From 723bb89389f4de335a9a6527da62fb58c18b154c Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Tue, 15 May 2018 17:08:04 +1200 Subject: Implement Telemax protocol --- src/org/traccar/protocol/TelemaxProtocol.java | 47 +++++++++ .../traccar/protocol/TelemaxProtocolDecoder.java | 111 +++++++++++++++++++++ 2 files changed, 158 insertions(+) create mode 100644 src/org/traccar/protocol/TelemaxProtocol.java create mode 100644 src/org/traccar/protocol/TelemaxProtocolDecoder.java (limited to 'src/org/traccar/protocol') diff --git a/src/org/traccar/protocol/TelemaxProtocol.java b/src/org/traccar/protocol/TelemaxProtocol.java new file mode 100644 index 000000000..5dee95c8e --- /dev/null +++ b/src/org/traccar/protocol/TelemaxProtocol.java @@ -0,0 +1,47 @@ +/* + * 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.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 TelemaxProtocol extends BaseProtocol { + + public TelemaxProtocol() { + super("telemax"); + } + + @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("stringEncoder", new StringEncoder()); + pipeline.addLast("stringDecoder", new StringDecoder()); + pipeline.addLast("objectDecoder", new TelemaxProtocolDecoder(TelemaxProtocol.this)); + } + }); + } + +} diff --git a/src/org/traccar/protocol/TelemaxProtocolDecoder.java b/src/org/traccar/protocol/TelemaxProtocolDecoder.java new file mode 100644 index 000000000..a52a83133 --- /dev/null +++ b/src/org/traccar/protocol/TelemaxProtocolDecoder.java @@ -0,0 +1,111 @@ +/* + * 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.BitUtil; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.text.SimpleDateFormat; +import java.util.Date; +import java.util.LinkedList; +import java.util.List; + +public class TelemaxProtocolDecoder extends BaseProtocolDecoder { + + public TelemaxProtocolDecoder(TelemaxProtocol protocol) { + super(protocol); + } + + private String readValue(String sentence, int[] index, int length) { + String value = sentence.substring(index[0], index[0] + length); + index[0] += length; + return value; + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + + if (sentence.startsWith("%")) { + int length = Integer.parseInt(sentence.substring(1, 3)); + getDeviceSession(channel, remoteAddress, sentence.substring(3, 3 + length)); + return null; + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); + if (deviceSession == null) { + return null; + } + + int[] index = {0}; + + if (!readValue(sentence, index, 1).equals("Y")) { + return null; + } + + readValue(sentence, index, 8); // command id + readValue(sentence, index, 6); // password + readValue(sentence, index, Integer.parseInt(readValue(sentence, index, 2), 16)); // unit id + readValue(sentence, index, 2); // frame count + + readValue(sentence, index, 2); // data format + + int interval = Integer.parseInt(readValue(sentence, index, 4), 16); + + readValue(sentence, index, 2); // info flags + readValue(sentence, index, 2); // version + + int count = Integer.parseInt(readValue(sentence, index, 2), 16); + + Date time = null; + List positions = new LinkedList<>(); + + for (int i = 0; i < count; i++) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + int speed = Integer.parseInt(readValue(sentence, index, 2), 16); + + position.setValid(BitUtil.check(speed, 7)); + position.setSpeed(BitUtil.to(speed, 7)); + + position.setLongitude((Integer.parseInt(readValue(sentence, index, 6), 16) - 5400000) / 30000.0); + position.setLatitude((Integer.parseInt(readValue(sentence, index, 6), 16) - 5400000) / 30000.0); + + if (i == 0 | i == count - 1) { + time = new SimpleDateFormat("yyMMddhhmmss").parse(readValue(sentence, index, 12)); + position.set(Position.KEY_STATUS, readValue(sentence, index, 8)); + } else { + time = new Date(time.getTime() + interval * 1000); + } + + position.setTime(time); + + positions.add(position); + + } + + return positions; + } + +} -- cgit v1.2.3