bool DataStorage::connect()
{
database = QSqlDatabase::addDatabase(myType);
database.setHostName(myServer);
database.setPort(myPort);
database.setDatabaseName(myDatabase);
database.setUserName(myUser);
database.setPassword(myPassword);
if (!database.open())
{
qFatal("%s\n",database.lastError().text().toLatin1().data());
return false;
}
qDebug() << "DataStorage:: Connect to database success";
return checkDbVersion();
}
MojErr MojDb::open(const MojChar* path, MojDbStorageEngine* engine)
{
MojAssert(path);
MojLogTrace(s_log);
MojErr err = requireNotOpen();
MojErrCheck(err);
MojLogInfo(s_log, _T("opening: '%s'..."), path);
MojAutoCloser<MojDb> closer(this);
m_isOpen = true;
// check the database version number and bail if there's a mismatch
err = checkDbVersion(path);
MojErrCheck(err);
// engine
if (engine == NULL) {
err = createEngine();
MojErrCheck(err);
MojAssert(m_storageEngine.get());
err = m_storageEngine->configure(m_conf);
MojErrCheck(err);
err = m_storageEngine->open(path);
MojErrCheck(err);
} else {
m_storageEngine.reset(engine);
}
MojDbReq req;
err = req.begin(this, true);
MojErrCheck(err);
// db
MojLogInfo(s_log, _T("Open Database: '%s'"), ObjDbName);
err = m_storageEngine->openDatabase(ObjDbName, req.txn(), m_objDb);
MojErrCheck(err);
MojAssert(m_objDb.get());
// seq
MojLogInfo(s_log, _T("Open Database: '%s'"), IdSeqName);
err = m_storageEngine->openSequence(IdSeqName, req.txn(), m_idSeq);
MojErrCheck(err);
MojAssert(m_idSeq.get());
// kinds
MojLogInfo(s_log, _T("Open Kind Engine"));
err = m_kindEngine.open(this, req);
MojLogInfo(s_log, _T("Kind Opened..."));
MojErrCheck(err);
// perms
MojLogInfo(s_log, _T("Open Permissions"));
err = m_permissionEngine.open(m_conf, this, req);
MojErrCheck(err);
// quota
err = m_quotaEngine.open(m_conf, this, req);
MojErrCheck(err);
err = req.end();
MojErrCheck(err);
// idgen
err = m_idGenerator.init();
MojErrCheck(err);
closer.release();
MojLogInfo(s_log, _T("open completed"));
return MojErrNone;
}
