From 71f053b9172cfcd5b2487ca8d96356d6250b346a Mon Sep 17 00:00:00 2001
From: Gordon Sim <gsim@apache.org>
Date: Tue, 15 Jun 2010 15:34:10 +0000
Subject: QPID-2670: copy-on-write when tagging message for loop detection

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@954933 13f79535-47bb-0310-9956-ffa450edef68
---
 cpp/src/qpid/framing/FrameSet.cpp | 10 ++++++++++
 cpp/src/qpid/framing/FrameSet.h   |  1 +
 2 files changed, 11 insertions(+)

(limited to 'cpp/src/qpid/framing')

diff --git a/cpp/src/qpid/framing/FrameSet.cpp b/cpp/src/qpid/framing/FrameSet.cpp
index c03dd39458..255aaf6e6b 100644
--- a/cpp/src/qpid/framing/FrameSet.cpp
+++ b/cpp/src/qpid/framing/FrameSet.cpp
@@ -29,6 +29,16 @@ using namespace qpid::framing;
 using namespace boost;
 
 FrameSet::FrameSet(const SequenceNumber& _id) : id(_id),contentSize(0),recalculateSize(true) { }
+FrameSet::FrameSet(const FrameSet& original) : id(original.id), contentSize(0), recalculateSize(true)
+{
+    for (Frames::const_iterator i = original.begin(); i != original.end(); ++i) {
+        parts.push_back(AMQFrame(*(i->getBody())));
+        parts.back().setFirstSegment(i->isFirstSegment());
+        parts.back().setLastSegment(i->isLastSegment());
+        parts.back().setFirstFrame(i->isFirstFrame());
+        parts.back().setLastFrame(i->isLastFrame());
+    }
+}
 
 void FrameSet::append(const AMQFrame& part)
 {
diff --git a/cpp/src/qpid/framing/FrameSet.h b/cpp/src/qpid/framing/FrameSet.h
index 398a709353..cae75e5ec8 100644
--- a/cpp/src/qpid/framing/FrameSet.h
+++ b/cpp/src/qpid/framing/FrameSet.h
@@ -46,6 +46,7 @@ public:
     typedef boost::shared_ptr<FrameSet> shared_ptr;
 
     QPID_COMMON_EXTERN FrameSet(const SequenceNumber& id);
+    QPID_COMMON_EXTERN FrameSet(const FrameSet&);
     QPID_COMMON_EXTERN void append(const AMQFrame& part);
     QPID_COMMON_EXTERN bool isComplete() const;
 
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