mirror of
https://github.com/Cacti/cacti.git
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Larry Adams
b953f7affe
git-svn-id: svn+ssh://repo.cacti.net/var/data/svnroot/cacti/trunk/cacti@1681 860744bd-22fc-0310-8c96-e9fe5004b5ca
117 lines
2.6 KiB
PHP
117 lines
2.6 KiB
PHP
<?php
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class Net_Ping
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{
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var $icmp_socket;
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var $request;
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var $request_len;
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var $reply;
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var $errstr;
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var $time;
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var $timer_start_time;
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function Net_Ping()
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{
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$this->icmp_socket = socket_create(AF_INET, SOCK_RAW, 1);
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socket_set_block($this->icmp_socket);
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}
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function close_socket()
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{
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socket_close($this->icmp_socket);
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}
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function start_time()
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{
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$this->timer_start_time = microtime();
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}
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function get_time($acc=2)
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{
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// format start time
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$start_time = explode (" ", $this->timer_start_time);
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$start_time = $start_time[1] + $start_time[0];
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// get and format end time
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$end_time = explode (" ", microtime());
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$end_time = $end_time[1] + $end_time[0];
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return number_format ($end_time - $start_time, $acc);
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}
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function build_packet()
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{
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$data = "cacti-monitoring-system"; // the actual test data
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$type = "\x08"; // 8 echo message; 0 echo reply message
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$code = "\x00"; // always 0 for this program
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$chksm = "\xCE\x96"; // generate checksum for icmp request
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$id = "\x40\x00"; // we will have to work with this later
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$sqn = "\x00\x00"; // we will have to work with this later
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// now lets build the actual icmp packet
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$this->request = $type.$code.$chksm.$id.$sqn.$data;
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$this->request_len = strlen($this->request);
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}
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function ping($dst_addr,$timeout=5,$percision=3)
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{
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// lets catch dumb people
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if ((int)$timeout <= 0) $timeout=5;
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if ((int)$percision <= 0) $percision=3;
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// set the timeout
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socket_set_option($this->icmp_socket,
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SOL_SOCKET, // socket level
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SO_RCVTIMEO, // timeout option
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array(
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"sec"=>$timeout, // Timeout in seconds
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"usec"=>0 // I assume timeout in microseconds
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)
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);
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if ($dst_addr) {
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if (@socket_connect($this->icmp_socket, $dst_addr, NULL)) {
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// do nothing
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} else {
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$this->errstr = "Cannot connect to $dst_addr";
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return FALSE;
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}
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$this->build_packet();
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$this->start_time();
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socket_write($this->icmp_socket, $this->request, $this->request_len);
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if (@socket_recv($this->icmp_socket, &$this->reply, 256, 0)) {
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$this->time = $this->get_time($percision);
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return $this->time;
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} else {
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$this->errstr = "Timed out";
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return FALSE;
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}
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} else {
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$this->errstr = "Destination address not specified";
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return FALSE;
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}
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}
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}
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//$ping = new Net_Ping;
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//$i = 0;
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//$j = 0;
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//while (1) {
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// $ping->ping("192.168.0.1", 5, 4);
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// $i++;
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// if ($i == 100) {
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// $j++;
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// $k = $j * 100;
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// echo "Number of Hosts Polled->" . $k . "\n";
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// $i = 0;
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// }
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// if ($ping->time)
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// echo "Time: ".$ping->time."\n";
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// else
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// echo $ping->errstr."\n";
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//}
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//$ping->close_socket();
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?>
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