diff options
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r-- | src/org/traccar/protocol/UproProtocol.java | 4 | ||||
-rw-r--r-- | src/org/traccar/protocol/UproProtocolDecoder.java | 104 |
2 files changed, 70 insertions, 38 deletions
diff --git a/src/org/traccar/protocol/UproProtocol.java b/src/org/traccar/protocol/UproProtocol.java index ae6cac603..c00f859ee 100644 --- a/src/org/traccar/protocol/UproProtocol.java +++ b/src/org/traccar/protocol/UproProtocol.java @@ -1,5 +1,5 @@ /* - * Copyright 2015 Anton Tananaev (anton@traccar.org) + * Copyright 2015 - 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. @@ -17,7 +17,6 @@ package org.traccar.protocol; import org.jboss.netty.bootstrap.ServerBootstrap; import org.jboss.netty.channel.ChannelPipeline; -import org.jboss.netty.handler.codec.string.StringDecoder; import org.jboss.netty.handler.codec.string.StringEncoder; import org.traccar.BaseProtocol; import org.traccar.CharacterDelimiterFrameDecoder; @@ -37,7 +36,6 @@ public class UproProtocol extends BaseProtocol { @Override protected void addSpecificHandlers(ChannelPipeline pipeline) { pipeline.addLast("frameDecoder", new CharacterDelimiterFrameDecoder(1024, '#')); - pipeline.addLast("stringDecoder", new StringDecoder()); pipeline.addLast("stringEncoder", new StringEncoder()); pipeline.addLast("objectDecoder", new UproProtocolDecoder(UproProtocol.this)); } diff --git a/src/org/traccar/protocol/UproProtocolDecoder.java b/src/org/traccar/protocol/UproProtocolDecoder.java index 24a0f5dcd..e47dd8595 100644 --- a/src/org/traccar/protocol/UproProtocolDecoder.java +++ b/src/org/traccar/protocol/UproProtocolDecoder.java @@ -15,6 +15,8 @@ */ 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; @@ -25,6 +27,8 @@ 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 { @@ -33,19 +37,17 @@ public class UproProtocolDecoder extends BaseProtocolDecoder { super(protocol); } - private static final Pattern PATTERN = new PatternBuilder() + private static final Pattern PATTERN_HEADER = new PatternBuilder() .text("*") .expression("..20") .expression("([01])") // ack .number("(d+),") // device id .expression("(.)") // type .expression("(.)") // subtype - .expression("(.*)") // content - .expression("#?") // delimiter + .any() .compile(); private static final Pattern PATTERN_LOCATION = new PatternBuilder() - .text("A") .number("(dd)(dd)(dd)") // time .number("(dd)(dd)(dddd)") // latitude .number("(ddd)(dd)(dddd)") // longitude @@ -88,7 +90,19 @@ public class UproProtocolDecoder extends BaseProtocolDecoder { 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; } @@ -111,37 +125,57 @@ public class UproProtocolDecoder extends BaseProtocolDecoder { channel.write("*MG20Y" + type + subtype + "#"); } - String[] data = parser.next().split("&"); - for (int i = 0; i < data.length; i++) { - if (i != 0) { - switch (data[i].charAt(0)) { - case 'A': - decodeLocation(position, data[i]); - break; - case 'B': - position.set(Position.KEY_STATUS, data[i].substring(1)); - break; - case 'C': - long odometer = 0; - for (int j = 1; j < data[i].length(); j++) { - odometer <<= 4; - odometer += data[i].charAt(j) - '0'; - } - position.set(Position.KEY_ODOMETER, odometer * 2 * 1852 / 3600); - break; - case 'P': - position.set(Position.KEY_MCC, Integer.parseInt(data[i].substring(1, 5))); - position.set(Position.KEY_MNC, Integer.parseInt(data[i].substring(5, 9))); - position.set(Position.KEY_LAC, Integer.parseInt(data[i].substring(9, 13), 16)); - position.set(Position.KEY_CID, Integer.parseInt(data[i].substring(13, 17), 16)); - break; - case 'S': - position.set("obd", data[i]); - break; - default: - break; - } + 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(); } + + ChannelBuffer data = buf.readBytes(delimiterIndex - buf.readerIndex()); + + 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) { |