diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/StarLinkProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/StarLinkProtocolDecoder.java | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/StarLinkProtocolDecoder.java b/src/main/java/org/traccar/protocol/StarLinkProtocolDecoder.java new file mode 100644 index 000000000..ed5f81c1c --- /dev/null +++ b/src/main/java/org/traccar/protocol/StarLinkProtocolDecoder.java @@ -0,0 +1,229 @@ +/* + * Copyright 2017 - 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.Context; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +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.text.DateFormat; +import java.text.SimpleDateFormat; +import java.util.TimeZone; +import java.util.regex.Pattern; + +public class StarLinkProtocolDecoder extends BaseProtocolDecoder { + + private String[] dataTags; + private DateFormat dateFormat; + + public StarLinkProtocolDecoder(Protocol protocol) { + super(protocol); + + String format = Context.getConfig().getString( + getProtocolName() + ".format", "#EDT#,#EID#,#PDT#,#LAT#,#LONG#,#SPD#,#HEAD#,#ODO#," + + "#IN1#,#IN2#,#IN3#,#IN4#,#OUT1#,#OUT2#,#OUT3#,#OUT4#,#LAC#,#CID#,#VIN#,#VBAT#,#DEST#,#IGN#,#ENG#"); + dataTags = format.split(","); + + dateFormat = new SimpleDateFormat( + Context.getConfig().getString(getProtocolName() + ".dateFormat", "yyMMddHHmmss")); + dateFormat.setTimeZone(TimeZone.getTimeZone("UTC")); + } + + private static final Pattern PATTERN = new PatternBuilder() + .expression(".") // protocol head + .text("SLU") // message head + .number("(x{6}|d{15}),") // id + .number("(d+),") // type + .number("(d+),") // index + .expression("(.+)") // data + .text("*") + .number("xx") // checksum + .compile(); + + public static final int MSG_EVENT_REPORT = 6; + + private double parseCoordinate(String value) { + int minutesIndex = value.indexOf('.') - 2; + double result = Double.parseDouble(value.substring(1, minutesIndex)); + result += Double.parseDouble(value.substring(minutesIndex)) / 60; + return value.charAt(0) == '+' ? result : -result; + } + + private String decodeAlarm(int event) { + switch (event) { + case 6: + return Position.ALARM_OVERSPEED; + case 7: + return Position.ALARM_GEOFENCE_ENTER; + case 8: + return Position.ALARM_GEOFENCE_EXIT; + case 9: + return Position.ALARM_POWER_CUT; + case 11: + return Position.ALARM_LOW_BATTERY; + case 26: + return Position.ALARM_TOW; + case 36: + return Position.ALARM_SOS; + case 42: + return Position.ALARM_JAMMING; + default: + return null; + } + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + Parser parser = new Parser(PATTERN, (String) msg); + if (!parser.matches()) { + return null; + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); + if (deviceSession == null) { + return null; + } + + int type = parser.nextInt(0); + if (type != MSG_EVENT_REPORT) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + position.setValid(true); + + position.set(Position.KEY_INDEX, parser.nextInt(0)); + + String[] data = parser.next().split(","); + Integer lac = null, cid = null; + int event = 0; + + for (int i = 0; i < Math.min(data.length, dataTags.length); i++) { + if (data[i].isEmpty()) { + continue; + } + switch (dataTags[i]) { + case "#EDT#": + position.setDeviceTime(dateFormat.parse(data[i])); + break; + case "#EID#": + event = Integer.parseInt(data[i]); + position.set(Position.KEY_ALARM, decodeAlarm(event)); + position.set(Position.KEY_EVENT, event); + break; + case "#PDT#": + position.setFixTime(dateFormat.parse(data[i])); + break; + case "#LAT#": + position.setLatitude(parseCoordinate(data[i])); + break; + case "#LONG#": + position.setLongitude(parseCoordinate(data[i])); + break; + case "#SPD#": + position.setSpeed(Double.parseDouble(data[i])); + break; + case "#HEAD#": + position.setCourse(Integer.parseInt(data[i])); + break; + case "#ODO#": + position.set(Position.KEY_ODOMETER, Long.parseLong(data[i]) * 1000); + break; + case "#IN1#": + position.set(Position.PREFIX_IN + 1, Integer.parseInt(data[i])); + break; + case "#IN2#": + position.set(Position.PREFIX_IN + 2, Integer.parseInt(data[i])); + break; + case "#IN3#": + position.set(Position.PREFIX_IN + 3, Integer.parseInt(data[i])); + break; + case "#IN4#": + position.set(Position.PREFIX_IN + 4, Integer.parseInt(data[i])); + break; + case "#OUT1#": + position.set(Position.PREFIX_OUT + 1, Integer.parseInt(data[i])); + break; + case "#OUT2#": + position.set(Position.PREFIX_OUT + 2, Integer.parseInt(data[i])); + break; + case "#OUT3#": + position.set(Position.PREFIX_OUT + 3, Integer.parseInt(data[i])); + break; + case "#OUT4#": + position.set(Position.PREFIX_OUT + 4, Integer.parseInt(data[i])); + break; + case "#LAC#": + if (!data[i].isEmpty()) { + lac = Integer.parseInt(data[i]); + } + break; + case "#CID#": + if (!data[i].isEmpty()) { + cid = Integer.parseInt(data[i]); + } + break; + case "#VIN#": + position.set(Position.KEY_POWER, Double.parseDouble(data[i])); + break; + case "#VBAT#": + position.set(Position.KEY_BATTERY, Double.parseDouble(data[i])); + break; + case "#DEST#": + position.set("destination", data[i]); + break; + case "#IGN#": + position.set(Position.KEY_IGNITION, data[i].equals("1")); + break; + case "#ENG#": + position.set("engine", data[i].equals("1")); + break; + default: + break; + } + } + + if (position.getFixTime() == null) { + getLastLocation(position, null); + } + + if (lac != null && cid != null) { + position.setNetwork(new Network(CellTower.fromLacCid(lac, cid))); + } + + if (event == 20) { + String rfid = data[data.length - 1]; + if (rfid.matches("0+")) { + rfid = data[data.length - 2]; + } + position.set(Position.KEY_DRIVER_UNIQUE_ID, rfid); + } + + return position; + } + +} |