exit(EXIT_FAILURE);
}
- // Register storage backends here!
- registerStorageBackend(new SqliteStorage(this));
- registerStorageBackend(new PostgreSqlStorage(this));
+ registerStorageBackends();
connect(&_storageSyncTimer, SIGNAL(timeout()), this, SLOT(syncStorage()));
_storageSyncTimer.start(10 * 60 * 1000); // 10 minutes
}
void Core::init() {
+ if(Quassel::isOptionSet("select-backend")) {
+ switchBackend(Quassel::optionValue("select-backend"));
+ exit(0);
+ }
+
CoreSettings cs;
_configured = initStorage(cs.storageSettings().toMap());
if(!_configured) {
if(!_storageBackends.count()) {
qWarning() << qPrintable(tr("Could not initialize any storage backend! Exiting..."));
- qWarning() << qPrintable(tr("Currently, Quassel only supports SQLite3. You need to build your\n"
- "Qt library with the sqlite plugin enabled in order for quasselcore\n"
+ qWarning() << qPrintable(tr("Currently, Quassel supports SQLite3 and PostgreSQL. You need to build your\n"
+ "Qt library with the sqlite or postgres plugin enabled in order for quasselcore\n"
"to work."));
exit(1); // TODO make this less brutal (especially for mono client -> popup)
}
qWarning() << "Core is currently not configured! Please connect with a Quassel Client for basic setup.";
}
+ if(Quassel::isOptionSet("migrate-backend")) {
+ migrateBackend(Quassel::optionValue("migrate-backend"));
+ exit(0);
+ }
+
connect(&_server, SIGNAL(newConnection()), this, SLOT(incomingConnection()));
connect(&_v6server, SIGNAL(newConnection()), this, SLOT(incomingConnection()));
if(!startListening()) exit(1); // TODO make this less brutal
}
/*** Storage Handling ***/
+void Core::registerStorageBackends() {
+ // Register storage backends here!
+ registerStorageBackend(new SqliteStorage(this));
+ registerStorageBackend(new PostgreSqlStorage(this));
+}
bool Core::registerStorageBackend(Storage *backend) {
if(backend->isAvailable()) {
}
}
+void Core::unregisterStorageBackends() {
+ foreach(Storage *s, _storageBackends.values()) {
+ s->deleteLater();
+ }
+ _storageBackends.clear();
+}
+
void Core::unregisterStorageBackend(Storage *backend) {
_storageBackends.remove(backend->displayName());
backend->deleteLater();
// old db settings:
// "Type" => "sqlite"
-bool Core::initStorage(QVariantMap dbSettings, bool setup) {
+bool Core::initStorage(const QString &backend, QVariantMap settings, bool setup) {
_storage = 0;
- QString backend = dbSettings["Backend"].toString();
if(backend.isEmpty()) {
return false;
}
return false;
}
- QVariantMap connectionProperties = dbSettings["ConnectionProperties"].toMap();
-
- Storage::State storageState = storage->init(connectionProperties);
+ Storage::State storageState = storage->init(settings);
switch(storageState) {
case Storage::NeedsSetup:
if(!setup)
return false; // trigger setup process
- if(storage->setup(connectionProperties))
- return initStorage(dbSettings, false);
+ if(storage->setup(settings))
+ return initStorage(backend, settings, false);
// if setup wasn't successfull we mark the backend as unavailable
case Storage::NotAvailable:
qCritical() << "Selected storage backend is not available:" << backend;
return false;
case Storage::IsReady:
// delete all other backends
- foreach(Storage *s, _storageBackends.values()) {
- if(s != storage) s->deleteLater();
- }
- _storageBackends.clear();
+ _storageBackends.remove(backend);
+ unregisterStorageBackends();
connect(storage, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)), this, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)));
}
_storage = storage;
return true;
}
+bool Core::initStorage(QVariantMap dbSettings, bool setup) {
+ return initStorage(dbSettings["Backend"].toString(), dbSettings["ConnectionProperties"].toMap(), setup);
+}
+
+
void Core::syncStorage() {
if(_storage)
_storage->sync();
QVariantMap v;
v["DisplayName"] = backend->displayName();
v["Description"] = backend->description();
- v["ConnectionProperties"] = backend->setupKeys();
- qDebug() << backend->setupKeys();
+ v["SetupKeys"] = backend->setupKeys();
+ v["SetupDefaults"] = backend->setupDefaults();
backends.append(v);
}
reply["StorageBackends"] = backends;
if(socket && err != QAbstractSocket::RemoteHostClosedError)
qWarning() << "Core::socketError()" << socket << err << socket->errorString();
}
+
+bool Core::migrateBackend(const QString &backend) {
+ AbstractSqlStorage *sqlStorage = qobject_cast<AbstractSqlStorage *>(_storage);
+ if(!sqlStorage) {
+ qWarning() << "Core::migrateDb(): only SQL based backends can be migrated!";
+ return false;
+ }
+
+ AbstractSqlMigrationReader *reader = sqlStorage->createMigrationReader();
+ if(!reader) {
+ qWarning() << qPrintable(QString("Core::migrateDb(): unable to migrate storage backend! (No migration reader for %1)").arg(sqlStorage->displayName()));
+ return false;
+ }
+
+
+ // reregister all storage backends
+ registerStorageBackends();
+ if(_storageBackends.contains(sqlStorage->displayName())) {
+ unregisterStorageBackend(_storageBackends[sqlStorage->displayName()]);
+ }
+ if(!_storageBackends.contains(backend)) {
+ qWarning() << qPrintable(QString("Core::migrateBackend(): unsupported migration target: %1").arg(backend));
+ qWarning() << " supported Targets:" << qPrintable(QStringList(_storageBackends.keys()).join(", "));
+ return false;
+ }
+
+ Storage *storage = _storageBackends[backend];
+ QVariantMap settings = promptForSettings(storage);
+
+ Storage::State storageState = storage->init(settings);
+ switch(storageState) {
+ case Storage::NotAvailable:
+ qCritical() << "Core::migrateBackend(): selected storage backend is not available:" << backend;
+ return false;
+ case Storage::NeedsSetup:
+ if(!storage->setup(settings)) {
+ qWarning() << qPrintable(QString("Core::migrateBackend(): unable to setup target: %1").arg(backend));
+ return false;
+ }
+
+ if(storage->init(settings) != Storage::IsReady) {
+ qWarning() << qPrintable(QString("Core::migrateBackend(): unable to initialize target: %1").arg(backend));
+ return false;
+ }
+ case Storage::IsReady:
+ break;
+ }
+
+ sqlStorage = qobject_cast<AbstractSqlStorage *>(storage);
+ if(!sqlStorage) {
+ qWarning() << "Core::migrateDb(): only SQL based backends can be migrated!";
+ return false;
+ }
+ AbstractSqlMigrationWriter *writer = sqlStorage->createMigrationWriter();
+ if(!writer) {
+ qWarning() << qPrintable(QString("Core::migrateDb(): unable to migrate storage backend! (No migration writer for %1)").arg(backend));
+ return false;
+ }
+
+ qDebug() << qPrintable(QString("Migrating Storage backend %1 to %2...").arg(_storage->displayName(), storage->displayName()));
+ delete _storage;
+ _storage = 0;
+ delete storage;
+ storage = 0;
+ if(reader->migrateTo(writer)) {
+ qDebug() << "Migration finished!";
+ saveBackendSettings(backend, settings);
+ return true;
+ }
+ return false;
+}
+
+bool Core::switchBackend(const QString &backend) {
+ if(!_storageBackends.contains(backend)) {
+ qWarning() << qPrintable(QString("Core::switchBackend(): unsupported backend: %1").arg(backend));
+ qWarning() << " supported backends:" << qPrintable(QStringList(_storageBackends.keys()).join(", "));
+ return false;
+ }
+
+ Storage *storage = _storageBackends[backend];
+ QVariantMap settings = promptForSettings(storage);
+
+ bool ok = initStorage(backend, settings, true /* initial setup is allowed */);
+ if(ok) {
+ saveBackendSettings(backend, settings);
+ qWarning() << "Switched backend to:" << qPrintable(backend);
+ } else {
+ qWarning() << "Failed to switch backend to:" << qPrintable(backend);
+ }
+ return ok;
+}
+
+void Core::saveBackendSettings(const QString &backend, const QVariantMap &settings) {
+ QVariantMap dbsettings;
+ dbsettings["Backend"] = backend;
+ dbsettings["ConnectionProperties"] = settings;
+ CoreSettings().setStorageSettings(dbsettings);
+}
+
+QVariantMap Core::promptForSettings(const Storage *storage) {
+ QVariantMap settings;
+
+ QStringList keys = storage->setupKeys();
+ if(keys.isEmpty())
+ return settings;
+
+ QTextStream out(stdout);
+ QTextStream in(stdin);
+ out << "!!!Warning: echo mode is always on even if asked for a password!!!" << endl;
+ out << "Default values are in brackets" << endl;
+
+ QVariantMap defaults = storage->setupDefaults();
+ QString value;
+ foreach(QString key, keys) {
+ QVariant val;
+ if(defaults.contains(key)) {
+ val = defaults[key];
+ }
+ out << key;
+ if(!val.toString().isEmpty()) {
+ out << " (" << val.toString() << ")";
+ }
+ out << ": ";
+ out.flush();
+ value = in.readLine().trimmed();
+
+ if(!value.isEmpty()) {
+ switch(defaults[key].type()) {
+ case QVariant::Int:
+ val = QVariant(value.toInt());
+ break;
+ default:
+ val = QVariant(value);
+ }
+ }
+ settings[key] = val;
+ }
+ return settings;
+}
projects / quassel.git / blobdiff