lifetype-1.2/tools/genloadtestdata.php

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<?php

    define( "NUM_REQUESTS", 25 );
    
    define( "BASE_URL", "http://localhost/trunk/" );

        define( "GET_RATE", 70 );

        define( "POST_RATE", 30 );

    if (!defined( "PLOG_CLASS_PATH" )) {
        define( "PLOG_CLASS_PATH", dirname(__FILE__)."/../");
    }
    
    include_once( PLOG_CLASS_PATH."class/database/db.class.php" );
    
    // connect to the db
    $db =& Db::getDb();
    
    // load the list of post and blog ids
    $postsResult = $db->Execute( "SELECT id, blog_id FROM ".Db::getPrefix()."articles WHERE status = 1 LIMIT 1,200" );
    while( $row = $postsResult->FetchRow()) {
        if( !isset( $postIds[$row["blog_id"]] ))
            $postIds[$row["blog_id"]] = Array();
            
        $postIds[$row["blog_id"]][] = $row["id"];
    }

    // generate some random links to blogs
    $numBlogs = count( $postIds );
    $numReqs  = 0;
    
    while( $numReqs < NUM_REQUESTS ) {
        // select a random blog
        $blogId = rand( 1, $numBlogs );

        // and a random article from this blog
        $articleId = $postIds[$blogId][rand(0,count($postIds[$blogId])-1)];                     

        // find out whether this is a POST or a GET request
        $reqType = rand(1,100);
        if( $reqType <= GET_RATE ) {
                $getType = rand(1,2);
                if( $getType == 1 ) {
                        // generate a link to the blog
                        $url = BASE_URL."index.php?op=Default&blogId=".$blogId;
                }
                else {
                        // generate a permalink
                        $url = BASE_URL."index.php?op=ViewArticle&blogId=".$blogId."&articleId=".$articleId;
                }
                
                printGET( $url );
        }
        else {
                // post a comment to any of the articles of the given blog
                $url = BASE_URL."index.php";
                // form values
                $form = Array ( "articleId" => $articleId, "op" => "AddComment", "commentTopic" => generateRandomWords(rand(1,15)),
                                "commentText" => generateRandomParagraphs(rand(1,2)), "blogId" => $blogId,
                                "userName" => "loadtest" );
                // print the request
                printPOST( $url, $form );
        }
        
        $numReqs++;
    }
    
Function printGET( $url ) 
{
    print( "GET, $url\n" );
}

function printPOST( $url, $formVars )
{
        $string = "POST, $url, \"";
        $form = Array();
        foreach( $formVars as $key=>$value ) {
                $form[] = "$key=$value";                
        }
        $formString = implode( "|", $form );
        $string .= "$formString\"\n";
        print($string);
}

function generateRandomWord($lenght, $uppercase = false) {
    $newcode_length = 1;
    $newcode = "";
    while($newcode_length < $lenght) {
        $a=97;
        $b=122;
        if ($newcode_length == 1) {
            if (rand(1,4) == 1 || $uppercase) {
                $a=65;
                $b=90;
            }
        }
        $code_part=chr(rand($a,$b));
        $newcode_length++;
        $newcode = $newcode.$code_part;
    }
    return $newcode;
}

function generateRandomWords( $count, $uppercase = false, $html = true) {
    $words = generateRandomWord( rand( 3, 12), $uppercase );
    for ($i = 1; $i < $count; $i++) {
        $rand = rand(3, 12);
        $words .= ' ' . generateRandomWord( $rand );
    }
    return $words;
}

function generateRandomParagraph() {
    $length = rand( 3, 20 );
    $counter = 0;
    $text = '<p>' . generateRandomWord( rand( 3, 12 ), true );
    while ($counter < $length) {
        $word = generateRandomWords( rand(3, 12) );
        $text = $text . ' ' . $word;
        $counter++;
    }
    $text .= "</p>";
    return $text;
}

function generateRandomParagraphs( $count ) {
    $text = '';
    for ($i = 1; $i < $count; $i++) {
        $text .= generateRandomParagraph();
    }
    return $text;
}
?>

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