Java Code Examples for org.xnio.channels.StreamSourceChannel#suspendReads()

The following examples show how to use org.xnio.channels.StreamSourceChannel#suspendReads() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: AbstractFramedChannel.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
@SuppressWarnings({"unchecked", "rawtypes"})
@Override
public void handleEvent(final StreamSourceChannel channel) {
    //clear the task queue before reading
    while (!taskRunQueue.isEmpty()) {
        taskRunQueue.poll().run();
    }

    final R receiver = AbstractFramedChannel.this.receiver;
    if ((readChannelDone || receivesSuspended) && receiver == null) {
        channel.suspendReads();
        return;
    } else {
        ChannelListener listener = receiveSetter.get();
        if(listener == null) {
            listener = DRAIN_LISTENER;
        }
        UndertowLogger.REQUEST_IO_LOGGER.tracef("Invoking receive listener", receiver);
        ChannelListeners.invokeChannelListener(AbstractFramedChannel.this, listener);
    }
    if (readData != null  && !readData.isFreed() && channel.isOpen()) {
        try {
            runInIoThread(new Runnable() {
                @Override
                public void run() {
                    ChannelListeners.invokeChannelListener(channel, FrameReadListener.this);
                }
            });
        } catch (RejectedExecutionException e) {
            IoUtils.safeClose(AbstractFramedChannel.this);
        }
    }
}
Example 2
Source File: DetachableStreamSourceChannel.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
public void handleEvent(final StreamSourceChannel channel) {
    ChannelListener<? super StreamSourceChannel> channelListener = setter.get();
    if(channelListener != null) {
        ChannelListeners.invokeChannelListener(this.channel, channelListener);
    } else {
        UndertowLogger.REQUEST_LOGGER.debugf("suspending reads on %s to prevent listener runaway", channel);
        channel.suspendReads();
    }
}
Example 3
Source File: UndertowXhrTransport.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
public void setup(StreamSourceChannel channel) {
	channel.suspendReads();
	channel.getReadSetter().set(this);
	channel.resumeReads();
}
Example 4
Source File: UndertowXhrTransport.java    From java-technology-stack with MIT License 4 votes vote down vote up 
public void setup(StreamSourceChannel channel) {
	channel.suspendReads();
	channel.getReadSetter().set(this);
	channel.resumeReads();
}
Example 5
Source File: ServletInputStreamImpl.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public void handleEvent(final StreamSourceChannel channel) {
    try {
        if (asyncContext.isDispatched()) {
            //this is no longer an async request
            //we just return
            //TODO: what do we do here? Revert back to blocking mode?
            channel.suspendReads();
            return;
        }
        if (anyAreSet(state, FLAG_FINISHED)) {
            channel.suspendReads();
            return;
        }
        readIntoBufferNonBlocking();
        if (pooled != null) {
            channel.suspendReads();
            setFlags(FLAG_READY);
            if (!anyAreSet(state, FLAG_FINISHED)) {
                setFlags(FLAG_BEING_INVOKED_IN_IO_THREAD);
                try {
                    request.getServletContext().invokeOnDataAvailable(request.getExchange(), listener);
                } finally {
                    clearFlags(FLAG_BEING_INVOKED_IN_IO_THREAD);
                }
                if(anyAreSet(state, FLAG_CALL_ON_ALL_DATA_READ) && allAreClear(state, FLAG_ON_DATA_READ_CALLED)) {
                    setFlags(FLAG_ON_DATA_READ_CALLED);
                    request.getServletContext().invokeOnAllDataRead(request.getExchange(), listener);
                }
            }
        } else if(anyAreSet(state, FLAG_FINISHED)) {
            if (allAreClear(state, FLAG_ON_DATA_READ_CALLED)) {
                setFlags(FLAG_ON_DATA_READ_CALLED);
                request.getServletContext().invokeOnAllDataRead(request.getExchange(), listener);
            }
        } else {
            channel.resumeReads();
        }
    } catch (final Throwable e) {
        try {
            request.getServletContext().invokeRunnable(request.getExchange(), new Runnable() {
                @Override
                public void run() {
                    listener.onError(e);
                }
            });
        } finally {
            if (pooled != null) {
                pooled.close();
                pooled = null;
            }
            IoUtils.safeClose(channel);
        }
    }
}
Example 6
Source File: UndertowXhrTransport.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
public void setup(StreamSourceChannel channel) {
	channel.suspendReads();
	channel.getReadSetter().set(this);
	channel.resumeReads();
}