Mercurial > 510Connectbot
diff src/com/trilead/ssh2/LocalStreamForwarder.java @ 0:0ce5cc452d02
initial version
author | Carl Byington <carl@five-ten-sg.com> |
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date | Thu, 22 May 2014 10:41:19 -0700 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/com/trilead/ssh2/LocalStreamForwarder.java Thu May 22 10:41:19 2014 -0700 @@ -0,0 +1,72 @@ + +package com.trilead.ssh2; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; + +import com.trilead.ssh2.channel.Channel; +import com.trilead.ssh2.channel.ChannelManager; +import com.trilead.ssh2.channel.LocalAcceptThread; + + +/** + * 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, plattner@trilead.com + * @version $Id: LocalStreamForwarder.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $ + */ +public class LocalStreamForwarder { + ChannelManager cm; + + String host_to_connect; + int port_to_connect; + LocalAcceptThread lat; + + Channel cn; + + LocalStreamForwarder(ChannelManager cm, String host_to_connect, int port_to_connect) throws IOException { + this.cm = cm; + this.host_to_connect = host_to_connect; + this.port_to_connect = port_to_connect; + cn = cm.openDirectTCPIPChannel(host_to_connect, port_to_connect, "127.0.0.1", 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); + } +}