diff options
Diffstat (limited to 'src/main/java/org/traccar')
3 files changed, 228 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/WliFrameDecoder.java b/src/main/java/org/traccar/protocol/WliFrameDecoder.java new file mode 100644 index 000000000..d918be1c3 --- /dev/null +++ b/src/main/java/org/traccar/protocol/WliFrameDecoder.java @@ -0,0 +1,60 @@ +/* + * Copyright 2020 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 io.netty.buffer.ByteBuf; +import io.netty.buffer.Unpooled; +import io.netty.channel.Channel; +import io.netty.channel.ChannelHandlerContext; +import org.traccar.BaseFrameDecoder; + +public class WliFrameDecoder extends BaseFrameDecoder { + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception { + + if (buf.readableBytes() < 2) { + return null; + } + + int index = buf.indexOf(buf.readerIndex() + 1, buf.writerIndex(), (byte) 0x03); + if (index != -1) { + ByteBuf result = Unpooled.buffer(index + 1 - buf.readerIndex()); + + while (buf.readerIndex() <= index) { + int b = buf.readUnsignedByte(); + if (b == 0xDB) { + int ext = buf.readUnsignedByte(); + if (ext == 0xD2) { + result.writeByte(0x02); + } else if (ext == 0xD3) { + result.writeByte(0x03); + } else if (ext == 0xDD) { + result.writeByte(0xDB); + } + } else { + result.writeByte(b); + } + } + + return result; + } + + return null; + } + +} diff --git a/src/main/java/org/traccar/protocol/WliProtocol.java b/src/main/java/org/traccar/protocol/WliProtocol.java new file mode 100644 index 000000000..6573572d3 --- /dev/null +++ b/src/main/java/org/traccar/protocol/WliProtocol.java @@ -0,0 +1,34 @@ +/* + * Copyright 2020 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.traccar.BaseProtocol; +import org.traccar.PipelineBuilder; +import org.traccar.TrackerServer; + +public class WliProtocol extends BaseProtocol { + + public WliProtocol() { + addServer(new TrackerServer(false, getName()) { + @Override + protected void addProtocolHandlers(PipelineBuilder pipeline) { + pipeline.addLast(new WliFrameDecoder()); + pipeline.addLast(new Gt02ProtocolDecoder(WliProtocol.this)); + } + }); + } + +} diff --git a/src/main/java/org/traccar/protocol/WliProtocolDecoder.java b/src/main/java/org/traccar/protocol/WliProtocolDecoder.java new file mode 100644 index 000000000..fb3d076c1 --- /dev/null +++ b/src/main/java/org/traccar/protocol/WliProtocolDecoder.java @@ -0,0 +1,134 @@ +/* + * Copyright 2020 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 io.netty.buffer.ByteBuf; +import io.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +import org.traccar.helper.DateBuilder; +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 WliProtocolDecoder extends BaseProtocolDecoder { + + public WliProtocolDecoder(Protocol protocol) { + super(protocol); + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + buf.readUnsignedByte(); // header + int type = buf.readUnsignedByte(); + + if (type == '1') { + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); + if (deviceSession == null) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.set(Position.KEY_INDEX, buf.readUnsignedShort()); + + buf.readUnsignedShort(); // length + buf.readUnsignedShort(); // checksum + buf.readUnsignedByte(); // application message type + buf.readUnsignedByte(); // delimiter + + while (buf.readableBytes() > 1) { + + int fieldNumber = buf.readUnsignedByte(); + + buf.readUnsignedByte(); // delimiter + + if (buf.getUnsignedByte(buf.readerIndex()) == 0xFF) { + + buf.readUnsignedByte(); // binary type indication + int endIndex = buf.readUnsignedShort() + buf.readerIndex(); + + if (fieldNumber == 52) { + position.setValid(true); + buf.readUnsignedByte(); // reason + buf.readUnsignedByte(); // century + DateBuilder dateBuilder = new DateBuilder() + .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()) + .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()); + position.setFixTime(dateBuilder.getDate()); + position.setLatitude(buf.readInt() / 600000.0); + position.setLongitude(buf.readInt() / 600000.0); + position.setSpeed(buf.readUnsignedShort()); + position.setCourse(buf.readUnsignedShort() * 0.1); + position.set(Position.KEY_ODOMETER, UnitsConverter.metersFromFeet(buf.readUnsignedInt())); + position.setAltitude(buf.readInt() * 0.1); + } + + buf.readerIndex(endIndex); + + } else { + + int endIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0); + String value = buf.readCharSequence( + endIndex - buf.readerIndex(), StandardCharsets.US_ASCII).toString(); + + switch (fieldNumber) { + case 246: + String[] values = value.split(","); + position.set(Position.KEY_POWER, Integer.parseInt(values[2]) * 0.01); + position.set(Position.KEY_BATTERY, Integer.parseInt(values[3]) * 0.01); + break; + case 255: + position.setDeviceTime(new Date(Long.parseLong(value) * 1000)); + break; + default: + break; + } + + } + + buf.readUnsignedByte(); // delimiter + + } + + if (!position.getValid()) { + getLastLocation(position, position.getDeviceTime()); + } + + return position; + + } else if (type == '2') { + + String id = buf.toString(buf.readerIndex(), buf.readableBytes() - 1, StandardCharsets.US_ASCII); + getDeviceSession(channel, remoteAddress, id); + return null; + + } + + return null; + } + +} |