From cce6eaa238a2bb4d64ccb4450d6f39320fe5434c Mon Sep 17 00:00:00 2001
From: Alan Conway <aconway@apache.org>
Date: Tue, 13 Nov 2007 21:33:16 +0000
Subject: Stopped frameset from assembling messages piecewise. Roughly halves
 allocations on the broker, not much effect on client.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@594647 13f79535-47bb-0310-9956-ffa450edef68
---
 cpp/src/qpid/framing/FrameSet.cpp     | 16 +++++++++-------
 cpp/src/qpid/framing/TypeFilter.h     | 33 ++++++++++++++++-----------------
 cpp/src/qpid/framing/frame_functors.h |  8 --------
 3 files changed, 25 insertions(+), 32 deletions(-)

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

diff --git a/cpp/src/qpid/framing/FrameSet.cpp b/cpp/src/qpid/framing/FrameSet.cpp
index b361076ee7..9d9b7bc8f8 100644
--- a/cpp/src/qpid/framing/FrameSet.cpp
+++ b/cpp/src/qpid/framing/FrameSet.cpp
@@ -64,18 +64,20 @@ AMQHeaderBody* FrameSet::getHeaders()
 uint64_t FrameSet::getContentSize() const
 {
     SumBodySize sum;
-    map_if(sum, TypeFilter(CONTENT_BODY));
+    map_if(sum, TypeFilter<CONTENT_BODY>());
     return sum.getSize();
 }
 
-void FrameSet::getContent(std::string& out) const
-{
-    AccumulateContent accumulator(out);
-    map_if(accumulator, TypeFilter(CONTENT_BODY));
+void FrameSet::getContent(std::string& out) const {
+    out.clear();
+    out.reserve(getContentSize());
+    for(Frames::const_iterator i = parts.begin(); i != parts.end(); i++) {
+        if (i->getBody()->type() == CONTENT_BODY)
+            out += i->castBody<AMQContentBody>()->getData();
+    }
 }
 
-std::string FrameSet::getContent() const
-{
+std::string FrameSet::getContent() const {
     std::string out;
     getContent(out);
     return out;
diff --git a/cpp/src/qpid/framing/TypeFilter.h b/cpp/src/qpid/framing/TypeFilter.h
index 3a607190fd..d1c42de583 100644
--- a/cpp/src/qpid/framing/TypeFilter.h
+++ b/cpp/src/qpid/framing/TypeFilter.h
@@ -1,3 +1,6 @@
+#ifndef QPID_FRAMING_TYPEFILTER_H
+#define QPID_FRAMING_TYPEFILTER_H
+
 /*
  *
  * Licensed to the Apache Software Foundation (ASF) under one
@@ -23,30 +26,26 @@
 #include "qpid/framing/AMQFrame.h"
 #include "qpid/framing/FrameHandler.h"
 
-#ifndef _TypeFilter_
-#define _TypeFilter_
-
 namespace qpid {
 namespace framing {
 
 /**
  * Predicate that selects frames by type
  */
-class TypeFilter
-{
-    std::vector<uint8_t> types;
-public:
-    TypeFilter(uint8_t type) { add(type); }
-    TypeFilter(uint8_t type1, uint8_t type2) { add(type1); add(type2); }
-    void add(uint8_t type) { types.push_back(type); }
-    bool operator()(const AMQFrame& f) const 
-    { 
-        return find(types.begin(), types.end(), f.getBody()->type()) != types.end(); 
-    } 
+template <uint8_t Type>
+struct TypeFilter {
+    bool operator()(const AMQFrame& f) const {
+        return f.getBody()->type() == Type;
+    }
 };
 
-}
-}
+template <uint8_t T1, uint8_t T2>
+struct TypeFilter2 {
+    bool operator()(const AMQFrame& f) const {
+        return f.getBody()->type() == T1 || f.getBody()->type() == T2;
+    }
+};
 
+}} // namespace qpid::framing
 
-#endif
+#endif  /*!QPID_FRAMING_TYPEFILTER_H*/
diff --git a/cpp/src/qpid/framing/frame_functors.h b/cpp/src/qpid/framing/frame_functors.h
index 992d389faf..d915a270c2 100644
--- a/cpp/src/qpid/framing/frame_functors.h
+++ b/cpp/src/qpid/framing/frame_functors.h
@@ -74,14 +74,6 @@ public:
     void operator()(const AMQFrame& f) { f.getBody()->encode(buffer); }
 };
 
-class AccumulateContent
-{
-    std::string& content;
-public:
-    AccumulateContent(std::string& c) : content(c) {}
-    void operator()(const AMQFrame& f) { content += f.castBody<AMQContentBody>()->getData(); }
-};
-
 /**
  * Sends a copy of the frame its applied to to the specified handler
  */
-- 
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