66 lines
2.2 KiB
Prolog
66 lines
2.2 KiB
Prolog
/* $Id$
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Part of SWI-Prolog
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Author: Jan Wielemaker
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E-mail: jan@swi.psy.uva.nl
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WWW: http://www.swi-prolog.org
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Copyright (C): 1985-2002, University of Amsterdam
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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As a special exception, if you link this library with other files,
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compiled with a Free Software compiler, to produce an executable, this
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library does not by itself cause the resulting executable to be covered
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by the GNU General Public License. This exception does not however
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invalidate any other reasons why the executable file might be covered by
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the GNU General Public License.
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*/
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:- module(http_test,
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[ http_server/2 % :Goal, +Options
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]).
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:- use_module(http_wrapper).
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:- meta_predicate
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http_server(:, +),
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server_loop(:, +).
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%% http_server(:Goal, +Options)
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%
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% Start the server from inetd. This is really easy as user_input
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% is connected to the HTTP input and user_output is the place to
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% write our reply to.
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http_server(Goal, Options) :-
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prompt(_, ''),
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set_stream(user_output, buffer(full)),
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set_stream(user_output, encoding(octet)),
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set_stream(user_input, buffer(full)),
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set_stream(user_input, encoding(octet)),
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server_loop(Goal, Options).
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server_loop(_, _) :-
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at_end_of_stream(user_input), !,
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halt.
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server_loop(Goal, Options) :-
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http_wrapper(Goal, user_input, user_output, Connection, []),
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( downcase_atom(Connection, 'keep-alive')
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-> server_loop(Goal, Options)
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; halt
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).
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server_loop(_, _) :- % wrapper failed
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halt.
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