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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | #include "config_values.h" | |
3 | ||
4 | #include "config.h" | |
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5 | #if WITH_SEASTAR |
6 | #include "crimson/common/log.h" | |
7 | #endif | |
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8 | |
9 | ConfigValues::set_value_result_t | |
9f95a23c | 10 | ConfigValues::set_value(const std::string_view key, |
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11 | Option::value_t&& new_value, |
12 | int level) | |
13 | { | |
14 | if (auto p = values.find(key); p != values.end()) { | |
15 | auto q = p->second.find(level); | |
16 | if (q != p->second.end()) { | |
17 | if (new_value == q->second) { | |
18 | return SET_NO_CHANGE; | |
19 | } | |
20 | q->second = std::move(new_value); | |
21 | } else { | |
22 | p->second[level] = std::move(new_value); | |
23 | } | |
24 | if (p->second.rbegin()->first > level) { | |
25 | // there was a higher priority value; no effect | |
26 | return SET_NO_EFFECT; | |
27 | } else { | |
28 | return SET_HAVE_EFFECT; | |
29 | } | |
30 | } else { | |
31 | values[key][level] = std::move(new_value); | |
32 | return SET_HAVE_EFFECT; | |
33 | } | |
34 | } | |
35 | ||
9f95a23c | 36 | int ConfigValues::rm_val(const std::string_view key, int level) |
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37 | { |
38 | auto i = values.find(key); | |
39 | if (i == values.end()) { | |
40 | return -ENOENT; | |
41 | } | |
42 | auto j = i->second.find(level); | |
43 | if (j == i->second.end()) { | |
44 | return -ENOENT; | |
45 | } | |
46 | bool matters = (j->first == i->second.rbegin()->first); | |
47 | i->second.erase(j); | |
48 | if (matters) { | |
49 | return SET_HAVE_EFFECT; | |
50 | } else { | |
51 | return SET_NO_EFFECT; | |
52 | } | |
53 | } | |
54 | ||
55 | std::pair<Option::value_t, bool> | |
9f95a23c | 56 | ConfigValues::get_value(const std::string_view name, int level) const |
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57 | { |
58 | auto p = values.find(name); | |
59 | if (p != values.end() && !p->second.empty()) { | |
60 | // use highest-priority value available (see CONF_*) | |
61 | if (level < 0) { | |
62 | return {p->second.rbegin()->second, true}; | |
63 | } else if (auto found = p->second.find(level); | |
64 | found != p->second.end()) { | |
65 | return {found->second, true}; | |
66 | } | |
67 | } | |
68 | return {Option::value_t{}, false}; | |
69 | } | |
70 | ||
71 | void ConfigValues::set_logging(int which, const char* val) | |
72 | { | |
73 | int log, gather; | |
74 | int r = sscanf(val, "%d/%d", &log, &gather); | |
75 | if (r >= 1) { | |
76 | if (r < 2) { | |
77 | gather = log; | |
78 | } | |
79 | subsys.set_log_level(which, log); | |
80 | subsys.set_gather_level(which, gather); | |
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81 | #if WITH_SEASTAR |
82 | crimson::get_logger(which).set_level(crimson::to_log_level(log)); | |
83 | #endif | |
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84 | } |
85 | } | |
86 | ||
9f95a23c | 87 | bool ConfigValues::contains(const std::string_view key) const |
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88 | { |
89 | return values.count(key); | |
90 | } |