public function assertNProcessRunning(QueueInterface &$queue, Processes &$processes = null)
{
$parallelProcesses = max(1, min($queue->count(), $this->maxNumberOfParallelProcesses));
if (null === $processes) {
$channelsEmpty = range(1, $parallelProcesses);
$processes = new Processes(array());
if (false !== $this->beforeCommand && null !== $this->beforeCommand) {
return $this->createProcessesForTheBeforeCommand($channelsEmpty, $processes);
}
} else {
$channelsEmpty = $processes->getIndexesOfCompletedChannel();
}
if (count($channelsEmpty) == 0) {
usleep(100);
return true;
}
foreach ($channelsEmpty as $currentChannel) {
if ($queue->isEmpty()) {
return false;
}
$currentProcessNumber = $this->getCurrentProcessCounter();
$this->incrementForThisChannel($currentChannel);
$process = $this->processFactory->createAProcess($queue->pop(), $currentChannel, $currentProcessNumber, $this->isFirstForThisChannel($currentChannel));
$processes->add($currentChannel, $process);
$processes->start($currentChannel);
}
return true;
}
public function renderBody(QueueInterface $queue, Processes $processes)
{
$now = $queue->count();
$errorCount = $processes->countErrors();
if ($errorCount > 0) {
$this->bar->setBarCharacter('<error>=</error>');
$this->writeMessage(sprintf("<error>%d</error> failures.", $errorCount), 'number');
}
if ($this->last != $now) {
$this->bar->advance($this->last - $now);
}
$this->last = $now;
return $errorCount;
}
/**
* @param InputInterface $input
* @param OutputInterface $output
* @param QueueInterface $queue
* @param ProcessesManager $processManager
* @return array
*/
private function doExecute(InputInterface $input, OutputInterface $output, QueueInterface $queue, ProcessesManager $processManager)
{
$processes = null;
if ($this->isVerbose($output)) {
$progressBar = new VerboseRenderer($queue->count(), $this->hasErrorSummary($input), $output, $processManager->getNumberOfProcessExecutedByTheBeforeCommand());
} else {
$progressBar = new ProgressBarRenderer($queue->count(), $this->hasErrorSummary($input), $output, $this->getHelper('progress'), $processManager->getNumberOfProcessExecutedByTheBeforeCommand());
}
$progressBar->renderHeader($queue);
while ($processManager->assertNProcessRunning($queue, $processes)) {
$progressBar->renderBody($queue, $processes);
}
/**
* @var Processes $processes
*/
$processes->cleanUP();
//it is not getting called with -p1 after the last process otherwise
$processes->wait(function () use($progressBar, $queue, $processes) {
$progressBar->renderBody($queue, $processes);
});
$progressBar->renderFooter($queue, $processes);
return $processes;
}