--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ch/ethz/ssh2/ConnectionMonitor.java	Fri Jul 18 11:21:46 2014 -0700
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
+ * Please refer to the LICENSE.txt for licensing details.
+ */
+package ch.ethz.ssh2;
+
+/**
+ * A <code>ConnectionMonitor</code> is used to get notified when the
+ * underlying socket of a connection is closed. 
+ * 
+ * @author Christian Plattner
+ * @version 2.50, 03/15/10
+ */
+
+public interface ConnectionMonitor
+{
+	/**
+	 * This method is called after the connection's underlying
+	 * socket has been closed. E.g., due to the {@link Connection#close()} request of the
+	 * user, if the peer closed the connection, due to a fatal error during connect()
+	 * (also if the socket cannot be established) or if a fatal error occured on
+	 * an established connection.
+	 * <p>
+	 * This is an experimental feature.
+	 * <p>
+	 * You MUST NOT make any assumption about the thread that invokes this method.
+	 * <p>
+	 * <b>Please note: if the connection is not connected (e.g., there was no successful
+	 * connect() call), then the invocation of {@link Connection#close()} will NOT trigger
+	 * this method.</b>
+	 * 
+	 * @see Connection#addConnectionMonitor(ConnectionMonitor)
+	 * 
+	 * @param reason Includes an indication why the socket was closed.
+	 */
+	public void connectionLost(Throwable reason);
+}
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