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.openteach.diamond.network.waverider.network.DefaultNetWorkClient.java

/**
 * ??//from   ww  w  .ja  v a 2s.  co m
 * @param key
 * @throws IOException
 */
private void onConnected(SelectionKey key) throws IOException {
    if (socketChannel.isConnectionPending()) {
        socketChannel.finishConnect();
        key.interestOps(SelectionKey.OP_READ);
        // ?
        state.set(NetworkStateEnum.NETWORK_STATE_CONNECTED.value);
        logger.info(new StringBuilder("Connected to server:").append(hostName).append(":").append(port));
    }
}

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From source file:edu.tsinghua.lumaqq.qq.net.TCPPort.java

public void processConnect(SelectionKey sk) throws IOException {
    //?SocketChannel
    channel.finishConnect();/*from   w  w w. j av  a  2 s .com*/
    while (!channel.isConnected()) {
        try {
            Thread.sleep(300);
        } catch (InterruptedException e) {
            // ??
        }
        channel.finishConnect();
    }
    sk.interestOps(SelectionKey.OP_READ);
    log.debug("QQ?");
}

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From source file:com.byteatebit.nbserver.simple.SelectorTask.java

@Override
public SelectionKey register(SelectableChannel channel, int ops, IOTask nioTask, IOTimeoutTask timeoutTask,
        long timeoutMs) {
    Preconditions.checkNotNull(channel, "channel cannot be null");
    Preconditions.checkNotNull(nioTask, "nioTask cannot be null");
    IOTimeoutTask ioTimeoutTask = timeoutTask == null ? defaultIoTimeoutTask : timeoutTask;
    if (LOG.isDebugEnabled())
        LOG.debug("registering channel " + channel + "for ops " + ops + " and task " + nioTask);
    SelectionKey key = null;
    NioSelectionKeyEntry selectionKeyEntry = null;
    synchronized (this) {
        try {//  w ww.j a va  2  s.c  o  m
            key = channel.keyFor(selector);
            if (key != null) {
                key.interestOps(key.interestOps() | ops);
                selectionKeyEntry = (NioSelectionKeyEntry) key.attachment();
            } else {
                selectionKeyEntry = new NioSelectionKeyEntry();
                key = channel.register(selector, ops, selectionKeyEntry);
            }
        } catch (ClosedChannelException e) {
            throw new SelectorException(e);
        }
        selectionKeyEntry.setTask(nioTask, ioTimeoutTask, ops, timeoutMs);
    }
    if (LOG.isDebugEnabled())
        LOG.debug("Total number of selection keys: " + selector.keys().size());
    return key;
}

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From source file:edu.tsinghua.lumaqq.qq.net.AbstractProxy.java

public void processConnect(SelectionKey sk) throws IOException {
    if (connected)
        return;//w  w  w. j  av  a2s. co m
    //?SocketChannel
    socketChannel.finishConnect();
    while (!socketChannel.isConnected()) {
        try {
            Thread.sleep(300);
        } catch (InterruptedException e) {
            // ??
        }
        socketChannel.finishConnect();
    }
    sk.interestOps(SelectionKey.OP_READ);
    connected = true;
    log.debug("??");
}

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

/**
 * ?, ?, ?, ??//w  w w  .jav  a 2s  .  c  o  m
 * @throws IOException
 * @throws InterruptedException
 */
private void dispatch() throws IOException, InterruptedException {
    logger.debug("try dispatch");
    SelectionKey key = null;
    key = opsChangeRequest.getChannel().keyFor(selector);
    if (key != null) {
        if ((opsChangeRequest.getOps() & SelectionKey.OP_WRITE) == SelectionKey.OP_WRITE) {
            // 
            key.interestOps(SelectionKey.OP_WRITE);
            opsChangeRequest.clearOps(SelectionKey.OP_WRITE);
        } else if ((opsChangeRequest.getOps() & SelectionKey.OP_READ) == SelectionKey.OP_READ) {
            key.interestOps(SelectionKey.OP_READ);
            opsChangeRequest.clearOps(SelectionKey.OP_READ);
        }
    }

    // ?,  
    isWeakuped.set(false);
    if (selector.select(WaveriderConfig.WAVERIDER_DEFAULT_NETWORK_TIME_OUT) <= 0) {
        return;
    }

    // ?
    Iterator<SelectionKey> iterator = selector.selectedKeys().iterator();
    while (iterator.hasNext()) {
        key = (SelectionKey) iterator.next();
        iterator.remove();
        if (!key.isValid()) {
            continue;
        } else if (key.isReadable()) {
            onRead(key);
        } else if (key.isWritable()) {
            onWrite(key);
        }
    }
}

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

private void dispatch() throws IOException {
    logger.debug("try dispatch");
    SelectionKey key = null;
    for (SocketChannelOPSChangeRequest request : opsChangeRequstMap.values()) {
        key = request.getChannel().keyFor(selector);
        if (key != null) {
            // /*from ww w  . ja  v a  2 s .  c  o m*/
            if ((request.getOps() & SelectionKey.OP_WRITE) == SelectionKey.OP_WRITE) {
                key.interestOps(SelectionKey.OP_WRITE);
                request.clearOps(SelectionKey.OP_WRITE);
            } else if ((request.getOps() & SelectionKey.OP_READ) == SelectionKey.OP_READ) {
                key.interestOps(SelectionKey.OP_READ);
                request.clearOps(SelectionKey.OP_READ);
            }
        }
    }

    isWeakuped.set(false);
    if (selector.select(WaveriderConfig.WAVERIDER_DEFAULT_NETWORK_TIME_OUT) <= 0) {
        return;
    }

    Iterator<SelectionKey> iterator = selector.selectedKeys().iterator();
    while (iterator.hasNext()) {
        key = (SelectionKey) iterator.next();
        iterator.remove();
        try {
            if (!key.isValid()) {
                continue;
            } else if (key.isAcceptable()) {
                onAccept(key);
            } else if (key.isReadable()) {
                //readerExecutor.execute(new NetworkTask(key, NETWORK_OPERATION_READ));
                onRead(key);
            } else if (key.isWritable()) {
                //writerExecutor.execute(new NetworkTask(key, NETWORK_OPERATION_WRITE));
                onWrite(key);
            }
        } catch (IOException e) {
            // 
            opsChangeRequstMap.remove((SocketChannel) key.channel());
            Session session = (Session) key.attachment();
            if (session != null) {
                session.onException(e);
                // Session
                sessionManager.freeSession(session);
            }
            key.cancel();
            key.channel().close();
            e.printStackTrace();
            logger.error("OOPSException", e);
        }
    }
}

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From source file:com.l2jfree.network.mmocore.ReadWriteThread.java

private void finishConnection(SelectionKey key) {
    try {//ww  w .  j  a v a  2  s .  com
        ((SocketChannel) key.channel()).finishConnect();
    } catch (IOException e) {
        @SuppressWarnings("unchecked")
        T con = (T) key.attachment();
        closeConnectionImpl(con, true);
        return;
    }

    // key might have been invalidated on finishConnect()
    if (key.isValid()) {
        key.interestOps(key.interestOps() | SelectionKey.OP_READ);
        key.interestOps(key.interestOps() & ~SelectionKey.OP_CONNECT);
    }
}

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From source file:de.kapsi.net.daap.nio.DaapServerNIO.java

/**
 * Read data/*from  w  w  w  .  j  a v  a  2 s .c o m*/
 * 
 * @throws IOException
 */
private void processRead(SelectionKey sk) throws IOException {

    if (!sk.isValid())
        return;

    DaapConnectionNIO connection = (DaapConnectionNIO) sk.attachment();
    SocketChannel channel = (SocketChannel) sk.channel();

    boolean keepAlive = false;

    keepAlive = connection.read();

    if (keepAlive) {
        sk.interestOps(connection.interrestOps());
    } else {
        cancel(sk);
    }
}

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From source file:de.kapsi.net.daap.nio.DaapServerNIO.java

/**
 * Notify all clients about an update of the Library
 *///from   w w w.  j av a 2 s  .c om
private void processUpdate() {

    Set keys = selector.keys();
    Iterator it = keys.iterator();
    while (it.hasNext()) {
        SelectionKey sk = (SelectionKey) it.next();
        SelectableChannel channel = (SelectableChannel) sk.channel();

        if (channel instanceof SocketChannel) {

            DaapConnection connection = (DaapConnection) sk.attachment();

            if (connection.isDaapConnection()) {
                try {
                    connection.update();
                    if (sk.isValid()) {
                        try {
                            sk.interestOps(SelectionKey.OP_READ | SelectionKey.OP_WRITE);
                        } catch (CancelledKeyException err) {
                            cancel(sk);
                            LOG.error("SelectionKey.interestOps()", err);
                        }
                    }
                } catch (ClosedChannelException err) {
                    cancel(sk);
                    LOG.error("DaapConnection.update()", err);
                } catch (IOException err) {
                    cancel(sk);
                    LOG.error("DaapConnection.update()", err);
                }
            }
        }
    }
}

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From source file:de.kapsi.net.daap.nio.DaapServerNIO.java

/**
 * Write data/*from   ww w . j a  v  a 2 s. co m*/
 * 
 * @throws IOException
 */
private void processWrite(SelectionKey sk) throws IOException {

    if (!sk.isValid())
        return;

    DaapConnectionNIO connection = (DaapConnectionNIO) sk.attachment();
    SocketChannel channel = (SocketChannel) sk.channel();

    boolean keepAlive = false;

    try {
        keepAlive = connection.write();
    } catch (DaapStreamException err) {

        // Broken pipe: User pressed Pause, fast-foward 
        // or whatever. Just close the connection and go 
        // ahead
        keepAlive = false;
        //LOG.error(err);
    }

    if (keepAlive) {
        sk.interestOps(connection.interrestOps());

    } else {
        cancel(sk);
    }
}

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