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diff --git a/src/messaging/timeoutHandler.hpp b/src/messaging/timeoutHandler.hpp
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+++ b/src/messaging/timeoutHandler.hpp
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+//
+// VMime library (http://vmime.sourceforge.net)
+// Copyright (C) 2002-2004 Vincent Richard <[email protected]>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of
+// the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#ifndef VMIME_MESSAGING_TIMEOUTHANDLER_HPP_INCLUDED
+#define VMIME_MESSAGING_TIMEOUTHANDLER_HPP_INCLUDED
+
+
+namespace vmime {
+namespace messaging {
+
+
+/** A class to manage time-out in messaging services.
+  */
+
+class timeoutHandler
+{
+public:
+
+	virtual ~timeoutHandler() { }
+
+	/** Called to test if the time limit has been reached.
+	  *
+	  * @return true if the time-out delay is elapsed
+	  */
+	virtual const bool isTimeOut() = 0;
+
+	/** Called to reset the time-out counter.
+	  */
+	virtual void resetTimeOut() = 0;
+
+	/** Called when the time limit has been reached (when
+	  * isTimeOut() returned true).
+	  *
+	  * @return true to continue (and reset the time-out)
+	  * or false to cancel the current operation
+	  */
+	virtual const bool handleTimeOut() = 0;
+};
+
+
+class timeoutHandlerFactory
+{
+public:
+
+	virtual ~timeoutHandlerFactory() { }
+
+	virtual timeoutHandler* create() = 0;
+};
+
+
+} // messaging
+} // vmime
+
+
+#endif // VMIME_MESSAGING_TIMEOUTHANDLER_HPP_INCLUDED