src/mail/smtplog.sml

   1 (* HCoop Domtool (http://hcoop.sourceforge.net/)
   2  * Copyright (c) 2006, Adam Chlipala
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  *)
  18
  19 (* Selective viewing of SMTP logs *)
  20
  21 structure SmtpLog :> SMTP_LOG = struct
  22
  23 fun search handler domain =
  24     let
  25         val proc = Unix.execute (Config.sudo,
  26                                  [Config.domtool_publish,
  27                                   "smtplog",
  28                                   String.translate (fn #"." => "\\."
  29                                                      | ch => str ch) domain])
  30
  31         val inf = Unix.textInstreamOf proc
  32
  33         fun loop () =
  34             case TextIO.inputLine inf of
  35                 NONE => ()
  36               | SOME line => (handler line;
  37                               loop ())
  38     in
  39         loop ()
  40         before (TextIO.closeIn inf;
  41                 ignore (Unix.reap proc))
  42 end
  43
  44 end