/**
* Initiates a new crawler.
*/
public function __construct()
{
// Create uniqid for this crawlerinstance
$this->crawler_uniqid = getmypid() . time();
// Include needed class-files
$classpath = dirname(__FILE__);
// Utils-class
if (!class_exists("PHPCrawlerUtils")) {
include_once $classpath . "/PHPCrawlerUtils.class.php";
}
// URL-Cache-classes
if (!class_exists("PHPCrawlerURLCacheBase")) {
include_once $classpath . "/UrlCache/PHPCrawlerURLCacheBase.class.php";
}
if (!class_exists("PHPCrawlerMemoryURLCache")) {
include_once $classpath . "/UrlCache/PHPCrawlerMemoryURLCache.class.php";
}
if (!class_exists("PHPCrawlerSQLiteURLCache")) {
include_once $classpath . "/UrlCache/PHPCrawlerSQLiteURLCache.class.php";
}
// PageRequest-class
if (!class_exists("PHPCrawlerHTTPRequest")) {
include_once $classpath . "/PHPCrawlerHTTPRequest.class.php";
}
$this->PageRequest = new PHPCrawlerHTTPRequest();
$this->PageRequest->setHeaderCheckCallbackFunction($this, "handleHeaderInfo");
// Cookie-Cache-class
if (!class_exists("PHPCrawlerCookieCacheBase")) {
include_once $classpath . "/CookieCache/PHPCrawlerCookieCacheBase.class.php";
}
if (!class_exists("PHPCrawlerMemoryCookieCache")) {
include_once $classpath . "/CookieCache/PHPCrawlerMemoryCookieCache.class.php";
}
if (!class_exists("PHPCrawlerSQLiteCookieCache")) {
include_once $classpath . "/CookieCache/PHPCrawlerSQLiteCookieCache.class.php";
}
// URL-filter-class
if (!class_exists("PHPCrawlerURLFilter")) {
include_once $classpath . "/PHPCrawlerURLFilter.class.php";
}
$this->UrlFilter = new PHPCrawlerURLFilter();
// RobotsTxtParser-class
if (!class_exists("PHPCrawlerRobotsTxtParser")) {
include_once $classpath . "/PHPCrawlerRobotsTxtParser.class.php";
}
$this->RobotsTxtParser = new PHPCrawlerRobotsTxtParser();
// ProcessReport-class
if (!class_exists("PHPCrawlerProcessReport")) {
include_once $classpath . "/PHPCrawlerProcessReport.class.php";
}
// UserSendDataCache-class
if (!class_exists("PHPCrawlerUserSendDataCache")) {
include_once $classpath . "/PHPCrawlerUserSendDataCache.class.php";
}
$this->UserSendDataCache = new PHPCrawlerUserSendDataCache();
// URLDescriptor-class
if (!class_exists("PHPCrawlerURLDescriptor")) {
include_once $classpath . "/PHPCrawlerURLDescriptor.class.php";
}
// PageInfo-class
if (!class_exists("PHPCrawlerDocumentInfo")) {
include_once $classpath . "/PHPCrawlerDocumentInfo.class.php";
}
// Benchmark-class
if (!class_exists("PHPCrawlerBenchmark")) {
include_once $classpath . "/PHPCrawlerBenchmark.class.php";
}
// URLDescriptor-class
if (!class_exists("PHPCrawlerUrlPartsDescriptor")) {
include_once $classpath . "/PHPCrawlerUrlPartsDescriptor.class.php";
}
// CrawlerStatus-class
if (!class_exists("PHPCrawlerStatus")) {
include_once $classpath . "/PHPCrawlerStatus.class.php";
}
// AbortReasons-class
if (!class_exists("PHPCrawlerAbortReasons")) {
include_once $classpath . "/Enums/PHPCrawlerAbortReasons.class.php";
}
// RequestErrors-class
if (!class_exists("PHPCrawlerRequestErrors")) {
include_once $classpath . "/Enums/PHPCrawlerRequestErrors.class.php";
}
// PHPCrawlerUrlCacheTypes-class
if (!class_exists("PHPCrawlerUrlCacheTypes")) {
include_once $classpath . "/Enums/PHPCrawlerUrlCacheTypes.class.php";
}
// PHPCrawlerMultiProcessModes-class
if (!class_exists("PHPCrawlerMultiProcessModes")) {
include_once $classpath . "/Enums/PHPCrawlerMultiProcessModes.class.php";
}
// PHPCrawlerProcessCommunication-class
if (!class_exists("PHPCrawlerProcessCommunication")) {
include_once $classpath . "/ProcessCommunication/PHPCrawlerProcessCommunication.class.php";
}
// PHPCrawlerDocumentInfoQueue-class
if (!class_exists("PHPCrawlerDocumentInfoQueue")) {
include_once $classpath . "/ProcessCommunication/PHPCrawlerDocumentInfoQueue.class.php";
}
// Set default temp-dir
$this->working_base_directory = PHPCrawlerUtils::getSystemTempDir();
}