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

Example 91 with SelectionKey

use of java.nio.channels.SelectionKey in project Aeron by real-logic.

the class DataTransportPoller method registerForRead.

public SelectionKey registerForRead(final ReceiveChannelEndpoint transport) {
    SelectionKey key = null;
    try {
        transports = ArrayUtil.add(transports, transport);
        key = transport.receiveDatagramChannel().register(selector, SelectionKey.OP_READ, transport);
    } catch (final ClosedChannelException ex) {
        LangUtil.rethrowUnchecked(ex);
    }
    return key;
}

Example 92 with SelectionKey

use of java.nio.channels.SelectionKey in project robovm by robovm.

the class UnixSelectorTest method testSelectUnConnectedChannel.

public void testSelectUnConnectedChannel() throws Exception {
    SocketChannel socketChannel2 = SocketChannel.open();
    socketChannel2.configureBlocking(false);
    Selector sel3 = Selector.open();
    SelectionKey mkey3 = socketChannel2.register(sel3, SelectionKey.OP_WRITE);
    // HUP is also treating as writable
    assertEquals(1, sel3.select(100));
    assertEquals(false, mkey3.isConnectable());
    // even the channel is not connected, the selector could be writable
    assertEquals(false, socketChannel2.isConnected());
    assertEquals(true, mkey3.isWritable());
    Selector sel4 = Selector.open();
    SelectionKey mkey4 = socketChannel2.register(sel4, SelectionKey.OP_CONNECT);
    assertEquals(1, sel4.select(100));
    assertEquals(false, mkey4.isWritable());
    assertEquals(true, mkey4.isConnectable());
    Selector sel5 = Selector.open();
    SelectionKey mkey5 = socketChannel2.register(sel5, SelectionKey.OP_CONNECT | SelectionKey.OP_WRITE);
    assertEquals(1, sel5.select(100));
    assertEquals(true, mkey5.isWritable());
    assertEquals(true, mkey5.isConnectable());
}

Example 93 with SelectionKey

use of java.nio.channels.SelectionKey in project robovm by robovm.

the class AbstractSelectableChannelTest method test_keyfor_LSelector.

/**
     * @tests AbstractSelectableChannel#keyFor(Selector)
     */
public void test_keyfor_LSelector() throws Exception {
    SocketChannel sc = SocketChannel.open();
    Object argObj = new Object();
    sc.configureBlocking(false);
    Selector acceptSelector = SelectorProvider.provider().openSelector();
    Selector acceptSelectorOther = SelectorProvider.provider().openSelector();
    SelectionKey acceptKey = sc.register(acceptSelector, SelectionKey.OP_READ, argObj);
    assertEquals(sc.keyFor(acceptSelector), acceptKey);
    SelectionKey acceptKeyObjNull = sc.register(acceptSelector, SelectionKey.OP_READ, null);
    assertSame(sc.keyFor(acceptSelector), acceptKeyObjNull);
    assertSame(acceptKeyObjNull, acceptKey);
    SelectionKey acceptKeyOther = sc.register(acceptSelectorOther, SelectionKey.OP_READ, null);
    assertSame(sc.keyFor(acceptSelectorOther), acceptKeyOther);
}

Example 94 with SelectionKey

use of java.nio.channels.SelectionKey in project robovm by robovm.

the class AbstractSelectableChannelTest method test_register_LSelectorILObject.

/**
     * @tests AbstractSelectableChannel#register(Selector, int, Object)
     */
public void test_register_LSelectorILObject() throws IOException {
    assertFalse(testChannel.isRegistered());
    Selector acceptSelector1 = SelectorProvider.provider().openSelector();
    Selector acceptSelector2 = new MockAbstractSelector(SelectorProvider.provider());
    SocketChannel sc = SocketChannel.open();
    sc.configureBlocking(false);
    SelectionKey acceptKey = sc.register(acceptSelector1, SelectionKey.OP_READ, null);
    assertNotNull(acceptKey);
    assertTrue(acceptKey.isValid());
    assertSame(sc, acceptKey.channel());
    //test that sc.register invokes Selector.register()
    acceptKey = sc.register(acceptSelector2, SelectionKey.OP_READ, null);
    assertNull(acceptKey);
    // Regression test to ensure acceptance of a selector with empty
    // interest set.
    SocketChannel channel = SocketChannel.open();
    channel.configureBlocking(false);
    Selector selector = Selector.open();
    channel.register(selector, 0);
    selector.close();
    channel.close();
}

Example 95 with SelectionKey

use of java.nio.channels.SelectionKey in project robovm by robovm.

the class AbstractSelectorTest method test_register_LSelectorI.

/**
     * @tests AbstractSelector#register(Selector,int)
     */
public void test_register_LSelectorI() throws Exception {
    Selector acceptSelector = SelectorProvider.provider().openSelector();
    ServerSocketChannel ssc = ServerSocketChannel.open();
    ssc.configureBlocking(false);
    assertFalse(ssc.isRegistered());
    SelectionKey acceptKey = ssc.register(acceptSelector, SelectionKey.OP_ACCEPT);
    assertTrue(ssc.isRegistered());
    assertNotNull(acceptKey);
    assertTrue(acceptSelector.keys().contains(acceptKey));
}