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Processes statistic collection fully rewrited. Now all the statistics…
… about the all processes collected in master process now. Workers send it asyncroniuosly each time that some information updated.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| <?php | ||
|
|
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| declare(strict_types=1); | ||
|
|
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| namespace Luzrain\PHPStreamServer\Internal\InterprocessPipe; | ||
|
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| use Revolt\EventLoop; | ||
|
|
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| final class Interprocess | ||
| { | ||
| private const READ_BUFFER = 65536; | ||
|
|
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| /** | ||
| * @var resource | ||
| */ | ||
| private mixed $readerResource; | ||
|
|
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| /** | ||
| * @var resource | ||
| */ | ||
| private mixed $writerResource; | ||
|
|
||
| /** | ||
| * @var array<\Closure> | ||
| */ | ||
| private array $subscribers = []; | ||
|
|
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| private string $readBuffer = ''; | ||
|
|
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| private string $writeBuffer = ''; | ||
|
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| private string $callbackId; | ||
|
|
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| public function __construct() | ||
| { | ||
| [$this->readerResource, $this->writerResource] = \stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM, STREAM_IPPROTO_IP); | ||
|
|
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| \stream_set_blocking($this->readerResource, false); | ||
| \stream_set_blocking($this->writerResource, false); | ||
| \stream_set_read_buffer($this->readerResource, 0); | ||
| \stream_set_write_buffer($this->writerResource, 0); | ||
|
|
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| EventLoop::onReadable($this->readerResource, function () { | ||
| foreach ($this->read() as $payload) { | ||
| /** @var object $message */ | ||
| $message = \unserialize($payload); | ||
| foreach ($this->subscribers[$message::class] ?? [] as $subscriber) { | ||
| $subscriber($message); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * @return \Generator<object> | ||
| */ | ||
| private function read(): \Generator | ||
| { | ||
| while (false !== $chunk = \stream_get_line($this->readerResource, self::READ_BUFFER, "\r\n")) { | ||
| if (\str_ends_with($chunk, 'END')) { | ||
| yield \substr($this->readBuffer . $chunk, 0, -3); | ||
| $this->readBuffer = ''; | ||
| } else { | ||
| $this->readBuffer .= $chunk; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * @param non-empty-string $bytes | ||
| */ | ||
| private function write(string $bytes): void | ||
| { | ||
| if ($this->writeBuffer !== '') { | ||
| $this->writeBuffer .= $bytes; | ||
|
|
||
| return; | ||
| } | ||
|
|
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| $length = \strlen($bytes); | ||
| $written = (int) \fwrite($this->writerResource, $bytes); | ||
|
|
||
| if ($length === $written) { | ||
| return; | ||
| } | ||
|
|
||
| if (!isset($this->callbackId)) { | ||
| $writeBuffer = &$this->writeBuffer; | ||
| $this->callbackId = EventLoop::disable(EventLoop::onWritable( | ||
| $this->writerResource, | ||
| static function ($callbackId, $writeResource) use (&$writeBuffer) { | ||
| $written = (int) \fwrite($writeResource, $writeBuffer); | ||
| $writeBuffer = \substr($writeBuffer, $written); | ||
| if ($writeBuffer === '') { | ||
| EventLoop::disable($callbackId); | ||
| } | ||
| }, | ||
| )); | ||
| } | ||
|
|
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| $this->writeBuffer = \substr($bytes, $written); | ||
| EventLoop::enable($this->callbackId); | ||
| } | ||
|
|
||
| /** | ||
| * @return \Closure(object): void | ||
| */ | ||
| public function createPublisherForWorkerProcess(): \Closure | ||
| { | ||
| $this->subscribers = []; | ||
|
|
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| return function (object $message): void { | ||
| $this->write(\serialize($message) . "END\r\n"); | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * @template T of object | ||
| * @param class-string<T> $class | ||
| * @param \Closure(T): void $closure | ||
| */ | ||
| public function subscribe(string $class, \Closure $closure): void | ||
| { | ||
| $this->subscribers[$class][] = $closure; | ||
| } | ||
| } |
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