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[mirrors/Programs.git] / php / skripty / ping.php

<?php\r
\r
function ping($host) {\r
   $package = "\x08\x00\x19\x2f\x00\x00\x00\x00\x70\x69\x6e\x67";\r
\r
   /* create the socket, the last '1' denotes ICMP */   \r
   $socket = socket_create(AF_INET, SOCK_RAW, 1);\r
  \r
   /* set socket receive timeout to 1 second */\r
   socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, array("sec" => 3, "usec" => 0)); //<-- Change TimeOut Here <--\r
  \r
   /* connect to socket */\r
   socket_connect($socket, $host, null);\r
  \r
   /* record start time */\r
   list($start_usec, $start_sec) = explode(" ", microtime());\r
   $start_time = ((float) $start_usec + (float) $start_sec);\r
  \r
   socket_send($socket, $package, strlen($package), 0);\r
  \r
   if(@socket_read($socket, 255)) {\r
       list($end_usec, $end_sec) = explode(" ", microtime());\r
       $end_time = ((float) $end_usec + (float) $end_sec);\r
  \r
       $total_time = $end_time - $start_time;\r
      \r
       return $total_time;\r
   } else {\r
       return false;\r
   }\r
  \r
   socket_close($socket);\r
}\r
\r
//READLINE\r
function readline ( $fp ) {\r
  //echo $prompt;\r
  \r
  $t = "";\r
  $c = "";\r
  \r
  while(1) {\r
    $c = fgetc($fp);\r
    if ($c == "\n") {    // && ($c == "\r") //May be later on oher systems\r
      return $t;\r
    } else {\r
      $t = ($t.$c);\r
    }\r
  }\r
\r
   return $t;\r
    \r
}\r
//READLINE END\r
\r
//Code\r
\r
//echo (ping ("192.168.2.1"));\r
$fp = fopen("hosts.txt", "r+"); //host list file (hosts separated by newline, ends with two empty lines)\r
\r
$fhost = "EMPTY";\r
while ($fhost != "") {\r
\r
  $ping = "";\r
  $fhost = trim(readline($fp));\r
  \r
  if ( $fhost != "" ) {\r
    echo("HOST: ".$fhost);\r
    \r
    try {\r
      $ping = ping($fhost);\r
    } catch(string $err) {}\r
    \r
    if ( ($ping != "") && ($ping > "0") ) {\r
      echo(" - UP PING: ".$ping." sec.\n");\r
    } else {\r
      echo (" - TIMED OUT\n");\r
    }\r
  }\r
  \r
}\r
\r
?>\r