Example usage for java.net ServerSocket getLocalPort

Introduction

In this page you can find the example usage for java.net ServerSocket getLocalPort.

Prototype

public int getLocalPort() 

Source Link

Document

Returns the port number on which this socket is listening.

Usage

From source file:org.apache.flink.streaming.api.functions.source.SocketTextStreamFunctionTest.java

@Test
public void testExitNoRetries() throws Exception {
    ServerSocket server = new ServerSocket(0);
    Socket channel = null;/*  w w w .  jav  a2  s . c om*/

    try {
        SocketTextStreamFunction source = new SocketTextStreamFunction(LOCALHOST, server.getLocalPort(), "\n",
                0);

        SocketSourceThread runner = new SocketSourceThread(source);
        runner.start();

        channel = server.accept();
        channel.close();

        try {
            runner.waitUntilDone();
        } catch (Exception e) {
            assertTrue(e.getCause() instanceof EOFException);
        }
    } finally {
        if (channel != null) {
            IOUtils.closeQuietly(channel);
        }
        IOUtils.closeQuietly(server);
    }
}

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From source file:VASSAL.launch.TilingHandler.java

protected void runSlicer(List<String> multi, final int tcount, int maxheap)
        throws CancellationException, IOException {

    final InetAddress lo = InetAddress.getByName(null);
    final ServerSocket ssock = new ServerSocket(0, 0, lo);

    final int port = ssock.getLocalPort();

    final List<String> args = new ArrayList<String>();
    args.addAll(Arrays.asList(new String[] { Info.javaBinPath, "-classpath",
            System.getProperty("java.class.path"), "-Xmx" + maxheap + "M", "-DVASSAL.id=" + pid,
            "-Duser.home=" + System.getProperty("user.home"), "-DVASSAL.port=" + port,
            "VASSAL.tools.image.tilecache.ZipFileImageTiler", aname, cdir.getAbsolutePath(),
            String.valueOf(tdim.width), String.valueOf(tdim.height) }));

    // get the progress dialog
    final ProgressDialog pd = ProgressDialog.createOnEDT(ModuleManagerWindow.getInstance(),
            "Processing Image Tiles", " ");

    // set up the process
    final InputStreamPump outP = new InputOutputStreamPump(null, System.out);
    final InputStreamPump errP = new InputOutputStreamPump(null, System.err);

    final ProcessWrapper proc = new ProcessLauncher().launch(null, outP, errP,
            args.toArray(new String[args.size()]));

    // write the image paths to child's stdin, one per line
    PrintWriter stdin = null;/*w  w w. j a  v  a 2 s .c o m*/
    try {
        stdin = new PrintWriter(proc.stdin);
        for (String m : multi) {
            stdin.println(m);
        }
    } finally {
        IOUtils.closeQuietly(stdin);
    }

    Socket csock = null;
    DataInputStream in = null;
    try {
        csock = ssock.accept();
        csock.shutdownOutput();

        in = new DataInputStream(csock.getInputStream());

        final Progressor progressor = new Progressor(0, tcount) {
            @Override
            protected void run(Pair<Integer, Integer> prog) {
                pd.setProgress((100 * prog.second) / max);
            }
        };

        // setup the cancel button in the progress dialog
        EDT.execute(new Runnable() {
            public void run() {
                pd.addActionListener(new ActionListener() {
                    public void actionPerformed(ActionEvent e) {
                        pd.setVisible(false);
                        proc.future.cancel(true);
                    }
                });
            }
        });

        boolean done = false;
        byte type;
        while (!done) {
            type = in.readByte();

            switch (type) {
            case STARTING_IMAGE:
                final String ipath = in.readUTF();

                EDT.execute(new Runnable() {
                    public void run() {
                        pd.setLabel("Tiling " + ipath);
                        if (!pd.isVisible())
                            pd.setVisible(true);
                    }
                });
                break;

            case TILE_WRITTEN:
                progressor.increment();

                if (progressor.get() >= tcount) {
                    pd.setVisible(false);
                }
                break;

            case TILING_FINISHED:
                done = true;
                break;

            default:
                throw new IllegalStateException("bad type: " + type);
            }
        }

        in.close();
        csock.close();
        ssock.close();
    } catch (IOException e) {

    } finally {
        IOUtils.closeQuietly(in);
        IOUtils.closeQuietly(csock);
        IOUtils.closeQuietly(ssock);
    }

    // wait for the tiling process to end
    try {
        final int retval = proc.future.get();
        if (retval != 0) {
            throw new IOException("return value == " + retval);
        }
    } catch (ExecutionException e) {
        // should never happen
        throw new IllegalStateException(e);
    } catch (InterruptedException e) {
        // should never happen
        throw new IllegalStateException(e);
    }
}

---

From source file:uk.co.unclealex.persistence.hbase.testing.HBaseTestContainer.java

/**
 * Configure ports either statically or dynamically. This method is called
 * recursively (and hence why an {@link Iterator} is an argument) to allow the
 * compiler to correctly check that all port resources are closed.
 * /*from  www  . jav  a 2  s .c o  m*/
 * @param portIterator
 *          An {@link Iterator} for the remaining ports to configure.
 * @throws IOException
 *           Signals that an I/O exception has occurred.
 */
protected void configurePorts(Iterator<Port> portIterator) throws IOException {
    if (portIterator.hasNext()) {
        Port port = portIterator.next();
        Integer portNumber = getFixedPorts().get(port);
        if (portNumber == null) {
            portNumber = 0;
        }
        ServerSocket serverSocket = new ServerSocket(portNumber);
        try {
            int localPort = serverSocket.getLocalPort();
            LOG.info("Using port " + localPort + " for property " + port.getPropertyName());
            getConfiguration().setInt(port.getPropertyName(), localPort);
            getPorts().put(port, localPort);
            configurePorts(portIterator);
        } finally {
            serverSocket.close();
        }
    }
}

---

From source file:org.apache.flink.streaming.api.functions.source.SocketTextStreamFunctionTest.java

@Test
public void testSocketSourceSimpleOutput() throws Exception {
    ServerSocket server = new ServerSocket(0);
    Socket channel = null;/* w ww  .  ja v a2s  .c  o m*/

    try {
        SocketTextStreamFunction source = new SocketTextStreamFunction(LOCALHOST, server.getLocalPort(), "\n",
                0);

        SocketSourceThread runner = new SocketSourceThread(source, "test1", "check");
        runner.start();

        channel = server.accept();
        OutputStreamWriter writer = new OutputStreamWriter(channel.getOutputStream());

        writer.write("test1\n");
        writer.write("check\n");
        writer.flush();
        runner.waitForNumElements(2);

        runner.cancel();
        runner.interrupt();

        runner.waitUntilDone();

        channel.close();
    } finally {
        if (channel != null) {
            IOUtils.closeQuietly(channel);
        }
        IOUtils.closeQuietly(server);
    }
}

---

From source file:org.apache.flink.runtime.taskmanager.TaskManagerStartupTest.java

/**
 * Tests that the TaskManager fails synchronously when the actor system port
 * is in use.//  w  w w  .  j  ava 2 s  .c om
 * 
 * @throws Throwable
 */
@Test(expected = BindException.class)
public void testStartupWhenTaskmanagerActorPortIsUsed() throws BindException {
    ServerSocket blocker = null;
    try {
        final String localHostName = "localhost";
        final InetAddress localBindAddress = InetAddress.getByName(NetUtils.getWildcardIPAddress());

        // block some port
        blocker = new ServerSocket(0, 50, localBindAddress);
        final int port = blocker.getLocalPort();

        TaskManager.runTaskManager(localHostName, ResourceID.generate(), port, new Configuration(),
                TaskManager.class);
        fail("This should fail with an IOException");

    } catch (IOException e) {
        // expected. validate the error message
        List<Throwable> causes = StartupUtils.getExceptionCauses(e, new ArrayList<Throwable>());
        for (Throwable cause : causes) {
            if (cause instanceof BindException) {
                throw (BindException) cause;
            }
        }
        fail("This should fail with an exception caused by BindException");
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    } finally {
        if (blocker != null) {
            try {
                blocker.close();
            } catch (IOException e) {
                // no need to log here
            }
        }
    }
}

---

From source file:org.apache.flink.runtime.taskmanager.TaskManagerStartupTest.java

/**
 * Tests that the task manager start-up fails if the network stack cannot be initialized.
 * @throws Exception//from w w w  .j a v  a 2s  .  c o m
 */
@Test(expected = IOException.class)
public void testStartupWhenNetworkStackFailsToInitialize() throws Exception {

    ServerSocket blocker = null;

    try {
        blocker = new ServerSocket(0, 50, InetAddress.getByName("localhost"));

        final Configuration cfg = new Configuration();
        cfg.setString(ConfigConstants.TASK_MANAGER_HOSTNAME_KEY, "localhost");
        cfg.setInteger(ConfigConstants.TASK_MANAGER_DATA_PORT_KEY, blocker.getLocalPort());
        cfg.setInteger(ConfigConstants.TASK_MANAGER_MEMORY_SIZE_KEY, 1);

        TaskManager.startTaskManagerComponentsAndActor(cfg, ResourceID.generate(), null, "localhost",
                Option.<String>empty(), Option.<LeaderRetrievalService>empty(), false, TaskManager.class);
    } finally {
        if (blocker != null) {
            try {
                blocker.close();
            } catch (IOException e) {
                // ignore, best effort
            }
        }
    }
}

---

From source file:org.apache.flink.streaming.api.functions.source.SocketTextStreamFunctionTest.java

@Test
public void testSocketSourceOutputWithRetries() throws Exception {
    ServerSocket server = new ServerSocket(0);
    Socket channel = null;/*ww w  .j  a  va  2  s  .c om*/

    try {
        SocketTextStreamFunction source = new SocketTextStreamFunction(LOCALHOST, server.getLocalPort(), "\n",
                10, 100);

        SocketSourceThread runner = new SocketSourceThread(source, "test1", "check");
        runner.start();

        // first connection: nothing
        channel = server.accept();
        channel.close();

        // second connection: first string
        channel = server.accept();
        OutputStreamWriter writer = new OutputStreamWriter(channel.getOutputStream());
        writer.write("test1\n");
        writer.close();
        channel.close();

        // third connection: nothing
        channel = server.accept();
        channel.close();

        // forth connection: second string
        channel = server.accept();
        writer = new OutputStreamWriter(channel.getOutputStream());
        writer.write("check\n");
        writer.flush();

        runner.waitForNumElements(2);
        runner.cancel();
        runner.waitUntilDone();
    } finally {
        if (channel != null) {
            IOUtils.closeQuietly(channel);
        }
        IOUtils.closeQuietly(server);
    }
}

---

From source file:org.apache.flink.streaming.api.functions.source.SocketTextStreamFunctionTest.java

@Test
public void testSocketSourceOutputInfiniteRetries() throws Exception {
    ServerSocket server = new ServerSocket(0);
    Socket channel = null;/*from  ww w  . j  a  v  a 2 s . c  o  m*/

    try {
        SocketTextStreamFunction source = new SocketTextStreamFunction(LOCALHOST, server.getLocalPort(), "\n",
                -1, 100);

        SocketSourceThread runner = new SocketSourceThread(source, "test1", "check");
        runner.start();

        // first connection: nothing
        channel = server.accept();
        channel.close();

        // second connection: first string
        channel = server.accept();
        OutputStreamWriter writer = new OutputStreamWriter(channel.getOutputStream());
        writer.write("test1\n");
        writer.close();
        channel.close();

        // third connection: nothing
        channel = server.accept();
        channel.close();

        // forth connection: second string
        channel = server.accept();
        writer = new OutputStreamWriter(channel.getOutputStream());
        writer.write("check\n");
        writer.flush();

        runner.waitForNumElements(2);
        runner.cancel();
        runner.waitUntilDone();
    } finally {
        if (channel != null) {
            IOUtils.closeQuietly(channel);
        }
        IOUtils.closeQuietly(server);
    }
}

---

From source file:org.apache.flink.streaming.api.functions.source.SocketTextStreamFunctionTest.java

@Test
public void testSocketSourceOutputAcrossRetries() throws Exception {
    ServerSocket server = new ServerSocket(0);
    Socket channel = null;/*w ww . j  ava2 s.  com*/

    try {
        SocketTextStreamFunction source = new SocketTextStreamFunction(LOCALHOST, server.getLocalPort(), "\n",
                10, 100);

        SocketSourceThread runner = new SocketSourceThread(source, "test1", "check1", "check2");
        runner.start();

        // first connection: nothing
        channel = server.accept();
        channel.close();

        // second connection: first string
        channel = server.accept();
        OutputStreamWriter writer = new OutputStreamWriter(channel.getOutputStream());
        writer.write("te");
        writer.close();
        channel.close();

        // third connection: nothing
        channel = server.accept();
        channel.close();

        // forth connection: second string
        channel = server.accept();
        writer = new OutputStreamWriter(channel.getOutputStream());
        writer.write("st1\n");
        writer.write("check1\n");
        writer.write("check2\n");
        writer.flush();

        runner.waitForNumElements(2);
        runner.cancel();
        runner.waitUntilDone();
    } finally {
        if (channel != null) {
            IOUtils.closeQuietly(channel);
        }
        IOUtils.closeQuietly(server);
    }
}

---

From source file:org.apache.http.localserver.LocalTestServer.java

/**
 * Obtains the port this server is servicing.
 *
 * @return  the service port/*from  w w  w .  ja  va  2s .  c om*/
 */
public int getServicePort() {
    ServerSocket ssock = servicedSocket; // avoid synchronization
    if (ssock == null)
        throw new IllegalStateException("not running");

    return ssock.getLocalPort();
}

---

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