Examples with SelectorProvider java.nio.channels.spi.SelectorProvider used on opensource projects

Example 11 with SelectorProvider

use of java.nio.channels.spi.SelectorProvider in project jdk8u_jdk by JetBrains.

the class SelectPipe method main.

public static void main(String[] args) throws Exception {
    SelectorProvider sp = SelectorProvider.provider();
    Selector selector = Selector.open();
    Pipe p = sp.openPipe();
    Pipe.SinkChannel sink = p.sink();
    Pipe.SourceChannel source = p.source();
    source.configureBlocking(false);
    sink.configureBlocking(false);
    SelectionKey readkey = source.register(selector, SelectionKey.OP_READ);
    SelectionKey writekey = sink.register(selector, SelectionKey.OP_WRITE);
    ByteBuffer outgoingdata = ByteBuffer.allocateDirect(10);
    byte[] someBytes = new byte[10];
    generator.nextBytes(someBytes);
    outgoingdata.put(someBytes);
    outgoingdata.flip();
    int totalWritten = 0;
    while (totalWritten < 10) {
        int written = sink.write(outgoingdata);
        if (written < 0)
            throw new Exception("Write failed");
        totalWritten += written;
    }
    if (selector.select(1000) == 0) {
        throw new Exception("test failed");
    }
    ByteBuffer incomingdata = ByteBuffer.allocateDirect(10);
    int totalRead = 0;
    do {
        int bytesRead = source.read(incomingdata);
        if (bytesRead > 0)
            totalRead += bytesRead;
    } while (totalRead < 10);
    sink.close();
    source.close();
    selector.close();
    for (int i = 0; i < 10; i++) if (outgoingdata.get(i) != incomingdata.get(i))
        throw new Exception("Pipe failed");
}

Example 12 with SelectorProvider

use of java.nio.channels.spi.SelectorProvider in project jdk8u_jdk by JetBrains.

the class Transfer method testReadableByteChannel.

private static void testReadableByteChannel(int size) throws Exception {
    SelectorProvider sp = SelectorProvider.provider();
    Pipe p = sp.openPipe();
    Pipe.SinkChannel sink = p.sink();
    Pipe.SourceChannel source = p.source();
    sink.configureBlocking(false);
    ByteBuffer outgoingdata = ByteBuffer.allocateDirect(size + 10);
    byte[] someBytes = new byte[size + 10];
    generator.nextBytes(someBytes);
    outgoingdata.put(someBytes);
    outgoingdata.flip();
    int totalWritten = 0;
    while (totalWritten < size + 10) {
        int written = sink.write(outgoingdata);
        if (written < 0)
            throw new Exception("Write failed");
        totalWritten += written;
    }
    File f = File.createTempFile("blah" + size, null);
    f.deleteOnExit();
    RandomAccessFile raf = new RandomAccessFile(f, "rw");
    FileChannel fc = raf.getChannel();
    long oldPosition = fc.position();
    long bytesWritten = fc.transferFrom(source, 0, size);
    fc.force(true);
    if (bytesWritten != size)
        throw new RuntimeException("Transfer failed");
    if (fc.position() != oldPosition)
        throw new RuntimeException("Position changed");
    if (fc.size() != size)
        throw new RuntimeException("Unexpected sink size " + fc.size());
    fc.close();
    sink.close();
    source.close();
    f.delete();
}

Example 13 with SelectorProvider

use of java.nio.channels.spi.SelectorProvider in project jdk8u_jdk by JetBrains.

the class EmptyRead method main.

public static void main(String[] args) throws Exception {
    SelectorProvider sp = SelectorProvider.provider();
    Pipe p = sp.openPipe();
    Pipe.SinkChannel sink = p.sink();
    Pipe.SourceChannel source = p.source();
    byte[] someBytes = new byte[0];
    ByteBuffer outgoingdata = ByteBuffer.wrap(someBytes);
    int totalWritten = 0;
    int written = sink.write(outgoingdata);
    if (written < 0)
        throw new Exception("Write failed");
    ByteBuffer incomingdata = ByteBuffer.allocateDirect(0);
    int read = source.read(incomingdata);
    if (read < 0)
        throw new Exception("Read EOF");
    sink.close();
    source.close();
}

Example 14 with SelectorProvider

use of java.nio.channels.spi.SelectorProvider in project webpieces by deanhiller.

the class ChannelManagerFactory method createFactory.

/**
 * All Keys(and some values) to put in the map variable can be found
 * as the constants in ChannelManaagerFactory
 */
public static ChannelManagerFactory createFactory(MeterRegistry metrics) {
    SelectorProvider provider = SelectorProvider.provider();
    JdkSelectorImpl selector = new JdkSelectorImpl(provider);
    return createFactory(selector, metrics);
}