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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 | #ifndef CEPH_COMMON_CMDPARSE_H | |
4 | #define CEPH_COMMON_CMDPARSE_H | |
5 | ||
6 | #include <string> | |
7 | #include <sstream> | |
8 | #include <map> | |
9 | #include <boost/variant.hpp> | |
10 | #include <vector> | |
11 | #include <stdexcept> | |
12 | #include "common/Formatter.h" | |
13 | #include "common/BackTrace.h" | |
14 | ||
15 | class CephContext; | |
16 | ||
17 | /* this is handy; can't believe it's not standard */ | |
18 | #define ARRAY_SIZE(a) (sizeof(a) / sizeof(*a)) | |
19 | ||
20 | typedef boost::variant<std::string, | |
21 | bool, | |
22 | int64_t, | |
23 | double, | |
24 | std::vector<std::string>, | |
25 | std::vector<int64_t>> cmd_vartype; | |
26 | typedef std::map<std::string, cmd_vartype> cmdmap_t; | |
27 | ||
28 | std::string cmddesc_get_prefix(const std::string &cmddesc); | |
29 | void dump_cmd_to_json(ceph::Formatter *f, const std::string& cmd); | |
30 | void dump_cmd_and_help_to_json(ceph::Formatter *f, | |
31 | const std::string& secname, | |
32 | const std::string& cmd, | |
33 | const std::string& helptext); | |
34 | void dump_cmddesc_to_json(ceph::Formatter *jf, | |
35 | const std::string& secname, | |
36 | const std::string& cmdsig, | |
37 | const std::string& helptext, | |
38 | const std::string& module, | |
39 | const std::string& perm, | |
40 | const std::string& avail, | |
41 | uint64_t flags); | |
42 | bool cmdmap_from_json(std::vector<std::string> cmd, cmdmap_t *mapp, | |
43 | std::stringstream &ss); | |
44 | void cmdmap_dump(const cmdmap_t &cmdmap, ceph::Formatter *f); | |
45 | void handle_bad_get(CephContext *cct, std::string k, const char *name); | |
46 | ||
47 | std::string cmd_vartype_stringify(const cmd_vartype& v); | |
48 | ||
49 | template <typename T> | |
50 | bool | |
51 | cmd_getval(CephContext *cct, const cmdmap_t& cmdmap, std::string k, T& val) | |
52 | { | |
53 | if (cmdmap.count(k)) { | |
54 | try { | |
55 | val = boost::get<T>(cmdmap.find(k)->second); | |
56 | return true; | |
57 | } catch (boost::bad_get) { | |
58 | handle_bad_get(cct, k, typeid(T).name()); | |
59 | } | |
60 | } | |
61 | return false; | |
62 | } | |
63 | ||
64 | // with default | |
65 | ||
66 | template <typename T> | |
67 | void | |
68 | cmd_getval(CephContext *cct, cmdmap_t& cmdmap, std::string k, T& val, T defval) | |
69 | { | |
70 | if (!cmd_getval(cct, cmdmap, k, val)) | |
71 | val = defval; | |
72 | } | |
73 | ||
74 | template <typename T> | |
75 | void | |
76 | cmd_putval(CephContext *cct, cmdmap_t& cmdmap, std::string k, T val) | |
77 | { | |
78 | cmdmap[k] = val; | |
79 | } | |
80 | #endif |