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vendor/ | ||
build/ | ||
composer.lock | ||
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*.bak | ||
*.old | ||
*~ | ||
*.swp | ||
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language: php | ||
php: | ||
- 5.5 | ||
- 5.4 | ||
- 5.3 | ||
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before_script: | ||
- curl -s http://getcomposer.org/installer | php | ||
- php composer.phar install --dev --no-interaction | ||
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script: | ||
- php vendor/bin/phpunit --bootstrap tests/bootstrap.php --coverage-clover build/logs/clover.xml tests && php vendor/bin/coveralls -v | ||
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{ | ||
"name": "dooaki/net-empty_port", | ||
"type": "library", | ||
"description": "find a free TCP/UDP port", | ||
"keywords": ["net", "socket", "tcp", "udp"], | ||
"homepage": "https://github.com/do-aki/Net-EmptyPort", | ||
"license": "MIT", | ||
"authors": [ | ||
{ | ||
"name": "do_aki", | ||
"email": "do.hiroaki@gmail.com", | ||
"homepage": "http://do-aki.net" | ||
} | ||
], | ||
"require": { | ||
"php": ">=5.3.0", | ||
"ext-sockets": "*" | ||
}, | ||
"require-dev": { | ||
"phpunit/phpunit": "3.7.*@stable", | ||
"phpunit/php-invoker": ">=1.1.0,<1.2.0", | ||
"satooshi/php-coveralls": "dev-master" | ||
}, | ||
"autoload": { | ||
"psr-0": { "do-aki\\Net" : "src" } | ||
} | ||
} | ||
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<?php | ||
namespace dooaki\Net; | ||
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/** | ||
* 空きポートを探す | ||
* オリジナルは Perl の Test::TCP に含まれる Net::EmptyPort | ||
* | ||
* @author do_aki <do.hiroaki@gmail.com> | ||
*/ | ||
class EmptyPort | ||
{ | ||
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/** | ||
* Dynamic and/or Private Ports (49152-65535) の中で、空いているポートを探す | ||
* 有効なポート番号が指定されている場合は 指定ポート番号から 65535 までを探す | ||
* | ||
* @param integer $port port | ||
* @param string $proto tcp or udp | ||
* @throws \UnexpectedValueException | ||
* @return integer 空いているポート番号 | ||
*/ | ||
public static function find($port=null, $proto='tcp') | ||
{ | ||
if (null === $port || false === $port) { | ||
$port = 50000 + rand(0, 1000); | ||
} else { | ||
$port = intval($port); | ||
if ($port < 0 || 49152 < $port) { | ||
$port = 49152; | ||
} | ||
} | ||
$proto = strtolower($proto); | ||
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do { | ||
if (self::isPortUsed($port, $proto)) { | ||
continue; | ||
} | ||
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if ($proto === 'tcp') { | ||
$sock = self::_createSocket($proto); | ||
if (@socket_bind($sock, '127.0.0.1', $port) && @socket_listen($sock, 5)) { | ||
socket_close($sock); | ||
return $port; | ||
} | ||
socket_close($sock); | ||
} else { | ||
return $port; | ||
} | ||
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} while (++$port <= 65535); | ||
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throw new \UnexpectedValueException('empty port not found'); | ||
} | ||
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/** | ||
* 指定したポートが使われているかどうかを返す | ||
* | ||
* @param integer $port port | ||
* @param string $proto tcp or udp | ||
* @return boolean 使われている場合は true, そうでない場合は false | ||
*/ | ||
public static function isPortUsed($port, $proto='tcp') | ||
{ | ||
$port = intval($port); | ||
$proto = strtolower($proto); | ||
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$sock = self::_createSocket($proto); | ||
if ($proto === 'tcp') { | ||
$ret = @socket_connect($sock, '127.0.0.1', $port); | ||
} else { | ||
$ret = !socket_bind($sock, '127.0.0.1', $port); | ||
} | ||
socket_close($sock); | ||
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return $ret; | ||
} | ||
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/** | ||
* 指定ポートが接続可能な状態になるまで待つ | ||
* | ||
* @param integer $port port | ||
* @param float $max_wait_sec 最大待ち秒数 | ||
* @param string $proto tcp or udp | ||
* @return boolean 時間内に接続可能になった場合は true, そうでない場合は false | ||
*/ | ||
public static function wait($port, $max_wait_sec, $proto='tcp') | ||
{ | ||
$port = intval($port); | ||
$proto = strtolower($proto); | ||
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$waiter = self::_makeWaiter($max_wait_sec * 1000000); | ||
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while ($waiter()) { | ||
if (self::isPortUsed($port, $proto)) { | ||
return true; | ||
} | ||
} | ||
return false; | ||
} | ||
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/** | ||
* TCP あるいは UDP のソケットを返す | ||
* | ||
* @param string $proto tcp or udp | ||
* @throws \UnexpectedValueException ソケットの生成に失敗した場合 | ||
* @return resource socket | ||
*/ | ||
private static function _createSocket($proto) | ||
{ | ||
$sock = ($proto === 'tcp') ? | ||
socket_create(AF_INET, SOCK_STREAM, SOL_TCP): | ||
socket_create(AF_INET, SOCK_DGRAM, SOL_UDP) | ||
; | ||
if (!$sock) { | ||
throw new \UnexpectedValueException("socket_create() failed: " . socket_strerror(socket_last_error())); | ||
} | ||
return $sock; | ||
} | ||
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/** | ||
* 待ちクロージャを返す | ||
* | ||
* @param integer $max_wait 最大待ち時間(マイクロ秒) | ||
* @return closure | ||
*/ | ||
private static function _makeWaiter($max_wait) | ||
{ | ||
$waited = 0; | ||
$sleep = 1000; | ||
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return function () use ($max_wait, &$waited, &$sleep) { | ||
if ($max_wait < $waited) { | ||
return false; | ||
} | ||
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usleep($sleep); | ||
$waited += $sleep; | ||
$sleep *= 2; | ||
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return true; | ||
}; | ||
} | ||
} | ||
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<?php | ||
namespace dooaki\Test\Net; | ||
use dooaki\Net\EmptyPort; | ||
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class EmptyPortTest extends \PHPUnit_Framework_TestCase | ||
{ | ||
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public function test_find_tcp() | ||
{ | ||
$this->assertNotEmpty(EmptyPort::find()); | ||
} | ||
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public function test_find_udp() | ||
{ | ||
$this->assertNotEmpty(EmptyPort::find(null, 'udp')); | ||
} | ||
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public function test_wait_tcp() | ||
{ | ||
$port = EmptyPort::find(); | ||
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$this->assertFalse(EmptyPort::wait($port, 0.1), 'closed'); | ||
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$sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); | ||
socket_bind($sock, '127.0.0.1', $port); | ||
socket_listen($sock, 5); | ||
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$this->assertTrue(EmptyPort::wait($port, 2), 'open'); | ||
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socket_close($sock); | ||
} | ||
} | ||
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<?php | ||
require dirname(__DIR__) . '/src/Net/EmptyPort.php'; | ||
$loader = require dirname(__DIR__) . '/vendor/autoload.php'; | ||
$loader->add('dooaki\Test', __DIR__); | ||
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