Example usage for java.net Socket isBound

Introduction

In this page you can find the example usage for java.net Socket isBound.

Prototype

public boolean isBound() 

Source Link

Document

Returns the binding state of the socket.

Usage

From source file:gov.nasa.arc.spife.europa.clientside.EuropaServerManager.java

private int findPort(int startAt) {
    Socket temp = null;
    for (int testPort = startAt; testPort < startAt + 1000; ++testPort) {
        try {//  www. j a  va2  s  . c om
            writeLog("[findPort] Testing port " + testPort);

            temp = new Socket(EuropaServerManagerConfig.LOCALHOST, testPort);
            if (temp.isBound())
                writeLog("[findPort] Successfully bound port.  Skipping " + testPort);
            else
                writeLog("[findPort] Port " + testPort + " is in use.  Moving on.");
        } catch (IOException ioe) {
            if (ioe instanceof ConnectException)
                return testPort;
        }
        //you cannot get ye port
        catch (SecurityException se) {
            writeLog("[findPort] Security exception testing a port.  Returning -1.", DynamicEuropaLogger.ERROR);
            return -1;
        } finally {
            try {
                if (temp != null)
                    temp.close();
            } catch (Exception e) {
                writeLog("[findPort] Failed to close a test-socket.", DynamicEuropaLogger.ERROR);
            }
        }
    }
    writeLog("[findPort] Exhausted 1000 possible ports.  Returning -1.", DynamicEuropaLogger.ERROR);
    return -1;
}

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From source file:com.delphix.session.test.ServiceTest.java

/**
 * Scan for an unused port.// w ww. jav  a2 s. co  m
 */
private int portScan() {
    int localPort = (int) (Math.random() * 1000) + 62626;

    do {
        Socket socket = new Socket();

        try {
            socket.setReuseAddress(true);
            socket.bind(new InetSocketAddress(localPort));
            assertTrue(socket.isBound());
            break;
        } catch (IOException e) {
            logger.infof(e, "failed to bind to port %d - try next", localPort);
            localPort++;
        } finally {
            try {
                socket.close();
            } catch (IOException e) {
                fail("failed to close socket", e);
            }
        }
    } while (localPort < 65536);

    if (localPort >= 65536) {
        fail("failed to find unused port");
    }

    logger.infof("unused local port %d found", localPort);

    return localPort;
}

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From source file:com.symbian.driver.core.controller.tasks.TEFTask.java

/**
 * @param aVisitor/*w w w .j  a  va  2  s  .c  o  m*/
 * @param aTestExecuteScript
 * @param lExecuteOnDevice
 * @param aTask
 * @return The last execption raised when running UCC.
 * @throws JStatException
 */
private boolean runUCC(List<String> aArgs, Task aTask) {
    boolean lReturn = true;
    Socket lUccSocket = null;
    DataOutputStream lSocketOut = null;
    DataInputStream lSocketIn = null;
    int lRunNumber = 0;
    int lUccPort = -1;
    String lUccAddress = null;
    IDeviceComms.ISymbianProcess lProcess = null;

    try {
        String[] lUccSplit = TDConfig.getInstance().getPreference(TDConfig.UCC_IP_ADDRESS).split(":");
        lRunNumber = TDConfig.getInstance().getPreferenceInteger(TDConfig.RUN_NUMBER);

        lUccAddress = lUccSplit[0];
        lUccPort = Integer.parseInt(lUccSplit[1]);
    } catch (ParseException lParseException) {
        LOGGER.log(Level.SEVERE, "Could not get configuration for UCC.", lParseException);
        iExceptions.put(lParseException, ESeverity.ERROR);
        lReturn = false;
    } catch (NumberFormatException lNumberFormatException) {
        LOGGER.log(Level.SEVERE, "Could not parse the port number for UCC.", lNumberFormatException);
        iExceptions.put(lNumberFormatException, ESeverity.ERROR);
        lReturn = false;
    }

    if (lUccAddress == null || lUccAddress.equals("") || lUccPort < 0) {
        iExceptions.put(
                new UnknownHostException("Please specify a valid UCC address for example 192.168.0.1:3000"),
                ESeverity.ERROR);
        return false;
    }

    // Run the test
    try {
        LOGGER.info("Running UCC with:\n\tAddress: " + lUccAddress + "\n\tUCC Port:" + lUccPort);

        lUccSocket = new Socket(lUccAddress, lUccPort);
        lSocketOut = new DataOutputStream(lUccSocket.getOutputStream());
        lSocketIn = new DataInputStream(lUccSocket.getInputStream());

        LOGGER.fine("Starting UCC while still polling");
        lProcess = iDeviceProxy.createSymbianProcess();
        if (lProcess != null) {
            // run and don't wait
            if (!lProcess.runCommand(TEST_EXECUTE, aArgs, aTask.getTimeout() * 1000, false)) {
                iExceptions.put(new Exception("Failed to run TEF for UCC."), ESeverity.ERROR);
                lReturn = false;
            }

            // Tell UCC that the test has started.
            LOGGER.fine("Writing to UCC socket: " + lRunNumber);
            lSocketOut.writeInt(lRunNumber);
            lSocketOut.flush();

            int lUCCReply = lSocketIn.readInt();
            LOGGER.fine("UCC Reply: " + lUCCReply);
        }

    } catch (UnknownHostException lUnknownHostException) {
        LOGGER.log(Level.SEVERE, "Could not find UCC host", lUnknownHostException);
        iExceptions.put(lUnknownHostException, ESeverity.ERROR);
        return false;
    } catch (IOException lIOException) {
        LOGGER.log(Level.SEVERE,
                "IO Exception during UCC testing: " + lIOException.getMessage() + (lUccSocket != null
                        ? "\nUcc Socket Connected: " + lUccSocket.isConnected() + "\nUcc Socket InputShutdown: "
                                + lUccSocket.isInputShutdown() + "\nUcc Socket OutputShutdown:"
                                + lUccSocket.isOutputShutdown() + "\nUcc Socket Bound: " + lUccSocket.isBound()
                        : "\nUcc Socket is NULL"),
                lIOException);
        iExceptions.put(lIOException, ESeverity.ERROR);
        return false;
    } finally {

        // Close UCC
        if (lSocketOut != null) {
            try {
                LOGGER.log(Level.FINE, "Closing Socket Out.");
                lUccSocket.shutdownInput();
                lUccSocket.shutdownOutput();
                lSocketOut.close();
            } catch (IOException lIOException) {
                LOGGER.log(Level.SEVERE, "Could not close UCC Out socket.", lIOException);
                iExceptions.put(lIOException, ESeverity.ERROR);
            }
        }
        if (lSocketIn != null) {
            try {
                LOGGER.log(Level.FINE, "Closing Socket In.");
                lSocketIn.close();
            } catch (IOException lIOException) {
                LOGGER.log(Level.SEVERE, "Could not close UCC In socket.", lIOException);
                iExceptions.put(lIOException, ESeverity.ERROR);
            }
        }
        if (lUccSocket != null) {
            try {
                LOGGER.log(Level.FINE, "Closing Socket UCC.");
                lUccSocket.close();
            } catch (IOException lIOException) {
                LOGGER.log(Level.SEVERE, "Could not close UCC socket.", lIOException);
                iExceptions.put(lIOException, ESeverity.ERROR);
            }
        }

        if (!lUccSocket.isClosed()) {
            LOGGER.warning("Could not close the UCC sockets properly.");
        }

        lSocketOut = null;
        lSocketIn = null;
        lUccSocket = null;

        // Poll TEF Test
        if (!lProcess.join()) {
            iExceptions.put(new Exception("Coud not join UCC-TEF Process"), ESeverity.ERROR);
            lReturn = false;
        }

    }
    return lReturn;
}

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