From 1c46c37b9a2ebe856b1d4b7e2ddf3cf24526dfb6 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sun, 3 Feb 2013 16:03:07 +1300 Subject: Added Teltonika protocol (fix #14) --- src/org/traccar/ServerManager.java | 29 +++++ .../traccar/protocol/TeltonikaFrameDecoder.java | 54 +++++++++ .../traccar/protocol/TeltonikaProtocolDecoder.java | 129 +++++++++++++++++++++ 3 files changed, 212 insertions(+) create mode 100644 src/org/traccar/protocol/TeltonikaFrameDecoder.java create mode 100644 src/org/traccar/protocol/TeltonikaProtocolDecoder.java (limited to 'src') diff --git a/src/org/traccar/ServerManager.java b/src/org/traccar/ServerManager.java index ca656af73..85aa8b2cc 100644 --- a/src/org/traccar/ServerManager.java +++ b/src/org/traccar/ServerManager.java @@ -35,6 +35,8 @@ import org.jboss.netty.buffer.ChannelBuffers; import org.jboss.netty.channel.ChannelPipeline; import org.jboss.netty.handler.codec.frame.DelimiterBasedFrameDecoder; import org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder; +import org.jboss.netty.handler.codec.http.HttpRequestDecoder; +import org.jboss.netty.handler.codec.http.HttpResponseEncoder; import org.jboss.netty.handler.codec.string.StringDecoder; import org.jboss.netty.handler.codec.string.StringEncoder; import org.traccar.geocode.GoogleReverseGeocoder; @@ -129,6 +131,8 @@ public class ServerManager { initGt06Server("gt06"); initMegastekServer("megastek"); initNavigilServer("navigil"); + initMta6Server("mta6"); + initTeltonikaServer("teltonika"); // Initialize web server if (Boolean.valueOf(properties.getProperty("http.enable"))) { @@ -606,4 +610,29 @@ public class ServerManager { } } + private void initMta6Server(String protocol) throws SQLException { + if (isProtocolEnabled(properties, protocol)) { + serverList.add(new TrackerServer(this, new ServerBootstrap(), protocol) { + @Override + protected void addSpecificHandlers(ChannelPipeline pipeline) { + pipeline.addLast("httpDecoder", new HttpRequestDecoder()); + pipeline.addLast("httpEncoder", new HttpResponseEncoder()); + pipeline.addLast("objectDecoder", new Mta6ProtocolDecoder(ServerManager.this)); + } + }); + } + } + + private void initTeltonikaServer(String protocol) throws SQLException { + if (isProtocolEnabled(properties, protocol)) { + serverList.add(new TrackerServer(this, new ServerBootstrap(), protocol) { + @Override + protected void addSpecificHandlers(ChannelPipeline pipeline) { + pipeline.addLast("frameDecoder", new TeltonikaFrameDecoder()); + pipeline.addLast("objectDecoder", new TeltonikaProtocolDecoder(ServerManager.this)); + } + }); + } + } + } diff --git a/src/org/traccar/protocol/TeltonikaFrameDecoder.java b/src/org/traccar/protocol/TeltonikaFrameDecoder.java new file mode 100644 index 000000000..8ed3e7f10 --- /dev/null +++ b/src/org/traccar/protocol/TeltonikaFrameDecoder.java @@ -0,0 +1,54 @@ +/* + * Copyright 2013 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.buffer.ChannelBuffer; +import org.jboss.netty.channel.Channel; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.jboss.netty.handler.codec.frame.FrameDecoder; + +public class TeltonikaFrameDecoder extends FrameDecoder { + + private static final int MESSAGE_MINIMUM_LENGTH = 10; + + @Override + protected Object decode( + ChannelHandlerContext ctx, + Channel channel, + ChannelBuffer buf) throws Exception { + + // Check minimum length + if (buf.readableBytes() < MESSAGE_MINIMUM_LENGTH) { + return null; + } + + // Read packet + int length = buf.getUnsignedShort(buf.readerIndex()); + if (length > 0) { + if (buf.readableBytes() >= (length + 2)) { + return buf.readBytes(length + 2); + } + } else { + int dataLength = buf.getInt(buf.readerIndex() + 4); + if (buf.readableBytes() >= (dataLength + 10)) { + return buf.readBytes(dataLength + 10); + } + } + + return null; + } + +} diff --git a/src/org/traccar/protocol/TeltonikaProtocolDecoder.java b/src/org/traccar/protocol/TeltonikaProtocolDecoder.java new file mode 100644 index 000000000..2c1028881 --- /dev/null +++ b/src/org/traccar/protocol/TeltonikaProtocolDecoder.java @@ -0,0 +1,129 @@ +/* + * Copyright 2013 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.charset.Charset; +import java.util.Date; +import java.util.LinkedList; +import java.util.List; +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.BaseProtocolDecoder; +import org.traccar.ServerManager; +import org.traccar.helper.Log; +import org.traccar.model.Position; + +public class TeltonikaProtocolDecoder extends BaseProtocolDecoder { + + private long deviceId; + + public TeltonikaProtocolDecoder(ServerManager serverManager) { + super(serverManager); + } + + private void parseIdentification(Channel channel, ChannelBuffer buf) { + boolean result = false; + + int length = buf.readUnsignedShort(); + String imei = buf.toString(buf.readerIndex(), length, Charset.defaultCharset()); + try { + deviceId = getDataManager().getDeviceByImei(imei).getId(); + result = true; + } catch(Exception error) { + Log.warning("Unknown device - " + imei); + } + + if (channel != null) { + ChannelBuffer response = ChannelBuffers.directBuffer(1); + response.writeByte(result ? 1 : 0); + channel.write(response); + } + } + + private List parseLocation(Channel channel, ChannelBuffer buf) { + List positions = new LinkedList(); + + buf.skipBytes(4); // marker + buf.readUnsignedInt(); // data length + buf.readUnsignedByte(); // codec + int count = buf.readUnsignedByte(); + + for (int i = 0; i < count; i++) { + Position position = new Position(); + StringBuilder extendedInfo = new StringBuilder("teltonika"); + + position.setTime(new Date(buf.readLong())); + + extendedInfo.append(""); + extendedInfo.append(buf.readUnsignedByte()); + extendedInfo.append(""); + + position.setLongitude(buf.readUnsignedInt() / 10000000.0); + position.setLatitude(buf.readUnsignedInt() / 10000000.0); + position.setAltitude((double) buf.readUnsignedShort()); + position.setCourse((double) buf.readUnsignedShort()); + + extendedInfo.append(""); + int satellites = buf.readUnsignedByte(); + extendedInfo.append(satellites); + extendedInfo.append(""); + + position.setValid(satellites != 0); + + position.setSpeed((double) buf.readUnsignedShort()); + + extendedInfo.append(""); + extendedInfo.append(buf.readUnsignedByte()); + extendedInfo.append(""); + + // Skip IO data + buf.readUnsignedByte(); // total IO data records + buf.skipBytes(buf.readUnsignedByte() * (1 + 1)); + buf.skipBytes(buf.readUnsignedByte() * (1 + 2)); + buf.skipBytes(buf.readUnsignedByte() * (1 + 4)); + buf.skipBytes(buf.readUnsignedByte() * (1 + 8)); + + position.setExtendedInfo(extendedInfo.toString()); + positions.add(position); + } + + if (channel != null) { + ChannelBuffer response = ChannelBuffers.directBuffer(4); + response.writeInt(count); + channel.write(response); + } + + return positions; + } + + @Override + protected Object decode(ChannelHandlerContext ctx, Channel channel, Object msg) + throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + if (buf.getUnsignedShort(0) > 0) { + parseIdentification(channel, buf); + } else { + return parseLocation(channel, buf); + } + + return null; + } + +} -- cgit v1.2.3