PhabricatorDaemonReference.php
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	<?php

	/*
	* Copyright 2011 Facebook, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	final class PhabricatorDaemonReference {

	private $name;
	private $pid;
	private $start;
	private $pidFile;

	public static function newFromDictionary(array $dict) {
	$ref = new PhabricatorDaemonReference();

	$ref->name = idx($dict, 'name', 'Unknown');
	$ref->pid = idx($dict, 'pid');
	$ref->start = idx($dict, 'start');

	return $ref;
	}

	public function getPID() {
	return $this->pid;
	}

	public function getName() {
	return $this->name;
	}

	public function getEpochStarted() {
	return $this->start;
	}

	public function setPIDFile($pid_file) {
	$this->pidFile = $pid_file;
	return $this;
	}

	public function getPIDFile() {
	return $this->pidFile;
	}

	public function isRunning() {
	$pid = $this->getPID();
	if (!$pid) {
	return false;
	}
	return posix_kill($pid, 0);
	}

	public function waitForExit($seconds) {
	$start = time();
	while (time() < $start + $seconds) {
	usleep(100000);
	if (!$this->isRunning()) {
	return true;
	}
	}
	return !$this->isRunning();
	}

	}