From 77980d05fa389d77ddd4e52720394406d79c8e49 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sun, 23 May 2021 17:47:47 -0700 Subject: Add flexible report protocol --- .../traccar/protocol/FlexibleReportProtocol.java | 33 +++++ .../protocol/FlexibleReportProtocolDecoder.java | 151 +++++++++++++++++++++ 2 files changed, 184 insertions(+) create mode 100644 src/main/java/org/traccar/protocol/FlexibleReportProtocol.java create mode 100644 src/main/java/org/traccar/protocol/FlexibleReportProtocolDecoder.java (limited to 'src/main/java') diff --git a/src/main/java/org/traccar/protocol/FlexibleReportProtocol.java b/src/main/java/org/traccar/protocol/FlexibleReportProtocol.java new file mode 100644 index 000000000..0cd55343a --- /dev/null +++ b/src/main/java/org/traccar/protocol/FlexibleReportProtocol.java @@ -0,0 +1,33 @@ +/* + * 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 FlexibleReportProtocol extends BaseProtocol { + + public FlexibleReportProtocol() { + addServer(new TrackerServer(true, getName()) { + @Override + protected void addProtocolHandlers(PipelineBuilder pipeline) { + pipeline.addLast(new FlexibleReportProtocolDecoder(FlexibleReportProtocol.this)); + } + }); + } + +} diff --git a/src/main/java/org/traccar/protocol/FlexibleReportProtocolDecoder.java b/src/main/java/org/traccar/protocol/FlexibleReportProtocolDecoder.java new file mode 100644 index 000000000..44a2ae6e1 --- /dev/null +++ b/src/main/java/org/traccar/protocol/FlexibleReportProtocolDecoder.java @@ -0,0 +1,151 @@ +/* + * 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.ByteBufUtil; +import io.netty.buffer.Unpooled; +import io.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.NetworkMessage; +import org.traccar.Protocol; +import org.traccar.helper.BitUtil; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.Date; + +public class FlexibleReportProtocolDecoder extends BaseProtocolDecoder { + + public FlexibleReportProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_GENERAL = 0x00; + + private void sendResponse(Channel channel, SocketAddress remoteAddress, int index) { + if (channel != null) { + ByteBuf response = Unpooled.buffer(); + response.writeByte(0x7E); // header + response.writeShort(2); // length + response.writeByte(0xE0); + response.writeByte(BitUtil.check(index, 0) ? 0x4F : 0x0F); + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + buf.readUnsignedByte(); // header + int flags = buf.readUnsignedByte(); + + String imei = ByteBufUtil.hexDump(buf.readSlice(8)).substring(1); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei); + if (deviceSession == null) { + return null; + } + + int index = buf.readUnsignedShort(); + + if (BitUtil.to(flags, 2) > 0) { + sendResponse(channel, remoteAddress, index); + } + + Date time = new Date(buf.readUnsignedInt() * 1000); + int event = buf.readUnsignedByte(); + + buf.readUnsignedByte(); // length + + int type = buf.readUnsignedByte(); + + if (type == MSG_GENERAL) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setDeviceTime(time); + + position.set(Position.KEY_EVENT, event); + + buf.readUnsignedByte(); // length + long mask = buf.readUnsignedInt(); + + if (BitUtil.check(mask, 0)) { + buf.readUnsignedByte(); // product id + } + if (BitUtil.check(mask, 1)) { + position.setFixTime(new Date(buf.readUnsignedInt() * 1000)); + } + if (BitUtil.check(mask, 2)) { + position.setValid(true); + position.setLatitude(buf.readUnsignedInt() / 1000000.0 - 90); + position.setLongitude(buf.readUnsignedInt() / 1000000.0 - 180); + } + if (BitUtil.check(mask, 3)) { + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte())); + position.setCourse(buf.readUnsignedShort()); + } + if (BitUtil.check(mask, 4)) { + position.setAltitude(buf.readShort()); + } + if (BitUtil.check(mask, 5)) { + buf.readUnsignedShort(); // gps accuracy + } + if (BitUtil.check(mask, 6)) { + position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.01); + } + if (BitUtil.check(mask, 7)) { + position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.01); + } + if (BitUtil.check(mask, 8)) { + position.set("auxPower", buf.readUnsignedShort() * 0.01); + } + if (BitUtil.check(mask, 9)) { + position.set("solarPower", buf.readUnsignedShort() * 0.01); + } + if (BitUtil.check(mask, 10)) { + buf.skipBytes(5); // cell info + } + if (BitUtil.check(mask, 11)) { + buf.readUnsignedByte(); // rssi + } + if (BitUtil.check(mask, 12)) { + position.set(Position.PREFIX_IO + 1, buf.readUnsignedByte()); + } + if (BitUtil.check(mask, 13)) { + position.set(Position.PREFIX_IO + 2, buf.readUnsignedByte()); + } + if (BitUtil.check(mask, 14)) { + position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000); + } + if (BitUtil.check(mask, 15)) { + position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedShort() * 0.01); + } + + return position; + + } + + return null; + } + +} -- cgit v1.2.3