From 0efcf2c5c91f4927ccc00ad1cf391c2f964cc2e1 Mon Sep 17 00:00:00 2001
From: Alan Conway <aconway@apache.org>
Date: Wed, 27 Jun 2007 21:19:14 +0000
Subject: 	* src/qpid/framing/ChannelAdapter.cpp: Use handler chains 
 for in and outbound frames.

	* src/qpid/framing/InputHandler.h, OutputHandler.h, FrameHandler.h:
	All handlers pass AMQFrame& and have consistent memory management.
	Terminal OutputHandlers used to take ownership and delete frame, now
	they make a shallow copy instead.

	* src/qpid/framing/Handler.h, FrameHandler.h: Simplified.

	* src/qpid/client/ClientConnection.cpp:
	* src/qpid/broker/Connection.cpp:
	* src/qpid/broker/BrokerChannel.cpp:
	   Update for ChannelAdapter changes.


git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@551336 13f79535-47bb-0310-9956-ffa450edef68
---
 cpp/src/qpid/framing/ChannelAdapter.cpp | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

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

diff --git a/cpp/src/qpid/framing/ChannelAdapter.cpp b/cpp/src/qpid/framing/ChannelAdapter.cpp
index 48a200c4e1..4ee834b561 100644
--- a/cpp/src/qpid/framing/ChannelAdapter.cpp
+++ b/cpp/src/qpid/framing/ChannelAdapter.cpp
@@ -19,6 +19,7 @@
 
 #include "ChannelAdapter.h"
 #include "AMQFrame.h"
+#include "FrameHandler.h"
 #include "qpid/Exception.h"
 
 using boost::format;
@@ -26,13 +27,21 @@ using boost::format;
 namespace qpid {
 namespace framing {
 
-void ChannelAdapter::init(
-    ChannelId i, OutputHandler& o, ProtocolVersion v)
+/** Framehandler that feeds into the channel. */
+struct ChannelAdapter::ChannelAdapterHandler : public FrameHandler {
+    ChannelAdapterHandler(ChannelAdapter& channel_) : channel(channel_) {}
+    void handle(AMQFrame& frame) { channel.handleBody(frame.getBody()); }
+    ChannelAdapter& channel;
+};
+
+void ChannelAdapter::init(ChannelId i, OutputHandler& out, ProtocolVersion v)
 {
     assertChannelNotOpen();
     id = i;
-    out = &o;
     version = v;
+
+    handlers.in = make_shared_ptr(new ChannelAdapterHandler(*this));
+    handlers.out= make_shared_ptr(new OutputHandlerFrameHandler(out));
 }
 
 RequestId ChannelAdapter::send(
@@ -58,7 +67,8 @@ RequestId ChannelAdapter::send(
       }
         // No action required for other body types.
     }
-    out->send(new AMQFrame(getVersion(), getId(), body));
+    AMQFrame frame(getVersion(), getId(), body);
+    handlers.out->handle(frame);
     return requestId;
 }
 
-- 
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