Example usage for java.net Socket Socket

Introduction

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

Prototype

public Socket(InetAddress address, int port) throws IOException 

Source Link

Document

Creates a stream socket and connects it to the specified port number at the specified IP address.

Usage

From source file:org.psit.transwatcher.TransWatcher.java

@Override
public void run() {

    try {/* www . j a  va  2 s  .  co  m*/
        while (true) {

            String cardIP = connectAndGetCardIP();
            if (cardIP != null) {
                notifyMessage("Found SD card, IP: " + cardIP);

                // handshake successful, open permanent TCP connection
                // to listen to new images
                Socket newImageListenerSocket = null;
                try {
                    newImageListenerSocket = new Socket(cardIP, 5566);
                    newImageListenerSocket.setKeepAlive(true);
                    InputStream is = newImageListenerSocket.getInputStream();
                    byte[] c = new byte[1];
                    byte[] singleMessage = new byte[255];
                    int msgPointer = 0;

                    startConnectionKeepAliveWatchDog(newImageListenerSocket);

                    startImageDownloaderQueue(cardIP);

                    setState(State.LISTENING);

                    // loop to wait for new images
                    while (newImageListenerSocket.isConnected()) {
                        if (is.read(c) == 1) {
                            if (0x3E == c[0]) { // >
                                // start of filename
                                msgPointer = 0;
                            } else if (0x00 == c[0]) {
                                // end of filename
                                String msg = new String(Arrays.copyOfRange(singleMessage, 0, msgPointer));
                                notifyMessage("Image shot: " + msg);

                                // add to download queue
                                queue.add(msg);
                            } else {
                                // single byte. add to buffer
                                singleMessage[msgPointer++] = c[0];
                            }
                        }
                    }
                    setState(State.SEARCHING_CARD);
                } catch (IOException e) {
                    notifyMessage("Error during image notification connection!");
                } finally {
                    try {
                        newImageListenerSocket.close();
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            } else {
                notifyMessage("No card found, retrying.");
            }
            Thread.sleep(2000);
        }
    } catch (InterruptedException e) {
        stopImageDownLoaderQueue();
        notifyMessage("Connection abandoned.");
    }

}

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From source file:it.anyplace.sync.client.protocol.rp.RelayClient.java

public RelayConnection openConnectionSessionMode(final SessionInvitation sessionInvitation) throws Exception {
    logger.debug("connecting to relay = {}:{} (session mode)", sessionInvitation.getAddress(),
            sessionInvitation.getPort());
    final Socket socket = new Socket(sessionInvitation.getAddress(), sessionInvitation.getPort());
    RelayDataInputStream in = new RelayDataInputStream(socket.getInputStream());
    RelayDataOutputStream out = new RelayDataOutputStream(socket.getOutputStream());
    try {//ww w. j av a  2s  . co  m
        {
            logger.debug("sending join session request, session key = {}", sessionInvitation.getKey());
            byte[] key = BaseEncoding.base16().decode(sessionInvitation.getKey());
            int lengthOfKey = key.length;
            out.writeHeader(JOIN_SESSION_REQUEST, 4 + lengthOfKey);
            out.writeInt(lengthOfKey);
            out.write(key);
            out.flush();
        }
        {
            logger.debug("reading relay response");
            MessageReader messageReader = in.readMessage();
            checkArgument(messageReader.getType() == RESPONSE);
            Response response = messageReader.readResponse();
            logger.debug("response = {}", response);
            checkArgument(response.getCode() == RESPONSE_SUCCESS_CODE, "response code = %s (%s) expected %s",
                    response.getCode(), response.getMessage(), RESPONSE_SUCCESS_CODE);
            logger.debug("relay connection ready");
        }
        return new RelayConnection() {
            @Override
            public Socket getSocket() {
                return socket;
            }

            @Override
            public boolean isServerSocket() {
                return sessionInvitation.isServerSocket();
            }

        };
    } catch (Exception ex) {
        IOUtils.closeQuietly(in);
        IOUtils.closeQuietly(out);
        IOUtils.closeQuietly(socket);
        throw ex;
    }
}

---

From source file:io.undertow.server.security.SimpleConfidentialRedirectTestCase.java

@ProxyIgnore
public void testRedirectWithFullURLInPath() throws IOException {
    DefaultServer.isProxy();/* w ww .  j  a v  a  2 s  .  c o  m*/
    //now we need to test what happens if the client send a full URI
    //see UNDERTOW-874
    try (Socket socket = new Socket(DefaultServer.getHostAddress(), DefaultServer.getHostPort())) {
        socket.getOutputStream().write(("GET " + DefaultServer.getDefaultServerURL() + "/foo HTTP/1.0\r\n\r\n")
                .getBytes(StandardCharsets.UTF_8));
        String result = FileUtils.readFile(socket.getInputStream());
        Assert.assertTrue(result.contains("Location: " + DefaultServer.getDefaultServerSSLAddress() + "/foo"));
    }
}

---

From source file:com.pavlovmedia.oss.osgi.gelf.impl.GelfLogSink.java

private synchronized void ensureConnection() {
    if (null == transport) {
        try {/*from   w w  w . j  av  a2  s .  c o m*/
            InetAddress address = InetAddress.getByName(hostname);
            transport = new Socket(address, port);
            transport.shutdownInput();
            readerService.addLogListener(this);
        } catch (IOException e) {
            if (consoleMessages) {
                System.err.println(
                        String.format("Failed to connect to %s:%d => %s", hostname, port, e.getMessage()));
                e.printStackTrace();
            }
            transport = null;
        }
    }
}

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From source file:com.juick.android.WsClient.java

public boolean connect(String host, int port, String location, String headers) {
    try {//w w w  . j a v a 2 s .c o  m
        sock = new Socket(host, port);
        sock.setSoTimeout(15000);
        is = sock.getInputStream();
        os = sock.getOutputStream();

        String handshake = "GET " + location + " HTTP/1.1\r\n" + "Host: " + host + "\r\n"
                + "Connection: Upgrade\r\n" + "Upgrade: websocket\r\n" + "Origin: " + getOrigin() + "\r\n"
                + "User-Agent: JuickAdvanced\r\n" + "Sec-WebSocket-Key: SomeKey\r\n"
                + "Sec-WebSocket-Version: 13\r\n" + "Pragma: no-cache\r\n" + "Cache-Control: no-cache\r\n";
        if (headers != null) {
            handshake += headers;
        }
        handshake += "\r\n";
        os.write(handshake.getBytes());

        return true;
    } catch (Exception e) {
        System.err.println(e);
        //e.printStackTrace();
        return false;
    }
}

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From source file:com.sshtools.daemon.SshDaemon.java

/**
 *
 *
 * @param msg/* w w w  . j  av  a 2s.  c om*/
 *
 * @throws IOException
 */
public static void stop(String msg) throws IOException {
    try {
        Socket socket = new Socket(InetAddress.getByName("127.0.0.1"),
                ((ServerConfiguration) ConfigurationLoader.getConfiguration(ServerConfiguration.class))
                        .getCommandPort());

        // Write the command id
        socket.getOutputStream().write(0x3a);

        // Write the length of the message (max 255)
        int len = (msg.length() <= 255) ? msg.length() : 255;
        socket.getOutputStream().write(len);

        // Write the message
        if (len > 0) {
            socket.getOutputStream().write(msg.substring(0, len).getBytes());
        }

        socket.close();
    } catch (IOException ioe) {
        ioe.printStackTrace();
    }
}

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From source file:com.edmunds.etm.agent.impl.TcpHealthCheck.java

protected boolean connectToServer() {

    InetAddress addr = getHostAddress();

    boolean connected;
    try {//w w w  . j a v  a 2 s  . c  o  m
        Socket socket = new Socket(addr, port);
        socket.close();
        connected = true;
    } catch (IOException e) {
        connected = false;
    }

    if (logger.isDebugEnabled()) {
        String message = String.format("Connected to server with result: %b", connected);
        logger.debug(message);
    }

    return connected;
}

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From source file:mpv5.utils.http.HttpClient.java

/**
 * Runs a GET request/*from www .j  a v  a  2 s  . c  om*/
 * @param srequest The request, eg /servlets-examples/servlet/RequestInfoExample"
 * @return
 * @throws UnknownHostException
 * @throws IOException
 * @throws HttpException
 */
public HttpResponse request(String srequest) throws UnknownHostException, IOException, HttpException {

    if (!conn.isOpen()) {
        Socket socket = new Socket(host.getHostName(), host.getPort());
        conn.bind(socket, params);

        BasicHttpRequest request = new BasicHttpRequest("GET", srequest);
        Log.Debug(this, ">> Request URI: " + request.getRequestLine().getUri());

        request.setParams(params);
        httpexecutor.preProcess(request, httpproc, context);
        HttpResponse response = httpexecutor.execute(request, conn, context);
        response.setParams(params);
        httpexecutor.postProcess(response, httpproc, context);

        //                Log.Debug(this, "<< Response: " + response.getStatusLine());
        //                Log.Debug(this, EntityUtils.toString(response.getEntity()));
        //                Log.Debug(this, "==============");
        //                if (!connStrategy.keepAlive(response, context)) {
        //                    conn.close();
        //                } else {
        //                    Log.Debug(this, "Connection kept alive...");
        //                }
        //            } else {
        //                Log.Debug(this, "Connection already closed.");
        return response;
    }
    return null;
}

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From source file:org.freewheelschedule.freewheel.controlserver.ControlThread.java

private void runJob(String hostname, Job jobToRun) throws IOException {
    log.debug("Connecting to the RemoteWorker to run a command");
    Socket remoteWorker = new Socket(jobToRun.getExecutingServer().getName(),
            jobToRun.getExecutingServer().getPort().intValue());

    PrintWriter command = new PrintWriter(remoteWorker.getOutputStream(), true);
    BufferedReader result = new BufferedReader(new InputStreamReader(remoteWorker.getInputStream()));

    if (workerAwaitingCommand(result, command, hostname) && jobToRun instanceof CommandJob) {
        if (!sendCommandToExecute(jobToRun, result, command)) {
            log.error("Job not queued properly");
        } else {/*from   w  ww. j ava 2s. com*/
            log.error("Unexpected response from RemoteClient");
        }
    }
}

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From source file:com.seajas.search.utilities.rmi.RestrictedHostSocketFactory.java

/**
 * Create a new client socket.//w  ww.  j a v  a2  s .  c o  m
 * 
 * @param host
 * @param port
 * @return Socket
 * @throws IOException
 */
@Override
public Socket createSocket(final String host, final int port) throws IOException {
    if (logger.isInfoEnabled())
        logger.info("Creating (client-side) socket #" + totalSocketsCreated.incrementAndGet() + " to host '"
                + host + "' and port " + port);

    return new Socket(host, port);
}

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