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-rw-r--r--cpp/src/qpid/broker/Timer.h76
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diff --git a/cpp/src/qpid/broker/Timer.h b/cpp/src/qpid/broker/Timer.h
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+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 _Timer_
+#define _Timer_
+
+#include <memory>
+#include <queue>
+#include <boost/shared_ptr.hpp>
+#include "qpid/sys/Monitor.h"
+#include "qpid/sys/Thread.h"
+#include "qpid/sys/Runnable.h"
+
+namespace qpid {
+namespace broker {
+
+struct TimerTask
+{
+ typedef boost::shared_ptr<TimerTask> shared_ptr;
+
+ const qpid::sys::AbsTime time;
+ volatile bool cancelled;
+
+ TimerTask(qpid::sys::Duration timeout);
+ TimerTask(qpid::sys::AbsTime time);
+ virtual ~TimerTask();
+ virtual void fire() = 0;
+};
+
+ struct Later
+ {
+ bool operator()(const TimerTask::shared_ptr& a, const TimerTask::shared_ptr& b) const;
+ };
+
+class Timer : private qpid::sys::Runnable
+{
+ qpid::sys::Monitor monitor;
+ std::priority_queue<TimerTask::shared_ptr, std::vector<TimerTask::shared_ptr>, Later> tasks;
+ std::auto_ptr<qpid::sys::Thread> runner;
+ bool active;
+
+ void run();
+ void signalStop();
+
+public:
+ Timer();
+ ~Timer();
+
+ void add(TimerTask::shared_ptr task);
+ void start();
+ void stop();
+
+};
+
+}
+}
+
+
+#endif