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Diffstat (limited to 'src/main/java/org/traccar/protocol/VtfmsProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/VtfmsProtocolDecoder.java167
1 files changed, 167 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/VtfmsProtocolDecoder.java b/src/main/java/org/traccar/protocol/VtfmsProtocolDecoder.java
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index 000000000..17fac4311
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+++ b/src/main/java/org/traccar/protocol/VtfmsProtocolDecoder.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright 2017 - 2019 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.Protocol;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class VtfmsProtocolDecoder extends BaseProtocolDecoder {
+
+ private static final String[] DIRECTIONS = new String[] {"N", "NE", "E", "SE", "S", "SW", "W", "NW"};
+
+ public VtfmsProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("(")
+ .number("(d{15}),") // imei
+ .number("[0-9A-Z]{3}dd,") // packet count
+ .number("(dd),") // packet id
+ .number("[^,]*,") // reserved
+ .number("(d+)?,") // rssi
+ .number("(?:d+)?,") // fix status
+ .number("(d+)?,") // satellites
+ .number("[^,]*,") // reserved
+ .expression("([AV]),") // validity
+ .number("(dd)(dd)(dd),") // time (hhmmss)
+ .number("(dd)(dd)(dd),") // time (ddmmyy)
+ .number("(-?d+.d+),") // latitude
+ .number("(-?d+.d+),") // longitude
+ .number("(?:(d+)|([NESW]{1,2})),") // course
+ .number("(d+),") // speed
+ .number("(d+),") // hours
+ .number("(d+),") // idle hours
+ .expression("[KNT],") // antenna status
+ .number("(d+),") // odometer
+ .expression("([01]),") // power status
+ .number("(d+.d+),") // power voltage
+ .number("[^,]*,") // reserved
+ .number("(d+)?,") // fuel level
+ .number("(d+.d+)?,") // adc 1
+ .number("[^,]*,") // reserved
+ .number("(d+.d+)?,") // adc 2
+ .expression("([01]),") // di 1
+ .expression("([01]),") // di 2
+ .expression("([01]),") // di 3
+ .expression("([01]),") // di 4
+ .expression("([01]),") // do 1
+ .expression("([01]),") // do 2
+ .expression("([01]),") // do 3
+ .number("[^,]*,") // reserved
+ .number("[^,]*") // reserved
+ .text(")")
+ .number("ddd") // checksum
+ .compile();
+
+ private String decodeAlarm(int value) {
+ switch (value) {
+ case 10:
+ return Position.ALARM_OVERSPEED;
+ case 14:
+ return Position.ALARM_POWER_CUT;
+ case 15:
+ return Position.ALARM_POWER_RESTORED;
+ case 32:
+ return Position.ALARM_BRAKING;
+ case 33:
+ return Position.ALARM_ACCELERATION;
+ default:
+ return null;
+ }
+ }
+
+ private double convertToDegrees(double value) {
+ double degrees = Math.floor(value / 100);
+ return degrees + (value - degrees * 100) / 60;
+ }
+
+ @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;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_ALARM, decodeAlarm(parser.nextInt()));
+ position.set(Position.KEY_RSSI, parser.nextInt());
+ position.set(Position.KEY_SATELLITES, parser.nextInt());
+
+ position.setValid(parser.next().equals("A"));
+ position.setTime(parser.nextDateTime(Parser.DateTimeFormat.HMS_DMY));
+
+ double latitude = parser.nextDouble();
+ double longitude = parser.nextDouble();
+ if (Math.abs(latitude) > 90 || Math.abs(longitude) > 180) {
+ position.setLatitude(convertToDegrees(latitude));
+ position.setLongitude(convertToDegrees(longitude));
+ } else {
+ position.setLatitude(latitude);
+ position.setLongitude(longitude);
+ }
+
+ position.setCourse(parser.nextDouble(0));
+ if (parser.hasNext()) {
+ String direction = parser.next();
+ for (int i = 0; i < DIRECTIONS.length; i++) {
+ if (direction.equals(DIRECTIONS[i])) {
+ position.setCourse(i * 45.0);
+ break;
+ }
+ }
+ }
+
+ position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
+
+ position.set(Position.KEY_HOURS, UnitsConverter.msFromHours(parser.nextInt()));
+ position.set("idleHours", parser.nextInt());
+ position.set(Position.KEY_ODOMETER, parser.nextInt() * 100);
+ position.set(Position.KEY_CHARGE, parser.next().equals("1"));
+ position.set(Position.KEY_POWER, parser.nextDouble());
+ position.set(Position.KEY_FUEL_LEVEL, parser.nextInt());
+ position.set(Position.PREFIX_ADC + 1, parser.nextDouble());
+ position.set(Position.PREFIX_ADC + 2, parser.nextDouble());
+ position.set(Position.PREFIX_IN + 1, parser.nextInt());
+ position.set(Position.PREFIX_IN + 2, parser.nextInt());
+ position.set(Position.PREFIX_IN + 3, parser.nextInt());
+ position.set(Position.PREFIX_IN + 4, parser.nextInt());
+ position.set(Position.PREFIX_OUT + 1, parser.nextInt());
+ position.set(Position.PREFIX_OUT + 2, parser.nextInt());
+ position.set(Position.PREFIX_OUT + 3, parser.nextInt());
+
+ return position;
+ }
+
+}