From 53a0c88af1f7afd3a0827f8ca586450a0456c40b Mon Sep 17 00:00:00 2001
From: Gordon Sim <gsim@apache.org>
Date: Thu, 3 Mar 2011 12:45:25 +0000
Subject: QPID-3107: If queue's alternate-exchange can't route message, try
 that exchange's alternate-exchange

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1076604 13f79535-47bb-0310-9956-ffa450edef68
---
 qpid/cpp/src/qpid/broker/DeliveryRecord.cpp | 2 +-
 qpid/cpp/src/qpid/broker/Exchange.cpp       | 9 +++++++++
 qpid/cpp/src/qpid/broker/Exchange.h         | 2 ++
 qpid/cpp/src/qpid/broker/Queue.cpp          | 3 +--
 4 files changed, 13 insertions(+), 3 deletions(-)

(limited to 'qpid/cpp/src')

diff --git a/qpid/cpp/src/qpid/broker/DeliveryRecord.cpp b/qpid/cpp/src/qpid/broker/DeliveryRecord.cpp
index 64760bea36..58dcc6d7c7 100644
--- a/qpid/cpp/src/qpid/broker/DeliveryRecord.cpp
+++ b/qpid/cpp/src/qpid/broker/DeliveryRecord.cpp
@@ -135,7 +135,7 @@ void DeliveryRecord::reject()
         Exchange::shared_ptr alternate = queue->getAlternateExchange();
         if (alternate) {
             DeliverableMessage delivery(msg.payload);
-            alternate->route(delivery, msg.payload->getRoutingKey(), msg.payload->getApplicationHeaders());
+            alternate->routeWithAlternate(delivery);
             QPID_LOG(info, "Routed rejected message from " << queue->getName() << " to "
                      << alternate->getName());
         } else {
diff --git a/qpid/cpp/src/qpid/broker/Exchange.cpp b/qpid/cpp/src/qpid/broker/Exchange.cpp
index d143471559..2c7589e4b6 100644
--- a/qpid/cpp/src/qpid/broker/Exchange.cpp
+++ b/qpid/cpp/src/qpid/broker/Exchange.cpp
@@ -342,3 +342,12 @@ bool Exchange::MatchQueue::operator()(Exchange::Binding::shared_ptr b)
 void Exchange::setProperties(const boost::intrusive_ptr<Message>& msg) {
     msg->getProperties<DeliveryProperties>()->setExchange(getName());
 }
+
+bool Exchange::routeWithAlternate(Deliverable& msg)
+{
+    route(msg, msg.getMessage().getRoutingKey(), msg.getMessage().getApplicationHeaders());
+    if (!msg.delivered && alternate) {
+        alternate->route(msg, msg.getMessage().getRoutingKey(), msg.getMessage().getApplicationHeaders());
+    }
+    return msg.delivered;
+}
diff --git a/qpid/cpp/src/qpid/broker/Exchange.h b/qpid/cpp/src/qpid/broker/Exchange.h
index 3c8b5ca2cd..9c4e6be192 100644
--- a/qpid/cpp/src/qpid/broker/Exchange.h
+++ b/qpid/cpp/src/qpid/broker/Exchange.h
@@ -222,6 +222,8 @@ public:
      */
     void recoveryComplete(ExchangeRegistry& exchanges);
 
+    bool routeWithAlternate(Deliverable& message);
+
 protected:
     qpid::sys::Mutex bridgeLock;
     std::vector<DynamicBridge*> bridgeVector;
diff --git a/qpid/cpp/src/qpid/broker/Queue.cpp b/qpid/cpp/src/qpid/broker/Queue.cpp
index edae8dc24f..29b3c0d585 100644
--- a/qpid/cpp/src/qpid/broker/Queue.cpp
+++ b/qpid/cpp/src/qpid/broker/Queue.cpp
@@ -834,8 +834,7 @@ void Queue::destroyed()
         Mutex::ScopedLock locker(messageLock);
         while(!messages->empty()){
             DeliverableMessage msg(messages->front().payload);
-            alternateExchange->route(msg, msg.getMessage().getRoutingKey(),
-                                     msg.getMessage().getApplicationHeaders());
+            alternateExchange->routeWithAlternate(msg);
             popAndDequeue();
         }
         alternateExchange->decAlternateUsers();
-- 
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