/***************************************************************************
- * Copyright (C) 2005-07 by the Quassel IRC Team *
+ * Copyright (C) 2005-07 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
if(!_connectionPool.contains(QThread::currentThread()))
addConnectionToPool();
- qDebug() << "using logDb" << _connectionPool[QThread::currentThread()]->name() << QThread::currentThread();
return QSqlDatabase::database(_connectionPool[QThread::currentThread()]->name());
}
int connectionId = _nextConnectionId++;
- Connection *connection = new Connection(QLatin1String(QString("quassel_connection_%1").arg(connectionId).toLatin1()), this);
- qDebug() << "new connection" << connection->name() << currentThread << QLatin1String(QString("quassel_connection_%1").arg(connectionId).toLatin1());
+ Connection *connection = new Connection(QLatin1String(QString("quassel_%1_con_%2").arg(driverName()).arg(connectionId).toLatin1()));
connection->moveToThread(currentThread);
- connect(this, SIGNAL(syncCachedQueries()), connection, SLOT(syncCachedQueries()));
connect(this, SIGNAL(destroyed()), connection, SLOT(deleteLater()));
connect(currentThread, SIGNAL(destroyed()), connection, SLOT(deleteLater()));
connect(connection, SIGNAL(destroyed()), this, SLOT(connectionDestroyed()));
if(!hostName().isEmpty())
db.setHostName(hostName());
+ if(port() != -1)
+ db.setPort(port());
+
if(!userName().isEmpty()) {
db.setUserName(userName());
db.setPassword(password());
}
}
-bool AbstractSqlStorage::init(const QVariantMap &settings) {
- Q_UNUSED(settings)
+Storage::State AbstractSqlStorage::init(const QVariantMap &settings) {
+ setConnectionProperties(settings);
+
QSqlDatabase db = logDb();
if(!db.isValid() || !db.isOpen())
- return false;
+ return NotAvailable;
if(installedSchemaVersion() == -1) {
qCritical() << "Storage Schema is missing!";
- return false;
+ return NeedsSetup;
}
if(installedSchemaVersion() > schemaVersion()) {
qCritical() << "Installed Schema is newer then any known Version.";
- return false;
+ return NotAvailable;
}
-
+
if(installedSchemaVersion() < schemaVersion()) {
- qWarning() << "Installed Schema is not up to date. Upgrading...";
- if(!upgradeDb())
- return false;
+ qWarning() << qPrintable(tr("Installed Schema (version %1) is not up to date. Upgrading to version %2...").arg(installedSchemaVersion()).arg(schemaVersion()));
+ if(!upgradeDb()) {
+ qWarning() << qPrintable(tr("Upgrade failed..."));
+ return NotAvailable;
+ }
}
-
- quInfo() << "Storage Backend is ready. Quassel Schema Version:" << installedSchemaVersion();
- return true;
-}
-void AbstractSqlStorage::sync() {
- emit syncCachedQueries();
+ quInfo() << qPrintable(displayName()) << "Storage Backend is ready. Quassel Schema Version:" << installedSchemaVersion();
+ return IsReady;
}
QString AbstractSqlStorage::queryString(const QString &queryName, int version) {
if(version == 0)
version = schemaVersion();
-
+
QFileInfo queryInfo(QString(":/SQL/%1/%2/%3.sql").arg(displayName()).arg(version).arg(queryName));
if(!queryInfo.exists() || !queryInfo.isFile() || !queryInfo.isReadable()) {
qCritical() << "Unable to read SQL-Query" << queryName << "for engine" << displayName();
return QString();
QString query = QTextStream(&queryFile).readAll();
queryFile.close();
-
- return query.trimmed();
-}
-QSqlQuery &AbstractSqlStorage::cachedQuery(const QString &queryName, int version) {
- Q_ASSERT(_connectionPool.contains(QThread::currentThread()));
- qDebug() << "cached query" << queryName << "using" << _connectionPool[QThread::currentThread()]->name() << QThread::currentThread();
- return _connectionPool[QThread::currentThread()]->cachedQuery(queryName, version);
+ return query.trimmed();
}
QStringList AbstractSqlStorage::setupQueries() {
}
bool AbstractSqlStorage::setup(const QVariantMap &settings) {
- Q_UNUSED(settings)
+ setConnectionProperties(settings);
QSqlDatabase db = logDb();
if(!db.isOpen()) {
qCritical() << "Unable to setup Logging Backend!";
return false;
}
+ db.transaction();
foreach(QString queryString, setupQueries()) {
QSqlQuery query = db.exec(queryString);
if(!watchQuery(query)) {
qCritical() << "Unable to setup Logging Backend!";
+ db.rollback();
return false;
}
}
- return true;
+ bool success = setupSchemaVersion(schemaVersion());
+ if(success)
+ db.commit();
+ else
+ db.rollback();
+ return success;
}
QStringList AbstractSqlStorage::upgradeQueries(int version) {
}
}
}
- return true;
+ return updateSchemaVersion(schemaVersion());
}
qCritical() << " Error Message:" << query.lastError().text();
qCritical() << " Driver Message:" << query.lastError().driverText();
qCritical() << " DB Message:" << query.lastError().databaseText();
-
+
return false;
}
return true;
// ========================================
// AbstractSqlStorage::Connection
// ========================================
-AbstractSqlStorage::Connection::Connection(const QString &name, AbstractSqlStorage *storage, QObject *parent)
+AbstractSqlStorage::Connection::Connection(const QString &name, QObject *parent)
: QObject(parent),
- _name(name.toLatin1()),
- _storageEngine(storage)
+ _name(name.toLatin1())
{
}
AbstractSqlStorage::Connection::~Connection() {
- QHash<QPair<QString, int>, QSqlQuery *>::iterator iter = _queryCache.begin();
- while(iter != _queryCache.end()) {
- delete *iter;
- iter = _queryCache.erase(iter);
- }
{
QSqlDatabase db = QSqlDatabase::database(name(), false);
if(db.isOpen()) {
QSqlDatabase::removeDatabase(name());
}
-QSqlQuery &AbstractSqlStorage::Connection::cachedQuery(const QString &queryName, int version) {
- QPair<QString, int> queryId = qMakePair(queryName, version);
- if(_queryCache.contains(queryId)) {
- return *(_queryCache[queryId]);
+
+
+
+// ========================================
+// AbstractSqlMigrator
+// ========================================
+AbstractSqlMigrator::AbstractSqlMigrator()
+ : _query(0)
+{
+}
+
+void AbstractSqlMigrator::newQuery(const QString &query, QSqlDatabase db) {
+ Q_ASSERT(!_query);
+ _query = new QSqlQuery(db);
+ _query->prepare(query);
+}
+
+void AbstractSqlMigrator::resetQuery() {
+ delete _query;
+ _query = 0;
+}
+
+bool AbstractSqlMigrator::exec() {
+ Q_ASSERT(_query);
+ _query->exec();
+ return !_query->lastError().isValid();
+}
+
+QString AbstractSqlMigrator::migrationObject(MigrationObject moType) {
+ switch(moType) {
+ case QuasselUser:
+ return "QuasselUser";
+ case Sender:
+ return "Sender";
+ case Identity:
+ return "Identity";
+ case IdentityNick:
+ return "IdentityNick";
+ case Network:
+ return "Network";
+ case Buffer:
+ return "Buffer";
+ case Backlog:
+ return "Backlog";
+ case IrcServer:
+ return "IrcServer";
+ case UserSetting:
+ return "UserSetting";
+ };
+ return QString();
+}
+
+QVariantList AbstractSqlMigrator::boundValues() {
+ QVariantList values;
+ if(!_query)
+ return values;
+
+ int numValues = _query->boundValues().count();
+ for(int i = 0; i < numValues; i++) {
+ values << _query->boundValue(i);
}
+ return values;
+}
+
+void AbstractSqlMigrator::dumpStatus() {
+ qWarning() << " executed Query:";
+ qWarning() << qPrintable(executedQuery());
+ qWarning() << " bound Values:";
+ QList<QVariant> list = boundValues();
+ for (int i = 0; i < list.size(); ++i)
+ qWarning() << i << ": " << list.at(i).toString().toAscii().data();
+ qWarning() << " Error Number:" << lastError().number();
+ qWarning() << " Error Message:" << lastError().text();
+}
- QSqlQuery *query = new QSqlQuery(QSqlDatabase::database(name()));
- query->prepare(_storageEngine->queryString(queryName, version));
- _queryCache[queryId] = query;
- return *query;
+
+// ========================================
+// AbstractSqlMigrationReader
+// ========================================
+AbstractSqlMigrationReader::AbstractSqlMigrationReader()
+ : AbstractSqlMigrator(),
+ _writer(0)
+{
}
-void AbstractSqlStorage::Connection::syncCachedQueries() {
- QHash<QPair<QString, int>, QSqlQuery *>::iterator iter = _queryCache.begin();
- while(iter != _queryCache.end()) {
- delete *iter;
- iter = _queryCache.erase(iter);
+bool AbstractSqlMigrationReader::migrateTo(AbstractSqlMigrationWriter *writer) {
+ if(!transaction()) {
+ qWarning() << "AbstractSqlMigrationReader::migrateTo(): unable to start reader stransaction!";
+ return false;
}
- QSqlDatabase db = QSqlDatabase::database(name(), false);
- if(db.isOpen())
- db.commit();
+ if(!writer->transaction()) {
+ qWarning() << "AbstractSqlMigrationReader::migrateTo(): unable to start writer stransaction!";
+ rollback(); // close the reader transaction;
+ return false;
+ }
+
+ _writer = writer;
+
+ // due to the incompatibility across Migration objects we can't run this in a loop... :/
+ QuasselUserMO quasselUserMo;
+ if(!transferMo(QuasselUser, quasselUserMo))
+ return false;
+
+ SenderMO senderMo;
+ if(!transferMo(Sender, senderMo))
+ return false;
+
+ IdentityMO identityMo;
+ if(!transferMo(Identity, identityMo))
+ return false;
+
+ IdentityNickMO identityNickMo;
+ if(!transferMo(IdentityNick, identityNickMo))
+ return false;
+
+ NetworkMO networkMo;
+ if(!transferMo(Network, networkMo))
+ return false;
+
+ BufferMO bufferMo;
+ if(!transferMo(Buffer, bufferMo))
+ return false;
+
+ BacklogMO backlogMo;
+ if(!transferMo(Backlog, backlogMo))
+ return false;
+
+ IrcServerMO ircServerMo;
+ if(!transferMo(IrcServer, ircServerMo))
+ return false;
+
+ UserSettingMO userSettingMo;
+ if(!transferMo(UserSetting, userSettingMo))
+ return false;
+
+ return finalizeMigration();
}
+
+void AbstractSqlMigrationReader::abortMigration(const QString &errorMsg) {
+ qWarning() << "Migration Failed!";
+ if(!errorMsg.isNull()) {
+ qWarning() << qPrintable(errorMsg);
+ }
+ if(lastError().isValid()) {
+ qWarning() << "ReaderError:";
+ dumpStatus();
+ }
+
+
+ if(_writer->lastError().isValid()) {
+ qWarning() << "WriterError:";
+ _writer->dumpStatus();
+ }
+
+ rollback();
+ _writer->rollback();
+ _writer = 0;
+}
+
+bool AbstractSqlMigrationReader::finalizeMigration() {
+ resetQuery();
+ _writer->resetQuery();
+
+ commit();
+ if(!_writer->commit()) {
+ _writer = 0;
+ return false;
+ }
+ _writer = 0;
+ return true;
+}
+
+template<typename T>
+bool AbstractSqlMigrationReader::transferMo(MigrationObject moType, T &mo) {
+ resetQuery();
+ _writer->resetQuery();
+
+ if(!prepareQuery(moType)) {
+ abortMigration(QString("AbstractSqlMigrationReader::migrateTo(): unable to prepare reader query of type %1!").arg(AbstractSqlMigrator::migrationObject(moType)));
+ return false;
+ }
+ if(!_writer->prepareQuery(moType)) {
+ abortMigration(QString("AbstractSqlMigrationReader::migrateTo(): unable to prepare writer query of type %1!").arg(AbstractSqlMigrator::migrationObject(moType)));
+ return false;
+ }
+
+ qDebug() << qPrintable(QString("Transfering %1...").arg(AbstractSqlMigrator::migrationObject(moType)));
+ int i = 0;
+ QFile file;
+ file.open(stdout, QIODevice::WriteOnly);
+ while(readMo(mo)) {
+ if(!_writer->writeMo(mo)) {
+ abortMigration(QString("AbstractSqlMigrationReader::transferMo(): unable to transfer Migratable Object of type %1!").arg(AbstractSqlMigrator::migrationObject(moType)));
+ return false;
+ }
+ i++;
+ if(i % 1000 == 0) {
+ file.write("*");
+ file.flush();
+ }
+ }
+ if(i > 1000) {
+ file.write("\n");
+ file.flush();
+ }
+ qDebug() << "Done.";
+ return true;
+}
+
projects / quassel.git / blobdiff