Examples of com.trendmicro.mist.client.MistClient$Session

com.trilead.ssh2.Session
Example of a consumer to receive a message:

// New a MistClient consumer instance
MistClient mistClient = new MistClient(MistClient.Role.CONSUMER, 1);

// Mount the client to an exchange
mistClient.mount(true, "exchange.foo");

// Attach the client
mistClient.attach();

// Get a message
MessagePair p = mistClient.getMessage();

// Do some processing on p.message //

// Acknowledge the message
p.acker.ack();

// Close the client
mistClient.close();

Example of a producer to send a message:

// New a MistClient producer instance
MistClient mistClient = new MistClient(MistClient.Role.PRODUCER, 1);

// Mount the client to an exchange
mistClient.mount(true, "exchange.foo");

// Attach the client
mistClient.attach();

// Write a message
mistClient.writeMessage(message);

// Close the client
mistClient.close();

        return sshExecuteCmd(sshConnection, cmd, 3);
    }


    public static int sshExecuteCmdOneShotWithExitCode(com.trilead.ssh2.Connection sshConnection, String cmd) throws SshException {
        s_logger.debug("Executing cmd: " + cmd);
        Session sshSession = null;
        try {
            sshSession = sshConnection.openSession();
            // There is a bug in Trilead library, wait a second before
            // starting a shell and executing commands, from http://spci.st.ewi.tudelft.nl/chiron/xref/nl/tudelft/swerl/util/SSHConnection.html
            Thread.sleep(1000);


            if (sshSession == null) {
                throw new SshException("Cannot open ssh session");
            }


            sshSession.execCommand(cmd);


            InputStream stdout = sshSession.getStdout();
            InputStream stderr = sshSession.getStderr();


            byte[] buffer = new byte[8192];
            StringBuffer sbResult = new StringBuffer();


            int currentReadBytes = 0;
            while (true) {
                if (stdout == null || stderr == null) {
                    throw new SshException("stdout or stderr of ssh session is null");
                }
                if ((stdout.available() == 0) && (stderr.available() == 0)) {
                    int conditions = sshSession.waitForCondition(ChannelCondition.STDOUT_DATA
                                | ChannelCondition.STDERR_DATA | ChannelCondition.EOF | ChannelCondition.EXIT_STATUS,
                                120000);


                    if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                        String msg = "Timed out in waiting SSH execution result";
                        s_logger.error(msg);
                        throw new Exception(msg);
                    }


                    if ((conditions & ChannelCondition.EXIT_STATUS) != 0) {
                        if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                            break;
                        }
                    }


                    if ((conditions & ChannelCondition.EOF) != 0) {
                        if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                            break;
                        }
                    }
                }


                while (stdout.available() > 0) {
                    currentReadBytes = stdout.read(buffer);
                    sbResult.append(new String(buffer, 0, currentReadBytes));
                }


                while (stderr.available() > 0) {
                    currentReadBytes = stderr.read(buffer);
                    sbResult.append(new String(buffer, 0, currentReadBytes));
                }
            }


            String result = sbResult.toString();
            if (result != null && !result.isEmpty())
                s_logger.debug(cmd + " output:" + result);
            // exit status delivery might get delayed
            for(int i = 0 ; i<10 ; i++ ) {
                Integer status = sshSession.getExitStatus();
                if( status != null ) {
                    return status;
                }
                Thread.sleep(100);
            }
            return -1;
        } catch (Exception e) {
            s_logger.debug("Ssh executed failed", e);
            throw new SshException("Ssh executed failed " + e.getMessage());
        } finally {
            if (sshSession != null)
                sshSession.close();
        }
    }

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                }


                if (conn == null) {
                    s_logger.error("Connection is null");
                }
                Session sess = conn.openSession();


                s_logger.info("User + " + s_account.get() + " executing : wget http://" + downloadUrl);
                String downloadCommand = "wget http://" + downloadUrl + " && dir dump.bin";
                sess.execCommand(downloadCommand);


                InputStream stdout = sess.getStdout();
                InputStream stderr = sess.getStderr();


                byte[] buffer = new byte[8192];
                while (true) {
                    if ((stdout.available() == 0) && (stderr.available() == 0)) {
                        int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF, 120000);


                        if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                            s_logger.info("Timeout while waiting for data from peer.");
                            return null;
                        }


                        if ((conditions & ChannelCondition.EOF) != 0) {
                            if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                                break;
                            }
                        }
                    }


                    while (stdout.available() > 0) {
                        success = true;
                        int len = stdout.read(buffer);
                        if (len > 0) // this check is somewhat paranoid
                            s_logger.info(new String(buffer, 0, len));
                    }


                    while (stderr.available() > 0) {
                        /* int len = */stderr.read(buffer);
                    }
                }
                sess.close();
                conn.close();


                if (success) {
                    return null;
                } else {

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                if (i % 10 == 0)
                    linuxCommand = "rm -rf *; wget http://" + downloadUrl + " && ls -al dump.bin";
                else
                    linuxCommand = "wget http://" + downloadUrl + " && ls -al dump.bin";


                Session sess = conn.openSession();
                s_logger.info("User " + s_account.get() + " executing : " + linuxCommand);
                sess.execCommand(linuxCommand);


                InputStream stdout = sess.getStdout();
                InputStream stderr = sess.getStderr();


                byte[] buffer = new byte[8192];
                while (true) {
                    if ((stdout.available() == 0) && (stderr.available() == 0)) {
                        int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF, 120000);


                        if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                            s_logger.info("Timeout while waiting for data from peer.");
                            return null;
                        }


                        if ((conditions & ChannelCondition.EOF) != 0) {
                            if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                                break;
                            }
                        }
                    }


                    while (stdout.available() > 0) {
                        success = true;
                        int len = stdout.read(buffer);
                        if (len > 0) // this check is somewhat paranoid
                            s_logger.info(new String(buffer, 0, len));
                    }


                    while (stderr.available() > 0) {
                        /* int len = */stderr.read(buffer);
                    }
                }


                sess.close();
                conn.close();


                if (!success) {
                    retry++;
                    if (retry == MAX_RETRY_LINUX) {

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        if (logger.isLoggable(Level.FINER)) {
            logger.finer("Running command " + command + " on host: " + this.host);
        }


        openConnection();
        final Session sess = connection.openSession();


        int status = exec(sess, command, os, listInputStream(stdinLines));


        // XXX: Should we close connection after each command or cache it
        // and re-use it?

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        if (logger.isLoggable(Level.FINER)) {
            logger.finer("Running command " + command + " on host: " + this.host);
        }


        openConnection();
        final Session sess = connection.openSession();


        int status = exec(sess, command, os, listInputStream(stdinLines));


        // XXX: Should we close connection after each command or cache it
        // and re-use it?

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        }


        openConnection();
        StringBuffer buff = new StringBuffer();
        if (env != null) {
            Session tempSession = connection.openSession();
            OutputStream ous = new ByteArrayOutputStream();
            exec(tempSession, "ps -p $$ | tail -1 | awk '{print $NF}'", ous, null);
            String prefix;
            if (ous.toString().contains("csh")) {
                logger.fine("CSH shell");
                prefix = "setenv";
            } else {
                logger.fine("BASH shell");
                prefix = "export";
            }
            for (String st : env) {
                String cmd = prefix + " " + st;
                buff.append(cmd).append(";");
            }
        }
        buff.append(command);
        final Session sess = connection.openSession();
        int status = exec(sess, buff.toString(), os, listInputStream(stdinLines));


        // XXX: Should we close connection after each command or cache it
        // and re-use it?
        SSHUtil.unregister(connection);

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        }
        
        public Session openSession() throws IOException {
            lock(Thread.currentThread());
            try {
                Session session = myConnection.openSession();
                if (session != null) {
                    mySessionCount++;
                }
                SVNDebugLog.getDefaultLog().logFine(SVNLogType.NETWORK, 
                        ourRequestor + ": SESSION OPENED: " + this + "." + mySessionCount);

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        if (logger.isLoggable(Level.FINER)) {
            logger.finer("Running command " + command + " on host: " + this.host);
        }


        openConnection();
        final Session sess = connection.openSession();


        int status = exec(sess, command, os, listInputStream(stdinLines));


        // XXX: Should we close connection after each command or cache it
        // and re-use it?

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        }


        openConnection();
        StringBuffer buff = new StringBuffer();
        if (env != null) {
            Session tempSession = connection.openSession();
            OutputStream ous = new ByteArrayOutputStream();
            exec(tempSession, "ps -p $$ | tail -1 | awk '{print $NF}'", ous, null);
            String prefix;
            if (ous.toString().contains("csh")) {
                logger.fine("CSH shell");
                prefix = "setenv";
            } else {
                logger.fine("BASH shell");
                prefix = "export";
            }
            for (String st : env) {
                String cmd = prefix + " " + st;
                buff.append(cmd).append(";");
            }
        }
        buff.append(command);
        final Session sess = connection.openSession();
        int status = exec(sess, buff.toString(), os, listInputStream(stdinLines));


        // XXX: Should we close connection after each command or cache it
        // and re-use it?
        SSHUtil.unregister(connection);

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        if (logger.isLoggable(Level.FINER)) {
            logger.finer("Running command " + command + " on host: " + this.host);
        }


        openConnection();
        final Session sess = connection.openSession();


        int status = exec(sess, command, os, listInputStream(stdinLines));


        // XXX: Should we close connection after each command or cache it
        // and re-use it?

View Full Code Here

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