cdbus/helpers.h

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2008,2009,2010,2011 Nedko Arnaudov <nedko@arnaudov.name>
   6  * Copyright (C) 2008 Juuso Alasuutari <juuso.alasuutari@gmail.com>
   7  *
   8  **************************************************************************
   9  * This file contains interface to the D-Bus helpers code
  10  **************************************************************************
  11  *
  12  * Licensed under the Academic Free License version 2.1
  13  *
  14  * LADI Session Handler is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * LADI Session Handler is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  26  * or write to the Free Software Foundation, Inc.,
  27  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  28  */
  29
  30 #ifndef HELPERS_H__6C2107A6_A5E3_4806_869B_4BE609535BA2__INCLUDED
  31 #define HELPERS_H__6C2107A6_A5E3_4806_869B_4BE609535BA2__INCLUDED
  32
  33 #include <dbus/dbus.h>
  34
  35 extern DBusConnection * cdbus_g_dbus_connection;
  36 extern DBusError cdbus_g_dbus_error;
  37
  38 bool cdbus_iter_get_dict_entry(DBusMessageIter * iter_ptr, const char * key, void * value, int * type, int * size);
  39 bool cdbus_iter_get_dict_entry_string(DBusMessageIter * iter_ptr, const char * key, const char ** value);
  40 bool cdbus_iter_append_variant(DBusMessageIter * iter, int type, const void * arg);
  41 bool cdbus_iter_append_dict_entry(DBusMessageIter *iter, int type, const char * key, const void * value, int length);
  42 bool cdbus_maybe_add_dict_entry_string(DBusMessageIter *dict_iter_ptr, const char * key, const char * value);
  43 bool cdbus_add_dict_entry_uint32(DBusMessageIter * dict_iter_ptr, const char * key, dbus_uint32_t value);
  44 bool cdbus_add_dict_entry_bool(DBusMessageIter * dict_iter_ptr, const char * key, dbus_bool_t value);
  45
  46 DBusMessage *
  47 cdbus_call_raw(
  48   unsigned int timeout,         /* in milliseconds */
  49   DBusMessage * request_ptr);
  50
  51 bool
  52 cdbus_call(
  53   unsigned int timeout,         /* in milliseconds */
  54   const char * service,
  55   const char * object,
  56   const char * iface,
  57   const char * method,
  58   const char * input_signature,
  59   ...);
  60
  61 bool
  62 cdbus_call_async(
  63   DBusMessage * request_ptr,
  64   void * context,
  65   void * cookie,
  66   size_t cookie_size,
  67   void (* callback)(void * context, void * cookie, DBusMessage * reply_ptr));
  68
  69 DBusMessage *
  70 cdbus_new_method_call_message(
  71   const char * service,
  72   const char * object,
  73   const char * iface,
  74   const char * method,
  75   const char * input_signature,
  76   ...);
  77
  78 bool
  79 cdbus_register_object_signal_handler(
  80   DBusConnection * connection,
  81   const char * service,
  82   const char * object,
  83   const char * iface,
  84   const char * const * signals,
  85   DBusHandleMessageFunction handler,
  86   void * handler_data);
  87
  88 bool
  89 cdbus_unregister_object_signal_handler(
  90   DBusConnection * connection,
  91   const char * service,
  92   const char * object,
  93   const char * iface,
  94   const char * const * signals,
  95   DBusHandleMessageFunction handler,
  96   void * handler_data);
  97
  98 struct cdbus_signal_hook
  99 {
 100   const char * signal_name;
 101   void (* hook_function)(void * context, DBusMessage * message_ptr);
 102 };
 103
 104 bool
 105 cdbus_register_object_signal_hooks(
 106   DBusConnection * connection,
 107   const char * service,
 108   const char * object,
 109   const char * iface,
 110   void * hook_context,
 111   const struct cdbus_signal_hook * signal_hooks);
 112
 113 void
 114 cdbus_unregister_object_signal_hooks(
 115   DBusConnection * connection,
 116   const char * service,
 117   const char * object,
 118   const char * iface);
 119
 120 bool
 121 cdbus_register_service_lifetime_hook(
 122   DBusConnection * connection,
 123   const char * service,
 124   void (* hook_function)(bool appeared));
 125
 126 void
 127 cdbus_unregister_service_lifetime_hook(
 128   DBusConnection * connection,
 129   const char * service);
 130
 131 void cdbus_call_last_error_cleanup(void);
 132 bool cdbus_call_last_error_is_name(const char * name);
 133 const char * cdbus_call_last_error_get_message(void);
 134
 135 #include "method.h"
 136 #include "signal.h"
 137 #include "interface.h"
 138 #include "object_path.h"
 139
 140 #endif /* #ifndef HELPERS_H__6C2107A6_A5E3_4806_869B_4BE609535BA2__INCLUDED */