diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol')
3 files changed, 135 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/FleetGuideProtocol.java b/src/main/java/org/traccar/protocol/FleetGuideProtocol.java new file mode 100644 index 000000000..46611c25c --- /dev/null +++ b/src/main/java/org/traccar/protocol/FleetGuideProtocol.java @@ -0,0 +1,36 @@ +/* + * Copyright 2024 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 jakarta.inject.Inject; +import org.traccar.BaseProtocol; +import org.traccar.PipelineBuilder; +import org.traccar.TrackerServer; +import org.traccar.config.Config; + +public class FleetGuideProtocol extends BaseProtocol { + + @Inject + public FleetGuideProtocol(Config config) { + addServer(new TrackerServer(config, getName(), true) { + @Override + protected void addProtocolHandlers(PipelineBuilder pipeline, Config config) { + pipeline.addLast(new FleetGuideProtocolDecoder(FleetGuideProtocol.this)); + } + }); + } + +} diff --git a/src/main/java/org/traccar/protocol/FleetGuideProtocolDecoder.java b/src/main/java/org/traccar/protocol/FleetGuideProtocolDecoder.java new file mode 100644 index 000000000..d63187921 --- /dev/null +++ b/src/main/java/org/traccar/protocol/FleetGuideProtocolDecoder.java @@ -0,0 +1,98 @@ +/* + * Copyright 2024 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 org.traccar.BaseProtocolDecoder; +import org.traccar.Protocol; +import org.traccar.helper.BitUtil; +import org.traccar.session.DeviceSession; + +import java.lang.reflect.Method; +import java.net.SocketAddress; + +public class FleetGuideProtocolDecoder extends BaseProtocolDecoder { + + public FleetGuideProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_DATA = 0x10; + public static final int MSG_HEARTBEAT = 0x1A; + public static final int MSG_RESPONSE = 0x1C; + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + buf.readUnsignedByte(); // signature + int options = buf.readUnsignedShort(); + int length = BitUtil.to(options, 11); + + DeviceSession deviceSession; + if (BitUtil.check(options, 11)) { + deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(buf.readUnsignedInt())); + } else { + deviceSession = getDeviceSession(channel, remoteAddress); + } + if (deviceSession == null) { + return null; + } + + int type; + if (BitUtil.check(options, 12)) { + type = BitUtil.to(buf.readUnsignedByte(), 4); + } else { + type = 0; + } + + if (BitUtil.check(options, 13)) { + buf.readUnsignedShort(); // acknowledgement + } + + ByteBuf data; + if (BitUtil.check(options, 14)) { + data = decompress(buf.readSlice(length)); + } else { + data = buf.readRetainedSlice(length); + } + + data.release(); + + return null; + } + + private ByteBuf decompress(ByteBuf input) throws ReflectiveOperationException { + + Class<?> clazz = Class.forName("io.netty.handler.codec.compression.FastLz"); + Method method = clazz.getDeclaredMethod( + "decompress", ByteBuf.class, int.class, int.class, ByteBuf.class, int.class, int.class); + + ByteBuf output = Unpooled.buffer(); + int result = (Integer) method.invoke( + null, input, input.readerIndex(), input.readableBytes(), output, 0, Integer.MAX_VALUE); + if (result <= 0) { + throw new IllegalArgumentException("FastLz decompression failed"); + } + + return output; + } + +} diff --git a/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java b/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java index 55b3c900f..402262348 100644 --- a/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java @@ -163,7 +163,7 @@ public class RuptelaProtocolDecoder extends BaseProtocolDecoder { position.set(Position.KEY_OBD_SPEED, readValue(buf, length, true)); break; case 98: - position.set("fuelRate", readValue(buf, length, true) * 100 / 255.0); + position.set(Position.KEY_FUEL_LEVEL, readValue(buf, length, true) * 100 / 255.0); break; case 100: position.set(Position.KEY_FUEL_CONSUMPTION, readValue(buf, length, true) / 20.0); |