blob: 77a656aa68cd3fa0a39d7a9d89d942fd98e18df9 (
plain)
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
|
#ifndef QPID_CLUSTER_EXPIRYPOLICY_H
#define QPID_CLUSTER_EXPIRYPOLICY_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/cluster/types.h"
#include "qpid/broker/ExpiryPolicy.h"
#include "qpid/sys/Mutex.h"
#include <boost/function.hpp>
#include <boost/intrusive_ptr.hpp>
#include <boost/optional.hpp>
#include <map>
namespace qpid {
namespace broker {
class Message;
}
namespace sys {
class Timer;
}
namespace cluster {
class Multicaster;
/**
* Cluster expiry policy
*/
class ExpiryPolicy : public broker::ExpiryPolicy
{
public:
ExpiryPolicy(Multicaster&, const MemberId&, sys::Timer&);
void willExpire(broker::Message&);
bool hasExpired(broker::Message&);
void forget(broker::Message&);
// Send expiration notice to cluster.
void sendExpire(uint64_t);
// Cluster delivers expiry notice.
void deliverExpire(uint64_t);
void setId(uint64_t id);
uint64_t getId() const;
boost::optional<uint64_t> getId(broker::Message&);
private:
typedef std::map<broker::Message*, uint64_t> MessageIdMap;
// When messages are fanned out to multiple queues, update sends
// them as independenty messages so we can have multiple messages
// with the same expiry ID.
typedef std::multimap<uint64_t, broker::Message*> IdMessageMap;
struct Expired : public broker::ExpiryPolicy {
bool hasExpired(broker::Message&);
void willExpire(broker::Message&);
};
mutable sys::Mutex lock;
MessageIdMap unexpiredByMessage;
IdMessageMap unexpiredById;
uint64_t expiryId;
boost::intrusive_ptr<Expired> expiredPolicy;
Multicaster& mcast;
MemberId memberId;
sys::Timer& timer;
};
}} // namespace qpid::cluster
#endif /*!QPID_CLUSTER_EXPIRYPOLICY_H*/
|
