From fb60f434eccef5e4d0f9e3e9eca75ca73d01d2bd Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sun, 31 Oct 2021 15:44:55 -0700 Subject: Support Teltonika Dualcam protocol --- .../org/traccar/protocol/DualcamFrameDecoder.java | 49 ++++++++ .../java/org/traccar/protocol/DualcamProtocol.java | 34 ++++++ .../traccar/protocol/DualcamProtocolDecoder.java | 124 +++++++++++++++++++++ .../traccar/protocol/DualcamFrameDecoderTest.java | 23 ++++ .../protocol/DualcamProtocolDecoderTest.java | 27 +++++ 5 files changed, 257 insertions(+) create mode 100644 src/main/java/org/traccar/protocol/DualcamFrameDecoder.java create mode 100644 src/main/java/org/traccar/protocol/DualcamProtocol.java create mode 100644 src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java create mode 100644 src/test/java/org/traccar/protocol/DualcamFrameDecoderTest.java create mode 100644 src/test/java/org/traccar/protocol/DualcamProtocolDecoderTest.java (limited to 'src') diff --git a/src/main/java/org/traccar/protocol/DualcamFrameDecoder.java b/src/main/java/org/traccar/protocol/DualcamFrameDecoder.java new file mode 100644 index 000000000..312d43f19 --- /dev/null +++ b/src/main/java/org/traccar/protocol/DualcamFrameDecoder.java @@ -0,0 +1,49 @@ +/* + * Copyright 2021 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 io.netty.channel.ChannelHandlerContext; +import org.traccar.BaseFrameDecoder; + +public class DualcamFrameDecoder extends BaseFrameDecoder { + + private static final int MESSAGE_MINIMUM_LENGTH = 4; + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception { + + if (buf.readableBytes() < MESSAGE_MINIMUM_LENGTH) { + return null; + } + + int length; + if (buf.getUnsignedShort(buf.readerIndex()) == 0) { + length = 16; + } else { + length = 4 + buf.getUnsignedShort(buf.readerIndex() + 2); + } + + if (buf.readableBytes() >= length) { + return buf.readRetainedSlice(length); + } + + return null; + } + +} diff --git a/src/main/java/org/traccar/protocol/DualcamProtocol.java b/src/main/java/org/traccar/protocol/DualcamProtocol.java new file mode 100644 index 000000000..9f8d6778e --- /dev/null +++ b/src/main/java/org/traccar/protocol/DualcamProtocol.java @@ -0,0 +1,34 @@ +/* + * Copyright 2021 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 DualcamProtocol extends BaseProtocol { + + public DualcamProtocol() { + addServer(new TrackerServer(false, getName()) { + @Override + protected void addProtocolHandlers(PipelineBuilder pipeline) { + pipeline.addLast(new DualcamProtocolDecoder(DualcamProtocol.this)); + pipeline.addLast(new DishaProtocolDecoder(DualcamProtocol.this)); + } + }); + } + +} diff --git a/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java b/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java new file mode 100644 index 000000000..4647e287c --- /dev/null +++ b/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java @@ -0,0 +1,124 @@ +/* + * Copyright 2021 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.Context; +import org.traccar.DeviceSession; +import org.traccar.NetworkMessage; +import org.traccar.Protocol; +import org.traccar.helper.BitUtil; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; + +public class DualcamProtocolDecoder extends BaseProtocolDecoder { + + public DualcamProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_INIT = 0; + public static final int MSG_START = 1; + public static final int MSG_RESUME = 2; + public static final int MSG_SYNC = 3; + public static final int MSG_DATA = 4; + public static final int MSG_COMPLETE = 5; + public static final int MSG_FILE_REQUEST = 8; + public static final int MSG_INIT_REQUEST = 9; + + private String uniqueId; + private int packetCount; + private int currentPacket; + private ByteBuf photo; + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + int type = buf.readUnsignedShort(); + + switch (type) { + case MSG_INIT: + buf.readUnsignedShort(); // protocol id + uniqueId = String.valueOf(buf.readLong()); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, uniqueId); + long settings = buf.readUnsignedInt(); + if (channel != null && deviceSession != null) { + if (BitUtil.check(settings, 26)) { + ByteBuf response = Unpooled.buffer(); + response.writeShort(MSG_FILE_REQUEST); + String file = "%photof"; + response.writeShort(file.length()); + response.writeCharSequence(file, StandardCharsets.US_ASCII); + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } else { + ByteBuf response = Unpooled.buffer(); + response.writeShort(MSG_COMPLETE); + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } + } + break; + case MSG_START: + buf.readUnsignedShort(); // length + packetCount = buf.readInt(); + currentPacket = 1; + photo = Unpooled.buffer(); + if (channel != null) { + ByteBuf response = Unpooled.buffer(); + response.writeShort(MSG_RESUME); + response.writeShort(4); + response.writeInt(currentPacket); + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } + break; + case MSG_DATA: + buf.readUnsignedShort(); // length + photo.writeBytes(buf, buf.readableBytes()); + if (currentPacket == packetCount) { + deviceSession = getDeviceSession(channel, remoteAddress); + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + getLastLocation(position, null); + try { + position.set(Position.KEY_IMAGE, Context.getMediaManager().writeFile(uniqueId, photo, "jpg")); + } finally { + photo.release(); + photo = null; + } + if (channel != null) { + ByteBuf response = Unpooled.buffer(); + response.writeShort(MSG_INIT_REQUEST); + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } + } else { + currentPacket += 1; + } + break; + default: + break; + } + + return null; + } + +} diff --git a/src/test/java/org/traccar/protocol/DualcamFrameDecoderTest.java b/src/test/java/org/traccar/protocol/DualcamFrameDecoderTest.java new file mode 100644 index 000000000..46f32a8ae --- /dev/null +++ b/src/test/java/org/traccar/protocol/DualcamFrameDecoderTest.java @@ -0,0 +1,23 @@ +package org.traccar.protocol; + +import org.junit.Test; +import org.traccar.ProtocolTest; + +public class DualcamFrameDecoderTest extends ProtocolTest { + + @Test + public void testDecode() throws Exception { + + var decoder = new DualcamFrameDecoder(); + + verifyFrame( + binary("000000050001403a4abaa31444000400"), + decoder.decode(null, null, binary("000000050001403a4abaa31444000400"))); + + verifyFrame( + binary("00010006000000110000"), + decoder.decode(null, null, binary("00010006000000110000"))); + + } + +} diff --git a/src/test/java/org/traccar/protocol/DualcamProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/DualcamProtocolDecoderTest.java new file mode 100644 index 000000000..3dd11bdf7 --- /dev/null +++ b/src/test/java/org/traccar/protocol/DualcamProtocolDecoderTest.java @@ -0,0 +1,27 @@ +package org.traccar.protocol; + +import org.junit.Test; +import org.traccar.ProtocolTest; + +public class DualcamProtocolDecoderTest extends ProtocolTest { + + @Test + public void testDecode() throws Exception { + + var decoder = new DualcamProtocolDecoder(null); + + verifyNull(decoder, binary( + "000000050001403a4abaa31444000400")); + + verifyNull(decoder, binary( + "00010006000000110000")); + + verifyNull(decoder, binary( + "0003000400000001")); + + verifyNull(decoder, binary( + "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")); + + } + +} -- cgit v1.2.3