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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* 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 FileHeader.cpp
*/
#include "qpid/asyncStore/jrnl2/FileHeader.h"
#include "qpid/asyncStore/jrnl2/JournalError.h"
#include <cerrno>
#include <cstring>
#include <ctime>
#include <sstream>
namespace qpid {
namespace asyncStore {
namespace jrnl2 {
FileHeader::FileHeader() :
RecordHeader(),
m_physicalFileId(0),
m_logicalFileId(0),
m_firstRecordOffset(0),
m_timestampSeconds(0),
m_timestampNanoSeconds(0),
m_reserved(0)
{}
FileHeader::FileHeader(const uint32_t magic,
const uint8_t version,
const uint64_t recordId,
const bool overwriteIndicator,
const uint16_t physicalFileId,
const uint16_t logicalFileId,
const uint64_t firstRecordOffset,
const bool setTimestampFlag) :
RecordHeader(magic, version, recordId, overwriteIndicator),
m_physicalFileId(physicalFileId),
m_logicalFileId(logicalFileId),
m_firstRecordOffset(firstRecordOffset),
m_timestampSeconds(0),
m_timestampNanoSeconds(0),
m_reserved(0)
{
if (setTimestampFlag) setTimestamp();
}
FileHeader::FileHeader(const FileHeader& fh) :
RecordHeader(fh),
m_physicalFileId(fh.m_physicalFileId),
m_logicalFileId(fh.m_logicalFileId),
m_firstRecordOffset(fh.m_firstRecordOffset),
m_timestampSeconds(fh.m_timestampSeconds),
m_timestampNanoSeconds(fh.m_timestampNanoSeconds),
m_reserved(fh.m_reserved)
{}
FileHeader::~FileHeader() {}
void
FileHeader::copy(const FileHeader& fh) {
RecordHeader::copy(fh);
m_physicalFileId = fh.m_physicalFileId;
m_logicalFileId = fh.m_logicalFileId;
m_firstRecordOffset = fh.m_firstRecordOffset;
m_timestampSeconds = fh.m_timestampSeconds;
m_timestampNanoSeconds = fh.m_timestampNanoSeconds;
m_reserved = fh.m_reserved;
}
void
FileHeader::reset() {
RecordHeader::reset();
m_physicalFileId = 0;
m_logicalFileId = 0;
m_firstRecordOffset = 0;
m_timestampSeconds = 0;
m_timestampNanoSeconds = 0;
m_reserved = 0;
}
//static
uint64_t
FileHeader::getHeaderSize() {
return sizeof(FileHeader);
}
uint64_t
FileHeader::getBodySize() const {
return 0;
}
uint64_t
FileHeader::getRecordSize() const {
return getHeaderSize();
}
void
FileHeader::setTimestamp() {
/// \todo TODO: Standardize on method for getting time that does not require a context switch.
timespec ts;
if (::clock_gettime(CLOCK_REALTIME, &ts)) {
std::ostringstream oss;
oss << FORMAT_SYSERR(errno);
throw JournalError(JournalError::JERR_RTCLOCK, oss.str(), "FileHeader", "setTimestamp");
}
setTimestamp(ts);
}
void
FileHeader::setTimestamp(const timespec& ts) {
m_timestampSeconds = static_cast<uint64_t>(ts.tv_sec);
m_timestampNanoSeconds = static_cast<uint32_t>(ts.tv_nsec);
}
}}} // namespace qpid::asyncStore::jrnl2
|
