dbus/error.c

   1 /*
   2  *   LASH
   3  *
   4  *   Copyright (C) 2008 Juuso Alasuutari <juuso.alasuutari@gmail.com>
   5  *   Copyright (C) 2008 Nedko Arnaudov
   6  *
   7  *   This program is free software; you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License as published by
   9  *   the Free Software Foundation; either version 2 of the License, or
  10  *   (at your option) any later version.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program; if not, write to the Free Software
  19  *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <stdio.h>
  23 #include <dbus/dbus.h>
  24
  25 #include "common/debug.h"
  26
  27 #include "dbus/error.h"
  28 #include "dbus/method.h"
  29 #include "dbus/interface.h"
  30
  31 void
  32 lash_dbus_error(method_call_t *call_ptr,
  33                 const char    *err_name,
  34                 const char    *format,
  35                                ...)
  36 {
  37         va_list ap;
  38         char message[1024];
  39         const char *interface_name;
  40
  41         va_start(ap, format);
  42
  43         vsnprintf(message, sizeof(message), format, ap);
  44         message[sizeof(message) - 1] = '\0';
  45
  46         va_end(ap);
  47
  48         interface_name = (call_ptr->interface
  49                           && call_ptr->interface->name
  50                           && call_ptr->interface->name[0])
  51                          ? call_ptr->interface->name
  52                          : "<unknown>";
  53
  54         lash_error("In method %s.%s: %s", interface_name,
  55                    call_ptr->method_name, message);
  56
  57         call_ptr->reply = dbus_message_new_error(call_ptr->message, err_name,
  58                                                  message);
  59 }