function investigate()
{
global $bd;
if ($this->dbrow != false) {
$this->origrow = $this->dbrow;
} else {
$this->origrow = get_searchrow($this->sid);
}
if ($this->origrow != false) {
$this->fexists = false;
$this->drive = $this->origrow['drive'];
$this->investigated = true;
$this->relativepath = $this->origrow['fpath'];
$this->fsize = $this->origrow['fsize'];
$this->fdate = $this->origrow['date'];
$this->xid = $this->origrow['xid'];
$this->free = $this->origrow['free'];
if ($bd->isdrive($this->drive)) {
$this->fname = $this->origrow['fname'];
switch ($bd->gtype($this->drive)) {
case 'l':
$this->fullpath = $bd->getpath($this->drive) . $this->relativepath . $this->fname;
if (OPTIMISTICFILE) {
$this->fexists = true;
} else {
if (@file_exists($this->fullpath)) {
$this->fexists = true;
}
}
break;
case 'n':
$kp = new kpnetwork();
if ($kp->setdrive($this->drive)) {
$this->fullpath = $kp->gensidurl($this);
} else {
$this->fullpath = '';
}
$this->fexists = true;
break;
}
}
} else {
return false;
}
}