From 7ee3f22184bfe4ed61f6a0eaf2f52116ac02b2ee Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sat, 28 Oct 2017 18:20:08 +1300 Subject: Implement Recoda protocol --- src/org/traccar/protocol/RecodaProtocol.java | 46 +++++++++ .../traccar/protocol/RecodaProtocolDecoder.java | 110 +++++++++++++++++++++ 2 files changed, 156 insertions(+) create mode 100644 src/org/traccar/protocol/RecodaProtocol.java create mode 100644 src/org/traccar/protocol/RecodaProtocolDecoder.java (limited to 'src/org') diff --git a/src/org/traccar/protocol/RecodaProtocol.java b/src/org/traccar/protocol/RecodaProtocol.java new file mode 100644 index 000000000..daf167fd9 --- /dev/null +++ b/src/org/traccar/protocol/RecodaProtocol.java @@ -0,0 +1,46 @@ +/* + * Copyright 2017 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.LengthFieldBasedFrameDecoder; +import org.traccar.BaseProtocol; +import org.traccar.TrackerServer; + +import java.nio.ByteOrder; +import java.util.List; + +public class RecodaProtocol extends BaseProtocol { + + public RecodaProtocol() { + super("recoda"); + } + + @Override + public void initTrackerServers(List serverList) { + TrackerServer server = new TrackerServer(new ServerBootstrap(), getName()) { + @Override + protected void addSpecificHandlers(ChannelPipeline pipeline) { + pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1024, 4, 4, -8, 0)); + pipeline.addLast("objectDecoder", new RecodaProtocolDecoder(RecodaProtocol.this)); + } + }; + server.setEndianness(ByteOrder.LITTLE_ENDIAN); + serverList.add(server); + } + +} diff --git a/src/org/traccar/protocol/RecodaProtocolDecoder.java b/src/org/traccar/protocol/RecodaProtocolDecoder.java new file mode 100644 index 000000000..8db582d35 --- /dev/null +++ b/src/org/traccar/protocol/RecodaProtocolDecoder.java @@ -0,0 +1,110 @@ +/* + * Copyright 2017 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.buffer.ChannelBuffer; +import org.jboss.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.helper.BitUtil; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; +import java.util.Date; + +public class RecodaProtocolDecoder extends BaseProtocolDecoder { + + public RecodaProtocolDecoder(RecodaProtocol protocol) { + super(protocol); + } + + public static final int MSG_HEARTBEAT = 0x00001001; + public static final int MSG_REQUEST_RESPONSE = 0x20000001; + public static final int MSG_SIGNAL_LINK_REGISTRATION = 0x20001001; + public static final int MSG_EVENT_NOTICE = 0x20002001; + public static final int MSG_GPS_DATA = 0x20001011; + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + int type = buf.readInt(); + buf.readUnsignedInt(); // length + + if (type != MSG_HEARTBEAT) { + buf.readUnsignedShort(); // version + buf.readUnsignedShort(); // index + } + + if (type == MSG_SIGNAL_LINK_REGISTRATION) { + + getDeviceSession(channel, remoteAddress, buf.readBytes(12).toString(StandardCharsets.US_ASCII)); + + } else if (type == MSG_GPS_DATA) { + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); + if (deviceSession == null) { + return null; + } + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setTime(new Date(buf.readLong())); + + int flags = buf.readUnsignedByte(); + + if (BitUtil.check(flags, 0)) { + + buf.readUnsignedShort(); // declination + + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort())); + + position.setLongitude(buf.readUnsignedByte() + buf.readUnsignedByte() / 60.0); + position.setLatitude(buf.readUnsignedByte() + buf.readUnsignedByte() / 60.0); + + position.setLongitude(position.getLongitude() + buf.readUnsignedInt() / 3600.0); + position.setLatitude(position.getLatitude() + buf.readUnsignedInt() / 3600.0); + + int status = buf.readUnsignedByte(); + + position.setValid(BitUtil.check(status, 0)); + if (BitUtil.check(status, 1)) { + position.setLongitude(-position.getLongitude()); + } + if (!BitUtil.check(status, 2)) { + position.setLatitude(-position.getLatitude()); + } + + } else { + + getLastLocation(position, position.getDeviceTime()); + + } + + return position; + + } + + return null; + } + +} -- cgit v1.2.3