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

Example 61 with Selector

use of java.nio.channels.Selector in project cobar by alibaba.

the class NIOAcceptor method run.

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

Example 62 with Selector

use of java.nio.channels.Selector in project cobar by alibaba.

the class NIOConnector method run.

@Override
public void run() {
    final Selector selector = this.selector;
    for (; ; ) {
        ++connectCount;
        try {
            selector.select(1000L);
            connect(selector);
            Set<SelectionKey> keys = selector.selectedKeys();
            try {
                for (SelectionKey key : keys) {
                    Object att = key.attachment();
                    if (att != null && key.isValid() && key.isConnectable()) {
                        finishConnect(key, att);
                    } else {
                        key.cancel();
                    }
                }
            } finally {
                keys.clear();
            }
        } catch (Throwable e) {
            LOGGER.warn(name, e);
        }
    }
}

Example 63 with Selector

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

the class AbstractSelectableChannelTest method test_configureBlocking_Z_IllegalBlockingMode.

/**
     * @tests AbstractSelectableChannel#configureBlocking(boolean)
     */
public void test_configureBlocking_Z_IllegalBlockingMode() throws Exception {
    SocketChannel sc = SocketChannel.open();
    sc.configureBlocking(false);
    Selector acceptSelector = SelectorProvider.provider().openSelector();
    SelectionKey acceptKey = sc.register(acceptSelector, SelectionKey.OP_READ, null);
    assertEquals(sc.keyFor(acceptSelector), acceptKey);
    SelectableChannel getChannel = sc.configureBlocking(false);
    assertEquals(getChannel, sc);
    try {
        sc.configureBlocking(true);
        fail("Should throw IllegalBlockingModeException");
    } catch (IllegalBlockingModeException e) {
    // expected
    }
}

Example 64 with Selector

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

the class AbstractSelectableChannelTest method test_register_LSelectorILObject_IllegalArgument.

/**
     * @tests AbstractSelectableChannel#register(Selector, int, Object)
     */
public void test_register_LSelectorILObject_IllegalArgument() throws IOException {
    Selector acceptSelector = SelectorProvider.provider().openSelector();
    assertTrue(acceptSelector.isOpen());
    MockSelectableChannel msc = new MockSelectableChannel(SelectorProvider.provider());
    msc.configureBlocking(false);
    // in nonblocking mode
    try {
        //different SelectionKey with validOps
        msc.register(acceptSelector, SelectionKey.OP_READ, null);
        fail("Should throw IllegalArgumentException");
    } catch (IllegalArgumentException e) {
    // expected
    }
    try {
        msc.register(null, 0, null);
        fail("Should throw NullPointerException");
    } catch (NullPointerException e) {
    // expected
    }
    // in nonblocking mode, if selector closed
    acceptSelector.close();
    try {
        msc.register(acceptSelector, SelectionKey.OP_READ, null);
        fail("Should throw IllegalArgumentException");
    } catch (IllegalArgumentException e) {
    // expected
    }
    try {
        msc.register(null, 0, null);
        fail("Should throw NullPointerException");
    } catch (NullPointerException e) {
    // expected
    }
    try {
        msc.register(acceptSelector, 0, null);
        fail("Should throw IllegalSelectorException");
    } catch (IllegalSelectorException e) {
    // expected
    }
    acceptSelector = SelectorProvider.provider().openSelector();
    // test in blocking mode
    msc.configureBlocking(true);
    try {
        msc.register(acceptSelector, SelectionKey.OP_READ, null);
        fail("Should throw IllegalArgumentException");
    } catch (IllegalArgumentException e) {
    // expected
    }
    try {
        msc.register(null, 0, null);
        fail("Should throw IllegalBlockingModeException");
    } catch (IllegalBlockingModeException e) {
    // expected
    }
    acceptSelector.close();
    // in blocking mode, if selector closed
    try {
        msc.register(acceptSelector, SelectionKey.OP_READ, null);
        fail("Should throw IllegalArgumentException");
    } catch (IllegalArgumentException e) {
    // expected
    }
    try {
        msc.register(null, 0, null);
        fail("Should throw IllegalBlockingModeException");
    } catch (IllegalBlockingModeException e) {
    // expected
    }
    // register with an object
    Object argObj = new Object();
    SocketChannel sc = SocketChannel.open();
    sc.configureBlocking(false);
    try {
        sc.register(null, SelectionKey.OP_READ, argObj);
        fail("Should throw NullPointerException");
    } catch (NullPointerException e) {
    // expected
    }
    // if channel closed
    msc.close();
    try {
        msc.register(acceptSelector, SelectionKey.OP_READ, null);
        fail("Should throw ClosedChannelException");
    } catch (ClosedChannelException e) {
    // expected
    }
}

Example 65 with Selector

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

the class AbstractSelectorTest method test_provider.

/**
     * @tests AbstractSelector#provider()
     */
public void test_provider() throws IOException {
    Selector mockSelector = new MockAbstractSelector(SelectorProvider.provider());
    assertTrue(mockSelector.isOpen());
    assertSame(SelectorProvider.provider(), mockSelector.provider());
    mockSelector = new MockAbstractSelector(null);
    assertNull(mockSelector.provider());
}