diff options
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r-- | src/org/traccar/protocol/Gt06FrameDecoder.java | 6 | ||||
-rw-r--r-- | src/org/traccar/protocol/TelicFrameDecoder.java | 54 | ||||
-rw-r--r-- | src/org/traccar/protocol/TelicProtocol.java | 2 |
3 files changed, 57 insertions, 5 deletions
diff --git a/src/org/traccar/protocol/Gt06FrameDecoder.java b/src/org/traccar/protocol/Gt06FrameDecoder.java index 21f5c8b52..67f42efb4 100644 --- a/src/org/traccar/protocol/Gt06FrameDecoder.java +++ b/src/org/traccar/protocol/Gt06FrameDecoder.java @@ -1,5 +1,5 @@ /* - * Copyright 2014 Anton Tananaev (anton.tananaev@gmail.com) + * Copyright 2014 - 2016 Anton Tananaev (anton.tananaev@gmail.com) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -24,9 +24,7 @@ public class Gt06FrameDecoder extends FrameDecoder { @Override protected Object decode( - ChannelHandlerContext ctx, - Channel channel, - ChannelBuffer buf) throws Exception { + ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception { // Check minimum length if (buf.readableBytes() < 5) { diff --git a/src/org/traccar/protocol/TelicFrameDecoder.java b/src/org/traccar/protocol/TelicFrameDecoder.java new file mode 100644 index 000000000..2a6e121cf --- /dev/null +++ b/src/org/traccar/protocol/TelicFrameDecoder.java @@ -0,0 +1,54 @@ +/* + * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +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; + +public class TelicFrameDecoder extends FrameDecoder { + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception { + + if (buf.readableBytes() < 4) { + return null; + } + + long length = buf.getUnsignedInt(buf.readerIndex()); + + if (length < 1024) { + if (buf.readableBytes() >= length + 4) { + buf.readUnsignedInt(); + return buf.readBytes((int) length); + } + } else { + int endIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0); + if (endIndex >= 0) { + ChannelBuffer frame = buf.readBytes(endIndex - buf.readerIndex()); + buf.readByte(); + if (frame.readableBytes() > 0) { + return frame; + } + } + } + + return null; + } + +} diff --git a/src/org/traccar/protocol/TelicProtocol.java b/src/org/traccar/protocol/TelicProtocol.java index b2139c54c..6b8abcaeb 100644 --- a/src/org/traccar/protocol/TelicProtocol.java +++ b/src/org/traccar/protocol/TelicProtocol.java @@ -36,7 +36,7 @@ public class TelicProtocol extends BaseProtocol { TrackerServer server = new TrackerServer(new ServerBootstrap(), this.getName()) { @Override protected void addSpecificHandlers(ChannelPipeline pipeline) { - pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1024, 0, 4, 1, 4)); + pipeline.addLast("frameDecoder", new TelicFrameDecoder()); pipeline.addLast("stringDecoder", new StringDecoder()); pipeline.addLast("objectDecoder", new TelicProtocolDecoder(TelicProtocol.this)); } |