Example usage for java.net Socket connect

Introduction

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

Prototype

public void connect(SocketAddress endpoint, int timeout) throws IOException 

Source Link

Document

Connects this socket to the server with a specified timeout value.

Usage

From source file:org.sakaiproject.antivirus.impl.ClamAVScanner.java

protected Socket getClamdSocket() throws UnknownHostException {

    InetAddress address = InetAddress.getByName(getHost());
    Socket socket = null;
    try {/*  w  w w  .java 2s.  c o m*/
        socket = new Socket();
        SocketAddress socketAddress = new InetSocketAddress(address, getPort());
        socket.connect(socketAddress, 5000);
        if (!socket.isConnected()) {
            return null;
        }
        return socket;
    } catch (IOException ioe) {
        logger.error("Exception caught acquiring main socket to CLAMD on " + address + " on port " + getPort()
                + ": " + ioe.getMessage());
    }
    return socket;
}

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From source file:at.alladin.rmbt.android.util.CheckIpTask.java

@Override
protected JSONArray doInBackground(final Void... params) {
    needsRetry = false;//from w  w  w . ja  va2  s .  com
    serverConn = new ControlServerConnection(activity);

    try {
        Socket s = new Socket();
        InetSocketAddress addr = new InetSocketAddress(
                ConfigHelper.getCachedControlServerNameIpv4(activity.getApplicationContext()),
                ConfigHelper.getControlServerPort(activity.getApplicationContext()));
        s.connect(addr, 5000);

        privateIpv4 = s.getLocalAddress();
        s.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

    try {
        Socket s = new Socket();
        InetSocketAddress addr = new InetSocketAddress(
                ConfigHelper.getCachedControlServerNameIpv6(activity.getApplicationContext()),
                ConfigHelper.getControlServerPort(activity.getApplicationContext()));
        s.connect(addr, 5000);

        privateIpv6 = s.getLocalAddress();
        s.close();
    } catch (SocketTimeoutException e) {
        e.printStackTrace();
        needsRetry = ConfigHelper.isRetryRequiredOnIpv6SocketTimeout(activity);
    } catch (Exception e) {
        needsRetry = false;
        e.printStackTrace();
    }

    newsList = new JSONArray();

    if (privateIpv4 != null) {
        JSONArray response = serverConn.requestIp(false);
        if (response != null && response.length() >= 1) {
            newsList.put(response.opt(0));
        }
    } else {
        Log.d(DEBUG_TAG, "no private ipv4 found");
    }

    if (privateIpv6 != null) {
        JSONArray response = serverConn.requestIp(true);
        if (response != null && response.length() >= 1) {
            newsList.put(response.opt(0));
        }
    } else {
        Log.d(DEBUG_TAG, "no private ipv6 found");
    }

    return newsList;
}

---

From source file:com.owncloud.android.authenticator.EasySSLSocketFactory.java

/**
 * Attempts to get a new socket connection to the given host within the
 * given time limit./* ww w  .  j a  v a2s  .c om*/
 * <p>
 * To circumvent the limitations of older JREs that do not support connect
 * timeout a controller thread is executed. The controller thread attempts
 * to create a new socket within the given limit of time. If socket
 * constructor does not return until the timeout expires, the controller
 * terminates and throws an {@link ConnectTimeoutException}
 * </p>
 * 
 * @param host the host name/IP
 * @param port the port on the host
 * @param clientHost the local host name/IP to bind the socket to
 * @param clientPort the port on the local machine
 * @param params {@link HttpConnectionParams Http connection parameters}
 * 
 * @return Socket a new socket
 * 
 * @throws IOException if an I/O error occurs while creating the socket
 * @throws UnknownHostException if the IP address of the host cannot be
 *             determined
 */
public Socket createSocket(final String host, final int port, final InetAddress localAddress,
        final int localPort, final HttpConnectionParams params)
        throws IOException, UnknownHostException, ConnectTimeoutException {
    Log.d(TAG, "Creating SSL Socket with remote " + host + ":" + port + ", local " + localAddress + ":"
            + localPort + ", params: " + params);
    if (params == null) {
        throw new IllegalArgumentException("Parameters may not be null");
    }
    int timeout = params.getConnectionTimeout();
    SocketFactory socketfactory = getSSLContext().getSocketFactory();
    /*if (timeout == 0) {
    Log.d(TAG, " ... with connection timeout 0 and socket timeout " + params.getSoTimeout());
    Socket socket = socketfactory.createSocket(host, port, localAddress,
            localPort);
    socket.setSoTimeout(params.getSoTimeout());
    return socket;
    } else {*/
    Log.d(TAG, " ... with connection timeout " + timeout + " and socket timeout " + params.getSoTimeout());
    Socket socket = socketfactory.createSocket();
    SocketAddress localaddr = new InetSocketAddress(localAddress, localPort);
    SocketAddress remoteaddr = new InetSocketAddress(host, port);
    socket.setSoTimeout(params.getSoTimeout());
    socket.bind(localaddr);
    socket.connect(remoteaddr, timeout);
    return socket;
    //}
}

---

From source file:com.predic8.membrane.core.transport.ssl.SSLContext.java

public Socket createSocket(InetAddress host, int port, InetAddress addr, int localPort, int connectTimeout)
        throws IOException {
    Socket s = new Socket();
    s.bind(new InetSocketAddress(addr, localPort));
    s.connect(new InetSocketAddress(host, port), connectTimeout);
    SSLSocketFactory sslsf = sslc.getSocketFactory();
    SSLSocket ssls = (SSLSocket) sslsf.createSocket(s, host.getHostName(), port, true);
    applyCiphers(ssls);//  w w  w.java2 s .  c o m
    if (protocols != null) {
        ssls.setEnabledProtocols(protocols);
    } else {
        String[] protocols = ssls.getEnabledProtocols();
        Set<String> set = new HashSet<String>();
        for (String protocol : protocols) {
            if (protocol.equals("SSLv3") || protocol.equals("SSLv2Hello")) {
                continue;
            }
            set.add(protocol);
        }
        ssls.setEnabledProtocols(set.toArray(new String[0]));
    }
    return ssls;
}

---

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

private static boolean tryToConnect(InetAddress fromAddress, SocketAddress toSocket, int timeout)
        throws IOException {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Trying to connect to JobManager (" + toSocket + ") from local address " + fromAddress
                + " with timeout " + timeout);
    }/* www . j a  v a 2  s.  co  m*/
    boolean connectable = true;
    Socket socket = null;
    try {
        socket = new Socket();
        SocketAddress bindP = new InetSocketAddress(fromAddress, 0); // 0 = let the OS choose the port on this
        // machine
        socket.bind(bindP);
        socket.connect(toSocket, timeout);
    } catch (Exception ex) {
        LOG.info("Failed to connect to JobManager from address '" + fromAddress + "': " + ex.getMessage());
        if (LOG.isDebugEnabled()) {
            LOG.debug("Failed with exception", ex);
        }
        connectable = false;
    } finally {
        if (socket != null) {
            socket.close();
        }
    }
    return connectable;
}

---

From source file:com.qspin.qtaste.tcom.rlogin.RLogin.java

/**
 * Reboot the remote host by sending the reboot command and check that
 * the remote host is not accessible anymore.
 * @return true if success, false otherwise
 *///from w w w  . ja v  a  2 s.  c  om
public boolean reboot() {
    if (!sendCommand("reboot")) {
        return false;
    }

    // wait 1 second
    try {
        Thread.sleep(1000);
    } catch (InterruptedException ex) {
    }

    disconnect();

    // check that remote host is not accessible anymore
    // open a socket without any parameters. It hasn't been binded or connected
    Socket socket = new Socket();
    try {
        // bind to a local ephemeral port
        socket.bind(null);
        socket.connect(new InetSocketAddress(remoteHost, RLoginClient.DEFAULT_PORT), 1);
    } catch (SocketTimeoutException e) {
        logger.info("Rebooted host " + remoteHost + " successfully");
        return true;
    } catch (IOException e) {
        logger.error("Something went wrong while rebooting host:" + remoteHost);
        return false;
    } finally {
        try {
            socket.close();
        } catch (IOException ex) {
        }
        socket = null;
    }
    // Expected to get an exception as the remote host should not be reachable anymore
    logger.error("Host " + remoteHost
            + " did not reboot as expected! Please check that no other rlogin client is connected!");
    return false;
}

---

From source file:gov.nist.toolkit.soap.axis2.AuthSSLProtocolSocketFactory.java

/**
 * Attempts to get a new socket connection to the given host within the given time limit.
 * <p>//from w ww  .  j  av  a2s  . c o m
 * To circumvent the limitations of older JREs that do not support connect timeout a 
 * controller thread is executed. The controller thread attempts to create a new socket 
 * within the given limit of time. If socket constructor does not return until the 
 * timeout expires, the controller terminates and throws an {@link ConnectTimeoutException}
 * </p>
 *  
 * @param host the host name/IP
 * @param port the port on the host
 * @param params {@link HttpConnectionParams Http connection parameters}
 * 
 * @return Socket a new socket
 * 
 * @throws IOException if an I/O error occurs while creating the socket
 * @throws UnknownHostException if the IP address of the host cannot be
 * determined
 */
public Socket createSocket(final String host, final int port, final InetAddress localAddress,
        final int localPort, final HttpConnectionParams params)
        throws IOException, UnknownHostException, ConnectTimeoutException {
    if (params == null) {
        throw new IllegalArgumentException("Parameters may not be null");
    }
    int timeout = params.getConnectionTimeout();

    timeout = 0; // wjm

    SocketFactory socketfactory = getSSLContext().getSocketFactory();
    if (timeout == 0) {
        return socketfactory.createSocket(host, port, localAddress, localPort);
    } else {
        Socket socket = socketfactory.createSocket();
        SocketAddress localaddr = new InetSocketAddress(localAddress, localPort);
        SocketAddress remoteaddr = new InetSocketAddress(host, port);
        socket.bind(localaddr);
        socket.connect(remoteaddr, timeout);
        return socket;
    }
}

---

From source file:AuthSSLProtocolSocketFactory.java

/**
 * Attempts to get a new socket connection to the given host within the given time limit.
 * <p>//from w w  w.  j a va 2  s .co  m
 * To circumvent the limitations of older JREs that do not support connect timeout a
 * controller thread is executed. The controller thread attempts to create a new socket
 * within the given limit of time. If socket constructor does not return until the
 * timeout expires, the controller terminates and throws an {@link ConnectTimeoutException}
 * </p>
 *
 * @param host   the host name/IP
 * @param port   the port on the host
 * @param params {@link HttpConnectionParams Http connection parameters}
 * @return Socket a new socket
 * @throws java.io.IOException           if an I/O error occurs while creating the socket
 * @throws java.net.UnknownHostException if the IP address of the host cannot be
 *                                       determined
 */
public Socket createSocket(final String host, final int port, final InetAddress localAddress,
        final int localPort, final HttpConnectionParams params)
        throws IOException, UnknownHostException, ConnectTimeoutException {
    if (params == null) {
        throw new IllegalArgumentException("Parameters may not be null");
    }
    int timeout = params.getConnectionTimeout();
    SocketFactory socketfactory = getSSLContext().getSocketFactory();
    if (timeout == 0) {
        return socketfactory.createSocket(host, port, localAddress, localPort);
    } else {
        Socket socket = socketfactory.createSocket();
        SocketAddress localaddr = new InetSocketAddress(localAddress, localPort);
        SocketAddress remoteaddr = new InetSocketAddress(host, port);
        socket.bind(localaddr);
        socket.connect(remoteaddr, timeout);
        return socket;
    }
}

---

From source file:org.archive.wayback.resourcestore.locationdb.FileProxyServlet.java

private DataSource locationToDataSource(String location, long offset) throws IOException {
    DataSource ds = null;//from   w  w  w. j  av a2 s . c  om
    if (location.startsWith("http://")) {
        URL url = new URL(location);
        String hostname = url.getHost();
        int port = url.getPort();
        if (port == -1) {
            port = 80;
        }
        byte GET[] = "GET".getBytes();
        byte HTTP11[] = "HTTP/1.1".getBytes();
        InetAddress addr = InetAddress.getByName(hostname);
        HttpRequestMessage requestMessage = new HttpRequestMessage(GET, url.getFile().getBytes(), HTTP11);
        ANVLRecord headers = new ANVLRecord();
        headers.addLabelValue("Host", hostname);

        if (offset != 0) {
            headers.addLabelValue(RANGE_HTTP_HEADER,
                    HEADER_BYTES_PREFIX + String.valueOf(offset) + HEADER_BYTES_SUFFIX);
        }
        InetSocketAddress sockAddr = new InetSocketAddress(addr, port);
        Socket socket = new Socket();
        socket.setSoTimeout(socketTimeoutMs);
        socket.setReceiveBufferSize(BUF_SIZE);

        socket.connect(sockAddr, connectTimeoutMs);
        OutputStream socketOut = socket.getOutputStream();
        InputStream socketIn = socket.getInputStream();
        socketOut.write(requestMessage.getBytes(true));
        socketOut.write(headers.getUTF8Bytes());
        socketOut.flush();
        HttpResponse response = HttpResponse.load(socketIn);
        String contentType = response.getHeaders().asMap().get("Content-Type");
        if (contentType == null) {
            contentType = "application/unknown";
        }
        String xferEncoding = response.getHeaders().asMap().get("Transfer-Encoding");

        if (xferEncoding != null) {
            if (xferEncoding.equals("chunked")) {
                socketIn = new ChunkedInputStream(socketIn);
            }
        }

        ds = new URLDataSource(socketIn, contentType);

    } else {
        // assume a local file path:
        File f = new File(location);
        if (f.isFile() && f.canRead()) {
            long size = f.length();
            if (size < offset) {
                throw new IOException("short file " + location + " cannot" + " seek to offset " + offset);
            }
            RandomAccessFile raf = new RandomAccessFile(f, "r");
            raf.seek(offset);
            // BUGBUG: is it compressed?
            ds = new FileDataSource(raf, DEFAULT_CONTENT_TYPE);

        } else {
            throw new IOException("No readable file at " + location);
        }

    }

    return ds;
}

---

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