diff options
4 files changed, 155 insertions, 0 deletions
diff --git a/setup/default.xml b/setup/default.xml index fbe63c873..b89e3ebef 100644 --- a/setup/default.xml +++ b/setup/default.xml @@ -296,5 +296,6 @@ <entry key='ramac.port'>5251</entry> <entry key='positrex.port'>5252</entry> <entry key='dragino.port'>5253</entry> + <entry key='fleetguide.port'>5254</entry> </properties> 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/test/java/org/traccar/protocol/FleetGuideProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/FleetGuideProtocolDecoderTest.java new file mode 100644 index 000000000..010f0d649 --- /dev/null +++ b/src/test/java/org/traccar/protocol/FleetGuideProtocolDecoderTest.java @@ -0,0 +1,20 @@ +package org.traccar.protocol; + +import org.junit.jupiter.api.Disabled; +import org.junit.jupiter.api.Test; +import org.traccar.ProtocolTest; + +@Disabled +public class FleetGuideProtocolDecoderTest extends ProtocolTest { + + @Test + public void testDecode() throws Exception { + + var decoder = inject(new FleetGuideProtocolDecoder(null)); + + verifyPosition(decoder, binary( + "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")); + + } + +} |