Ejemplo n.º 1
0
 public function __construct(TESTReader &$reader, OPTIONS &$opts, &$items, INTERVAL &$ivl, $resample)
 {
     $period = $opts->Get('period');
     $this->multiplier = $reader->GetFractionalMultiplier($period);
     $this->period = $this->multiplier * $period;
     $this->resample = $this->multiplier * $resample;
     $from = $this->multiplier * $ivl->GetWindowStart();
     $ifrom = ceil($from);
     $rem = $ifrom % $this->period;
     if ($rem) {
         $this->from = $ifrom + ($this->period - $rem);
     } else {
         $this->from = $ifrom;
     }
     $this->to = $this->multiplier * $ivl->GetWindowEnd();
     $limit = $ivl->GetItemLimit();
     if ($limit) {
         if ($limit > 0) {
             $to = $this->from + $this->period * $limit;
             if ($to < $this->to) {
                 $this->to = $to;
             }
         } else {
             $from = $this->to + $this->period * $limit;
             if ($from > $this->from) {
                 $this->from = $from;
             }
         }
     }
     $this->items =& $items;
     $limit = $opts->GetDateLimit(TESTData::DEFAULT_START, time());
     $this->start = $limit[0];
 }
Ejemplo n.º 2
0
 public function __construct(RRDReader &$reader, OPTIONS &$opts, &$items, INTERVAL &$ivl, $resample)
 {
     parent::__construct($props);
     $data_start = $opts->Get('data_start');
     $data_start = date("F j, Y", $data_start);
     $this->period = $opts->Get('step');
     $this->file = $reader->rrd_folder . "/" . $reader->rrd_prefix . $opts->Get('file') . ".rrd";
     $this->info = $reader::GetRRDInfo($opts->Get('file'), $reader);
     //get information on the rrd and its archives
     $this->resample = $resample;
     $from = $ivl->GetWindowStart();
     $ifrom = ceil($from);
     //get start point as integer
     $rem = $ifrom % $this->period;
     //checks whether start point as integer is a multiple of period
     if ($rem) {
         $this->from = $ifrom + ($this->period - $rem);
     } else {
         $this->from = $ifrom;
     }
     //if yes, from is ifrom
     $this->pos = $this->from;
     $this->to = $ivl->GetWindowEnd();
     $limit = $ivl->GetItemLimit();
     //get interval's item limit, if any (defines how many datapoints to show and adjusts to or from based on that?)
     if ($limit) {
         if ($limit > 0) {
             $to = $this->from + $this->period * $limit;
             if ($to < $this->to) {
                 $this->to = $to;
             }
         } else {
             $from = $this->to + $this->period * $limit;
             if ($from > $this->from) {
                 $this->from = $from;
             }
         }
     }
     $this->items =& $items;
     //items to show (rra:s in this case)
     //this sets the caching starting point based on the longest rra:s datapoints
     $limit = $opts->GetDateLimit($data_start, time());
     //$limit = $opts->GetDateLimit($this::DEFAULT_START, time());//gets the window limits (as in, the first and last possible timestamp values)
     $this->start = $limit[0];
 }