Nan::NAN_METHOD_RETURN_TYPE TxnWrap::getCommon(Nan::NAN_METHOD_ARGS_TYPE info, Handle<Value> (*successFunc)(MDB_val&)) {
Nan::HandleScope scope;
TxnWrap *tw = Nan::ObjectWrap::Unwrap<TxnWrap>(info.This());
DbiWrap *dw = Nan::ObjectWrap::Unwrap<DbiWrap>(info[0]->ToObject());
if (!tw->txn) {
return Nan::ThrowError("The transaction is already closed.");
}
MDB_val key, data;
void (*freeKey)(MDB_val&) = argToKey(info[1], key, dw->keyIsUint32);
if (!freeKey) {
return;
}
int rc = mdb_get(tw->txn, dw->dbi, &key, &data);
freeKey(key);
if (rc == MDB_NOTFOUND) {
return info.GetReturnValue().Set(Nan::Null());
}
else if (rc != 0) {
return Nan::ThrowError(mdb_strerror(rc));
}
else {
return info.GetReturnValue().Set(successFunc(data));
}
}
Nan::NAN_METHOD_RETURN_TYPE Token::OpenSession(Nan::NAN_METHOD_ARGS_TYPE info)
{
Token* obj = ObjectWrap::Unwrap<Token>(info.This());
std::shared_ptr<IKeyVEILSession> sessionPtr = obj->handle()->openSession();
v8::Local<v8::Function> cons = Nan::New(Session::constructor());
v8::Local<v8::Object> sessObj = Nan::NewInstance(cons).ToLocalChecked();
Session* sess = ObjectWrap::Unwrap<Session>(sessObj);
sess->handle(sessionPtr);
info.GetReturnValue().Set(sessObj);
}
