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Filename : ReqProbe.php
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<?php

define("FLD_IP", 0);
define("FLD_KAReqServed", 1);
define("FLD_Mode", 2);
define("FLD_ReqTime", 3);
define("FLD_InBytesCurrent", 4);
define("FLD_InBytesTotal", 5);
define("FLD_OutBytesCurrent", 6);
define("FLD_OutBytesTotal", 7);
define("FLD_VHost", 8);
define("FLD_Handler", 9);
define("FLD_ExtappProcessTime", 10);
define("FLD_ExtappSocket", 11);
define("FLD_ExtappPid", 12);
define("FLD_ExtappConnReqServed", 13);
define("FLD_Url", 14);

class ReqProbe
{

	public $filters = null;
	public $req_detail = null;

	//127.0.0.1       0       WR      17.2    92      92      694     -1      Example example_lsphp   17      /tmp/lshttpd/example_lsphp.997  5390    0       "GET /sslow.php HTTP/1.1"
	/*
	 *
	  0: 127.0.0.1,  IP
	  1: 0,   keep-alived requests
	  2: WR,  connection status
	  3: 53.0, total processing time
	  4/5: 513/513, in bytes/total bytes
	  6/7: 469/-1,  out bytes/total bytes  (-1 don't know)
	  8: Example, vh name
	  9: example_lsphp, handler name (external app name, static file is "static")
	  .......
	  10: 53,  extapp process time
	  11: /tmp/lshttpd/example_lsphp.519,  extapp socket
	  12: 17587,  extapp pid
	  13: 0  reqs processed through extapp connection
	  14: "GET /sslow.php HTTP/1.1",  req_url
	 */

	function __construct()
	{
		$this->filters = null;
		$this->req_detail = null;
	}

	function retrieve($filters, &$total_count, &$filtered_count)
	{
		$this->filters = $filters;
		$vhname_filter = '';
		$ip_filter = '';
		$url_filter = '';
		$reqtime_filter = '';
		$extproctime_filter = '';
		$reqbodysize_filter = '';
		$outsize_filter = '';

		/* $filters = array('SHOW_TOP' => $req_show_top,
		  'SHOW_SORT' => $req_show_sort,
		  'VHNAME' => $vhname_filter,
		  'IP' => $ip_filter,
		  'URL' => $url_filter,
		  'REQ_TIME' => $reqtime_filter,
		  'PROC_TIME' => $extproctime_filter,
		  'IN'=> $reqbodysize_filter,
		  'OUT' => $outsize_filter);
		 * */

		$show_top = (int) $filters['SHOW_TOP'];
		$show_sort = $filters['SHOW_SORT'];
		$has_filter = false;

		$sortBy = FLD_ReqTime; // default
		if ($show_sort == 'vhname') {
			$sortBy = FLD_VHost;
		} elseif ($show_sort == 'client') {
			$sortBy = FLD_IP;
		} elseif ($show_sort == 'req_time') {
			$sortBy = FLD_ReqTime;
		} elseif ($show_sort == 'extproc_time') {
			$sortBy = FLD_ExtappProcessTime;
		} elseif ($show_sort == 'in') {
			$sortBy = FLD_InBytesTotal;
		} elseif ($show_sort == 'out') {
			$sortBy = FLD_OutBytesCurrent;
		}
		if ($filters['VHNAME'] != null) {
			$vhname_filter = $filters['VHNAME'];
			$has_filter = true;
		}
		if ($filters['IP'] != null) {
			$ip_filter = $filters['IP'];
			$has_filter = true;
		}
		if ($filters['URL'] != null) {
			$url_filter = $filters['URL'];
			$has_filter = true;
		}
		if ($filters['REQ_TIME'] != null) {
			$reqtime_filter = $filters['REQ_TIME'];
			$has_filter = true;
		}
		if ($filters['PROC_TIME'] != null) {
			$extproctime_filter = $filters['PROC_TIME'];
			$has_filter = true;
		}
		if ($filters['IN'] != null) {
			$reqbodysize_filter = 1024 * floatval($filters['IN']);
			$has_filter = true;
		}
		if ($filters['OUT'] != null) {
			$outsize_filter = 1024 * floatval($filters['OUT']);
			$has_filter = true;
		}

		$contents = $this->getStatusDetail();
		if ($contents == false) {
			return false;
		}

		$full_list = explode("\n", $contents);
		$count = count($full_list);
		//remove last empty line
		if (trim($full_list[$count - 1]) == '') {
			$count --;
		}
		$total_count = $count;
		$filtered_list = [];
		$sorted_list = [];
		if ($has_filter) {
			$j = 0;
			for ($i = 0; $i < $count; ++$i) {
				$s2 = explode("\t", $full_list[$i]);

				if ($reqtime_filter != '') {
					if ($s2[FLD_ReqTime] <= $reqtime_filter) {
						continue;
					}
				}
				if ($extproctime_filter != '') {
					if ($s2[FLD_ExtappProcessTime] <= $extproctime_filter) {
						continue;
					}
				}
				if ($reqbodysize_filter != '') {
					if ($s2[FLD_InBytesTotal] <= $reqbodysize_filter) {
						continue;
					}
				}
				if ($outsize_filter != '') {
					if ($s2[FLD_OutBytesCurrent] <= $outsize_filter) {
						continue;
					}
				}
				if ($ip_filter != '') {
					if (!preg_match("/$ip_filter/", $s2[FLD_IP])) {
						continue;
					}
				}
				if ($vhname_filter != '') {
					if (!preg_match("/$vhname_filter/i", $s2[FLD_VHost])) {
						continue;
					}
				}
				if ($url_filter != '') {
					if (!preg_match("/$url_filter/i", $s2[FLD_Url])) {
						continue;
					}
				}
				$filtered_list[$j] = $full_list[$i];
				$sorted_list["{$j}a"] = $s2[$sortBy];
				$j ++;
			}
		} else {
			$filtered_list = &$full_list;
			for ($i = 0; $i < $count; ++$i) {
				$s2 = explode("\t", $full_list[$i]);
				$sorted_list["{$i}a"] = $s2[$sortBy];
			}
		}

		if ($sortBy == FLD_VHost || $sortBy == FLD_IP) {
			//reg sort
			asort($sorted_list);
		} else {
			//reverse sort
			arsort($sorted_list, SORT_NUMERIC);
		}
		if ($show_top == 0) {
			$show_top = count($sorted_list);
		}
		$cut = 0;
		$final_list = [];
		foreach ($sorted_list as $ia => $v) {
			$index = (int) (rtrim($ia, 'a'));
			$final_list[$cut++] = $filtered_list[$index];
			if ($cut == $show_top) {
				break;
			}
		}
		$filtered_count = count($final_list);
		return $final_list;
	}

	private function getStatusDetail()
	{
		$cmd = 'status:rpt=detail';
		return Service::retrieveCommandData($cmd);
	}

}