From 149d2d80191504cada7cb46454d5a364c1131a82 Mon Sep 17 00:00:00 2001
From: Pavel Moravec <pmoravec@apache.org>
Date: Thu, 3 Jul 2014 12:56:51 +0000
Subject: [QPID-5866]: [C++ client] AMQP 1.0 closing session without closing
 receiver first marks further messages as redelivered (previous commit not
 complete)

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1607628 13f79535-47bb-0310-9956-ffa450edef68
---
 .../cpp/src/qpid/messaging/amqp/ConnectionContext.cpp | 19 ++++++++++---------
 qpid/cpp/src/qpid/messaging/amqp/ConnectionContext.h  |  1 +
 2 files changed, 11 insertions(+), 9 deletions(-)

(limited to 'qpid/cpp')

diff --git a/qpid/cpp/src/qpid/messaging/amqp/ConnectionContext.cpp b/qpid/cpp/src/qpid/messaging/amqp/ConnectionContext.cpp
index d29b2eae6f..9ed3713920 100644
--- a/qpid/cpp/src/qpid/messaging/amqp/ConnectionContext.cpp
+++ b/qpid/cpp/src/qpid/messaging/amqp/ConnectionContext.cpp
@@ -140,13 +140,9 @@ void ConnectionContext::endSession(boost::shared_ptr<SessionContext> ssn)
     qpid::sys::ScopedLock<qpid::sys::Monitor> l(lock);
     if (pn_session_state(ssn->session) & PN_REMOTE_ACTIVE) {
         //explicitly release messages that have yet to be fetched
-        for (boost::shared_ptr<ReceiverContext> lnk = ssn->nextReceiver(); lnk != boost::shared_ptr<ReceiverContext>(); lnk = ssn->nextReceiver()) {
-            for (pn_delivery_t* d = pn_link_current(lnk->receiver); d; d = pn_link_current(lnk->receiver)) {
-                pn_link_advance(lnk->receiver);
-                pn_delivery_update(d, PN_RELEASED);
-                pn_delivery_settle(d);
-            }
-	}
+        for (SessionContext::ReceiverMap::iterator i = ssn->receivers.begin(); i != ssn->receivers.end(); ++i) {
+            drain_and_release_messages(ssn, i->second);
+        }
         //wait for outstanding sends to settle
         while (!ssn->settled()) {
             QPID_LOG(debug, "Waiting for sends to settle before closing");
@@ -338,9 +334,8 @@ void ConnectionContext::detach(boost::shared_ptr<SessionContext> ssn, boost::sha
     ssn->removeSender(lnk->getName());
 }
 
-void ConnectionContext::detach(boost::shared_ptr<SessionContext> ssn, boost::shared_ptr<ReceiverContext> lnk)
+void ConnectionContext::drain_and_release_messages(boost::shared_ptr<SessionContext> ssn, boost::shared_ptr<ReceiverContext> lnk)
 {
-    qpid::sys::ScopedLock<qpid::sys::Monitor> l(lock);
     pn_link_drain(lnk->receiver, 0);
     wakeupDriver();
     //Not all implementations handle drain correctly, so limit the
@@ -356,6 +351,12 @@ void ConnectionContext::detach(boost::shared_ptr<SessionContext> ssn, boost::sha
         pn_delivery_update(d, PN_RELEASED);
         pn_delivery_settle(d);
     }
+}
+
+void ConnectionContext::detach(boost::shared_ptr<SessionContext> ssn, boost::shared_ptr<ReceiverContext> lnk)
+{
+    qpid::sys::ScopedLock<qpid::sys::Monitor> l(lock);
+    drain_and_release_messages(ssn, lnk);
     if (pn_link_state(lnk->receiver) & PN_LOCAL_ACTIVE) {
         lnk->close();
     }
diff --git a/qpid/cpp/src/qpid/messaging/amqp/ConnectionContext.h b/qpid/cpp/src/qpid/messaging/amqp/ConnectionContext.h
index 59270f445d..651cb736fd 100644
--- a/qpid/cpp/src/qpid/messaging/amqp/ConnectionContext.h
+++ b/qpid/cpp/src/qpid/messaging/amqp/ConnectionContext.h
@@ -78,6 +78,7 @@ class ConnectionContext : public qpid::sys::ConnectionCodec, public qpid::messag
     void attach(boost::shared_ptr<SessionContext>, boost::shared_ptr<ReceiverContext>);
     void detach(boost::shared_ptr<SessionContext>, boost::shared_ptr<SenderContext>);
     void detach(boost::shared_ptr<SessionContext>, boost::shared_ptr<ReceiverContext>);
+    void drain_and_release_messages(boost::shared_ptr<SessionContext>, boost::shared_ptr<ReceiverContext>);
     bool isClosed(boost::shared_ptr<SessionContext>, boost::shared_ptr<ReceiverContext>);
     void send(boost::shared_ptr<SessionContext>, boost::shared_ptr<SenderContext> ctxt, const qpid::messaging::Message& message, bool sync);
     bool fetch(boost::shared_ptr<SessionContext> ssn, boost::shared_ptr<ReceiverContext> lnk, qpid::messaging::Message& message, qpid::messaging::Duration timeout);
-- 
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