1 files changed, 87 insertions, 0 deletions
diff --git a/src/rgw/rgw_gc.h b/src/rgw/rgw_gc.h
new file mode 100644
index 000000000..13d9ba64a
--- /dev/null
+++ b/src/rgw/rgw_gc.h
@@ -0,0 +1,87 @@
+// -*- 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