+++ /dev/null
-<?php
-/**
- * @file
- * Drupal 6 engine for the Batch API
- */
-
-use Drush\Log\LogLevel;
-
-/**
- * Main loop for the Drush batch API.
- *
- * Saves a record of the batch into the database, and progressively call $command to
- * process the operations.
- *
- * @param command
- * The command to call to process the batch.
- *
- */
-function _drush_backend_batch_process($command = 'batch-process', $args, $options) {
- $batch =& batch_get();
-
- if (isset($batch)) {
- $process_info = array(
- 'current_set' => 0,
- );
- $batch += $process_info;
-
- // Initiate db storage in order to get a batch id. We have to provide
- // at least an empty string for the (not null) 'token' column.
- db_query("INSERT INTO {batch} (token, timestamp) VALUES ('', %d)", time());
- $batch['id'] = db_last_insert_id('batch', 'bid');
- $args[] = $batch['id'];
-
- // Actually store the batch data and the token generated form the batch id.
- db_query("UPDATE {batch} SET token = '%s', batch = '%s' WHERE bid = %d", drupal_get_token($batch['id']), serialize($batch), $batch['id']);
-
- $finished = FALSE;
-
- while (!$finished) {
- $data = drush_invoke_process('@self', $command, $args, $options);
- $finished = drush_get_error() || !$data || (isset($data['context']['drush_batch_process_finished']) && $data['context']['drush_batch_process_finished'] == TRUE);
- }
- }
-}
-
-/**
- * Initialize the batch command and call the worker function.
- *
- * Loads the batch record from the database and sets up the requirements
- * for the worker, such as registering the shutdown function.
- *
- * @param id
- * The batch id of the batch being processed.
- */
-function _drush_batch_command($id) {
- $batch =& batch_get();
- // Retrieve the current state of batch from db.
- if ($data = db_result(db_query("SELECT batch FROM {batch} WHERE bid = %d", $id))) {
- $batch = unserialize($data);
- }
- else {
- return FALSE;
- }
- if (!isset($batch['running'])) {
- $batch['running'] = TRUE;
- }
-
- // Register database update for end of processing.
- register_shutdown_function('_drush_batch_shutdown');
-
- if (_drush_batch_worker()) {
- _drush_batch_finished();
- }
-}
-
-/**
- * Process batch operations
- *
- * Using the current $batch process each of the operations until the batch
- * has been completed or half of the available memory for the process has been
- * reached.
- */
-function _drush_batch_worker() {
- $batch =& batch_get();
- $current_set =& _batch_current_set();
- $set_changed = TRUE;
-
- timer_start('batch_processing');
-
- while (!$current_set['success']) {
- // If this is the first time we iterate this batch set in the current
- // request, we check if it requires an additional file for functions
- // definitions.
- if ($set_changed && isset($current_set['file']) && is_file($current_set['file'])) {
- include_once($current_set['file']);
- }
-
- $finished = 1;
- $task_message = '';
- if ((list($function, $args) = reset($current_set['operations'])) && function_exists($function)) {
- // Build the 'context' array, execute the function call,
- // and retrieve the user message.
- $batch_context = array('sandbox' => &$current_set['sandbox'], 'results' => &$current_set['results'], 'finished' => &$finished, 'message' => &$task_message);
- // Magic wrap to catch changes to 'message' key.
- $batch_context = new DrushBatchContext($batch_context);
- // Process the current operation.
- call_user_func_array($function, array_merge($args, array(&$batch_context)));
- $finished = $batch_context['finished'];
- }
-
- if ($finished >= 1) {
- // Make sure this step isn't counted double when computing $current.
- $finished = 0;
- // Remove the operation and clear the sandbox.
- array_shift($current_set['operations']);
- $current_set['sandbox'] = array();
- }
-
- // If the batch set is completed, browse through the remaining sets,
- // executing 'control sets' (stored form submit handlers) along the way -
- // this might in turn insert new batch sets.
- // Stop when we find a set that actually has operations.
- $set_changed = FALSE;
- $old_set = $current_set;
- while (empty($current_set['operations']) && ($current_set['success'] = TRUE) && _batch_next_set()) {
- $current_set =& _batch_current_set();
- $set_changed = TRUE;
- }
- // At this point, either $current_set is a 'real' batch set (has operations),
- // or all sets have been completed.
-
-
- // TODO - replace with memory check!
- // If we're in progressive mode, stop after 1 second.
- if ((memory_get_usage() * 2) >= drush_memory_limit()) {
- drush_log(dt("Batch process has consumed in excess of 50% of available memory. Starting new thread"), LogLevel::BATCH);
- break;
- }
- }
-
- // Gather progress information.
-
- // Reporting 100% progress will cause the whole batch to be considered
- // processed. If processing was paused right after moving to a new set,
- // we have to use the info from the new (unprocessed) one.
- if ($set_changed && isset($current_set['operations'])) {
- // Processing will continue with a fresh batch set.
- $remaining = count($current_set['operations']);
- $total = $current_set['total'];
- $task_message = '';
- }
- else {
- $remaining = count($old_set['operations']);
- $total = $old_set['total'];
- }
-
- $current = $total - $remaining + $finished;
- $percentage = $total ? floor($current / $total * 100) : 100;
-
- return ($percentage == 100);
-}
-
-/**
- * End the batch processing:
- * Call the 'finished' callbacks to allow custom handling of results,
- * and resolve page redirection.
- */
-function _drush_batch_finished() {
- $batch =& batch_get();
-
- // Execute the 'finished' callbacks for each batch set.
- foreach ($batch['sets'] as $key => $batch_set) {
- if (isset($batch_set['finished'])) {
- // Check if the set requires an additional file for functions definitions.
- if (isset($batch_set['file']) && is_file($batch_set['file'])) {
- include_once($batch_set['file']);
- }
- if (function_exists($batch_set['finished'])) {
- $batch_set['finished']($batch_set['success'], $batch_set['results'], $batch_set['operations']);
- }
- }
- }
-
- // Cleanup the batch table and unset the global $batch variable.
- db_query("DELETE FROM {batch} WHERE bid = %d", $batch['id']);
- $_batch = $batch;
- $batch = NULL;
- drush_set_option('drush_batch_process_finished', TRUE);
-}
-
-/**
- * Shutdown function: store the batch data for next request,
- * or clear the table if the batch is finished.
- */
-function _drush_batch_shutdown() {
- if ($batch = batch_get()) {
- db_query("UPDATE {batch} SET batch = '%s' WHERE bid = %d", serialize($batch), $batch['id']);
- }
-}
projects / yaffs-website / blobdiff