1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
#ifndef _broker_PersistableMessage_h
#define _broker_PersistableMessage_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 <string>
#include <list>
#include <map>
#include <boost/intrusive_ptr.hpp>
#include "qpid/broker/BrokerImportExport.h"
#include "qpid/broker/Persistable.h"
#include "qpid/framing/amqp_types.h"
#include "qpid/framing/amqp_framing.h"
#include "qpid/sys/Mutex.h"
#include "qpid/broker/PersistableQueue.h"
#include "qpid/broker/AsyncCompletion.h"
#include "qpid/broker/MessageHandle.h"
namespace qpid {
namespace types {
class Variant;
}
namespace broker {
class MessageStore;
class AsyncStore;
class Queue;
/**
* Base class for persistable messages.
*/
class PersistableMessage : public Persistable
{
/**
* "Ingress" messages == messages sent _to_ the broker.
* Tracks the number of outstanding asynchronous operations that must
* complete before an inbound message can be considered fully received by the
* broker. E.g. all enqueues have completed, the message has been written
* to store, credit has been replenished, etc. Once all outstanding
* operations have completed, the transfer of this message from the client
* may be considered complete.
*/
AsyncCompletion* ingressCompletion;
boost::intrusive_ptr<AsyncCompletion> holder;
mutable uint64_t persistenceId;
MessageHandle msgHandle;
public:
PersistableMessage();
virtual ~PersistableMessage();
void flush();
virtual QPID_BROKER_EXTERN bool isPersistent() const = 0;
/** track the progress of a message received by the broker - see ingressCompletion above */
QPID_BROKER_INLINE_EXTERN bool isIngressComplete() { return ingressCompletion->isDone(); }
QPID_BROKER_INLINE_EXTERN AsyncCompletion& getIngressCompletion() { return *ingressCompletion; }
QPID_BROKER_EXTERN void setIngressCompletion(boost::intrusive_ptr<AsyncCompletion> i);
QPID_BROKER_INLINE_EXTERN void enqueueStart() { ingressCompletion->startCompleter(); }
QPID_BROKER_INLINE_EXTERN void enqueueComplete() { ingressCompletion->finishCompleter(); }
// QPID_BROKER_EXTERN void enqueueAsync(PersistableQueue::shared_ptr queue, // deprecated
// MessageStore* _store);
QPID_BROKER_EXTERN void enqueueAsync(PersistableQueue::shared_ptr queue,
AsyncStore* _store);
QPID_BROKER_EXTERN bool isDequeueComplete();
QPID_BROKER_EXTERN void dequeueComplete();
// QPID_BROKER_EXTERN void dequeueAsync(PersistableQueue::shared_ptr queue, // deprecated
// MessageStore* _store);
QPID_BROKER_EXTERN void dequeueAsync(PersistableQueue::shared_ptr queue,
AsyncStore* _store);
uint64_t getPersistenceId() const { return persistenceId; }
void setPersistenceId(uint64_t _persistenceId) const { persistenceId = _persistenceId; }
MessageHandle& getMessageHandle() { return msgHandle; }
const MessageHandle& getMessagehandle() const { return msgHandle; }
virtual void decodeHeader(framing::Buffer& buffer) = 0;
virtual void decodeContent(framing::Buffer& buffer) = 0;
virtual uint32_t encodedHeaderSize() const = 0;
virtual boost::intrusive_ptr<PersistableMessage> merge(const std::map<std::string, qpid::types::Variant>& annotations) const = 0;
};
}}
#endif
|