--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlib/bundling/ExpirationTimer.cc	Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,48 @@
+/*
+ *    Copyright 2005-2006 Intel Corporation
+ * 
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ * 
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <dtn-config.h>
+#endif
+
+#include "BundleDaemon.h"
+#include "BundleEvent.h"
+#include "ExpirationTimer.h"
+
+namespace dtn {
+
+ExpirationTimer::ExpirationTimer(Bundle* bundle)
+    : bundleref_(bundle, "expiration timer")
+{
+}
+
+void
+ExpirationTimer::timeout(const struct timeval& now)
+{
+    (void)now;
+    oasys::ScopeLock l(bundleref_->lock(), "ExpirationTimer::timeout");
+
+    // null out the pointer to ourself in the bundle class
+    bundleref_->set_expiration_timer(NULL);
+    
+    // post the expiration event
+    BundleDaemon::post_at_head(new BundleExpiredEvent(bundleref_.object()));
+
+    // clean ourselves up
+    delete this;
+}
+
+} // namespace dtn