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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AMQCPP-371) bytesmessages's size doubled If Message body compression enabled
Date Fri, 06 May 2011 21:50:03 GMT

     [ https://issues.apache.org/jira/browse/AMQCPP-371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timothy Bish resolved AMQCPP-371.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 3.5.0

Fixed in trunk, thanks for your contribution.

> bytesmessages's size  doubled If Message body compression enabled
> -----------------------------------------------------------------
>
>                 Key: AMQCPP-371
>                 URL: https://issues.apache.org/jira/browse/AMQCPP-371
>             Project: ActiveMQ C++ Client
>          Issue Type: Bug
>          Components: CMS Impl
>    Affects Versions: 3.0, 3.3.0
>         Environment: windows 3.4.0
>            Reporter: 邱承
>            Assignee: Timothy Bish
>             Fix For: 3.5.0
>
>
> If the URI option connection.useCompression=true, an ActiveMQBytesMessage's size will
always become doubled. I changed the ActiveMQByteMessage.cpp as follow, the problem seems
been solved.
> {code}
> class ByteCounterOutputStream : public FilterOutputStream {
> private:
> int* length;
> private:
> ByteCounterOutputStream( const ByteCounterOutputStream& );
> ByteCounterOutputStream operator= ( const ByteCounterOutputStream& );
> public:
> ByteCounterOutputStream( int* length, OutputStream* stream, bool own = false )
> : FilterOutputStream( stream, own ), length( length ) {
> }
> virtual ~ByteCounterOutputStream() {}
> protected:
> virtual void doWriteByte( unsigned char value ) {
> (*length)++;
> FilterOutputStream::doWriteByte( value );
> }
> virtual void doWriteArray( const unsigned char* buffer, int size ) {
> //(*length) += size; removed because of length has been double sized
> FilterOutputStream::doWriteArray( buffer, size );
> }
> virtual void doWriteArrayBounded( const unsigned char* buffer, int size, int offset,
int length ) {
> //(*this->length) += length; removed because of length has been double sized
> FilterOutputStream::doWriteArrayBounded( buffer, size, offset, length );
> }
> };
> {code}

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