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<?php
/*
* This file is part of composer/xdebug-handler.
*
* (c) Composer <https://github.com/composer>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace Composer\XdebugHandler;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
/**
* @author John Stevenson <john-stevenson@blueyonder.co.uk>
* @internal
*/
class Status
{
const ENV_RESTART = 'XDEBUG_HANDLER_RESTART';
const CHECK = 'Check';
const ERROR = 'Error';
const INFO = 'Info';
const NORESTART = 'NoRestart';
const RESTART = 'Restart';
const RESTARTING = 'Restarting';
const RESTARTED = 'Restarted';
private $debug;
private $envAllowXdebug;
private $loaded;
private $logger;
private $time;
/**
* Constructor
*
* @param string $envAllowXdebug Prefixed _ALLOW_XDEBUG name
* @param bool $debug Whether debug output is required
*/
public function __construct($envAllowXdebug, $debug)
{
$start = getenv(self::ENV_RESTART);
Process::setEnv(self::ENV_RESTART);
$this->time = $start ? round((microtime(true) - $start) * 1000) : 0;
$this->envAllowXdebug = $envAllowXdebug;
$this->debug = $debug && defined('STDERR');
}
/**
* @param LoggerInterface $logger
*/
public function setLogger(LoggerInterface $logger)
{
$this->logger = $logger;
}
/**
* Calls a handler method to report a message
*
* @param string $op The handler constant
* @param null|string $data Data required by the handler
*/
public function report($op, $data)
{
if ($this->logger || $this->debug) {
call_user_func(array($this, 'report'.$op), $data);
}
}
/**
* Outputs a status message
*
* @param string $text
* @param string $level
*/
private function output($text, $level = null)
{
if ($this->logger) {
$this->logger->log($level ?: LogLevel::DEBUG, $text);
}
if ($this->debug) {
fwrite(STDERR, sprintf('xdebug-handler[%d] %s', getmypid(), $text.PHP_EOL));
}
}
private function reportCheck($loaded)
{
$this->loaded = $loaded;
$this->output('Checking '.$this->envAllowXdebug);
}
private function reportError($error)
{
$this->output(sprintf('No restart (%s)', $error), LogLevel::WARNING);
}
private function reportInfo($info)
{
$this->output($info);
}
private function reportNoRestart()
{
$this->output($this->getLoadedMessage());
if ($this->loaded) {
$text = sprintf('No restart (%s)', $this->getEnvAllow());
if (!getenv($this->envAllowXdebug)) {
$text .= ' Allowed by application';
}
$this->output($text);
}
}
private function reportRestart()
{
$this->output($this->getLoadedMessage());
Process::setEnv(self::ENV_RESTART, (string) microtime(true));
}
private function reportRestarted()
{
$loaded = $this->getLoadedMessage();
$text = sprintf('Restarted (%d ms). %s', $this->time, $loaded);
$level = $this->loaded ? LogLevel::WARNING : null;
$this->output($text, $level);
}
private function reportRestarting($command)
{
$text = sprintf('Process restarting (%s)', $this->getEnvAllow());
$this->output($text);
$text = 'Running '.$command;
$this->output($text);
}
/**
* Returns the _ALLOW_XDEBUG environment variable as name=value
*
* @return string
*/
private function getEnvAllow()
{
return $this->envAllowXdebug.'='.getenv($this->envAllowXdebug);
}
/**
* Returns the Xdebug status and version
*
* @return string
*/
private function getLoadedMessage()
{
$loaded = $this->loaded ? sprintf('loaded (%s)', $this->loaded) : 'not loaded';
return 'The Xdebug extension is '.$loaded;
}
}
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