ceph/src/cls/timeindex/cls_timeindex_client.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_CLS_TIMEINDEX_CLIENT_H
   5 #define CEPH_CLS_TIMEINDEX_CLIENT_H
   6
   7 #include "include/rados/librados.hpp"
   8
   9 #include "cls_timeindex_ops.h"
  10
  11 namespace librados {
  12   class ObjectWriteOperation;
  13   class ObjectReadOperation;
  14   class IoCtx;
  15 }
  16
  17 /**
  18  * timeindex objclass
  19  */
  20 class TimeindexListCtx : public librados::ObjectOperationCompletion {
  21   std::list<cls_timeindex_entry> *entries;
  22   std::string *marker;
  23   bool *truncated;
  24
  25 public:
  26   ///* ctor
  27   TimeindexListCtx(
  28     std::list<cls_timeindex_entry> *_entries,
  29     std::string *_marker,
  30     bool *_truncated)
  31     : entries(_entries), marker(_marker), truncated(_truncated) {}
  32
  33   ///* dtor
  34   ~TimeindexListCtx() {}
  35
  36   void handle_completion(int r, bufferlist& bl) override {
  37     if (r >= 0) {
  38       cls_timeindex_list_ret ret;
  39       try {
  40         bufferlist::iterator iter = bl.begin();
  41         ::decode(ret, iter);
  42         if (entries)
  43           *entries = ret.entries;
  44         if (truncated)
  45           *truncated = ret.truncated;
  46         if (marker)
  47           *marker = ret.marker;
  48       } catch (buffer::error& err) {
  49         // nothing we can do about it atm
  50       }
  51     }
  52   }
  53 };
  54
  55 void cls_timeindex_add_prepare_entry(
  56   cls_timeindex_entry& entry,
  57   const utime_t& key_timestamp,
  58   const std::string& key_ext,
  59   bufferlist& bl);
  60
  61 void cls_timeindex_add(
  62   librados::ObjectWriteOperation& op,
  63   const std::list<cls_timeindex_entry>& entry);
  64
  65 void cls_timeindex_add(
  66   librados::ObjectWriteOperation& op,
  67   const cls_timeindex_entry& entry);
  68
  69 void cls_timeindex_add(
  70   librados::ObjectWriteOperation& op,
  71   const utime_t& timestamp,
  72   const std::string& name,
  73   const bufferlist& bl);
  74
  75 void cls_timeindex_list(
  76   librados::ObjectReadOperation& op,
  77   const utime_t& from,
  78   const utime_t& to,
  79   const std::string& in_marker,
  80   const int max_entries,
  81   std::list<cls_timeindex_entry>& entries,
  82   std::string *out_marker,
  83   bool *truncated);
  84
  85 void cls_timeindex_trim(
  86   librados::ObjectWriteOperation& op,
  87   const utime_t& from_time,
  88   const utime_t& to_time,
  89   const std::string& from_marker = std::string(),
  90   const std::string& to_marker = std::string());
  91
  92 int cls_timeindex_trim(
  93   librados::IoCtx& io_ctx,
  94   const std::string& oid,
  95   const utime_t& from_time,
  96   const utime_t& to_time,
  97   const std::string& from_marker = std::string(),
  98   const std::string& to_marker = std::string());
  99 #endif