[2] | 1 | <?php |
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| 2 | /**************************************************************************\ |
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| 3 | * eGroupWare API - Ping class * |
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| 4 | * This file written by Joseph Engo <jengo@phpgroupware.org> * |
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| 5 | * Linux only ping class for detecting network connections * |
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| 6 | * Copyright (C) 2001 Joseph Engo * |
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| 7 | * -------------------------------------------------------------------------* |
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| 8 | * This library is part of the eGroupWare API * |
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| 9 | * http://www.egroupware.org/api * |
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| 10 | * ------------------------------------------------------------------------ * |
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| 11 | * This library is free software; you can redistribute it and/or modify it * |
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| 12 | * under the terms of the GNU Lesser General Public License as published by * |
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| 13 | * the Free Software Foundation; either version 2.1 of the License, * |
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| 14 | * or any later version. * |
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| 15 | * This library is distributed in the hope that it will be useful, but * |
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| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * |
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| 18 | * See the GNU Lesser General Public License for more details. * |
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| 19 | * You should have received a copy of the GNU Lesser General Public License * |
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| 20 | * along with this library; if not, write to the Free Software Foundation, * |
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| 21 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
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| 22 | \**************************************************************************/ |
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| 23 | |
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| 24 | |
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| 25 | class ping |
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| 26 | { |
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| 27 | var $hostname; |
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| 28 | var $packet_tx; |
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| 29 | var $packet_rx; |
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| 30 | var $packet_loss; |
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| 31 | var $reponse_min; |
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| 32 | var $reponse_max; |
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| 33 | var $reponse_avg; |
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| 34 | var $reponse_mdev; |
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| 35 | |
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| 36 | var $raw_array_of_data = array(); |
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| 37 | |
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| 38 | function ping($hostname) |
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| 39 | { |
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| 40 | $this->hostname = $hostname; |
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| 41 | $this->re_ping(); |
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| 42 | } |
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| 43 | |
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| 44 | function clear_values() |
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| 45 | { |
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| 46 | $this->packet_tx = 0; |
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| 47 | $this->packet_rx = 0; |
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| 48 | $this->packet_loss = 0; |
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| 49 | $this->reponse_min = ''; |
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| 50 | $this->reponse_max = ''; |
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| 51 | $this->reponse_avg = ''; |
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| 52 | $this->reponse_mdev = ''; |
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| 53 | $this->raw_array_of_data = array(); |
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| 54 | } |
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| 55 | |
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| 56 | function re_ping() |
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| 57 | { |
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| 58 | $this->clear_values(); |
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| 59 | |
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| 60 | $raw_data = `ping -c 5 $this->hostname`; |
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| 61 | $this->raw_array_of_data = explode("\n",$raw_data); |
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| 62 | |
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| 63 | $this->parse_times(); |
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| 64 | $this->parse_responses(); |
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| 65 | } |
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| 66 | |
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| 67 | function parse_responses() |
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| 68 | { |
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| 69 | $dl = $this->raw_array_of_data[count($this->raw_array_of_data) - 3]; |
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| 70 | $values = explode(',',$dl); |
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| 71 | |
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| 72 | $packet_tx = str_replace(' packets transmitted','',$values[0]); |
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| 73 | $packet_rx = str_replace(' packets received','',$values[1]); |
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[5934] | 74 | $packet_loss = preg_replace('/% packet loss/','',$values[2]); |
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[2] | 75 | |
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| 76 | $this->packet_tx = (int)str_replace(' ','',$packet_tx); |
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| 77 | $this->packet_rx = (int)str_replace(' ','',$packet_rx); |
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| 78 | $this->packet_loss = (int)str_replace(' ','',$packet_loss); |
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| 79 | } |
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| 80 | |
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| 81 | function parse_times() |
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| 82 | { |
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| 83 | $tl = $this->raw_array_of_data[count($this->raw_array_of_data) - 2]; |
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| 84 | $times_split = explode(' = ',$tl); |
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| 85 | $raw_times = $times_split[1]; |
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| 86 | $raw_times = str_replace(' ms','',$raw_times); |
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| 87 | $values = explode('/',$raw_times); |
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| 88 | |
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| 89 | $this->response_min = $values[0]; |
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| 90 | $this->response_avg = $values[1]; |
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| 91 | $this->response_max = $values[2]; |
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| 92 | $this->response_mdev = $values[3]; |
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| 93 | } |
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| 94 | |
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| 95 | function debug_output() |
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| 96 | { |
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| 97 | echo '<br><b>Debug output</b><hr width="20%" align="left">'; |
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| 98 | echo '<b>hostname:</b> ' . $this->hostname; |
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| 99 | echo '<br><b>tx:</b> ' . $this->packet_tx; |
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| 100 | echo '<br><b>rx:</b> ' . $this->packet_rx; |
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| 101 | echo '<br><b>loss:</b> ' . $this->packet_loss; |
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| 102 | echo '<br><b>min:</b> ' . $this->response_min; |
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| 103 | echo '<br><b>max:</b> ' . $this->response_max; |
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| 104 | echo '<br><b>avg:</b> ' . $this->response_avg; |
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| 105 | echo '<br><b>mdev:</b> ' . $this->response_mdev; |
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| 106 | } |
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| 107 | } |
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