Example usage for java.nio.channels SocketChannel write

Introduction

In this page you can find the example usage for java.nio.channels SocketChannel write.

Prototype

public final long write(ByteBuffer[] srcs) throws IOException 

Source Link

Usage

From source file:reactor.io.net.http.PostAndGetTests.java

private void get(String path, SocketAddress address) {
    try {/*  w  ww  .  j av  a  2s  . c  om*/
        StringBuilder request = new StringBuilder().append(String.format("GET %s HTTP/1.1\r\n", path))
                .append("Connection: Keep-Alive\r\n").append("\r\n");
        java.nio.channels.SocketChannel channel = java.nio.channels.SocketChannel.open(address);
        System.out.println(String.format("get: request >> [%s]", request.toString()));
        channel.write(Buffer.wrap(request.toString()).byteBuffer());
        ByteBuffer buf = ByteBuffer.allocate(4 * 1024);
        while (channel.read(buf) > -1)
            ;
        String response = new String(buf.array());
        System.out.println(String.format("get: << Response: %s", response));
        channel.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:reactor.io.netty.http.PostAndGetTests.java

private void post(String path, String data, SocketAddress address) {
    try {//from   ww  w  .java  2 s . c  o m
        StringBuilder request = new StringBuilder().append(String.format("POST %s HTTP/1.1\r\n", path))
                .append("Connection: Keep-Alive\r\n");
        request.append(String.format("Content-Length: %s\r\n", data.length())).append("\r\n").append(data)
                .append("\r\n");
        java.nio.channels.SocketChannel channel = java.nio.channels.SocketChannel.open(address);
        System.out.println(String.format("post: request >> [%s]", request.toString()));
        channel.write(ByteBuffer.wrap(request.toString().getBytes()));
        ByteBuffer buf = ByteBuffer.allocate(4 * 1024);
        while (channel.read(buf) > -1)
            ;
        String response = new String(buf.array());
        System.out.println(String.format("post: << Response: %s", response));
        channel.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:reactor.io.net.http.PostAndGetTests.java

private void post(String path, String data, SocketAddress address) {
    try {/*from   w w w .  ja  v a2 s  .co m*/
        StringBuilder request = new StringBuilder().append(String.format("POST %s HTTP/1.1\r\n", path))
                .append("Connection: Keep-Alive\r\n");
        request.append(String.format("Content-Length: %s\r\n", data.length())).append("\r\n").append(data)
                .append("\r\n");
        java.nio.channels.SocketChannel channel = java.nio.channels.SocketChannel.open(address);
        System.out.println(String.format("post: request >> [%s]", request.toString()));
        channel.write(Buffer.wrap(request.toString()).byteBuffer());
        ByteBuffer buf = ByteBuffer.allocate(4 * 1024);
        while (channel.read(buf) > -1)
            ;
        String response = new String(buf.array());
        System.out.println(String.format("post: << Response: %s", response));
        channel.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:reactor.ipc.netty.http.client.PostAndGetTests.java

private void get(String path, SocketAddress address) {
    try {//from www.  j a  v a 2  s . c om
        StringBuilder request = new StringBuilder().append(String.format("GET %s HTTP/1.1\r\n", path))
                .append("Connection: Keep-Alive\r\n").append("\r\n");
        java.nio.channels.SocketChannel channel = java.nio.channels.SocketChannel.open(address);
        System.out.println(String.format("get: request >> [%s]", request.toString()));
        channel.write(ByteBuffer.wrap(request.toString().getBytes()));
        ByteBuffer buf = ByteBuffer.allocate(4 * 1024);
        while (channel.read(buf) > -1) {
        }
        String response = new String(buf.array());
        System.out.println(String.format("get: << Response: %s", response));
        channel.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:reactor.ipc.netty.http.client.PostAndGetTests.java

private void post(String path, String data, SocketAddress address) {
    try {/*from www.j av a 2 s .  co  m*/
        StringBuilder request = new StringBuilder().append(String.format("POST %s HTTP/1.1\r\n", path))
                .append("Connection: Keep-Alive\r\n");
        request.append(String.format("Content-Length: %s\r\n", data.length())).append("\r\n").append(data)
                .append("\r\n");
        java.nio.channels.SocketChannel channel = java.nio.channels.SocketChannel.open(address);
        System.out.println(String.format("post: request >> [%s]", request.toString()));
        channel.write(ByteBuffer.wrap(request.toString().getBytes()));
        ByteBuffer buf = ByteBuffer.allocate(4 * 1024);
        while (channel.read(buf) > -1) {
        }
        String response = new String(buf.array());
        Loggers.getLogger(PostAndGetTests.class).info("post: << " + "Response: %s", response);
        channel.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:com.byteatebit.nbserver.task.TestWriteMessageTask.java

@Test
public void testWriteFailed() throws IOException {
    SocketChannel socket = mock(SocketChannel.class);
    ByteArrayOutputStream messageStream = new ByteArrayOutputStream();
    String message = "hi\n";
    when(socket.write(any(ByteBuffer.class))).thenThrow(new IOException("write failed"));
    INbContext nbContext = mock(INbContext.class);
    SelectionKey selectionKey = mock(SelectionKey.class);
    when(selectionKey.channel()).thenReturn(socket);
    when(selectionKey.isValid()).thenReturn(true);
    when(selectionKey.readyOps()).thenReturn(SelectionKey.OP_WRITE);

    WriteMessageTask writeTask = WriteMessageTask.Builder.builder().withByteBuffer(ByteBuffer.allocate(100))
            .build();// w  w w . jav  a  2 s  .  co m
    List<String> callbackInvoked = new ArrayList<>();
    List<Exception> exceptionHandlerInvoked = new ArrayList<>();
    Runnable callback = () -> callbackInvoked.add("");
    Consumer<Exception> exceptionHandler = exceptionHandlerInvoked::add;
    writeTask.writeMessage(message.getBytes(StandardCharsets.UTF_8), nbContext, socket, callback,
            exceptionHandler);
    verify(nbContext, times(1)).register(any(SocketChannel.class), eq(SelectionKey.OP_WRITE), any(), any());
    writeTask.write(selectionKey, callback, exceptionHandler);
    verify(selectionKey, times(1)).interestOps(0);

    Assert.assertEquals(0, messageStream.size());
    Assert.assertEquals(0, callbackInvoked.size());
    Assert.assertEquals(1, exceptionHandlerInvoked.size());
}

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From source file:idgs.client.SocketChannelHandler.java

/**
 * handle connect//from w w  w  . jav a  2  s . com
 * @throws IOException
 */
public void onConnected(SocketChannel channel) throws IOException {
    ClientLogin login = new ClientLogin();
    ByteBuffer buffer = login.toBuffer();
    buffer.flip();
    int writeClientLoginSize = channel.write(buffer);
    if (writeClientLoginSize > 0) {
        log.debug("writer client login content: " + new String(login.toString()));
        log.debug("byte size: " + writeClientLoginSize + ", order by " + RpcBuffer.DEFAULT_BYTE_ORDER.toString()
                + " bytes: " + Arrays.toString(buffer.array()));
    }
}

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From source file:com.byteatebit.nbserver.task.TestWriteMessageTask.java

@Test
public void testWriteCompleteMessage() throws IOException {
    SocketChannel socket = mock(SocketChannel.class);
    ByteArrayOutputStream messageStream = new ByteArrayOutputStream();
    String message = "hi\n";
    when(socket.write(any(ByteBuffer.class))).then(new Answer<Integer>() {
        @Override//from w ww.  j a  v a 2  s. co  m
        public Integer answer(InvocationOnMock invocationOnMock) throws Throwable {
            ByteBuffer buffer = (ByteBuffer) invocationOnMock.getArguments()[0];
            while (buffer.hasRemaining())
                messageStream.write(buffer.get());
            return buffer.position();
        }
    });
    INbContext nbContext = mock(INbContext.class);
    SelectionKey selectionKey = mock(SelectionKey.class);
    when(selectionKey.channel()).thenReturn(socket);
    when(selectionKey.isValid()).thenReturn(true);
    when(selectionKey.readyOps()).thenReturn(SelectionKey.OP_WRITE);

    WriteMessageTask writeTask = WriteMessageTask.Builder.builder().withByteBuffer(ByteBuffer.allocate(100))
            .build();
    List<String> callbackInvoked = new ArrayList<>();
    Runnable callback = () -> callbackInvoked.add("");
    Consumer<Exception> exceptionHandler = e -> Assert.fail(e.getMessage());
    writeTask.writeMessage(message.getBytes(StandardCharsets.UTF_8), nbContext, socket, callback,
            exceptionHandler);
    verify(nbContext, times(1)).register(any(SocketChannel.class), eq(SelectionKey.OP_WRITE), any(), any());
    writeTask.write(selectionKey, callback, exceptionHandler);
    verify(selectionKey, times(1)).interestOps(0);

    Assert.assertEquals(message, messageStream.toString(StandardCharsets.UTF_8));
    Assert.assertEquals(1, callbackInvoked.size());
}

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From source file:org.jenkinsci.remoting.protocol.IOHubTest.java

@Test
public void canAcceptSocketConnections() throws Exception {
    final ServerSocketChannel srv = ServerSocketChannel.open();
    srv.bind(new InetSocketAddress(0));
    srv.configureBlocking(false);/* w w w.j  a  v  a  2  s . c om*/
    final AtomicReference<SelectionKey> key = new AtomicReference<SelectionKey>();
    final AtomicBoolean oops = new AtomicBoolean(false);
    hub.hub().register(srv, new IOHubReadyListener() {

        final AtomicInteger count = new AtomicInteger(0);

        @Override
        public void ready(boolean accept, boolean connect, boolean read, boolean write) {
            if (accept) {
                try {
                    SocketChannel channel = srv.accept();
                    channel.write(ByteBuffer.wrap(String.format("Go away #%d", count.incrementAndGet())
                            .getBytes(Charset.forName("UTF-8"))));
                    channel.close();
                } catch (IOException e) {
                    // ignore
                }
                hub.hub().addInterestAccept(key.get());
            } else {
                oops.set(true);
            }
            if (connect || read || write) {
                oops.set(true);
            }
        }
    }, true, false, false, false, new IOHubRegistrationCallback() {
        @Override
        public void onRegistered(SelectionKey selectionKey) {
            key.set(selectionKey);
        }

        @Override
        public void onClosedChannel(ClosedChannelException e) {

        }
    });
    Socket client = new Socket();
    client.connect(srv.getLocalAddress(), 100);
    assertThat(IOUtils.toString(client.getInputStream()), is("Go away #1"));
    client = new Socket();
    client.connect(srv.getLocalAddress(), 100);
    assertThat(IOUtils.toString(client.getInputStream()), is("Go away #2"));
    assertThat("Only ever called ready with accept true", oops.get(), is(false));
}

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From source file:net.socket.nio.TimeClientHandle.java

private void doWrite(SocketChannel sc) throws IOException {
    byte[] req = "QUERY TIME ORDER".getBytes();
    ByteBuffer writeBuffer = ByteBuffer.allocate(req.length);
    writeBuffer.put(req);/*from   w  w  w . ja va2 s. c o m*/
    writeBuffer.flip();
    sc.write(writeBuffer);
    sc.write(writeBuffer);
    if (!writeBuffer.hasRemaining()) {
        System.out.println("Send order 2 server succeed.");
    }
}

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