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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 | ||
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6 | #include <vector> |
7 | #include <stdexcept> | |
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8 | #include <ostream> |
9 | #include <boost/variant.hpp> | |
10 | #include "include/assert.h" // boost clobbers this | |
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11 | #include "common/Formatter.h" |
12 | #include "common/BackTrace.h" | |
13 | ||
14 | class CephContext; | |
15 | ||
16 | /* this is handy; can't believe it's not standard */ | |
17 | #define ARRAY_SIZE(a) (sizeof(a) / sizeof(*a)) | |
18 | ||
19 | typedef boost::variant<std::string, | |
20 | bool, | |
21 | int64_t, | |
22 | double, | |
23 | std::vector<std::string>, | |
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24 | std::vector<int64_t>, |
25 | std::vector<double>> cmd_vartype; | |
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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); | |
31f18b77 | 45 | void handle_bad_get(CephContext *cct, const std::string& k, const char *name); |
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46 | |
47 | std::string cmd_vartype_stringify(const cmd_vartype& v); | |
48 | ||
49 | template <typename T> | |
50 | bool | |
31f18b77 | 51 | cmd_getval(CephContext *cct, const cmdmap_t& cmdmap, const std::string& k, T& val) |
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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 | |
31f18b77 | 68 | cmd_getval(CephContext *cct, const cmdmap_t& cmdmap, const std::string& k, T& val, const T& defval) |
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69 | { |
70 | if (!cmd_getval(cct, cmdmap, k, val)) | |
71 | val = defval; | |
72 | } | |
73 | ||
74 | template <typename T> | |
75 | void | |
31f18b77 | 76 | cmd_putval(CephContext *cct, cmdmap_t& cmdmap, const std::string& k, const T& val) |
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77 | { |
78 | cmdmap[k] = val; | |
79 | } | |
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80 | |
81 | extern int parse_osd_id(const char *s, std::ostream *pss); | |
82 | extern long parse_pos_long(const char *s, std::ostream *pss = NULL); | |
83 | ||
7c673cae | 84 | #endif |