diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/GoSafeProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/GoSafeProtocolDecoder.java | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/GoSafeProtocolDecoder.java b/src/main/java/org/traccar/protocol/GoSafeProtocolDecoder.java new file mode 100644 index 000000000..95ef18f20 --- /dev/null +++ b/src/main/java/org/traccar/protocol/GoSafeProtocolDecoder.java @@ -0,0 +1,269 @@ +/* + * Copyright 2015 - 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.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.util.Date; +import java.util.LinkedList; +import java.util.List; +import java.util.regex.Pattern; + +public class GoSafeProtocolDecoder extends BaseProtocolDecoder { + + public GoSafeProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .text("*GS") // header + .number("d+,") // protocol version + .number("(d+),") // imei + .number("(dd)(dd)(dd)") // time (hhmmss) + .number("(dd)(dd)(dd),") // date (ddmmyy) + .expression("([^#]*)#?") // data + .compile(); + + private static final Pattern PATTERN_OLD = new PatternBuilder() + .text("*GS") // header + .number("d+,") // protocol version + .number("(d+),") // imei + .text("GPS:") + .number("(dd)(dd)(dd);") // time (hhmmss) + .number("d;").optional() // fix type + .expression("([AV]);") // validity + .number("([NS])(d+.d+);") // latitude + .number("([EW])(d+.d+);") // longitude + .number("(d+)?;") // speed + .number("(d+);") // course + .number("(d+.?d*)").optional() // hdop + .number("(dd)(dd)(dd)") // date (ddmmyy) + .any() + .compile(); + + private void decodeFragment(Position position, String fragment) { + int dataIndex = fragment.indexOf(':'); + int index = 0; + String[] values; + if (fragment.length() == dataIndex + 1) { + values = new String[0]; + } else { + values = fragment.substring(dataIndex + 1).split(";"); + } + switch (fragment.substring(0, dataIndex)) { + case "GPS": + position.setValid(values[index++].equals("A")); + position.set(Position.KEY_SATELLITES, Integer.parseInt(values[index++])); + position.setLatitude(Double.parseDouble(values[index].substring(1))); + if (values[index++].charAt(0) == 'S') { + position.setLatitude(-position.getLatitude()); + } + position.setLongitude(Double.parseDouble(values[index].substring(1))); + if (values[index++].charAt(0) == 'W') { + position.setLongitude(-position.getLongitude()); + } + if (!values[index++].isEmpty()) { + position.setSpeed(UnitsConverter.knotsFromKph(Integer.parseInt(values[index - 1]))); + } + position.setCourse(Integer.parseInt(values[index++])); + if (index < values.length) { + position.setAltitude(Integer.parseInt(values[index++])); + } + if (index < values.length) { + position.set(Position.KEY_HDOP, Double.parseDouble(values[index++])); + } + if (index < values.length) { + position.set(Position.KEY_VDOP, Double.parseDouble(values[index++])); + } + break; + case "GSM": + index += 1; // registration status + index += 1; // signal strength + position.setNetwork(new Network(CellTower.from( + Integer.parseInt(values[index++]), Integer.parseInt(values[index++]), + Integer.parseInt(values[index++], 16), Integer.parseInt(values[index++], 16), + Integer.parseInt(values[index++])))); + break; + case "COT": + if (index < values.length) { + position.set(Position.KEY_ODOMETER, Long.parseLong(values[index++])); + } + if (index < values.length) { + String[] hours = values[index].split("-"); + position.set(Position.KEY_HOURS, (Integer.parseInt(hours[0]) * 3600 + + (hours.length > 1 ? Integer.parseInt(hours[1]) * 60 : 0) + + (hours.length > 2 ? Integer.parseInt(hours[2]) : 0)) * 1000); + } + break; + case "ADC": + position.set(Position.KEY_POWER, Double.parseDouble(values[index++])); + if (index < values.length) { + position.set(Position.KEY_BATTERY, Double.parseDouble(values[index++])); + } + if (index < values.length) { + position.set(Position.PREFIX_ADC + 1, Double.parseDouble(values[index++])); + } + if (index < values.length) { + position.set(Position.PREFIX_ADC + 2, Double.parseDouble(values[index++])); + } + break; + case "DTT": + position.set(Position.KEY_STATUS, Integer.parseInt(values[index++], 16)); + if (!values[index++].isEmpty()) { + int io = Integer.parseInt(values[index - 1], 16); + position.set(Position.KEY_IGNITION, BitUtil.check(io, 0)); + position.set(Position.PREFIX_IN + 1, BitUtil.check(io, 1)); + position.set(Position.PREFIX_IN + 2, BitUtil.check(io, 2)); + position.set(Position.PREFIX_IN + 3, BitUtil.check(io, 3)); + position.set(Position.PREFIX_IN + 4, BitUtil.check(io, 4)); + position.set(Position.PREFIX_OUT + 1, BitUtil.check(io, 5)); + position.set(Position.PREFIX_OUT + 2, BitUtil.check(io, 6)); + position.set(Position.PREFIX_OUT + 3, BitUtil.check(io, 7)); + } + position.set(Position.KEY_GEOFENCE, values[index++] + values[index++]); + position.set("eventStatus", values[index++]); + if (index < values.length) { + position.set("packetType", values[index++]); + } + break; + case "ETD": + position.set("eventData", values[index++]); + break; + case "OBD": + position.set("obd", values[index++]); + break; + case "TAG": + position.set("tagData", values[index++]); + break; + case "IWD": + if (index < values.length && values[index + 1].equals("0")) { + position.set(Position.KEY_DRIVER_UNIQUE_ID, values[index + 2]); + } + break; + default: + break; + } + } + + private Object decodeData(DeviceSession deviceSession, Date time, String data) { + + List<Position> positions = new LinkedList<>(); + Position position = null; + int index = 0; + String[] fragments = data.split(","); + + while (index < fragments.length) { + + if (fragments[index].isEmpty() || Character.isDigit(fragments[index].charAt(0))) { + + if (position != null) { + positions.add(position); + } + + position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + position.setTime(time); + + if (!fragments[index++].isEmpty()) { + position.set(Position.KEY_EVENT, Integer.parseInt(fragments[index - 1])); + } + + } else { + + decodeFragment(position, fragments[index++]); + + } + + } + + if (position != null) { + positions.add(position); + } + + return positions; + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + if (channel != null) { + channel.writeAndFlush(new NetworkMessage("1234", remoteAddress)); + } + + String sentence = (String) msg; + Pattern pattern = PATTERN; + if (sentence.startsWith("*GS02")) { + pattern = PATTERN_OLD; + } + + Parser parser = new Parser(pattern, (String) msg); + if (!parser.matches()) { + return null; + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); + if (deviceSession == null) { + return null; + } + + if (pattern == PATTERN_OLD) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG)); + position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG)); + position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0))); + position.setCourse(parser.nextDouble(0)); + + position.set(Position.KEY_HDOP, parser.next()); + + dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + position.setTime(dateBuilder.getDate()); + + return position; + + } else { + + Date time = new Date(); + if (parser.hasNext(6)) { + time = parser.nextDateTime(Parser.DateTimeFormat.HMS_DMY); + } + + return decodeData(deviceSession, time, parser.next()); + + } + } + +} |