view app/src/main/java/ch/ethz/ssh2/LocalStreamForwarder.java @ 467:bf8c2af0f106
Added tag stable-1.9.3-6 for changeset 12e2d9dd95df
author
Carl Byington <carl@five-ten-sg.com>
date
Thu, 05 Sep 2019 09:25:55 -0700 (2019-09-05)
parents
d29cce60f393
children
line source
+ − /*
+ − * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
+ − * Please refer to the LICENSE.txt for licensing details.
+ − */
+ − package ch.ethz.ssh2;
+ −
+ − import java.io.IOException;
+ − import java.io.InputStream;
+ − import java.io.OutputStream;
+ − import java.net.InetAddress;
+ −
+ − import ch.ethz.ssh2.channel.Channel;
+ − import ch.ethz.ssh2.channel.ChannelManager;
+ −
+ − /**
+ − * A <code>LocalStreamForwarder</code> forwards an Input- and Outputstream
+ − * pair via the secure tunnel to another host (which may or may not be identical
+ − * to the remote SSH-2 server).
+ − *
+ − * @author Christian Plattner
+ − * @version 2.50, 03/15/10
+ − */
+ − public class LocalStreamForwarder {
+ − private ChannelManager cm;
+ −
+ − private Channel cn;
+ −
+ − LocalStreamForwarder(ChannelManager cm, String host_to_connect, int port_to_connect) throws IOException {
+ − this.cm = cm;
+ − cn = cm.openDirectTCPIPChannel(host_to_connect, port_to_connect,
+ − InetAddress.getLocalHost().getHostAddress(), 0);
+ − }
+ −
+ − /**
+ − * @return An <code>InputStream</code> object.
+ − * @throws IOException
+ − */
+ − public InputStream getInputStream() throws IOException {
+ − return cn.getStdoutStream();
+ − }
+ −
+ − /**
+ − * Get the OutputStream. Please be aware that the implementation MAY use an
+ − * internal buffer. To make sure that the buffered data is sent over the
+ − * tunnel, you have to call the <code>flush</code> method of the
+ − * <code>OutputStream</code>. To signal EOF, please use the
+ − * <code>close</code> method of the <code>OutputStream</code>.
+ − *
+ − * @return An <code>OutputStream</code> object.
+ − * @throws IOException
+ − */
+ − public OutputStream getOutputStream() throws IOException {
+ − return cn.getStdinStream();
+ − }
+ −
+ − /**
+ − * Close the underlying SSH forwarding channel and free up resources.
+ − * You can also use this method to force the shutdown of the underlying
+ − * forwarding channel. Pending output (OutputStream not flushed) will NOT
+ − * be sent. Pending input (InputStream) can still be read. If the shutdown
+ − * operation is already in progress (initiated from either side), then this
+ − * call is a no-op.
+ − *
+ − * @throws IOException
+ − */
+ − public void close() throws IOException {
+ − cm.closeChannel(cn, "Closed due to user request.", true);
+ − }
+ − }