From 86ad45c63c9a9e9bee59a8cc621416e1396f9c89 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Mon, 11 Jun 2018 22:00:45 +1200 Subject: Implement Freematics UDP protocol --- src/org/traccar/protocol/FreematicsProtocol.java | 43 +++++++++ .../protocol/FreematicsProtocolDecoder.java | 103 +++++++++++++++++++++ 2 files changed, 146 insertions(+) create mode 100644 src/org/traccar/protocol/FreematicsProtocol.java create mode 100644 src/org/traccar/protocol/FreematicsProtocolDecoder.java (limited to 'src/org/traccar') diff --git a/src/org/traccar/protocol/FreematicsProtocol.java b/src/org/traccar/protocol/FreematicsProtocol.java new file mode 100644 index 000000000..551c7e619 --- /dev/null +++ b/src/org/traccar/protocol/FreematicsProtocol.java @@ -0,0 +1,43 @@ +/* + * Copyright 2018 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. + * 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.ConnectionlessBootstrap; +import org.jboss.netty.channel.ChannelPipeline; +import org.jboss.netty.handler.codec.string.StringDecoder; +import org.traccar.BaseProtocol; +import org.traccar.TrackerServer; + +import java.util.List; + +public class FreematicsProtocol extends BaseProtocol { + + public FreematicsProtocol() { + super("freematics"); + } + + @Override + public void initTrackerServers(List serverList) { + serverList.add(new TrackerServer(new ConnectionlessBootstrap(), getName()) { + @Override + protected void addSpecificHandlers(ChannelPipeline pipeline) { + pipeline.addLast("stringDecoder", new StringDecoder()); + pipeline.addLast("objectDecoder", new FreematicsProtocolDecoder(FreematicsProtocol.this)); + } + }); + } + +} diff --git a/src/org/traccar/protocol/FreematicsProtocolDecoder.java b/src/org/traccar/protocol/FreematicsProtocolDecoder.java new file mode 100644 index 000000000..66e451d6d --- /dev/null +++ b/src/org/traccar/protocol/FreematicsProtocolDecoder.java @@ -0,0 +1,103 @@ +/* + * Copyright 2018 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. + * 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.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.Date; + +public class FreematicsProtocolDecoder extends BaseProtocolDecoder { + + public FreematicsProtocolDecoder(FreematicsProtocol protocol) { + super(protocol); + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + int startIndex = sentence.indexOf('#'); + int endIndex = sentence.indexOf('*'); + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, sentence.substring(0, startIndex)); + if (deviceSession == null) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + position.setValid(true); + + DateBuilder dateBuilder = new DateBuilder(new Date()); + + for (String pair : sentence.substring(startIndex + 1, endIndex).split(",")) { + String[] data = pair.split("="); + int key = Integer.parseInt(data[0], 16); + String value = data[1]; + switch (key) { + case 0x11: + value = ("000000" + value).substring(value.length()); + dateBuilder.setDateReverse( + Integer.parseInt(value.substring(0, 2)), + Integer.parseInt(value.substring(2, 4)), + Integer.parseInt(value.substring(4))); + break; + case 0x10: + value = ("00000000" + value).substring(value.length()); + dateBuilder.setTime( + Integer.parseInt(value.substring(0, 2)), + Integer.parseInt(value.substring(2, 4)), + Integer.parseInt(value.substring(4, 6)), + Integer.parseInt(value.substring(6)) * 10); + break; + case 0xA: + position.setLatitude(Double.parseDouble(value)); + break; + case 0xB: + position.setLongitude(Double.parseDouble(value)); + break; + case 0xC: + position.setAltitude(Integer.parseInt(value)); + break; + case 0xD: + position.setLatitude(UnitsConverter.knotsFromKph(Integer.parseInt(value))); + break; + case 0xE: + position.setCourse(Integer.parseInt(value)); + break; + case 0xF: + position.set(Position.KEY_SATELLITES, Integer.parseInt(value)); + break; + default: + position.set(data[0], value); + break; + } + + } + + position.setTime(dateBuilder.getDate()); + + return position; + } + +} -- cgit v1.2.3