1 files changed, 139 insertions, 0 deletions
diff --git a/cpp/src/framing/AMQFrame.cpp b/cpp/src/framing/AMQFrame.cpp
new file mode 100644
index 0000000000..8b79286107
--- /dev/null
+++ b/cpp/src/framing/AMQFrame.cpp
@@ -0,0 +1,139 @@
+
+/*
+ *
+ * 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 <boost/format.hpp>
+
+#include "AMQFrame.h"
+#include "../QpidError.h"
+#include "AMQRequestBody.h"
+#include "AMQResponseBody.h"
+
+
+namespace qpid {
+namespace framing {
+
+
+AMQP_MethodVersionMap AMQFrame::versionMap;
+
+AMQFrame::AMQFrame(ProtocolVersion _version):
+version(_version)
+ {
+     assert(version != ProtocolVersion(0,0));
+ }
+
+AMQFrame::AMQFrame(ProtocolVersion _version, uint16_t _channel, AMQBody* _body) :
+version(_version), channel(_channel), body(_body)
+{}
+
+AMQFrame::AMQFrame(ProtocolVersion _version, uint16_t _channel, const AMQBody::shared_ptr& _body) :
+version(_version), channel(_channel), body(_body)
+{}
+
+AMQFrame::~AMQFrame() {}
+
+uint16_t AMQFrame::getChannel(){
+    return channel;
+}
+
+AMQBody::shared_ptr AMQFrame::getBody(){
+    return body;
+}
+
+void AMQFrame::encode(Buffer& buffer)
+{
+    buffer.putOctet(body->type());
+    buffer.putShort(channel);    
+    buffer.putLong(body->size());
+    body->encode(buffer);
+    buffer.putOctet(0xCE);
+}
+
+uint32_t AMQFrame::size() const{
+    assert(body.get());
+    return 1/*type*/ + 2/*channel*/ + 4/*body size*/ + body->size()
+        + 1/*0xCE*/;
+}
+
+bool AMQFrame::decode(Buffer& buffer)
+{    
+    if(buffer.available() < 7)
+        return false;
+    buffer.record();
+    uint32_t frameSize = decodeHead(buffer);
+    if(buffer.available() < frameSize + 1){
+        buffer.restore();
+        return false;
+    }
+    decodeBody(buffer, frameSize);
+    uint8_t end = buffer.getOctet();
+    if(end != 0xCE) THROW_QPID_ERROR(FRAMING_ERROR, "Frame end not found");
+    return true;
+}
+
+uint32_t AMQFrame::decodeHead(Buffer& buffer){    
+    type = buffer.getOctet();
+    channel = buffer.getShort();
+    return buffer.getLong();
+}
+
+void AMQFrame::decodeBody(Buffer& buffer, uint32_t size)
+{    
+    switch(type)
+    {
+      case METHOD_BODY:
+        body = AMQMethodBody::create(versionMap, version, buffer);
+        break;
+      case REQUEST_BODY:
+        body = AMQRequestBody::create(versionMap, version, buffer);
+        break;
+      case RESPONSE_BODY:
+        body = AMQResponseBody::create(versionMap, version, buffer);
+        break;
+      case HEADER_BODY: 
+	body = AMQBody::shared_ptr(new AMQHeaderBody()); 
+	break;
+      case CONTENT_BODY: 
+	body = AMQBody::shared_ptr(new AMQContentBody()); 
+	break;
+      case HEARTBEAT_BODY: 
+	body = AMQBody::shared_ptr(new AMQHeartbeatBody()); 
+	break;
+      default:
+	THROW_QPID_ERROR(
+            FRAMING_ERROR,
+            boost::format("Unknown frame type %d") % type);
+    }
+    body->decode(buffer, size);
+}
+
+std::ostream& operator<<(std::ostream& out, const AMQFrame& t)
+{
+    out << "Frame[channel=" << t.channel << "; ";
+    if (t.body.get() == 0)
+        out << "empty";
+    else
+        out << *t.body;
+    out << "]";
+    return out;
+}
+
+
+}} // namespace qpid::framing