Examples with ChannelSftp com.jcraft.jsch.ChannelSftp used on opensource projects

Example 31 with ChannelSftp

use of com.jcraft.jsch.ChannelSftp in project cdap by caskdata.

the class SFTPFileSystem method open.

@Override
public FSDataInputStream open(Path f, int bufferSize) throws IOException {
    ChannelSftp channel = connect();
    Path workDir;
    try {
        workDir = new Path(channel.pwd());
    } catch (SftpException e) {
        throw new IOException(e);
    }
    Path absolute = makeAbsolute(workDir, f);
    FileStatus fileStat = getFileStatus(channel, absolute);
    if (fileStat.isDirectory()) {
        disconnect(channel);
        throw new IOException(String.format(E_PATH_DIR, f));
    }
    InputStream is;
    try {
        // the path could be a symbolic link, so get the real path
        absolute = new Path("/", channel.realpath(absolute.toUri().getPath()));
        is = channel.get(absolute.toUri().getPath());
    } catch (SftpException e) {
        throw new IOException(e);
    }
    FSDataInputStream fis = new FSDataInputStream(new SFTPInputStream(is, channel, statistics));
    return fis;
}

Example 32 with ChannelSftp

use of com.jcraft.jsch.ChannelSftp in project cdap by caskdata.

the class SFTPConnectionPool method shutdown.

/** Shutdown the connection pool and close all open connections. */
synchronized void shutdown() {
    if (this.con2infoMap == null) {
        // already shutdown in case it is called
        return;
    }
    LOG.info("Inside shutdown, con2infoMap size=" + con2infoMap.size());
    this.maxConnection = 0;
    Set<ChannelSftp> cons = con2infoMap.keySet();
    if (cons != null && cons.size() > 0) {
        // make a copy since we need to modify the underlying Map
        Set<ChannelSftp> copy = new HashSet<ChannelSftp>(cons);
        // Initiate disconnect from all outstanding connections
        for (ChannelSftp con : copy) {
            try {
                disconnect(con);
            } catch (IOException ioe) {
                ConnectionInfo info = con2infoMap.get(con);
                LOG.error("Error encountered while closing connection to " + info.getHost(), ioe);
            }
        }
    }
    // make sure no further connections can be returned.
    this.idleConnections = null;
    this.con2infoMap = null;
}

Example 33 with ChannelSftp

use of com.jcraft.jsch.ChannelSftp in project cdap by caskdata.

the class SFTPConnectionPool method getFromPool.

synchronized ChannelSftp getFromPool(ConnectionInfo info) throws IOException {
    Set<ChannelSftp> cons = idleConnections.get(info);
    ChannelSftp channel;
    if (cons != null && cons.size() > 0) {
        Iterator<ChannelSftp> it = cons.iterator();
        if (it.hasNext()) {
            channel = it.next();
            idleConnections.remove(info);
            return channel;
        } else {
            throw new IOException("Connection pool error.");
        }
    }
    return null;
}

Example 34 with ChannelSftp

use of com.jcraft.jsch.ChannelSftp in project cdap by caskdata.

the class SFTPFileSystem method getHomeDirectory.

@Override
public Path getHomeDirectory() {
    ChannelSftp channel = null;
    try {
        channel = connect();
        Path homeDir = new Path(channel.pwd());
        return homeDir;
    } catch (Exception ioe) {
        return null;
    } finally {
        try {
            disconnect(channel);
        } catch (IOException ioe) {
            return null;
        }
    }
}

Example 35 with ChannelSftp

use of com.jcraft.jsch.ChannelSftp in project bamboobsc by billchen198318.

the class SFtpClientUtils method put.

/**
	 * 本地檔案放到遠端SFTP上
	 * 	
	 * @param user
	 * @param password
	 * @param addr
	 * @param port
	 * @param localFile
	 * @param remoteFile
	 * @throws JSchException
	 * @throws SftpException
	 * @throws Exception
	 */
public static void put(String user, String password, String addr, int port, List<String> localFile, List<String> remoteFile) throws JSchException, SftpException, Exception {
    Session session = getSession(user, password, addr, port);
    Channel channel = session.openChannel("sftp");
    channel.connect();
    ChannelSftp sftpChannel = (ChannelSftp) channel;
    try {
        for (int i = 0; i < localFile.size(); i++) {
            String rf = remoteFile.get(i);
            String lf = localFile.get(i);
            logger.info("put local file: " + lf + " write to " + addr + " :" + rf);
            sftpChannel.put(lf, rf);
            logger.info("success write to " + addr + " :" + rf);
        }
    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    } finally {
        sftpChannel.exit();
        channel.disconnect();
        session.disconnect();
    }
}