diff options
Diffstat (limited to 'usr/local/bin')
| -rw-r--r-- | usr/local/bin/captiveportal_gather_stats.php | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/usr/local/bin/captiveportal_gather_stats.php b/usr/local/bin/captiveportal_gather_stats.php new file mode 100644 index 0000000..5fe1c6b --- /dev/null +++ b/usr/local/bin/captiveportal_gather_stats.php @@ -0,0 +1,106 @@ +#!/usr/local/bin/php -q +<?php +/* $Id$ */ +/* + captiveportal_gather_stats.php + Copyright (C) 2011 Warren Baker + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +require_once("functions.inc"); +require_once("captiveportal.inc"); +require_once("util.inc"); + +/* read in captive portal db */ +$cpdb = captiveportal_read_db(); + +/* determine number of logged in users */ +$no_users = count($cpdb); +$concurrent_users = $no_users; + +/* set initial user count to zero */ +$current_user_count = 0; + +/* tmp file to use to store old data (per interface)*/ +$tmpfile = "{$g['tmp_path']}/captiveportal_online_users"; + +$type = $argv[1]; + +if(empty($type)) + exit; + +/* echo the rrd required syntax */ +echo "N:"; + +if ($type == "loggedin") { + + /* Find out the previous user timestamp + * so we can determine the difference between the current + * and previous user count. If the file is empty return a 0. + */ + $fd = @fopen($tmpfile, "r"); + if ($fd) { + while (!feof($fd)) { + $line = trim(fgets($fd)); + if($line) + $previous_user_timestamp = $line; + else + $previous_user_timestamp = 0; + } + } else { + $previous_user_timestamp = 0; + } + @fclose($fd); + + + foreach($cpdb as $user) { + $user_ip = $user[2]; + // Record the timestamp + $timestamp = $user[0]; + if ($timestamp > $previous_user_timestamp) + $current_user_count = $current_user_count + 1; + } + + // Write out the latest timestamp + $fd = @fopen($tmpfile, "w"); + if ($fd) { + fwrite($fd, $timestamp); + } + @fclose($fd); + + /* If $timestamp is less than or equal to previous_user_timestamp return 0, + * as we only want the 'X' number of users logged in since last RRD poll. + */ + if($timestamp <= $previous_user_timestamp) + $result = 0; + else { + $result = $current_user_count; + } +} else + $result = $no_users; + + +echo "$result"; + +?>
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