dbus/error.c

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2008 Nedko Arnaudov <nedko@arnaudov.name>
   6  * Copyright (C) 2008 Juuso Alasuutari <juuso.alasuutari@gmail.com>
   7  *
   8  **************************************************************************
   9  * This file contains dbus error helpers
  10  **************************************************************************
  11  *
  12  * LADI Session Handler is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * LADI Session Handler is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  24  * or write to the Free Software Foundation, Inc.,
  25  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  26  */
  27
  28 #include <stdio.h>
  29 #include <dbus/dbus.h>
  30
  31 #include "../common/debug.h"
  32
  33 #include "error.h"
  34 #include "method.h"
  35 #include "interface.h"
  36
  37 void
  38 lash_dbus_error(method_call_t *call_ptr,
  39                 const char    *err_name,
  40                 const char    *format,
  41                                ...)
  42 {
  43   va_list ap;
  44   char message[1024];
  45   const char *interface_name;
  46
  47   va_start(ap, format);
  48
  49   vsnprintf(message, sizeof(message), format, ap);
  50   message[sizeof(message) - 1] = '\0';
  51
  52   va_end(ap);
  53
  54   interface_name = (call_ptr->interface
  55                     && call_ptr->interface->name
  56                     && call_ptr->interface->name[0])
  57                    ? call_ptr->interface->name
  58                    : "<unknown>";
  59
  60   lash_error("In method %s.%s: %s", interface_name,
  61              call_ptr->method_name, message);
  62
  63   call_ptr->reply = dbus_message_new_error(call_ptr->message, err_name,
  64                                            message);
  65 }