diff options
Diffstat (limited to 'src/org/traccar/protocol/UproProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/UproProtocolDecoder.java | 145 |
1 files changed, 127 insertions, 18 deletions
diff --git a/src/org/traccar/protocol/UproProtocolDecoder.java b/src/org/traccar/protocol/UproProtocolDecoder.java index b4000c37a..e47dd8595 100644 --- a/src/org/traccar/protocol/UproProtocolDecoder.java +++ b/src/org/traccar/protocol/UproProtocolDecoder.java @@ -1,5 +1,5 @@ /* - * Copyright 2012 - 2015 Anton Tananaev (anton.tananaev@gmail.com) + * Copyright 2012 - 2016 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. @@ -15,15 +15,20 @@ */ package org.traccar.protocol; +import org.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; import org.jboss.netty.channel.Channel; import org.traccar.BaseProtocolDecoder; import org.traccar.DeviceSession; +import org.traccar.helper.BitUtil; 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.nio.charset.StandardCharsets; +import java.text.ParseException; import java.util.regex.Pattern; public class UproProtocolDecoder extends BaseProtocolDecoder { @@ -32,48 +37,152 @@ public class UproProtocolDecoder extends BaseProtocolDecoder { super(protocol); } - private static final Pattern PATTERN = new PatternBuilder() - .text("*AI20") + private static final Pattern PATTERN_HEADER = new PatternBuilder() + .text("*") + .expression("..20") + .expression("([01])") // ack .number("(d+),") // device id - .expression("A.+&A") + .expression("(.)") // type + .expression("(.)") // subtype + .any() + .compile(); + + private static final Pattern PATTERN_LOCATION = new PatternBuilder() .number("(dd)(dd)(dd)") // time .number("(dd)(dd)(dddd)") // latitude .number("(ddd)(dd)(dddd)") // longitude - .number("d{5}") + .number("(d)") // flags + .number("(dd)") // speed + .number("(dd)") // course .number("(dd)(dd)(dd)") // date - .expression("&B") - .any() .compile(); + private void decodeLocation(Position position, String data) { + Parser parser = new Parser(PATTERN_LOCATION, data); + if (parser.matches()) { + + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); + + position.setValid(true); + position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN)); + position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN)); + + int flags = parser.nextInt(); + position.setValid(BitUtil.check(flags, 0)); + if (!BitUtil.check(flags, 1)) { + position.setLatitude(-position.getLatitude()); + } + if (!BitUtil.check(flags, 2)) { + position.setLongitude(-position.getLongitude()); + } + + position.setSpeed(parser.nextInt() * 2); + position.setCourse(parser.nextInt() * 10); + + dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()); + position.setTime(dateBuilder.getDate()); + + } + } + @Override protected Object decode( Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - Parser parser = new Parser(PATTERN, (String) msg); + ChannelBuffer buf = (ChannelBuffer) msg; + + if (buf.getByte(buf.readerIndex()) != '*') { + throw new ParseException(null, 0); + } + + int headerIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '&'); + if (headerIndex < 0) { + headerIndex = buf.writerIndex(); + } + String header = buf.readBytes(headerIndex - buf.readerIndex()).toString(StandardCharsets.US_ASCII); + + Parser parser = new Parser(PATTERN_HEADER, header); if (!parser.matches()) { return null; } - Position position = new Position(); - position.setProtocol(getProtocolName()); + boolean reply = parser.next().equals("1"); DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); if (deviceSession == null) { return null; } + + Position position = new Position(); + position.setProtocol(getProtocolName()); position.setDeviceId(deviceSession.getDeviceId()); - DateBuilder dateBuilder = new DateBuilder() - .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); + String type = parser.next(); + String subtype = parser.next(); + + if (reply && channel != null) { + channel.write("*MG20Y" + type + subtype + "#"); + } + + while (buf.readable()) { + + buf.readByte(); // skip delimiter + + byte dataType = buf.readByte(); + + int delimiterIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '&'); + if (delimiterIndex < 0) { + delimiterIndex = buf.writerIndex(); + } - position.setValid(true); - position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN)); - position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN)); + ChannelBuffer data = buf.readBytes(delimiterIndex - buf.readerIndex()); - dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()); - position.setTime(dateBuilder.getDate()); + switch (dataType) { + case 'A': + decodeLocation(position, data.toString(StandardCharsets.US_ASCII)); + break; + case 'B': + position.set(Position.KEY_STATUS, data.toString(StandardCharsets.US_ASCII)); + break; + case 'C': + long odometer = 0; + while (data.readable()) { + odometer <<= 4; + odometer += data.readByte() - (byte) '0'; + } + position.set(Position.KEY_ODOMETER, odometer * 2 * 1852 / 3600); + break; + case 'P': + position.set(Position.KEY_MCC, + Integer.parseInt(data.readBytes(4).toString(StandardCharsets.US_ASCII))); + position.set(Position.KEY_MNC, + Integer.parseInt(data.readBytes(4).toString(StandardCharsets.US_ASCII))); + position.set(Position.KEY_LAC, + Integer.parseInt(data.readBytes(4).toString(StandardCharsets.US_ASCII), 16)); + position.set(Position.KEY_CID, + Integer.parseInt(data.readBytes(4).toString(StandardCharsets.US_ASCII), 16)); + break; + case 'Q': + position.set("obd-pid", ChannelBuffers.hexDump(data)); + break; + case 'R': + position.set("odb-travel", ChannelBuffers.hexDump(data)); + break; + case 'S': + position.set("obd-traffic", ChannelBuffers.hexDump(data)); + break; + default: + break; + } + + } + + if (position.getLatitude() != 0 && position.getLongitude() != 0) { + return position; + } - return position; + return null; } } |