PassRefPtr<DatabaseBackendBase> DatabaseManager::openDatabaseBackend(ScriptExecutionContext* context,
DatabaseType type, const String& name, const String& expectedVersion, const String& displayName,
unsigned long estimatedSize, bool setVersionInNewDatabase, DatabaseError& error, String& errorMessage)
{
ASSERT(error == DatabaseError::None);
RefPtr<DatabaseContext> databaseContext = databaseContextFor(context);
RefPtr<DatabaseBackendContext> backendContext = databaseContext->backend();
RefPtr<DatabaseBackendBase> backend = m_server->openDatabase(backendContext, type, name, expectedVersion,
displayName, estimatedSize, setVersionInNewDatabase, error, errorMessage);
if (!backend) {
ASSERT(error != DatabaseError::None);
switch (error) {
case DatabaseError::DatabaseIsBeingDeleted:
case DatabaseError::DatabaseSizeOverflowed:
case DatabaseError::GenericSecurityError:
logOpenDatabaseError(context, name);
return 0;
case DatabaseError::InvalidDatabaseState:
logErrorMessage(context, errorMessage);
return 0;
case DatabaseError::DatabaseSizeExceededQuota:
// Notify the client that we've exceeded the database quota.
// The client may want to increase the quota, and we'll give it
// one more try after if that is the case.
{
ProposedDatabase proposedDb(*this, context->securityOrigin(), name, displayName, estimatedSize);
databaseContext->databaseExceededQuota(name, proposedDb.details());
}
error = DatabaseError::None;
backend = m_server->openDatabase(backendContext, type, name, expectedVersion,
displayName, estimatedSize, setVersionInNewDatabase, error, errorMessage,
AbstractDatabaseServer::RetryOpenDatabase);
break;
default:
ASSERT_NOT_REACHED();
}
if (!backend) {
ASSERT(error != DatabaseError::None);
if (error == DatabaseError::InvalidDatabaseState) {
logErrorMessage(context, errorMessage);
return 0;
}
logOpenDatabaseError(context, name);
return 0;
}
}
return backend.release();
}
Database* DatabaseManager::openDatabaseInternal(ExecutionContext* context,
const String& name, const String& expectedVersion, const String& displayName,
unsigned long estimatedSize, bool setVersionInNewDatabase, DatabaseError& error, String& errorMessage)
{
ASSERT(error == DatabaseError::None);
DatabaseContext* backendContext = databaseContextFor(context)->backend();
if (DatabaseTracker::tracker().canEstablishDatabase(backendContext, name, displayName, estimatedSize, error)) {
Database* backend = new Database(backendContext, name, expectedVersion, displayName, estimatedSize);
if (backend->openAndVerifyVersion(setVersionInNewDatabase, error, errorMessage))
return backend;
}
ASSERT(error != DatabaseError::None);
switch (error) {
case DatabaseError::GenericSecurityError:
logOpenDatabaseError(context, name);
return nullptr;
case DatabaseError::InvalidDatabaseState:
logErrorMessage(context, errorMessage);
return nullptr;
default:
ASSERT_NOT_REACHED();
}
return nullptr;
}
PassRefPtr<DatabaseBackendBase> DatabaseManager::openDatabaseBackend(ScriptExecutionContext* context,
DatabaseType type, const String& name, const String& expectedVersion, const String& displayName,
unsigned long estimatedSize, bool setVersionInNewDatabase, DatabaseError& error, String& errorMessage)
{
ASSERT(error == DatabaseError::None);
RefPtr<DatabaseContext> databaseContext = databaseContextFor(context);
RefPtr<DatabaseBackendContext> backendContext = databaseContext->backend();
RefPtr<DatabaseBackendBase> backend = m_server->openDatabase(backendContext, type, name, expectedVersion,
displayName, estimatedSize, setVersionInNewDatabase, error, errorMessage);
if (!backend) {
ASSERT(error != DatabaseError::None);
switch (error) {
case DatabaseError::DatabaseIsBeingDeleted:
case DatabaseError::DatabaseSizeOverflowed:
case DatabaseError::GenericSecurityError:
case DatabaseError::DatabaseSizeExceededQuota:
logOpenDatabaseError(context, name);
return 0;
case DatabaseError::InvalidDatabaseState:
logErrorMessage(context, errorMessage);
return 0;
default:
ASSERT_NOT_REACHED();
}
}
return backend.release();
}
ExceptionOr<Ref<Database>> DatabaseManager::openDatabaseBackend(ScriptExecutionContext& context, const String& name, const String& expectedVersion, const String& displayName, unsigned estimatedSize, bool setVersionInNewDatabase)
{
auto databaseContext = this->databaseContext(context);
auto backend = tryToOpenDatabaseBackend(databaseContext, name, expectedVersion, displayName, estimatedSize, setVersionInNewDatabase, FirstTryToOpenDatabase);
if (backend.hasException()) {
if (backend.exception().code() == QUOTA_EXCEEDED_ERR) {
// Notify the client that we've exceeded the database quota.
// The client may want to increase the quota, and we'll give it
// one more try after if that is the case.
{
// FIXME: What guarantees context.securityOrigin() is non-null?
ProposedDatabase proposedDatabase { *this, *context.securityOrigin(), name, displayName, estimatedSize };
databaseContext->databaseExceededQuota(name, proposedDatabase.details());
}
backend = tryToOpenDatabaseBackend(databaseContext, name, expectedVersion, displayName, estimatedSize, setVersionInNewDatabase, RetryOpenDatabase);
}
}
if (backend.hasException()) {
if (backend.exception().code() == INVALID_STATE_ERR)
logErrorMessage(context, backend.exception().message());
else
logOpenDatabaseError(context, name);
}
return backend;
}
