(************************************************************************)
(* This file is part of SKS.  SKS is free software; you can
   redistribute it and/or modify it under the terms of the GNU General
   Public License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
   USA *)
(***********************************************************************)

open StdLabels
open MoreLabels
open Printf
open Common
open Packet
module Unix = UnixLabels
open Unix
open DbMessages

module Keydb = Keydb.Make(struct 
			    let withtxn = !Settings.transactions
			    and cache_bytes = !Settings.cache_bytes
			    and pagesize = !Settings.pagesize
			    and dbdir = !Settings.dbdir
			    and dumpdir = !Settings.dumpdir
			  end)

let print_entry (time,event) = 
  let tm = Unix.localtime time in
  printf "%04d-%02d-%02d %02d:%02d:%02d " 
    (tm.Unix.tm_year + 1900) (tm.Unix.tm_mon + 1) 
    tm.Unix.tm_mday (* date *)
    tm.Unix.tm_hour tm.Unix.tm_min tm.Unix.tm_sec;
  (match event with
     | Add hash -> printf "Add %s" (KeyHash.hexify hash)
     | Delete hash -> printf "Del %s" (KeyHash.hexify hash)
  );
  printf "\n"
  
let rec last list = match list with
    [] -> raise Not_found
  | [x] -> x
  | hd::tl -> last tl

let rec printlog ts = 
  let entries = Keydb.logquery ts in
  if entries = [] then ()
  else
    let (new_ts,_) = last entries in
    List.iter entries ~f:print_entry;
    printlog new_ts


let () = 
  Keydb.open_dbs ();
  printlog 0.