-let logout_user uid =
- match List.assoc uid !user_tbl with
- | _,None -> ()
- | pw, Some sid ->
- user_tbl := (uid,(pw,None))::List.remove_assoc uid !user_tbl;
- session_tbl := List.remove_assoc (uid,sid) !session_tbl
+let get_session_owner sid =
+ let uid,_,_ = List.assoc sid !session_tbl
+ in uid
+
+let get_status sid =
+ let _,st,_ = List.assoc sid !session_tbl
+ in st
+
+let get_history sid =
+ let _,_,hist = List.assoc sid !session_tbl
+ in hist
+
+let set_status sid st =
+ let uid, oldst, hist = List.assoc sid !session_tbl in
+ session_tbl := (sid,(uid,st,hist))::(List.remove_assoc sid !session_tbl)
+
+let set_history sid hist =
+ let uid, st, oldhist = List.assoc sid !session_tbl in
+ session_tbl := (sid,(uid,st,hist))::(List.remove_assoc sid !session_tbl)
+
+let logout_user sid =
+ let uid,st,hist = List.assoc sid !session_tbl in
+ let pw,_ = List.assoc uid !user_tbl in
+ user_tbl := (uid,(pw,None))::List.remove_assoc uid !user_tbl;
+ session_tbl := List.remove_assoc sid !session_tbl