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<?php |
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/** |
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* Generates a filename based on the hostname (or IP) and some extra items |
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* |
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* @param array $device Device array |
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* @param array|string $extra Components of RRD filename - will be separated with "-", or a pre-formed rrdname |
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* @param string $extension File extension (default is .rrd) |
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* @return string the name of the rrd file for $host's $extra component |
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*/ |
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function rrd_name($device, $extra, $extension = '.rrd') |
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{ |
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$filename = safename(is_array($extra) ? implode("-", $extra) : $extra); |
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return implode("/", array(Settings::get('rrd_dir'), $device->hostname, $filename.$extension)); |
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} |
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/** |
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* Escapes strings for RRDtool |
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* |
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* @param string $string the string to escape |
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* @param integer $length if passed, string will be padded and trimmed to exactly this length (after rrdtool unescapes it) |
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* @return string |
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*/ |
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function rrdtool_escape($string, $length = null) |
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{ |
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$result = shorten_interface_type($string); |
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$result = str_replace("'", '', $result); # remove quotes |
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$result = str_replace('%', '%%', $result); # double percent signs |
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if (is_numeric($length) && strlen($string) > $length) { |
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$extra = substr_count($string, ':', 0, $length); |
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$result = substr(str_pad($result, $length), 0, ($length + $extra)); |
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if ($extra > 0) { |
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$result = substr($result, 0, (-1 * $extra)); |
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} |
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} |
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$result = str_replace(':', '\:', $result); # escape colons |
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return $result.' '; |
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} // rrdtool_escape |
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function build_rrdtool($arg) |
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{ |
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$rrdtool = Settings::get('rrdtool'); |
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$rrdcached = Settings::get('rrdcached'); |
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$rrdcached_dir = Settings::get('rrdcached_dir'); |
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$rrd_dir = Settings::get('rrd_dir'); |
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$rrd_daemon = ''; |
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if (isset($rrdcached)) { |
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if (isset($rrdcached_dir) && $rrdcached_dir !== false) { |
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$arg = str_replace($rrd_dir.'/', './'.$rrdcached_dir.'/', $arg); |
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$arg = str_replace($rrd_dir, './'.$rrdcached_dir.'/', $arg); |
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} |
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$rrd_daemon = " --daemon $rrdcached "; |
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} |
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return $rrdtool . ' ' . $rrd_daemon . $arg; |
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} |
librenms /
librenmsv2
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