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authorRafael H. Schloming <rhs@apache.org>2006-09-19 22:06:50 +0000
committerRafael H. Schloming <rhs@apache.org>2006-09-19 22:06:50 +0000
commit913489deb2ee9dbf44455de5f407ddaf4bd8c540 (patch)
tree7ea442d6867d0076f1c9ea4f4265664059e7aff5 /cpp/common/framing/src/AMQFrame.cpp
downloadqpid-python-913489deb2ee9dbf44455de5f407ddaf4bd8c540.tar.gz
Import of qpid from etp:
URL: https://etp.108.redhat.com/svn/etp/trunk/blaze Repository Root: https://etp.108.redhat.com/svn/etp Repository UUID: 06e15bec-b515-0410-bef0-cc27a458cf48 Revision: 608 git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@447994 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'cpp/common/framing/src/AMQFrame.cpp')
-rw-r--r--cpp/common/framing/src/AMQFrame.cpp147
1 files changed, 147 insertions, 0 deletions
diff --git a/cpp/common/framing/src/AMQFrame.cpp b/cpp/common/framing/src/AMQFrame.cpp
new file mode 100644
index 0000000000..70f71010ff
--- /dev/null
+++ b/cpp/common/framing/src/AMQFrame.cpp
@@ -0,0 +1,147 @@
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * Licensed 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 "AMQFrame.h"
+#include "QpidError.h"
+
+using namespace qpid::framing;
+
+AMQFrame::AMQFrame(){}
+
+AMQFrame::AMQFrame(u_int16_t _channel, AMQBody* _body) : channel(_channel), body(_body){}
+
+AMQFrame::AMQFrame(u_int16_t _channel, AMQBody::shared_ptr& _body) : channel(_channel), body(_body){}
+
+AMQFrame::~AMQFrame(){
+}
+
+u_int16_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);
+}
+
+AMQBody::shared_ptr createMethodBody(Buffer& buffer){
+ u_int16_t classId = buffer.getShort();
+ u_int16_t methodId = buffer.getShort();
+ AMQBody::shared_ptr body(createAMQMethodBody(classId, methodId));
+ return body;
+}
+
+u_int32_t AMQFrame::size() const{
+ if(!body.get()) THROW_QPID_ERROR(INTERNAL_ERROR, "Attempt to get size of frame with no body set!");
+ 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();
+ u_int8_t type = buffer.getOctet();
+ channel = buffer.getShort();
+ u_int32_t size = buffer.getLong();
+ if(buffer.available() < size + 1){
+ buffer.restore();
+ return false;
+ }
+ switch(type)
+ {
+ case METHOD_BODY:
+ body = createMethodBody(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:
+ string msg("Unknown body type: ");
+ msg += type;
+ THROW_QPID_ERROR(FRAMING_ERROR, msg);
+ }
+ body->decode(buffer, size);
+ u_int8_t end = buffer.getOctet();
+ if(end != 0xCE) THROW_QPID_ERROR(FRAMING_ERROR, "Frame end not found");
+ return true;
+}
+
+u_int32_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 = createMethodBody(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:
+ string msg("Unknown body type: ");
+ msg += type;
+ THROW_QPID_ERROR(FRAMING_ERROR, msg);
+ }
+ body->decode(buffer, size);
+}
+
+std::ostream& qpid::framing::operator<<(std::ostream& out, const AMQFrame& t){
+ out << "Frame[channel=" << t.channel << "; ";
+ if(t.body.get() == 0){
+ out << "empty";
+ }else if(t.body->type() == METHOD_BODY){
+ (dynamic_cast<AMQMethodBody*>(t.body.get()))->print(out);
+ }else if(t.body->type() == HEADER_BODY){
+ out << "header, content_size=" <<
+ (dynamic_cast<AMQHeaderBody*>(t.body.get()))->getContentSize()
+ << " (" << t.body->size() << " bytes)";
+ }else if(t.body->type() == CONTENT_BODY){
+ out << "content (" << t.body->size() << " bytes)";
+ }else if(t.body->type() == HEARTBEAT_BODY){
+ out << "heartbeat";
+ }else{
+ out << "unknown type, " << t.body->type();
+ }
+ out << "]";
+ return out;
+}
+