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#ifndef _broker_Message_h
#define _broker_Message_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/broker/BrokerImportExport.h"
#include "qpid/sys/Time.h"
#include "qpid/types/Variant.h"
//TODO: move the following out of framing or replace it
#include "qpid/framing/SequenceNumber.h"
#include <string>
#include <vector>
#include "qpid/RefCounted.h"
#include <boost/intrusive_ptr.hpp>
#include "qpid/broker/ExpiryPolicy.h"
#include "qpid/broker/PersistableMessage.h"
namespace qpid {
namespace broker {
class ConnectionToken;
class MapHandler;
enum MessageState
{
AVAILABLE=1,
ACQUIRED=2,
DELETED=4,
UNAVAILABLE=8
};
class Message {
public:
class Encoding : public AsyncCompletion
{
public:
virtual ~Encoding() {}
virtual std::string getRoutingKey() const = 0;
virtual bool isPersistent() const = 0;
virtual uint8_t getPriority() const = 0;
virtual uint64_t getContentSize() const = 0;
virtual std::string getPropertyAsString(const std::string& key) const = 0;
virtual std::string getAnnotationAsString(const std::string& key) const = 0;
virtual bool getTtl(uint64_t&) const = 0;
virtual std::string getContent() const = 0;
virtual void processProperties(MapHandler&) const = 0;
virtual std::string getUserId() const = 0;
};
QPID_BROKER_EXTERN Message(boost::intrusive_ptr<Encoding>, boost::intrusive_ptr<PersistableMessage>);
QPID_BROKER_EXTERN Message();
QPID_BROKER_EXTERN ~Message();
bool isRedelivered() const { return deliveryCount > 1; }
void deliver() { ++deliveryCount; }
void undeliver() { --deliveryCount; }
int getDeliveryCount() const { return deliveryCount; }
void resetDeliveryCount() { deliveryCount = 0; }
const ConnectionToken* getPublisher() const { return publisher; }
void setPublisher(ConnectionToken* p) { publisher = p; }
QPID_BROKER_EXTERN std::string getRoutingKey() const;
QPID_BROKER_EXTERN bool isPersistent() const;
/** determine msg expiration time using the TTL value if present */
QPID_BROKER_EXTERN void computeExpiration(const boost::intrusive_ptr<ExpiryPolicy>& e);
void setExpiryPolicy(const boost::intrusive_ptr<ExpiryPolicy>& e);
bool hasExpired() const;
sys::AbsTime getExpiration() const { return expiration; }
void setExpiration(sys::AbsTime exp) { expiration = exp; }
uint64_t getTtl() const;
bool getTtl(uint64_t) const;
/** set the timestamp delivery property to the current time-of-day */
QPID_BROKER_EXTERN void setTimestamp();
QPID_BROKER_EXTERN uint64_t getTimestamp() const;
QPID_BROKER_EXTERN void addAnnotation(const std::string& key, const qpid::types::Variant& value);
QPID_BROKER_EXTERN bool isExcluded(const std::vector<std::string>& excludes) const;
QPID_BROKER_EXTERN void addTraceId(const std::string& id);
QPID_BROKER_EXTERN void clearTrace();
QPID_BROKER_EXTERN uint8_t getPriority() const;
QPID_BROKER_EXTERN std::string getPropertyAsString(const std::string& key) const;
QPID_BROKER_EXTERN qpid::types::Variant getProperty(const std::string& key) const;
void processProperties(MapHandler&) const;
QPID_BROKER_EXTERN uint64_t getContentSize() const;
Encoding& getEncoding();
const Encoding& getEncoding() const;
QPID_BROKER_EXTERN operator bool() const;
bool getIsManagementMessage() const;
void setIsManagementMessage(bool b);
QPID_BROKER_EXTERN qpid::framing::SequenceNumber getSequence() const;
QPID_BROKER_EXTERN void setSequence(const qpid::framing::SequenceNumber&);
MessageState getState() const;
void setState(MessageState);
QPID_BROKER_EXTERN qpid::types::Variant getAnnotation(const std::string& key) const;
QPID_BROKER_EXTERN const qpid::types::Variant::Map& getAnnotations() const;
std::string getUserId() const;
QPID_BROKER_EXTERN std::string getContent() const;//Used for ha, management, when content needs to be decoded
QPID_BROKER_EXTERN boost::intrusive_ptr<AsyncCompletion> getIngressCompletion() const;
QPID_BROKER_EXTERN boost::intrusive_ptr<PersistableMessage> getPersistentContext() const;
private:
boost::intrusive_ptr<Encoding> encoding;
boost::intrusive_ptr<PersistableMessage> persistentContext;
int deliveryCount;
ConnectionToken* publisher;
qpid::sys::AbsTime expiration;
boost::intrusive_ptr<ExpiryPolicy> expiryPolicy;
uint64_t timestamp;
qpid::types::Variant::Map annotations;
bool isManagementMessage;
MessageState state;
qpid::framing::SequenceNumber sequence;
void annotationsChanged();
};
QPID_BROKER_EXTERN void encode(const Message&, std::string&);
QPID_BROKER_EXTERN void decode(const std::string&, Message&);
}}
#endif
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