File: 0.02.32a/server/base/tests.inc.php (View as HTML)

  1: <?php // tests.inc.php
  2: /* -------------------------------------------------------------
  3: This file is part of FreeNATS
  4: 
  5: FreeNATS is (C) Copyright 2008 PurplePixie Systems
  6: 
  7: FreeNATS is free software: you can redistribute it and/or modify
  8: it under the terms of the GNU General Public License as published by
  9: the Free Software Foundation, either version 3 of the License, or
 10: (at your option) any later version.
 11: 
 12: FreeNATS is distributed in the hope that it will be useful,
 13: but WITHOUT ANY WARRANTY; without even the implied warranty of
 14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15: GNU General Public License for more details.
 16: 
 17: You should have received a copy of the GNU General Public License
 18: along with Foobar.  If not, see www.gnu.org/licenses
 19: 
 20: For more information see www.purplepixie.org/freenats
 21: -------------------------------------------------------------- */
 22: 
 23:  function icmpChecksum($data)
 24:     {
 25:     if (strlen($data)%2)
 26:     $data .= "\x00";
 27:     
 28:     $bit = unpack('n*', $data);
 29:     $sum = array_sum($bit);
 30:     
 31:     while ($sum >> 16)
 32:     $sum = ($sum >> 16) + ($sum & 0xffff);
 33:     
 34:     return pack('n*', ~$sum);
 35:     }
 36: function PingTest($host)
 37: 	{
 38:     // Make Package
 39:     $type= "\x08";
 40:     $code= "\x00";
 41:     $checksum= "\x00\x00";
 42:     $identifier = "\x00\x00";
 43:     $seqNumber = "\x00\x00";
 44:     $data= "FreeNATS";
 45:     $package = $type.$code.$checksum.$identifier.$seqNumber.$data;
 46:     $checksum = icmpChecksum($package); // Calculate the checksum
 47:     $package = $type.$code.$checksum.$identifier.$seqNumber.$data;
 48:     
 49:     // Create Socket
 50:     $socket = @socket_create(AF_INET, SOCK_RAW, 1);
 51:     	//or die(socket_strerror(socket_last_error()));
 52:     if (!$socket) return 0;
 53:     
 54:     // Set Non-Blocking
 55:     @socket_set_nonblock($socket);
 56:     	
 57:     // Connect Socket
 58:     $sconn=@socket_connect($socket, $host, null);
 59:     if (!$sconn) return 0;
 60:     
 61:     // Start Timer
 62:     $startTime = microtime(true);
 63:     
 64:     // Send Data
 65:     @socket_send($socket, $package, strLen($package), 0);
 66:     
 67:     // Read Data
 68:     $keepon=true;
 69:     if (isset($NATS)) $timeout=$NATS->Cfg->Get("test.icmp.timeout",10);
 70:     else $timeout=10;
 71:     while( (!(@socket_read($socket, 255))) && $keepon)
 72:     	{ // basically just kill time
 73:     	// consider putting some sort of sleepy thing here to lower load but would f* with figures!
 74:     	
 75:     	if ( (microtime(true) - $startTime) > $timeout )
 76:     		$keepon=false;
 77: 		}
 78:     	
 79: 	if ($keepon) // didn't time out - read data
 80:     	{
 81: 	    @socket_close($socket);
 82:     	$ret=round(microtime(true) - $startTime, 4);
 83:     	if ($ret==0) return "0.0001";
 84:     	else return $ret;
 85:     	}
 86:     	
 87:     // Socket timed out
 88:     @socket_close($socket);
 89:     return 0;
 90: 	}
 91: 
 92: function WebTest($url)
 93: 	{
 94: 	$fp=@fopen($url,"r");
 95: 	if ($fp<=0) return 0;
 96: 	$ctr=0;
 97: 	while ($body=@fgets($fp,1024)) $ctr+=sizeof($body);
 98: 	@fclose($fp);
 99: 	return $ctr;
100: 	}
101: 	
102: function DoTest($test,$param,$hostname="")
103: {
104: switch ($test)
105: 	{
106: 	case "web":
107: 		return WebTest($param);
108: 		break;
109: 	case "tcp":
110: 		$fp=@fsockopen($hostname,$param);
111: 		if ($fp<=0) return 0;
112: 		@fclose($fp);
113: 		return 1;
114: 		break;
115: 	case "wtime":
116: 		$startTime=microtime(true);
117: 		$r=WebTest($param);
118: 		$elapsedTime=round(microtime(true)-$startTime,4);
119: 		if ($r<=0) return -1;
120: 		if ($r==0) return 0.0001;
121: 		return $elapsedTime;
122: 		break;
123: 	case "testloop":
124: 		return $param;
125: 		break;
126: 		
127: 	case "testrand":
128: 		mt_srand(microtime()*1000000);
129: 		if ( ($param=="") || ($param==0) ) $param=100;
130: 		return mt_rand(0,$param);
131: 		break;
132: 		
133: 	case "ping":
134: 		return PingTest($param);
135: 		break;
136: 	}
137: return -1;
138: }
139: 
140: function SimpleEval($test,$result)
141: {
142: switch($test)
143: 	{
144: 	case "ping": // handles both types of simple evaluation (inbuilt ICMP and remote ping)
145: 		if ($result<=0) return 2;
146: 		return 0;
147: 	case "web":
148: 		if ($result<=0) return 2;
149: 		return 0;
150: 	case "tcp":
151: 		if ($result==1) return 0;
152: 		return 2;
153: 	case "wtime":
154: 		if ($result<0) return 2;
155: 		return 0;
156: 	case "testloop":
157: 		return 0;
158: 	case "testrand":
159: 		return 0;
160: 	}
161: return -1;
162: }
163: 
164: function aText($al)
165: {
166: switch($al)
167: 	{
168: 	case -1: return "Untested";
169: 	case 0: return "Passed";
170: 	case 1: return "Warning";
171: 	case 2: return "Failed";
172: 	default: return "Unknown";
173: 	}
174: }
175: ?>