Package org.apache.mina.common.IoFilter

Examples of org.apache.mina.common.IoFilter.WriteRequest

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    private void flush(DatagramSessionImpl session) throws IOException {
        DatagramChannel ch = session.getChannel();

        Queue writeRequestQueue = session.getWriteRequestQueue();

        WriteRequest req;
        for (;;) {
            synchronized (writeRequestQueue) {
                req = (WriteRequest) writeRequestQueue.first();
            }

            if (req == null)
                break;

            ByteBuffer buf = (ByteBuffer) req.getMessage();
            if (buf.remaining() == 0) {
                // pop and fire event
                synchronized (writeRequestQueue) {
                    writeRequestQueue.pop();
                }
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            for (int i = 0; i < data.length; i++) {
                if (data[i] instanceof WriteRequest) {
                    // TODO Optimize unefficient data transfer.
                    // Data will be returned to pendingDataQueue
                    // if getTraffic().isWritable() is false.
                    WriteRequest wr = (WriteRequest) data[i];
                    filterChain.doWrite(this, wr);
                } else {
                    // TODO Optimize unefficient data transfer.
                    // Data will be returned to pendingDataQueue
                    // if getTraffic().isReadable() is false.
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                return DefaultWriteFuture.newNotWrittenFuture(this);
            }
        }

        WriteFuture future = new DefaultWriteFuture(this);
        write0(new WriteRequest(message, future, remoteAddress));

        return future;
    }
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        }
    }

    private void releaseWriteBuffers(SocketSessionImpl session) {
        Queue writeRequestQueue = session.getWriteRequestQueue();
        WriteRequest req;

        if ((req = (WriteRequest) writeRequestQueue.pop()) != null) {
            ByteBuffer buf = (ByteBuffer) req.getMessage();
            try {
                buf.release();
            } catch (IllegalStateException e) {
                session.getFilterChain().fireExceptionCaught(session, e);
            } finally {
                // The first unwritten empty buffer must be
                // forwarded to the filter chain.
                if (buf.hasRemaining()) {
                    req.getFuture().setWritten(false);
                } else {
                    session.getFilterChain().fireMessageSent(session, req);                   
                }
            }

            // Discard others.
            while ((req = (WriteRequest) writeRequestQueue.pop()) != null) {
                try {
                    ((ByteBuffer) req.getMessage()).release();
                } catch (IllegalStateException e) {
                    session.getFilterChain().fireExceptionCaught(session, e);
                } finally {
                    req.getFuture().setWritten(false);
                }
            }
        }
    }
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        SocketChannel ch = session.getChannel();
        Queue writeRequestQueue = session.getWriteRequestQueue();

        for (;;) {
            WriteRequest req;

            synchronized (writeRequestQueue) {
                req = (WriteRequest) writeRequestQueue.first();
            }

            if (req == null)
                break;

            ByteBuffer buf = (ByteBuffer) req.getMessage();
            if (buf.remaining() == 0) {
                synchronized (writeRequestQueue) {
                    writeRequestQueue.pop();
                }
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    {
        DatagramChannel ch = session.getChannel();

        Queue writeRequestQueue = session.getWriteRequestQueue();

        WriteRequest req;
        for( ;; )
        {
            synchronized( writeRequestQueue )
            {
                req = ( WriteRequest ) writeRequestQueue.first();
            }

            if( req == null )
                break;

            ByteBuffer buf = ( ByteBuffer ) req.getMessage();
            if( buf.remaining() == 0 )
            {
                // pop and fire event
                synchronized( writeRequestQueue )
                {
                    writeRequestQueue.pop();
                }

                req.getFuture().setWritten( true );
                session.increaseWrittenWriteRequests();
                ( ( DatagramFilterChain ) session.getFilterChain() ).messageSent( session, buf );
                continue;
            }

            SelectionKey key = session.getSelectionKey();
            if( key == null )
            {
                scheduleFlush( session );
                break;
            }
            if( !key.isValid() )
            {
                continue;
            }

            int pos = buf.position();
            int writtenBytes = ch
                    .send( buf.buf(), session.getRemoteAddress() );

            if( writtenBytes == 0 )
            {
                // Kernel buffer is full
                key.interestOps( key.interestOps() | SelectionKey.OP_WRITE );
            }
            else if( writtenBytes > 0 )
            {
                key.interestOps( key.interestOps()
                                 & ( ~SelectionKey.OP_WRITE ) );

                // pop and fire event
                synchronized( writeRequestQueue )
                {
                    writeRequestQueue.pop();
                }

                session.increaseWrittenBytes( writtenBytes );
                req.getFuture().setWritten( true );
                session.increaseWrittenWriteRequests();
                ( ( DatagramFilterChain ) session.getFilterChain() ).messageSent( session, buf.position( pos ) );
            }
        }
    }
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                return WriteFuture.newNotWrittenFuture();
            }
        }

        WriteFuture future = new WriteFuture();
        write0( new WriteRequest( message, future ) );
       
        return future;
    }
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            for( int i = 0; i < data.length; i++ )
            {
                if( data[ i ] instanceof WriteRequest )
                {
                    WriteRequest wr = ( WriteRequest ) data[ i ];
                    filterChain.doWrite( this, wr );
                }
                else
                {
                    filterChain.messageReceived( this, data[ i ] );
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    private void run( String expectedResult )
    {
        chain.sessionCreated( session );
        chain.sessionOpened( session );
        chain.messageReceived( session, new Object() );
        chain.filterWrite( session, new WriteRequest( new Object() ) );
        chain.sessionIdle( session, IdleStatus.READER_IDLE );
        chain.exceptionCaught( session, new Exception() );
        chain.sessionClosed( session );
       
        result = formatResult( result );
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    public void testWriteEmptyStream() throws Exception
    {
        StreamWriteFilter filter = new StreamWriteFilter();
       
        InputStream stream = new ByteArrayInputStream( new byte[ 0 ] );
        WriteRequest writeRequest = new WriteRequest( stream );
       
        /*
         * Record expectations
         */
        nextFilter.messageSent( session, stream );
       
        /*
         * Replay.
         */
        mockNextFilter.replay();
        mockSession.replay();
       
        filter.filterWrite( nextFilter, session, writeRequest );
       
        /*
         * Verify.
         */
        mockNextFilter.verify();
        mockSession.verify();
       
        assertTrue( writeRequest.getFuture().isWritten() );
    }
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Related Classes of org.apache.mina.common.IoFilter.WriteRequest

  • org.apache.mina.common.IoFilterChainTest
  • org.apache.mina.common.support.BaseIoSession
  • org.apache.mina.filter.CompressionFilterTest
  • org.apache.mina.filter.CompressionFilterTest$DataMatcher
  • org.apache.mina.filter.StreamWriteFilterTest
  • org.apache.mina.filter.StreamWriteFilterTest$WriteRequestMatcher
  • org.apache.mina.filter.support.SSLHandler
  • org.apache.mina.transport.socket.nio.MultiThreadSocketIoProcessor
  • org.apache.mina.transport.socket.nio.SocketIoProcessor
  • org.apache.mina.transport.socket.nio.support.DatagramAcceptorDelegate
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