function __construct(CACHEDB $cache, MASK $mask, INTERVAL $ivl, $type, $amount, $limit, $resolution, $flags = 0)
{
$this->cache =& $cache;
$this->ids = sizeof($mask->ids);
$this->ivl =& $ivl;
$this->mask =& $mask;
$this->type = $type;
$this->limit = $limit;
$this->amount = $amount;
if ($resolution === false) {
$this->resolution = $cache->resolution->Get($this->ivl, $this->amount);
} else {
$this->resolution = $resolution;
}
$this->operation_info = array();
$this->options = array();
$this->flags = $flags;
$resolution = $cache->resolution->GetWindowSize($this->resolution);
$size = $ivl->GetWindowSize();
if ($limit) {
$mingap = $size / $limit;
if ($resolution) {
$mingap = ceil($mingap / $resolution) * $resolution;
}
} else {
if ($resolution) {
$mingap = $resolution;
} else {
$mingap = 0;
}
}
$this->expected_gap = $mingap;
if ($mingap && ($this->flags & CACHE::REPORT_EMPTY || $this->flags & CACHE::MISSING_INFO)) {
$res = $cache->resolution->Minimal();
$this->allowed_gap = $cache->resolution->GetWindowSize($res);
} else {
$this->allowed_gap = false;
}
/*
echo $amount . " , " . $limit . "\n";
echo $mingap . "\n";
exit;
*/
}
function ExportGroup(REQUEST $req, READER $rdr, LOGGROUP $grp, INTERVAL $ivl, MASK $msk = NULL, $title = false)
{
global $ROOT_COMBIHIST_LIMIT;
if (!$title) {
$title = $this->GetGroupName($rdr->srvid, $rdr->dbname, $grp->gid, $msk ? $msk->name : "");
}
$opts =& $req->GetOptions();
$subseconds = !$opts->Get('ignore_subsecond');
if ($this->stream && !$this->handler->multigroup) {
$stream_args = array_merge($this->stream_args, array("expected_blocks" => $this->expected_groups, "block_title" => $title, "block_number" => 0));
$stream_args["extension"] = $this->handler->GetExtension();
if (in_array("ROOT", $this->specials)) {
if (!isset($ROOT_COMBIHIST_LIMIT) || $ivl->GetWindowSize() < $ROOT_COMBIHIST_LIMIT) {
$stream_args['root__combhist'] = 1;
} else {
$stream_args['root__combhist'] = 0;
}
}
$this->stream->BlockStart($stream_args);
}
$this->handler->GroupStart($title, $subseconds);
$rdr->Export($this->handler, $grp, $msk, $ivl, $this->resample, "", $this->dmcb);
$this->handler->GroupEnd();
if ($this->stream && !$this->handler->multigroup) {
$this->stream->BlockEnd();
}
}
