<?php
backupbuddy_core::verifyAjaxAccess();
pb_backupbuddy::load();
if (false === ($results = backupbuddy_core::php_runtime_test_results())) {
$tested_runtime_sofar = '';
$test_file = backupbuddy_core::getLogDirectory() . 'php_runtime_test.txt';
if (file_exists($test_file)) {
if (false !== ($tested_runtime = @file_get_contents($test_file))) {
if (is_numeric(trim($tested_runtime))) {
$tested_runtime_sofar = ' ' . $tested_runtime . ' ' . __('secs so far.', 'it-l10n-backupbuddy');
}
}
}
die(__('This may take a few minutes...', 'it-l10n-backupbuddy') . $tested_runtime_sofar);
} else {
die($results);
}
// Check if running PHP 5.3+.
$php_minimum = 5.3;
if (version_compare(PHP_VERSION, $php_minimum, '<')) {
// Server's PHP is insufficient.
echo '<br>';
pb_backupbuddy::alert('<h3>' . __('We have a problem...', 'it-l10n-backupbuddy') . '</h3><br>' . __('<span style="font-size:1.5em;font-weight:bold;">Uh oh!</span><br />BackupBuddy Stash Live requires PHP version 5.3 or newer to run. Please upgrade your PHP version or contact your host for details on upgrading.', 'it-l10n-backupbuddy') . ' ' . __('Current PHP version', 'it-l10n-backupbuddy') . ': ' . PHP_VERSION);
return;
}
if (!function_exists('curl_version')) {
echo '<br>';
pb_backupbuddy::alert('<h3>' . __('We have a problem...', 'it-l10n-backupbuddy') . '</h3><br>' . __('BackupBuddy Stash Live requires the PHP "curl" extension to run. Please install or contact your host to install curl. This is a standard extension and should be available on all hosts.', 'it-l10n-backupbuddy'));
return;
}
// No PHP runtime calculated yet. Try to see if test is finished.
if (0 == pb_backupbuddy::$options['tested_php_runtime']) {
backupbuddy_core::php_runtime_test_results();
}
$liveDestinationID = false;
foreach (pb_backupbuddy::$options['remote_destinations'] as $destination_id => $destination) {
if ('live' == $destination['type']) {
$liveDestinationID = $destination_id;
break;
}
}
// Handle disconnect.
if ('disconnect' == pb_backupbuddy::_GET('live_action') && false !== $liveDestinationID) {
// If disconnecting and not already disconnected.
$disconnected = false;
require_once pb_backupbuddy::plugin_path() . '/destinations/live/live_periodic.php';
require_once pb_backupbuddy::plugin_path() . '/destinations/stash2/class.itx_helper2.php';
$destination_settings = backupbuddy_live_periodic::get_destination_settings();
public static function run_periodic_process($preferredStep = '', $preferredStepArgs = array())
{
require_once pb_backupbuddy::plugin_path() . '/destinations/live/live.php';
$previous_status_serial = pb_backupbuddy::get_status_serial();
// Hold current serial.
pb_backupbuddy::set_status_serial('live_periodic');
// Redirect logging output to a certain log file.
global $wp_version;
$liveID = backupbuddy_live::getLiveID();
$logging_disabled = isset(pb_backupbuddy::$options['remote_destinations'][$liveID]['disable_logging']) && '1' == pb_backupbuddy::$options['remote_destinations'][$liveID]['disable_logging'];
if (!$logging_disabled) {
pb_backupbuddy::status('details', '-----');
pb_backupbuddy::status('details', 'Live periodic process starting with BackupBuddy v' . pb_backupbuddy::settings('version') . ' with WordPress v' . $wp_version . '.');
}
// Make sure we are not PAUSED.
if ('1' == pb_backupbuddy::$options['remote_destinations'][$liveID]['pause_periodic']) {
pb_backupbuddy::status('details', 'Aborting periodic process as it is currently PAUSED based on settings.');
// Undo log redirect.
pb_backupbuddy::set_status_serial($previous_status_serial);
return false;
}
// Logging disabled.
if ($logging_disabled) {
pb_backupbuddy::set_status_serial($previous_status_serial);
}
require_once pb_backupbuddy::plugin_path() . '/classes/core.php';
require_once pb_backupbuddy::plugin_path() . '/classes/fileoptions.php';
// Register a shutdown function to catch PHP errors and log them.
register_shutdown_function('backupbuddy_live_periodic::shutdown_function');
// Load state into self::$_state & fileoptions object into self::$_stateObj.
if (false === self::_load_state()) {
return false;
}
// No PHP runtime calculated yet. Try to see if test is finished.
if (0 == pb_backupbuddy::$options['tested_php_runtime']) {
backupbuddy_core::php_runtime_test_results();
}
// Update stats and save.
if (0 === self::$_state['step']['start_time']) {
self::$_state['step']['start_time'] = microtime(true);
}
self::$_state['step']['last_run_start'] = microtime(true);
// Load destination settings.
$destination_settings = self::get_destination_settings();
// If wait_on_transfers was the last step running and time limit has passed then we can start from the beginning.
if ('wait_on_transfers' == self::$_state['step']['function'] && self::$_state['stats']['wait_on_transfers_start'] > 0 && time() - self::$_state['stats']['wait_on_transfers_start'] > $destination_settings['max_wait_on_transfers_time'] * 60) {
pb_backupbuddy::status('warning', 'Ran out of max time (`' . round((time() - self::$_state['stats']['wait_on_transfers_start']) / 60) . '` of `' . $destination_settings['max_wait_on_transfers_time'] . '` max mins) waiting for pending transfers to finish. Resetting back to beginning of periodic process.');
self::$_state['step'] = self::$_stepDefaults;
// Clear step state.
}
// Increment attempts if running the same function exactly as before. Set preferredStep args if we are indeed on this step.
//sort( self::$_state['step']['args'] ); // Make sure order is same.
//sort( $preferredStepArgs ); // Make sure order is same.
if ('' == $preferredStep || self::$_state['step']['function'] == $preferredStep && self::$_state['step']['args'] == $preferredStepArgs) {
// If preferredStep is blank OR ( preferredStep matches next step AND arguments are the same ).
self::$_state['step']['attempts']++;
}
if ('' != $preferredStep) {
self::_set_next_step($preferredStep, $preferredStepArgs);
}
// If restart transient is set then restart the Live process all the way back to daily_init. This is done when settings are saved so they will take effect immediately.
if (false !== ($jump_step = get_transient('backupbuddy_live_jump'))) {
pb_backupbuddy::status('details', 'Restart transient exists. Clearing.');
delete_transient('backupbuddy_live_jump');
$jump_step_name = $jump_step[0];
$jump_step_args = array();
if (isset($jump_step[1]) && is_array($jump_step[1])) {
$jump_step_args = $jump_step[1];
}
self::_set_next_step($jump_step_name);
pb_backupbuddy::status('details', 'Reset next step to `' . $jump_step_name . '` with args `' . print_r($jump_step_args, true) . '` due to backupbuddy_live_jump transient.');
}
// Check if a manual snapshot is requested.
if (false !== get_transient('backupbuddy_live_snapshot')) {
pb_backupbuddy::status('details', 'Manual Live Snapshot requested.');
delete_transient('backupbuddy_live_snapshot');
self::_request_manual_snapshot();
}
// Set first activity (creation of Live basically).
if (0 == self::$_state['stats']['first_activity']) {
self::$_state['stats']['first_activity'] = time();
}
// Save attempt.
self::$_stateObj->save();
// Run step function and process results.
$schedule_next_step = false;
$start_time = microtime(true);
$run_function = self::$_state['step']['function'];
pb_backupbuddy::status('details', 'Starting Live periodic function `' . $run_function . '`.');
if (!is_callable('self::_step_' . $run_function)) {
pb_backupbuddy::status('error', 'Error #439347494: Invalid step called: `' . $run_function . '` Unknown function: `self::_step_' . $run_function . '`.');
}
$function_response = call_user_func_array('self::_step_' . $run_function, self::$_state['step']['args']);
// Run step function. Returns true on success, string error message on fatal failure, and array( 'status message', array( ARGS ) ) when chunking back to same step.
self::$_state['step']['last_run_finish'] = microtime(true);
self::$_state['stats']['last_activity'] = microtime(true);
pb_backupbuddy::status('details', 'Ended Live periodic function `' . $run_function . '`.');
// Process stepfunction results.
if (is_array($function_response)) {
// Chunking back to same step since we got an array. Index 0 = last_status, index 1 = args. Keeps same step function.
$schedule_next_step = true;
self::$_state['step']['chunks']++;
self::$_state['step']['last_status'] = $function_response[0];
self::$_state['step']['args'] = $function_response[1];
pb_backupbuddy::status('details', 'Function needs chunked.');
if ('update_files_list' != $run_function && pb_backupbuddy::$options['log_level'] == '3') {
// Full logging enabled. Hide for update_files_list function due to its huge size.
pb_backupbuddy::status('details', 'Response args due to logging level: `' . print_r($function_response, true) . '`.');
}
} elseif (is_string($function_response)) {
// Fatal error.
pb_backupbuddy::status('error', 'Error #32893283: One or more errors encountered running Live step function. Details: `' . $function_response . '`. See log above for more details.');
backupbuddy_core::addNotification('live_error', 'BackupBuddy Stash Live Error', $function_response);
if (FALSE === stristr($function_response, 'Error')) {
// Make sure error-prefixed if not.
$function_response = 'Error #489348: ' . $function_response;
}
self::$_state['step']['last_status'] = $function_response;
} elseif (true === $function_response) {
// Success finishing this step.
// Interupted by a jump for the next step.
if (false !== ($jump_step = get_transient('backupbuddy_live_jump'))) {
pb_backupbuddy::status('details', 'Restart transient exists. Clearing.');
delete_transient('backupbuddy_live_jump');
$jump_step_name = $jump_step[0];
$jump_step_args = array();
if (isset($jump_step[1]) && is_array($jump_step[1])) {
$jump_step_args = $jump_step[1];
}
self::_set_next_step($jump_step_name);
pb_backupbuddy::status('details', 'Reset next step to `' . $jump_step_name . '` with args `' . print_r($jump_step_args, true) . '` due to backupbuddy_live_jump transient.');
$schedule_next_step = true;
} else {
// Normal next step running (if any).
if (!isset(self::$_nextFunction[$run_function])) {
$schedule_next_step = false;
pb_backupbuddy::status('details', 'Function reported success. No more Live steps to directly run. Finishing until next periodic restart.');
self::$_state['step'] = self::$_stepDefaults;
// Clear step state.
} else {
$schedule_next_step = true;
$nextFunction = self::$_nextFunction[$run_function];
self::_set_next_step($nextFunction);
pb_backupbuddy::status('details', 'Function reported success. Scheduled next function to run, `' . $nextFunction . '`.');
}
}
} elseif (false === $function_response) {
pb_backupbuddy::status('error', 'Error #3298338: Live (periodic) function `' . $run_function . '` failed without error message. Ending Live periodic process for this run without running more steps. See log above for details.');
$schedule_next_step = false;
} else {
// Unknown response.
pb_backupbuddy::status('error', 'Error #98238392: Unknown periodic Live step function response `' . print_r($function_response, true) . '` for function `' . $run_function . '`. Fatal error.');
backupbuddy_core::addNotification('live_error', 'BackupBuddy Stash Live Error', $function_response);
self::$_state['step']['last_status'] = 'Error: ' . $function_response;
$schedule_next_step = false;
}
// Save state.
self::$_stateObj->save();
// Unlock fileoptions files if any remain locked.
if (is_object(self::$_stateObj)) {
self::$_stateObj->unlock();
}
if (is_object(self::$_catalogObj)) {
self::$_catalogObj->unlock();
}
if (is_object(self::$_tablesObj)) {
self::$_tablesObj->unlock();
}
// Schedule the next step in the WP cron to run whichever step has been set in the state.
if (true === $schedule_next_step) {
pb_backupbuddy::status('details', 'Scheduling next step.');
// Schedule to run Live one more time for next chunk.
$cronArgs = array();
$schedule_result = backupbuddy_core::schedule_single_event(time() - 60, 'live_periodic', $cronArgs);
// Schedules 60sec in the past to push near the top. Traditional backup process is 155sec in the past for first priority.
if (true === $schedule_result) {
pb_backupbuddy::status('details', 'Next Live Periodic chunk step cron event scheduled.');
} else {
pb_backupbuddy::status('error', 'Next Live Periodic chunk step cron event FAILED to be scheduled.');
}
// Only chains the first cron.
if ('1' != pb_backupbuddy::$options['skip_spawn_cron_call']) {
pb_backupbuddy::status('details', 'Spawning cron now.');
update_option('_transient_doing_cron', 0);
// Prevent cron-blocking for next item.
spawn_cron(time() + 150);
// Adds > 60 seconds to get around once per minute cron running limit.
}
// Schedule cron kicker (detects if it has not been too soon so we can call this judicously).
self::_request_kick_cron();
} else {
// Nothing left to do for now. Take a nap and wait until the next time that the periodic functionality launches and starts the process all over again.
pb_backupbuddy::status('details', 'No more steps remain for this run. Not scheduling next step.');
}
// Undo log redirect.
pb_backupbuddy::set_status_serial($previous_status_serial);
return true;
}
