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Diffstat (limited to 'src/main/java/org/traccar/protocol/MiniFinderProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/MiniFinderProtocolDecoder.java208
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diff --git a/src/main/java/org/traccar/protocol/MiniFinderProtocolDecoder.java b/src/main/java/org/traccar/protocol/MiniFinderProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/MiniFinderProtocolDecoder.java
@@ -0,0 +1,208 @@
+/*
+ * Copyright 2014 - 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.Protocol;
+import org.traccar.helper.BitUtil;
+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 MiniFinderProtocolDecoder extends BaseProtocolDecoder {
+
+ public MiniFinderProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN_FIX = new PatternBuilder()
+ .number("(d+)/(d+)/(d+),") // date (dd/mm/yy)
+ .number("(d+):(d+):(d+),") // time (hh:mm:ss)
+ .number("(-?d+.d+),") // latitude
+ .number("(-?d+.d+),") // longitude
+ .compile();
+
+ private static final Pattern PATTERN_STATE = new PatternBuilder()
+ .number("(d+.?d*),") // speed (km/h)
+ .number("(d+.?d*),") // course
+ .number("(x+),") // flags
+ .number("(-?d+.d+),") // altitude (meters)
+ .number("(d+),") // battery (percentage)
+ .compile();
+
+ private static final Pattern PATTERN_A = new PatternBuilder()
+ .text("!A,")
+ .expression(PATTERN_FIX.pattern())
+ .any() // unknown 3 fields
+ .compile();
+
+ private static final Pattern PATTERN_C = new PatternBuilder()
+ .text("!C,")
+ .expression(PATTERN_FIX.pattern())
+ .expression(PATTERN_STATE.pattern())
+ .any() // unknown 3 fields
+ .compile();
+
+ private static final Pattern PATTERN_BD = new PatternBuilder()
+ .expression("![BD],") // B - buffered, D - live
+ .expression(PATTERN_FIX.pattern())
+ .expression(PATTERN_STATE.pattern())
+ .number("(d+),") // satellites in use
+ .number("(d+),") // satellites in view
+ .number("(d+.?d*)") // hdop
+ .compile();
+
+ private void decodeFix(Position position, Parser parser) {
+
+ position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
+ position.setLatitude(parser.nextDouble(0));
+ position.setLongitude(parser.nextDouble(0));
+ }
+
+ private void decodeFlags(Position position, int flags) {
+
+ position.setValid(BitUtil.to(flags, 2) > 0);
+ if (BitUtil.check(flags, 1)) {
+ position.set(Position.KEY_APPROXIMATE, true);
+ }
+
+ if (BitUtil.check(flags, 2)) {
+ position.set(Position.KEY_ALARM, Position.ALARM_FAULT);
+ }
+ if (BitUtil.check(flags, 6)) {
+ position.set(Position.KEY_ALARM, Position.ALARM_SOS);
+ }
+ if (BitUtil.check(flags, 7)) {
+ position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED);
+ }
+ if (BitUtil.check(flags, 8)) {
+ position.set(Position.KEY_ALARM, Position.ALARM_FALL_DOWN);
+ }
+ if (BitUtil.check(flags, 9) || BitUtil.check(flags, 10) || BitUtil.check(flags, 11)) {
+ position.set(Position.KEY_ALARM, Position.ALARM_GEOFENCE);
+ }
+ if (BitUtil.check(flags, 12)) {
+ position.set(Position.KEY_ALARM, Position.ALARM_LOW_BATTERY);
+ }
+ if (BitUtil.check(flags, 15) || BitUtil.check(flags, 14)) {
+ position.set(Position.KEY_ALARM, Position.ALARM_MOVEMENT);
+ }
+
+ position.set(Position.KEY_RSSI, BitUtil.between(flags, 16, 21));
+ position.set(Position.KEY_CHARGE, BitUtil.check(flags, 22));
+ }
+
+ private void decodeState(Position position, Parser parser) {
+
+ position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0)));
+
+ position.setCourse(parser.nextDouble(0));
+ if (position.getCourse() > 360) {
+ position.setCourse(0);
+ }
+
+ decodeFlags(position, parser.nextHexInt(0));
+
+ position.setAltitude(parser.nextDouble(0));
+
+ position.set(Position.KEY_BATTERY_LEVEL, parser.nextInt(0));
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ String sentence = (String) msg;
+
+ if (sentence.startsWith("!1,")) {
+ int index = sentence.indexOf(',', 3);
+ if (index < 0) {
+ index = sentence.length();
+ }
+ getDeviceSession(channel, remoteAddress, sentence.substring(3, index));
+ return null;
+ }
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+ if (deviceSession == null || !sentence.matches("![3A-D],.*")) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ String type = sentence.substring(1, 2);
+ position.set(Position.KEY_TYPE, type);
+
+ if (type.equals("3")) {
+
+ getLastLocation(position, null);
+
+ position.set(Position.KEY_RESULT, sentence.substring(3));
+
+ return position;
+
+ } else if (type.equals("B") || type.equals("D")) {
+
+ Parser parser = new Parser(PATTERN_BD, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ decodeFix(position, parser);
+ decodeState(position, parser);
+
+ position.set(Position.KEY_SATELLITES, parser.nextInt(0));
+ position.set(Position.KEY_SATELLITES_VISIBLE, parser.nextInt(0));
+ position.set(Position.KEY_HDOP, parser.nextDouble(0));
+
+ return position;
+
+ } else if (type.equals("C")) {
+
+ Parser parser = new Parser(PATTERN_C, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ decodeFix(position, parser);
+ decodeState(position, parser);
+
+ return position;
+
+ } else if (type.equals("A")) {
+
+ Parser parser = new Parser(PATTERN_A, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ decodeFix(position, parser);
+
+ return position;
+
+ }
+
+ return null;
+ }
+
+}