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
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
#include "config_values.h"
#include "config.h"
#if WITH_SEASTAR
#include "crimson/common/log.h"
#endif
ConfigValues::set_value_result_t
ConfigValues::set_value(const std::string_view key,
Option::value_t&& new_value,
int level)
{
if (auto p = values.find(key); p != values.end()) {
auto q = p->second.find(level);
if (q != p->second.end()) {
if (new_value == q->second) {
return SET_NO_CHANGE;
}
q->second = std::move(new_value);
} else {
p->second[level] = std::move(new_value);
}
if (p->second.rbegin()->first > level) {
// there was a higher priority value; no effect
return SET_NO_EFFECT;
} else {
return SET_HAVE_EFFECT;
}
} else {
values[key][level] = std::move(new_value);
return SET_HAVE_EFFECT;
}
}
int ConfigValues::rm_val(const std::string_view key, int level)
{
auto i = values.find(key);
if (i == values.end()) {
return -ENOENT;
}
auto j = i->second.find(level);
if (j == i->second.end()) {
return -ENOENT;
}
bool matters = (j->first == i->second.rbegin()->first);
i->second.erase(j);
if (matters) {
return SET_HAVE_EFFECT;
} else {
return SET_NO_EFFECT;
}
}
std::pair<Option::value_t, bool>
ConfigValues::get_value(const std::string_view name, int level) const
{
auto p = values.find(name);
if (p != values.end() && !p->second.empty()) {
// use highest-priority value available (see CONF_*)
if (level < 0) {
return {p->second.rbegin()->second, true};
} else if (auto found = p->second.find(level);
found != p->second.end()) {
return {found->second, true};
}
}
return {Option::value_t{}, false};
}
void ConfigValues::set_logging(int which, const char* val)
{
int log, gather;
int r = sscanf(val, "%d/%d", &log, &gather);
if (r >= 1) {
if (r < 2) {
gather = log;
}
subsys.set_log_level(which, log);
subsys.set_gather_level(which, gather);
#if WITH_SEASTAR
crimson::get_logger(which).set_level(crimson::to_log_level(log));
#endif
}
}
bool ConfigValues::contains(const std::string_view key) const
{
return values.count(key);
}
|