Package org.apache.mina.util

Examples of org.apache.mina.util.Queue

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        void doWrite( IoSession session )
        {
            IoProtocolSession psession = getProtocolSession( session );
            ProtocolEncoder encoder = psession.encoder;
            Queue writeQueue = psession.writeQueue;

            if( writeQueue.isEmpty() )
            {
                return;
            }

            try
            {
                while( !writeQueue.isEmpty() )
                {
                    synchronized( writeQueue )
                    {
                        Object message = writeQueue.pop();
                        if( message == null )
                            break;

                        Queue queue = psession.encOut.getBufferQueue();
                        encoder.encode( psession, message, psession.encOut );
                        for( ;; )
                        {
                            ByteBuffer buf = ( ByteBuffer ) queue.pop();
                            if( buf == null )
                                break;
                            // use marker only if it is the last ByteBuffer
                            Object marker = queue.isEmpty() ? message : null;
                            session.write( buf, marker );
                        }
                    }
                }
            }
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    }
   
    protected void doWrite( IoSession session, WriteRequest writeRequest )
    {
        DatagramSessionImpl s = ( DatagramSessionImpl ) session;
        Queue writeRequestQueue = s.getWriteRequestQueue();
       
        // SocketIoProcessor.doFlush() will reset it after write is finished
        // because the buffer will be passed with messageSent event.
        ( ( ByteBuffer ) writeRequest.getMessage() ).mark();
        synchronized( writeRequestQueue )
        {
            writeRequestQueue.push( writeRequest );
            if( writeRequestQueue.size() == 1 && session.getTrafficMask().isWritable() )
            {
                // Notify DatagramService only when writeRequestQueue was empty.
                s.getManagerDelegate().flushSession( s );
            }
        }
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    {
        this.wrapperManager = wrapperManager;
        this.managerDelegate = managerDelegate;
        this.filterChain = new DatagramFilterChain( this );
        this.ch = ch;
        this.writeRequestQueue = new Queue();
        this.handler = defaultHandler;
        this.remoteAddress = ch.socket().getRemoteSocketAddress();
        this.localAddress = ch.socket().getLocalSocketAddress();
        this.serviceAddress = serviceAddress;
        this.serviceConfig = serviceConfig;
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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();
                }

                session.increaseWrittenWriteRequests();
                buf.reset();
                ( ( DatagramFilterChain ) session.getFilterChain() ).messageSent( session, req );
                continue;
            }

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

            SocketAddress destination = req.getDestination();
            if( destination == null )
            {
                destination = session.getRemoteAddress();
            }
           
            int writtenBytes = ch.send( buf.buf(), destination );

            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 );
                session.increaseWrittenWriteRequests();
                buf.reset();
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        bufferQueue.push(newBuf);
    }
   
    public WriteFuture flush()
    {
        Queue bufferQueue = this.bufferQueue;
        WriteFuture future = null;
        if( bufferQueue.isEmpty() )
        {
            return null;
        }
        else
        {
            for( ;; )
            {
                ByteBuffer buf = ( ByteBuffer ) bufferQueue.pop();
                if( buf == null )
                {
                    break;
                }
               
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        this.manager = manager;
        this.serviceListeners = listeners;
        this.ioProcessor = ioProcessor;
        this.filterChain = new SocketFilterChain( this );
        this.ch = ch;
        this.writeRequestQueue = new Queue();
        this.handler = defaultHandler;
        this.remoteAddress = ch.socket().getRemoteSocketAddress();
        this.localAddress = ch.socket().getLocalSocketAddress();
        this.serviceAddress = serviceAddress;
        this.serviceConfig = serviceConfig;
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        this.manager = manager;
        this.serviceListeners = listeners;
        this.ioProcessor = ioProcessor;
        this.filterChain = new SocketFilterChain(this);
        this.ch = ch;
        this.writeRequestQueue = new Queue();
        this.handler = defaultHandler;
        this.remoteAddress = ch.socket().getRemoteSocketAddress();
        this.localAddress = ch.socket().getLocalSocketAddress();
        this.serviceAddress = serviceAddress;
        this.serviceConfig = serviceConfig;
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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();
                }

                session.increaseWrittenMessages();
                buf.reset();
                ((DatagramFilterChain) session.getFilterChain())
                        .fireMessageSent(session, req);
                continue;
            }

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

            SocketAddress destination = req.getDestination();
            if (destination == null) {
                destination = session.getRemoteAddress();
            }

            int writtenBytes = ch.send(buf.buf(), destination);

            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);
                session.increaseWrittenMessages();
                buf.reset();
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            }

            // The normal is OP_READ and, if there are write requests in the
            // session's write queue, set OP_WRITE to trigger flushing.
            int ops = SelectionKey.OP_READ;
            Queue writeRequestQueue = session.getWriteRequestQueue();
            synchronized (writeRequestQueue) {
                if (!writeRequestQueue.isEmpty()) {
                    ops |= SelectionKey.OP_WRITE;
                }
            }

            // Now mask the preferred ops with the mask of the current session
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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();
                }

                session.increaseWrittenMessages();
                buf.reset();
                session.getFilterChain().fireMessageSent(session, req);
                continue;
            }

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

            int writtenBytes = ch.write(buf.buf());

            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);
                session.increaseWrittenMessages();
                buf.reset();
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Related Classes of org.apache.mina.util.Queue

  • org.apache.mina.filter.codec.ProtocolCodecFilter
  • org.apache.mina.filter.codec.support.SimpleProtocolEncoderOutput
  • org.apache.mina.filter.StreamWriteFilter
  • org.apache.mina.filter.StreamWriteFilterTest
  • org.apache.mina.filter.ThreadPoolFilter
  • org.apache.mina.filter.ThreadPoolFilter$Worker
  • org.apache.mina.io.datagram.DatagramAcceptor
  • org.apache.mina.io.datagram.DatagramConnector
  • org.apache.mina.io.datagram.DatagramSession
  • org.apache.mina.io.datagram.DatagramSessionManagerFilterChain
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