1 files changed, 116 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/framing/AMQFrame.h b/qpid/cpp/src/qpid/framing/AMQFrame.h
new file mode 100644
index 0000000000..19675ce6ff
--- /dev/null
+++ b/qpid/cpp/src/qpid/framing/AMQFrame.h
@@ -0,0 +1,116 @@
+#ifndef _AMQFrame_
+#define _AMQFrame_
+
+/*
+ *
+ * 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 "qpid/framing/AMQDataBlock.h"
+#include "qpid/framing/AMQHeaderBody.h"
+#include "qpid/framing/AMQContentBody.h"
+#include "qpid/framing/AMQHeartbeatBody.h"
+#include "qpid/framing/ProtocolVersion.h"
+#include <boost/intrusive_ptr.hpp>
+#include <boost/cast.hpp>
+#include "qpid/CommonImportExport.h"
+
+namespace qpid {
+namespace framing {
+
+class QPID_COMMON_CLASS_EXTERN AMQFrame : public AMQDataBlock
+{
+  public:
+    QPID_COMMON_EXTERN AMQFrame(const boost::intrusive_ptr<AMQBody>& b=0);
+    QPID_COMMON_EXTERN AMQFrame(const AMQBody& b);
+    QPID_COMMON_EXTERN ~AMQFrame();
+
+    ChannelId getChannel() const { return channel; }
+    void setChannel(ChannelId c) { channel = c; }
+
+    AMQBody* getBody() const { return body.get(); }
+
+    AMQMethodBody* getMethod() { return getBody() ? getBody()->getMethod() : 0; }
+    const AMQMethodBody* getMethod() const { return getBody() ? getBody()->getMethod() : 0; }
+
+    void setMethod(ClassId c, MethodId m);
+
+    template <class T> T* castBody() {
+        return boost::polymorphic_downcast<T*>(getBody());
+    }
+
+    template <class T> const T* castBody() const {
+        return boost::polymorphic_downcast<const T*>(getBody());
+    }
+
+    /**
+     * Take a deep copy of the body currently referenced
+     */
+    QPID_COMMON_EXTERN void cloneBody();
+
+    QPID_COMMON_EXTERN void encode(Buffer& buffer) const; 
+    QPID_COMMON_EXTERN bool decode(Buffer& buffer); 
+    QPID_COMMON_EXTERN uint32_t encodedSize() const;
+
+    // 0-10 terminology: first/last frame (in segment) first/last segment (in assembly)
+
+    bool isFirstSegment() const { return bof; }
+    bool isLastSegment() const { return eof; }
+    bool isFirstFrame() const { return bos; }
+    bool isLastFrame() const { return eos; }
+
+    void setFirstSegment(bool set=true) { bof = set; }
+    void setLastSegment(bool set=true) { eof = set; }
+    void setFirstFrame(bool set=true) { bos = set; }
+    void setLastFrame(bool set=true) { eos = set; }
+
+    // 0-9 terminology: beginning/end of frameset, beginning/end of segment.
+
+    bool getBof() const { return bof; }
+    void setBof(bool isBof) { bof = isBof; }
+    bool getEof() const { return eof; }
+    void setEof(bool isEof) { eof = isEof; }
+
+    bool getBos() const { return bos; }
+    void setBos(bool isBos) { bos = isBos; }
+    bool getEos() const { return eos; }
+    void setEos(bool isEos) { eos = isEos; }
+
+    static uint16_t DECODE_SIZE_MIN;
+    QPID_COMMON_EXTERN static uint32_t frameOverhead();
+    /** Must point to at least DECODE_SIZE_MIN bytes of data */
+    static uint16_t decodeSize(char* data);
+
+  private:
+    void init();
+
+    boost::intrusive_ptr<AMQBody> body;
+    uint16_t channel : 16;
+    uint8_t subchannel : 8;
+    bool bof : 1;
+    bool eof : 1;
+    bool bos : 1;
+    bool eos : 1;
+};
+
+QPID_COMMON_EXTERN std::ostream& operator<<(std::ostream&, const AMQFrame&);
+
+}} // namespace qpid::framing
+
+
+#endif