Example usage for java.net ServerSocket close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Document

Closes this socket.

Usage

From source file:brooklyn.util.ssh.BashCommandsIntegrationTest.java

License:asdf

@Test(groups = "Integration", dependsOnMethods = "testSudo")
public void testWaitForPortFreeWhenFreedAfterStart() throws Exception {
    ServerSocket serverSocket = openServerSocket();
    try {//  w ww .  j  a v  a  2s.  c  o m
        int port = serverSocket.getLocalPort();

        String cmd = BashCommands.waitForPortFree(port, Duration.THIRTY_SECONDS, false);
        ProcessTaskWrapper<String> t = execRequiringZeroAndReturningStdout(loc, cmd);
        exec.submit(t);

        // sleep for long enough to ensure the ssh command is definitely executing
        Thread.sleep(5 * 1000);
        assertFalse(t.isDone());

        serverSocket.close();
        assertTrue(Networking.isPortAvailable(port));
        String output = t.get();
        assertFalse(output.contains("still in use"), "output=" + output);
    } finally {
        serverSocket.close();
    }
}

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From source file:org.openmrs.module.mirebalais.integration.MirthIT.java

private String listenForResults() throws IOException {

    ServerSocket listener = new ServerSocket(6660); // TODO: store this port in a global property?
    listener.setSoTimeout(20000); // don't wait more than 20 seconds for an incoming connection

    Socket mirthConnection = listener.accept();

    BufferedReader reader = new BufferedReader(new InputStreamReader(mirthConnection.getInputStream()));

    StringBuilder sb = new StringBuilder();
    String line;/*from  w  w w  . java2 s.co  m*/

    while ((line = reader.readLine()) != null) {
        sb.append(line);
    }

    // TODO: need an acknowledgement?

    mirthConnection.close();
    listener.close();

    return sb.toString();
}

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From source file:org.fabrician.enabler.DockerContainer.java

private boolean checkServerPortInUse(int port) {
    if (port == UNDEFINED_PORT) {
        return false;
    }//from   ww w  .  jav a 2s. co m
    ServerSocket srv = null;
    boolean inUse = false;
    try {
        srv = new ServerSocket(port);
        srv.close();
    } catch (Exception e) {
        getEngineLogger().finest("serverPortInUse: debug exception: " + e);
        inUse = true;
    }
    return inUse;
}

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From source file:org.apache.cxf.dosgi.singlebundle.AggregatedActivatorTest.java

public void testHttpServicePortInUse() throws Exception {
    BundleContext bc = EasyMock.createNiceMock(BundleContext.class);
    EasyMock.replay(bc);/*  w ww.  j a  v a 2s .  c o m*/

    ServerSocket s = null;
    try {
        try {
            // now lets block the default port
            s = new ServerSocket(Integer.parseInt(AggregatedActivator.DEFAULT_HTTP_PORT));
        } catch (Exception e) {
            // if someone else already has it, thats fine too
        }

        assertNull("Precondition failed", System.getProperty(AggregatedActivator.HTTP_PORT_PROPERTY));
        new AggregatedActivator().setHttpServicePort(bc);
        assertTrue("The " + AggregatedActivator.HTTP_PORT_PROPERTY + " property should have been set",
                System.getProperty(AggregatedActivator.HTTP_PORT_PROPERTY).length() > 0);
    } finally {
        if (s != null) {
            s.close();
        }
    }
}

---

From source file:org.mapfish.print.FakeHttpd.java

public void run() {
    try {//  ww  w .ja  va  2s .  c  o m
        LOGGER.info("starting");
        ServerSocket serverSocket = new ServerSocket(port);
        LOGGER.info("started");
        synchronized (starting) {
            starting.set(false);
            starting.notify();
        }

        while (true) {
            Socket socket = serverSocket.accept();
            BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            PrintStream output = new PrintStream(socket.getOutputStream());
            final boolean stayAlive = handleHttp(input, output);
            input.close();
            output.close();
            socket.close();
            if (!stayAlive) {
                break;
            }
        }
        serverSocket.close();
        LOGGER.info("stopped");
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:org.y20k.transistor.helpers.MetadataHelper.java

private void createShoutcastProxyConnection() {
    closeShoutcastProxyConnection();//from ww w  . j a  va  2 s .  co  m
    mProxyRunning = true;
    final StringBuffer shoutcastProxyUri = new StringBuffer();

    try {
        new Thread(new Runnable() {
            @Override
            public void run() {
                Socket proxy = null;
                URLConnection connection = null;

                try {
                    final ServerSocket proxyServer = new ServerSocket(0, 1, InetAddress.getLocalHost());
                    shoutcastProxyUri.append("http://localhost:")
                            .append(String.valueOf(proxyServer.getLocalPort())).append("/");
                    LogHelper.v(LOG_TAG, "createProxyConnection: " + shoutcastProxyUri.toString());

                    proxy = proxyServer.accept();
                    mProxyConnection = proxy;
                    proxyServer.close();

                    connection = new URL(mStreamUri).openConnection();

                    shoutcastProxyReaderLoop(proxy, connection);

                } catch (Exception e) {
                    LogHelper.e(LOG_TAG, "Error: Unable to create proxy server. (" + e + ")");
                }

                mProxyRunning = false;

                try {
                    if (connection != null) {
                        ((HttpURLConnection) connection).disconnect();
                    }
                } catch (Exception ee) {
                    LogHelper.e(LOG_TAG, "Error: Unable to disconnect HttpURLConnection. (" + ee + ")");
                }

                try {
                    if (proxy != null && !proxy.isClosed()) {
                        proxy.close();
                    }
                } catch (Exception eee) {
                    LogHelper.e(LOG_TAG, "Error: Unable to close proxy. (" + eee + ")");
                }
            }
        }).start();

        while (shoutcastProxyUri.length() == 0) {
            try {
                Thread.sleep(10);
            } catch (Exception e) {
                LogHelper.e(LOG_TAG, "Error: Unable to Thread.sleep. (" + e + ")");
            }
        }
        mShoutcastProxy = shoutcastProxyUri.toString();

    } catch (Exception e) {
        LogHelper.e(LOG_TAG,
                "createProxyConnection: Cannot create new listening socket on localhost: " + e.toString());
        mProxyRunning = false;
        mShoutcastProxy = "";
    }
}

---

From source file:com.mirth.connect.manager.ManagerController.java

/**
 * Test a port to see if it is already in use.
 * //  w w w.ja  v a 2  s.c  om
 * @param port
 *            The port to test.
 * @param name
 *            A friendly name to display in case of an error.
 * @return An error message, or null if the port is not in use and there was no error.
 */
private String testPort(String port, String name) {
    ServerSocket socket = null;
    try {
        socket = new ServerSocket(Integer.parseInt(port));
    } catch (NumberFormatException ex) {
        return name + " port is invalid: " + port;
    } catch (IOException ex) {
        return name + " port is already in use: " + port;
    } finally {
        if (socket != null) {
            try {
                socket.close();
            } catch (IOException e) {
                return "Could not close test socket for " + name + ": " + port;
            }
        }
    }
    return null;
}

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From source file:org.urbanstew.soundcloudapi.SoundCloudAPI.java

private void closeQuietly(ServerSocket server) {
    try {//from  w  w w . j  a va 2  s  . c o m
        if (server != null)
            server.close();
    } catch (Exception e) {
        System.err.println("Exception during SocketServer close: " + e);
    }
}

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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/*  w w w.j  a  v  a  2s .c om*/
 */
@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.geode.internal.net.SSLSocketIntegrationTest.java

@Test
public void configureClientSSLSocketCanTimeOut() throws Exception {
    final Semaphore serverCoordination = new Semaphore(0);

    // configure a non-SSL server socket. We will connect
    // a client SSL socket to it and demonstrate that the
    // handshake times out
    final ServerSocket serverSocket = new ServerSocket();
    serverSocket.bind(new InetSocketAddress(SocketCreator.getLocalHost(), 0));
    Thread serverThread = new Thread() {
        public void run() {
            serverCoordination.release();
            try (Socket clientSocket = serverSocket.accept()) {
                System.out.println("server thread accepted a connection");
                serverCoordination.acquire();
            } catch (Exception e) {
                System.err.println("accept failed");
                e.printStackTrace();//  w w  w .  j a v a 2 s .c  om
            }
            try {
                serverSocket.close();
            } catch (IOException e) {
                // ignored
            }
            System.out.println("server thread is exiting");
        }
    };
    serverThread.setName("SocketCreatorJUnitTest serverSocket thread");
    serverThread.setDaemon(true);
    serverThread.start();

    serverCoordination.acquire();

    SocketCreator socketCreator = SocketCreatorFactory
            .getSocketCreatorForComponent(SecurableCommunicationChannel.SERVER);

    int serverSocketPort = serverSocket.getLocalPort();
    try {
        Awaitility.await("connect to server socket").atMost(30, TimeUnit.SECONDS).until(() -> {
            try {
                Socket clientSocket = socketCreator.connectForClient(
                        SocketCreator.getLocalHost().getHostAddress(), serverSocketPort, 2000);
                clientSocket.close();
                System.err.println(
                        "client successfully connected to server but should not have been able to do so");
                return false;
            } catch (SocketTimeoutException e) {
                // we need to verify that this timed out in the handshake
                // code
                System.out.println("client connect attempt timed out - checking stack trace");
                StackTraceElement[] trace = e.getStackTrace();
                for (StackTraceElement element : trace) {
                    if (element.getMethodName().equals("configureClientSSLSocket")) {
                        System.out.println("client connect attempt timed out in the appropriate method");
                        return true;
                    }
                }
                // it wasn't in the configuration method so we need to try again
            } catch (IOException e) {
                // server socket may not be in accept() yet, causing a connection-refused
                // exception
            }
            return false;
        });
    } finally {
        serverCoordination.release();
    }
}

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