1 files changed, 79 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/Timer.h b/qpid/cpp/src/qpid/broker/Timer.h
new file mode 100644
index 0000000000..f702f0f32d
--- /dev/null
+++ b/qpid/cpp/src/qpid/broker/Timer.h
@@ -0,0 +1,79 @@
+/*
+ *
+ * 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 "qpid/sys/Monitor.h"
+#include "qpid/sys/Thread.h"
+#include "qpid/sys/Runnable.h"
+#include "qpid/RefCounted.h"
+
+#include <memory>
+#include <queue>
+
+#include <boost/intrusive_ptr.hpp>
+
+namespace qpid {
+namespace broker {
+
+struct TimerTask : public RefCounted {
+    const qpid::sys::Duration duration;
+    qpid::sys::AbsTime time;
+    volatile bool cancelled;
+
+    TimerTask(qpid::sys::Duration timeout);
+    TimerTask(qpid::sys::AbsTime time);
+    virtual ~TimerTask();
+    void reset();
+    virtual void fire() = 0;
+};
+
+struct Later {
+    bool operator()(const boost::intrusive_ptr<TimerTask>& a,
+                    const boost::intrusive_ptr<TimerTask>& b) const;
+};
+
+class Timer : private qpid::sys::Runnable {
+  protected:
+    qpid::sys::Monitor monitor;            
+    std::priority_queue<boost::intrusive_ptr<TimerTask>,
+                        std::vector<boost::intrusive_ptr<TimerTask> >,
+                        Later> tasks;
+    qpid::sys::Thread runner;
+    bool active;
+
+    virtual void run();
+
+  public:
+    Timer();
+    virtual ~Timer();
+
+    void add(boost::intrusive_ptr<TimerTask> task);
+    void start();
+    void stop();
+
+};
+
+
+}}
+
+
+#endif