Examples with SelectionKey java.nio.channels.SelectionKey used on opensource projects

Example 41 with SelectionKey

use of java.nio.channels.SelectionKey in project Openfire by igniterealtime.

the class ConferenceReceiver method initLoneReceiverChannel.

private void initLoneReceiverChannel(int loneReceiverPort) {
    if (this.loneReceiverPort != loneReceiverPort && loneReceiverChannel != null) {
        close();
    }
    this.loneReceiverPort = loneReceiverPort;
    try {
        selector = Selector.open();
    } catch (IOException e) {
        Logger.println("Conference receiver failed to open selector " + e.getMessage());
        return;
    }
    if (loneReceiverPort == 0) {
        return;
    }
    Logger.println("Init lone channel using port " + loneReceiverPort);
    try {
        loneReceiverChannel = DatagramChannel.open();
        if (Logger.logLevel >= Logger.LOG_INFO) {
            Logger.println("Opened lone receiver channel " + loneReceiverChannel);
        }
    } catch (IOException e) {
        Logger.println("Conference receiver failed to open DatagramChannel " + " " + e.getMessage());
        return;
    }
    try {
        loneReceiverChannel.configureBlocking(false);
    } catch (IOException e) {
        Logger.println("Conference receiver failed to configureBlocking to false " + e.getMessage());
        return;
    }
    DatagramSocket socket = loneReceiverChannel.socket();
    try {
        socket.setReceiveBufferSize(RtpSocket.MAX_RECEIVE_BUFFER);
    } catch (SocketException e) {
        Logger.println("ConferenceReceiver failed to set receive buffer size " + e.getMessage());
        return;
    }
    try {
        socket.setSoTimeout(0);
    } catch (SocketException e) {
        Logger.println("ConferenceReceiver failed to set timeout " + e.getMessage());
        return;
    }
    InetSocketAddress bridgeAddress = Bridge.getLocalBridgeAddress();
    InetSocketAddress isa = new InetSocketAddress(bridgeAddress.getAddress(), loneReceiverPort);
    try {
        socket.bind(isa);
    } catch (IOException e) {
        Logger.println("Conference receiver unable to bind to " + loneReceiverPort + " " + e.getMessage());
        return;
    }
    try {
        SelectionKey selectionKey = loneReceiverChannel.register(selector, SelectionKey.OP_READ);
    } catch (Exception e) {
        Logger.println("Conference receiver unable to register:  " + e.getMessage());
        return;
    }
    memberCount++;
    Logger.println("Lone Channel uses port " + loneReceiverPort);
}

Example 42 with SelectionKey

use of java.nio.channels.SelectionKey in project hs4j by killme2008.

the class AbstractNioSession method flush0.

protected final void flush0() {
    SelectionKey tmpKey = null;
    Selector writeSelector = null;
    int attempts = 0;
    try {
        while (true) {
            if (writeSelector == null) {
                writeSelector = SelectorFactory.getSelector();
                if (writeSelector == null) {
                    return;
                }
                tmpKey = selectableChannel.register(writeSelector, SelectionKey.OP_WRITE);
            }
            if (writeSelector.select(1000) == 0) {
                attempts++;
                if (attempts > 2) {
                    return;
                }
            } else {
                break;
            }
        }
        onWrite(selectableChannel.keyFor(writeSelector));
    } catch (ClosedChannelException cce) {
        onException(cce);
        log.error("Flush error", cce);
        close();
    } catch (IOException ioe) {
        onException(ioe);
        log.error("Flush error", ioe);
        close();
    } finally {
        if (tmpKey != null) {
            // Cancel the key.
            tmpKey.cancel();
            tmpKey = null;
        }
        if (writeSelector != null) {
            try {
                writeSelector.selectNow();
            } catch (IOException e) {
                log.error("Temp selector selectNow error", e);
            }
            // return selector
            SelectorFactory.returnSelector(writeSelector);
        }
    }
}

Example 43 with SelectionKey

use of java.nio.channels.SelectionKey in project Mycat-Server by MyCATApache.

the class NIOAcceptor method run.

@Override
public void run() {
    final Selector tSelector = this.selector;
    for (; ; ) {
        ++acceptCount;
        try {
            tSelector.select(1000L);
            Set<SelectionKey> keys = tSelector.selectedKeys();
            try {
                for (SelectionKey key : keys) {
                    if (key.isValid() && key.isAcceptable()) {
                        accept();
                    } else {
                        key.cancel();
                    }
                }
            } finally {
                keys.clear();
            }
        } catch (Exception e) {
            LOGGER.warn(getName(), e);
        }
    }
}

Example 44 with SelectionKey

use of java.nio.channels.SelectionKey in project Mycat-Server by MyCATApache.

the class NIOSocketWR method disableWrite.

private void disableWrite() {
    try {
        SelectionKey key = this.processKey;
        key.interestOps(key.interestOps() & OP_NOT_WRITE);
    } catch (Exception e) {
        AbstractConnection.LOGGER.warn("can't disable write " + e + " con " + con);
    }
}

Example 45 with SelectionKey

use of java.nio.channels.SelectionKey in project Mycat-Server by MyCATApache.

the class NIOSocketWR method enableRead.

public void enableRead() {
    boolean needWakeup = false;
    try {
        SelectionKey key = this.processKey;
        key.interestOps(key.interestOps() | SelectionKey.OP_READ);
        needWakeup = true;
    } catch (Exception e) {
        AbstractConnection.LOGGER.warn("enable read fail " + e);
    }
    if (needWakeup) {
        processKey.selector().wakeup();
    }
}