diff options
Diffstat (limited to 'src/org/traccar/protocol/Tk102ProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/Tk102ProtocolDecoder.java | 68 |
1 files changed, 55 insertions, 13 deletions
diff --git a/src/org/traccar/protocol/Tk102ProtocolDecoder.java b/src/org/traccar/protocol/Tk102ProtocolDecoder.java index bb7510eb1..c2a94257d 100644 --- a/src/org/traccar/protocol/Tk102ProtocolDecoder.java +++ b/src/org/traccar/protocol/Tk102ProtocolDecoder.java @@ -1,5 +1,5 @@ /* - * Copyright 2013 Anton Tananaev (anton.tananaev@gmail.com) + * Copyright 2013 - 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. @@ -15,6 +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; @@ -24,6 +26,7 @@ import org.traccar.helper.PatternBuilder; import org.traccar.model.Position; import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; import java.util.regex.Pattern; public class Tk102ProtocolDecoder extends BaseProtocolDecoder { @@ -32,11 +35,18 @@ public class Tk102ProtocolDecoder extends BaseProtocolDecoder { super(protocol); } + public static final int MSG_LOGIN_REQUEST = 0x80; + public static final int MSG_LOGIN_REQUEST_2 = 0x21; + public static final int MSG_LOGIN_RESPONSE = 0x00; + public static final int MSG_HEARTBEAT_REQUEST = 0xF0; + public static final int MSG_HEARTBEAT_RESPONSE = 0xFF; + public static final int MSG_REPORT_ONCE = 0x90; + public static final int MSG_REPORT_INTERVAL = 0x93; + + public static final int MODE_GPRS = 0x30; + public static final int MODE_GPRS_SMS = 0x33; + private static final Pattern PATTERN = new PatternBuilder() - .text("[") - .expression(".") - .number("d{10}") - .expression(".") .text("(") .expression("[A-Z]+") .number("(dd)(dd)(dd)") // time @@ -45,25 +55,56 @@ public class Tk102ProtocolDecoder extends BaseProtocolDecoder { .number("(ddd)(dd.dddd)([EW])") // longitude .number("(ddd.ddd)") // speed .number("(dd)(dd)(dd)") // date (ddmmyy) - .number("d+") .any() .text(")") - .text("]").optional() .compile(); + private void sendResponse(Channel channel, int type, ChannelBuffer dataSequence, ChannelBuffer content) { + if (channel != null) { + ChannelBuffer response = ChannelBuffers.dynamicBuffer(); + response.writeByte('['); + response.writeByte(type); + response.writeBytes(dataSequence); + response.writeByte(content.readableBytes()); + response.writeBytes(content); + response.writeByte(']'); + channel.write(response); + } + } + @Override protected Object decode( Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - String sentence = (String) msg; + ChannelBuffer buf = (ChannelBuffer) msg; + + buf.skipBytes(1); // header + int type = buf.readUnsignedByte(); + ChannelBuffer dataSequence = buf.readBytes(10); + int length = buf.readUnsignedByte(); - if (sentence.startsWith("[!")) { + if (type == MSG_LOGIN_REQUEST || type == MSG_LOGIN_REQUEST_2) { - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, sentence.substring(14, 14 + 15)); - if (deviceSession != null && channel != null) { - channel.write("[”0000000001" + sentence.substring(13) + "]"); + ChannelBuffer data = buf.readBytes(length); + + String id; + if (type == MSG_LOGIN_REQUEST) { + id = data.toString(StandardCharsets.US_ASCII); + } else { + id = data.copy(1, 15).toString(StandardCharsets.US_ASCII); + } + + if (getDeviceSession(channel, remoteAddress, id) != null) { + ChannelBuffer response = ChannelBuffers.dynamicBuffer(); + response.writeByte(MODE_GPRS); + response.writeBytes(data); + sendResponse(channel, MSG_LOGIN_RESPONSE, dataSequence, response); } + } else if (type == MSG_HEARTBEAT_REQUEST) { + + sendResponse(channel, MSG_HEARTBEAT_RESPONSE, dataSequence, buf.readBytes(length)); + } else { DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); @@ -71,7 +112,7 @@ public class Tk102ProtocolDecoder extends BaseProtocolDecoder { return null; } - Parser parser = new Parser(PATTERN, sentence); + Parser parser = new Parser(PATTERN, buf.readBytes(length).toString(StandardCharsets.US_ASCII)); if (!parser.matches()) { return null; } @@ -92,6 +133,7 @@ public class Tk102ProtocolDecoder extends BaseProtocolDecoder { position.setTime(dateBuilder.getDate()); return position; + } return null; |