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David Stone
2024-11-30 18:24:12 -07:00
commit e8f7955c1c
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197
dependencies/amphp/amp/lib/Loop/TracingDriver.php vendored Normal file
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<?php
namespace WP_Ultimo\Dependencies\Amp\Loop;
use function WP_Ultimo\Dependencies\Amp\Internal\formatStacktrace;
final class TracingDriver extends Driver
{
/** @var Driver */
private $driver;
/** @var true[] */
private $enabledWatchers = [];
/** @var true[] */
private $unreferencedWatchers = [];
/** @var string[] */
private $creationTraces = [];
/** @var string[] */
private $cancelTraces = [];
public function __construct(Driver $driver)
{
$this->driver = $driver;
}
public function run()
{
$this->driver->run();
}
public function stop()
{
$this->driver->stop();
}
public function defer(callable $callback, $data = null) : string
{
$id = $this->driver->defer(function (...$args) use($callback) {
$this->cancel($args[0]);
return $callback(...$args);
}, $data);
$this->creationTraces[$id] = formatStacktrace(\debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS));
$this->enabledWatchers[$id] = \true;
return $id;
}
public function delay(int $delay, callable $callback, $data = null) : string
{
$id = $this->driver->delay($delay, function (...$args) use($callback) {
$this->cancel($args[0]);
return $callback(...$args);
}, $data);
$this->creationTraces[$id] = formatStacktrace(\debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS));
$this->enabledWatchers[$id] = \true;
return $id;
}
public function repeat(int $interval, callable $callback, $data = null) : string
{
$id = $this->driver->repeat($interval, $callback, $data);
$this->creationTraces[$id] = formatStacktrace(\debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS));
$this->enabledWatchers[$id] = \true;
return $id;
}
public function onReadable($stream, callable $callback, $data = null) : string
{
$id = $this->driver->onReadable($stream, $callback, $data);
$this->creationTraces[$id] = formatStacktrace(\debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS));
$this->enabledWatchers[$id] = \true;
return $id;
}
public function onWritable($stream, callable $callback, $data = null) : string
{
$id = $this->driver->onWritable($stream, $callback, $data);
$this->creationTraces[$id] = formatStacktrace(\debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS));
$this->enabledWatchers[$id] = \true;
return $id;
}
public function onSignal(int $signo, callable $callback, $data = null) : string
{
$id = $this->driver->onSignal($signo, $callback, $data);
$this->creationTraces[$id] = formatStacktrace(\debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS));
$this->enabledWatchers[$id] = \true;
return $id;
}
public function enable(string $watcherId)
{
try {
$this->driver->enable($watcherId);
$this->enabledWatchers[$watcherId] = \true;
} catch (InvalidWatcherError $e) {
throw new InvalidWatcherError($watcherId, $e->getMessage() . "\r\n\r\n" . $this->getTraces($watcherId));
}
}
public function cancel(string $watcherId)
{
$this->driver->cancel($watcherId);
if (!isset($this->cancelTraces[$watcherId])) {
$this->cancelTraces[$watcherId] = formatStacktrace(\debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS));
}
unset($this->enabledWatchers[$watcherId], $this->unreferencedWatchers[$watcherId]);
}
public function disable(string $watcherId)
{
$this->driver->disable($watcherId);
unset($this->enabledWatchers[$watcherId]);
}
public function reference(string $watcherId)
{
try {
$this->driver->reference($watcherId);
unset($this->unreferencedWatchers[$watcherId]);
} catch (InvalidWatcherError $e) {
throw new InvalidWatcherError($watcherId, $e->getMessage() . "\r\n\r\n" . $this->getTraces($watcherId));
}
}
public function unreference(string $watcherId)
{
$this->driver->unreference($watcherId);
$this->unreferencedWatchers[$watcherId] = \true;
}
public function setErrorHandler(callable $callback = null)
{
return $this->driver->setErrorHandler($callback);
}
/** @inheritdoc */
public function getHandle()
{
$this->driver->getHandle();
}
public function dump() : string
{
$dump = "Enabled, referenced watchers keeping the loop running: ";
foreach ($this->enabledWatchers as $watcher => $_) {
if (isset($this->unreferencedWatchers[$watcher])) {
continue;
}
$dump .= "Watcher ID: " . $watcher . "\r\n";
$dump .= $this->getCreationTrace($watcher);
$dump .= "\r\n\r\n";
}
return \rtrim($dump);
}
public function getInfo() : array
{
return $this->driver->getInfo();
}
public function __debugInfo()
{
return $this->driver->__debugInfo();
}
public function now() : int
{
return $this->driver->now();
}
protected function error(\Throwable $exception)
{
$this->driver->error($exception);
}
/**
* @inheritdoc
*
* @return void
*/
protected function activate(array $watchers)
{
// nothing to do in a decorator
}
/**
* @inheritdoc
*
* @return void
*/
protected function dispatch(bool $blocking)
{
// nothing to do in a decorator
}
/**
* @inheritdoc
*
* @return void
*/
protected function deactivate(Watcher $watcher)
{
// nothing to do in a decorator
}
private function getTraces(string $watcherId) : string
{
return "Creation Trace:\r\n" . $this->getCreationTrace($watcherId) . "\r\n\r\n" . "Cancellation Trace:\r\n" . $this->getCancelTrace($watcherId);
}
private function getCreationTrace(string $watcher) : string
{
if (!isset($this->creationTraces[$watcher])) {
return 'No creation trace, yet.';
}
return $this->creationTraces[$watcher];
}
private function getCancelTrace(string $watcher) : string
{
if (!isset($this->cancelTraces[$watcher])) {
return 'No cancellation trace, yet.';
}
return $this->cancelTraces[$watcher];
}
}