function Initialise_Backup(&$bootstrap, &$progress, &$next_step)
{
global $wpdb;
// First of all, clean up everything from last backup
if ($progress['initialise'] < ++$next_step) {
$this->CleanUp();
$progress['initialise'] = $next_step;
$bootstrap->Tick();
}
// First of all, clear back activity logs
if ($progress['initialise'] < ++$next_step) {
do {
if (($ret = $wpdb->query('DELETE a, e FROM `' . $this->db_prefix . 'wponlinebackup_activity_log` a ' . 'LEFT JOIN `' . $this->db_prefix . 'wponlinebackup_event_log` e ON (e.activity_id = a.activity_id) ' . 'WHERE a.start < ' . strtotime('-' . $this->WPOnlineBackup->Get_Setting('max_log_age') . ' months', $progress['start_time']))) === false) {
return $bootstrap->DBError(__LINE__, __FILE__);
}
// Before the Tick so we skip completely if we're done
if (!$ret) {
$progress['initialise'] = $next_step;
}
$bootstrap->Tick();
} while ($ret);
}
if ($progress['initialise'] < ++$next_step) {
// If online, add a synchronisation job
if ($progress['config']['target'] == 'online') {
$progress['jobs'][] = array('processor' => 'transmission', 'progress' => 0, 'progresslen' => 5, 'retries' => 0, 'action' => 'synchronise', 'total_items' => 0, 'total_generations' => 0, 'done_items' => 0, 'done_generations' => 0);
}
$progress['initialise'] = $next_step;
$bootstrap->Tick();
}
if ($progress['initialise'] < ++$next_step) {
// Are we backing up the database?
if ($progress['config']['backup_database']) {
require_once WPONLINEBACKUP_PATH . '/include/tables.php';
$tables = new WPOnlineBackup_Backup_Tables($this->WPOnlineBackup, $this->db_force_master);
// Initialise - pass ourself so we can log events, and also pass the progress and its tracker
if (true !== ($ret = $tables->Initialise($this, $progress))) {
return $ret;
}
}
$progress['initialise'] = $next_step;
$bootstrap->Tick();
}
if ($progress['initialise'] < ++$next_step) {
// Are we backing up the filesystem?
if ($progress['config']['backup_filesystem']) {
require_once WPONLINEBACKUP_PATH . '/include/files.php';
$files = new WPOnlineBackup_Backup_Files($this->WPOnlineBackup, $this->db_force_master);
// Initialise - pass ourselves so we can log events, and also pass the progress and its tracker
if (true !== ($ret = $files->Initialise($this, $progress))) {
return $ret;
}
}
$progress['initialise'] = $next_step;
$bootstrap->Tick();
}
if ($progress['initialise'] < ++$next_step) {
// Reconstruct the data files
$progress['jobs'][] = array('processor' => 'reconstruct', 'progress' => 0, 'progresslen' => 5);
if ($progress['config']['target'] == 'online') {
// Online needs to transmit
$progress['jobs'][] = array('processor' => 'transmission', 'progress' => 0, 'progresslen' => 10, 'retries' => 0, 'action' => 'transmit', 'total' => 0, 'done' => 0, 'done_retention' => 0, 'retention_size' => 0, 'new_bsn' => 0, 'wait' => false);
} else {
if ($progress['config']['target'] == 'email') {
// Email needs to email
$progress['jobs'][] = array('processor' => 'email', 'progress' => 0, 'progresslen' => 10, 'retries' => 0);
}
}
// Add the cleanups to the end of the job list so they happen only after the main backup jobs have finished
$progress['jobs'] = array_merge($progress['jobs'], $progress['cleanups']);
$progress['cleanups'] = array();
// Add on the file cleanup - this places local backups in their correct place and deletes files for online backup etc.
$progress['jobs'][] = array('processor' => 'cleanupfiles', 'progress' => 0, 'progresslen' => 5);
// Retention for local backups should be done AFTER cleanupfiles, since cleanupfiles adds to the database the current backup and retention should take that into account
if ($progress['config']['target'] == 'download') {
// Local needs retention
$progress['jobs'][] = array('processor' => 'localretention', 'progress' => 0, 'progresslen' => 5, 'deleted_gens' => 0, 'deleted_storage' => 0, 'delete_error' => 0);
}
// Total up the jobcount as total of all progresslens - makes calculating progress % easier
foreach ($progress['jobs'] as $job) {
$progress['jobcount'] += $job['progresslen'];
}
$progress['initialise'] = $next_step;
$bootstrap->Tick();
}
if ($progress['initialise'] < ++$next_step) {
if ($progress['config']['target'] == 'download') {
// Create the local backup directory
if (true !== ($ret = $bootstrap->Create_Dir_Local_Backup())) {
return $ret;
}
}
// Try to create the temporary backup directory
if (true !== ($ret = $bootstrap->Create_Dir_Temporary())) {
return $ret;
}
$progress['initialise'] = $next_step;
// Force a save here since we did some file operation checks and it'll save us doing it again
$bootstrap->Tick(false, true);
}
// Prepare the stream configuration
// - the streams use this configuration instead of the central configuration so we can use different settings in different streams
$config = array('designated_path' => $progress['cache']['local_tmp_dir'], 'compression' => $this->WPOnlineBackup->Get_Env('deflate_available') ? 'DEFLATE' : 'store', 'encryption' => $progress['cache']['enc_type'], 'encryption_key' => $progress['cache']['enc_key']);
// Set up the required stream
if ($progress['config']['target'] == 'online') {
$stream_type = 'Stream_Delta';
} else {
$stream_type = 'Stream_Full';
}
require_once WPONLINEBACKUP_PATH . '/include/' . strtolower($stream_type) . '.php';
$name = 'WPOnlineBackup_' . $stream_type;
$stream = new $name($this->WPOnlineBackup);
// Open the file - suppress errors in html_entity_decode as PHP4 will flood out warnings about multibyte characters
if (($ret = $stream->Open($config, @html_entity_decode(get_bloginfo('name'), ENT_QUOTES, get_bloginfo('charset')), @html_entity_decode(get_bloginfo('description'), ENT_QUOTES, get_bloginfo('charset')))) !== true) {
return $bootstrap->Create_Failure();
}
if ($progress['config']['target'] == 'email') {
// Check we aren't too big to process. Add 50% to the filesize to allow for MIME encoding and headers etc, and take 5MB from Memory_Limit for processing
$max = floor((($memory_limit = $this->WPOnlineBackup->Memory_Limit()) - 5 * 1024 * 1024) / 2.5);
}
// Store the steam - we cannot store it in this->stream until it is Opened because we call CleanUp in On_Shutdown if an error occurs and CleanUp can not be called until after Open or Load
$bootstrap->Set_Stream($stream_type, $stream);
return true;
}
