From: Varada Kari <varada.kari@sandisk.com>
Date: Thu, 22 Dec 2016 09:52:17 +0000 (+0530)
Subject: os/kv: add interface to size of key and value from wholespaceiter
X-Git-Tag: v12.0.0~97^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=1b1018d730c14c834c3104e568def388bc279351;p=ceph.git

os/kv: add interface to size of key and value from wholespaceiter

Avoids converting the key and value to string or bufferlist

Signed-off-by: Varada Kari <varada.kari@sandisk.com>
---

diff --git a/src/kv/KeyValueDB.h b/src/kv/KeyValueDB.h
index cfaea4b6ffde..1a9ea657cb65 100644
--- a/src/kv/KeyValueDB.h
+++ b/src/kv/KeyValueDB.h
@@ -192,6 +192,12 @@ public:
       }
     }
     virtual int status() = 0;
+    virtual size_t key_size() {
+      return 0;
+    }
+    virtual size_t value_size() {
+      return 0;
+    }
     virtual ~WholeSpaceIteratorImpl() { }
   };
   typedef ceph::shared_ptr< WholeSpaceIteratorImpl > WholeSpaceIterator;
diff --git a/src/kv/RocksDBStore.cc b/src/kv/RocksDBStore.cc
index 4b7b2b98db6d..5b97598ebe12 100644
--- a/src/kv/RocksDBStore.cc
+++ b/src/kv/RocksDBStore.cc
@@ -869,6 +869,16 @@ bufferlist RocksDBStore::RocksDBWholeSpaceIteratorImpl::value()
   return to_bufferlist(dbiter->value());
 }
 
+size_t RocksDBStore::RocksDBWholeSpaceIteratorImpl::key_size()
+{
+  return dbiter->key().size();
+}
+
+size_t RocksDBStore::RocksDBWholeSpaceIteratorImpl::value_size()
+{
+  return dbiter->value().size();
+}
+
 bufferptr RocksDBStore::RocksDBWholeSpaceIteratorImpl::value_as_ptr()
 {
   rocksdb::Slice val = dbiter->value();
diff --git a/src/kv/RocksDBStore.h b/src/kv/RocksDBStore.h
index 9b11d9aa84c5..44dce9c92f32 100644
--- a/src/kv/RocksDBStore.h
+++ b/src/kv/RocksDBStore.h
@@ -313,6 +313,8 @@ public:
     bufferlist value();
     bufferptr value_as_ptr();
     int status();
+    size_t key_size();
+    size_t value_size();
   };
 
   /// Utility