From 59416923dcb3a756eaf532cc4259f2f6625c0762 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sun, 31 Mar 2019 22:35:39 -0700 Subject: Convert project to gradle --- .../org/traccar/protocol/RitiProtocolDecoder.java | 102 +++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 src/main/java/org/traccar/protocol/RitiProtocolDecoder.java (limited to 'src/main/java/org/traccar/protocol/RitiProtocolDecoder.java') diff --git a/src/main/java/org/traccar/protocol/RitiProtocolDecoder.java b/src/main/java/org/traccar/protocol/RitiProtocolDecoder.java new file mode 100644 index 000000000..46267ca90 --- /dev/null +++ b/src/main/java/org/traccar/protocol/RitiProtocolDecoder.java @@ -0,0 +1,102 @@ +/* + * Copyright 2014 - 2018 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.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; +import java.util.regex.Pattern; + +public class RitiProtocolDecoder extends BaseProtocolDecoder { + + public RitiProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .text("$GPRMC,") + .number("(dd)(dd)(dd).?d*,") // time (hhmmss) + .expression("([AV]),") // validity + .number("(dd)(dd.d+),") // latitude + .expression("([NS]),") + .number("(ddd)(dd.d+),") // longitude + .expression("([EW]),") + .number("(d+.?d*)?,") // speed + .number("(d+.?d*)?,") // course + .number("(dd)(dd)(dd)") // date (ddmmyy) + .any() + .compile(); + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + buf.skipBytes(2); // header + + Position position = new Position(getProtocolName()); + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(buf.readUnsignedShort())); + if (deviceSession == null) { + return null; + } + position.setDeviceId(deviceSession.getDeviceId()); + + position.set("mode", buf.readUnsignedByte()); + position.set(Position.KEY_COMMAND, buf.readUnsignedByte()); + position.set(Position.KEY_POWER, buf.readUnsignedShortLE() * 0.001); + + buf.skipBytes(5); // status + buf.readUnsignedShortLE(); // idleCount + buf.readUnsignedShortLE(); // idleTime in seconds + + position.set(Position.KEY_DISTANCE, buf.readUnsignedIntLE()); + position.set(Position.KEY_ODOMETER_TRIP, buf.readUnsignedIntLE()); + + // Parse GPRMC + int end = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '*'); + String gprmc = buf.toString(buf.readerIndex(), end - buf.readerIndex(), StandardCharsets.US_ASCII); + Parser parser = new Parser(PATTERN, gprmc); + if (!parser.matches()) { + return null; + } + + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble(0)); + position.setCourse(parser.nextDouble(0)); + + dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + position.setTime(dateBuilder.getDate()); + + return position; + } + +} -- cgit v1.2.3