diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/T55ProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/T55ProtocolDecoder.java | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java b/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java new file mode 100644 index 000000000..ba231a635 --- /dev/null +++ b/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java @@ -0,0 +1,283 @@ +/* + * Copyright 2012 - 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.NetworkMessage; +import org.traccar.Protocol; +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.nio.channels.DatagramChannel; +import java.util.Date; +import java.util.regex.Pattern; + +public class T55ProtocolDecoder extends BaseProtocolDecoder { + + public T55ProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN_GPRMC = new PatternBuilder() + .text("$GPRMC,") + .number("(dd)(dd)(dd).?d*,") // time (hhmmss) + .expression("([AV]),") // validity + .number("(dd)(dd.d+),") // latitude + .expression("([NS]),") + .number("(d{2,3})(dd.d+),") // longitude + .expression("([EW]),") + .number("(d+.?d*)?,") // speed + .number("(d+.?d*)?,") // course + .number("(dd)(dd)(dd),") // date (ddmmyy) + .expression("[^*]+") + .text("*") + .expression("[^,]+") + .number(",(d+)") // satellites + .number(",(d+)") // imei + .expression(",([01])") // ignition + .number(",(d+)") // fuel + .number(",(d+)").optional(7) // battery + .number("((?:,d+)+)?") // parameters + .any() + .compile(); + + private static final Pattern PATTERN_GPGGA = new PatternBuilder() + .text("$GPGGA,") + .number("(dd)(dd)(dd).?d*,") // time (hhmmss) + .number("(d+)(dd.d+),") // latitude + .expression("([NS]),") + .number("(d+)(dd.d+),") // longitude + .expression("([EW]),") + .any() + .compile(); + + private static final Pattern PATTERN_GPRMA = new PatternBuilder() + .text("$GPRMA,") + .expression("([AV]),") // validity + .number("(dd)(dd.d+),") // latitude + .expression("([NS]),") + .number("(ddd)(dd.d+),") // longitude + .expression("([EW]),,,") + .number("(d+.?d*)?,") // speed + .number("(d+.?d*)?,") // course + .any() + .compile(); + + private static final Pattern PATTERN_TRCCR = new PatternBuilder() + .text("$TRCCR,") + .number("(dddd)(dd)(dd)") // date (yyyymmdd) + .number("(dd)(dd)(dd).?d*,") // time (hhmmss) + .expression("([AV]),") // validity + .number("(-?d+.d+),") // latitude + .number("(-?d+.d+),") // longitude + .number("(d+.d+),") // speed + .number("(d+.d+),") // course + .number("(-?d+.d+),") // altitude + .number("(d+.?d*),") // battery + .any() + .compile(); + + private Position position = null; + + private Position decodeGprmc( + DeviceSession deviceSession, String sentence, SocketAddress remoteAddress, Channel channel) { + + if (deviceSession != null && channel != null && !(channel instanceof DatagramChannel) + && Context.getIdentityManager().lookupAttributeBoolean( + deviceSession.getDeviceId(), getProtocolName() + ".ack", false, true)) { + channel.writeAndFlush(new NetworkMessage("OK1\r\n", remoteAddress)); + } + + Parser parser = new Parser(PATTERN_GPRMC, sentence); + if (!parser.matches()) { + return null; + } + + Position position = new Position(getProtocolName()); + + if (deviceSession != null) { + 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()); + 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()); + + if (parser.hasNext(5)) { + position.set(Position.KEY_SATELLITES, parser.nextInt()); + + deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); + if (deviceSession == null) { + return null; + } + position.setDeviceId(deviceSession.getDeviceId()); + + position.set(Position.KEY_IGNITION, parser.hasNext() && parser.next().equals("1")); + position.set(Position.KEY_FUEL_LEVEL, parser.nextInt(0)); + position.set(Position.KEY_BATTERY, parser.nextInt()); + } + + if (parser.hasNext()) { + String[] parameters = parser.next().split(","); + for (int i = 1; i < parameters.length; i++) { + position.set(Position.PREFIX_IO + i, parameters[i]); + } + } + + if (deviceSession != null) { + return position; + } else { + this.position = position; // save position + return null; + } + } + + private Position decodeGpgga(DeviceSession deviceSession, String sentence) { + + Parser parser = new Parser(PATTERN_GPGGA, sentence); + if (!parser.matches()) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + DateBuilder dateBuilder = new DateBuilder() + .setCurrentDate() + .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + position.setTime(dateBuilder.getDate()); + + position.setValid(true); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + + return position; + } + + private Position decodeGprma(DeviceSession deviceSession, String sentence) { + + Parser parser = new Parser(PATTERN_GPRMA, sentence); + if (!parser.matches()) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setTime(new Date()); + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble(0)); + position.setCourse(parser.nextDouble(0)); + + return position; + } + + private Position decodeTrccr(DeviceSession deviceSession, String sentence) { + + Parser parser = new Parser(PATTERN_TRCCR, sentence); + if (!parser.matches()) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setTime(parser.nextDateTime()); + + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextDouble(0)); + position.setLongitude(parser.nextDouble(0)); + position.setSpeed(parser.nextDouble(0)); + position.setCourse(parser.nextDouble(0)); + position.setAltitude(parser.nextDouble(0)); + + position.set(Position.KEY_BATTERY, parser.nextDouble(0)); + + return position; + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + + DeviceSession deviceSession; + + if (!sentence.startsWith("$") && sentence.contains("$")) { + int index = sentence.indexOf("$"); + String id = sentence.substring(0, index); + if (id.endsWith(",")) { + id = id.substring(0, id.length() - 1); + } else if (id.endsWith("/")) { + id = id.substring(id.indexOf('/') + 1, id.length() - 1); + } + deviceSession = getDeviceSession(channel, remoteAddress, id); + sentence = sentence.substring(index); + } else { + deviceSession = getDeviceSession(channel, remoteAddress); + } + + if (sentence.startsWith("$PGID")) { + getDeviceSession(channel, remoteAddress, sentence.substring(6, sentence.length() - 3)); + } else if (sentence.startsWith("$DEVID")) { + getDeviceSession(channel, remoteAddress, sentence.substring(7, sentence.lastIndexOf('*'))); + } else if (sentence.startsWith("$PCPTI")) { + getDeviceSession(channel, remoteAddress, sentence.substring(7, sentence.indexOf(",", 7))); + } else if (sentence.startsWith("IMEI")) { + getDeviceSession(channel, remoteAddress, sentence.substring(5)); + } else if (sentence.startsWith("$IMEI")) { + getDeviceSession(channel, remoteAddress, sentence.substring(6)); + } else if (sentence.startsWith("$GPFID")) { + deviceSession = getDeviceSession(channel, remoteAddress, sentence.substring(7)); + if (deviceSession != null && position != null) { + Position position = this.position; + position.setDeviceId(deviceSession.getDeviceId()); + this.position = null; + return position; + } + } else if (sentence.matches("^[0-9A-F]+$")) { + getDeviceSession(channel, remoteAddress, sentence); + } else if (sentence.startsWith("$GPRMC")) { + return decodeGprmc(deviceSession, sentence, remoteAddress, channel); + } else if (sentence.startsWith("$GPGGA") && deviceSession != null) { + return decodeGpgga(deviceSession, sentence); + } else if (sentence.startsWith("$GPRMA") && deviceSession != null) { + return decodeGprma(deviceSession, sentence); + } else if (sentence.startsWith("$TRCCR") && deviceSession != null) { + return decodeTrccr(deviceSession, sentence); + } + + return null; + } + +} |