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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java')
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diff --git a/src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java b/src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java
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+/*
+ * 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;
+ }
+
+}