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f67539c2 TL |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
7c673cae FG |
4 | #include <errno.h> |
5 | ||
31f18b77 | 6 | #include "cls/version/cls_version_client.h" |
7c673cae FG |
7 | #include "include/rados/librados.hpp" |
8 | ||
9 | ||
10 | using namespace librados; | |
11 | ||
12 | ||
13 | void cls_version_set(librados::ObjectWriteOperation& op, obj_version& objv) | |
14 | { | |
15 | bufferlist in; | |
16 | cls_version_set_op call; | |
17 | call.objv = objv; | |
11fdf7f2 | 18 | encode(call, in); |
7c673cae FG |
19 | op.exec("version", "set", in); |
20 | } | |
21 | ||
22 | void cls_version_inc(librados::ObjectWriteOperation& op) | |
23 | { | |
24 | bufferlist in; | |
25 | cls_version_inc_op call; | |
11fdf7f2 | 26 | encode(call, in); |
7c673cae FG |
27 | op.exec("version", "inc", in); |
28 | } | |
29 | ||
30 | void cls_version_inc(librados::ObjectWriteOperation& op, obj_version& objv, VersionCond cond) | |
31 | { | |
32 | bufferlist in; | |
33 | cls_version_inc_op call; | |
34 | call.objv = objv; | |
f67539c2 | 35 | |
7c673cae FG |
36 | obj_version_cond c; |
37 | c.cond = cond; | |
38 | c.ver = objv; | |
39 | ||
40 | call.conds.push_back(c); | |
41 | ||
11fdf7f2 | 42 | encode(call, in); |
7c673cae FG |
43 | op.exec("version", "inc_conds", in); |
44 | } | |
45 | ||
46 | void cls_version_check(librados::ObjectOperation& op, obj_version& objv, VersionCond cond) | |
47 | { | |
48 | bufferlist in; | |
49 | cls_version_check_op call; | |
50 | call.objv = objv; | |
51 | ||
52 | obj_version_cond c; | |
53 | c.cond = cond; | |
54 | c.ver = objv; | |
55 | ||
56 | call.conds.push_back(c); | |
57 | ||
11fdf7f2 | 58 | encode(call, in); |
7c673cae FG |
59 | op.exec("version", "check_conds", in); |
60 | } | |
61 | ||
62 | class VersionReadCtx : public ObjectOperationCompletion { | |
63 | obj_version *objv; | |
64 | public: | |
65 | explicit VersionReadCtx(obj_version *_objv) : objv(_objv) {} | |
66 | void handle_completion(int r, bufferlist& outbl) override { | |
67 | if (r >= 0) { | |
68 | cls_version_read_ret ret; | |
69 | try { | |
11fdf7f2 TL |
70 | auto iter = outbl.cbegin(); |
71 | decode(ret, iter); | |
7c673cae | 72 | *objv = ret.objv; |
f67539c2 | 73 | } catch (ceph::buffer::error& err) { |
7c673cae FG |
74 | // nothing we can do about it atm |
75 | } | |
76 | } | |
77 | } | |
78 | }; | |
79 | ||
80 | void cls_version_read(librados::ObjectReadOperation& op, obj_version *objv) | |
81 | { | |
82 | bufferlist inbl; | |
83 | op.exec("version", "read", inbl, new VersionReadCtx(objv)); | |
84 | } | |
85 | ||
f67539c2 | 86 | int cls_version_read(librados::IoCtx& io_ctx, std::string& oid, obj_version *ver) |
7c673cae FG |
87 | { |
88 | bufferlist in, out; | |
89 | int r = io_ctx.exec(oid, "version", "read", in, out); | |
90 | if (r < 0) | |
91 | return r; | |
92 | ||
93 | cls_version_read_ret ret; | |
94 | try { | |
11fdf7f2 TL |
95 | auto iter = out.cbegin(); |
96 | decode(ret, iter); | |
f67539c2 | 97 | } catch (ceph::buffer::error& err) { |
7c673cae FG |
98 | return -EIO; |
99 | } | |
100 | ||
101 | *ver = ret.objv; | |
102 | ||
103 | return r; | |
104 | } |