Updated message.transfer encoding to use header and content segments (including new structs).

Unified more between the basic and message classes messages.



git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@570538 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 83 insertions, 0 deletions

diff --git a/cpp/src/qpid/framing/FrameSet.cpp b/cpp/src/qpid/framing/FrameSet.cpp
new file mode 100644
index 0000000000..434f1b3aad
--- /dev/null
+++ b/cpp/src/qpid/framing/FrameSet.cpp
@@ -0,0 +1,83 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+#include "FrameSet.h"
+#include "qpid/framing/all_method_bodies.h"
+#include "qpid/framing/frame_functors.h"
+#include "qpid/framing/BasicHeaderProperties.h"
+#include "qpid/framing/MessageProperties.h"
+#include "qpid/framing/TypeFilter.h"
+
+using namespace qpid::framing;
+using namespace boost;
+
+FrameSet::FrameSet(const SequenceNumber& _id) : id(_id) {}
+
+void FrameSet::append(AMQFrame& part)
+{
+    parts.push_back(part);
+}
+
+bool FrameSet::isComplete() const
+{
+    //TODO: should eventually use the 0-10 frame header flags when available
+    const AMQMethodBody* method = getMethod();
+    if (!method) {
+        return false;
+    } else if (method->isContentBearing()) {
+        const AMQHeaderBody* header = getHeaders();
+        if (header) {
+            return header->getContentLength() == getContentSize();
+        } else {
+            return false;
+        }
+    } else {
+        return true;        
+    }
+}
+
+const AMQMethodBody* FrameSet::getMethod() const
+{
+    return parts.empty() ? 0 : dynamic_cast<const AMQMethodBody*>(parts[0].getBody());
+}
+
+const AMQHeaderBody* FrameSet::getHeaders() const
+{
+    return parts.size() < 2 ? 0 : dynamic_cast<const AMQHeaderBody*>(parts[1].getBody());
+}
+
+AMQHeaderBody* FrameSet::getHeaders()
+{
+    return parts.size() < 2 ? 0 : dynamic_cast<AMQHeaderBody*>(parts[1].getBody());
+}
+
+uint64_t FrameSet::getContentSize() const
+{
+    SumBodySize sum;
+    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));
+}