Java Channel.setInputStream方法代码示例

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
/**
 * Executes a given command. It opens exec channel for the command and closes
 * the channel when it's done.
 *
 * @param session ssh connection to a remote server
 * @param command command to execute
 * @return command output string if the command succeeds, or null
 */
private static String executeCommand(Session session, String command) {
    if (session == null || !session.isConnected()) {
        return null;
    }

    log.trace("Execute command {} to {}", command, session.getHost());

    try {
        Channel channel = session.openChannel("exec");
        ((ChannelExec) channel).setCommand(command);
        channel.setInputStream(null);
        InputStream output = channel.getInputStream();

        channel.connect();
        String result = CharStreams.toString(new InputStreamReader(output));
        channel.disconnect();

        log.trace("Result of command {} on {}: {}", command, session.getHost(), result);

        return result;
    } catch (JSchException | IOException e) {
        log.error("Failed to execute command {} on {} due to {}", command, session.getHost(), e.toString());
        return null;
    }
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
public void executeCommand(final String command) throws IOException { // Cliente SSH final
    JSch jsch = new JSch();
    Properties props = new Properties();
    props.put("StrictHostKeyChecking", "no");
    try {
        Session session = jsch.getSession(user, host, 22);
        session.setConfig(props);
        session.setPassword(password);
        session.connect();
        java.util.logging.Logger.getLogger(RemoteShell.class.getName())
                .log(Level.INFO, session.getServerVersion());

        Channel channel = session.openChannel("exec");
        ((ChannelExec) channel).setCommand(command);
        // Daqui para baixo é somente para imprimir a saida
        channel.setInputStream(null);

        ((ChannelExec) channel).setErrStream(System.err);

        InputStream in = channel.getInputStream();

        channel.connect();

        byte[] tmp = new byte[1024];
        while (true) {
            while (in.available() > 0) {
                int i = in.read(tmp, 0, 1024);
                if (i < 0) {
                    break;
                }
                System.out.print(new String(tmp, 0, i));
            }
            if (channel.isClosed()) {
                if (in.available() > 0) {
                    continue;
                }
                System.out
                        .println("exit-status: " + channel.getExitStatus());
                break;
            }
            try {
                Thread.sleep(1000);
            } catch (Exception ee) {
            }
        }
        channel.disconnect();
        session.disconnect();

    } catch (JSchException ex) {
        java.util.logging.Logger.getLogger(RemoteShell.class.getName())
                .log(Level.SEVERE, null, ex);
    }
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
public static String connectAndExecute(String user, String host, String password, String command1) {
	String CommandOutput = null;
	try {

		java.util.Properties config = new java.util.Properties();
		config.put("StrictHostKeyChecking", "no");
		JSch jsch = new JSch();

		Session session = jsch.getSession(user, host, 22);
		session.setPassword(password);
		session.setConfig(config);
		session.connect();
		// System.out.println("Connected");

		Channel channel = session.openChannel("exec");
		((ChannelExec) channel).setCommand(command1);
		channel.setInputStream(null);
		((ChannelExec) channel).setErrStream(System.err);

		InputStream in = channel.getInputStream();

		channel.connect();
		byte[] tmp = new byte[1024];
		while (true) {
			while (in.available() > 0) {
				int i = in.read(tmp, 0, 1024);

				if (i < 0)
					break;
				// System.out.print(new String(tmp, 0, i));
				CommandOutput = new String(tmp, 0, i);
			}

			if (channel.isClosed()) {
				// System.out.println("exit-status: " +
				// channel.getExitStatus());
				break;
			}
			try {
				Thread.sleep(1000);
			} catch (Exception ee) {
			}
		}
		channel.disconnect();
		session.disconnect();
		// System.out.println("DONE");

	} catch (Exception e) {
		e.printStackTrace();
	}
	return CommandOutput;

}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
@Override
public final Collection<Metric> gatherMetrics(final ICommandLine cl) throws MetricGatheringException {
    List<Metric> metrics = new ArrayList<Metric>();
    Session session = null;
    try {
        session = SshUtils.getSession(cl);
        Channel channel = session.openChannel("shell");
        channel.setInputStream(System.in);

        channel.setOutputStream(System.out);
        channel.connect();
        metrics.add(new Metric("connected", "", new BigDecimal(1), null, null));
        channel.disconnect();
        session.disconnect();

    } catch (Exception e) {
        
        String message = e.getMessage();
        
        metrics.add(new Metric("connected", message, new BigDecimal(0), null, null));
        LOG.debug(getContext(), message, e);
    }
    return metrics;
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
protected void sshCall(String username, String password, SshExecutor executor, String channelType) {
    try {
        JSch jsch = new JSch();
        Session session = jsch.getSession(username, props.getShell().getHost(), props.getShell().getPort());
        session.setPassword(password);
        Properties config = new Properties();
        config.put("StrictHostKeyChecking", "no");
        session.setConfig(config);
        session.connect();
        Channel channel = session.openChannel(channelType);
        PipedInputStream pis = new PipedInputStream();
        PipedOutputStream pos = new PipedOutputStream();
        channel.setInputStream(new PipedInputStream(pos));
        channel.setOutputStream(new PipedOutputStream(pis));
        channel.connect();
        try {
            executor.execute(pis, pos);
        } finally {
            pis.close();
            pos.close();
            channel.disconnect();
            session.disconnect();
        }
    } catch(JSchException | IOException ex) {
        fail(ex.toString());
    }
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
public void upload(File srcFile, String destFile, long timeout) throws JSchException, SftpException, IOException {
    Channel channel = this.session.openChannel("sftp");
    channel.setInputStream(System.in);
    channel.setOutputStream(System.out);
    channel.connect();
    channels.add(channel);

    new ChanneOperationTimer(channel, timeout).start();
    ChannelSftp sftp = (ChannelSftp) channel;
    sftp.put(FileUtils.openInputStream(srcFile), destFile);
    sftp.exit();
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
public void download(String srcFile, File destFile, long timeout) throws JSchException, SftpException, IOException {
    Channel channel = this.session.openChannel("sftp");
    channel.setInputStream(System.in);
    channel.setOutputStream(System.out);
    channel.connect();
    channels.add(channel);
    new ChanneOperationTimer(channel, timeout).start();

    ChannelSftp sftp = (ChannelSftp) channel;
    try (FileOutputStream out = FileUtils.openOutputStream(destFile)) {
        sftp.get(srcFile, out);
    } finally {
        sftp.exit();
    }
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
public static void executeCommandNoResponse( Session sessionObj, String command )
    throws JSchException, IOException
{
    logger.debug( "Starting to execute command [" + maskedPasswordString( command ) + "]" );

    if ( sessionObj != null && command != null && !"".equals( command ) )
    {
        Channel channel = null;

        try
        {
            channel = sessionObj.openChannel( "exec" );
            ( (ChannelExec) channel ).setCommand( command );
            channel.setInputStream( null );
            ( (ChannelExec) channel ).setErrStream( System.err );
            channel.getInputStream();
            channel.connect();
            /* We do not care about whether the command succeeds or not */

            if ( channel.isClosed() && channel.getExitStatus() != 0 )
            {
                logger.debug( "Command exited with error code " + channel.getExitStatus() );
            }
        }
        catch ( Exception e )
        {
            logger.error( "Received exception during command execution", e );
        }
        finally
        {
            if ( channel != null && channel.isConnected() )
            {
                channel.disconnect();
            }
            logger.debug( "End of execution of command [" + maskedPasswordString( command ) + "]" );
        }
    }
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
public static void executeCommandNoResponse( Session sessionObj, String command )
    throws JSchException, IOException
{
    logger.debug( "Starting to execute command [" + command + "]" );

    if ( sessionObj != null && command != null && !"".equals( command ) )
    {
        Channel channel = null;

        try
        {
            channel = sessionObj.openChannel( "exec" );
            ( (ChannelExec) channel ).setCommand( command );
            channel.setInputStream( null );
            ( (ChannelExec) channel ).setErrStream( System.err );
            channel.getInputStream();
            channel.connect();
            /* We do not care about whether the command succeeds or not */

            if ( channel.isClosed() && channel.getExitStatus() != 0 )
            {
                logger.debug( "Command exited with error code " + channel.getExitStatus() );
            }
        }
        catch ( Exception e )
        {
            logger.error( "Received exception during command execution", e );
        }
        finally
        {
            if ( channel != null && channel.isConnected() )
            {
                channel.disconnect();
            }
            logger.debug( "End of execution of command [" + command + "]" );
        }
    }
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
private void executeCommand(String command) throws JSchException, IOException, InterruptedException {
    connectIfNot();
    Channel channel = session.openChannel("exec");
    try {
        ((ChannelExec) channel).setCommand(command);
        ((ChannelExec) channel).setErrStream(System.err);
        ((ChannelExec) channel).setPty(true);
        ((ChannelExec) channel).setPtyType("vt100");
        channel.setInputStream(null);
        channel.setOutputStream(System.out);
        InputStream in = channel.getInputStream();
        logger.info("ssh exec command => {}", command);
        channel.connect();

        byte[] buffer = new byte[1024];
        while (true) {
            while (in.available() > 0) {
                int i = in.read(buffer, 0, 1024);
                if (i < 0) break;
                messageLogger.info(new String(buffer, 0, i, Charsets.UTF_8));
            }
            if (channel.isClosed()) {
                logger.info("ssh exec exit status => " + channel.getExitStatus());
                break;
            }

            Thread.sleep(1000);
        }

        if (channel.getExitStatus() != 0) {
            throw new JSchException("failed to run command, command=" + command);
        }
    } finally {
        channel.disconnect();
    }
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
/**
 * @param positiveExitCodes The exit codes to consider the command a success. This will normally be only 0, but in case of
 * f.ex. 'diff' 1 is also ok.
 */
public void runCommand(String server, String command, int commandTimeout, String quotes, int[] positiveExitCodes) 
        throws Exception {
    RemoteCommand remoteCommand = new RemoteCommand(server, command, quotes);

    log.info("Running JSch command: " + remoteCommand);
    
    
    BufferedReader inReader = null;
    BufferedReader errReader = null;
    JSch jsch = new JSch();
    Session session = jsch.getSession("test", TestEnvironment.DEPLOYMENT_SERVER);
    setupJSchIdentity(jsch);
    session.setConfig("StrictHostKeyChecking", "no");
    
    long startTime = System.currentTimeMillis();
    session.connect();
    Channel channel = session.openChannel("exec");
    ((ChannelExec) channel).setCommand(remoteCommand.commandAsString());
    channel.setInputStream(null);
    ((ChannelExec) channel).setErrStream(null);

    InputStream in = channel.getInputStream();
    InputStream err = ((ChannelExec) channel).getErrStream();

    channel.connect(1000);
    log.debug("Channel connected, command: " + remoteCommand.commandAsString());

    inReader = new BufferedReader(new InputStreamReader(in));
    errReader = new BufferedReader(new InputStreamReader(err));

    int numberOfSecondsWaiting = 0;
    int maxNumberOfSecondsToWait = 60*10;
    while (true) {
        if (channel.isClosed()) {
            log.info("Command finished in "
                    + (System.currentTimeMillis() - startTime) / 1000
                    + " seconds. " + "Exit code was "
                    + channel.getExitStatus());
            boolean errorOccured = true;
            for (int positiveExit:positiveExitCodes) {
                if (positiveExit == channel.getExitStatus()) {
                    errorOccured = false;
                    break;
                }
            }
            if (errorOccured || err.available() > 0) { 
                throw new RuntimeException("Failed to run command, exit code " + channel.getExitStatus());
            }
            break;
        } else if ( numberOfSecondsWaiting > maxNumberOfSecondsToWait) {
            log.info("Command not finished after " + maxNumberOfSecondsToWait + " seconds. " +
                    "Forcing disconnect.");
            channel.disconnect();
            break;
        }
        try {
            Thread.sleep(1000);

            String s;
            while ((s = inReader.readLine()) != null) {
                if (!s.trim().isEmpty()) log.debug("ssh: " + s);
            }
            while ((s = errReader.readLine()) != null) {
                if (!s.trim().isEmpty()) log.warn("ssh error: " + s);
            }
        } catch (InterruptedException ie) {
        }
    }
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
/**
 * Gets the channel.
 * 
 * @param session
 *            the session
 * @param command
 *            the command
 * @return the channel
 * @throws JSchException
 *             the j sch exception
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public static Channel getChannel(Session session, String command) throws JSchException, IOException {
	session.connect();
	LOGGER.debug("Session ["+session+"] connected");		
	Channel channel = session.openChannel("exec");

	((ChannelExec) channel).setCommand(command);
	channel.setInputStream(null);

	InputStream in = channel.getInputStream();

	channel.connect();
	((ChannelExec) channel).setErrStream(System.err);

	byte[] tmp = new byte[RemotingConstants.ONE_ZERO_TWO_FOUR];
	while (true) {
		while (in.available() > 0) {
			int i = in.read(tmp, 0, RemotingConstants.ONE_ZERO_TWO_FOUR);
			if (i < 0){
				break;
			}
		}
		if (channel.isClosed()) {
			break;
		}
	}
	LOGGER.debug("Channel connected, mode [exec]");
	return channel;
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
private String getRemoteHomePath() {
  final String getHomeCommand = "pwd";
  try {
    final Channel channel = this.remoteSession.openChannel("exec");
    ((ChannelExec) channel).setCommand(getHomeCommand);
    channel.setInputStream(null);
    final InputStream stdout = channel.getInputStream();
    channel.connect();

    byte[] tmp = new byte[1024];
    StringBuilder homePath = new StringBuilder();
    while (true) {
      while (stdout.available() > 0) {
        final int len = stdout.read(tmp, 0, 1024);
        if (len < 0) {
          break;
        }
        homePath = homePath.append(new String(tmp, 0, len, StandardCharsets.UTF_8));
      }
      if (channel.isClosed()) {
        if (stdout.available() > 0) {
          continue;
        }
        break;
      }
    }
    return homePath.toString().trim();
  } catch (final JSchException | IOException ex) {
    throw new RuntimeException("Unable to retrieve home directory from " +
        this.remoteHostName + " with the pwd command", ex);
  }
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
/**
 * Execute command
 * @param host
 * @param user
 * @param passwd
 * @param cmd
 * @return String the reply of remote session
 */
public String execCmd (String host, String user, String passwd, String cmd){
    String replyy = "";
    String reply = null;
    try{
        JSch jsch=new JSch();
        Session session=jsch.getSession(user, host, 22);
        UserInfo ui = new MyUserInfo(passwd);
        session.setUserInfo(ui);
        session.setTimeout(600000);
        session.connect();
        Channel channel=session.openChannel("exec");
        ((ChannelExec)channel).setCommand(cmd);
        channel.setInputStream(null);
        InputStreamReader in = new InputStreamReader(channel.getInputStream());
        OutputStreamWriter out = new OutputStreamWriter(channel.getOutputStream());
        BufferedWriter bw = new BufferedWriter(out);
        BufferedReader br = new BufferedReader(in);
        channel.connect();
        while ((reply = br.readLine()) != null) {
            bw.write(reply);
            replyy=replyy+"\n"+reply;
            bw.flush();
            Thread.sleep(100);
        }
        while(true){
            if(channel.isClosed()){
                break;
            } try{
                Thread.sleep(1500);
            } catch(Exception ee){
            }
        }
        in.close();
        out.close();
        br.close();
        bw.close();
        channel.disconnect();
        session.disconnect();
    }
    catch(Exception e){
        log.error("ERROR , Possible no connection with : "+user+" "+passwd+ " "+host+"\n\t\t please check LAN and vpn connection or host");
    }
    return replyy;
}
 

import com.jcraft.jsch.Channel; //导入方法依赖的package包/类
/**
 * Execute SSH command and return output
 * @param username The ssh user
 * @param host The host to connect
 * @param key The ssh key
 * @param commandssh The command to launch
 * @return the output of the command
 */
public String outputCommandSSH(String username, String host, String key, String commandssh){
	String res = "";
	try{
	      JSch jsch=new JSch();
	      java.util.Properties config = new java.util.Properties();
	      config.put("StrictHostKeyChecking", "no"); //avoid host key checking

	      int SSH_port = 22; 
	      
	      jsch.addIdentity(key , "passphrase");

	      Session session=jsch.getSession(username, host, SSH_port); //SSH connection
	 
			if(new Configuration().Debug){
				System.out.println("Connection to "+host+" on the port "+SSH_port+" with key: "+key+" and username: "+username);
			}
	      
	      // username and passphrase will be given via UserInfo interface.
	      UserInfo ui=new MyUserInfo();
	      session.setUserInfo(ui);
	      session.setConfig(config);
	      session.connect();

	      Channel channel=session.openChannel("exec"); // open channel for exec command
	      ((ChannelExec)channel).setCommand(commandssh);

	      channel.setInputStream(null);

	      ((ChannelExec)channel).setErrStream(System.err);
		
	      InputStream in=channel.getInputStream();
		
	      channel.connect();
		
		/*
		 * get output ssh command launched
		 */
		byte[] tmp=new byte[1024];
		while(true){
			while(in.available()>0){
				int i=in.read(tmp, 0, 1024);
				if(i<0)break;
				res += new String(tmp, 0, i);
				//System.out.print(new String(tmp, 0, i));
			}
			if(channel.isClosed()){
				if(in.available()>0) continue; 
				if(new Configuration().Debug){
					System.out.println("exit-status: "+channel.getExitStatus());
				}
				break;
			}
			try{Thread.sleep(1000);}catch(Exception ee){}
		}
		channel.disconnect();
		session.disconnect();
		}
		
		catch(Exception e){
			System.out.println(e);
		}
	return res;
}