+ trigger_error($this->rrd_file.' - rrd graph error: '.$return, E_USER_WARNING);
+ $return = $graph_cmd."\n\n".$return;
+ }
+ $return = 'file:'.$fname."\n".$return;
+ return $return;
+ }
+
+ function page($sub = null, $page_extras = null, $graph_extras = null) {
+ // create a (HTML) page and return it in a string
+
+ // assemble configuration
+ $pconf = (array)$page_extras;
+ if (!is_null($sub) && is_array($this->config_raw['page.'.$sub])) {
+ $pconf = $pconf + $this->config_raw['page.'.$sub];
+ }
+ $pconf = $pconf + (array)$this->config_page;
+
+ $return = null;
+ switch ($pconf['type']) {
+ case 'index':
+ $return = $this->page_index($pconf);
+ break;
+ case 'overview':
+ $return = $this->page_overview($pconf, $graph_extras);
+ break;
+ case 'simple':
+ default:
+ $return = $this->page_simple($pconf, $graph_extras);
+ break;
+ }
+ return $return;
+ }
+
+ function simple_html($sub = null, $page_extras = null, $graph_extras = null) {
+ // create a simple (MRTG-like) HTML page and return it in a string
+ // XXX: this is here temporarily for compat only, it's preferred to use page()!
+
+ // assemble configuration
+ $pconf = (array)$page_extras;
+ if (!is_null($sub) && is_array($this->config_raw['page.'.$sub])) {
+ $pconf = $pconf + $this->config_raw['page.'.$sub];
+ }
+ $pconf = $pconf + (array)$this->config_page;
+
+ return $this->page_simple($pconf, $graph_extras);
+ }
+
+ function page_index($pconf) {
+ // create a bare, very simple index list HTML page and return it in a string
+
+ $ptitle = isset($pconf['title_page'])?$pconf['title_page']:'Index - RRD statistics';
+
+ $out = '<html><head>';
+ $out .= '<title>'.$ptitle.'</title>';
+ $out .= '<style>';
+ if (isset($pconf['style_base'])) { $out .= $pconf['style_base']; }
+ else {
+ $out .= 'h1 { font-weight: bold; font-size: 1.5em; }';
+ $out .= '.footer { font-size: 0.75em; margin: 0.5em 0; }';
+ $out .= 'li.scanfile { font-style: italic; }';
+ }
+ if (isset($pconf['style'])) { $out .= $pconf['style']; }
+ $out .= '</style>';
+ $out .= '</head>';
+ $out .= '<body>';
+
+ $out .= '<h1>'.$ptitle.'</h1>';
+ $out .= '<p class="intro">The following RRD stats are available:</p>';
+
+ $out .= '<ul class="indexlist">';
+ $snames = array(); $s_exclude = array();
+ $stats = array(); $sfiles = array();
+ if (isset($pconf['index_ids'])) {
+ foreach (explode(',', $pconf['index_ids']) as $iid) {
+ if ($iid{0} == '-') { $s_exclude[] = substr($iid, 1); }
+ else { $snames[] = $iid; }
+ }
+ }
+ if (!isset($pconf['scan_config']) || $pconf['scan_config']) {
+ foreach ($this->config_all as $iname=>$rinfo) {
+ if (($iname != '*') && !(isset($rinfo['hidden']) && $rinfo['hidden']) &&
+ !(in_array($iname, $snames)) && !(in_array($iname, $s_exclude))) {
+ $snames[] = $iname;
+ }
+ }