SwooleTW\Http\Server\PidManager

Complexity

Total Complexity

9

Size/Duplication

Total Lines	66
Duplicated Lines	0 %

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	delete()	0	7	2
A	write()	0	7	3
A	file()	0	3	1
A	read()	0	10	2

<?php

namespace SwooleTW\Http\Server;

class PidManager
{
	/**
	 * @var string
	 */
	private $pidFile = '';

	public function __construct(string $pidFile)
	{
		$this->pidFile = $pidFile;
	}

	/**
	 * Write master pid and manager pid to pid file
	 *
	 * @throws \RuntimeException When $pidFile is not writable
	 */
	public function write(int $masterPid, int $managerPid): void
	{
		if (! is_writable($this->pidFile) && ! is_writable(dirname($this->pidFile))) {
			throw new \RuntimeException(sprintf('Pid file "%s" is not writable', $this->pidFile));
		}

		file_put_contents($this->pidFile, $masterPid . ',' . $managerPid);
	}

	/**
	 * Read master pid and manager pid from pid file
	 *
	 * @return string[] {
	 *	 @var string $masterPid
	 *	 @var string $managerPid
	 * }
	 */
	public function read(): array
	{
		$pids = [];

		if (is_readable($this->pidFile)) {
			$content = file_get_contents($this->pidFile);
			$pids = explode(',', $content);
		}

		return $pids;
	}

	/**
	 * Gets pid file path.
	 *
	 * @return string
	 */
	public function file()
	{
		return $this->pidFile;
	}

	/**
	 * Delete pid file
	 */
	public function delete(): bool
	{
		if (is_writable($this->pidFile)) {
			return unlink($this->pidFile);
		}

		return false;
	}
}