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

org.apache.mina.core.write.WriteRequest
ache.org">Apache MINA Project


    public void testWritesWriteRequestQueueWhenFinished() throws Exception {
        AbstractStreamWriteFilter<M> filter = createFilter();
        M message = createMessage(new byte[0]);
        
        WriteRequest wrs[] = new WriteRequest[] {
                new DefaultWriteRequest(new Object(), new DummyWriteFuture()),
                new DefaultWriteRequest(new Object(), new DummyWriteFuture()),
                new DefaultWriteRequest(new Object(), new DummyWriteFuture()) };
        Queue<WriteRequest> queue = new LinkedList<WriteRequest>();
        queue.add(wrs[0]);

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    public void testCompression() throws Exception {
        // prepare the input data
        IoBuffer buf = IoBuffer.wrap(strCompress.getBytes("UTF8"));
        IoBuffer actualOutput = actualDeflater.deflate(buf);
        WriteRequest writeRequest = new DefaultWriteRequest(buf);


        // record all the mock calls
        ioFilterChain.contains(CompressionFilter.class);
        mockIoFilterChain.setReturnValue(false);

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    class DataMatcher extends AbstractMatcher {
        @Override
        protected boolean argumentMatches(Object arg0, Object arg1) {
            // we need to only verify the ByteBuffer output
            if (arg0 instanceof WriteRequest) {
                WriteRequest expected = (WriteRequest) arg0;
                WriteRequest actual = (WriteRequest) arg1;
                IoBuffer bExpected = (IoBuffer) expected.getMessage();
                IoBuffer bActual = (IoBuffer) actual.getMessage();
                return bExpected.equals(bActual);
            }
            return true;
        }

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                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()) {

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            IoBuffer buffer = getNextBuffer(stream);


            if (buffer == null) {
                // End of stream reached.
                session.removeAttribute(CURRENT_STREAM);
                WriteRequest currentWriteRequest = (WriteRequest) session
                        .removeAttribute(CURRENT_WRITE_REQUEST);


                // Write queued WriteRequests.
                Queue<WriteRequest> queue = removeWriteRequestQueue(session);
                if (queue != null) {
                    WriteRequest wr = queue.poll();
                    while (wr != null) {
                        filterWrite(nextFilter, session, wr);
                        wr = queue.poll();
                    }
                }

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                this.expected = expected;
        }
        
        public boolean matches(Object actual) {
            if (actual instanceof WriteRequest) {
                WriteRequest w2 = (WriteRequest) actual;


                return expected.getMessage().equals(w2.getMessage())
                        && expected.getFuture().isWritten() == w2.getFuture()
                        .isWritten();
            }
            return false;
        }

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        return false;
    }


    private void clearWriteRequestQueue(T session) {
        WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();
        WriteRequest req;


        List<WriteRequest> failedRequests = new ArrayList<WriteRequest>();


        if ((req = writeRequestQueue.poll(session)) != null) {
            Object m = req.getMessage();
            if (m instanceof IoBuffer) {
                IoBuffer buf = (IoBuffer) req.getMessage();


                // The first unwritten empty buffer must be
                // forwarded to the filter chain.
                if (buf.hasRemaining()) {
                    buf.reset();

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        try {
            // Clear OP_WRITE
            setInterestedInWrite(session, false);
            do {
                // Check for pending writes.
                WriteRequest req = session.getCurrentWriteRequest();
                if (req == null) {
                    req = writeRequestQueue.poll(session);
                    if (req == null) {
                        break;
                    }
                    session.setCurrentWriteRequest(req);
                }


                int localWrittenBytes = 0;
                Object message = req.getMessage();
                if (message instanceof IoBuffer) {
                    localWrittenBytes = writeBuffer(
                            session, req, hasFragmentation,
                            maxWrittenBytes - writtenBytes,
                            currentTime);

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                // Flush only when the buffer has remaining.
                if (!(encodedMessage instanceof IoBuffer) ||
                        ((IoBuffer) encodedMessage).hasRemaining()) {
                    SocketAddress destination = writeRequest.getDestination();
                    WriteRequest writeRequest = new EncodedWriteRequest(
                        encodedMessage, null, destination); 
                    nextFilter.filterWrite(session, writeRequest);
                }
            }
        }

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            (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);
                }


                IoBuffer buf = (IoBuffer) req.getMessage();
                if (buf.remaining() == 0) {
                    // Clear and fire event
                    session.setCurrentWriteRequest(null);
                    buf.reset();
                    session.getFilterChain().fireMessageSent(req);
                    continue;
                }


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


                int localWrittenBytes = send(session, buf, destination);

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