From 08cc944644cee5ce745a9faae0866b206c575407 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sat, 15 Jul 2017 14:01:52 +1200 Subject: Implement binary GL200 protocol --- .../protocol/Gl200BinaryProtocolDecoder.java | 103 +++++++++++++++++++++ src/org/traccar/protocol/Gl200Protocol.java | 5 +- src/org/traccar/protocol/Gl200ProtocolDecoder.java | 48 ++++++++++ 3 files changed, 153 insertions(+), 3 deletions(-) create mode 100644 src/org/traccar/protocol/Gl200BinaryProtocolDecoder.java create mode 100644 src/org/traccar/protocol/Gl200ProtocolDecoder.java (limited to 'src') diff --git a/src/org/traccar/protocol/Gl200BinaryProtocolDecoder.java b/src/org/traccar/protocol/Gl200BinaryProtocolDecoder.java new file mode 100644 index 000000000..cb0417528 --- /dev/null +++ b/src/org/traccar/protocol/Gl200BinaryProtocolDecoder.java @@ -0,0 +1,103 @@ +/* + * 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.DateBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.CellTower; +import org.traccar.model.Network; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; + +public class Gl200BinaryProtocolDecoder extends BaseProtocolDecoder { + + public Gl200BinaryProtocolDecoder(Gl200Protocol protocol) { + super(protocol); + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + String header = buf.readBytes(4).toString(StandardCharsets.US_ASCII); + + if (header.equals("+EVT")) { + + Position position = new Position(); + position.setProtocol(getProtocolName()); + + buf.readUnsignedByte(); // message type + + buf.readUnsignedInt(); // mask + + buf.readUnsignedShort(); // length + buf.readUnsignedByte(); // device type + buf.readUnsignedShort(); // protocol version + + position.set(Position.KEY_VERSION_FW, String.valueOf(buf.readUnsignedShort())); + + DeviceSession deviceSession = getDeviceSession( + channel, remoteAddress, String.format("%015d", buf.readLong())); + if (deviceSession == null) { + return null; + } + position.setDeviceId(deviceSession.getDeviceId()); + + position.set(Position.KEY_BATTERY_LEVEL, buf.readUnsignedByte()); + position.set(Position.KEY_POWER, buf.readUnsignedShort()); + + buf.readUnsignedByte(); // motion status + + position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); + position.set(Position.KEY_INDEX, buf.readUnsignedByte()); + + int hdop = buf.readUnsignedByte(); + position.setValid(hdop > 0); + position.set(Position.KEY_HDOP, hdop); + + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedMedium())); + position.setCourse(buf.readUnsignedShort()); + position.setAltitude(buf.readShort()); + position.setLongitude(buf.readInt() * 0.000001); + position.setLatitude(buf.readInt() * 0.000001); + + DateBuilder dateBuilder = new DateBuilder() + .setDate(buf.readUnsignedShort(), buf.readUnsignedByte(), buf.readUnsignedByte()) + .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()); + position.setTime(dateBuilder.getDate()); + + position.setNetwork(new Network(CellTower.from( + buf.readUnsignedShort(), buf.readUnsignedShort(), + buf.readUnsignedShort(), buf.readUnsignedShort()))); + + buf.readUnsignedByte(); // reserved + + return position; + + } + + return null; + } + +} diff --git a/src/org/traccar/protocol/Gl200Protocol.java b/src/org/traccar/protocol/Gl200Protocol.java index dbcbf61c0..799d7fe36 100644 --- a/src/org/traccar/protocol/Gl200Protocol.java +++ b/src/org/traccar/protocol/Gl200Protocol.java @@ -18,7 +18,6 @@ package org.traccar.protocol; import org.jboss.netty.bootstrap.ConnectionlessBootstrap; import org.jboss.netty.bootstrap.ServerBootstrap; import org.jboss.netty.channel.ChannelPipeline; -import org.jboss.netty.handler.codec.string.StringDecoder; import org.jboss.netty.handler.codec.string.StringEncoder; import org.traccar.BaseProtocol; import org.traccar.TrackerServer; @@ -46,7 +45,7 @@ public class Gl200Protocol extends BaseProtocol { pipeline.addLast("frameDecoder", new Gl200FrameDecoder()); pipeline.addLast("stringEncoder", new StringEncoder()); pipeline.addLast("objectEncoder", new Gl200ProtocolEncoder()); - pipeline.addLast("objectDecoder", new Gl200TextProtocolDecoder(Gl200Protocol.this)); + pipeline.addLast("objectDecoder", new Gl200ProtocolDecoder(Gl200Protocol.this)); } }); serverList.add(new TrackerServer(new ConnectionlessBootstrap(), getName()) { @@ -54,7 +53,7 @@ public class Gl200Protocol extends BaseProtocol { protected void addSpecificHandlers(ChannelPipeline pipeline) { pipeline.addLast("stringEncoder", new StringEncoder()); pipeline.addLast("objectEncoder", new Gl200ProtocolEncoder()); - pipeline.addLast("objectDecoder", new Gl200TextProtocolDecoder(Gl200Protocol.this)); + pipeline.addLast("objectDecoder", new Gl200ProtocolDecoder(Gl200Protocol.this)); } }); } diff --git a/src/org/traccar/protocol/Gl200ProtocolDecoder.java b/src/org/traccar/protocol/Gl200ProtocolDecoder.java new file mode 100644 index 000000000..0de7bb926 --- /dev/null +++ b/src/org/traccar/protocol/Gl200ProtocolDecoder.java @@ -0,0 +1,48 @@ +/* + * 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 java.net.SocketAddress; + +public class Gl200ProtocolDecoder extends BaseProtocolDecoder { + + private final Gl200TextProtocolDecoder textProtocolDecoder; + private final Gl200BinaryProtocolDecoder binaryProtocolDecoder; + + public Gl200ProtocolDecoder(Gl200Protocol protocol) { + super(protocol); + textProtocolDecoder = new Gl200TextProtocolDecoder(protocol); + binaryProtocolDecoder = new Gl200BinaryProtocolDecoder(protocol); + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + if (Gl200FrameDecoder.isBinary(buf)) { + return binaryProtocolDecoder.decode(channel, remoteAddress, msg); + } else { + return textProtocolDecoder.decode(channel, remoteAddress, msg); + } + } + +} -- cgit v1.2.3