt(), parser.nextInt(), parser.nextHexInt(), rssi)));
+
+ position.set(Position.KEY_IGNITION, parser.nextInt() == 1);
+ parser.next(); // reserved
+
+ switch (parser.nextInt()) {
+ case 0:
+ position.set(Position.KEY_ALARM, Position.ALARM_BRAKING);
+ break;
+ case 2:
+ position.set(Position.KEY_ALARM, Position.ALARM_ACCELERATION);
+ break;
+ case 1:
+ position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
+ break;
+ default:
+ break;
+ }
+
+ position.set(Position.KEY_CHARGE, parser.nextInt() == 1);
+
+ if (parser.nextInt() == 1) {
+ position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED);
+ }
+
+ return position;
+ }
+
}
diff --git a/test/org/traccar/protocol/L100FrameDecoderTest.java b/test/org/traccar/protocol/L100FrameDecoderTest.java
index 7cb385d3e..a94f2eb0d 100644
--- a/test/org/traccar/protocol/L100FrameDecoderTest.java
+++ b/test/org/traccar/protocol/L100FrameDecoderTest.java
@@ -11,6 +11,10 @@ public class L100FrameDecoderTest extends ProtocolTest {
L100FrameDecoder decoder = new L100FrameDecoder();
verifyFrame(
+ binary("4c2c41544c2c3836363739353033303437373935322c30312c303033352c"),
+ decoder.decode(null, null, binary("4c2c41544c2c3836363739353033303437373935322c30312c303033352c2a28")));
+
+ verifyFrame(
binary("41544c3335363839353033373533333734352c244750524d432c3131313731392e3030302c412c323833382e303034352c4e2c30373731332e333730372c452c302e30302c2c3132303831302c2c2c412a3735242c2330313130303131313030313031302c4e2e432c4e2e432c4e2e432c31323334352e36372c33312e342c342e322c32312c4d43432c4d4e432c4c41432c43656c6c494441544c"),
decoder.decode(null, null, binary("200141544c3335363839353033373533333734352c244750524d432c3131313731392e3030302c412c323833382e303034352c4e2c30373731332e333730372c452c302e30302c2c3132303831302c2c2c412a3735242c2330313130303131313030313031302c4e2e432c4e2e432c4e2e432c31323334352e36372c33312e342c342e322c32312c4d43432c4d4e432c4c41432c43656c6c494441544c027a")));
diff --git a/test/org/traccar/protocol/L100ProtocolDecoderTest.java b/test/org/traccar/protocol/L100ProtocolDecoderTest.java
index 1e48ecef5..65a5a1afe 100644
--- a/test/org/traccar/protocol/L100ProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/L100ProtocolDecoderTest.java
@@ -11,6 +11,12 @@ public class L100ProtocolDecoderTest extends ProtocolTest {
L100ProtocolDecoder decoder = new L100ProtocolDecoder(new L100Protocol());
verifyPosition(decoder, text(
+ "H,ATL,866795030478513,02,0981,054448,230318,A,28.633486;N,77.222595;E,0,154,1.14,4.2,18,404,4,88,ad7b,#1031,0,ATL,"));
+
+ verifyNull(decoder, text(
+ "L,ATL,866795030477952,01,0035,"));
+
+ verifyPosition(decoder, text(
"ATL861693039769518,$GPRMC,074930.000,A,2838.0112,N,07713.3602,E,0000,223.36,290518,,,A*7E,#01111011000100,0.012689,0,0,2.572415,0,4.015,22,404,4,88,3ad5,0,0.01,1.4_800F_VTS3D3_gen_peri_myn,,internet,00000000,ATL"));
verifyPosition(decoder, text(
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-04 11:51:25 +0000