Network::ephimeral_port() - Code Metrics - Inspection of "Add support for Symfony 3 components" - OpenBuildings/spiderling - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#20)

by Haralan

created 2016-08-27 08:01 UTC

Network::ephimeral_port() A

↳ Parent: Network

Complexity

Conditions	2
Paths	1

Size

Total Lines	7
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	1
CRAP Score	4.048

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	7
ccs	1
cts	5
cp	0.2
rs	9.4285
cc	2
eloc	5
nc	1
nop	4
crap	4.048

<?php

namespace Openbuildings\Spiderling;

/**
 * Network helper for deailng with ports
 *
 * @package    Openbuildings\Spiderling
 * @author     Ivan Kerin
 * @copyright  (c) 2013 OpenBuildings Ltd.
 * @license    http://spdx.org/licenses/BSD-3-Clause
 */
class Network {

	/**
	 * Check if a port is open
	 * @param  string  $host
	 * @param  integer  $port
	 * @return boolean
	 */
	public static function is_port_open($host, $port)
	{
		$connection = @fsockopen($host, $port);
		if (is_resource($connection))
		{
			fclose($connection);
			return FALSE;
		}
		return TRUE;
	}

	/**
	 * Find an open port in a given range, trying several times.
	 * Return FALSE if no open port is found after a timeout (1 second by default)
	 *
	 * @param  string  $host
	 * @param  integer $range_start
	 * @param  integer $range_end
	 * @param  integer $timeout
	 * @return integer|boolean
	 */
	public static function ephimeral_port($host, $range_start = 1000, $range_end = 5000, $timeout = 1000)
	{
		return Attempt::make(function() use ($host, $range_start, $range_end) {
			$port = rand($range_start, $range_end);
			return Network::is_port_open($host, $port) ? $port : FALSE;
		}, $timeout);
	}
}


1		<?php
2
3		namespace Openbuildings\Spiderling;
4
5		/**
6		* Network helper for deailng with ports
7		*
8		* @package Openbuildings\Spiderling
9		* @author Ivan Kerin
10		* @copyright (c) 2013 OpenBuildings Ltd.
11		* @license http://spdx.org/licenses/BSD-3-Clause
12		*/
13		class Network {
14
15		/**
16		* Check if a port is open
17		* @param string $host
18		* @param integer $port
19		* @return boolean
20		*/
21		public static function is_port_open($host, $port)
22		{
23		$connection = @fsockopen($host, $port);
24		if (is_resource($connection))
25		{
26		fclose($connection);
27		return FALSE;
28		}
29		return TRUE;
30		}
31
32		/**
33		* Find an open port in a given range, trying several times.
34		* Return FALSE if no open port is found after a timeout (1 second by default)
35		*
36		* @param string $host
37		* @param integer $range_start
38		* @param integer $range_end
39		* @param integer $timeout
40		* @return integer\|boolean
41		*/
42		public static function ephimeral_port($host, $range_start = 1000, $range_end = 5000, $timeout = 1000)
43		{
44		return Attempt::make(function() use ($host, $range_start, $range_end) {
45		$port = rand($range_start, $range_end);
46		return Network::is_port_open($host, $port) ? $port : FALSE;
47		}, $timeout);
48	2	}
49		}
50

OpenBuildings / spiderling

Pull Request — master (#20)

Network::ephimeral_port() A

Complexity

Size

Duplication

Code Coverage

Importance

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