ceph/src/rgw/rgw_sync_module_log.cc

   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 #include "rgw_common.h"
   5 #include "rgw_coroutine.h"
   6 #include "rgw_cr_rados.h"
   7 #include "rgw_sync_module.h"
   8 #include "rgw_data_sync.h"
   9 #include "rgw_sync_module_log.h"
  10
  11 #define dout_subsys ceph_subsys_rgw
  12
  13 using namespace std;
  14
  15 class RGWLogStatRemoteObjCBCR : public RGWStatRemoteObjCBCR {
  16 public:
  17   RGWLogStatRemoteObjCBCR(RGWDataSyncCtx *_sc,
  18                           rgw_bucket& _src_bucket, rgw_obj_key& _key) : RGWStatRemoteObjCBCR(_sc, _src_bucket, _key) {}
  19   int operate(const DoutPrefixProvider *dpp) override {
  20     ldpp_dout(dpp, 0) << "SYNC_LOG: stat of remote obj: z=" << sc->source_zone
  21                             << " b=" << src_bucket << " k=" << key << " size=" << size << " mtime=" << mtime
  22                             << " attrs=" << attrs << dendl;
  23     return set_cr_done();
  24   }
  25
  26 };
  27
  28 class RGWLogStatRemoteObjCR : public RGWCallStatRemoteObjCR {
  29 public:
  30   RGWLogStatRemoteObjCR(RGWDataSyncCtx *_sc,
  31                         rgw_bucket& _src_bucket, rgw_obj_key& _key) : RGWCallStatRemoteObjCR(_sc, _src_bucket, _key) {
  32   }
  33
  34   ~RGWLogStatRemoteObjCR() override {}
  35
  36   RGWStatRemoteObjCBCR *allocate_callback() override {
  37     return new RGWLogStatRemoteObjCBCR(sc, src_bucket, key);
  38   }
  39 };
  40
  41 class RGWLogDataSyncModule : public RGWDataSyncModule {
  42   string prefix;
  43 public:
  44   explicit RGWLogDataSyncModule(const string& _prefix) : prefix(_prefix) {}
  45
  46   RGWCoroutine *sync_object(const DoutPrefixProvider *dpp, RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, std::optional<uint64_t> versioned_epoch, rgw_zone_set *zones_trace) override {
  47     ldpp_dout(dpp, 0) << prefix << ": SYNC_LOG: sync_object: b=" << sync_pipe.info.source_bs.bucket << " k=" << key << " versioned_epoch=" << versioned_epoch.value_or(0) << dendl;
  48     return new RGWLogStatRemoteObjCR(sc, sync_pipe.info.source_bs.bucket, key);
  49   }
  50   RGWCoroutine *remove_object(const DoutPrefixProvider *dpp, RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, real_time& mtime, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) override {
  51     ldpp_dout(dpp, 0) << prefix << ": SYNC_LOG: rm_object: b=" << sync_pipe.info.source_bs.bucket << " k=" << key << " mtime=" << mtime << " versioned=" << versioned << " versioned_epoch=" << versioned_epoch << dendl;
  52     return NULL;
  53   }
  54   RGWCoroutine *create_delete_marker(const DoutPrefixProvider *dpp, RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, real_time& mtime,
  55                                      rgw_bucket_entry_owner& owner, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) override {
  56     ldpp_dout(dpp, 0) << prefix << ": SYNC_LOG: create_delete_marker: b=" << sync_pipe.info.source_bs.bucket << " k=" << key << " mtime=" << mtime
  57                             << " versioned=" << versioned << " versioned_epoch=" << versioned_epoch << dendl;
  58     return NULL;
  59   }
  60 };
  61
  62 class RGWLogSyncModuleInstance : public RGWSyncModuleInstance {
  63   RGWLogDataSyncModule data_handler;
  64 public:
  65   explicit RGWLogSyncModuleInstance(const string& prefix) : data_handler(prefix) {}
  66   RGWDataSyncModule *get_data_handler() override {
  67     return &data_handler;
  68   }
  69 };
  70
  71 int RGWLogSyncModule::create_instance(const DoutPrefixProvider *dpp, CephContext *cct, const JSONFormattable& config, RGWSyncModuleInstanceRef *instance) {
  72   string prefix = config["prefix"];
  73   instance->reset(new RGWLogSyncModuleInstance(prefix));
  74   return 0;
  75 }
  76