blob: b496fe0dc2f2ddf4b0a135436efd2eb67d039e48 (
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
|
#ifndef QPID_CLUSTER_STORESTATE_H
#define QPID_CLUSTER_STORESTATE_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/framing/Uuid.h"
#include "qpid/framing/SequenceNumber.h"
#include "qpid/framing/enum.h"
#include <iosfwd>
namespace qpid {
namespace cluster {
/**
* State of the store for cluster purposes.
*/
class StoreStatus
{
public:
typedef framing::Uuid Uuid;
typedef framing::cluster::StoreState StoreState;
StoreStatus(const std::string& dir);
framing::cluster::StoreState getState() const { return state; }
bool isClean() { return state == framing::cluster::STORE_STATE_CLEAN_STORE; }
bool isDirty() { return state == framing::cluster::STORE_STATE_DIRTY_STORE; }
const Uuid& getClusterId() const { return clusterId; }
const Uuid& getShutdownId() const { return shutdownId; }
framing::SequenceNumber getConfigSeq() const { return configSeq; }
void dirty(const Uuid& clusterId); // Mark the store in use by clusterId.
void clean(const Uuid& shutdownId); // Mark the store clean at shutdownId
void setConfigSeq(framing::SequenceNumber seq); // Update the config seq number.
void load();
void save();
bool hasStore() const;
private:
framing::cluster::StoreState state;
Uuid clusterId, shutdownId;
std::string dataDir;
framing::SequenceNumber configSeq;
};
const char* stateName(framing::cluster::StoreState);
std::ostream& operator<<(std::ostream&, framing::cluster::StoreState);
std::ostream& operator<<(std::ostream&, const StoreStatus&);
}} // namespace qpid::cluster
#endif /*!QPID_CLUSTER_STORESTATE_H*/
|
