blob: b003704420249cc4ec0aac6a6e067b13b4a703ea (
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
|
#pragma once
#include <cstdint>
#include <optional>
#include <string>
#include <string_view>
// Forward declare sd_journal from systemd/sd-journal.h so that the header
// symbols don't leak
struct sd_journal;
namespace redfish
{
class JournalReadState
{
private:
JournalReadState();
public:
static std::optional<JournalReadState> openDefaults();
static std::optional<JournalReadState> openFile(const std::string& path);
// Non copyable. Movable
JournalReadState(const JournalReadState&) = delete;
JournalReadState(JournalReadState&& other) noexcept : journal(other.journal)
{
other.journal = nullptr;
}
JournalReadState& operator=(const JournalReadState&) = delete;
JournalReadState& operator=(JournalReadState&& other) noexcept
{
journal = other.journal;
other.journal = nullptr;
return *this;
}
int next() const;
int nextSkip(size_t skip) const;
int previous() const;
int seekTail() const;
int seekHead() const;
std::string getCursor() const;
int seekCursor(const std::string& cursor) const;
int testCursor(const std::string& cursor) const;
std::optional<uint64_t> getRealtimeUsec() const;
std::string getData(const char* field) const;
int getSeqnum(uint64_t& seqnum) const;
~JournalReadState();
sd_journal* journal{nullptr};
};
} // namespace redfish
|
