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 /**
  43  * DBusMessageIter struct; contains no public fields
  44  */
  45 struct DBusMessageIter
  46 {
  47   void *dummy1;         /**< Don't use this */
  48   void *dummy2;         /**< Don't use this */
  49   dbus_uint32_t dummy3; /**< Don't use this */
  50   int dummy4;           /**< Don't use this */
  51   int dummy5;           /**< Don't use this */
  52   int dummy6;           /**< Don't use this */
  53   int dummy7;           /**< Don't use this */
  54   int dummy8;           /**< Don't use this */
  55   int dummy9;           /**< Don't use this */
  56   int dummy10;          /**< Don't use this */
  57   int dummy11;          /**< Don't use this */
  58   int pad1;             /**< Don't use this */
  59   int pad2;             /**< Don't use this */
  60   void *pad3;           /**< Don't use this */
  61 };
  62
  63 DBusMessage* dbus_message_new               (int          message_type);
  64 DBusMessage* dbus_message_new_method_call   (const char  *service,
  65                                              const char  *path,
  66                                              const char  *interface,
  67                                              const char  *method);
  68 DBusMessage* dbus_message_new_method_return (DBusMessage *method_call);
  69 DBusMessage* dbus_message_new_signal        (const char  *path,
  70                                              const char  *interface,
  71                                              const char  *name);
  72 DBusMessage* dbus_message_new_error         (DBusMessage *reply_to,
  73                                              const char  *error_name,
  74                                              const char  *error_message);
  75
  76 DBusMessage *dbus_message_copy              (const DBusMessage *message);
  77
  78 void          dbus_message_ref              (DBusMessage   *message);
  79 void          dbus_message_unref            (DBusMessage   *message);
  80 int           dbus_message_get_type         (DBusMessage   *message);
  81 dbus_bool_t   dbus_message_set_path         (DBusMessage   *message,
  82                                              const char    *object_path);
  83 const char*   dbus_message_get_path         (DBusMessage   *message);
  84 dbus_bool_t   dbus_message_set_interface    (DBusMessage   *message,
  85                                              const char    *interface);
  86 const char*   dbus_message_get_interface    (DBusMessage   *message);
  87 dbus_bool_t   dbus_message_set_member       (DBusMessage   *message,
  88                                              const char    *member);
  89 const char*   dbus_message_get_member       (DBusMessage   *message);
  90 dbus_bool_t   dbus_message_set_error_name   (DBusMessage   *message,
  91                                              const char    *name);
  92 const char*   dbus_message_get_error_name   (DBusMessage   *message);
  93 dbus_bool_t   dbus_message_set_destination  (DBusMessage   *message,
  94                                              const char    *destination);
  95 const char*   dbus_message_get_destination  (DBusMessage   *message);
  96 dbus_bool_t   dbus_message_set_sender       (DBusMessage   *message,
  97                                              const char    *sender);
  98 const char*   dbus_message_get_sender       (DBusMessage   *message);
  99 void          dbus_message_set_no_reply     (DBusMessage   *message,
 100                                              dbus_bool_t    no_reply);
 101 dbus_bool_t   dbus_message_get_no_reply     (DBusMessage   *message);
 102 dbus_bool_t   dbus_message_is_method_call   (DBusMessage   *message,
 103                                              const char    *interface,
 104                                              const char    *method);
 105 dbus_bool_t   dbus_message_is_signal        (DBusMessage   *message,
 106                                              const char    *interface,
 107                                              const char    *signal_name);
 108 dbus_bool_t   dbus_message_is_error         (DBusMessage   *message,
 109                                              const char    *error_name);
 110 dbus_bool_t   dbus_message_has_destination  (DBusMessage   *message,
 111                                              const char    *service);
 112 dbus_bool_t   dbus_message_has_sender       (DBusMessage   *message,
 113                                              const char    *service);
 114 dbus_uint32_t dbus_message_get_serial       (DBusMessage   *message);
 115 dbus_bool_t   dbus_message_set_reply_serial (DBusMessage   *message,
 116                                              dbus_uint32_t  reply_serial);
 117 dbus_uint32_t dbus_message_get_reply_serial (DBusMessage   *message);
 118
 119 dbus_bool_t   dbus_message_get_path_decomposed (DBusMessage   *message,
 120                                                 char        ***path);
 121
 122 dbus_bool_t dbus_message_append_args          (DBusMessage     *message,
 123                                                int              first_arg_type,
 124                                                ...);
 125 dbus_bool_t dbus_message_append_args_valist   (DBusMessage     *message,
 126                                                int              first_arg_type,
 127                                                va_list          var_args);
 128 dbus_bool_t dbus_message_get_args             (DBusMessage     *message,
 129                                                DBusError       *error,
 130                                                int              first_arg_type,
 131                                                ...);
 132 dbus_bool_t dbus_message_get_args_valist      (DBusMessage     *message,
 133                                                DBusError       *error,
 134                                                int              first_arg_type,
 135                                                va_list          var_args);
 136 dbus_bool_t dbus_message_iter_get_args        (DBusMessageIter *iter,
 137                                                DBusError       *error,
 138                                                int              first_arg_type,
 139                                                ...);
 140 dbus_bool_t dbus_message_iter_get_args_valist (DBusMessageIter *iter,
 141                                                DBusError       *error,
 142                                                int              first_arg_type,
 143                                                va_list          var_args);
 144
 145
 146
 147 void          dbus_message_iter_init           (DBusMessage      *message,
 148                                                 DBusMessageIter  *iter);
 149 dbus_bool_t   dbus_message_iter_has_next       (DBusMessageIter  *iter);
 150 dbus_bool_t   dbus_message_iter_next           (DBusMessageIter  *iter);
 151 int           dbus_message_iter_get_arg_type   (DBusMessageIter  *iter);
 152 int           dbus_message_iter_get_array_type (DBusMessageIter  *iter);
 153 unsigned char dbus_message_iter_get_byte       (DBusMessageIter  *iter);
 154 dbus_bool_t   dbus_message_iter_get_boolean    (DBusMessageIter  *iter);
 155 dbus_int32_t  dbus_message_iter_get_int32      (DBusMessageIter  *iter);
 156 dbus_uint32_t dbus_message_iter_get_uint32     (DBusMessageIter  *iter);
 157 #ifdef DBUS_HAVE_INT64
 158 dbus_int64_t  dbus_message_iter_get_int64      (DBusMessageIter  *iter);
 159 dbus_uint64_t dbus_message_iter_get_uint64     (DBusMessageIter  *iter);
 160 #endif /* DBUS_HAVE_INT64 */
 161 double        dbus_message_iter_get_double     (DBusMessageIter  *iter);
 162 char *        dbus_message_iter_get_string     (DBusMessageIter  *iter);
 163 char *        dbus_message_iter_get_dict_key   (DBusMessageIter  *iter);
 164 dbus_bool_t   dbus_message_iter_get_named      (DBusMessageIter  *iter,
 165                                                 char            **name,
 166                                                 unsigned char   **value,
 167                                                 int              *len);
 168
 169 dbus_bool_t dbus_message_iter_init_array_iterator (DBusMessageIter   *iter,
 170                                                    DBusMessageIter   *array_iter,
 171                                                    int               *array_type);
 172 dbus_bool_t dbus_message_iter_init_dict_iterator  (DBusMessageIter   *iter,
 173                                                    DBusMessageIter   *dict_iter);
 174 dbus_bool_t dbus_message_iter_get_byte_array      (DBusMessageIter   *iter,
 175                                                    unsigned char    **value,
 176                                                    int               *len);
 177 dbus_bool_t dbus_message_iter_get_boolean_array   (DBusMessageIter   *iter,
 178                                                    unsigned char    **value,
 179                                                    int               *len);
 180 dbus_bool_t dbus_message_iter_get_int32_array     (DBusMessageIter   *iter,
 181                                                    dbus_int32_t     **value,
 182                                                    int               *len);
 183 dbus_bool_t dbus_message_iter_get_uint32_array    (DBusMessageIter   *iter,
 184                                                    dbus_uint32_t    **value,
 185                                                    int               *len);
 186 #ifdef DBUS_HAVE_INT64
 187 dbus_bool_t dbus_message_iter_get_int64_array     (DBusMessageIter   *iter,
 188                                                    dbus_int64_t     **value,
 189                                                    int               *len);
 190 dbus_bool_t dbus_message_iter_get_uint64_array    (DBusMessageIter   *iter,
 191                                                    dbus_uint64_t    **value,
 192                                                    int               *len);
 193 #endif /* DBUS_HAVE_INT64 */
 194 dbus_bool_t dbus_message_iter_get_double_array    (DBusMessageIter   *iter,
 195                                                    double           **value,
 196                                                    int               *len);
 197 dbus_bool_t dbus_message_iter_get_string_array    (DBusMessageIter   *iter,
 198                                                    char            ***value,
 199                                                    int               *len);
 200
 201
 202 void        dbus_message_append_iter_init          (DBusMessage          *message,
 203                                                     DBusMessageIter      *iter);
 204 dbus_bool_t dbus_message_iter_append_nil           (DBusMessageIter      *iter);
 205 dbus_bool_t dbus_message_iter_append_boolean       (DBusMessageIter      *iter,
 206                                                     dbus_bool_t           value);
 207 dbus_bool_t dbus_message_iter_append_byte          (DBusMessageIter      *iter,
 208                                                     unsigned char         value);
 209 dbus_bool_t dbus_message_iter_append_int32         (DBusMessageIter      *iter,
 210                                                     dbus_int32_t          value);
 211 dbus_bool_t dbus_message_iter_append_uint32        (DBusMessageIter      *iter,
 212                                                     dbus_uint32_t         value);
 213 #ifdef DBUS_HAVE_INT64
 214 dbus_bool_t dbus_message_iter_append_int64         (DBusMessageIter      *iter,
 215                                                     dbus_int64_t          value);
 216 dbus_bool_t dbus_message_iter_append_uint64        (DBusMessageIter      *iter,
 217                                                     dbus_uint64_t         value);
 218 #endif /* DBUS_HAVE_INT64 */
 219 dbus_bool_t dbus_message_iter_append_double        (DBusMessageIter      *iter,
 220                                                     double                value);
 221 dbus_bool_t dbus_message_iter_append_string        (DBusMessageIter      *iter,
 222                                                     const char           *value);
 223 dbus_bool_t dbus_message_iter_append_named         (DBusMessageIter      *iter,
 224                                                     const char           *name,
 225                                                     const unsigned char  *data,
 226                                                     int                   len);
 227 dbus_bool_t dbus_message_iter_append_dict_key      (DBusMessageIter      *iter,
 228                                                     const char           *value);
 229 dbus_bool_t dbus_message_iter_append_array         (DBusMessageIter      *iter,
 230                                                     DBusMessageIter      *array_iter,
 231                                                     int                   element_type);
 232 dbus_bool_t dbus_message_iter_append_dict          (DBusMessageIter      *iter,
 233                                                     DBusMessageIter      *dict_iter);
 234
 235 /* Helpers for normal types: */
 236 dbus_bool_t dbus_message_iter_append_boolean_array (DBusMessageIter      *iter,
 237                                                     unsigned const char  *value,
 238                                                     int                   len);
 239 dbus_bool_t dbus_message_iter_append_int32_array   (DBusMessageIter      *iter,
 240                                                     const dbus_int32_t   *value,
 241                                                     int                   len);
 242 dbus_bool_t dbus_message_iter_append_uint32_array  (DBusMessageIter      *iter,
 243                                                     const dbus_uint32_t  *value,
 244                                                     int                   len);
 245 #ifdef DBUS_HAVE_INT64
 246 dbus_bool_t dbus_message_iter_append_int64_array   (DBusMessageIter      *iter,
 247                                                     const dbus_int64_t   *value,
 248                                                     int                   len);
 249 dbus_bool_t dbus_message_iter_append_uint64_array  (DBusMessageIter      *iter,
 250                                                     const dbus_uint64_t  *value,
 251                                                     int                   len);
 252 #endif /* DBUS_HAVE_INT64 */
 253 dbus_bool_t dbus_message_iter_append_double_array  (DBusMessageIter      *iter,
 254                                                     const double         *value,
 255                                                     int                   len);
 256 dbus_bool_t dbus_message_iter_append_byte_array    (DBusMessageIter      *iter,
 257                                                     unsigned const char  *value,
 258                                                     int                   len);
 259 dbus_bool_t dbus_message_iter_append_string_array  (DBusMessageIter      *iter,
 260                                                     const char          **value,
 261                                                     int                   len);
 262
 263
 264
 265 dbus_bool_t  dbus_set_error_from_message  (DBusError    *error,
 266                                            DBusMessage  *message);
 267
 268
 269 dbus_bool_t dbus_message_allocate_data_slot (dbus_int32_t     *slot_p);
 270 void        dbus_message_free_data_slot     (dbus_int32_t     *slot_p);
 271 dbus_bool_t dbus_message_set_data           (DBusMessage      *message,
 272                                              dbus_int32_t      slot,
 273                                              void             *data,
 274                                              DBusFreeFunction  free_data_func);
 275 void*       dbus_message_get_data           (DBusMessage      *message,
 276                                              dbus_int32_t      slot);
 277
 278 int dbus_message_type_from_string (const char *type_str);
 279
 280 DBUS_END_DECLS;
 281
 282 #endif /* DBUS_MESSAGE_H */