Examples of SelectorProvider

java.nio.channels.spi.SelectorProvider
Provider for nio selector and selectable channel.
The provider can be got by system property or the configuration file in a jar file, if not, the system default provider will return. The main function of this class is to return the instance of implementation class of DatagramChannel, Pipe, Selector , ServerSocketChannel, and SocketChannel. All the methods of this class are multi-thread safe.

Examples of java.nio.channels.spi.SelectorProvider

    public static SocketChannel attach(int fd) throws Exception {
        Class<?> cls = UnsafeTcp.class.getClassLoader().loadClass("sun.nio.ch.SocketChannelImpl");


        Constructor<?> ctor = cls.getDeclaredConstructor(SelectorProvider.class, FileDescriptor.class, InetSocketAddress.class);


        SelectorProvider provider = SelectorProvider.provider();
        FileDescriptor fileDesc = UnsafeFs.createFileDescriptor( fd );


        ctor.setAccessible(true);
        SocketChannel socketChannel = (SocketChannel) ctor.newInstance(provider, fileDesc, null);

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Examples of java.nio.channels.spi.SelectorProvider

            .forName("sun.nio.ch.EPollSelectorProvider");
        if (providerClazz != null) {
          try {
            Method method = providerClazz.getMethod("provider");
            if (method != null) {
              SelectorProvider selectorProvider = (SelectorProvider) method
                  .invoke(null);
              if (selectorProvider != null) {
                result = selectorProvider.openSelector();
              }
            }
          } catch (Exception e) {
            // ignore
          }

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Examples of java.nio.channels.spi.SelectorProvider


    /**
     * @tests AbstractSelectableChannel#provider()
     */
    public void test_provider() {
        SelectorProvider provider = testChannel.provider();
        assertSame(SelectorProvider.provider(), provider);
        testChannel = new MockSelectableChannel(null);
        provider = testChannel.provider();
        assertNull(provider);
    }

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Examples of java.nio.channels.spi.SelectorProvider

     */
    private synchronized SelectorInfo get(SelectableChannel channel)
        throws IOException {
      SelectorInfo selInfo = null;


      SelectorProvider provider = channel.provider();


      // pick the list : rarely there is more than one provider in use.
      ProviderInfo pList = providerList;
      while (pList != null && pList.provider != provider) {
        pList = pList.next;
      }
      if (pList == null) {
        // LOG.info("Creating new ProviderInfo : " + provider.toString());
        pList = new ProviderInfo();
        pList.provider = provider;
        pList.queue = new LinkedList<SelectorInfo>();
        pList.next = providerList;
        providerList = pList;
      }


      LinkedList<SelectorInfo> queue = pList.queue;


      if (queue.isEmpty()) {
        Selector selector = provider.openSelector();
        selInfo = new SelectorInfo();
        selInfo.selector = selector;
        selInfo.queue = queue;
      } else {
        selInfo = queue.removeLast();

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Examples of java.nio.channels.spi.SelectorProvider

  @Override
  public SocketChannel accept() throws IOException {
    try {
      begin();
      SocketUDT socketUDT = serverSocketUDT.accept();
      SelectorProvider provider = provider();
      return new ChannelSocketUDT(provider, socketUDT);
    } finally {
      end(true);
    }
  }

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Examples of java.nio.channels.spi.SelectorProvider

  @Override
  public SocketChannel accept() throws IOException {
    try {
      begin();
      SocketUDT socketUDT = serverSocketUDT.accept();
      SelectorProvider provider = provider();
      return new ChannelSocketUDT(provider, socketUDT);
    } finally {
      end(true);
    }
  }

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Examples of java.nio.channels.spi.SelectorProvider

            .forName("sun.nio.ch.EPollSelectorProvider");
        if (providerClazz != null) {
          try {
            Method method = providerClazz.getMethod("provider");
            if (method != null) {
              SelectorProvider selectorProvider = (SelectorProvider) method
                  .invoke(null);
              if (selectorProvider != null) {
                result = selectorProvider.openSelector();
              }
            }
          } catch (Exception e) {
            // ignore
          }

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Examples of java.nio.channels.spi.SelectorProvider


        return SelectorFactory.openWithRetryFrom(null, provider);
    }


    private void returnToPool(Selector selector) {
        SelectorProvider provider = selector.provider();
        List<Selector> providerPool = pool.get(provider);
        if (providerPool == null) {
            providerPool = new LinkedList<Selector>();
            pool.put(provider, providerPool);
        }

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Examples of java.nio.channels.spi.SelectorProvider

  @Override
  public SocketChannel accept() throws IOException {
    try {
      begin();
      SocketUDT socketUDT = serverSocketUDT.accept();
      SelectorProvider provider = provider();
      return new ChannelSocketUDT(provider, socketUDT);
    } finally {
      end(true);
    }
  }

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Examples of java.nio.channels.spi.SelectorProvider

        // Now create the channel. If the socket is a streams socket then
        // we see if tthere is a peer (ie: connected). If so, then we
        // create a SocketChannel, otherwise a ServerSocketChannel.
        // If the socket is a datagram socket then create a DatagramChannel


        SelectorProvider provider = SelectorProvider.provider();
        assert provider instanceof sun.nio.ch.SelectorProviderImpl;


        Channel c;
        if (st == SOCK_STREAM) {
            InetAddress ia = peerAddress0(fdVal);

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