From 19b17695867e00861c719292aad7ae48f33a8eeb Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Wed, 21 Sep 2016 19:31:39 +1200 Subject: Implement cGuard communication protocol --- src/org/traccar/model/Position.java | 1 + src/org/traccar/protocol/CguardProtocol.java | 47 +++++++++++ .../traccar/protocol/CguardProtocolDecoder.java | 91 ++++++++++++++++++++++ 3 files changed, 139 insertions(+) create mode 100644 src/org/traccar/protocol/CguardProtocol.java create mode 100644 src/org/traccar/protocol/CguardProtocolDecoder.java (limited to 'src/org') diff --git a/src/org/traccar/model/Position.java b/src/org/traccar/model/Position.java index 710dd1e83..c1058aef9 100644 --- a/src/org/traccar/model/Position.java +++ b/src/org/traccar/model/Position.java @@ -57,6 +57,7 @@ public class Position extends Message { public static final String KEY_THROTTLE = "throttle"; public static final String KEY_MOTION = "motion"; public static final String KEY_ARMED = "armed"; + public static final String KEY_ACCURACY = "accuracy"; public static final String KEY_OBD_SPEED = "obdSpeed"; public static final String KEY_OBD_ODOMETER = "obdOdometer"; diff --git a/src/org/traccar/protocol/CguardProtocol.java b/src/org/traccar/protocol/CguardProtocol.java new file mode 100644 index 000000000..1e6d212c8 --- /dev/null +++ b/src/org/traccar/protocol/CguardProtocol.java @@ -0,0 +1,47 @@ +/* + * Copyright 2016 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 org.jboss.netty.bootstrap.ServerBootstrap; +import org.jboss.netty.channel.ChannelPipeline; +import org.jboss.netty.handler.codec.frame.LineBasedFrameDecoder; +import org.jboss.netty.handler.codec.string.StringDecoder; +import org.jboss.netty.handler.codec.string.StringEncoder; +import org.traccar.BaseProtocol; +import org.traccar.TrackerServer; + +import java.util.List; + +public class CguardProtocol extends BaseProtocol { + + public CguardProtocol() { + super("cguard"); + } + + @Override + public void initTrackerServers(List serverList) { + serverList.add(new TrackerServer(new ServerBootstrap(), getName()) { + @Override + protected void addSpecificHandlers(ChannelPipeline pipeline) { + pipeline.addLast("frameDecoder", new LineBasedFrameDecoder(1024)); + pipeline.addLast("stringDecoder", new StringDecoder()); + pipeline.addLast("stringEncoder", new StringEncoder()); + pipeline.addLast("objectDecoder", new CguardProtocolDecoder(CguardProtocol.this)); + } + }); + } + +} diff --git a/src/org/traccar/protocol/CguardProtocolDecoder.java b/src/org/traccar/protocol/CguardProtocolDecoder.java new file mode 100644 index 000000000..1646363e5 --- /dev/null +++ b/src/org/traccar/protocol/CguardProtocolDecoder.java @@ -0,0 +1,91 @@ +/* + * Copyright 2016 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 org.jboss.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.regex.Pattern; + +public class CguardProtocolDecoder extends BaseProtocolDecoder { + + public CguardProtocolDecoder(CguardProtocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .text("NV:") + .number("(dd)(dd)(dd) ") // date + .number("(dd)(dd)(dd):") // time + .number("(-?d+.d+):") // longitude + .number("(-?d+.d+):") // latitude + .number("(d+.?d*):") // speed + .number("(?:NAN|(d+.?d*)):") // accuracy + .number("(?:NAN|(d+.?d*)):") // course + .number("(?:NAN|(d+.?d*))") // altitude + .compile(); + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + + if (sentence.startsWith("ID:") || sentence.startsWith("IDRO:")) { + getDeviceSession(channel, remoteAddress, sentence.substring(sentence.indexOf(':') + 1)); + return null; + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); + if (deviceSession == null) { + return null; + } + + Parser parser = new Parser(PATTERN, (String) msg); + if (!parser.matches()) { + return null; + } + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + DateBuilder dateBuilder = new DateBuilder() + .setDate(parser.nextInt(), parser.nextInt(), parser.nextInt()) + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); + + position.setValid(true); + position.setLatitude(parser.nextDouble()); + position.setLongitude(parser.nextDouble()); + position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble())); + + position.set(Position.KEY_ACCURACY, parser.nextDouble()); + + position.setCourse(parser.nextDouble()); + position.setAltitude(parser.nextDouble()); + + return position; + } + +} -- cgit v1.2.3