From 3105021bc9cc72152593c1bce615eabf6720995a Mon Sep 17 00:00:00 2001
From: Gordon Sim <gsim@apache.org>
Date: Mon, 2 Aug 2010 09:51:10 +0000
Subject: Ensure that for clustered broker the queue cleaner is run on the
 correct thread.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@981435 13f79535-47bb-0310-9956-ffa450edef68
---
 cpp/src/qpid/broker/Broker.cpp       |  3 ++-
 cpp/src/qpid/broker/QueueCleaner.cpp | 15 +++++++++++----
 cpp/src/qpid/broker/QueueCleaner.h   |  5 +++--
 3 files changed, 16 insertions(+), 7 deletions(-)

(limited to 'cpp/src/qpid')

diff --git a/cpp/src/qpid/broker/Broker.cpp b/cpp/src/qpid/broker/Broker.cpp
index 1a8bed1be0..5e0ca90e69 100644
--- a/cpp/src/qpid/broker/Broker.cpp
+++ b/cpp/src/qpid/broker/Broker.cpp
@@ -156,7 +156,7 @@ Broker::Broker(const Broker::Options& conf) :
             conf.replayFlushLimit*1024, // convert kb to bytes.
             conf.replayHardLimit*1024),
         *this),
-    queueCleaner(queues, timer),
+    queueCleaner(queues, &timer),
     queueEvents(poller,!conf.asyncQueueEvents), 
     recovery(true),
     clusterUpdatee(false),
@@ -504,6 +504,7 @@ bool Broker::deferDeliveryImpl(const std::string& ,
 
 void Broker::setClusterTimer(std::auto_ptr<sys::Timer> t) {
     clusterTimer = t;
+    queueCleaner.setTimer(clusterTimer.get());
 }
 
 const std::string Broker::TCP_TRANSPORT("tcp");
diff --git a/cpp/src/qpid/broker/QueueCleaner.cpp b/cpp/src/qpid/broker/QueueCleaner.cpp
index ed98468490..a462fe72ea 100644
--- a/cpp/src/qpid/broker/QueueCleaner.cpp
+++ b/cpp/src/qpid/broker/QueueCleaner.cpp
@@ -26,17 +26,24 @@
 namespace qpid {
 namespace broker {
 
-QueueCleaner::QueueCleaner(QueueRegistry& q, sys::Timer& t) : queues(q), timer(t) {}
+QueueCleaner::QueueCleaner(QueueRegistry& q, sys::Timer* t) : queues(q), timer(t) {}
 
 QueueCleaner::~QueueCleaner()
 {
     if (task) task->cancel();
 }
 
+void QueueCleaner::setTimer(sys::Timer* t)
+{
+    timer = t;
+}
+
 void QueueCleaner::start(qpid::sys::Duration p)
 {
-    task = new Task(*this, p);
-    timer.add(task);
+    if (timer) {
+        task = new Task(*this, p);
+        timer->add(task);
+    }
 }
 
 QueueCleaner::Task::Task(QueueCleaner& p, qpid::sys::Duration d) : sys::TimerTask(d), parent(p) {}
@@ -66,7 +73,7 @@ void QueueCleaner::fired()
     queues.eachQueue(collect);
     std::for_each(copy.begin(), copy.end(), boost::bind(&Queue::purgeExpired, _1));
     task->setupNextFire();
-    timer.add(task);
+    if (timer) timer->add(task);
 }
 
 
diff --git a/cpp/src/qpid/broker/QueueCleaner.h b/cpp/src/qpid/broker/QueueCleaner.h
index 11c2d180ac..8eae0afaaf 100644
--- a/cpp/src/qpid/broker/QueueCleaner.h
+++ b/cpp/src/qpid/broker/QueueCleaner.h
@@ -35,8 +35,9 @@ class QueueRegistry;
 class QueueCleaner
 {
   public:
-    QPID_BROKER_EXTERN QueueCleaner(QueueRegistry& queues, sys::Timer& timer);
+    QPID_BROKER_EXTERN QueueCleaner(QueueRegistry& queues, sys::Timer* timer);
     QPID_BROKER_EXTERN ~QueueCleaner();
+    QPID_BROKER_EXTERN void setTimer(sys::Timer* timer);
     QPID_BROKER_EXTERN void start(qpid::sys::Duration period);
   private:
     class Task : public sys::TimerTask
@@ -50,7 +51,7 @@ class QueueCleaner
 
     boost::intrusive_ptr<sys::TimerTask> task;
     QueueRegistry& queues;
-    sys::Timer& timer;
+    sys::Timer* timer;
 
     void fired();
 };
-- 
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