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Diffstat (limited to 'src/main/java/ch/ethz/ssh2/LocalStreamForwarder.java')
-rw-r--r--src/main/java/ch/ethz/ssh2/LocalStreamForwarder.java74
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diff --git a/src/main/java/ch/ethz/ssh2/LocalStreamForwarder.java b/src/main/java/ch/ethz/ssh2/LocalStreamForwarder.java
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+/*
+ * 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);
+ }
+}