+(* Copyright (C) 2000, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM 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.
+ *
+ * HELM 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 HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://cs.unibo.it/helm/.
+ *)
+
exception XsltProcessorCouldNotSend;;
exception XsltProcessorCouldNotReceive;;
(* purge the cache if asked to *)
if not usecache && tmp_file_exists then
Sys.remove tmpfile ;
- let string_to_send = mode ^ " " ^ url ^ " " ^ tmpfile in
+ (* let string_to_send = mode ^ " " ^ url ^ " " ^ tmpfile in *)
+ let string_to_send = "apply " ^ url ^ " " ^ tmpfile ^
+ match mode with
+ "cic" -> " C1 C2"
+ | "theory" -> " T1 T2"
+ in
(* next function is for looping in case the server is not responding *)
- let rec contact_server () =
- let socketclient = U.socket U.PF_INET U.SOCK_DGRAM 0
- and socketserver = U.socket U.PF_INET U.SOCK_DGRAM 0 in
- let bounded = ref false in
- while not !bounded do
- try
- U.bind socketclient (U.ADDR_INET(U.inet_addr_any,portclient)) ;
- bounded := true
- with _ ->
- print_endline "Port unavailable. Retrying..." ; flush stdout ;
- U.sleep 5 (* wait hoping the inetaddr is released *)
- done ;
+ let socketserver = U.socket U.PF_INET U.SOCK_DGRAM 0 in
+ let rec contact_server () =
let n =
+ Printf.printf "sending %s to server...\n" string_to_send;
+ flush stdout;
U.sendto socketserver string_to_send 0 (String.length string_to_send)
[] (U.ADDR_INET(U.inet_addr_any,portserver))
in
if n = -1 then raise XsltProcessorCouldNotSend ;
- U.close socketserver ;
- let process_signal _ = U.close socketclient in
+ let process_signal _ = () in
Sys.set_signal Sys.sigalrm (Sys.Signal_handle process_signal) ;
(* if the server does not respond, repeat the query *)
ignore (U.alarm time_to_wait) ;
try
- if U.recv socketclient "" 0 0 [] = -1 then
+ if U.recv socketserver "" 0 0 [] = -1 then
raise XsltProcessorCouldNotReceive ;
ignore (U.alarm 0) ; (* stop the bomb *)
Sys.set_signal Sys.sigalrm Sys.Signal_default ;
- U.close socketclient ;
+ U.close socketserver ;
tmpfile
with
U.Unix_error(_,"recv",_) ->
flush stdout;
contact_server ()
in
- contact_server ()
+ contact_server ()
;;