Example usage for java.net Socket getInputStream

List of usage examples for java.net Socket getInputStream

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Introduction

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

Prototype

public InputStream getInputStream() throws IOException

Source Link

Document

Returns an input stream for this socket.

Usage

From source file:MyZone.Settings.java

public boolean retrieveCert() {
    while (true) {
        try {/*from w w  w  . ja  va2  s.com*/
            Socket toCAServer = new Socket(globalProperties.caAddress, globalProperties.caPort);
            toCAServer.setSoTimeout(IDLE_LIMIT);
            byte[] usernameBytes = username.getBytes("UTF-8");
            DataOutputStream outToCAServer = new DataOutputStream(toCAServer.getOutputStream());
            byte[] buffer = new byte[usernameBytes.length + 4];
            int len = 0;
            System.arraycopy(intToByteArray(usernameBytes.length), 0, buffer, len, 4);
            len += 4;
            System.arraycopy(usernameBytes, 0, buffer, len, usernameBytes.length);
            outToCAServer.write(buffer, 0, buffer.length);
            outToCAServer.flush();
            int i = 0;
            byte[] lenBytes = new byte[4];
            while (i < 4) {
                i += toCAServer.getInputStream().read(lenBytes, i, 4 - i);
                if (i < 0) {
                    if (DEBUG) {
                        System.out.println("DEBUG: line 2529 of Settings.java");
                    }
                }
                try {
                    Thread.sleep(100);
                } catch (Exception e) {
                    if (DEBUG) {
                        e.printStackTrace();
                    }
                }
            }
            len = byteArrayToInt(lenBytes);
            byte[] certBytes = new byte[len];
            i = 0;
            while (i < len) {
                i += toCAServer.getInputStream().read(certBytes, i, len - i);
                if (i < 0) {
                    if (DEBUG) {
                        System.out.println("DEBUG: line 2555 of Settings.java");
                    }
                    len = 4;
                    break;
                }
                try {
                    Thread.sleep(100);
                } catch (Exception e) {
                    if (DEBUG) {
                        e.printStackTrace();
                    }
                }
            }
            if (len == 4) {
                Thread.sleep(30000);
                outToCAServer.close();
                toCAServer.close();
                continue;
            }
            outToCAServer.close();
            toCAServer.close();
            globalProperties.caCertPath = prefix + "/CAs/";
            CertVerifier y = new CertVerifier();
            userCertificate uc = y.verifyCertificate(certBytes, globalProperties.caCertPath,
                    globalProperties.keyPairAlgorithm, globalProperties.certSigAlgorithm);
            if (uc == null) {
                Thread.sleep(30000);
                continue;
            }
            File file = new File(prefix + username + "/cert/" + username + ".cert");
            FileOutputStream fos = new FileOutputStream(file);
            fos.write(certBytes);
            fos.flush();
            fos.close();
            outToCAServer.close();
            toCAServer.close();
            return true;
        } catch (Exception e) {
            if (DEBUG)
                e.printStackTrace();
        }
    }
}

From source file:com.atomicleopard.thundr.ftp.commons.FTPClient.java

/**
 * @since 3.1/* ww  w .  j  a  va2  s  . c o  m*/
 */
protected InputStream _retrieveFileStream(String command, String remote) throws IOException {
    Socket socket = _openDataConnection_(command, remote);

    if (socket == null) {
        return null;
    }

    InputStream input = socket.getInputStream();
    if (__fileType == ASCII_FILE_TYPE) {
        // We buffer ascii transfers because the buffering has to
        // be interposed between FromNetASCIIOutputSream and the underlying
        // socket input stream.  We don't buffer binary transfers
        // because we don't want to impose a buffering policy on the
        // programmer if possible.  Programmers can decide on their
        // own if they want to wrap the SocketInputStream we return
        // for file types other than ASCII.
        input = getBufferedInputStream(input);
        input = new FromNetASCIIInputStream(input);
    }
    return new org.apache.commons.net.io.SocketInputStream(socket, input);
}

From source file:com.atomicleopard.thundr.ftp.commons.FTPClient.java

/**
 * @since 3.1// w w w.  jav a 2s.c  om
 */
protected boolean _retrieveFile(String command, String remote, OutputStream local) throws IOException {
    Socket socket = _openDataConnection_(command, remote);

    if (socket == null) {
        return false;
    }

    InputStream input = getBufferedInputStream(socket.getInputStream());
    if (__fileType == ASCII_FILE_TYPE) {
        input = new FromNetASCIIInputStream(input);
    }

    CSL csl = null;
    if (__controlKeepAliveTimeout > 0) {
        csl = new CSL(this, __controlKeepAliveTimeout, __controlKeepAliveReplyTimeout);
    }

    // Treat everything else as binary for now
    try {
        Util.copyStream(input, local, getBufferSize(), CopyStreamEvent.UNKNOWN_STREAM_SIZE,
                __mergeListeners(csl), false);
    } finally {
        Util.closeQuietly(input);
        Util.closeQuietly(socket);
        if (csl != null) {
            csl.cleanUp(); // fetch any outstanding keepalive replies
        }
    }

    // Get the transfer response
    boolean ok = completePendingCommand();
    return ok;
}

From source file:com.mozilla.SUTAgentAndroid.service.DoCommand.java

public String RegisterTheDevice(String sSrvr, String sPort, String sData) {
    String sRet = "";
    String line = "";

    //        Debug.waitForDebugger();

    if (sSrvr != null && sPort != null && sData != null) {
        try {//from  ww  w .  j av  a  2  s.  c o  m
            int nPort = Integer.parseInt(sPort);
            Socket socket = new Socket(sSrvr, nPort);
            PrintWriter out = new PrintWriter(socket.getOutputStream(), false);
            BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            out.println(sData);
            if (out.checkError() == false) {
                socket.setSoTimeout(30000);
                while (socket.isInputShutdown() == false) {
                    line = in.readLine();

                    if (line != null) {
                        line = line.toLowerCase();
                        sRet += line;
                        // ok means we're done
                        if (line.contains("ok"))
                            break;
                    } else {
                        // end of stream reached
                        break;
                    }
                }
            }
            out.close();
            in.close();
            socket.close();
        } catch (NumberFormatException e) {
            sRet += "reg NumberFormatException thrown [" + e.getLocalizedMessage() + "]";
            e.printStackTrace();
        } catch (UnknownHostException e) {
            sRet += "reg UnknownHostException thrown [" + e.getLocalizedMessage() + "]";
            e.printStackTrace();
        } catch (IOException e) {
            sRet += "reg IOException thrown [" + e.getLocalizedMessage() + "]";
            e.printStackTrace();
        }
    }
    return (sRet);
}

From source file:com.atomicleopard.thundr.ftp.commons.FTPClient.java

/**
 * Obtain a list of filenames in a directory (or just the name of a given
 * file, which is not particularly useful).  This information is obtained
 * through the NLST command.  If the given pathname is a directory and
 * contains no files,  a zero length array is returned only
 * if the FTP server returned a positive completion code, otherwise
 * null is returned (the FTP server returned a 550 error No files found.).
 * If the directory is not empty, an array of filenames in the directory is
 * returned. If the pathname corresponds
 * to a file, only that file will be listed.  The server may or may not
 * expand glob expressions.//from  w w  w .  jav  a2 s. c  o  m
 * <p>
 * @param pathname  The file or directory to list.
 *                  Warning: the server may treat a leading '-' as an
 *                  option introducer. If so, try using an absolute path,
 *                  or prefix the path with ./ (unix style servers).
 *                  Some servers may support "--" as meaning end of options,
 *                  in which case "-- -xyz" should work.
 * @return The list of filenames contained in the given path.  null if
 *     the list could not be obtained.  If there are no filenames in
 *     the directory, a zero-length array is returned.
 * @exception FTPConnectionClosedException
 *      If the FTP server prematurely closes the connection as a result
 *      of the client being idle or some other reason causing the server
 *      to send FTP reply code 421.  This exception may be caught either
 *      as an IOException or independently as itself.
 * @exception IOException  If an I/O error occurs while either sending a
 *      command to the server or receiving a reply from the server.
 */
public String[] listNames(String pathname) throws IOException {
    Socket socket = _openDataConnection_(FTPCmd.NLST, getListArguments(pathname));

    if (socket == null) {
        return null;
    }

    BufferedReader reader = new BufferedReader(
            new InputStreamReader(socket.getInputStream(), getControlEncoding()));

    ArrayList<String> results = new ArrayList<String>();
    String line;
    while ((line = reader.readLine()) != null) {
        results.add(line);
    }

    reader.close();
    socket.close();

    if (completePendingCommand()) {
        String[] names = new String[results.size()];
        return results.toArray(names);
    }

    return null;
}

From source file:com.atomicleopard.thundr.ftp.commons.FTPClient.java

/**
 * private method through which all listFiles() and
 * initiateListParsing methods pass once a parser is determined.
 *
 * @exception FTPConnectionClosedException
 *                   If the FTP server prematurely closes the connection as a result
 *                   of the client being idle or some other reason causing the server
 *                   to send FTP reply code 421.  This exception may be caught either
 *                   as an IOException or independently as itself.
 * @exception IOException/*  ww  w . j a  v a 2 s  .co m*/
 *                   If an I/O error occurs while either sending a
 *                   command to the server or receiving a reply from the server.
 * @see FTPListParseEngine
 */
private FTPListParseEngine initiateListParsing(FTPFileEntryParser parser, String pathname) throws IOException {
    Socket socket = _openDataConnection_(FTPCmd.LIST, getListArguments(pathname));

    FTPListParseEngine engine = new FTPListParseEngine(parser);
    if (socket == null) {
        return engine;
    }

    try {
        engine.readServerList(socket.getInputStream(), getControlEncoding());
    } finally {
        Util.closeQuietly(socket);
    }

    completePendingCommand();
    return engine;
}

From source file:com.atomicleopard.thundr.ftp.commons.FTPClient.java

/**
 * Initiate list parsing for MLSD listings.
 *
 * @param pathname//from  www  .  j  a  v a 2  s  .c  o m
 * @return the engine
 * @throws IOException
 */
private FTPListParseEngine initiateMListParsing(String pathname) throws IOException {
    Socket socket = _openDataConnection_(FTPCmd.MLSD, pathname);
    FTPListParseEngine engine = new FTPListParseEngine(MLSxEntryParser.getInstance());
    if (socket == null) {
        return engine;
    }

    try {
        engine.readServerList(socket.getInputStream(), getControlEncoding());
    } finally {
        Util.closeQuietly(socket);
        completePendingCommand();
    }
    return engine;
}

From source file:de.prozesskraft.pradar.parts.PradarPartUi3.java

/**
 * asks for entities from the first pradar-server that responds
 * @return void/*from  w w  w. j  a va2 s.  com*/
 */
void loadData() {
    for (String portAtMachineAsString : this.pradar_server_port_at_hostname) {
        String[] port_and_machine = portAtMachineAsString.split("@");

        int portNumber = Integer.parseInt(port_and_machine[0]);
        String machineName = port_and_machine[1];
        log("info", "want to load data from pradar-server");
        log("info", "trying pradar-server " + portNumber + "@" + machineName);
        try {

            // socket einrichten und Out/Input-Streams setzen
            //            log("debug", "machineName="+machineName+" | portNumber="+portNumber);

            //            log("debug", "server objekt erstellen");
            Socket connectToServerSocket = new Socket(machineName, portNumber);
            connectToServerSocket.setSoTimeout(20000);

            //            log("debug", "outputStream erstellen");
            OutputStream streamToServer = connectToServerSocket.getOutputStream();

            //            log("debug", "outputStream  flushen");
            streamToServer.flush();

            //            log("debug", "objectOutputStream  erstellen");
            ObjectOutputStream objectToServer = new ObjectOutputStream(streamToServer);

            //            log("debug", "objectOutputStream  flushen");
            objectToServer.flush();

            // Objekte zum server uebertragen
            //            log("debug", "write: getallfromuser");
            objectToServer.writeObject("getallfromuser");
            objectToServer.writeObject(System.getProperty("user.name"));

            //            log("debug", "outputStream  flushen");
            streamToServer.flush();

            //            log("debug", "objectOutputStream  flushen");
            objectToServer.flush();

            // sende-object zerstoeren - wird nicht mehr gebraucht
            //            log("debug", "objectOutputStream schliessen");
            //            objectToServer.close();

            //            log("debug", "inputStream erstellen");
            InputStream streamFromServer = connectToServerSocket.getInputStream();

            //            log("debug", "objectInputStream  erstellen");
            ObjectInputStream objectFromServer = new ObjectInputStream(streamFromServer);

            // Antwort vom Server lesen - ein array aller Entities
            try {
                //               log("debug", "reading");
                Object serverAnswer = objectFromServer.readObject();
                //               log("debug", "reading done");

                // lese-object zerstoeren - wird nicht mehr gebraucht
                objectFromServer.close();
                //               log("debug", "objectFromServer closed");

                ArrayList<Object> serverAnswer2 = null;
                if (serverAnswer instanceof ArrayList) {
                    //                  log("debug", "serverAnswer is an ArrayList");
                    serverAnswer2 = (ArrayList<Object>) serverAnswer;
                }

                // alle existierenden entities loeschen
                this.entities_all.clear();

                // die neuen entities casten und in einem map unterbringen id->Entities erstellen um die children bei ihren parents einsortieren zu koennen
                Map<String, Entity> entities_all = new HashMap<String, Entity>();
                for (Object actObject : serverAnswer2) {
                    // 
                    if (actObject instanceof Entity) {
                        //                     log("debug", "item of ArrayList<Object> is an Entity  --->  adding to ArrayList<Entity>");
                        Entity newEntity = (Entity) actObject;
                        this.entities_all.add(newEntity);
                    }
                }

                //               log("debug", "reading done! closing ");
                objectFromServer.close();

                //               log("debug", "read finished");
            } catch (ClassNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            // daten holen aus db
            log("info", "refreshing data...");
            connectToServerSocket.close();

        } catch (UnknownHostException e) {
            log("warn", "unknown host " + machineName);
            this.pradar_server_port_at_hostname = null;
        } catch (IOException e) {
            log("warn", "input / output problems at " + portNumber + "@" + machineName);
            e.printStackTrace();
        }

        this.refresh_last = Calendar.getInstance();
        this.refresh_next = Calendar.getInstance();
        this.refresh_next.add(13, this.refresh_interval);
    }
}

From source file:Tcpbw100.java

public boolean test_s2c(Protocol ctl, Socket ctlSocket) throws IOException {
    byte buff[] = new byte[8192];
    Message msg = new Message();
    if ((tests & TEST_S2C) == TEST_S2C) {
        showStatus(messages.getString("inboundTest"));
        results.append(messages.getString("runningInboundTest") + " ");
        statistics.append(messages.getString("runningInboundTest") + " ");
        emailText += messages.getString("runningInboundTest") + " ";
        pub_status = "runningInboundTest";

        if (ctl.recv_msg(msg) != 0) {
            errmsg = messages.getString("protocolError") + Integer.parseInt(new String(msg.body), 16)
                    + " instead\n";
            return true;
        }/*from www . j  av a  2 s  .c  o  m*/
        if (msg.type != TEST_PREPARE) {
            errmsg = messages.getString("inboundWrongMessage") + "\n";
            if (msg.type == MSG_ERROR) {
                errmsg += "ERROR MSG: " + Integer.parseInt(new String(msg.body), 16) + "\n";
            }
            return true;
        }
        int s2cport = Integer.parseInt(new String(msg.body));

        Socket inSocket;
        try {
            inSocket = new Socket(host, s2cport);
        } catch (UnknownHostException e) {
            System.err.println("Don't know about host: " + host);
            errmsg = "unknown server\n";
            return true;
        } catch (IOException e) {
            System.err.println("Couldn't get 3rd connection to: " + host);
            errmsg = "Server Failed while receiving data\n";
            return true;
        }

        InputStream srvin = inSocket.getInputStream();
        int bytes = 0;
        int inlth;

        // wait here for signal from server application 
        if (ctl.recv_msg(msg) != 0) {
            errmsg = messages.getString("unknownServer") + Integer.parseInt(new String(msg.body), 16)
                    + " instead\n";
            return true;
        }
        if (msg.type != TEST_START) {
            errmsg = messages.getString("serverFail") + "\n";
            if (msg.type == MSG_ERROR) {
                errmsg += "ERROR MSG: " + Integer.parseInt(new String(msg.body), 16) + "\n";
            }
            return true;
        }

        inSocket.setSoTimeout(15000);
        t = System.currentTimeMillis();
        pub_time = t;
        try {
            while ((inlth = srvin.read(buff, 0, buff.length)) > 0) {
                bytes += inlth;
                pub_bytes = bytes;
                if ((System.currentTimeMillis() - t) > 14500)
                    break;
            }
        } catch (IOException e) {
        }

        t = System.currentTimeMillis() - t;
        System.out.println(bytes + " bytes " + (8.0 * bytes) / t + " kb/s " + t / 1000 + " secs");
        s2cspd = ((8.0 * bytes) / 1000) / t;

        /* receive the s2cspd from the server */
        if (ctl.recv_msg(msg) != 0) {
            errmsg = messages.getString("protocolError") + Integer.parseInt(new String(msg.body), 16)
                    + " instead\n";
            return true;
        }
        if (msg.type != TEST_MSG) {
            errmsg = messages.getString("inboundWrongMessage") + "\n";
            if (msg.type == MSG_ERROR) {
                errmsg += "ERROR MSG: " + Integer.parseInt(new String(msg.body), 16) + "\n";
            }
            return true;
        }
        try {
            String tmpstr3 = new String(msg.body);
            int k1 = tmpstr3.indexOf(" ");
            int k2 = tmpstr3.substring(k1 + 1).indexOf(" ");
            ss2cspd = Double.parseDouble(tmpstr3.substring(0, k1)) / 1000.0;
            ssndqueue = Integer.parseInt(tmpstr3.substring(k1 + 1).substring(0, k2));
            sbytes = Double.parseDouble(tmpstr3.substring(k1 + 1).substring(k2 + 1));
        } catch (Exception e) {
            e.printStackTrace();
            errmsg = messages.getString("inboundWrongMessage") + "\n";
            return true;
        }

        if (s2cspd < 1.0) {
            results.append(prtdbl(s2cspd * 1000) + "kb/s\n");
            statistics.append(prtdbl(s2cspd * 1000) + "kb/s\n");
            emailText += prtdbl(s2cspd * 1000) + "kb/s\n%0A";
        } else {
            results.append(prtdbl(s2cspd) + "Mb/s\n");
            statistics.append(prtdbl(s2cspd) + "Mb/s\n");
            emailText += prtdbl(s2cspd) + "Mb/s\n%0A";
        }

        // Expose download speed to JavaScript clients
        pub_s2cspd = s2cspd;
        dnlLbl.setText(String.format(padding + "%.3f Mbps", s2cspd));
        pub_status = "done";

        srvin.close();
        inSocket.close();

        buff = Double.toString(s2cspd * 1000).getBytes();
        String tmpstr4 = new String(buff, 0, buff.length);
        System.out.println("Sending '" + tmpstr4 + "' back to server");
        ctl.send_msg(TEST_MSG, buff);

        /* get web100 variables from server */
        tmpstr = "";
        int i = 0;

        // Try setting a 5 second timer here to break out if the read fails.
        ctlSocket.setSoTimeout(5000);
        try {
            for (;;) {
                if (ctl.recv_msg(msg) != 0) {
                    errmsg = messages.getString("protocolError") + Integer.parseInt(new String(msg.body), 16)
                            + " instead\n";
                    return true;
                }
                if (msg.type == TEST_FINALIZE) {
                    break;
                }
                if (msg.type != TEST_MSG) {
                    errmsg = messages.getString("inboundWrongMessage") + "\n";
                    if (msg.type == MSG_ERROR) {
                        errmsg += "ERROR MSG: " + Integer.parseInt(new String(msg.body), 16) + "\n";
                    }
                    return true;
                }
                tmpstr += new String(msg.body);
                i++;
            }
        } catch (IOException e) {
        }
        ctlSocket.setSoTimeout(0);
    }
    pub_status = "done";
    return false;
}