(* Copyright (C) 2002, 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/. *) open Printf;; let debug = true;; let debug_print s = if debug then prerr_endline s;; let daemon_name = "Draw Graph";; let default_port = 48083;; let default_dir = "/projects/helm/graphs/tools";; let port_env_var = "DRAW_GRAPH_PORT";; let dir_env_var = "DRAW_GRAPH_DIR";; let wget url fname = prerr_endline (sprintf "DEBUG: wgetting url '%s'" url); let oc = open_out fname in Http_client.http_get_iter (output_string oc) url; close_out oc ;; let port = try int_of_string (Sys.getenv port_env_var) with | Not_found -> default_port | Failure "int_of_string" -> prerr_endline "Warning: invalid port, reverting to default"; default_port in let dir = try Sys.getenv dir_env_var with Not_found -> default_dir in let errmsg = sprintf "