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authorAnton Tananaev <anton.tananaev@gmail.com>2018-04-12 14:04:13 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2018-04-12 14:04:31 +1200
commitf91863b34ab32a70faf5bd5948a7fa0bad16ceeb (patch)
tree51bd7598aec41d00f4037691623cfb4e8b3b390f /src/org/traccar/protocol
parent5847136ad3ab150038439cf0ab5b13f0ee74a2fe (diff)
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Convert PT502 to binary protocol
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/Pt502Protocol.java3
-rw-r--r--src/org/traccar/protocol/Pt502ProtocolDecoder.java50
2 files changed, 36 insertions, 17 deletions
diff --git a/src/org/traccar/protocol/Pt502Protocol.java b/src/org/traccar/protocol/Pt502Protocol.java
index 0116422c2..ba820a6a1 100644
--- a/src/org/traccar/protocol/Pt502Protocol.java
+++ b/src/org/traccar/protocol/Pt502Protocol.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2015 - 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 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.
@@ -45,7 +45,6 @@ public class Pt502Protocol extends BaseProtocol {
protected void addSpecificHandlers(ChannelPipeline pipeline) {
pipeline.addLast("frameDecoder", new Pt502FrameDecoder());
pipeline.addLast("stringEncoder", new StringEncoder());
- pipeline.addLast("stringDecoder", new StringDecoder());
pipeline.addLast("objectEncoder", new Pt502ProtocolEncoder());
pipeline.addLast("objectDecoder", new Pt502ProtocolDecoder(Pt502Protocol.this));
}
diff --git a/src/org/traccar/protocol/Pt502ProtocolDecoder.java b/src/org/traccar/protocol/Pt502ProtocolDecoder.java
index bc7647744..b60500c25 100644
--- a/src/org/traccar/protocol/Pt502ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Pt502ProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2012 - 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 2018 Anton Tananaev (anton@traccar.org)
* Copyright 2012 Luis Parada (luis.parada@gmail.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,6 +16,8 @@
*/
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;
@@ -25,13 +27,14 @@ 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 Pt502ProtocolDecoder extends BaseProtocolDecoder {
private static final int MAX_CHUNK_SIZE = 960;
- private byte[] photo;
+ private ChannelBuffer photo;
public Pt502ProtocolDecoder(Pt502Protocol protocol) {
super(protocol);
@@ -85,25 +88,15 @@ public class Pt502ProtocolDecoder extends BaseProtocolDecoder {
}
}
- @Override
- protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+ private Position decodePosition(Channel channel, SocketAddress remoteAddress, String sentence) {
- Parser parser = new Parser(PATTERN, (String) msg);
+ Parser parser = new Parser(PATTERN, sentence);
if (!parser.matches()) {
return null;
}
Position position = new Position(getProtocolName());
-
- String type = parser.next();
-
- if (type.startsWith("PHO") && channel != null) {
- photo = new byte[Integer.parseInt(type.substring(3))];
- channel.write("#PHD0," + Math.min(photo.length, MAX_CHUNK_SIZE) + "\r\n");
- }
-
- position.set(Position.KEY_ALARM, decodeAlarm(type));
+ position.set(Position.KEY_ALARM, decodeAlarm(parser.next()));
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
@@ -146,4 +139,31 @@ public class Pt502ProtocolDecoder extends BaseProtocolDecoder {
return position;
}
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ChannelBuffer buf = (ChannelBuffer) msg;
+
+ int typeEndIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ',');
+ String type = buf.toString(buf.readerIndex(), typeEndIndex - buf.readerIndex(), StandardCharsets.US_ASCII);
+
+ if (type.startsWith("$PHD")) {
+
+ // TODO decode photo
+
+ } else {
+
+ if (type.startsWith("$PHO") && channel != null) {
+ photo = ChannelBuffers.buffer(Integer.parseInt(type.substring(4, type.indexOf('-'))));
+ channel.write("#PHD0," + Math.min(photo.capacity(), MAX_CHUNK_SIZE) + "\r\n");
+ }
+
+ return decodePosition(channel, remoteAddress, buf.toString(StandardCharsets.US_ASCII));
+
+ }
+
+ return null;
+ }
+
}