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

Example 21 with SelectableChannel

use of java.nio.channels.SelectableChannel 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 22 with SelectableChannel

use of java.nio.channels.SelectableChannel in project heron by twitter.

the class HeronServerTest method testHandleError.

/**
   * Method: handleError(SelectableChannel channel)
   */
@Test
public void testHandleError() throws Exception {
    runBase();
    Map<SocketChannel, SocketChannelHelper> activeConnections = heronServer.getActiveConnections();
    SelectableChannel channel = activeConnections.keySet().iterator().next();
    heronServer.handleError(channel);
    Assert.assertEquals(0, activeConnections.size());
}

Example 23 with SelectableChannel

use of java.nio.channels.SelectableChannel in project jeromq by zeromq.

the class ZPoller method add.

// add an item to this poller
protected boolean add(Object socketOrChannel, final ItemHolder holder) {
    if (socketOrChannel == null) {
        Socket socket = holder.socket();
        SelectableChannel ch = holder.item().getRawSocket();
        if (socket == null) {
            // not a socket
            assert (ch != null);
            socketOrChannel = ch;
        }
        if (ch == null) {
            // not a channel
            assert (socket != null);
            socketOrChannel = socket;
        }
    }
    assert (socketOrChannel != null);
    Set<ItemHolder> holders = items.get(socketOrChannel);
    if (holders == null) {
        holders = createContainer(1);
        items.put(socketOrChannel, holders);
    }
    final boolean rc = holders.add(holder);
    if (rc) {
        all.add(holder);
    }
    return rc;
}

Example 24 with SelectableChannel

use of java.nio.channels.SelectableChannel in project jdk8u_jdk by JetBrains.

the class FileChannelImpl method transferToDirectly.

private long transferToDirectly(long position, int icount, WritableByteChannel target) throws IOException {
    if (!transferSupported)
        return IOStatus.UNSUPPORTED;
    FileDescriptor targetFD = null;
    if (target instanceof FileChannelImpl) {
        if (!fileSupported)
            return IOStatus.UNSUPPORTED_CASE;
        targetFD = ((FileChannelImpl) target).fd;
    } else if (target instanceof SelChImpl) {
        // Direct transfer to pipe causes EINVAL on some configurations
        if ((target instanceof SinkChannelImpl) && !pipeSupported)
            return IOStatus.UNSUPPORTED_CASE;
        // Platform-specific restrictions. Now there is only one:
        // Direct transfer to non-blocking channel could be forbidden
        SelectableChannel sc = (SelectableChannel) target;
        if (!nd.canTransferToDirectly(sc))
            return IOStatus.UNSUPPORTED_CASE;
        targetFD = ((SelChImpl) target).getFD();
    }
    if (targetFD == null)
        return IOStatus.UNSUPPORTED;
    int thisFDVal = IOUtil.fdVal(fd);
    int targetFDVal = IOUtil.fdVal(targetFD);
    if (// Not supported on some configurations
    thisFDVal == targetFDVal)
        return IOStatus.UNSUPPORTED;
    if (nd.transferToDirectlyNeedsPositionLock()) {
        synchronized (positionLock) {
            long pos = position();
            try {
                return transferToDirectlyInternal(position, icount, target, targetFD);
            } finally {
                position(pos);
            }
        }
    } else {
        return transferToDirectlyInternal(position, icount, target, targetFD);
    }
}

Example 25 with SelectableChannel

use of java.nio.channels.SelectableChannel in project geode by apache.

the class ServerConnection method makeBlocking.

/**
   * Switch this guy to blocking mode so we can use oldIO to read and write msgs.
   */
public void makeBlocking() throws IOException {
    // logger.info("DEBUG: makeBlocking " + this);
    // if (this.sKey != null) {
    // this.sKey = null;
    // }
    SelectableChannel c = this.theSocket.getChannel();
    c.configureBlocking(true);
}