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diff --git a/vmime-master/src/vmime/net/timeoutHandler.hpp b/vmime-master/src/vmime/net/timeoutHandler.hpp
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+//
+// VMime library (http://www.vmime.org)
+// Copyright (C) 2002 Vincent Richard <vincent@vmime.org>
+//
+// 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 3 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.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// Linking this library statically or dynamically with other modules is making
+// a combined work based on this library.  Thus, the terms and conditions of
+// the GNU General Public License cover the whole combination.
+//
+
+#ifndef VMIME_NET_TIMEOUTHANDLER_HPP_INCLUDED
+#define VMIME_NET_TIMEOUTHANDLER_HPP_INCLUDED
+
+
+#include "vmime/config.hpp"
+
+
+#if VMIME_HAVE_MESSAGING_FEATURES
+
+
+#include "vmime/types.hpp"
+
+
+namespace vmime {
+namespace net {
+
+
+/** A class to manage timeouts in messaging services. This can be used
+  * to stop operations that takes too much time to complete (ie. no data
+  * received from the server for a long time if the network link is down).
+  */
+class VMIME_EXPORT timeoutHandler : public object {
+
+public:
+
+	virtual ~timeoutHandler() { }
+
+	/** Called to test if the time limit has been reached.
+	  *
+	  * @return true if the timeout delay is elapsed
+	  */
+	virtual bool isTimeOut() = 0;
+
+	/** Called to reset the timeout counter.
+	  */
+	virtual void resetTimeOut() = 0;
+
+	/** Called when the time limit has been reached (when
+	  * isTimeOut() returned true).
+	  *
+	  * @return true to continue (and reset the timeout)
+	  * or false to cancel the current operation
+	  */
+	virtual bool handleTimeOut() = 0;
+};
+
+
+/** A class to create 'timeoutHandler' objects.
+  */
+class timeoutHandlerFactory : public object {
+
+public:
+
+	virtual ~timeoutHandlerFactory() { }
+
+	virtual shared_ptr <timeoutHandler> create() = 0;
+};
+
+
+} // net
+} // vmime
+
+
+#endif // VMIME_HAVE_MESSAGING_FEATURES
+
+#endif // VMIME_NET_TIMEOUTHANDLER_HPP_INCLUDED