(* OCaml HTTP - do it yourself (fully OCaml) HTTP daemon Copyright (C) <2002> Stefano Zacchiroli This program 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 Http_types;; open Printf;; let wget addr port path = let rec wget' inchan buf = Buffer.add_string buf (input_line inchan ^ "\n"); wget' inchan buf in prerr_endline (sprintf "DEBUG: wgetting url '%s:%d%s'" addr port path); let sockaddr = Unix.ADDR_INET (Unix.inet_addr_of_string addr, port) in let suck = Unix.socket Unix.PF_INET Unix.SOCK_STREAM 0 in Unix.connect suck sockaddr; let outchan = Unix.out_channel_of_descr suck in output_string outchan (sprintf "GET %s HTTP/1.0\r\n\r\n" path); flush outchan; let inchan = Unix.in_channel_of_descr suck in let buf = Buffer.create 1023 in try wget' inchan buf with End_of_file -> Buffer.contents buf in let callback (req: request) outchan = let i = int_of_string (req#param "x") in prerr_endline (string_of_int i); match i with | 0 -> output_string outchan "1" | x when x>0 -> let data = wget "127.0.0.1" 9999 (sprintf "/foo?x=%d" (x-1)) (* wget "127.0.0.1" 80 "/index.html" *) in output_string outchan (sprintf "%s %d" data x) | _ -> assert false in let mode = `Thread in Http_daemon.start' ~port:9999 ~mode callback