pcntl_fork () fonksiyonu soru

0 Cevap php

Günaydın stackoverflow,

I'm still busy with my webcrawler and i just need some last help. Because crawling the web can cost a lot of time I want to let pcntl_fork() help me in creating multiple childs to split my code in parts.

  1. Master - alanı tararken
  2. Çocuk - bir bağlantı çocuğu alırken etki alanı bulunamadı linki tarama gerekir
  3. Çocuk - 2 olarak aynı şeyi olmalı yeni linki alırken..

I istediğiniz gibi birçok yapabilirsiniz, ya da ben oğul maksimum ayarlamak gerekiyor?

İşte benim kod:

class MyCrawler extends PHPCrawler 
{


  function handlePageData(&$page_data) 
  { // CHECK DOMEIN
$domain = $_POST['domain'];
$keywords = $_POST['keywords'];
//$tags = get_meta_tags($page_data["url"]);
//$iKeyFound = null;


$find = $keywords;
$str = file_get_contents($page_data["url"]);
if(strpos($str, $find) == true && $page_data["received"] == true)
{           
    $keywords = $_POST['keywords'];
    if($page_data["header"]){
    echo "<table border='1' >";
    echo "<tr><td width='300'>Status:</td><td width='500'> ".strtok($page_data["header"], "\n")."</td></tr>";}
    else "<table border='1' >";

    // PRINT EERSTE LIJN

    echo "<tr><td>Page requested:</td><td> ".$page_data["url"]."</td></tr>";
    // PRINT STATUS WEBSITE

    // PRINT WEBPAGINA
    echo "<tr><td>Referer-page:</td><td> ".$page_data["referer_url"]."</td></tr>";

    // CONTENT ONTVANGEN?
    if ($page_data["received"]==true)
      echo "<tr><td>Content received: </td><td>".$page_data["bytes_received"] / 8 . " Kbytes</td></tr></table>";
    else
      echo "<tr><td>Content:</td><td> Not received</td></tr></table>";


    $domain = $_POST['domain'];
    $link = mysql_connect('localhost', 'crawler', 'DRZOIDBERGGG');

    if (!$link) 
    {
        die('Could not connect: ' . mysql_error());
    }

    mysql_select_db("crawler");
    if(empty($page_data["referer_url"]))
    $page_data["referer_url"] = $page_data["url"];

    strip_tags($str, '<p><b>');
    $matches = $keywords;
    //$match = preg_match_all("'/<(*.?)(*.?)>(*.?)'".$keywords."'(*.?)<\/($1)>/'", $str, $matches, PREG_SET_ORDER);
    //echo $match;

    $doc = new DOMDocument();
    $doc->loadHTML($str);

    $xPath = new DOMXpath($doc);
    $xPathQuery = "//text()[contains(translate(.,'abcdefghijklmnopqrstuvwxyz', 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'), '".strtoupper($keywords)."')]";
    $elements = $xPath->query($xPathQuery);

    if($elements->length > 0){

    foreach($elements as $element){
        print "Gevonden: " .$element->nodeValue."<br />";
    }}

    $result = mysql_query("SELECT * FROM crawler WHERE data = '".$element->nodeValue."' ") ;

    if(mysql_num_rows($result)>0)
    echo 'Column already exist';

    else{ 
    echo 'added';
    mysql_query("INSERT INTO crawler (id, domain, url, keywords, data) VALUES ('', '".$page_data["referer_url"]."', '".$page_data["url"]."', '".$keywords."', '".$element->nodeValue. "' )");
    }

    echo '<br>';
    echo "<br><br>";
    echo str_pad(" ", 5000); // "Force flush", workaround
    flush();



}

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