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-rw-r--r--src/main/java/org/traccar/protocol/PretraceProtocolDecoder.java132
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diff --git a/src/main/java/org/traccar/protocol/PretraceProtocolDecoder.java b/src/main/java/org/traccar/protocol/PretraceProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/PretraceProtocolDecoder.java
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+/*
+ * Copyright 2017 - 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.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 PretraceProtocolDecoder extends BaseProtocolDecoder {
+
+ public PretraceProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("(")
+ .number("(d{15})") // imei
+ .number("Uddd") // type
+ .number("d") // gps type
+ .expression("([AV])") // validity
+ .number("(dd)(dd)(dd)") // date (yymmdd)
+ .number("(dd)(dd)(dd)") // time (hhmmss)
+ .number("(dd)(dd.dddd)") // latitude
+ .expression("([NS])")
+ .number("(ddd)(dd.dddd)") // longitude
+ .expression("([EW])")
+ .number("(ddd)") // speed
+ .number("(ddd)") // course
+ .number("(xxx)") // altitude
+ .number("(x{8})") // odometer
+ .number("(x)") // satellites
+ .number("(dd)") // hdop
+ .number("(dd)") // gsm
+ .expression("(.{8}),&") // state
+ .expression("(.+)?") // optional data
+ .text("^")
+ .number("xx") // checksum
+ .compile();
+
+ @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.setValid(parser.next().equals("A"));
+
+ position.setTime(parser.nextDateTime());
+
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+ position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt(0)));
+ position.setCourse(parser.nextInt(0));
+ position.setAltitude(parser.nextHexInt(0));
+
+ position.set(Position.KEY_ODOMETER, parser.nextHexInt(0));
+ position.set(Position.KEY_SATELLITES, parser.nextHexInt(0));
+ position.set(Position.KEY_HDOP, parser.nextInt(0));
+ position.set(Position.KEY_RSSI, parser.nextInt(0));
+
+ parser.next(); // state
+
+ if (parser.hasNext()) {
+ for (String value : parser.next().split(",")) {
+ switch (value.charAt(0)) {
+ case 'P':
+ if (value.charAt(1) == '1') {
+ if (value.charAt(4) == '%') {
+ position.set(Position.KEY_BATTERY_LEVEL, Integer.parseInt(value.substring(2, 4)));
+ } else {
+ position.set(Position.KEY_BATTERY, Integer.parseInt(value.substring(2), 16) * 0.01);
+ }
+ } else {
+ position.set(Position.KEY_POWER, Integer.parseInt(value.substring(2), 16) * 0.01);
+ }
+ break;
+ case 'T':
+ double temperature = Integer.parseInt(value.substring(2), 16) * 0.25;
+ if (value.charAt(1) == '1') {
+ position.set(Position.KEY_DEVICE_TEMP, temperature);
+ } else {
+ position.set(Position.PREFIX_TEMP + (value.charAt(1) - '0'), temperature);
+ }
+ break;
+ case 'F':
+ position.set("fuel" + (value.charAt(1) - '0'), Integer.parseInt(value.substring(2), 16) * 0.01);
+ break;
+ case 'R':
+ position.set(Position.KEY_DRIVER_UNIQUE_ID, value.substring(3));
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ return position;
+ }
+
+}