diff options
Diffstat (limited to 'src/org/traccar/protocol/Jt600ProtocolDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/Jt600ProtocolDecoder.java | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/src/org/traccar/protocol/Jt600ProtocolDecoder.java b/src/org/traccar/protocol/Jt600ProtocolDecoder.java deleted file mode 100644 index f76fd8069..000000000 --- a/src/org/traccar/protocol/Jt600ProtocolDecoder.java +++ /dev/null @@ -1,313 +0,0 @@ -/* - * Copyright 2012 - 2017 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.jboss.netty.buffer.ChannelBuffer; -import org.jboss.netty.buffer.ChannelBuffers; -import org.jboss.netty.channel.Channel; -import org.traccar.BaseProtocolDecoder; -import org.traccar.DeviceSession; -import org.traccar.helper.BcdUtil; -import org.traccar.helper.BitUtil; -import org.traccar.helper.DateBuilder; -import org.traccar.helper.Parser; -import org.traccar.helper.PatternBuilder; -import org.traccar.helper.UnitsConverter; -import org.traccar.model.CellTower; -import org.traccar.model.Network; -import org.traccar.model.Position; - -import java.net.SocketAddress; -import java.nio.charset.StandardCharsets; -import java.util.LinkedList; -import java.util.List; -import java.util.regex.Pattern; - -public class Jt600ProtocolDecoder extends BaseProtocolDecoder { - - public Jt600ProtocolDecoder(Jt600Protocol protocol) { - super(protocol); - } - - private static double convertCoordinate(int raw) { - int degrees = raw / 1000000; - double minutes = (raw % 1000000) / 10000.0; - return degrees + minutes / 60; - } - - private List<Position> decodeBinary(ChannelBuffer buf, Channel channel, SocketAddress remoteAddress) { - - List<Position> positions = new LinkedList<>(); - - buf.readByte(); // header - - boolean longFormat = buf.getUnsignedByte(buf.readerIndex()) == 0x75; - - String id = String.valueOf(Long.parseLong(ChannelBuffers.hexDump(buf.readBytes(5)))); - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id); - if (deviceSession == null) { - return null; - } - - if (longFormat) { - buf.readUnsignedByte(); // protocol - } - - int version = BitUtil.from(buf.readUnsignedByte(), 4); - buf.readUnsignedShort(); // length - - while (buf.readableBytes() > 1) { - - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - DateBuilder dateBuilder = new DateBuilder() - .setDay(BcdUtil.readInteger(buf, 2)) - .setMonth(BcdUtil.readInteger(buf, 2)) - .setYear(BcdUtil.readInteger(buf, 2)) - .setHour(BcdUtil.readInteger(buf, 2)) - .setMinute(BcdUtil.readInteger(buf, 2)) - .setSecond(BcdUtil.readInteger(buf, 2)); - position.setTime(dateBuilder.getDate()); - - double latitude = convertCoordinate(BcdUtil.readInteger(buf, 8)); - double longitude = convertCoordinate(BcdUtil.readInteger(buf, 9)); - - byte flags = buf.readByte(); - position.setValid((flags & 0x1) == 0x1); - if ((flags & 0x2) == 0) { - latitude = -latitude; - } - position.setLatitude(latitude); - if ((flags & 0x4) == 0) { - longitude = -longitude; - } - position.setLongitude(longitude); - - position.setSpeed(BcdUtil.readInteger(buf, 2)); - position.setCourse(buf.readUnsignedByte() * 2.0); - - if (longFormat) { - - position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000); - position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); - - buf.readUnsignedInt(); // vehicle id combined - - position.set(Position.KEY_STATUS, buf.readUnsignedShort()); - - int battery = buf.readUnsignedByte(); - if (battery == 0xff) { - position.set(Position.KEY_CHARGE, true); - } else { - position.set(Position.KEY_BATTERY_LEVEL, battery); - } - - CellTower cellTower = CellTower.fromCidLac(buf.readUnsignedShort(), buf.readUnsignedShort()); - cellTower.setSignalStrength((int) buf.readUnsignedByte()); - position.setNetwork(new Network(cellTower)); - - } else if (version == 1) { - - position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); - position.set(Position.KEY_POWER, buf.readUnsignedByte()); - - buf.readByte(); // other flags and sensors - - position.setAltitude(buf.readUnsignedShort()); - - int cid = buf.readUnsignedShort(); - int lac = buf.readUnsignedShort(); - int rssi = buf.readUnsignedByte(); - - if (cid != 0 && lac != 0) { - CellTower cellTower = CellTower.fromCidLac(cid, lac); - cellTower.setSignalStrength(rssi); - position.setNetwork(new Network(cellTower)); - } else { - position.set(Position.KEY_RSSI, rssi); - } - - } else if (version == 2) { - - int fuel = buf.readUnsignedByte() << 8; - - position.set(Position.KEY_STATUS, buf.readUnsignedInt()); - position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000); - - fuel += buf.readUnsignedByte(); - position.set(Position.KEY_FUEL_LEVEL, fuel); - - } - - positions.add(position); - - } - - buf.readUnsignedByte(); // index - - return positions; - } - - private static final Pattern PATTERN_W01 = new PatternBuilder() - .text("(") - .number("(d+),") // id - .text("W01,") // type - .number("(ddd)(dd.dddd),") // longitude - .expression("([EW]),") - .number("(dd)(dd.dddd),") // latitude - .expression("([NS]),") - .expression("([AV]),") // validity - .number("(dd)(dd)(dd),") // date (ddmmyy) - .number("(dd)(dd)(dd),") // time (hhmmss) - .number("(d+),") // speed - .number("(d+),") // course - .number("(d+),") // power - .number("(d+),") // gps signal - .number("(d+),") // gsm signal - .number("(d+),") // alert type - .any() - .compile(); - - private Position decodeW01(String sentence, Channel channel, SocketAddress remoteAddress) { - - Parser parser = new Parser(PATTERN_W01, sentence); - if (!parser.matches()) { - return null; - } - - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); - if (deviceSession == null) { - return null; - } - - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - position.setLongitude(parser.nextCoordinate()); - position.setLatitude(parser.nextCoordinate()); - position.setValid(parser.next().equals("A")); - - position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS)); - - position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0))); - position.setCourse(parser.nextDouble(0)); - - position.set(Position.KEY_POWER, parser.nextDouble(0)); - position.set(Position.KEY_GPS, parser.nextInt(0)); - position.set(Position.KEY_RSSI, parser.nextInt(0)); - position.set("alertType", parser.nextInt(0)); - - return position; - } - - private static final Pattern PATTERN_U01 = new PatternBuilder() - .text("(") - .number("(d+),") // id - .number("(Udd),") // type - .number("d+,").optional() // alarm - .number("(dd)(dd)(dd),") // date (ddmmyy) - .number("(dd)(dd)(dd),") // time (hhmmss) - .expression("([TF]),") // validity - .number("(d+.d+),([NS]),") // latitude - .number("(d+.d+),([EW]),") // longitude - .number("(d+.?d*),") // speed - .number("(d+),") // course - .number("(d+),") // satellites - .number("(d+)%,") // battery - .expression("([01]+),") // status - .number("(d+),") // cid - .number("(d+),") // lac - .number("(d+),") // gsm signal - .number("(d+),") // odometer - .number("(d+)") // serial number - .number(",(xx)").optional() // checksum - .any() - .compile(); - - private Position decodeU01(String sentence, Channel channel, SocketAddress remoteAddress) { - - Parser parser = new Parser(PATTERN_U01, sentence); - if (!parser.matches()) { - return null; - } - - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); - if (deviceSession == null) { - return null; - } - - String type = parser.next(); - - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS)); - - position.setValid(parser.next().equals("T")); - position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM)); - position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM)); - - position.setSpeed(UnitsConverter.knotsFromMph(parser.nextDouble(0))); - position.setCourse(parser.nextDouble(0)); - - position.set(Position.KEY_SATELLITES, parser.nextInt(0)); - position.set(Position.KEY_BATTERY_LEVEL, parser.nextInt(0)); - position.set(Position.KEY_STATUS, parser.nextBinInt(0)); - - CellTower cellTower = CellTower.fromCidLac(parser.nextInt(0), parser.nextInt(0)); - cellTower.setSignalStrength(parser.nextInt(0)); - position.setNetwork(new Network(cellTower)); - - position.set(Position.KEY_ODOMETER, parser.nextLong(0) * 1000); - position.set(Position.KEY_INDEX, parser.nextInt(0)); - - if (channel != null) { - if (type.equals("U01") || type.equals("U02") || type.equals("U03")) { - channel.write("(S39)"); - } else if (type.equals("U06")) { - channel.write("(S20)"); - } - } - - return position; - } - - @Override - protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - - ChannelBuffer buf = (ChannelBuffer) msg; - char first = (char) buf.getByte(0); - - if (first == '$') { - return decodeBinary(buf, channel, remoteAddress); - } else if (first == '(') { - String sentence = buf.toString(StandardCharsets.US_ASCII); - if (sentence.contains("W01")) { - return decodeW01(sentence, channel, remoteAddress); - } else { - return decodeU01(sentence, channel, remoteAddress); - } - } - - return null; - } - -} |