dbus/dbus-message.h

   1 /* -*- mode: C; c-file-style: "gnu" -*- */
   2 /* dbus-message.h DBusMessage object
   3  *
   4  * Copyright (C) 2002  Red Hat Inc.
   5  *
   6  * Licensed under the Academic Free License version 1.2
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  */
  23 #if !defined (DBUS_INSIDE_DBUS_H) && !defined (DBUS_COMPILATION)
  24 #error "Only <dbus/dbus.h> can be included directly, this file may disappear or change contents."
  25 #endif
  26
  27 #ifndef DBUS_MESSAGE_H
  28 #define DBUS_MESSAGE_H
  29
  30 #include <dbus/dbus-macros.h>
  31 #include <dbus/dbus-types.h>
  32 #include <dbus/dbus-arch-deps.h>
  33 #include <dbus/dbus-memory.h>
  34 #include <dbus/dbus-errors.h>
  35 #include <stdarg.h>
  36
  37 DBUS_BEGIN_DECLS;
  38
  39 typedef struct DBusMessage DBusMessage;
  40 typedef struct DBusMessageIter DBusMessageIter;
  41
  42 struct DBusMessageIter
  43 {
  44   void *dummy1;
  45   void *dummy2;
  46   dbus_uint32_t dummy3;
  47   int dummy4;
  48   int dummy5;
  49   int dummy6;
  50   int dummy7;
  51   int dummy8;
  52   int dummy9;
  53   int dummy10;
  54   int dummy11;
  55   int pad1;
  56   int pad2;
  57   void *pad3;
  58 };
  59
  60 DBusMessage* dbus_message_new               (int          message_type);
  61 DBusMessage* dbus_message_new_method_call   (const char  *interface,
  62                                              const char  *method,
  63                                              const char  *destination_service);
  64 DBusMessage* dbus_message_new_method_return (DBusMessage *method_call);
  65 DBusMessage* dbus_message_new_signal        (const char  *interface,
  66                                              const char  *name);
  67 DBusMessage* dbus_message_new_error         (DBusMessage *reply_to,
  68                                              const char  *error_name,
  69                                              const char  *error_message);
  70
  71 DBusMessage *dbus_message_copy              (const DBusMessage *message);
  72
  73 void          dbus_message_ref              (DBusMessage   *message);
  74 void          dbus_message_unref            (DBusMessage   *message);
  75 int           dbus_message_get_type         (DBusMessage   *message);
  76 dbus_bool_t   dbus_message_set_interface    (DBusMessage   *message,
  77                                              const char    *interface);
  78 const char*   dbus_message_get_interface    (DBusMessage   *message);
  79 dbus_bool_t   dbus_message_set_member       (DBusMessage   *message,
  80                                              const char    *member);
  81 const char*   dbus_message_get_member       (DBusMessage   *message);
  82 dbus_bool_t   dbus_message_set_error_name   (DBusMessage   *message,
  83                                              const char    *name);
  84 const char*   dbus_message_get_error_name   (DBusMessage   *message);
  85 dbus_bool_t   dbus_message_set_destination  (DBusMessage   *message,
  86                                              const char    *destination);
  87 const char*   dbus_message_get_destination  (DBusMessage   *message);
  88 dbus_bool_t   dbus_message_set_sender       (DBusMessage   *message,
  89                                              const char    *sender);
  90 const char*   dbus_message_get_sender       (DBusMessage   *message);
  91 void          dbus_message_set_no_reply     (DBusMessage   *message,
  92                                              dbus_bool_t    no_reply);
  93 dbus_bool_t   dbus_message_get_no_reply     (DBusMessage   *message);
  94 dbus_bool_t   dbus_message_has_interface    (DBusMessage   *message,
  95                                              const char    *interface);
  96 dbus_bool_t   dbus_message_has_member       (DBusMessage   *message,
  97                                              const char    *member);
  98 dbus_bool_t   dbus_message_has_error_name   (DBusMessage   *message,
  99                                              const char    *name);
 100 dbus_bool_t   dbus_message_has_destination  (DBusMessage   *message,
 101                                              const char    *service);
 102 dbus_bool_t   dbus_message_has_sender       (DBusMessage   *message,
 103                                              const char    *service);
 104 dbus_uint32_t dbus_message_get_serial       (DBusMessage   *message);
 105 dbus_bool_t   dbus_message_set_reply_serial (DBusMessage   *message,
 106                                              dbus_uint32_t  reply_serial);
 107 dbus_uint32_t dbus_message_get_reply_serial (DBusMessage   *message);
 108
 109 dbus_bool_t dbus_message_append_args          (DBusMessage     *message,
 110                                                int              first_arg_type,
 111                                                ...);
 112 dbus_bool_t dbus_message_append_args_valist   (DBusMessage     *message,
 113                                                int              first_arg_type,
 114                                                va_list          var_args);
 115 dbus_bool_t dbus_message_get_args             (DBusMessage     *message,
 116                                                DBusError       *error,
 117                                                int              first_arg_type,
 118                                                ...);
 119 dbus_bool_t dbus_message_get_args_valist      (DBusMessage     *message,
 120                                                DBusError       *error,
 121                                                int              first_arg_type,
 122                                                va_list          var_args);
 123 dbus_bool_t dbus_message_iter_get_args        (DBusMessageIter *iter,
 124                                                DBusError       *error,
 125                                                int              first_arg_type,
 126                                                ...);
 127 dbus_bool_t dbus_message_iter_get_args_valist (DBusMessageIter *iter,
 128                                                DBusError       *error,
 129                                                int              first_arg_type,
 130                                                va_list          var_args);
 131
 132
 133
 134 void          dbus_message_iter_init           (DBusMessage      *message,
 135                                                 DBusMessageIter  *iter);
 136 dbus_bool_t   dbus_message_iter_has_next       (DBusMessageIter  *iter);
 137 dbus_bool_t   dbus_message_iter_next           (DBusMessageIter  *iter);
 138 int           dbus_message_iter_get_arg_type   (DBusMessageIter  *iter);
 139 int           dbus_message_iter_get_array_type (DBusMessageIter  *iter);
 140 unsigned char dbus_message_iter_get_byte       (DBusMessageIter  *iter);
 141 dbus_bool_t   dbus_message_iter_get_boolean    (DBusMessageIter  *iter);
 142 dbus_int32_t  dbus_message_iter_get_int32      (DBusMessageIter  *iter);
 143 dbus_uint32_t dbus_message_iter_get_uint32     (DBusMessageIter  *iter);
 144 #ifdef DBUS_HAVE_INT64
 145 dbus_int64_t  dbus_message_iter_get_int64      (DBusMessageIter  *iter);
 146 dbus_uint64_t dbus_message_iter_get_uint64     (DBusMessageIter  *iter);
 147 #endif /* DBUS_HAVE_INT64 */
 148 double        dbus_message_iter_get_double     (DBusMessageIter  *iter);
 149 char *        dbus_message_iter_get_string     (DBusMessageIter  *iter);
 150 char *        dbus_message_iter_get_dict_key   (DBusMessageIter  *iter);
 151 dbus_bool_t   dbus_message_iter_get_named      (DBusMessageIter  *iter,
 152                                                 char            **name,
 153                                                 unsigned char   **value,
 154                                                 int              *len);
 155
 156 dbus_bool_t dbus_message_iter_init_array_iterator (DBusMessageIter   *iter,
 157                                                    DBusMessageIter   *array_iter,
 158                                                    int               *array_type);
 159 dbus_bool_t dbus_message_iter_init_dict_iterator  (DBusMessageIter   *iter,
 160                                                    DBusMessageIter   *dict_iter);
 161 dbus_bool_t dbus_message_iter_get_byte_array      (DBusMessageIter   *iter,
 162                                                    unsigned char    **value,
 163                                                    int               *len);
 164 dbus_bool_t dbus_message_iter_get_boolean_array   (DBusMessageIter   *iter,
 165                                                    unsigned char    **value,
 166                                                    int               *len);
 167 dbus_bool_t dbus_message_iter_get_int32_array     (DBusMessageIter   *iter,
 168                                                    dbus_int32_t     **value,
 169                                                    int               *len);
 170 dbus_bool_t dbus_message_iter_get_uint32_array    (DBusMessageIter   *iter,
 171                                                    dbus_uint32_t    **value,
 172                                                    int               *len);
 173 #ifdef DBUS_HAVE_INT64
 174 dbus_bool_t dbus_message_iter_get_int64_array     (DBusMessageIter   *iter,
 175                                                    dbus_int64_t     **value,
 176                                                    int               *len);
 177 dbus_bool_t dbus_message_iter_get_uint64_array    (DBusMessageIter   *iter,
 178                                                    dbus_uint64_t    **value,
 179                                                    int               *len);
 180 #endif /* DBUS_HAVE_INT64 */
 181 dbus_bool_t dbus_message_iter_get_double_array    (DBusMessageIter   *iter,
 182                                                    double           **value,
 183                                                    int               *len);
 184 dbus_bool_t dbus_message_iter_get_string_array    (DBusMessageIter   *iter,
 185                                                    char            ***value,
 186                                                    int               *len);
 187
 188
 189 void        dbus_message_append_iter_init          (DBusMessage          *message,
 190                                                     DBusMessageIter      *iter);
 191 dbus_bool_t dbus_message_iter_append_nil           (DBusMessageIter      *iter);
 192 dbus_bool_t dbus_message_iter_append_boolean       (DBusMessageIter      *iter,
 193                                                     dbus_bool_t           value);
 194 dbus_bool_t dbus_message_iter_append_byte          (DBusMessageIter      *iter,
 195                                                     unsigned char         value);
 196 dbus_bool_t dbus_message_iter_append_int32         (DBusMessageIter      *iter,
 197                                                     dbus_int32_t          value);
 198 dbus_bool_t dbus_message_iter_append_uint32        (DBusMessageIter      *iter,
 199                                                     dbus_uint32_t         value);
 200 #ifdef DBUS_HAVE_INT64
 201 dbus_bool_t dbus_message_iter_append_int64         (DBusMessageIter      *iter,
 202                                                     dbus_int64_t          value);
 203 dbus_bool_t dbus_message_iter_append_uint64        (DBusMessageIter      *iter,
 204                                                     dbus_uint64_t         value);
 205 #endif /* DBUS_HAVE_INT64 */
 206 dbus_bool_t dbus_message_iter_append_double        (DBusMessageIter      *iter,
 207                                                     double                value);
 208 dbus_bool_t dbus_message_iter_append_string        (DBusMessageIter      *iter,
 209                                                     const char           *value);
 210 dbus_bool_t dbus_message_iter_append_named         (DBusMessageIter      *iter,
 211                                                     const char           *name,
 212                                                     const unsigned char  *data,
 213                                                     int                   len);
 214 dbus_bool_t dbus_message_iter_append_dict_key      (DBusMessageIter      *iter,
 215                                                     const char           *value);
 216 dbus_bool_t dbus_message_iter_append_array         (DBusMessageIter      *iter,
 217                                                     DBusMessageIter      *array_iter,
 218                                                     int                   element_type);
 219 dbus_bool_t dbus_message_iter_append_dict          (DBusMessageIter      *iter,
 220                                                     DBusMessageIter      *dict_iter);
 221
 222 /* Helpers for normal types: */
 223 dbus_bool_t dbus_message_iter_append_boolean_array (DBusMessageIter      *iter,
 224                                                     unsigned const char  *value,
 225                                                     int                   len);
 226 dbus_bool_t dbus_message_iter_append_int32_array   (DBusMessageIter      *iter,
 227                                                     const dbus_int32_t   *value,
 228                                                     int                   len);
 229 dbus_bool_t dbus_message_iter_append_uint32_array  (DBusMessageIter      *iter,
 230                                                     const dbus_uint32_t  *value,
 231                                                     int                   len);
 232 #ifdef DBUS_HAVE_INT64
 233 dbus_bool_t dbus_message_iter_append_int64_array   (DBusMessageIter      *iter,
 234                                                     const dbus_int64_t   *value,
 235                                                     int                   len);
 236 dbus_bool_t dbus_message_iter_append_uint64_array  (DBusMessageIter      *iter,
 237                                                     const dbus_uint64_t  *value,
 238                                                     int                   len);
 239 #endif /* DBUS_HAVE_INT64 */
 240 dbus_bool_t dbus_message_iter_append_double_array  (DBusMessageIter      *iter,
 241                                                     const double         *value,
 242                                                     int                   len);
 243 dbus_bool_t dbus_message_iter_append_byte_array    (DBusMessageIter      *iter,
 244                                                     unsigned const char  *value,
 245                                                     int                   len);
 246 dbus_bool_t dbus_message_iter_append_string_array  (DBusMessageIter      *iter,
 247                                                     const char          **value,
 248                                                     int                   len);
 249
 250
 251
 252 dbus_bool_t  dbus_set_error_from_message  (DBusError    *error,
 253                                            DBusMessage  *message);
 254
 255
 256 dbus_bool_t dbus_message_allocate_data_slot (dbus_int32_t     *slot_p);
 257 void        dbus_message_free_data_slot     (dbus_int32_t     *slot_p);
 258 dbus_bool_t dbus_message_set_data           (DBusMessage      *message,
 259                                              dbus_int32_t      slot,
 260                                              void             *data,
 261                                              DBusFreeFunction  free_data_func);
 262 void*       dbus_message_get_data           (DBusMessage      *message,
 263                                              dbus_int32_t      slot);
 264
 265 DBUS_END_DECLS;
 266
 267 #endif /* DBUS_MESSAGE_H */