1 files changed, 90 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/amqp_0_10/FrameHeader.h b/qpid/cpp/src/qpid/amqp_0_10/FrameHeader.h
new file mode 100644
index 0000000000..b2f0619f9b
--- /dev/null
+++ b/qpid/cpp/src/qpid/amqp_0_10/FrameHeader.h
@@ -0,0 +1,90 @@
+#ifndef QPID_AMQP_0_10_FRAMEHEADER_H
+#define QPID_AMQP_0_10_FRAMEHEADER_H
+
+/*
+ *
+ * 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/amqp_0_10/built_in_types.h"
+#include <boost/shared_array.hpp>
+#include <string.h>
+#include <assert.h>
+#include <iosfwd>
+
+namespace qpid {
+namespace amqp_0_10 {
+
+enum FrameFlags { FIRST_SEGMENT=8, LAST_SEGMENT=4, FIRST_FRAME=2, LAST_FRAME=1 };
+
+class FrameHeader {
+  public:
+    static const size_t SIZE=12;
+    static uint8_t trackFor(SegmentType type) { return type == 0 ? 0 : 1; }
+    
+    FrameHeader(uint8_t flags_=0, SegmentType type_=SegmentType(), uint16_t size_=0, uint8_t track_=0, uint16_t channel_=0)
+        : flags(flags_), type(type_), size(size_), track(track_), channel(channel_)
+    {}
+
+    uint8_t getFlags() const { return flags; }
+    SegmentType getType() const { return type; }
+    /** @return size total size of of frame, including frame header. */
+    uint16_t getSize() const { return size; }
+    /** @return size of frame data, excluding frame header. */
+    uint16_t getDataSize() const { return size - SIZE; }
+    uint8_t getTrack() const { return track; }
+    uint16_t getChannel() const { return channel; }
+
+    void setFlags(uint8_t flags_) { flags=flags_; }
+    /** Also sets the track. There is no setTrack() */
+    void setType(SegmentType type_)  { type=type_; track=trackFor(type); }
+    /** @param size total size of of frame, including frame header. */
+    void setSize(uint16_t size_) { size = size_; }
+    /** @param size size of frame data, excluding frame header. */
+    void setDataSize(uint16_t size_) { size = size_+SIZE; }
+    void setChannel(uint8_t channel_) { channel=channel_; }
+
+    bool allFlags(uint8_t f) const { return (flags & f) == f; }
+    bool anyFlags(uint8_t f) const { return (flags & f); }
+
+    void raiseFlags(uint8_t f) { flags |= f; }
+    void clearFlags(uint8_t f) { flags &= ~f; }
+
+    bool isComplete() const { return allFlags(FIRST_FRAME | LAST_FRAME); }
+
+    bool operator==(const FrameHeader&) const;
+
+    template <class S> void serialize(S& s) {
+        uint8_t pad8=0; uint32_t pad32=0;
+        s(flags)(type)(size)(pad8)(track)(channel)(pad32);
+    }
+
+  private:
+    uint8_t flags;
+    SegmentType type;
+    uint16_t size;
+    uint8_t track;
+    uint16_t channel;
+};
+
+std::ostream& operator<<(std::ostream&, const FrameHeader&);
+
+}} // namespace qpid::amqp_0_10
+
+#endif  /*!QPID_AMQP_0_10_FRAMEHEADER_H*/