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-rw-r--r--src/rgw/rgw_gc.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/rgw/rgw_gc.h b/src/rgw/rgw_gc.h
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+++ b/src/rgw/rgw_gc.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab ft=cpp
+
+#ifndef CEPH_RGW_GC_H
+#define CEPH_RGW_GC_H
+
+
+#include "include/types.h"
+#include "include/rados/librados.hpp"
+#include "common/ceph_mutex.h"
+#include "common/Cond.h"
+#include "common/Thread.h"
+#include "rgw_common.h"
+#include "rgw_sal.h"
+#include "rgw_rados.h"
+#include "cls/rgw/cls_rgw_types.h"
+
+#include <atomic>
+
+class RGWGCIOManager;
+
+class RGWGC : public DoutPrefixProvider {
+ CephContext *cct;
+ RGWRados *store;
+ int max_objs;
+ string *obj_names;
+ std::atomic<bool> down_flag = { false };
+
+ static constexpr uint64_t seed = 8675309;
+
+ int tag_index(const string& tag);
+ int send_chain(const cls_rgw_obj_chain& chain, const std::string& tag);
+
+ class GCWorker : public Thread {
+ const DoutPrefixProvider *dpp;
+ CephContext *cct;
+ RGWGC *gc;
+ ceph::mutex lock = ceph::make_mutex("GCWorker");
+ ceph::condition_variable cond;
+
+ public:
+ GCWorker(const DoutPrefixProvider *_dpp, CephContext *_cct, RGWGC *_gc) : dpp(_dpp), cct(_cct), gc(_gc) {}
+ void *entry() override;
+ void stop();
+ };
+
+ GCWorker *worker;
+public:
+ RGWGC() : cct(NULL), store(NULL), max_objs(0), obj_names(NULL), worker(NULL) {}
+ ~RGWGC() {
+ stop_processor();
+ finalize();
+ }
+ vector<bool> transitioned_objects_cache;
+ std::tuple<int, std::optional<cls_rgw_obj_chain>> send_split_chain(const cls_rgw_obj_chain& chain, const std::string& tag);
+
+ // asynchronously defer garbage collection on an object that's still being read
+ int async_defer_chain(const string& tag, const cls_rgw_obj_chain& info);
+
+ // callback for when async_defer_chain() fails with ECANCELED
+ void on_defer_canceled(const cls_rgw_gc_obj_info& info);
+
+ int remove(int index, const std::vector<string>& tags, librados::AioCompletion **pc);
+ int remove(int index, int num_entries);
+
+ void initialize(CephContext *_cct, RGWRados *_store);
+ void finalize();
+
+ int list(int *index, string& marker, uint32_t max, bool expired_only, std::list<cls_rgw_gc_obj_info>& result, bool *truncated, bool& processing_queue);
+ void list_init(int *index) { *index = 0; }
+ int process(int index, int process_max_secs, bool expired_only,
+ RGWGCIOManager& io_manager);
+ int process(bool expired_only);
+
+ bool going_down();
+ void start_processor();
+ void stop_processor();
+
+ CephContext *get_cct() const override { return store->ctx(); }
+ unsigned get_subsys() const;
+
+ std::ostream& gen_prefix(std::ostream& out) const;
+
+};
+
+
+#endif