1 files changed, 98 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/QueueCleaner.cpp b/qpid/cpp/src/qpid/broker/QueueCleaner.cpp
new file mode 100644
index 0000000000..bf4b62c849
--- /dev/null
+++ b/qpid/cpp/src/qpid/broker/QueueCleaner.cpp
@@ -0,0 +1,98 @@
+/*
+ *
+ * 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.
+ *
+ */
+#include "qpid/broker/QueueCleaner.h"
+
+#include "qpid/broker/Broker.h"
+#include "qpid/broker/Queue.h"
+#include "qpid/sys/Timer.h"
+#include "qpid/sys/Time.h"
+
+#include <boost/function.hpp>
+#include <boost/bind.hpp>
+
+namespace qpid {
+namespace broker {
+
+namespace {
+    typedef boost::function0<void> FireFunction;
+    class Task : public sys::TimerTask
+    {
+    public:
+        Task(FireFunction f, sys::Duration duration);
+        void fire();
+    private:
+        FireFunction fireFunction;
+    };
+
+    Task::Task(FireFunction f, qpid::sys::Duration d) : sys::TimerTask(d,"QueueCleaner"), fireFunction(f) {}
+
+    void Task::fire()
+    {
+        fireFunction();
+    }
+}
+QueueCleaner::QueueCleaner(QueueRegistry& q, boost::shared_ptr<sys::Poller> p, sys::Timer* t)
+    : queues(q), timer(t), purging(boost::bind(&QueueCleaner::purge, this, _1), p)
+{
+    purging.start();
+}
+
+QueueCleaner::~QueueCleaner()
+{
+    purging.stop();
+    if (task) task->cancel();
+}
+
+void QueueCleaner::start(qpid::sys::Duration p)
+{
+    period = p;
+    task = new Task(boost::bind(&QueueCleaner::fired, this), p);
+    timer->add(task);
+}
+
+void QueueCleaner::setTimer(qpid::sys::Timer* timer) {
+    this->timer = timer;
+}
+
+void QueueCleaner::fired()
+{
+    QPID_LOG(debug, "QueueCleaner::fired: requesting purge");
+    queues.eachQueue(boost::bind(&PurgeSet::push, &purging, _1));
+    task->restart(); // Update task restart time to now()+interval
+    timer->add(task);
+}
+
+QueueCleaner::QueuePtrs::const_iterator QueueCleaner::purge(const QueueCleaner::QueuePtrs& batch)
+{
+    const sys::AbsTime tmoTime = sys::AbsTime(sys::AbsTime::now(), 1 * sys::TIME_SEC);
+    int nPurged = 0;
+    QueuePtrs::const_iterator batchItr = batch.begin();
+    for ( ; batchItr != batch.end() && sys::AbsTime::now() < tmoTime; ++batchItr) {
+        task->restart(); // Update task restart time to now()+interval
+        (*batchItr)->purgeExpired(period);
+        nPurged++;
+    }
+    QPID_LOG(debug, "QueueCleaner::purge: purged " << nPurged << " of " << batch.size() << " queues");
+    task->restart(); // Update task restart time to now()+interval
+    return batchItr;
+}
+
+}} // namespace qpid::broker