From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 21 Apr 2024 13:54:28 +0200
Subject: Adding upstream version 18.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/rgw/driver/rados/rgw_object_expirer_core.h | 146 +++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 src/rgw/driver/rados/rgw_object_expirer_core.h

(limited to 'src/rgw/driver/rados/rgw_object_expirer_core.h')

diff --git a/src/rgw/driver/rados/rgw_object_expirer_core.h b/src/rgw/driver/rados/rgw_object_expirer_core.h
new file mode 100644
index 000000000..be63815c1
--- /dev/null
+++ b/src/rgw/driver/rados/rgw_object_expirer_core.h
@@ -0,0 +1,146 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab ft=cpp
+
+#pragma once
+
+#include <atomic>
+#include <string>
+#include <cerrno>
+#include <sstream>
+#include <iostream>
+
+#include "auth/Crypto.h"
+
+#include "common/armor.h"
+#include "common/ceph_json.h"
+#include "common/config.h"
+#include "common/ceph_argparse.h"
+#include "common/Formatter.h"
+#include "common/errno.h"
+
+#include "common/ceph_mutex.h"
+#include "common/Cond.h"
+#include "common/Thread.h"
+
+#include "global/global_init.h"
+
+#include "include/common_fwd.h"
+#include "include/utime.h"
+#include "include/str_list.h"
+
+#include "rgw_sal_rados.h"
+
+class RGWSI_RADOS;
+class RGWSI_Zone;
+class RGWBucketInfo;
+class cls_timeindex_entry;
+
+class RGWObjExpStore {
+  CephContext *cct;
+  RGWSI_RADOS *rados_svc;
+  rgw::sal::RadosStore* driver;
+public:
+  RGWObjExpStore(CephContext *_cct, RGWSI_RADOS *_rados_svc, rgw::sal::RadosStore* _driver) : cct(_cct),
+                                                                                      rados_svc(_rados_svc),
+                                                                                      driver(_driver) {}
+
+  int objexp_hint_add(const DoutPrefixProvider *dpp, 
+                      const ceph::real_time& delete_at,
+                      const std::string& tenant_name,
+                      const std::string& bucket_name,
+                      const std::string& bucket_id,
+                      const rgw_obj_index_key& obj_key);
+
+  int objexp_hint_list(const DoutPrefixProvider *dpp, 
+                       const std::string& oid,
+                       const ceph::real_time& start_time,
+                       const ceph::real_time& end_time,
+                       const int max_entries,
+                       const std::string& marker,
+                       std::list<cls_timeindex_entry>& entries, /* out */
+                       std::string *out_marker,                 /* out */
+                       bool *truncated);                   /* out */
+
+  int objexp_hint_trim(const DoutPrefixProvider *dpp, 
+                       const std::string& oid,
+                       const ceph::real_time& start_time,
+                       const ceph::real_time& end_time,
+                       const std::string& from_marker,
+                       const std::string& to_marker);
+};
+
+class RGWObjectExpirer {
+protected:
+  rgw::sal::Driver* driver;
+  RGWObjExpStore exp_store;
+
+  class OEWorker : public Thread, public DoutPrefixProvider {
+    CephContext *cct;
+    RGWObjectExpirer *oe;
+    ceph::mutex lock = ceph::make_mutex("OEWorker");
+    ceph::condition_variable cond;
+
+  public:
+    OEWorker(CephContext * const cct,
+             RGWObjectExpirer * const oe)
+      : cct(cct),
+        oe(oe) {
+    }
+
+    void *entry() override;
+    void stop();
+
+    CephContext *get_cct() const override;
+    unsigned get_subsys() const override;
+    std::ostream& gen_prefix(std::ostream& out) const override;
+  };
+
+  OEWorker *worker{nullptr};
+  std::atomic<bool> down_flag = { false };
+
+public:
+  explicit RGWObjectExpirer(rgw::sal::Driver* _driver)
+    : driver(_driver),
+      exp_store(_driver->ctx(), static_cast<rgw::sal::RadosStore*>(driver)->svc()->rados, static_cast<rgw::sal::RadosStore*>(driver)),
+      worker(NULL) {
+  }
+  ~RGWObjectExpirer() {
+    stop_processor();
+  }
+
+  int hint_add(const DoutPrefixProvider *dpp, 
+               const ceph::real_time& delete_at,
+               const std::string& tenant_name,
+               const std::string& bucket_name,
+               const std::string& bucket_id,
+               const rgw_obj_index_key& obj_key) {
+    return exp_store.objexp_hint_add(dpp, delete_at, tenant_name, bucket_name,
+                                     bucket_id, obj_key);
+  }
+
+  int garbage_single_object(const DoutPrefixProvider *dpp, objexp_hint_entry& hint);
+
+  void garbage_chunk(const DoutPrefixProvider *dpp, 
+                     std::list<cls_timeindex_entry>& entries, /* in  */
+                     bool& need_trim);                        /* out */
+
+  void trim_chunk(const DoutPrefixProvider *dpp, 
+                  const std::string& shard,
+                  const utime_t& from,
+                  const utime_t& to,
+                  const std::string& from_marker,
+                  const std::string& to_marker);
+
+  bool process_single_shard(const DoutPrefixProvider *dpp, 
+                            const std::string& shard,
+                            const utime_t& last_run,
+                            const utime_t& round_start);
+
+  bool inspect_all_shards(const DoutPrefixProvider *dpp, 
+                          const utime_t& last_run,
+                          const utime_t& round_start);
+
+  bool going_down();
+  void start_processor();
+  void stop_processor();
+};
-- 
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