function zkgetattendance($self)
{
$command = CMD_ATTLOG_RRQ;
$command_string = '';
$chksum = 0;
$session_id = $self->session_id;
$u = unpack('H2h1/H2h2/H2h3/H2h4/H2h5/H2h6/H2h7/H2h8', substr($self->data_recv, 0, 8));
$reply_id = hexdec($u['h8'] . $u['h7']);
$buf = $self->createHeader($command, $chksum, $session_id, $reply_id, $command_string);
socket_sendto($self->zkclient, $buf, strlen($buf), 0, $self->ip, $self->port);
//try {
socket_recvfrom($self->zkclient, $self->data_recv, 1024, 0, $self->ip, $self->port);
if (getSizeAttendance($self)) {
$bytes = getSizeAttendance($self);
while ($bytes > 0) {
socket_recvfrom($self->zkclient, $data_recv, 1032, 0, $self->ip, $self->port);
array_push($self->attendancedata, $data_recv);
$bytes -= 1024;
}
$self->session_id = hexdec($u['h6'] . $u['h5']);
socket_recvfrom($self->zkclient, $data_recv, 1024, 0, $self->ip, $self->port);
}
$attendance = array();
if (count($self->attendancedata) > 0) {
# The first 4 bytes don't seem to be related to the user
for ($x = 0; $x < count($self->attendancedata); $x++) {
if ($x > 0) {
$self->attendancedata[$x] = substr($self->attendancedata[$x], 8);
}
}
$attendancedata = implode('', $self->attendancedata);
$attendancedata = substr($attendancedata, 10);
while (strlen($attendancedata) > 40) {
$u = unpack('H78', substr($attendancedata, 0, 39));
//24s1s4s11s
//print_r($u);
$uid = hexdec(substr($u[1], 0, 6));
$uid = explode(chr(0), $uid);
$uid = intval($uid[0]);
$id = intval(str_replace("", '', hex2bin(substr($u[1], 6, 8))));
$state = hexdec(substr($u[1], 66, 2));
$ver = hexdec(substr($u[1], 56, 2));
$timestamp = decode_time(hexdec(reverseHex(substr($u[1], 58, 8))));
# Clean up some messy characters from the user name
#uid = unicode(uid.strip('\x00|\x01\x10x'), errors='ignore')
#uid = uid.split('\x00', 1)[0]
#print "%s, %s, %s" % (uid, state, decode_time( int( reverseHex( timestamp.encode('hex') ), 16 ) ) )
array_push($attendance, array($uid, $id, $state, $timestamp, $ver));
$attendancedata = substr($attendancedata, 40);
}
}
return $attendance;
//} catch(exception $e) {
//return False;
//}
}
function zkgettime($self)
{
$command = CMD_GET_TIME;
$command_string = '';
$chksum = 0;
$session_id = $self->session_id;
$u = unpack('H2h1/H2h2/H2h3/H2h4/H2h5/H2h6/H2h7/H2h8', substr($self->data_recv, 0, 8));
$reply_id = hexdec($u['h8'] . $u['h7']);
$buf = $self->createHeader($command, $chksum, $session_id, $reply_id, $command_string);
socket_sendto($self->zkclient, $buf, strlen($buf), 0, $self->ip, $self->port);
try {
socket_recvfrom($self->zkclient, $self->data_recv, 1024, 0, $self->ip, $self->port);
$u = unpack('H2h1/H2h2/H2h3/H2h4/H2h5/H2h6', substr($self->data_recv, 0, 8));
$self->session_id = hexdec($u['h6'] . $u['h5']);
return decode_time(hexdec(reverseHex(bin2hex(substr($self->data_recv, 8)))));
} catch (ErrorException $e) {
return FALSE;
} catch (exception $e) {
return False;
}
}
