aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/org/traccar/protocol/GoSafeProtocolDecoder.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/org/traccar/protocol/GoSafeProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/GoSafeProtocolDecoder.java269
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());
+
+ }
+ }
+
+}