Diffs

Net_IPv4_NetworkGroup/trunk/docs/examples/mobile_ip2carrier.php

@@ -1,6 +1,6 @@
<?php
require_once 'Net/IPv4/NetworkGroup.php';
-//require_once '../../lib/NetworkGroup.php';
+//require_once dirname(__FILE__) . '/../../NetworkGroup.php';
if($argc<2) {
echo 'Usage: ' . $_SERVER['SCRIPT_NAME'] . ' <ip-address>' . PHP_EOL;

Net_IPv4_NetworkGroup/trunk/NetworkGroup.php

@@ -0,0 +1,182 @@
+<?php
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+/**
+ * This file is part of Net_IPv4_NetworkGroup library.
+ *
+ * This library fork of sfMobileIPPlugin.
+ *
+ * PHP version 5.2
+ *
+ * @category Networking
+ * @package Net_IPv4_NetworkGroup
+ * @link http://openper.org/package/Net_IPv4_NetworkGroup
+ * @link http://openpear.org/package/sfMobileIPPlugin
+ * @license MIT
+ * @author MugeSo <mugeso@mugeso.com>
+ * @author bto
+ */
+
+require_once "Cache/Lite.php";
+
+/**
+ * This class manages ipv4 network group.
+ *
+ * @since 0.1.0
+ * @author MugeSo <mugeso@mugeso.com>
+ */
+class Net_IPv4_NetworkGroup
+{
+  protected $options;
+
+  /**
+   * the constructor
+   *
+   * @param array $options
+   *  cache_dir - directory path for caching
+   *  config    - yaml configuration file.
+   */
+  public function __construct(array $options = array()) {
+    $options += array(
+        'cache_dir'=>sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'Net_IPv4_NetworkGroup' . DIRECTORY_SEPARATOR,
+        'config'=>null
+    );
+
+    if (empty($options['config'])) {
+      throw new InvalidArgumentException('config parameter for configuration file required.');
+    }
+
+    $this->options = $options;
+  }
+
+  /**
+   *
+   * @param string $addr
+   * @param mixed $default
+   * @return string
+   */
+  public function getGroup($addr = null, $default = null)
+  {
+    if (!$addr) {
+      $addr = self::addr();
+    }
+
+    $ip = (double)(sprintf('%u', ip2long($addr)));
+    $ranges = $this->getRanges();
+
+    $min = -1;
+    $max = count($ranges);
+    while (true) {
+      $center = (int)floor(($min+$max)/2);
+      if ($center === $min) {
+        return $default;
+      }
+
+      $range =& $ranges[$center];
+
+      if ($ip < $range['network']) {
+        $max = $center;
+      } else if ($range['network'] <= $ip && $ip <= $range['broadcast']) {
+        return $range['group'];
+      } else {
+        $min = $center;
+      }
+    }
+  }
+
+  static protected function addr()
+  {
+    if (isset($_SERVER['REMOTE_ADDR'])) {
+      return $_SERVER['REMOTE_ADDR'];
+    }
+
+    return '127.0.0.1';
+  }
+
+  protected function getRanges()
+  {
+    $options = $this->options;
+    $cache = new Cache_Lite(array('cacheDir'=>$options['cache_dir'], 'lifeTime'=>null, 'automaticSerialization'=>true));
+
+    $ranges = $cache->get($options['config']);
+
+    if ($ranges===false || $cache->lastModified() < filemtime($options['config'])) {
+      // is not cached. Let's complie the config.
+      $ranges = $this->compileConfig($options['config']);
+      $cache->save($ranges);
+    }
+
+    return $ranges;
+  }
+
+  public function compileConfig($configFile)
+  {
+    class_exists('Net_IPv4') or require_once 'Net/IPv4.php';
+
+    $config = $this->parseYaml($configFile);
+
+    // get all ip ranges
+    $ranges = array();
+    foreach ($config as $group => $group_ips) {
+      foreach ($group_ips as $cidr) {
+        $cidr = @Net_IPv4::parseAddress($cidr);
+        $ranges[] = array(
+            'broadcast' => $this->ip2double($cidr->broadcast),
+            'group'   => $group,
+            'network'   => $this->ip2double($cidr->network));
+      }
+    }
+
+    // sort
+    usort($ranges, array($this, 'compareByNetwork'));
+
+    // unite sequent ip range
+    $l = count($ranges);
+    $cur =& $ranges[0];
+    for ($i = 1; $i < $l; $i++) {
+      $next =& $ranges[$i];
+      $condition = ($cur['broadcast']+1) === $next['network'] &&
+          $cur['group'] === $next['group'];
+      if ($condition) {
+        $cur['broadcast'] = $next['broadcast'];
+        unset($ranges[$i]);
+      } else {
+        $cur =& $ranges[$i];
+      }
+    }
+    $ranges = array_values($ranges);
+
+    return $ranges;
+  }
+
+  protected function compareByNetwork($a, $b)
+  {
+    if ($a['network'] === $b['network']) {
+      return 0;
+    } else if ($a['network'] < $b['network']) {
+      return -1;
+    } else {
+      return 1;
+    }
+  }
+
+  protected function ip2double($addr)
+  {
+    return (double)(sprintf('%u', ip2long($addr)));
+  }
+
+  protected function parseYaml($yamlFile)
+  {
+    if(class_exists('Spyc')) {
+      // noting todo.
+    } elseif(@fclose(@fopen('Spyc.php', 'r', true))) {
+      require_once 'Spyc.php';
+    } elseif(@fclose(@fopen('spyc.php', 'r', true))) {
+      require_once 'spyc.php';
+    } else {
+      throw new RuntimeException('Net_IPv4_NetworkGroup depends Spyc.');
+    }
+
+    return Spyc::YAMLLoad($yamlFile);
+  }
+}
+?>
属性に変更があったパス: Net_IPv4_NetworkGroup/trunk/NetworkGroup.php
___________________________________________________________________
追加: svn:keywords
+ id
追加: svn:eol-style
+ native