Example usage for java.net Socket close

Introduction

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

Prototype

public synchronized void close() throws IOException 

Source Link

Document

Closes this socket.

Usage

From source file:com.tomcat.monitor.zabbix.ZabbixSender.java

public void send(final String zabbixServer, final int zabbixPort, int zabbixTimeout, final String host,
        final String key, final String value) throws IOException {

    final byte[] response = new byte[1024];

    final long start = System.currentTimeMillis();

    final int TIMEOUT = zabbixTimeout * 1000;

    final StringBuilder message = new StringBuilder("<req><host>");
    message.append(new String(Base64.encodeBase64(host.getBytes())));
    message.append("</host><key>");
    message.append(new String(Base64.encodeBase64(key.getBytes())));
    message.append("</key><data>");
    message.append(new String(Base64.encodeBase64(value.getBytes())));
    message.append("</data></req>");

    if (log.isDebugEnabled()) {
        log.debug("sending " + message);
    }/*from  w w w.  ja  v a 2 s . c  om*/

    Socket zabbix = null;
    OutputStreamWriter out = null;
    InputStream in = null;
    try {
        zabbix = new Socket(zabbixServer, zabbixPort);
        zabbix.setSoTimeout(TIMEOUT);

        out = new OutputStreamWriter(zabbix.getOutputStream());
        out.write(message.toString());
        out.flush();

        in = zabbix.getInputStream();
        final int read = in.read(response);
        if (log.isDebugEnabled()) {
            log.debug("received " + new String(response));
        }
        if (read != 2 || response[0] != 'O' || response[1] != 'K') {
            log.warn("received unexpected response '" + new String(response) + "' for key '" + key + "'");
        }
    } finally {
        if (in != null) {
            in.close();
        }
        if (out != null) {
            out.close();
        }
        if (zabbix != null) {
            zabbix.close();
        }
    }
    log.info("send() " + (System.currentTimeMillis() - start) + " ms");
}

---

From source file:org.kjkoster.zapcat.test.ZabbixAgentProtocolTest.java

/**
 * Test the we can ping the agent./*w w  w.j  a  va  2 s .  co  m*/
 * 
 * @throws Exception
 *             When the test failed.
 */
@Test
public void testPing() throws Exception {
    final Agent agent = new org.kjkoster.zapcat.zabbix.ZabbixAgent();
    // give the agent some time to open the port
    Thread.sleep(100);
    final Socket socket = new Socket(InetAddress.getLocalHost(),
            org.kjkoster.zapcat.zabbix.ZabbixAgent.DEFAULT_PORT);

    final Writer out = new OutputStreamWriter(socket.getOutputStream());
    out.write("agent.ping\n");
    out.flush();

    final InputStream in = socket.getInputStream();
    final byte[] buffer = new byte[1024];
    final int read = in.read(buffer);
    assertEquals(14, read);

    assertEquals('Z', buffer[0]);
    assertEquals('B', buffer[1]);
    assertEquals('X', buffer[2]);
    assertEquals('D', buffer[3]);

    assertEquals('1', buffer[13]);

    // we'll take the rest for granted...

    socket.close();
    agent.stop();
}

---

From source file:hornet.framework.clamav.service.ClamAVCheckService.java

/**
 * Fermeture scuris de la socket./*  w w w.j  a v a  2s  .co  m*/
 *
 * @param command
 *            command
 * @param socket
 *            socket
 * @param buffer
 *            buffer
 */
private void safeClose(final TypeResponse command, final Socket socket, final BufferedReader buffer) {

    try {
        if (buffer != null) {
            buffer.close();
        }
    } catch (final IOException e) {
        ClamAVCheckService.LOGGER.error(
                "Problme de fermeture du buffer lors de l'envoi de la commande'{}'  l'antivirus", command,
                e);
    }
    try {
        if (socket != null) {
            socket.close();
        }
    } catch (final IOException e) {
        ClamAVCheckService.LOGGER.error(
                "Problme de fermeture de la socket lors de l'envoi de la commande'{}'  l'antivirus",
                command, e);
    }
}

---

From source file:org.kjkoster.zapcat.test.ZabbixAgentProtocolTest.java

/**
 * Test that we can use a Java system property to configure the protocol
 * version on the agent./*from   w w  w.j  ava 2  s .co  m*/
 * 
 * @throws Exception
 *             When the test failed.
 */
@Test
public void testSetTo11() throws Exception {
    System.setProperty(ZabbixAgent.PROTOCOL_PROPERTY, "1.1");
    assertEquals("1.1", System.getProperty(ZabbixAgent.PROTOCOL_PROPERTY));

    final Agent agent = new ZabbixAgent();
    // give the agent some time to open the port
    Thread.sleep(100);
    final Socket socket = new Socket(InetAddress.getLocalHost(), ZabbixAgent.DEFAULT_PORT);

    final Writer out = new OutputStreamWriter(socket.getOutputStream());
    out.write("system.property[java.version]\n");
    out.flush();

    final InputStream in = socket.getInputStream();
    final byte[] buffer = new byte[1024];
    in.read(buffer);

    final String version = System.getProperty("java.version");

    assertEquals(version.charAt(0), buffer[0]);
    assertEquals(version.charAt(1), buffer[1]);
    assertEquals(version.charAt(2), buffer[2]);
    assertEquals(version.charAt(3), buffer[3]);
    // we'll take the rest for granted...

    socket.close();
    agent.stop();
}

---

From source file:edu.stanford.epadd.launcher.Main.java

@Override
public void run() {
    out.println("*** running jetty 'stop' thread");
    Socket accept;
    try {/*w  w w .  java  2  s.c  o  m*/
        accept = socket.accept();
        BufferedReader reader = new BufferedReader(new InputStreamReader(accept.getInputStream()));
        // wait for a readline
        String line = reader.readLine();
        // any input received, stop the server
        jettyServer.stop();
        out.println("*** Stopped the Jetty embedded web server. received: " + line);
        accept.close();
        socket.close();
        System.exit(1); // we need to explicitly system.exit because we now use Swing (due to system tray, etc).
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:edu.umass.cs.msocket.common.policies.GeoLoadProxyPolicy.java

/**
 * @throws Exception if a GNS error occurs
 * @see edu.umass.cs.msocket.common.policies.ProxySelectionPolicy#getNewProxy()
 */// w  w w.j  a v a 2  s.c o  m
@Override
public List<InetSocketAddress> getNewProxy() throws Exception {
    // Lookup for active location service GUIDs
    final UniversalGnsClient gnsClient = gnsCredentials.getGnsClient();
    final GuidEntry guidEntry = gnsCredentials.getGuidEntry();
    JSONArray guids;
    try {
        guids = gnsClient.fieldRead(proxyGroupName, GnsConstants.ACTIVE_LOCATION_FIELD, guidEntry);
    } catch (Exception e) {
        throw new GnsException("Could not find active location services (" + e + ")");
    }

    // Try every location proxy in the list until one works
    for (int i = 0; i < guids.length(); i++) {
        // Retrieve the location service IP and connect to it
        String locationGuid = guids.getString(i);
        String locationIP = gnsClient.fieldRead(locationGuid, GnsConstants.LOCATION_SERVICE_IP, guidEntry)
                .getString(0);
        logger.fine("Contacting location service " + locationIP + " to request " + numProxies + " proxies");

        // Location IP is stored as host:port
        StringTokenizer st = new StringTokenizer(locationIP, ":");
        try {
            // Protocol is send the number of desired proxies and receive strings
            // containing proxy IP:port
            Socket s = new Socket(st.nextToken(), Integer.parseInt(st.nextToken()));
            ObjectOutputStream oos = new ObjectOutputStream(s.getOutputStream());
            ObjectInputStream ois = new ObjectInputStream(s.getInputStream());
            oos.writeInt(numProxies);
            oos.flush();
            List<InetSocketAddress> result = new LinkedList<InetSocketAddress>();
            while (!s.isClosed() && result.size() < numProxies) {
                String proxyIP = ois.readUTF();
                StringTokenizer stp = new StringTokenizer(proxyIP, ":");
                result.add(new InetSocketAddress(stp.nextToken(), Integer.parseInt(stp.nextToken())));
            }
            if (!s.isClosed()) // We receive all the proxies we need, just close the
                               // socket
                s.close();
            return result;
        } catch (Exception e) {
            logger.info("Failed to obtain proxy from location service" + locationIP + " (" + e + ")");
        }
    }

    throw new GnsException("Could not find any location service to provide a geolocated proxy");
}

---

From source file:info.guardianproject.netcipher.client.SSLConnectionSocketFactory.java

@Override
public Socket connectSocket(final int connectTimeout, final Socket socket, final HttpHost host,
        final InetSocketAddress remoteAddress, final InetSocketAddress localAddress, final HttpContext context)
        throws IOException {
    Args.notNull(host, "HTTP host");
    Args.notNull(remoteAddress, "Remote address");
    final Socket sock = socket != null ? socket : createSocket(context);
    if (localAddress != null) {
        sock.bind(localAddress);/*from  w  w w  .j  a v a 2  s  . c om*/
    }
    try {
        if (connectTimeout > 0 && sock.getSoTimeout() == 0) {
            sock.setSoTimeout(connectTimeout);
        }
        /*
              if (this.log.isDebugEnabled()) {
                this.log.debug("Connecting socket to " + remoteAddress + " with timeout " + connectTimeout);
              }
        */
        sock.connect(remoteAddress, connectTimeout);
    } catch (final IOException ex) {
        try {
            sock.close();
        } catch (final IOException ignore) {
        }
        throw ex;
    }
    // Setup SSL layering if necessary
    if (sock instanceof SSLSocket) {
        final SSLSocket sslsock = (SSLSocket) sock;
        //      this.log.debug("Starting handshake");
        sslsock.startHandshake();
        verifyHostname(sslsock, host.getHostName());
        return sock;
    } else {
        return createLayeredSocket(sock, host.getHostName(), remoteAddress.getPort(), context);
    }
}

---

From source file:gobblin.tunnel.ConnectProxyServer.java

@Override
void handleClientSocket(Socket clientSocket) throws IOException {
    final InputStream clientToProxyIn = clientSocket.getInputStream();
    BufferedReader clientToProxyReader = new BufferedReader(new InputStreamReader(clientToProxyIn));
    final OutputStream clientToProxyOut = clientSocket.getOutputStream();
    String line = clientToProxyReader.readLine();
    String connectRequest = "";
    while (line != null && isServerRunning()) {
        connectRequest += line + "\r\n";
        if (connectRequest.endsWith("\r\n\r\n")) {
            break;
        }// www  .j  ava2s .c  o m
        line = clientToProxyReader.readLine();
    }
    // connect to given host:port
    Matcher matcher = hostPortPattern.matcher(connectRequest);
    if (!matcher.find()) {
        try {
            sendConnectResponse("400 Bad Request", clientToProxyOut, null, 0);
        } finally {
            clientSocket.close();
            stopServer();
        }
        return;
    }
    String host = matcher.group(1);
    int port = Integer.decode(matcher.group(2));

    // connect to server
    Socket serverSocket = new Socket();
    try {
        serverSocket.connect(new InetSocketAddress(host, port));
        addSocket(serverSocket);
        byte[] initialServerResponse = null;
        int nbytes = 0;
        if (mixServerAndProxyResponse) {
            // we want to mix the initial server response with the 200 OK
            initialServerResponse = new byte[64];
            nbytes = serverSocket.getInputStream().read(initialServerResponse);
        }
        sendConnectResponse("200 OK", clientToProxyOut, initialServerResponse, nbytes);
    } catch (IOException e) {
        try {
            sendConnectResponse("404 Not Found", clientToProxyOut, null, 0);
        } finally {
            clientSocket.close();
            stopServer();
        }
        return;
    }
    final InputStream proxyToServerIn = serverSocket.getInputStream();
    final OutputStream proxyToServerOut = serverSocket.getOutputStream();
    _threads.add(new EasyThread() {
        @Override
        void runQuietly() throws Exception {
            try {
                IOUtils.copy(clientToProxyIn, proxyToServerOut);
            } catch (IOException e) {
                LOG.warn("Exception " + e.getMessage() + " on " + getServerSocketPort());
            }
        }
    }.startThread());
    try {
        if (nBytesToCloseSocketAfter > 0) {
            // Simulate proxy abruptly closing connection
            int leftToRead = nBytesToCloseSocketAfter;
            byte[] buffer = new byte[leftToRead + 256];
            while (true) {
                int numRead = proxyToServerIn.read(buffer, 0, leftToRead);
                if (numRead < 0) {
                    break;
                }
                clientToProxyOut.write(buffer, 0, numRead);
                clientToProxyOut.flush();
                leftToRead -= numRead;
                if (leftToRead <= 0) {
                    LOG.warn("Cutting connection after " + nBytesToCloseSocketAfter + " bytes");
                    break;
                }
            }
        } else {
            IOUtils.copy(proxyToServerIn, clientToProxyOut);
        }
    } catch (IOException e) {
        LOG.warn("Exception " + e.getMessage() + " on " + getServerSocketPort());
    }
    clientSocket.close();
    serverSocket.close();
}

---

From source file:org.kjkoster.zapcat.test.ZabbixAgentProtocolTest.java

/**
 * Test robustness./*  w  ww .  jav  a2 s  .c  o  m*/
 * 
 * @throws Exception
 *             When the test failed.
 */
@Test
public void testMissingArgument() throws Exception {
    final Agent agent = new org.kjkoster.zapcat.zabbix.ZabbixAgent();
    // give the agent some time to open the port
    Thread.sleep(100);
    final Socket socket = new Socket(InetAddress.getLocalHost(),
            org.kjkoster.zapcat.zabbix.ZabbixAgent.DEFAULT_PORT);

    final Writer out = new OutputStreamWriter(socket.getOutputStream());
    out.write("jmx\n");
    out.flush();

    final InputStream in = socket.getInputStream();
    final byte[] buffer = new byte[1024];
    final int read = in.read(buffer);
    assertEquals(29, read);

    assertEquals('Z', buffer[0]);
    assertEquals('B', buffer[1]);
    assertEquals('X', buffer[2]);
    assertEquals('D', buffer[3]);

    assertEquals('N', buffer[17]);
    assertEquals('O', buffer[18]);
    assertEquals('T', buffer[19]);

    // we'll take the rest for granted...

    socket.close();
    agent.stop();
}

---

From source file:org.kjkoster.zapcat.test.ZabbixAgentProtocolTest.java

/**
 * Test robustness.// w  ww  .  j  a  va 2s .co m
 * 
 * @throws Exception
 *             When the test failed.
 */
@Test
public void testMissingClose() throws Exception {
    final Agent agent = new org.kjkoster.zapcat.zabbix.ZabbixAgent();
    // give the agent some time to open the port
    Thread.sleep(100);
    final Socket socket = new Socket(InetAddress.getLocalHost(),
            org.kjkoster.zapcat.zabbix.ZabbixAgent.DEFAULT_PORT);

    final Writer out = new OutputStreamWriter(socket.getOutputStream());
    out.write("jmx[foo\n");
    out.flush();

    final InputStream in = socket.getInputStream();
    final byte[] buffer = new byte[1024];
    final int read = in.read(buffer);
    assertEquals(29, read);

    assertEquals('Z', buffer[0]);
    assertEquals('B', buffer[1]);
    assertEquals('X', buffer[2]);
    assertEquals('D', buffer[3]);

    assertEquals('N', buffer[17]);
    assertEquals('O', buffer[18]);
    assertEquals('T', buffer[19]);

    // we'll take the rest for granted...

    socket.close();
    agent.stop();
}

---

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