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Diffstat (limited to 'src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java168
1 files changed, 168 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java b/src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java
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+++ b/src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java
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+/*
+ * 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;
+ }
+}