+ /*
+ $laddr is native php int (32 or 64 bit)
+ if ret True is ip is free
+ */
+ function selfreg_check($laddr)
+ {
+ GLOBAL $G_dbpfx, $G_selfreg_tout, $G_selfreg_mask;
+
+ $sere_sql = sprintf("DELETE from %sselfreg_chk WHERE atime < now();", $G_dbpfx);
+ if (($sere_pg = $this->query($sere_sql)) == FALSE) {
+ return (FALSE);
+ }
+
+ if (($sere_pg = $this->query($sere_sql)) == FALSE) {
+ return (FALSE);
+ }
+
+ $sere_sql = sprintf("SELECT * FROM %sselfreg_chk WHERE (ip & %d) = %d;",
+ $G_dbpfx, int2four($G_selfreg_mask), int2four($laddr & $G_selfreg_mask));
+ if (($sere_pg = $this->query($sere_sql)) == FALSE) {
+ return(FALSE);
+ }
+
+ $ret = pg_numrows($sere_pg);
+
+ if ($ret === FALSE) {
+ return(FALSE);
+ }
+ else if ($ret === 0) {
+ return(TRUE);
+ }
+ else if ($ret > 0) {
+ // already present
+ return(FALSE);
+ }
+ else {
+ // unreachable branch
+ return(FALSE);
+ }
+ }
+
+ /*
+ $laddr is native php int (32 or 64 bit)
+ if ret True is ip is free
+ */
+ function selfreg_set($laddr)
+ {
+ GLOBAL $G_dbpfx, $G_selfreg_tout, $G_selfreg_mask;
+
+ $newi_sql = sprintf("INSERT INTO %sselfreg_chk (ip, atime) VALUES (%d, now() + interval '%d seconds');",
+ $G_dbpfx, int2four($laddr & $G_selfreg_mask), $G_selfreg_tout);
+ if (($newi_pg = $this->query($newi_sql)) == FALSE) {
+ return(FALSE);
+ }
+ return(TRUE);
+ }
+