diff options
Diffstat (limited to 'src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java b/src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java new file mode 100644 index 000000000..dc169c668 --- /dev/null +++ b/src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java @@ -0,0 +1,168 @@ +/* + * Copyright 2013 - 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.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.helper.Checksum; +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.util.regex.Pattern; + +public class LaipacSFKamelProtocolDecoder extends BaseProtocolDecoder { + + public LaipacSFKamelProtocolDecoder(LaipacSFKamelProtocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .text("$AVRMC,") + .expression("([^,]+),") // identifier + .number("(dd)(dd)(dd),") // time (hhmmss) + .expression("([AVRPavrp]),") // validity + .number("(dd)(dd.d+),") // latitude + .expression("([NS]),") + .number("(ddd)(dd.d+),") // longitude + .number("([EW]),") + .number("(d+.d+),") // speed + .number("(d+.d+),") // course + .number("(dd)(dd)(dd),") // date (ddmmyy) + .expression("([abZXMHE86430]),") // event code + .number("(d+),") // battery voltage + .number("(d+),") // current mileage + .number("(d),") // GPS on/off (1 = on, 0 = off) + .number("(d+),") // Analog port 1 + .number("(d+)") // Analog port 2 + .expression(",([0-9a-fA-F]{4})") // Cell 1 - Cell Net Code + .expression("([0-9a-fA-F]{4}),") // Cell 1 - Cell ID Code + .number("(d{3})") // Cell 2 - Country Code + .number("(d{3})") // Cell 2 - Operator Code + .optional(4) + .text("*") + .number("(xx)") // checksum + .compile(); + + @Override + protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + String sentence = (String) msg; + + if (sentence.startsWith("$ECHK") && channel != null) { + channel.write(sentence + "\r\n"); // 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(); + position.setValid(status.toUpperCase().equals("A")); + 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 eventCode = parser.next(); + String decodedAlarm = decodeAlarm(eventCode); + if (decodedAlarm != null) { + position.set(Position.KEY_ALARM, decodeAlarm(eventCode)); + } + position.set(Position.KEY_EVENT, eventCode); + position.set(Position.KEY_BATTERY, parser.nextDouble() * 0.001); + position.set(Position.KEY_TOTAL_DISTANCE, parser.nextDouble()); + position.set(Position.KEY_GPS, parser.nextInt()); + position.set(Position.KEY_ANALOG_1, parser.nextDouble() * 0.001); + position.set(Position.KEY_ANALOG_2, parser.nextDouble() * 0.001); + + String checksum = parser.next(); + if (parser.hasNext()) { + position.set(Position.KEY_CELL_NET_CODE, checksum); + position.set(Position.KEY_CELL_ID_CODE, parser.next()); + position.set(Position.KEY_COUNTRY_CODE, parser.next()); + position.set(Position.KEY_OPERATOR, parser.next()); + checksum = parser.next(); + } + + + String result = sentence.replaceAll("^\\$(.*)\\*[0-9a-fA-F]{2}$", "$1"); + if (checksum == null || Integer.parseInt(checksum, 16) != Checksum.xor(result)) + { + return null; + } + + if (channel != null) { + if (eventCode.equals("3")) { + channel.write("$AVCFG,00000000,d*31\r\n"); + } else if (eventCode.equals("X") || eventCode.equals("4")) { + channel.write("$AVCFG,00000000,x*2D\r\n"); + } else if (eventCode.equals("Z")) { + channel.write("$AVCFG,00000000,z*2F\r\n"); + } else if (Character.isLowerCase(status.charAt(0))) { + String response = "$EAVACK," + eventCode + "," + checksum; + response += Checksum.nmea(response); + response += "\r\n"; + channel.write(response); + } + } + + return position; + } + + private String decodeAlarm(String event) { + if (event.equals('Z')) { + return Position.ALARM_LOW_BATTERY; + } else if (event.equals('X')) { + return Position.ALARM_GEOFENCE_ENTER; + } else if (event.equals('T')) { + return Position.ALARM_TAMPERING; + } else if(event.equals("H")) { + return Position.ALARM_POWER_OFF; + } else if (event.equals('X')) { + return Position.ALARM_GEOFENCE_ENTER; + } else if (event.equals('8')) { + return Position.ALARM_SHOCK; + } else if (event.equals('7') && event.equals('4')) { + return Position.ALARM_GEOFENCE_EXIT; + } else if (event.equals('6')) { + return Position.ALARM_OVERSPEED; + } else if (event.equals('3')) { + return Position.ALARM_SOS; + } + return null; + } +} |