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Added Navis protocol (fix #99)

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This commit is contained in:
Anton Tananaev 2012-12-04 21:24:41 +13:00
parent 2b6d8cb12c
commit 8d49ced822
6 changed files with 436 additions and 27 deletions
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4
default.cfg
View File

@ -167,5 +167,9 @@
<!-- TR20 server configuration -->
<entry key="tr20.enable">true</entry>
<entry key="tr20.port">5018</entry>
<!-- Navis server configuration -->
<entry key="navis.enable">true</entry>
<entry key="navis.port">5019</entry>
</properties>

27
src/org/traccar/Server.java
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@ -17,6 +17,7 @@ package org.traccar;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.ByteOrder;
import java.sql.SQLException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
@ -105,6 +106,7 @@ public class Server {
initV680Server(properties);
initPt502Server(properties);
initTr20Server(properties);
initNavisServer(properties);
// Initialize web server
if (Boolean.valueOf(properties.getProperty("http.enable"))) {
@ -517,7 +519,7 @@ public class Server {
if (isProtocolEnabled(properties, protocol)) {
TrackerServer server = new TrackerServer(getProtocolPort(properties, protocol));
server.setEndianness(java.nio.ByteOrder.LITTLE_ENDIAN);
server.setEndianness(ByteOrder.LITTLE_ENDIAN);
final Integer resetDelay = getProtocolResetDelay(properties, protocol);
server.setPipelineFactory(new GenericPipelineFactory(server, dataManager, isLoggerEnabled(), resetDelay, geocoder) {
@ -679,4 +681,27 @@ public class Server {
serverList.add(server);
}
}
/**
* Init Navis server
*/
private void initNavisServer(Properties properties) throws SQLException {
String protocol = "navis";
if (isProtocolEnabled(properties, protocol)) {
TrackerServer server = new TrackerServer(getProtocolPort(properties, protocol));
server.setEndianness(ByteOrder.LITTLE_ENDIAN);
final Integer resetDelay = getProtocolResetDelay(properties, protocol);
server.setPipelineFactory(new GenericPipelineFactory(server, dataManager, isLoggerEnabled(), resetDelay, geocoder) {
protected void addSpecificHandlers(ChannelPipeline pipeline) {
pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(4 * 1024, 12, 2, 2, 0));
pipeline.addLast("objectDecoder", new NavisProtocolDecoder(getDataManager()));
}
});
serverList.add(server);
}
}
}

58
src/org/traccar/TrackerEventHandler.java
View File

@ -15,6 +15,7 @@
*/
package org.traccar;
import java.util.List;
import org.jboss.netty.channel.*;
import org.jboss.netty.handler.timeout.IdleStateAwareChannelHandler;
import org.jboss.netty.handler.timeout.IdleStateEvent;
@ -37,36 +38,41 @@ public class TrackerEventHandler extends IdleStateAwareChannelHandler {
super();
dataManager = newDataManager;
}
private void processSinglePosition(Position position) {
if (position == null) {
Log.info("null message");
} else {
Log.info(
"id: " + position.getId() +
", deviceId: " + position.getDeviceId() +
", valid: " + position.getValid() +
", time: " + position.getTime() +
", latitude: " + position.getLatitude() +
", longitude: " + position.getLongitude() +
", altitude: " + position.getAltitude() +
", speed: " + position.getSpeed() +
", course: " + position.getCourse() +
", power: " + position.getPower());
}
// Write position to database
try {
dataManager.addPosition(position);
} catch (Exception error) {
Log.info("Exception during query execution");
Log.warning(error.getMessage());
}
}
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) {
if (e.getMessage() instanceof Position) {
Position position = (Position) e.getMessage();
if (position == null) {
Log.info("null message");
} else {
Log.info(
"id: " + position.getId() +
", deviceId: " + position.getDeviceId() +
", valid: " + position.getValid() +
", time: " + position.getTime() +
", latitude: " + position.getLatitude() +
", longitude: " + position.getLongitude() +
", altitude: " + position.getAltitude() +
", speed: " + position.getSpeed() +
", course: " + position.getCourse() +
", power: " + position.getPower());
}
// Write position to database
try {
dataManager.addPosition(position);
} catch (Exception error) {
Log.info("Exception during query execution");
Log.warning(error.getMessage());
processSinglePosition((Position) e.getMessage());
} else if (e.getMessage() instanceof List) {
List<Position> positions = (List<Position>) e.getMessage();
for (Position position : positions) {
processSinglePosition(position);
}
}
}

348
src/org/traccar/protocol/NavisProtocolDecoder.java Normal file
View File

@ -0,0 +1,348 @@
/*
* Copyright 2012 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.nio.ByteOrder;
import java.nio.charset.Charset;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
import java.util.TimeZone;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.traccar.GenericProtocolDecoder;
import org.traccar.helper.Log;
import org.traccar.model.DataManager;
import org.traccar.model.Position;
/**
* Navis protocol decoder
*/
public class NavisProtocolDecoder extends GenericProtocolDecoder {
private String prefix;
private long deviceId, serverId;
private static final Charset charset = Charset.defaultCharset();
private String imei;
private Long databaseDeviceId;
/**
* Initialize
*/
public NavisProtocolDecoder(DataManager dataManager) {
super(dataManager);
}
// Format types
public static final int F10 = 0x01;
public static final int F20 = 0x02;
public static final int F30 = 0x03;
public static final int F40 = 0x04;
public static final int F50 = 0x05;
public static final int F51 = 0x15;
public static final int F52 = 0x25;
private static boolean isFormat(int type, int... types) {
for (int i : types) {
if (type == i) {
return true;
}
}
return false;
}
private Position parsePosition(ChannelBuffer buf) {
Position position = new Position();
StringBuilder extendedInfo = new StringBuilder("<protocol>navis</protocol>");
position.setDeviceId(databaseDeviceId);
position.setAltitude(0.0);
// Format type
int format;
if (buf.getUnsignedByte(buf.readerIndex()) == 0) {
format = buf.readUnsignedShort();
} else {
format = buf.readUnsignedByte();
}
extendedInfo.append("<format>");
extendedInfo.append(format);
extendedInfo.append("</format>");
position.setId(buf.readUnsignedInt()); // sequence number
// Event type
extendedInfo.append("<event>");
extendedInfo.append(buf.readUnsignedShort());
extendedInfo.append("</event>");
// Event time
Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
time.clear();
time.set(Calendar.HOUR, buf.readUnsignedByte());
time.set(Calendar.MINUTE, buf.readUnsignedByte());
time.set(Calendar.SECOND, buf.readUnsignedByte());
time.set(Calendar.DAY_OF_MONTH, buf.readUnsignedByte());
time.set(Calendar.MONTH, buf.readUnsignedByte());
time.set(Calendar.YEAR, 2000 + buf.readUnsignedByte());
extendedInfo.append("<time>");
extendedInfo.append(time.getTimeInMillis());
extendedInfo.append("</time>");
// Alarm status
extendedInfo.append("<alarm>");
extendedInfo.append(buf.readUnsignedByte());
extendedInfo.append("</alarm>");
// Modules status
extendedInfo.append("<status>");
extendedInfo.append(buf.readUnsignedByte());
extendedInfo.append("</status>");
// GSM signal
extendedInfo.append("<gsm>");
extendedInfo.append(buf.readUnsignedByte());
extendedInfo.append("</gsm>");
// Output
extendedInfo.append("<output>");
if (isFormat(format, F10, F20, F30)) {
extendedInfo.append(buf.readUnsignedShort());
} else if (isFormat(format, F40, F50, F51, F52)) {
extendedInfo.append(buf.readUnsignedByte());
}
extendedInfo.append("</output>");
// Input
extendedInfo.append("<input>");
if (isFormat(format, F10, F20, F30, F40)) {
extendedInfo.append(buf.readUnsignedShort());
} else if (isFormat(format, F50, F51, F52)) {
extendedInfo.append(buf.readUnsignedByte());
}
extendedInfo.append("</input>");
position.setPower(buf.readUnsignedShort() / 1000.0); // power
// Battery power
extendedInfo.append("<battery>");
extendedInfo.append(buf.readUnsignedShort());
extendedInfo.append("</battery>");
// Temperature
if (isFormat(format, F10, F20, F30)) {
extendedInfo.append("<temperature>");
extendedInfo.append(buf.readShort());
extendedInfo.append("</temperature>");
}
if (isFormat(format, F10, F20, F50, F52)) {
// ADC 1
extendedInfo.append("<adc1>");
extendedInfo.append(buf.readUnsignedShort());
extendedInfo.append("</adc1>");
// ADC 2
extendedInfo.append("<adc2>");
extendedInfo.append(buf.readUnsignedShort());
extendedInfo.append("</adc2>");
}
if (isFormat(format, F20, F50, F51, F52)) {
// Impulse counters
buf.readUnsignedInt();
buf.readUnsignedInt();
}
if (isFormat(format, F20, F50, F51, F52)) {
// Validity
int locationStatus = buf.readUnsignedByte();
position.setValid((locationStatus & 0x02) == 0x02);
// Location time
time.clear();
time.set(Calendar.HOUR, buf.readUnsignedByte());
time.set(Calendar.MINUTE, buf.readUnsignedByte());
time.set(Calendar.SECOND, buf.readUnsignedByte());
time.set(Calendar.DAY_OF_MONTH, buf.readUnsignedByte());
time.set(Calendar.MONTH, buf.readUnsignedByte());
time.set(Calendar.YEAR, 2000 + buf.readUnsignedByte());
position.setTime(time.getTime());
// Location data
position.setLatitude(buf.readFloat() / Math.PI * 180);
position.setLongitude(buf.readFloat() / Math.PI * 180);
position.setSpeed((double) buf.readFloat());
position.setCourse((double) buf.readUnsignedShort());
// Milage
extendedInfo.append("<milage>");
extendedInfo.append(buf.readFloat());
extendedInfo.append("</milage>");
// Last segment
extendedInfo.append("<segment>");
extendedInfo.append(buf.readFloat());
extendedInfo.append("</segment>");
// Segment times
buf.readUnsignedShort();
buf.readUnsignedShort();
}
if (isFormat(format, F51, F52)) {
// Other stuff
buf.readUnsignedShort();
buf.readByte();
buf.readUnsignedShort();
buf.readUnsignedShort();
buf.readByte();
buf.readUnsignedShort();
buf.readUnsignedShort();
buf.readByte();
buf.readUnsignedShort();
}
if (isFormat(format, F40, F52)) {
// Four temperature sensors
buf.readByte();
buf.readByte();
buf.readByte();
buf.readByte();
}
// Extended info
position.setExtendedInfo(extendedInfo.toString());
return position;
}
private Object processSingle(Channel channel, ChannelBuffer buf) {
Position position = parsePosition(buf);
ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 8);
response.writeBytes(ChannelBuffers.copiedBuffer(ByteOrder.LITTLE_ENDIAN, "*<T", charset));
response.writeInt(position.getId().intValue());
sendReply(channel, response);
// No location data
if (position.getValid() == null) {
return null;
}
return position;
}
private Object processArray(Channel channel, ChannelBuffer buf) {
List<Position> positions = new LinkedList<Position>();
int count = buf.readUnsignedByte();
for (int i = 0; i < count; i++) {
Position position = parsePosition(buf);
if (position.getValid() != null) {
positions.add(position);
}
}
ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 8);
response.writeBytes(ChannelBuffers.copiedBuffer(ByteOrder.LITTLE_ENDIAN, "*<A", charset));
response.writeByte(count);
sendReply(channel, response);
// No location data
if (positions.isEmpty()) {
return null;
}
return positions;
}
private Object processHandshake(Channel channel, ChannelBuffer buf) {
buf.readByte(); // semicolon symbol
imei = buf.toString(Charset.defaultCharset());
try {
databaseDeviceId = getDataManager().getDeviceByImei(imei).getId();
sendReply(channel, ChannelBuffers.copiedBuffer(ByteOrder.LITTLE_ENDIAN, "*<S", charset));
} catch(Exception error) {
Log.warning(error.toString());
}
return null;
}
private static short checksum(ChannelBuffer buf) {
short sum = 0;
for (int i = 0; i < buf.readableBytes(); i++) {
sum ^= buf.getUnsignedByte(i);
}
return sum;
}
private void sendReply(Channel channel, ChannelBuffer data) {
ChannelBuffer header = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 16);
header.writeBytes(ChannelBuffers.copiedBuffer(ByteOrder.LITTLE_ENDIAN, prefix, charset));
header.writeInt((int) deviceId);
header.writeInt((int) serverId);
header.writeShort(data.readableBytes());
header.writeByte(checksum(data));
header.writeByte(checksum(header));
if (channel != null) {
channel.write(ChannelBuffers.copiedBuffer(header, data));
}
}
/**
* Decode message
*/
protected Object decode(
ChannelHandlerContext ctx, Channel channel, Object msg)
throws Exception {
ChannelBuffer buf = (ChannelBuffer) msg;
// Read header
prefix = buf.toString(buf.readerIndex(), 4, charset);
buf.skipBytes(prefix.length()); // prefix @NTC by default
serverId = buf.readUnsignedInt();
deviceId = buf.readUnsignedInt();
int length = buf.readUnsignedShort();
buf.skipBytes(2); // header and data XOR checksum
if (length == 0) {
return null; // keep alive message
}
// Read message type
String type = buf.toString(buf.readerIndex(), 3, charset);
buf.skipBytes(type.length());
if (type.equals("*>T")) {
return processSingle(channel, buf);
} else if (type.equals("*>A")) {
return processArray(channel, buf);
} else if (type.equals("*>S")) {
return processHandshake(channel, buf);
}
return null;
}
}

2
test.sh
View File

@ -65,3 +65,5 @@ echo "17. pt502"
echo "18. tr20"
(echo -n -e "%%123456789012345,A,120101121800,N6000.0000E13000.0000,0,000,0,01034802,150,[Message]\r\n";) | nc -v localhost 5018
echo "19. navis"

24
test/org/traccar/protocol/NavisProtocolDecoderTest.java Normal file
View File

@ -0,0 +1,24 @@
package org.traccar.protocol;
import java.nio.ByteOrder;
import org.jboss.netty.buffer.ChannelBuffers;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertNotNull;
import org.junit.Test;
public class NavisProtocolDecoderTest {
@Test
public void testDecode() throws Exception {
NavisProtocolDecoder decoder = new NavisProtocolDecoder(new TestDataManager());
byte[] buf1 = {0x40,0x4E,0x54,0x43,0x01,0x00,0x00,0x00,0x7B,0x00,0x00,0x00,0x13,0x00,0x44,0x34,0x2A,0x3E,0x53,0x3A,0x38,0x36,0x31,0x37,0x38,0x35,0x30,0x30,0x35,0x32,0x30,0x35,0x30,0x37,0x39};
assertNull(decoder.decode(null, null, ChannelBuffers.wrappedBuffer(ByteOrder.LITTLE_ENDIAN, buf1)));
byte[] buf2 = {0x40,0x4E,0x54,0x43,0x01,0x00,0x00,0x00,0x7B,0x00,0x00,0x00,0x5A,0x00,0x50,0x69,0x2A,0x3E,0x41,0x01,0x25,(byte)0xDB,0x0E,0x00,0x00,0x00,0x15,0x11,0x07,0x07,0x11,0x0A,0x0C,0x08,(byte)0x80,0x63,0x00,0x00,(byte)0xAA,0x39,(byte)0xA2,0x38,0x16,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x11,0x07,0x08,0x11,0x0A,0x0C,(byte)0xB3,(byte)0x89,(byte)0x79,0x3F,0x1A,(byte)0xEF,0x26,0x3F,0x00,0x00,0x00,0x00,0x12,0x00,0x34,(byte)0xF5,0x16,0x44,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,(byte)0xFA,(byte)0xFF,0x00,0x00,0x00,(byte)0xFA,(byte)0xFF,0x00,0x00,0x00,(byte)0xFA,(byte)0xFF,(byte)0x80,(byte)0x80,(byte)0x80,(byte)0x80};
assertNotNull(decoder.decode(null, null, ChannelBuffers.wrappedBuffer(ByteOrder.LITTLE_ENDIAN, buf2)));
}
}