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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 ft=cpp | |
3 | ||
4 | #pragma once | |
5 | ||
6 | ||
7 | #include "rgw/rgw_service.h" | |
8 | ||
9 | #include "svc_rados.h" | |
10 | #include "svc_sys_obj_types.h" | |
11 | ||
12 | ||
13 | ||
14 | struct RGWSI_SysObj_Core_GetObjState : public RGWSI_SysObj_Obj_GetObjState { | |
15 | RGWSI_RADOS::Obj rados_obj; | |
16 | bool has_rados_obj{false}; | |
17 | uint64_t last_ver{0}; | |
18 | ||
19 | RGWSI_SysObj_Core_GetObjState() {} | |
20 | ||
21 | int get_rados_obj(RGWSI_RADOS *rados_svc, | |
22 | RGWSI_Zone *zone_svc, | |
23 | const rgw_raw_obj& obj, | |
24 | RGWSI_RADOS::Obj **pobj); | |
25 | }; | |
26 | ||
27 | struct RGWSI_SysObj_Core_PoolListImplInfo : public RGWSI_SysObj_Pool_ListInfo { | |
28 | RGWSI_RADOS::Pool pool; | |
29 | RGWSI_RADOS::Pool::List op; | |
30 | RGWAccessListFilterPrefix filter; | |
31 | ||
32 | RGWSI_SysObj_Core_PoolListImplInfo(const string& prefix) : op(pool.op()), filter(prefix) {} | |
33 | }; | |
34 | ||
35 | struct RGWSysObjState { | |
36 | rgw_raw_obj obj; | |
37 | bool has_attrs{false}; | |
38 | bool exists{false}; | |
39 | uint64_t size{0}; | |
40 | ceph::real_time mtime; | |
41 | uint64_t epoch{0}; | |
42 | bufferlist obj_tag; | |
43 | bool has_data{false}; | |
44 | bufferlist data; | |
45 | bool prefetch_data{false}; | |
46 | uint64_t pg_ver{0}; | |
47 | ||
48 | /* important! don't forget to update copy constructor */ | |
49 | ||
50 | RGWObjVersionTracker objv_tracker; | |
51 | ||
52 | map<string, bufferlist> attrset; | |
53 | RGWSysObjState() {} | |
54 | RGWSysObjState(const RGWSysObjState& rhs) : obj (rhs.obj) { | |
55 | has_attrs = rhs.has_attrs; | |
56 | exists = rhs.exists; | |
57 | size = rhs.size; | |
58 | mtime = rhs.mtime; | |
59 | epoch = rhs.epoch; | |
60 | if (rhs.obj_tag.length()) { | |
61 | obj_tag = rhs.obj_tag; | |
62 | } | |
63 | has_data = rhs.has_data; | |
64 | if (rhs.data.length()) { | |
65 | data = rhs.data; | |
66 | } | |
67 | prefetch_data = rhs.prefetch_data; | |
68 | pg_ver = rhs.pg_ver; | |
69 | objv_tracker = rhs.objv_tracker; | |
70 | } | |
71 | }; | |
72 | ||
73 | ||
74 | class RGWSysObjectCtxBase { | |
75 | std::map<rgw_raw_obj, RGWSysObjState> objs_state; | |
76 | ceph::shared_mutex lock = ceph::make_shared_mutex("RGWSysObjectCtxBase"); | |
77 | ||
78 | public: | |
79 | RGWSysObjectCtxBase() = default; | |
80 | ||
81 | RGWSysObjectCtxBase(const RGWSysObjectCtxBase& rhs) : objs_state(rhs.objs_state) {} | |
82 | RGWSysObjectCtxBase(RGWSysObjectCtxBase&& rhs) : objs_state(std::move(rhs.objs_state)) {} | |
83 | ||
84 | RGWSysObjState *get_state(const rgw_raw_obj& obj) { | |
85 | RGWSysObjState *result; | |
86 | std::map<rgw_raw_obj, RGWSysObjState>::iterator iter; | |
87 | lock.lock_shared(); | |
88 | assert (!obj.empty()); | |
89 | iter = objs_state.find(obj); | |
90 | if (iter != objs_state.end()) { | |
91 | result = &iter->second; | |
92 | lock.unlock_shared(); | |
93 | } else { | |
94 | lock.unlock_shared(); | |
95 | lock.lock(); | |
96 | result = &objs_state[obj]; | |
97 | lock.unlock(); | |
98 | } | |
99 | return result; | |
100 | } | |
101 | ||
102 | void set_prefetch_data(rgw_raw_obj& obj) { | |
103 | std::unique_lock wl{lock}; | |
104 | assert (!obj.empty()); | |
105 | objs_state[obj].prefetch_data = true; | |
106 | } | |
107 | void invalidate(const rgw_raw_obj& obj) { | |
108 | std::unique_lock wl{lock}; | |
109 | auto iter = objs_state.find(obj); | |
110 | if (iter == objs_state.end()) { | |
111 | return; | |
112 | } | |
113 | objs_state.erase(iter); | |
114 | } | |
115 | }; | |
116 |