void
for_each (std::function <void(NodeObject::Ptr)> f)
{
rocksdb::ReadOptions const options;
std::unique_ptr <rocksdb::Iterator> it (m_db->NewIterator (options));
for (it->SeekToFirst (); it->Valid (); it->Next ())
{
if (it->key ().size () == m_keyBytes)
{
DecodedBlob decoded (it->key ().data (),
it->value ().data (),
it->value ().size ());
if (decoded.wasOk ())
{
f (decoded.createObject ());
}
else
{
// Uh oh, corrupted data!
if (m_journal.fatal) m_journal.fatal <<
"Corrupt NodeObject #" << uint256 (it->key ().data ());
}
}
else
{
// VFALCO NOTE What does it mean to find an
// incorrectly sized key? Corruption?
if (m_journal.fatal) m_journal.fatal <<
"Bad key size = " << it->key ().size ();
}
}
}
Status fetch (void const* key, NodeObject::Ptr* pObject)
{
pObject->reset ();
Status status (ok);
MDB_txn* txn = nullptr;
int error = 0;
error = mdb_txn_begin (m_env, NULL, MDB_RDONLY, &txn);
if (error == 0)
{
MDB_val dbkey;
MDB_val data;
dbkey.mv_size = m_keyBytes;
dbkey.mv_data = mdb_cast (key);
error = mdb_get (txn, m_dbi, &dbkey, &data);
if (error == 0)
{
DecodedBlob decoded (key, data.mv_data, data.mv_size);
if (decoded.wasOk ())
{
*pObject = decoded.createObject ();
}
else
{
status = dataCorrupt;
}
}
else if (error == MDB_NOTFOUND)
{
status = notFound;
}
else
{
status = unknown;
WriteLog (lsWARNING, NodeObject) << "MDB txn failed, code=" << error;
}
mdb_txn_abort (txn);
}
else
{
status = unknown;
WriteLog (lsWARNING, NodeObject) << "MDB txn failed, code=" << error;
}
return status;
}
Status
fetch (void const* key, NodeObject::Ptr* pObject)
{
pObject->reset ();
Status status (ok);
rocksdb::ReadOptions const options;
rocksdb::Slice const slice (static_cast <char const*> (key), m_keyBytes);
std::string string;
rocksdb::Status getStatus = m_db->Get (options, slice, &string);
if (getStatus.ok ())
{
DecodedBlob decoded (key, string.data (), string.size ());
if (decoded.wasOk ())
{
*pObject = decoded.createObject ();
}
else
{
// Decoding failed, probably corrupted!
//
status = dataCorrupt;
}
}
else
{
if (getStatus.IsCorruption ())
{
status = dataCorrupt;
}
else if (getStatus.IsNotFound ())
{
status = notFound;
}
else
{
status = Status (customCode + getStatus.code());
m_journal.error << getStatus.ToString ();
}
}
return status;
}
// Checks encoding/decoding blobs
void testBlobs (int64 const seedValue)
{
beginTestCase ("encoding");
Batch batch;
createPredictableBatch (batch, 0, numObjectsToTest, seedValue);
EncodedBlob encoded;
for (int i = 0; i < batch.size (); ++i)
{
encoded.prepare (batch [i]);
DecodedBlob decoded (encoded.getKey (), encoded.getData (), encoded.getSize ());
expect (decoded.wasOk (), "Should be ok");
if (decoded.wasOk ())
{
NodeObject::Ptr const object (decoded.createObject ());
expect (batch [i]->isCloneOf (object), "Should be clones");
}
}
}
Status fetch (void const* key, NodeObject::Ptr* pObject)
{
pObject->reset ();
Status status (unknown);
void* v (nullptr);
std::size_t vsize;
int rc (sp_get (m_db, key, m_keyBytes, &v, &vsize));
if (rc == 1)
{
DecodedBlob decoded (key, v, vsize);
if (decoded.wasOk ())
{
*pObject = decoded.createObject ();
status = ok;
}
else
{
status = dataCorrupt;
}
::free (v);
}
else if (rc == 0)
{
status = notFound;
}
else
{
String s;
s << "Sophia failed with error code " << rc;
Throw (std::runtime_error (s.toStdString()), __FILE__, __LINE__);
status = notFound;
}
return status;
}
void
for_each (std::function <void(std::shared_ptr<NodeObject>)> f) override
{
auto const dp = db_.dat_path();
auto const kp = db_.key_path();
auto const lp = db_.log_path();
//auto const appnum = db_.appnum();
db_.close();
api::visit (dp,
[&](
void const* key, std::size_t key_bytes,
void const* data, std::size_t size)
{
DecodedBlob decoded (key, data, size);
if (! decoded.wasOk ())
return false;
f (decoded.createObject());
return true;
});
db_.open (dp, kp, lp,
arena_alloc_size);
}
Status
fetch (void const* key, std::shared_ptr<NodeObject>* pno) override
{
Status status;
pno->reset();
if (! db_.fetch (key,
[key, pno, &status](void const* data, std::size_t size)
{
DecodedBlob decoded (key, data, size);
if (! decoded.wasOk ())
{
status = dataCorrupt;
return;
}
*pno = decoded.createObject();
status = ok;
}))
{
return notFound;
}
return status;
}