Package org.apache.mina.util

Examples of org.apache.mina.util.Queue

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                synchronized( decoder )
                {
                    decoder.decode( psession, in, psession.decOut );
                }

                Queue queue = psession.decOut.getMessageQueue();
                synchronized( queue )
                {
                    if( !queue.isEmpty() )
                    {
                        do
                        {
                            managerFilterChain.messageReceived( psession, queue.pop() );
                        }
                        while( !queue.isEmpty() );
                    }
                }
            }
            catch( ProtocolViolationException pve )
            {
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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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            return false;
        }
        key.interestOps(key.interestOps() & (~SelectionKey.OP_WRITE));

        DatagramChannel ch = session.getChannel();
        Queue writeRequestQueue = session.getWriteRequestQueue();

        int writtenBytes = 0;
        int maxWrittenBytes = ((DatagramSessionConfig) session.getConfig()).getSendBufferSize() << 1;
        try {
            for (;;) {
                WriteRequest req;
                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();
                    }

                    buf.reset();
   
                    if (!buf.hasRemaining()) {
                        session.increaseWrittenMessages();
                    }
                   
                    ((DatagramFilterChain) session.getFilterChain())
                            .fireMessageSent(session, req);
                    continue;
                }
   
                SocketAddress destination = req.getDestination();
                if (destination == null) {
                    destination = session.getRemoteAddress();
                }
   
                int localWrittenBytes = ch.send(buf.buf(), destination);
                writtenBytes += localWrittenBytes;
   
                if (localWrittenBytes == 0 || writtenBytes >= maxWrittenBytes) {
                    // Kernel buffer is full or wrote too much
                    key.interestOps(key.interestOps() | SelectionKey.OP_WRITE);
                    return false;
                } else {
                    // pop and fire event
                    synchronized (writeRequestQueue) {
                        writeRequestQueue.pop();
                    }
   
                    buf.reset();
                   
                    if (!buf.hasRemaining()) {
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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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            }

            // 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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            return false;
        }
        key.interestOps(key.interestOps() & (~SelectionKey.OP_WRITE));

        DatagramChannel ch = session.getChannel();
        Queue writeRequestQueue = session.getWriteRequestQueue();

        int writtenBytes = 0;
        int maxWrittenBytes = ((DatagramSessionConfig) session.getConfig()).getSendBufferSize() << 1;
        try {
            for (;;) {
                WriteRequest req;
                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();
                    }
   
                    buf.reset();
                   
                    if (!buf.hasRemaining()) {
                        session.increaseWrittenMessages();
                    }
                   
                    session.getFilterChain().fireMessageSent(session, req);
                    continue;
                }
   
                int localWrittenBytes = ch.write(buf.buf());
                writtenBytes += localWrittenBytes;
   
                if (localWrittenBytes == 0 || writtenBytes >= maxWrittenBytes) {
                    // Kernel buffer is full or wrote too much
                    key.interestOps(key.interestOps() | SelectionKey.OP_WRITE);
                    return false;
                } else {
                    key.interestOps(key.interestOps() & (~SelectionKey.OP_WRITE));
   
                    // pop and fire event
                    synchronized (writeRequestQueue) {
                        writeRequestQueue.pop();
                    }
   
                    buf.reset();
                   
                    if (!buf.hasRemaining()) {
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            SocketAddress serviceAddress, SocketAddress localAddress) {
        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.serviceAddress = serviceAddress;
        this.localAddress = localAddress;
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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 {
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        // Clear OP_WRITE
        SelectionKey key = session.getSelectionKey();
        key.interestOps(key.interestOps() & (~SelectionKey.OP_WRITE));

        Queue writeRequestQueue = session.getWriteRequestQueue();

        int writtenBytes = 0;
        int maxWrittenBytes = ((SocketSessionConfig) session.getConfig()).getSendBufferSize() << 1;
        try {
            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();
                    }
   
                    buf.reset();
                   
                    if (!buf.hasRemaining()) {
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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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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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