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7c673cae FG |
1 | #ifndef CEPH_RGW_SYNC_MODULE_H |
2 | #define CEPH_RGW_SYNC_MODULE_H | |
3 | ||
4 | #include "rgw_common.h" | |
5 | #include "rgw_coroutine.h" | |
6 | ||
7 | class RGWBucketInfo; | |
8 | class RGWRemoteDataLog; | |
9 | struct RGWDataSyncEnv; | |
10 | struct rgw_bucket_entry_owner; | |
11 | struct rgw_obj_key; | |
12 | ||
13 | ||
14 | class RGWDataSyncModule { | |
15 | public: | |
16 | RGWDataSyncModule() {} | |
17 | virtual ~RGWDataSyncModule() {} | |
18 | ||
31f18b77 FG |
19 | virtual void init(RGWDataSyncEnv *sync_env, uint64_t instance_id) {} |
20 | ||
21 | virtual RGWCoroutine *init_sync(RGWDataSyncEnv *sync_env) { | |
22 | return nullptr; | |
23 | } | |
24 | ||
25 | virtual RGWCoroutine *sync_object(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key, uint64_t versioned_epoch, rgw_zone_set *zones_trace) = 0; | |
7c673cae | 26 | virtual RGWCoroutine *remove_object(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key, real_time& mtime, |
31f18b77 | 27 | bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) = 0; |
7c673cae | 28 | virtual RGWCoroutine *create_delete_marker(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key, real_time& mtime, |
31f18b77 | 29 | rgw_bucket_entry_owner& owner, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) = 0; |
7c673cae FG |
30 | }; |
31 | ||
31f18b77 FG |
32 | class RGWRESTMgr; |
33 | ||
7c673cae FG |
34 | class RGWSyncModuleInstance { |
35 | public: | |
36 | RGWSyncModuleInstance() {} | |
37 | virtual ~RGWSyncModuleInstance() {} | |
38 | virtual RGWDataSyncModule *get_data_handler() = 0; | |
31f18b77 FG |
39 | virtual RGWRESTMgr *get_rest_filter(int dialect, RGWRESTMgr *orig) { |
40 | return orig; | |
41 | } | |
7c673cae FG |
42 | }; |
43 | ||
44 | typedef std::shared_ptr<RGWSyncModuleInstance> RGWSyncModuleInstanceRef; | |
45 | ||
46 | class RGWSyncModule { | |
47 | ||
48 | public: | |
49 | RGWSyncModule() {} | |
50 | virtual ~RGWSyncModule() {} | |
51 | ||
52 | virtual bool supports_data_export() = 0; | |
31f18b77 | 53 | virtual int create_instance(CephContext *cct, map<string, string, ltstr_nocase>& config, RGWSyncModuleInstanceRef *instance) = 0; |
7c673cae FG |
54 | }; |
55 | ||
56 | typedef std::shared_ptr<RGWSyncModule> RGWSyncModuleRef; | |
57 | ||
58 | ||
59 | class RGWSyncModulesManager { | |
60 | Mutex lock; | |
61 | ||
62 | map<string, RGWSyncModuleRef> modules; | |
63 | public: | |
64 | RGWSyncModulesManager() : lock("RGWSyncModulesManager") {} | |
65 | ||
66 | void register_module(const string& name, RGWSyncModuleRef& module, bool is_default = false) { | |
67 | Mutex::Locker l(lock); | |
68 | modules[name] = module; | |
69 | if (is_default) { | |
70 | modules[string()] = module; | |
71 | } | |
72 | } | |
73 | ||
74 | bool get_module(const string& name, RGWSyncModuleRef *module) { | |
75 | Mutex::Locker l(lock); | |
76 | auto iter = modules.find(name); | |
77 | if (iter == modules.end()) { | |
78 | return false; | |
79 | } | |
80 | *module = iter->second; | |
81 | return true; | |
82 | } | |
83 | ||
84 | ||
85 | int supports_data_export(const string& name) { | |
86 | RGWSyncModuleRef module; | |
87 | if (!get_module(name, &module)) { | |
88 | return -ENOENT; | |
89 | } | |
90 | ||
91 | return module.get()->supports_data_export(); | |
92 | } | |
93 | ||
31f18b77 | 94 | int create_instance(CephContext *cct, const string& name, map<string, string, ltstr_nocase>& config, RGWSyncModuleInstanceRef *instance) { |
7c673cae FG |
95 | RGWSyncModuleRef module; |
96 | if (!get_module(name, &module)) { | |
97 | return -ENOENT; | |
98 | } | |
99 | ||
100 | return module.get()->create_instance(cct, config, instance); | |
101 | } | |
102 | }; | |
103 | ||
104 | class RGWStatRemoteObjCBCR : public RGWCoroutine { | |
105 | protected: | |
106 | RGWDataSyncEnv *sync_env; | |
107 | ||
108 | RGWBucketInfo bucket_info; | |
109 | rgw_obj_key key; | |
110 | ||
111 | ceph::real_time mtime; | |
112 | uint64_t size; | |
113 | map<string, bufferlist> attrs; | |
114 | public: | |
115 | RGWStatRemoteObjCBCR(RGWDataSyncEnv *_sync_env, | |
116 | RGWBucketInfo& _bucket_info, rgw_obj_key& _key); | |
117 | ~RGWStatRemoteObjCBCR() override {} | |
118 | ||
119 | void set_result(ceph::real_time& _mtime, | |
120 | uint64_t _size, | |
121 | map<string, bufferlist>&& _attrs) { | |
122 | mtime = _mtime; | |
123 | size = _size; | |
124 | attrs = std::move(_attrs); | |
125 | } | |
126 | }; | |
127 | ||
128 | class RGWCallStatRemoteObjCR : public RGWCoroutine { | |
129 | ceph::real_time mtime; | |
130 | uint64_t size{0}; | |
131 | map<string, bufferlist> attrs; | |
132 | ||
133 | protected: | |
134 | RGWDataSyncEnv *sync_env; | |
135 | ||
136 | RGWBucketInfo bucket_info; | |
137 | rgw_obj_key key; | |
138 | ||
139 | public: | |
140 | RGWCallStatRemoteObjCR(RGWDataSyncEnv *_sync_env, | |
141 | RGWBucketInfo& _bucket_info, rgw_obj_key& _key); | |
142 | ||
143 | ~RGWCallStatRemoteObjCR() override {} | |
144 | ||
145 | int operate() override; | |
146 | ||
147 | virtual RGWStatRemoteObjCBCR *allocate_callback() { | |
148 | return nullptr; | |
149 | } | |
150 | }; | |
151 | ||
152 | void rgw_register_sync_modules(RGWSyncModulesManager *modules_manager); | |
153 | ||
154 | #endif |