Package org.apache.mina.core.write

Examples of org.apache.mina.core.write.WriteRequestQueue


            return false;
        }

        final boolean hasFragmentation = session.getTransportMetadata().hasFragmentation();

        final WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();

        // Set limitation for the number of written bytes for read-write
        // fairness. I used maxReadBufferSize * 3 / 2, which yields best
        // performance in my experience while not breaking fairness much.
        final int maxWrittenBytes = session.getConfig().getMaxReadBufferSize()
                + (session.getConfig().getMaxReadBufferSize() >>> 1);
        int writtenBytes = 0;
        WriteRequest req = null;

        try {
            // Clear OP_WRITE
            setInterestedInWrite(session, false);

            do {
                // Check for pending writes.
                req = session.getCurrentWriteRequest();

                if (req == null) {
                    req = writeRequestQueue.poll(session);

                    if (req == null) {
                        break;
                    }

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     * {@inheritDoc}
     */
    public void write(S session, WriteRequest writeRequest) {
        // We will try to write the message directly
        long currentTime = System.currentTimeMillis();
        final WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();
        final int maxWrittenBytes = session.getConfig().getMaxReadBufferSize()
                + (session.getConfig().getMaxReadBufferSize() >>> 1);

        int writtenBytes = 0;

        try {
            for (;;) {
                if (writeRequest == null) {
                    writeRequest = writeRequestQueue.poll(session);

                    if (writeRequest == null) {
                        setInterestedInWrite(session, false);
                        break;
                    }
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            }
        }
    }

    private boolean flush(S session, long currentTime) throws Exception {
        final WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();
        final int maxWrittenBytes = session.getConfig().getMaxReadBufferSize()
                + (session.getConfig().getMaxReadBufferSize() >>> 1);

        int writtenBytes = 0;

        try {
            for (;;) {
                WriteRequest req = session.getCurrentWriteRequest();

                if (req == null) {
                    req = writeRequestQueue.poll(session);

                    if (req == null) {
                        setInterestedInWrite(session, false);
                        break;
                    }
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                }
            } else {
                s.increaseScheduledWriteMessages();
            }

            WriteRequestQueue writeRequestQueue = s.getWriteRequestQueue();

            if (!s.isWriteSuspended()) {
                if (writeRequestQueue.size() == 0) {
                    // We can write directly the message
                    s.getProcessor().write(s, writeRequest);
                } else {
                    s.getWriteRequestQueue().offer(s, writeRequest);
                    s.getProcessor().flush(s);
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        /**
         * {@inheritDoc}
         */
        public void write(SerialSessionImpl session, WriteRequest writeRequest) {
            WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();

            writeRequestQueue.offer(session, writeRequest);

            if (!session.isWriteSuspended()) {
                session.getProcessor().flush(session);
            }
        }
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        pushEvent(new IoEvent(IoEventType.MESSAGE_RECEIVED, getSession(), message));
    }

    private class VmPipeIoProcessor implements IoProcessor<VmPipeSession> {
        public void flush(VmPipeSession session) {
            WriteRequestQueue queue = session.getWriteRequestQueue0();
            if (!session.isClosing()) {
                session.getLock().lock();
                try {
                    if (queue.isEmpty(session)) {
                        return;
                    }
                    WriteRequest req;
                    long currentTime = System.currentTimeMillis();
                    while ((req = queue.poll(session)) != null) {
                        Object m = req.getMessage();
                        pushEvent(new IoEvent(IoEventType.MESSAGE_SENT, session, req), false);
                        session.getRemoteSession().getFilterChain().fireMessageReceived(getMessageCopy(m));
                        if (m instanceof IoBuffer) {
                            session.increaseWrittenBytes0(((IoBuffer) m).remaining(), currentTime);
                        }
                    }
                } finally {
                    if (flushEnabled) {
                        flushEvents();
                    }
                    session.getLock().unlock();
                }

                flushPendingDataQueues(session);
            } else {
                List<WriteRequest> failedRequests = new ArrayList<WriteRequest>();
                WriteRequest req;
                while ((req = queue.poll(session)) != null) {
                    failedRequests.add(req);
                }

                if (!failedRequests.isEmpty()) {
                    WriteToClosedSessionException cause = new WriteToClosedSessionException(failedRequests);
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        /**
         * {@inheritDoc}
         */
        public void write(VmPipeSession session, WriteRequest writeRequest) {
            WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();

            writeRequestQueue.offer(session, writeRequest);

            if (!session.isWriteSuspended()) {
                this.flush(session);
            }
        }
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            /**
             * {@inheritDoc}
             */
            public void write(AbstractIoSession session, WriteRequest writeRequest) {
                WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();

                writeRequestQueue.offer(session, writeRequest);

                if (!session.isWriteSuspended()) {
                    this.flush(session);
                }
            }
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    private boolean flush(S session, long currentTime) throws Exception {
        // Clear OP_WRITE
        setInterestedInWrite(session, false);

        final WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();
        final int maxWrittenBytes =
            session.getConfig().getMaxReadBufferSize() +
            (session.getConfig().getMaxReadBufferSize() >>> 1);

        int writtenBytes = 0;

        try {
            for (;;) {
                WriteRequest req = session.getCurrentWriteRequest();

                if (req == null) {
                    req = writeRequestQueue.poll(session);
                    if (req == null) {
                        break;
                    }
                    session.setCurrentWriteRequest(req);
                }
View Full Code Here

    private boolean flush(S session, long currentTime) throws Exception {
        // Clear OP_WRITE
        setInterestedInWrite(session, false);

        final WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();
        final int maxWrittenBytes =
            session.getConfig().getMaxReadBufferSize() +
            (session.getConfig().getMaxReadBufferSize() >>> 1);

        int writtenBytes = 0;
       
        try {
            for (;;) {
                WriteRequest req = session.getCurrentWriteRequest();
               
                if (req == null) {
                    req = writeRequestQueue.poll(session);
                    if (req == null) {
                        break;
                    }
                    session.setCurrentWriteRequest(req);
                }
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