--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/trilead/ssh2/ConnectionMonitor.java	Thu May 22 10:41:19 2014 -0700
@@ -0,0 +1,33 @@
+
+package com.trilead.ssh2;
+
+/**
+ * A <code>ConnectionMonitor</code> is used to get notified when the
+ * underlying socket of a connection is closed.
+ *
+ * @author Christian Plattner, plattner@trilead.com
+ * @version $Id: ConnectionMonitor.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $
+ */
+
+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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