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
|
/*
*
* 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.
*
*/
/**
* \file enums.h
*
* Qpid asynchronous store plugin library
*
* File containing definitions for namespace mrg::journal enums.
*
* \author Kim van der Riet
*/
#ifndef QPID_LEGACYSTORE_JRNL_ENUMS_H
#define QPID_LEGACYSTORE_JRNL_ENUMS_H
namespace mrg
{
namespace journal
{
// TODO: Change this to flags, as multiple of these conditions may exist simultaneously
/**
* \brief Enumeration of possilbe return states from journal read and write operations.
*/
enum _iores
{
RHM_IORES_SUCCESS = 0, ///< Success: IO operation completed noramlly.
RHM_IORES_PAGE_AIOWAIT, ///< IO operation suspended - next page is waiting for AIO.
RHM_IORES_FILE_AIOWAIT, ///< IO operation suspended - next file is waiting for AIO.
RHM_IORES_EMPTY, ///< During read operations, nothing further is available to read.
RHM_IORES_RCINVALID, ///< Read page cache is invalid (ie obsolete or uninitialized)
RHM_IORES_ENQCAPTHRESH, ///< Enqueue capacity threshold (limit) reached.
RHM_IORES_FULL, ///< During write operations, the journal files are full.
RHM_IORES_BUSY, ///< Another blocking operation is in progress.
RHM_IORES_TXPENDING, ///< Operation blocked by pending transaction.
RHM_IORES_NOTIMPL ///< Function is not yet implemented.
};
typedef _iores iores;
static inline const char* iores_str(iores res)
{
switch (res)
{
case RHM_IORES_SUCCESS: return "RHM_IORES_SUCCESS";
case RHM_IORES_PAGE_AIOWAIT: return "RHM_IORES_PAGE_AIOWAIT";
case RHM_IORES_FILE_AIOWAIT: return "RHM_IORES_FILE_AIOWAIT";
case RHM_IORES_EMPTY: return "RHM_IORES_EMPTY";
case RHM_IORES_RCINVALID: return "RHM_IORES_RCINVALID";
case RHM_IORES_ENQCAPTHRESH: return "RHM_IORES_ENQCAPTHRESH";
case RHM_IORES_FULL: return "RHM_IORES_FULL";
case RHM_IORES_BUSY: return "RHM_IORES_BUSY";
case RHM_IORES_TXPENDING: return "RHM_IORES_TXPENDING";
case RHM_IORES_NOTIMPL: return "RHM_IORES_NOTIMPL";
}
return "<iores unknown>";
}
enum _log_level
{
LOG_TRACE = 0,
LOG_DEBUG,
LOG_INFO,
LOG_NOTICE,
LOG_WARN,
LOG_ERROR,
LOG_CRITICAL
};
typedef _log_level log_level;
static inline const char* log_level_str(log_level ll)
{
switch (ll)
{
case LOG_TRACE: return "TRACE";
case LOG_DEBUG: return "DEBUG";
case LOG_INFO: return "INFO";
case LOG_NOTICE: return "NOTICE";
case LOG_WARN: return "WARN";
case LOG_ERROR: return "ERROR";
case LOG_CRITICAL: return "CRITICAL";
}
return "<log level unknown>";
}
} // namespace journal
} // namespace mrg
#endif // ifndef QPID_LEGACYSTORE_JRNL_ENUMS_H
|
