Package java.nio.channels

Examples of java.nio.channels.DatagramChannel.configureBlocking()

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                if (ch.socket().getTrafficClass() != cfg.getTrafficClass()) {
                    ch.socket().setTrafficClass(cfg.getTrafficClass());
                }

                ch.configureBlocking(false);
                ch.socket().bind(req.address);
                if (req.address == null || req.address.getPort() == 0) {
                    req.address = (InetSocketAddress) ch.socket()
                            .getLocalSocketAddress();
                }
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            if (localAddress != null) {
                ch.socket().bind(localAddress);
            }
            ch.connect(address);
            ch.configureBlocking(false);
            initialized = true;
        } catch (IOException e) {
            return DefaultConnectFuture.newFailedFuture(e);
        } finally {
            if (!initialized && ch != null) {
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            if (c.socket().getTrafficClass() != cfg.getTrafficClass()) {
                c.socket().setTrafficClass(cfg.getTrafficClass());
            }
   
            c.configureBlocking(false);
            c.socket().bind(localAddress);
            c.register(selector, SelectionKey.OP_READ);
            success = true;
        } finally {
            if (!success) {
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            if( localAddress != null )
            {
                ch.socket().bind( localAddress );
            }
            ch.connect( address );
            ch.configureBlocking( false );
            initialized = true;
        }
        finally
        {
            if( !initialized )
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            DatagramChannel ch = null;
            try
            {
                ch = DatagramChannel.open();
                ch.configureBlocking( false );
                ch.socket().bind( req.address );
                ch.register( selector, SelectionKey.OP_READ, req );
                channels.put( req.address, ch );
            }
            catch( Throwable t )
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    protected DatagramChannel open(SocketAddress localAddress) throws Exception {
        final DatagramChannel c = DatagramChannel.open();
        boolean success = false;
        try {
            new NioDatagramSessionConfig(c).setAll(getSessionConfig());
            c.configureBlocking(false);
            c.socket().bind(localAddress);
            c.register(selector, SelectionKey.OP_READ);
            success = true;
        } finally {
            if (!success) {
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    }

    private static DatagramChannel openNonBlockingChannel() {
        try {
            final DatagramChannel channel = DatagramChannel.open();
            channel.configureBlocking(false);
            return channel;
        } catch (final IOException e) {
            throw new ChannelException("Failed to open a DatagramChannel.", e);
        }
    }
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  @Override
  public void connect(Address address, final ReadyConnection connection) {
    try {
      final DatagramChannel channel = DatagramChannel.open();
      try {
        channel.configureBlocking(false);
        final SelectionKey selectionKey = channel.register(selector, 0);
       
        final LinkedList<AddressedByteBuffer> toWriteQueue = new LinkedList<AddressedByteBuffer>();
 
        selectionKey.attach(new SelectionKeyVisitor() {
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        DatagramChannel channel = (DatagramChannel)getChannel();

        synchronized (channel.blockingLock()) {
            boolean oldBlocking = channel.isBlocking();

            channel.configureBlocking(false);

            try {
                return doReceiveTuple(runtime, length);

            } finally {
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            try {
                return doReceiveTuple(runtime, length);

            } finally {
                channel.configureBlocking(oldBlocking);
            }
        }
    }

    private static class ReceiveTuple {
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