Exemplo n.º 1
0
bool LocalStorageDatabase::tryToOpenDatabase(DatabaseOpeningStrategy openingStrategy)
{
    if (!fileExists(m_databasePath) && openingStrategy == SkipIfNonExistent)
        return true;

    if (m_databasePath.isEmpty()) {
        LOG_ERROR("Filename for local storage database is empty - cannot open for persistent storage");
        return false;
    }

    if (!m_database.open(m_databasePath)) {
        LOG_ERROR("Failed to open database file %s for local storage", m_databasePath.utf8().data());
        return false;
    }

    // Since a WorkQueue isn't bound to a specific thread, we have to disable threading checks
    // even though we never access the database from different threads simultaneously.
    m_database.disableThreadingChecks();

    if (!migrateItemTableIfNeeded()) {
        // We failed to migrate the item table. In order to avoid trying to migrate the table over and over,
        // just delete it and start from scratch.
        if (!m_database.executeCommand("DROP TABLE ItemTable"))
            LOG_ERROR("Failed to delete table ItemTable for local storage");
    }

    if (!m_database.executeCommand("CREATE TABLE IF NOT EXISTS ItemTable (key TEXT UNIQUE ON CONFLICT REPLACE, value BLOB NOT NULL ON CONFLICT FAIL)")) {
        LOG_ERROR("Failed to create table ItemTable for local storage");
        return false;
    }

    return true;
}
Exemplo n.º 2
0
bool LocalStorageDatabase::tryToOpenDatabase(DatabaseOpeningStrategy openingStrategy)
{
    if (!fileExists(m_databaseFilename) && openingStrategy == SkipIfNonExistent)
        return true;

    if (m_databaseFilename.isEmpty()) {
        LOG_ERROR("Filename for local storage database is empty - cannot open for persistent storage");
        return false;
    }

    // FIXME:
    // A StorageTracker thread may have been scheduled to delete the db we're
    // reopening, so cancel possible deletion.

    if (!m_database.open(m_databaseFilename)) {
        LOG_ERROR("Failed to open database file %s for local storage", m_databaseFilename.utf8().data());
        return false;
    }

    if (!migrateItemTableIfNeeded()) {
        // We failed to migrate the item table. In order to avoid trying to migrate the table over and over,
        // just delete it and start from scratch.
        if (!m_database.executeCommand("DROP TABLE ItemTable"))
            LOG_ERROR("Failed to delete table ItemTable for local storage");
    }

    if (!m_database.executeCommand("CREATE TABLE IF NOT EXISTS ItemTable (key TEXT UNIQUE ON CONFLICT REPLACE, value BLOB NOT NULL ON CONFLICT FAIL)")) {
        LOG_ERROR("Failed to create table ItemTable for local storage");
        return false;
    }

    return true;
}
Exemplo n.º 3
0
void StorageAreaSync::openDatabase(OpenDatabaseParamType openingStrategy)
{
    ASSERT(!isMainThread());
    ASSERT(!m_database.isOpen());
    ASSERT(!m_databaseOpenFailed);

    SQLiteTransactionInProgressAutoCounter transactionCounter;

    String databaseFilename = m_syncManager->fullDatabaseFilename(m_databaseIdentifier);

    if (!fileExists(databaseFilename) && openingStrategy == SkipIfNonExistent)
        return;

    if (databaseFilename.isEmpty()) {
        LOG_ERROR("Filename for local storage database is empty - cannot open for persistent storage");
        markImported();
        m_databaseOpenFailed = true;
        return;
    }

    // A StorageTracker thread may have been scheduled to delete the db we're
    // reopening, so cancel possible deletion.
    StorageTracker::tracker().cancelDeletingOrigin(m_databaseIdentifier);

    if (!m_database.open(databaseFilename)) {
        LOG_ERROR("Failed to open database file %s for local storage", databaseFilename.utf8().data());
        markImported();
        m_databaseOpenFailed = true;
        return;
    }

    migrateItemTableIfNeeded();

    if (!m_database.executeCommand("CREATE TABLE IF NOT EXISTS ItemTable (key TEXT UNIQUE ON CONFLICT REPLACE, value BLOB NOT NULL ON CONFLICT FAIL)")) {
        LOG_ERROR("Failed to create table ItemTable for local storage");
        markImported();
        m_databaseOpenFailed = true;
        return;
    }

    StorageTracker::tracker().setOriginDetails(m_databaseIdentifier, databaseFilename);
}