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<?php
//
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2004 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Martin Jansen <mj@php.net> |
// | Tomas V.V.Cox <cox@idecnet.com> |
// | Jan Lehnardt <jan@php.net> |
// | Kai Schrder <k.schroeder@php.net> |
// | Craig Constantine <cconstantine@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: Ping.php 274728 2009-01-27 20:14:00Z cconstantine $
require_once "PEAR.php";
require_once "OS/Guess.php";
define('NET_PING_FAILED_MSG', 'execution of ping failed' );
define('NET_PING_HOST_NOT_FOUND_MSG', 'unknown host' );
define('NET_PING_INVALID_ARGUMENTS_MSG', 'invalid argument array' );
define('NET_PING_CANT_LOCATE_PING_BINARY_MSG', 'unable to locate the ping binary');
define('NET_PING_RESULT_UNSUPPORTED_BACKEND_MSG', 'Backend not Supported' );
define('NET_PING_FAILED', 0);
define('NET_PING_HOST_NOT_FOUND', 1);
define('NET_PING_INVALID_ARGUMENTS', 2);
define('NET_PING_CANT_LOCATE_PING_BINARY', 3);
define('NET_PING_RESULT_UNSUPPORTED_BACKEND', 4);
/**
* Wrapper class for ping calls
*
* Usage:
*
* <?php
* require_once "Net/Ping.php";
* $ping = Net_Ping::factory();
* if(PEAR::isError($ping)) {
* echo $ping->getMessage();
* } else {
* $ping->setArgs(array('count' => 2));
* var_dump($ping->ping('example.com'));
* }
* ?>
*
* @author Jan Lehnardt <jan@php.net>
* @version $Revision: 274728 $
* @package Net
* @access public
*/
class Net_Ping
{
/**
* Location where the ping program is stored
*
* @var string
* @access private
*/
var $_ping_path = "";
/**
* Array with the result from the ping execution
*
* @var array
* @access private
*/
var $_result = array();
/**
* OS_Guess instance
*
* @var object
* @access private
*/
var $_OS_Guess = "";
/**
* OS_Guess->getSysname result
*
* @var string
* @access private
*/
var $_sysname = "";
/**
* Ping command arguments
*
* @var array
* @access private
*/
var $_args = array();
/**
* Indicates if an empty array was given to setArgs
*
* @var boolean
* @access private
*/
var $_noArgs = true;
/**
* Contains the argument->option relation
*
* @var array
* @access private
*/
var $_argRelation = array();
/**
* Constructor for the Class
*
* @access private
*/
function Net_Ping($ping_path, $sysname)
{
$this->_ping_path = $ping_path;
$this->_sysname = $sysname;
$this->_initArgRelation();
} /* function Net_Ping() */
/**
* Factory for Net_Ping
*
* @access public
*/
function factory()
{
$ping_path = '';
$sysname = Net_Ping::_setSystemName();
if (($ping_path = Net_Ping::_setPingPath($sysname)) == NET_PING_CANT_LOCATE_PING_BINARY) {
return PEAR::raiseError(NET_PING_CANT_LOCATE_PING_BINARY_MSG, NET_PING_CANT_LOCATE_PING_BINARY);
} else {
return new Net_Ping($ping_path, $sysname);
}
} /* function factory() */
/**
* Resolve the system name
*
* @access private
*/
function _setSystemName()
{
$OS_Guess = new OS_Guess;
$sysname = $OS_Guess->getSysname();
// Refine the sysname for different Linux bundles/vendors. (This
// should go away if OS_Guess was ever extended to give vendor
// and vendor-version guesses.)
//
// Bear in mind that $sysname is eventually used to craft a
// method name to figure out which backend gets used to parse
// the ping output. Elsewhere, we'll set $sysname back before
// that.
if ('linux' == $sysname) {
if ( file_exists('/etc/lsb-release')
&& false !== ($release=@file_get_contents('/etc/lsb-release'))
&& preg_match('/gutsy/i', $release)
) {
$sysname = 'linuxredhat9';
}
else if ( file_exists('/etc/debian_version') ) {
$sysname = 'linuxdebian';
}else if (file_exists('/etc/redhat-release')
&& false !== ($release= @file_get_contents('/etc/redhat-release'))
)
{
if (preg_match('/release 8/i', $release)) {
$sysname = 'linuxredhat8';
}elseif (preg_match('/release 9/i', $release)) {
$sysname = 'linuxredhat9';
}
}
}
return $sysname;
} /* function _setSystemName */
/**
* Set the arguments array
*
* @param array $args Hash with options
* @return mixed true or PEAR_error
* @access public
*/
function setArgs($args)
{
if (!is_array($args)) {
return PEAR::raiseError(NET_PING_INVALID_ARGUMENTS_MSG, NET_PING_INVALID_ARGUMENTS);
}
$this->_setNoArgs($args);
$this->_args = $args;
return true;
} /* function setArgs() */
/**
* Set the noArgs flag
*
* @param array $args Hash with options
* @return void
* @access private
*/
function _setNoArgs($args)
{
if (0 == count($args)) {
$this->_noArgs = true;
} else {
$this->_noArgs = false;
}
} /* function _setNoArgs() */
/**
* Sets the system's path to the ping binary
*
* @access private
*/
function _setPingPath($sysname)
{
$status = '';
$output = array();
$ping_path = '';
if ("windows" == $sysname) {
return "ping";
} else {
$ping_path = exec("which ping", $output, $status);
if (0 != $status) {
return NET_PING_CANT_LOCATE_PING_BINARY;
} else {
// be certain "which" did what we expect. (ref bug #12791)
if ( is_executable($ping_path) ) {
return $ping_path;
}
else {
return NET_PING_CANT_LOCATE_PING_BINARY;
}
}
}
} /* function _setPingPath() */
/**
* Creates the argument list according to platform differences
*
* @return string Argument line
* @access private
*/
function _createArgList()
{
$retval = array();
$timeout = "";
$iface = "";
$ttl = "";
$count = "";
$quiet = "";
$size = "";
$seq = "";
$deadline = "";
foreach($this->_args AS $option => $value) {
if(!empty($option) && isset($this->_argRelation[$this->_sysname][$option]) && NULL != $this->_argRelation[$this->_sysname][$option]) {
${$option} = $this->_argRelation[$this->_sysname][$option]." ".$value." ";
}
}
switch($this->_sysname) {
case "sunos":
if ($size || $count || $iface) {
/* $size and $count must be _both_ defined */
$seq = " -s ";
if ($size == "") {
$size = " 56 ";
}
if ($count == "") {
$count = " 5 ";
}
}
$retval['pre'] = $iface.$seq.$ttl;
$retval['post'] = $size.$count;
break;
case "freebsd":
$retval['pre'] = $quiet.$count.$ttl.$timeout;
$retval['post'] = "";
break;
case "darwin":
$retval['pre'] = $count.$timeout.$size;
$retval['post'] = "";
break;
case "netbsd":
$retval['pre'] = $quiet.$count.$iface.$size.$ttl.$timeout;
$retval['post'] = "";
break;
case "openbsd":
$retval['pre'] = $quiet.$count.$iface.$size.$ttl.$timeout;
$retval['post'] = "";
break;
case "linux":
$retval['pre'] = $quiet.$deadline.$count.$ttl.$size.$timeout;
$retval['post'] = "";
break;
case "linuxdebian":
$retval['pre'] = $quiet.$count.$ttl.$size.$timeout;
$retval['post'] = "";
$this->_sysname = 'linux'; // undo linux vendor refinement hack
break;
case "linuxredhat8":
$retval['pre'] = $iface.$ttl.$count.$quiet.$size.$deadline;
$retval['post'] = "";
$this->_sysname = 'linux'; // undo linux vendor refinement hack
break;
case "linuxredhat9":
$retval['pre'] = $timeout.$iface.$ttl.$count.$quiet.$size.$deadline;
$retval['post'] = "";
$this->_sysname = 'linux'; // undo linux vendor refinement hack
break;
case "windows":
$retval['pre'] = $count.$ttl.$timeout;
$retval['post'] = "";
break;
case "hpux":
$retval['pre'] = $ttl;
$retval['post'] = $size.$count;
break;
case "aix":
$retval['pre'] = $count.$timeout.$ttl.$size;
$retval['post'] = "";
break;
default:
$retval['pre'] = "";
$retval['post'] = "";
break;
}
return($retval);
} /* function _createArgList() */
/**
* Execute ping
*
* @param string $host hostname
* @return mixed String on error or array with the result
* @access public
*/
function ping($host)
{
if($this->_noArgs) {
$this->setArgs(array('count' => 3));
}
$argList = $this->_createArgList();
$cmd = $this->_ping_path." ".$argList['pre']." ".escapeshellcmd($host)." ".$argList['post'];
// since we return a new instance of Net_Ping_Result (on
// success), users may call the ping() method repeatedly to
// perform unrelated ping tests Make sure we don't have raw data
// from a previous call laying in the _result array.
$this->_result = array();
exec($cmd, $this->_result);
if (!is_array($this->_result)) {
return PEAR::raiseError(NET_PING_FAILED_MSG, NET_PING_FAILED);
}
if (count($this->_result) == 0) {
return PEAR::raiseError(NET_PING_HOST_NOT_FOUND_MSG, NET_PING_HOST_NOT_FOUND);
}
else {
// Here we pass $this->_sysname to the factory(), but it is
// not actually used by the class. It's only maintained in
// the Net_Ping_Result class because the
// Net_Ping_Result::getSysName() method needs to be retained
// for backwards compatibility.
return Net_Ping_Result::factory($this->_result, $this->_sysname);
}
} /* function ping() */
/**
* Check if a host is up by pinging it
*
* @param string $host The host to test
* @param bool $severely If some of the packages did reach the host
* and severely is false the function will return true
* @return bool True on success or false otherwise
*
*/
function checkHost($host, $severely = true)
{
$matches = array();
$this->setArgs(array("count" => 10,
"size" => 32,
"quiet" => null,
"deadline" => 10
)
);
$res = $this->ping($host);
if (PEAR::isError($res)) {
return false;
}
if ($res->_received == 0) {
return false;
}
if ($res->_received != $res->_transmitted && $severely) {
return false;
}
return true;
} /* function checkHost() */
/**
* Output errors with PHP trigger_error(). You can silence the errors
* with prefixing a "@" sign to the function call: @Net_Ping::ping(..);
*
* @param mixed $error a PEAR error or a string with the error message
* @return bool false
* @access private
* @author Kai Schrder <k.schroeder@php.net>
*/
function _raiseError($error)
{
if (PEAR::isError($error)) {
$error = $error->getMessage();
}
trigger_error($error, E_USER_WARNING);
return false;
} /* function _raiseError() */
/**
* Creates the argument list according to platform differences
*
* @return string Argument line
* @access private
*/
function _initArgRelation()
{
$this->_argRelation["sunos"] = array(
"timeout" => NULL,
"ttl" => "-t",
"count" => " ",
"quiet" => "-q",
"size" => " ",
"iface" => "-i"
);
$this->_argRelation["freebsd"] = array (
"timeout" => "-t",
"ttl" => "-m",
"count" => "-c",
"quiet" => "-q",
"size" => NULL,
"iface" => NULL
);
$this->_argRelation["netbsd"] = array (
"timeout" => "-w",
"iface" => "-I",
"ttl" => "-T",
"count" => "-c",
"quiet" => "-q",
"size" => "-s"
);
$this->_argRelation["openbsd"] = array (
"timeout" => "-w",
"iface" => "-I",
"ttl" => "-t",
"count" => "-c",
"quiet" => "-q",
"size" => "-s"
);
$this->_argRelation["darwin"] = array (
"timeout" => "-t",
"iface" => NULL,
"ttl" => NULL,
"count" => "-c",
"quiet" => "-q",
"size" => NULL
);
$this->_argRelation["linux"] = array (
"timeout" => "-W",
"iface" => NULL,
"ttl" => "-t",
"count" => "-c",
"quiet" => "-q",
"size" => "-s",
"deadline" => "-w"
);
$this->_argRelation["linuxdebian"] = array (
"timeout" => "-W",
"iface" => NULL,
"ttl" => "-t",
"count" => "-c",
"quiet" => "-q",
"size" => "-s",
"deadline" => "-w",
);
$this->_argRelation["linuxredhat8"] = array (
"timeout" => NULL,
"iface" => "-I",
"ttl" => "-t",
"count" => "-c",
"quiet" => "-q",
"size" => "-s",
"deadline" => "-w"
);
$this->_argRelation["linuxredhat9"] = array (
"timeout" => "-W",
"iface" => "-I",
"ttl" => "-t",
"count" => "-c",
"quiet" => "-q",
"size" => "-s",
"deadline" => "-w"
);
$this->_argRelation["windows"] = array (
"timeout" => "-w",
"iface" => NULL,
"ttl" => "-i",
"count" => "-n",
"quiet" => NULL,
"size" => "-l"
);
$this->_argRelation["hpux"] = array (
"timeout" => NULL,
"iface" => NULL,
"ttl" => "-t",
"count" => "-n",
"quiet" => NULL,
"size" => " "
);
$this->_argRelation["aix"] = array (
"timeout" => "-i",
"iface" => NULL,
"ttl" => "-T",
"count" => "-c",
"quiet" => NULL,
"size" => "-s"
);
} /* function _initArgRelation() */
} /* class Net_Ping */
/**
* Container class for Net_Ping results
*
* @author Jan Lehnardt <jan@php.net>
* @version $Revision: 274728 $
* @package Net
* @access private
*/
class Net_Ping_Result
{
/**
* ICMP sequence number and associated time in ms
*
* @var array
* @access private
*/
var $_icmp_sequence = array(); /* array($sequence_number => $time ) */
/**
* The target's IP Address
*
* @var string
* @access private
*/
var $_target_ip;
/**
* Number of bytes that are sent with each ICMP request
*
* @var int
* @access private
*/
var $_bytes_per_request;
/**
* The total number of bytes that are sent with all ICMP requests
*
* @var int
* @access private
*/
var $_bytes_total;
/**
* The ICMP request's TTL
*
* @var int
* @access private
*/
var $_ttl;
/**
* The raw Net_Ping::result
*
* @var array
* @access private
*/
var $_raw_data = array();
/**
* The Net_Ping::_sysname
*
* @var int
* @access private
*/
var $_sysname;
/**
* Statistical information about the ping
*
* @var int
* @access private
*/
var $_round_trip = array(); /* array('min' => xxx, 'avg' => yyy, 'max' => zzz) */
/**
* Constructor for the Class
*
* @access private
*/
function Net_Ping_Result($result, $sysname)
{
$this->_raw_data = $result;
// The _sysname property is no longer used by Net_Ping_result.
// The property remains for backwards compatibility so the
// getSystemName() method continues to work.
$this->_sysname = $sysname;
$this->_parseResult();
} /* function Net_Ping_Result() */
/**
* Factory for Net_Ping_Result
*
* @access public
* @param array $result Net_Ping result
* @param string $sysname OS_Guess::sysname
*/
function factory($result, $sysname)
{
return new Net_Ping_Result($result, $sysname);
} /* function factory() */
/**
* Parses the raw output from the ping utility.
*
* @access private
*/
function _parseResult()
{
// MAINTAINERS:
//
// If you're in this class fixing or extending the parser
// please add another file in the 'tests/test_parser_data/'
// directory which exemplafies the problem. And of course
// you'll want to run the 'tests/test_parser.php' (which
// contains easy how-to instructions) to make sure you haven't
// broken any existing behaviour.
// operate on a copy of the raw output since we're going to modify it
$data = $this->_raw_data;
// remove leading and trailing blank lines from output
$this->_parseResultTrimLines($data);
// separate the output into upper and lower portions,
// and trim those portions
$this->_parseResultSeparateParts($data, $upper, $lower);
$this->_parseResultTrimLines($upper);
$this->_parseResultTrimLines($lower);
// extract various things from the ping output . . .
$this->_target_ip = $this->_parseResultDetailTargetIp($upper);
$this->_bytes_per_request = $this->_parseResultDetailBytesPerRequest($upper);
$this->_ttl = $this->_parseResultDetailTtl($upper);
$this->_icmp_sequence = $this->_parseResultDetailIcmpSequence($upper);
$this->_round_trip = $this->_parseResultDetailRoundTrip($lower);
$this->_parseResultDetailTransmitted($lower);
$this->_parseResultDetailReceived($lower);
$this->_parseResultDetailLoss($lower);
if ( isset($this->_transmitted) ) {
$this->_bytes_total = $this->_transmitted * $this->_bytes_per_request;
}
} /* function _parseResult() */
/**
* determinces the number of bytes sent by ping per ICMP ECHO
*
* @access private
*/
function _parseResultDetailBytesPerRequest($upper)
{
// The ICMP ECHO REQUEST and REPLY packets should be the same
// size. So we can also find what we want in the output for any
// succesful ICMP reply which ping printed.
for ( $i=1; $i<count($upper); $i++ ) {
// anything like "64 bytes " at the front of any line in $upper??
if ( preg_match('/^\s*(\d+)\s*bytes/i', $upper[$i], $matches) ) {
return( (int)$matches[1] );
}
// anything like "bytes=64" in any line in the buffer??
if ( preg_match('/bytes=(\d+)/i', $upper[$i], $matches) ) {
return( (int)$matches[1] );
}
}
// Some flavors of ping give two numbers, as in "n(m) bytes", on
// the first line. We'll take the first number and add 8 for the
// 8 bytes of header and such in an ICMP ECHO REQUEST.
if ( preg_match('/(\d+)\(\d+\)\D+$/', $upper[0], $matches) ) {
return( (int)(8+$matches[1]) );
}
// Ok we'll just take the rightmost number on the first line. It
// could be "bytes of data" or "whole packet size". But to
// distinguish would require language-specific patterns. Most
// ping flavors just put the number of data (ie, payload) bytes
// if they don't specify both numbers as n(m). So we add 8 bytes
// for the ICMP headers.
if ( preg_match('/(\d+)\D+$/', $upper[0], $matches) ) {
return( (int)(8+$matches[1]) );
}
// then we have no idea...
return( NULL );
}
/**
* determines the round trip time (RTT) in milliseconds for each
* ICMP ECHO which returned. Note that the array is keyed with the
* sequence number of each packet; If any packets are lost, the
* corresponding sequence number will not be found in the array keys.
*
* @access private
*/
function _parseResultDetailIcmpSequence($upper)
{
// There is a great deal of variation in the per-packet output
// from various flavors of ping. There are language variations
// (time=, rtt=, zeit=, etc), field order variations, and some
// don't even generate sequence numbers.
//
// Since our goal is to build an array listing the round trip
// times of each packet, our primary concern is to locate the
// time. The best way seems to be to look for an equals
// character, a number and then 'ms'. All the "time=" versions
// of ping will match this methodology, and all the pings which
// don't show "time=" (that I've seen examples from) also match
// this methodolgy.
$results = array();
for ( $i=1; $i<count($upper); $i++ ) {
// by our definition, it's not a success line if we can't
// find the time
if ( preg_match('/=\s*([\d+\.]+)\s*ms/i', $upper[$i], $matches) ) {
// float cast deals neatly with values like "126." which
// some pings generate
$rtt = (float)$matches[1];
// does the line have an obvious sequence number?
if ( preg_match('/icmp_seq\s*=\s*([\d+]+)/i', $upper[$i], $matches) ) {
$results[$matches[1]] = $rtt;
}
else {
// we use the number of the line as the sequence number
$results[($i-1)] = $rtt;
}
}
}
return( $results );
}
/**
* Locates the "packets lost" percentage in the ping output
*
* @access private
*/
function _parseResultDetailLoss($lower)
{
for ( $i=1; $i<count($lower); $i++ ) {
if ( preg_match('/(\d+)%/', $lower[$i], $matches) ) {
$this->_loss = (int)$matches[1];
return;
}
}
}
/**
* Locates the "packets received" in the ping output
*
* @access private
*/
function _parseResultDetailReceived($lower)
{
for ( $i=1; $i<count($lower); $i++ ) {
// the second number on the line
if ( preg_match('/^\D*\d+\D+(\d+)/', $lower[$i], $matches) ) {
$this->_received = (int)$matches[1];
return;
}
}
}
/**
* determines the mininum, maximum, average and standard deviation
* of the round trip times.
*
* @access private
*/
function _parseResultDetailRoundTrip($lower)
{
// The first pattern will match a sequence of 3 or 4
// alaphabet-char strings separated with slashes without
// presuming the order. eg, "min/max/avg" and
// "min/max/avg/mdev". Some ping flavors don't have the standard
// deviation value, and some have different names for it when
// present.
$p1 = '[a-z]+/[a-z]+/[a-z]+/?[a-z]*';
// And the pattern for 3 or 4 numbers (decimal values permitted)
// separated by slashes.
$p2 = '[0-9\.]+/[0-9\.]+/[0-9\.]+/?[0-9\.]*';
$results = array();
$matches = array();
for ( $i=(count($lower)-1); $i>=0; $i-- ) {
if ( preg_match('|('.$p1.')[^0-9]+('.$p2.')|i', $lower[$i], $matches) ) {
break;
}
}
// matches?
if ( count($matches) > 0 ) {
// we want standardized keys in the array we return. Here we
// look for the values (min, max, etc) and setup the return
// hash
$fields = explode('/', $matches[1]);
$values = explode('/', $matches[2]);
for ( $i=0; $i<count($fields); $i++ ) {
if ( preg_match('/min/i', $fields[$i]) ) {
$results['min'] = (float)$values[$i];
}
else if ( preg_match('/max/i', $fields[$i]) ) {
$results['max'] = (float)$values[$i];
}
else if ( preg_match('/avg/i', $fields[$i]) ) {
$results['avg'] = (float)$values[$i];
}
else if ( preg_match('/dev/i', $fields[$i]) ) { # stddev or mdev
$results['stddev'] = (float)$values[$i];
}
}
return( $results );
}
// So we had no luck finding RTT info in a/b/c layout. Some ping
// flavors give the RTT information in an "a=1 b=2 c=3" sort of
// layout.
$p3 = '[a-z]+\s*=\s*([0-9\.]+).*';
for ( $i=(count($lower)-1); $i>=0; $i-- ) {
if ( preg_match('/min.*max/i', $lower[$i]) ) {
if ( preg_match('/'.$p3.$p3.$p3.'/i', $lower[$i], $matches) ) {
$results['min'] = $matches[1];
$results['max'] = $matches[2];
$results['avg'] = $matches[3];
}
break;
}
}
// either an array of min, max and avg from just above, or still
// the empty array from initialization way above
return( $results );
}
/**
* determinces the target IP address actually used by ping
*
* @access private
*/
function _parseResultDetailTargetIp($upper)
{
// Grab the first IP addr we can find. Most ping flavors
// put the target IP on the first line, but some only list it
// in successful ping packet lines.
for ( $i=0; $i<count($upper); $i++ ) {
if ( preg_match('/(\d+\.\d+\.\d+\.\d+)/', $upper[$i], $matches) ) {
return( $matches[0] );
}
}
// no idea...
return( NULL );
}
/**
* Locates the "packets received" in the ping output
*
* @access private
*/
function _parseResultDetailTransmitted($lower)
{
for ( $i=1; $i<count($lower); $i++ ) {
// the first number on the line
if ( preg_match('/^\D*(\d+)/', $lower[$i], $matches) ) {
$this->_transmitted = (int)$matches[1];
return;
}
}
}
/**
* determinces the time to live (TTL) actually used by ping
*
* @access private
*/
function _parseResultDetailTtl($upper)
{
//extract TTL from first icmp echo line
for ( $i=1; $i<count($upper); $i++ ) {
if ( preg_match('/ttl=(\d+)/i', $upper[$i], $matches)
&& (int)$matches[1] > 0
) {
return( (int)$matches[1] );
}
}
// No idea what ttl was used. Probably because no packets
// received in reply.
return( NULL );
}
/**
* Modifies the array to temoves leading and trailing blank lines
*
* @access private
*/
function _parseResultTrimLines(&$data)
{
if ( !is_array($data) ) {
print_r($this);
exit;
}
// Trim empty elements from the front
while ( preg_match('/^\s*$/', $data[0]) ) {
array_splice($data, 0, 1);
}
// Trim empty elements from the back
while ( preg_match('/^\s*$/', $data[(count($data)-1)]) ) {
array_splice($data, -1, 1);
}
}
/**
* Separates the upper portion (data about individual ICMP ECHO
* packets) and the lower portion (statistics about the ping
* execution as a whole.)
*
* @access private
*/
function _parseResultSeparateParts($data, &$upper, &$lower)
{
$upper = array();
$lower = array();
// find the blank line closest to the end
$dividerIndex = count($data) - 1;
while ( !preg_match('/^\s*$/', $data[$dividerIndex]) ) {
$dividerIndex--;
if ( $dividerIndex < 0 ) {
break;
}
}
// This is horrible; All the other methods assume we're able to
// separate the upper (preamble and per-packet output) and lower
// (statistics and summary output) sections.
if ( $dividerIndex < 0 ) {
$upper = $data;
$lower = $data;
return;
}
for ( $i=0; $i<$dividerIndex; $i++ ) {
$upper[] = $data[$i];
}
for ( $i=(1+$dividerIndex); $i<count($data); $i++ ) {
$lower[] = $data[$i];
}
}
/**
* Returns a Ping_Result property
*
* @param string $name property name
* @return mixed property value
* @access public
*/
function getValue($name)
{
return isset($this->$name)?$this->$name:'';
} /* function getValue() */
/**
* Accessor for $this->_target_ip;
*
* @return string IP address
* @access public
* @see Ping_Result::_target_ip
*/
function getTargetIp()
{
return $this->_target_ip;
} /* function getTargetIp() */
/**
* Accessor for $this->_icmp_sequence;
*
* @return array ICMP sequence
* @access private
* @see Ping_Result::_icmp_sequence
*/
function getICMPSequence()
{
return $this->_icmp_sequence;
} /* function getICMPSequencs() */
/**
* Accessor for $this->_bytes_per_request;
*
* @return int bytes per request
* @access private
* @see Ping_Result::_bytes_per_request
*/
function getBytesPerRequest()
{
return $this->_bytes_per_request;
} /* function getBytesPerRequest() */
/**
* Accessor for $this->_bytes_total;
*
* @return int total bytes
* @access private
* @see Ping_Result::_bytes_total
*/
function getBytesTotal()
{
return $this->_bytes_total;
} /* function getBytesTotal() */
/**
* Accessor for $this->_ttl;
*
* @return int TTL
* @access private
* @see Ping_Result::_ttl
*/
function getTTL()
{
return $this->_ttl;
} /* function getTTL() */
/**
* Accessor for $this->_raw_data;
*
* @return array raw data
* @access private
* @see Ping_Result::_raw_data
*/
function getRawData()
{
return $this->_raw_data;
} /* function getRawData() */
/**
* Accessor for $this->_sysname;
*
* @return string OS_Guess::sysname
* @access private
* @see Ping_Result::_sysname
*/
function getSystemName()
{
return $this->_sysname;
} /* function getSystemName() */
/**
* Accessor for $this->_round_trip;
*
* @return array statistical information
* @access private
* @see Ping_Result::_round_trip
*/
function getRoundTrip()
{
return $this->_round_trip;
} /* function getRoundTrip() */
/**
* Accessor for $this->_round_trip['min'];
*
* @return array statistical information
* @access private
* @see Ping_Result::_round_trip
*/
function getMin()
{
return $this->_round_trip['min'];
} /* function getMin() */
/**
* Accessor for $this->_round_trip['max'];
*
* @return array statistical information
* @access private
* @see Ping_Result::_round_trip
*/
function getMax()
{
return $this->_round_trip['max'];
} /* function getMax() */
/**
* Accessor for $this->_round_trip['stddev'];
*
* @return array statistical information
* @access private
* @see Ping_Result::_round_trip
*/
function getStddev()
{
return $this->_round_trip['stddev'];
} /* function getStddev() */
/**
* Accessor for $this->_round_tripp['avg'];
*
* @return array statistical information
* @access private
* @see Ping_Result::_round_trip
*/
function getAvg()
{
return $this->_round_trip['avg'];
} /* function getAvg() */
/**
* Accessor for $this->_transmitted;
*
* @return array statistical information
* @access private
*/
function getTransmitted()
{
return $this->_transmitted;
} /* function getTransmitted() */
/**
* Accessor for $this->_received;
*
* @return array statistical information
* @access private
*/
function getReceived()
{
return $this->_received;
} /* function getReceived() */
/**
* Accessor for $this->_loss;
*
* @return array statistical information
* @access private
*/
function getLoss()
{
return $this->_loss;
} /* function getLoss() */
} /* class Net_Ping_Result */
?>
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