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walletdb: moveonly: Move BerkeleyBatch Cursor and Txn funcs to cpp

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Put the implementation in the cpp, not the h file.
This commit is contained in:
Andrew Chow 2020-06-15 20:34:25 -04:00
parent 25a655794a
commit 8f033642a8
2 changed files with 66 additions and 60 deletions
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61
src/wallet/db.cpp
View file

@ -761,6 +761,67 @@ void BerkeleyDatabase::ReloadDbEnv()
}
}
Dbc* BerkeleyBatch::GetCursor()
{
if (!pdb)
return nullptr;
Dbc* pcursor = nullptr;
int ret = pdb->cursor(nullptr, &pcursor, 0);
if (ret != 0)
return nullptr;
return pcursor;
}
int BerkeleyBatch::ReadAtCursor(Dbc* pcursor, CDataStream& ssKey, CDataStream& ssValue)
{
// Read at cursor
SafeDbt datKey;
SafeDbt datValue;
int ret = pcursor->get(datKey, datValue, DB_NEXT);
if (ret != 0)
return ret;
else if (datKey.get_data() == nullptr || datValue.get_data() == nullptr)
return 99999;
// Convert to streams
ssKey.SetType(SER_DISK);
ssKey.clear();
ssKey.write((char*)datKey.get_data(), datKey.get_size());
ssValue.SetType(SER_DISK);
ssValue.clear();
ssValue.write((char*)datValue.get_data(), datValue.get_size());
return 0;
}
bool BerkeleyBatch::TxnBegin()
{
if (!pdb || activeTxn)
return false;
DbTxn* ptxn = env->TxnBegin();
if (!ptxn)
return false;
activeTxn = ptxn;
return true;
}
bool BerkeleyBatch::TxnCommit()
{
if (!pdb || !activeTxn)
return false;
int ret = activeTxn->commit(0);
activeTxn = nullptr;
return (ret == 0);
}
bool BerkeleyBatch::TxnAbort()
{
if (!pdb || !activeTxn)
return false;
int ret = activeTxn->abort();
activeTxn = nullptr;
return (ret == 0);
}
std::string BerkeleyDatabaseVersion()
{
return DbEnv::version(nullptr, nullptr, nullptr);

65
src/wallet/db.h
View file

@ -326,66 +326,11 @@ public:
return (ret == 0);
}
Dbc* GetCursor()
{
if (!pdb)
return nullptr;
Dbc* pcursor = nullptr;
int ret = pdb->cursor(nullptr, &pcursor, 0);
if (ret != 0)
return nullptr;
return pcursor;
}
int ReadAtCursor(Dbc* pcursor, CDataStream& ssKey, CDataStream& ssValue)
{
// Read at cursor
SafeDbt datKey;
SafeDbt datValue;
int ret = pcursor->get(datKey, datValue, DB_NEXT);
if (ret != 0)
return ret;
else if (datKey.get_data() == nullptr || datValue.get_data() == nullptr)
return 99999;
// Convert to streams
ssKey.SetType(SER_DISK);
ssKey.clear();
ssKey.write((char*)datKey.get_data(), datKey.get_size());
ssValue.SetType(SER_DISK);
ssValue.clear();
ssValue.write((char*)datValue.get_data(), datValue.get_size());
return 0;
}
bool TxnBegin()
{
if (!pdb || activeTxn)
return false;
DbTxn* ptxn = env->TxnBegin();
if (!ptxn)
return false;
activeTxn = ptxn;
return true;
}
bool TxnCommit()
{
if (!pdb || !activeTxn)
return false;
int ret = activeTxn->commit(0);
activeTxn = nullptr;
return (ret == 0);
}
bool TxnAbort()
{
if (!pdb || !activeTxn)
return false;
int ret = activeTxn->abort();
activeTxn = nullptr;
return (ret == 0);
}
Dbc* GetCursor();
int ReadAtCursor(Dbc* pcursor, CDataStream& ssKey, CDataStream& ssValue);
bool TxnBegin();
bool TxnCommit();
bool TxnAbort();
bool static Rewrite(BerkeleyDatabase& database, const char* pszSkip = nullptr);
};