Example usage for java.nio.channels SelectionKey interestOps

Introduction

In this page you can find the example usage for java.nio.channels SelectionKey interestOps.

Prototype

public abstract SelectionKey interestOps(int ops);

Source Link

Document

Sets this key's interest set to the given value.

Usage

From source file:com.facebook.infrastructure.net.UdpConnection.java

public void read(SelectionKey key) {
    key.interestOps(key.interestOps() & (~SelectionKey.OP_READ));
    ByteBuffer buffer = ByteBuffer.allocate(BUFFER_SIZE);
    try {//  w  w w .  j  a  va2s  . c  o  m
        SocketAddress sa = socketChannel_.receive(buffer);
        if (sa == null) {
            logger_.debug("*** No datagram packet was available to be read ***");
            return;
        }
        buffer.flip();

        byte[] bytes = gobbleHeaderAndExtractBody(buffer);
        if (bytes.length > 0) {
            DataInputStream dis = new DataInputStream(new ByteArrayInputStream(bytes));
            Message message = Message.serializer().deserialize(dis);
            if (message != null) {
                MessagingService.receive(message);
            }
        }
    } catch (IOException ioe) {
        logger_.warn(LogUtil.throwableToString(ioe));
    } finally {
        key.interestOps(key_.interestOps() | SelectionKey.OP_READ);
    }
}

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From source file:com.byteatebit.nbserver.task.ReadDelimitedMessageTask.java

protected void invokeExceptionHandler(SelectionKey selectionKey, Consumer<Exception> exceptionHandler,
        Exception exception) {//from   ww w. j  a  v  a  2 s  .c  o  m
    selectionKey.interestOps(selectionKey.interestOps() & ~SelectionKey.OP_READ);
    try {
        exceptionHandler.accept(exception);
    } catch (Exception e) {
        LOG.error("Read exception handler failed", e);
    }
}

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From source file:com.openteach.diamond.network.waverider.network.DefaultNetWorkServer.java

/**
 * ??, SessiononWrite, Session??// w  w  w .j  ava 2 s  . c o m
 * @param key
 * @throws IOException
 */
private void onWrite(SelectionKey key) throws IOException {
    key.interestOps(key.interestOps() & ~SelectionKey.OP_WRITE);
    Session session = (Session) key.attachment();
    session.onWrite();
    //key.interestOps(SelectionKey.OP_READ);
}

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From source file:com.facebook.infrastructure.net.TcpConnection.java

public void modifyKeyForRead(SelectionKey key) {
    key.interestOps(key_.interestOps() | SelectionKey.OP_READ);
}

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From source file:com.facebook.infrastructure.net.TcpConnection.java

public void modifyKeyForWrite(SelectionKey key) {
    key.interestOps(key_.interestOps() | SelectionKey.OP_WRITE);
}

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From source file:com.facebook.infrastructure.net.TcpConnection.java

public void read(SelectionKey key) {
    key.interestOps(key.interestOps() & (~SelectionKey.OP_READ));
    // publish this event onto to the TCPReadEvent Queue.
    MessagingService.getReadExecutor().execute(readWork_);
}

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From source file:com.facebook.infrastructure.net.TcpConnection.java

public void write(SelectionKey key) {
    key.interestOps(key.interestOps() & (~SelectionKey.OP_WRITE));
    doPendingWrites();//from  w  w w .  ja  v a 2 s.  com
    /*
     * This is executed only if we are in streaming mode.
     * Idea is that we read a chunk of data from a source
     * and wait to read the next from the source until we 
     * are siganlled to do so from here. 
    */
    resumeStreaming();
}

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From source file:com.facebook.infrastructure.net.TcpConnection.java

public void connect(SelectionKey key) {
    key.interestOps(key.interestOps() & (~SelectionKey.OP_CONNECT));
    try {/*from  w w  w . java2  s  .  c  om*/
        if (!socketChannel_.finishConnect()) {
            throw new IOException("Unable to finishConnect to " + socketChannel_);
        }
        SelectorManager.getSelectorManager().modifyKeyForRead(key);
        connected_.set(true);

        // this will flush the pending
        if (!pendingWrites_.isEmpty()) {
            SelectorManager.getSelectorManager().modifyKeyForWrite(key_);
        }
        resumeStreaming();
    } catch (IOException e) {
        logger_.error("Encountered IOException on connection: " + socketChannel_, e);
        errorClose();
    }
}

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From source file:com.openteach.diamond.network.waverider.network.DefaultNetWorkClient.java

/**
 * ?, outputBuffer/*from w w  w  . ja va2 s.c o m*/
 * ?
 * @param key
 * @throws IOException
 */
private void onWrite(SelectionKey key) throws IOException {
    logger.debug("onWrite");
    key.interestOps(key.interestOps() & ~SelectionKey.OP_WRITE);
    Command command = null;
    Packet packet = null;
    ByteBuffer data = null;
    //int size = 0;
    while ((command = outputBuffer.poll()) != null) {
        //size = 0;
        // ???
        packet = Packet.newDataPacket(command);
        // ???ByteBuffer
        data = packet.marshall();
        //size = data.remaining();
        while (data.hasRemaining()) {
            socketChannel.write(data);
        }
        socketChannel.socket().getOutputStream().flush();
        //logger.info("Slave write one packet, " + size + " bytes");
    }
    //key.interestOps(SelectionKey.OP_READ);
}

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From source file:oz.hadoop.yarn.api.net.ApplicationContainerServerImpl.java

/**
 * //from w  ww .j a  va  2 s.c om
 */
void doWrite(SelectionKey selectionKey, ByteBuffer buffer) {
    ByteBuffer message = ByteBufferUtils.merge(ByteBuffer.allocate(4).putInt(buffer.limit() + 4), buffer);
    message.flip();

    selectionKey.attach(message);
    selectionKey.interestOps(SelectionKey.OP_WRITE);
}

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