diff src/com/trilead/ssh2/LocalStreamForwarder.java @ 0:0ce5cc452d02

initial version
author Carl Byington <carl@five-ten-sg.com>
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
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+
+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);
+    }
+}