dbus/signal.h

   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 #ifndef __LASH_DBUS_SIGNAL_H__
  23 #define __LASH_DBUS_SIGNAL_H__
  24
  25 #include <dbus/dbus.h>
  26
  27 #include "dbus/types.h"
  28
  29 struct _signal_msg
  30 {
  31         DBusConnection *connection;
  32         DBusMessage    *message;
  33 };
  34
  35 struct _signal_arg
  36 {
  37         const char *name;
  38         const char *type;
  39 };
  40
  41 struct _signal
  42 {
  43         const char         *name;
  44         const signal_arg_t *args;
  45 };
  46
  47 void
  48 signal_new_single(service_t  *service,
  49                   const char *path,
  50                   const char *interface,
  51                   const char *name,
  52                   int         type,
  53                   const void *arg);
  54
  55 void
  56 signal_new_valist(service_t  *service,
  57                   const char *path,
  58                   const char *interface,
  59                   const char *name,
  60                   int         type,
  61                               ...);
  62
  63 #define SIGNAL_ARGS_BEGIN(signal_name)                         \
  64 static const struct _signal_arg signal_name ## _args_dtor[] =  \
  65 {
  66
  67 #define SIGNAL_ARG_DESCRIBE(arg_name, arg_type)                \
  68         {                                                      \
  69                 .name = arg_name,                              \
  70                 .type = arg_type                               \
  71         },
  72
  73 #define SIGNAL_ARGS_END                                        \
  74         {                                                      \
  75                 .name = NULL,                                  \
  76                 .type = NULL                                   \
  77         }                                                      \
  78 };
  79
  80 #define SIGNALS_BEGIN                                          \
  81 static const struct _signal signals_dtor[] =                   \
  82 {
  83
  84 #define SIGNAL_DESCRIBE(signal_name)                           \
  85         {                                                      \
  86                 .name = # signal_name,                         \
  87                 .args = signal_name ## _args_dtor              \
  88         },
  89
  90 #define SIGNALS_END                                            \
  91         {                                                      \
  92                 .name = NULL,                                  \
  93                 .args = NULL                                   \
  94         }                                                      \
  95 };
  96
  97 #endif /* __LASH_DBUS_SIGNAL_H__ */