--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlib/routing/ProphetTimer.h	Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,79 @@
+/*
+ *    Copyright 2007 Baylor University
+ * 
+ *    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.
+ */
+
+#ifndef _PROPHET_TIMER_H_
+#define _PROPHET_TIMER_H_
+
+#include <oasys/thread/Timer.h>
+#include <oasys/thread/Lock.h>
+#include "prophet/Alarm.h"
+#include "prophet/Encounter.h"
+
+namespace dtn
+{
+
+class ProphetTimer : public oasys::Timer,
+                     public prophet::Alarm
+{
+public:
+    ProphetTimer(prophet::ExpirationHandler* eh,
+                 oasys::SpinLock* lock)
+    : oasys::Timer(),
+      prophet::Alarm(eh),
+      lock_(lock)
+    {
+        ASSERT( eh != NULL );
+        ASSERT( lock != NULL );
+    }
+
+    virtual ~ProphetTimer() {}
+
+    /**
+     * Virtual from oasys::Timer
+     */
+    void timeout(const struct timeval& now)
+    {
+        (void)now;
+        oasys::ScopeLock l(lock_,"ProphetTimer::timeout");
+        prophet::Alarm::timeout();
+    }
+
+    ///@{ Virtual from prophet::Alarm
+    void schedule(u_int milliseconds)
+    {
+        oasys::Timer::schedule_in(milliseconds);
+    }
+    u_int time_remaining() const
+    {
+        struct timeval now;
+        ::gettimeofday(&now,0);
+        struct timeval when = const_cast<ProphetTimer*>(this)->when();
+        int diff = TIMEVAL_DIFF_MSEC(when, now);
+        return (diff < 0) ? 0 : diff;
+    }
+    void cancel() { oasys::Timer::cancel(); }
+    bool pending() const { return oasys::Timer::pending_; }
+    bool cancelled() const { return oasys::Timer::cancelled_; }
+    ///@}
+
+protected:
+    oasys::SpinLock* lock_; ///< synchronize/serialize access to handler
+
+}; // class ProphetTimer
+
+}; // namespace dtn
+
+#endif // _PROPHET_TIMER_H_