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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2012 Inktank Storage, Inc. | |
7 | * Copyright (C) 2014 Red Hat <contact@redhat.com> | |
8 | * | |
9 | * This is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License version 2.1, as published by the Free Software | |
12 | * Foundation. See file COPYING. | |
13 | */ | |
14 | #ifndef CEPH_UTIL_H | |
15 | #define CEPH_UTIL_H | |
16 | ||
17 | #include "common/Formatter.h" | |
18 | #include "include/types.h" | |
19 | ||
181888fb FG |
20 | std::string bytes2str(uint64_t count); |
21 | ||
7c673cae FG |
22 | struct ceph_data_stats |
23 | { | |
24 | uint64_t byte_total; | |
25 | uint64_t byte_used; | |
26 | uint64_t byte_avail; | |
27 | int avail_percent; | |
28 | ||
29 | ceph_data_stats() : | |
30 | byte_total(0), | |
31 | byte_used(0), | |
32 | byte_avail(0), | |
33 | avail_percent(0) | |
34 | { } | |
35 | ||
36 | void dump(Formatter *f) const { | |
11fdf7f2 | 37 | ceph_assert(f != NULL); |
7c673cae FG |
38 | f->dump_int("total", byte_total); |
39 | f->dump_int("used", byte_used); | |
40 | f->dump_int("avail", byte_avail); | |
41 | f->dump_int("avail_percent", avail_percent); | |
42 | } | |
43 | ||
44 | void encode(bufferlist &bl) const { | |
45 | ENCODE_START(1, 1, bl); | |
11fdf7f2 TL |
46 | encode(byte_total, bl); |
47 | encode(byte_used, bl); | |
48 | encode(byte_avail, bl); | |
49 | encode(avail_percent, bl); | |
7c673cae FG |
50 | ENCODE_FINISH(bl); |
51 | } | |
52 | ||
11fdf7f2 | 53 | void decode(bufferlist::const_iterator &p) { |
7c673cae | 54 | DECODE_START(1, p); |
11fdf7f2 TL |
55 | decode(byte_total, p); |
56 | decode(byte_used, p); | |
57 | decode(byte_avail, p); | |
58 | decode(avail_percent, p); | |
7c673cae FG |
59 | DECODE_FINISH(p); |
60 | } | |
61 | ||
62 | static void generate_test_instances(list<ceph_data_stats*>& ls) { | |
63 | ls.push_back(new ceph_data_stats); | |
64 | ls.push_back(new ceph_data_stats); | |
65 | ls.back()->byte_total = 1024*1024; | |
66 | ls.back()->byte_used = 512*1024; | |
67 | ls.back()->byte_avail = 512*1024; | |
68 | ls.back()->avail_percent = 50; | |
69 | } | |
70 | }; | |
71 | typedef struct ceph_data_stats ceph_data_stats_t; | |
72 | WRITE_CLASS_ENCODER(ceph_data_stats) | |
73 | ||
74 | int get_fs_stats(ceph_data_stats_t &stats, const char *path); | |
75 | ||
11fdf7f2 TL |
76 | /// get memory limit for the current cgroup |
77 | int get_cgroup_memory_limit(uint64_t *limit); | |
78 | ||
7c673cae FG |
79 | /// collect info from @p uname(2), @p /proc/meminfo and @p /proc/cpuinfo |
80 | void collect_sys_info(map<string, string> *m, CephContext *cct); | |
81 | ||
82 | /// dump service ids grouped by their host to the specified formatter | |
83 | /// @param f formatter for the output | |
84 | /// @param services a map from hostname to a list of service id hosted by this host | |
85 | /// @param type the service type of given @p services, for example @p osd or @p mon. | |
86 | void dump_services(Formatter* f, const map<string, list<int> >& services, const char* type); | |
11fdf7f2 TL |
87 | /// dump service names grouped by their host to the specified formatter |
88 | /// @param f formatter for the output | |
89 | /// @param services a map from hostname to a list of service name hosted by this host | |
90 | /// @param type the service type of given @p services, for example @p osd or @p mon. | |
91 | void dump_services(Formatter* f, const map<string, list<string> >& services, const char* type); | |
7c673cae FG |
92 | |
93 | string cleanbin(bufferlist &bl, bool &b64); | |
94 | string cleanbin(string &str); | |
11fdf7f2 TL |
95 | |
96 | namespace ceph::util { | |
97 | ||
98 | // Returns true if s matches any parameters: | |
99 | template <typename ...XS> | |
100 | bool match_str(const std::string& s, const XS& ...xs) | |
101 | { | |
102 | return ((s == xs) || ...); | |
103 | } | |
104 | ||
105 | } // namespace ceph::util | |
7c673cae | 106 | #endif /* CEPH_UTIL_H */ |