From e4e4bad2d525b9a575fd8332441b7463267ee7c1 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Mon, 15 Feb 2016 09:17:57 +1100 Subject: Implement Astra communication protocol --- src/org/traccar/protocol/AstraProtocol.java | 43 ++++++++ src/org/traccar/protocol/AstraProtocolDecoder.java | 119 +++++++++++++++++++++ 2 files changed, 162 insertions(+) create mode 100644 src/org/traccar/protocol/AstraProtocol.java create mode 100644 src/org/traccar/protocol/AstraProtocolDecoder.java (limited to 'src/org/traccar') diff --git a/src/org/traccar/protocol/AstraProtocol.java b/src/org/traccar/protocol/AstraProtocol.java new file mode 100644 index 000000000..d0b1d47a5 --- /dev/null +++ b/src/org/traccar/protocol/AstraProtocol.java @@ -0,0 +1,43 @@ +/* + * 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.LengthFieldBasedFrameDecoder; +import org.traccar.BaseProtocol; +import org.traccar.TrackerServer; + +import java.util.List; + +public class AstraProtocol extends BaseProtocol { + + public AstraProtocol() { + super("astra"); + } + + @Override + public void initTrackerServers(List serverList) { + serverList.add(new TrackerServer(new ServerBootstrap(), this.getName()) { + @Override + protected void addSpecificHandlers(ChannelPipeline pipeline) { + pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1024, 1, 2, -3, 0)); + pipeline.addLast("objectDecoder", new AstraProtocolDecoder(AstraProtocol.this)); + } + }); + } + +} diff --git a/src/org/traccar/protocol/AstraProtocolDecoder.java b/src/org/traccar/protocol/AstraProtocolDecoder.java new file mode 100644 index 000000000..e57533eaf --- /dev/null +++ b/src/org/traccar/protocol/AstraProtocolDecoder.java @@ -0,0 +1,119 @@ +/* + * 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.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; +import org.jboss.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.helper.BitUtil; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Event; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.Charset; +import java.util.LinkedList; +import java.util.List; + +public class AstraProtocolDecoder extends BaseProtocolDecoder { + + public AstraProtocolDecoder(AstraProtocol protocol) { + super(protocol); + } + + public static final int MSG_HEARTBEAT = 0x1A; + public static final int MSG_DATA = 0x10; + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + buf.readUnsignedByte(); // protocol + buf.readUnsignedShort(); // length + + String imei = String.format("%08d", buf.readUnsignedInt()) + String.format("%07d", buf.readUnsignedMedium()); + if (!identify(imei, channel, remoteAddress)) { + return null; + } + + List positions = new LinkedList<>(); + + while (buf.readableBytes() > 2) { + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(getDeviceId()); + + buf.readUnsignedByte(); // index + + position.setLatitude(buf.readInt() * 0.000001); + position.setLongitude(buf.readInt() * 0.000001); + + DateBuilder dateBuilder = new DateBuilder() + .setDate(1980, 1, 6).addMillis(buf.readUnsignedInt() * 1000L); + position.setTime(dateBuilder.getDate()); + + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte() * 2)); + position.setCourse(buf.readUnsignedByte() * 2); + + int reason = buf.readUnsignedMedium(); + int status = buf.readUnsignedShort(); + + position.set(Event.PREFIX_IO + 1, buf.readUnsignedByte()); + position.set(Event.PREFIX_ADC + 1, buf.readUnsignedByte()); + position.set(Event.KEY_BATTERY, buf.readUnsignedByte()); + position.set(Event.KEY_POWER, buf.readUnsignedByte()); + + buf.readUnsignedByte(); // max journey speed + buf.skipBytes(6); // accelerometer + buf.readUnsignedShort(); // journey distance + buf.readUnsignedShort(); // journey idle time + + position.setAltitude(buf.readUnsignedByte() * 20); + + int quality = buf.readUnsignedByte(); + position.set(Event.KEY_SATELLITES, quality & 0xf); + position.set(Event.KEY_GSM, quality >> 4); + + buf.readUnsignedByte(); // geofence events + + if (BitUtil.check(reason, 6) || BitUtil.check(reason, 7)) { + + position.set(Event.KEY_RFID, buf.readBytes(7).toString(Charset.defaultCharset())); + position.set(Event.KEY_ODOMETER, buf.readUnsignedMedium()); + + buf.readUnsignedShort(); // engine time + + } + + if (BitUtil.check(status, 6)) { + + // extra data + + } + + positions.add(position); + + } + + return positions; + } + +} -- cgit v1.2.3