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/* | ||
* Copyright 2023 Anton Tananaev ([email protected]) | ||
* | ||
* 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; | ||
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import io.netty.handler.codec.http.HttpObjectAggregator; | ||
import io.netty.handler.codec.http.HttpRequestDecoder; | ||
import io.netty.handler.codec.http.HttpResponseEncoder; | ||
import org.traccar.BaseProtocol; | ||
import org.traccar.PipelineBuilder; | ||
import org.traccar.TrackerServer; | ||
import org.traccar.config.Config; | ||
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import javax.inject.Inject; | ||
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public class VltProtocol extends BaseProtocol { | ||
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@Inject | ||
public VltProtocol(Config config) { | ||
addServer(new TrackerServer(config, getName(), false) { | ||
@Override | ||
protected void addProtocolHandlers(PipelineBuilder pipeline, Config config) { | ||
pipeline.addLast(new HttpResponseEncoder()); | ||
pipeline.addLast(new HttpRequestDecoder()); | ||
pipeline.addLast(new HttpObjectAggregator(65535)); | ||
pipeline.addLast(new VltProtocolDecoder(VltProtocol.this)); | ||
} | ||
}); | ||
} | ||
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} |
137 changes: 137 additions & 0 deletions
137
src/main/java/org/traccar/protocol/VltProtocolDecoder.java
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/* | ||
* Copyright 2023 Anton Tananaev ([email protected]) | ||
* | ||
* 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; | ||
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import io.netty.channel.Channel; | ||
import io.netty.handler.codec.http.FullHttpRequest; | ||
import io.netty.handler.codec.http.HttpResponseStatus; | ||
import io.netty.handler.codec.http.QueryStringDecoder; | ||
import org.traccar.BaseHttpProtocolDecoder; | ||
import org.traccar.Protocol; | ||
import org.traccar.helper.Parser; | ||
import org.traccar.helper.PatternBuilder; | ||
import org.traccar.model.CellTower; | ||
import org.traccar.model.Network; | ||
import org.traccar.model.Position; | ||
import org.traccar.session.DeviceSession; | ||
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import java.net.SocketAddress; | ||
import java.nio.charset.StandardCharsets; | ||
import java.util.LinkedList; | ||
import java.util.List; | ||
import java.util.regex.Pattern; | ||
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public class VltProtocolDecoder extends BaseHttpProtocolDecoder { | ||
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public VltProtocolDecoder(Protocol protocol) { | ||
super(protocol); | ||
} | ||
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private static final Pattern PATTERN = new PatternBuilder() | ||
.number("(dd)") // alert id | ||
.expression("([HL])") // history | ||
.number("([01])") // validity | ||
.number("(dd)(dd)(dd)") // date (ddmmyy) | ||
.number("(dd)(dd)(dd)") // time (hhmmss) | ||
.number("(d{3}.d{6})([NS])") // latitude | ||
.number("(d{3}.d{6})([EW])") // longitude | ||
.number("(d{3})") // mcc | ||
.expression("(x*[0-9]+)") // mnc | ||
.number("(x{4})") // lac | ||
.number("(d{9})") // cid | ||
.number("(d{3}.d{2})") // speed | ||
.number("(d{3}.d{2})") // course | ||
.number("(d{2})") // satellites | ||
.number("(d{2})") // hdop | ||
.number("(d{2})") // rssi | ||
.number("([01])") // ignition | ||
.number("([01])") // charging | ||
.expression("([HMS])") // vehicle mode | ||
.compile(); | ||
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private Position decodePosition(DeviceSession deviceSession, String sentence) { | ||
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Parser parser = new Parser(PATTERN, sentence); | ||
if (!parser.matches()) { | ||
return null; | ||
} | ||
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Position position = new Position(getProtocolName()); | ||
position.setDeviceId(deviceSession.getDeviceId()); | ||
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position.set(Position.KEY_EVENT, parser.nextInt()); | ||
position.set(Position.KEY_ARCHIVE, parser.next().equals("H") ? true : null); | ||
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position.setValid(parser.nextInt() > 0); | ||
position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS)); | ||
position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM)); | ||
position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM)); | ||
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int mcc = parser.nextInt(); | ||
int mnc = Integer.parseInt(parser.next().replaceAll("x", "")); | ||
int lac = parser.nextHexInt(); | ||
int cid = parser.nextInt(); | ||
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position.setSpeed(parser.nextDouble()); | ||
position.setCourse(parser.nextDouble()); | ||
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position.set(Position.KEY_SATELLITES, parser.nextInt()); | ||
position.set(Position.KEY_HDOP, parser.nextInt()); | ||
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position.setNetwork(new Network(CellTower.from(mcc, mnc, lac, cid, parser.nextInt()))); | ||
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position.set(Position.KEY_IGNITION, parser.nextInt() > 0); | ||
position.set(Position.KEY_CHARGE, parser.nextInt() > 0); | ||
position.set(Position.KEY_MOTION, parser.next().equals("M")); | ||
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return position; | ||
} | ||
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@Override | ||
protected Object decode( | ||
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { | ||
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FullHttpRequest request = (FullHttpRequest) msg; | ||
QueryStringDecoder decoder = new QueryStringDecoder( | ||
request.content().toString(StandardCharsets.US_ASCII), false); | ||
String sentence = decoder.parameters().get("vltdata").iterator().next(); | ||
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int index = 0; | ||
String type = sentence.substring(index, index += 3); | ||
String imei = sentence.substring(index, index += 15); | ||
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DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei); | ||
if (deviceSession == null) { | ||
sendResponse(channel, HttpResponseStatus.BAD_REQUEST); | ||
return null; | ||
} | ||
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sendResponse(channel, HttpResponseStatus.OK); | ||
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switch (type) { | ||
case "NRM": | ||
return decodePosition(deviceSession, sentence.substring(3 + 15)); | ||
default: | ||
List<Position> positions = new LinkedList<>(); | ||
int count = Integer.parseInt(sentence.substring(index, index += 3)); | ||
for (int i = 0; i < count; i++) { | ||
positions.add(decodePosition(deviceSession, sentence.substring(index, index += 78))); | ||
} | ||
return positions; | ||
} | ||
} | ||
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} |
22 changes: 22 additions & 0 deletions
22
src/test/java/org/traccar/protocol/VltProtocolDecoderTest.java
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package org.traccar.protocol; | ||
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import io.netty.handler.codec.http.HttpMethod; | ||
import org.junit.jupiter.api.Test; | ||
import org.traccar.ProtocolTest; | ||
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public class VltProtocolDecoderTest extends ProtocolTest { | ||
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@Test | ||
public void testDecode() throws Exception { | ||
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var decoder = inject(new VltProtocolDecoder(null)); | ||
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verifyPosition(decoder, request(HttpMethod.POST, "/", | ||
buffer("vltdata=NRM12345678901234501L1060418102230023.125503N080.068033E4041231234123456789070.48120.5025273011M"))); | ||
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verifyPositions(decoder, request(HttpMethod.POST, "/", | ||
buffer("vltdata=BTH86123004167306301301L1240323181909009.226018N076.794980E404x19601d000037596000.00198.7013011401S02H1240323181807009.226018N076.794980E404x72090a000000000000.00198.7013011101S02H1240323181707009.226018N076.794980E404x72090a000014598000.00198.7013011101S02H1240323181605009.226018N076.794982E404x72090a000014596000.00198.7013011101S02H1240323181504009.226018N076.794982E404x72090a000014596000.00198.7013010901S02H1240323181402009.226018N076.794980E404x72090a000014596001.67198.0013021301S02H1240323181306009.226010N076.794980E404x72090a000014596000.00174.0013021401S02H1240323181155009.226010N076.794980E404x72090a088511008000.00174.0013011201S02H1240323181057009.226010N076.794980E404x72090a000014596000.00174.0013011201S02H1240323180958009.226010N076.794980E404x72090a000014596000.00174.0013021401S02H1240323180858009.226010N076.794980E404x72090a000014596001.48174.0013021201S02H1240323180755009.226005N076.794982E404x72090a000014598000.00164.4013011301S02H1240323180652009.226005N076.794982E404x72090a000014598000.00164.4013021101S"))); | ||
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} | ||
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} |