/**
* Helper to purge an array of $urls
* @param array $urls List of URLS to purge from squids
*/
private function sendPurgeRequest($urls)
{
if ($this->hasOption('delay')) {
$delay = floatval($this->getOption('delay'));
foreach ($urls as $url) {
if ($this->hasOption('verbose')) {
$this->output($url . "\n");
}
$u = new CdnCacheUpdate(array($url));
$u->doUpdate();
usleep($delay * 1000000.0);
}
} else {
if ($this->hasOption('verbose')) {
$this->output(implode("\n", $urls) . "\n");
}
$u = new CdnCacheUpdate($urls);
$u->doUpdate();
}
}
public function execute()
{
global $wgHTCPRouting;
if ($this->hasOption('htcp-dest')) {
$parts = explode(':', $this->getOption('htcp-dest'));
if (count($parts) < 2) {
// Add default htcp port
$parts[] = '4827';
}
// Route all HTCP messages to provided host:port
$wgHTCPRouting = ['' => ['host' => $parts[0], 'port' => $parts[1]]];
if ($this->hasOption('verbose')) {
$this->output("HTCP broadcasts to {$parts[0]}:{$parts[1]}\n");
}
}
$dbr = $this->getDB(DB_REPLICA);
$minTime = $dbr->timestamp($this->getOption('starttime'));
$maxTime = $dbr->timestamp($this->getOption('endtime'));
if ($maxTime < $minTime) {
$this->error("\nERROR: starttime after endtime\n");
$this->maybeHelp(true);
}
$stuckCount = 0;
// loop breaker
while (true) {
// Adjust bach size if we are stuck in a second that had many changes
$bSize = $this->mBatchSize + $stuckCount * $this->mBatchSize;
$res = $dbr->select(['page', 'revision'], ['rev_timestamp', 'page_namespace', 'page_title'], ["rev_timestamp > " . $dbr->addQuotes($minTime), "rev_timestamp <= " . $dbr->addQuotes($maxTime), "page_latest = rev_id"], __METHOD__, ['ORDER BY' => 'rev_timestamp', 'LIMIT' => $bSize], ['page' => ['INNER JOIN', 'rev_page=page_id']]);
if (!$res->numRows()) {
// nothing more found so we are done
break;
}
// Kludge to not get stuck in loops for batches with the same timestamp
list($rows, $lastTime) = $this->pageableSortedRows($res, 'rev_timestamp', $bSize);
if (!count($rows)) {
++$stuckCount;
continue;
}
// Reset suck counter
$stuckCount = 0;
$this->output("Processing changes from {$minTime} to {$lastTime}.\n");
// Advance past the last row next time
$minTime = $lastTime;
// Create list of URLs from page_namespace + page_title
$urls = [];
foreach ($rows as $row) {
$title = Title::makeTitle($row->page_namespace, $row->page_title);
$urls[] = $title->getInternalURL();
}
if ($this->hasOption('dry-run') || $this->hasOption('verbose')) {
$this->output(implode("\n", $urls) . "\n");
if ($this->hasOption('dry-run')) {
continue;
}
}
// Send batch of purge requests out to squids
$squid = new CdnCacheUpdate($urls, count($urls));
$squid->doUpdate();
if ($this->hasOption('sleep-per-batch')) {
// sleep-per-batch is milliseconds, usleep wants micro seconds.
usleep(1000 * (int) $this->getOption('sleep-per-batch'));
}
}
$this->output("Done!\n");
}
