diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java b/src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java new file mode 100644 index 000000000..2f3cbb1b9 --- /dev/null +++ b/src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java @@ -0,0 +1,167 @@ +/* + * Copyright 2013 - 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.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.NetworkMessage; +import org.traccar.Protocol; +import org.traccar.helper.Checksum; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.model.CellTower; +import org.traccar.model.Network; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.regex.Pattern; + +public class LaipacProtocolDecoder extends BaseProtocolDecoder { + + public LaipacProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .text("$AVRMC,") + .expression("([^,]+),") // identifier + .number("(dd)(dd)(dd),") // time (hhmmss) + .expression("([AVRPavrp]),") // validity + .number("(dd)(dd.d+),") // latitude + .expression("([NS]),") + .number("(ddd)(dd.d+),") // longitude + .number("([EW]),") + .number("(d+.d+),") // speed + .number("(d+.d+),") // course + .number("(dd)(dd)(dd),") // date (ddmmyy) + .expression("([abZXTSMHFE86430]),") // event code + .expression("([\\d.]+),") // battery voltage + .number("(d+),") // current mileage + .number("(d),") // gps status + .number("(d+),") // adc1 + .number("(d+)") // adc2 + .number(",(xxxx)") // lac + .number("(xxxx),") // cid + .number("(ddd)") // mcc + .number("(ddd)") // mnc + .optional(4) + .text("*") + .number("(xx)") // checksum + .compile(); + + private String decodeAlarm(String event) { + switch (event) { + case "Z": + return Position.ALARM_LOW_BATTERY; + case "X": + return Position.ALARM_GEOFENCE_ENTER; + case "T": + return Position.ALARM_TAMPERING; + case "H": + return Position.ALARM_POWER_OFF; + case "8": + return Position.ALARM_SHOCK; + case "7": + case "4": + return Position.ALARM_GEOFENCE_EXIT; + case "6": + return Position.ALARM_OVERSPEED; + case "3": + return Position.ALARM_SOS; + default: + return null; + } + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + + if (sentence.startsWith("$ECHK") && channel != null) { + channel.writeAndFlush(new NetworkMessage(sentence + "\r\n", remoteAddress)); // heartbeat + return null; + } + + Parser parser = new Parser(PATTERN, sentence); + if (!parser.matches()) { + return null; + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); + if (deviceSession == null) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + + String status = parser.next(); + String upperCaseStatus = status.toUpperCase(); + position.setValid(upperCaseStatus.equals("A") || upperCaseStatus.equals("R") || upperCaseStatus.equals("P")); + position.set(Position.KEY_STATUS, status); + + 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()); + + String event = parser.next(); + position.set(Position.KEY_ALARM, decodeAlarm(event)); + position.set(Position.KEY_EVENT, event); + position.set(Position.KEY_BATTERY, Double.parseDouble(parser.next().replaceAll("\\.", "")) * 0.001); + position.set(Position.KEY_ODOMETER, parser.nextDouble()); + position.set(Position.KEY_GPS, parser.nextInt()); + position.set(Position.PREFIX_ADC + 1, parser.nextDouble() * 0.001); + position.set(Position.PREFIX_ADC + 2, parser.nextDouble() * 0.001); + + Integer lac = parser.nextHexInt(); + Integer cid = parser.nextHexInt(); + Integer mcc = parser.nextInt(); + Integer mnc = parser.nextInt(); + if (lac != null && cid != null && mcc != null && mnc != null) { + position.setNetwork(new Network(CellTower.from(mcc, mnc, lac, cid))); + } + + String checksum = parser.next(); + + if (channel != null) { + if (event.equals("3")) { + channel.writeAndFlush(new NetworkMessage("$AVCFG,00000000,d*31\r\n", remoteAddress)); + } else if (event.equals("X") || event.equals("4")) { + channel.writeAndFlush(new NetworkMessage("$AVCFG,00000000,x*2D\r\n", remoteAddress)); + } else if (event.equals("Z")) { + channel.writeAndFlush(new NetworkMessage("$AVCFG,00000000,z*2F\r\n", remoteAddress)); + } else if (Character.isLowerCase(status.charAt(0))) { + String response = "$EAVACK," + event + "," + checksum; + response += Checksum.nmea(response) + "\r\n"; + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } + } + + return position; + } + +} |