From 3b3ffac17aadd53dda2476350b5ab0017c2cfaa9 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Tue, 15 Dec 2015 21:26:55 +1300 Subject: Implement ThinkRace communication protocol --- src/org/traccar/protocol/ThinkRaceProtocol.java | 43 +++++++++ .../traccar/protocol/ThinkRaceProtocolDecoder.java | 106 +++++++++++++++++++++ 2 files changed, 149 insertions(+) create mode 100644 src/org/traccar/protocol/ThinkRaceProtocol.java create mode 100644 src/org/traccar/protocol/ThinkRaceProtocolDecoder.java (limited to 'src/org/traccar') diff --git a/src/org/traccar/protocol/ThinkRaceProtocol.java b/src/org/traccar/protocol/ThinkRaceProtocol.java new file mode 100644 index 000000000..c9d6c7fc1 --- /dev/null +++ b/src/org/traccar/protocol/ThinkRaceProtocol.java @@ -0,0 +1,43 @@ +/* + * Copyright 2015 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 ThinkRaceProtocol extends BaseProtocol { + + public ThinkRaceProtocol() { + super("thinkrace"); + } + + @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, 2 + 12 + 1 + 1, 2, 2, 0)); + pipeline.addLast("objectDecoder", new ThinkRaceProtocolDecoder(ThinkRaceProtocol.this)); + } + }); + } + +} diff --git a/src/org/traccar/protocol/ThinkRaceProtocolDecoder.java b/src/org/traccar/protocol/ThinkRaceProtocolDecoder.java new file mode 100644 index 000000000..a5a1ef784 --- /dev/null +++ b/src/org/traccar/protocol/ThinkRaceProtocolDecoder.java @@ -0,0 +1,106 @@ +/* + * Copyright 2015 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.model.Event; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.Charset; +import java.util.Date; + +public class ThinkRaceProtocolDecoder extends BaseProtocolDecoder { + + public ThinkRaceProtocolDecoder(ThinkRaceProtocol protocol) { + super(protocol); + } + + public static final int MSG_LOGIN = 0x80; + public static final int MSG_GPS = 0x90; + + private static double convertCoordinate(long raw, boolean negative) { + double result = raw / 1000000; + result += (raw % 1000000) * 0.0001 / 60; + if (negative) { + result = -result; + } + return result; + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + buf.skipBytes(2); // header + ChannelBuffer id = buf.readBytes(12); + buf.readUnsignedByte(); // separator + int type = buf.readUnsignedByte(); + buf.readUnsignedShort(); // length + + if (type == MSG_LOGIN) { + + int command = buf.readUnsignedByte(); // 0x00 - heartbeat + + if (command == 0x01) { + String imei = buf.toString(buf.readerIndex(), 15, Charset.defaultCharset()); + if (identify(imei, channel, remoteAddress) && channel != null) { + ChannelBuffer response = ChannelBuffers.dynamicBuffer(); + response.writeByte(0x48); response.writeByte(0x52); // header + response.writeBytes(id); + response.writeByte(0x2c); // separator + response.writeByte(type); + response.writeShort(0x0002); // length + response.writeShort(0x8000); + response.writeShort(0x0000); // checksum + channel.write(response); + } + } + + } else if (hasDeviceId() && type == MSG_GPS) { + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(getDeviceId()); + + position.setTime(new Date(buf.readUnsignedInt() * 1000)); + + int flags = buf.readUnsignedByte(); + + position.setValid(true); + position.setLatitude(convertCoordinate(buf.readUnsignedInt(), !BitUtil.check(flags, 0))); + position.setLongitude(convertCoordinate(buf.readUnsignedInt(), !BitUtil.check(flags, 1))); + + position.setSpeed(buf.readUnsignedByte()); + position.setCourse(buf.readUnsignedByte()); + + position.set(Event.KEY_LAC, buf.readUnsignedShort()); + position.set(Event.KEY_CID, buf.readUnsignedShort()); + + return position; + + } + + return null; + } + +} -- cgit v1.2.3