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Diffstat (limited to 'src/org/traccar/protocol/L100FrameDecoder.java')
-rw-r--r--src/org/traccar/protocol/L100FrameDecoder.java41
1 files changed, 27 insertions, 14 deletions
diff --git a/src/org/traccar/protocol/L100FrameDecoder.java b/src/org/traccar/protocol/L100FrameDecoder.java
index a597cbd7d..b7caa14f4 100644
--- a/src/org/traccar/protocol/L100FrameDecoder.java
+++ b/src/org/traccar/protocol/L100FrameDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 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.
@@ -15,33 +15,46 @@
*/
package org.traccar.protocol;
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.channel.Channel;
-import org.jboss.netty.channel.ChannelHandlerContext;
-import org.jboss.netty.handler.codec.frame.FrameDecoder;
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseFrameDecoder;
-public class L100FrameDecoder extends FrameDecoder {
+public class L100FrameDecoder extends BaseFrameDecoder {
@Override
protected Object decode(
- ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {
+ ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception {
- if (buf.readableBytes() < 80) {
+ if (buf.readableBytes() < 10) {
return null;
}
- int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x02);
- if (index == -1) {
- index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x04);
+ int header = buf.getByte(buf.readerIndex());
+ boolean obd = header == 'L' || header == 'H';
+
+ int index;
+ if (obd) {
+ index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '*');
+ } else {
+ index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x02);
if (index == -1) {
- return null;
+ index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x04);
+ if (index == -1) {
+ return null;
+ }
}
}
index += 2; // checksum
- if (buf.readableBytes() >= index - buf.readerIndex()) {
- return buf.readBytes(index - buf.readerIndex());
+ if (buf.writerIndex() >= index) {
+ if (!obd) {
+ buf.skipBytes(2); // header
+ }
+ ByteBuf frame = buf.readRetainedSlice(index - buf.readerIndex() - 2);
+ buf.skipBytes(2); // footer
+ return frame;
}
return null;