Stop receiving requests

[Johnny Luong]

Class FrameDecoder;

http://docs.jboss.org/netty/3.1/api/org/jboss/netty/handler/codec/frame/FrameDecoder.html


Shay Banon wrote:
> Where is it exactly?
> 
> On Thu, May 13, 2010 at 4:33 AM, Johnny Luong <
> johnny.luong at trustcommerce.com> wrote:
> 
>> Hi Shay,
>>
>> I think the example provided in the javadoc under Decoder Implementation
>> is what your trying to do and provides clarity...
>>
>> http://docs.jboss.org/netty/3.1/api/
>>
>> Best,
>> Johnny
>>
>>
>> Shay Banon wrote:
>>> Hi,
>>>
>>>    I have a problem and am trying to find the best solution for. In
>> netty, I
>>> am using a FrameDecoder that simply does the following:
>>>
>>>     protected Object decode(ChannelHandlerContext ctx, Channel channel,
>>> ChannelBuffer buffer) throws Exception {
>>>
>>>         if (buffer.readableBytes() < 4) {
>>>             return null;
>>>         }
>>>
>>>         int dataLen = buffer.getInt(buffer.readerIndex());
>>>         if (dataLen <= 0) {
>>>             throw new StreamCorruptedException("invalid data length: " +
>>> dataLen);
>>>         }
>>>
>>>         if (buffer.readableBytes() < dataLen + 4) {
>>>             return null;
>>>         }
>>>
>>>         buffer.skipBytes(4);
>>>
>>>         return buffer;
>>>     }
>>>
>>> On the next handler, I use the buffer to extract the request from (and
>> other
>>> information). The problem I have is that something might fail and I won't
>>> read the whole buffer. In this case, things gets corrupted for requests
>> that
>>> follow. Once I do read the whole buffer, things works correctly. I can
>>> skipBytes in the size of (writerIndex - readerIndex) in case of an
>>> exception, but then I wonder how does the built in ObjectDecoder handles
>>> this case..., maybe I am missing something?
>>>
>>> cheers,
>>> shay.banon
>>>
>>>
>>>
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>>>
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> 
> 
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