gdbus/gdbus.h

   1 /*
   2  *
   3  *  D-Bus helper library
   4  *
   5  *  Copyright (C) 2004-2011  Marcel Holtmann <marcel@holtmann.org>
   6  *
   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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21  *
  22  */
  23
  24 #ifndef __GDBUS_H
  25 #define __GDBUS_H
  26
  27 #ifdef __cplusplus
  28 extern "C" {
  29 #endif
  30
  31 #include <dbus/dbus.h>
  32 #include <glib.h>
  33
  34 typedef enum GDBusMethodFlags GDBusMethodFlags;
  35 typedef enum GDBusSignalFlags GDBusSignalFlags;
  36 typedef enum GDBusPropertyFlags GDBusPropertyFlags;
  37 typedef enum GDBusSecurityFlags GDBusSecurityFlags;
  38
  39 typedef struct GDBusArgInfo GDBusArgInfo;
  40 typedef struct GDBusMethodTable GDBusMethodTable;
  41 typedef struct GDBusSignalTable GDBusSignalTable;
  42 typedef struct GDBusPropertyTable GDBusPropertyTable;
  43 typedef struct GDBusSecurityTable GDBusSecurityTable;
  44
  45 typedef void (* GDBusWatchFunction) (DBusConnection *connection,
  46                                                         void *user_data);
  47
  48 typedef void (* GDBusMessageFunction) (DBusConnection *connection,
  49                                          DBusMessage *message, void *user_data);
  50
  51 typedef gboolean (* GDBusSignalFunction) (DBusConnection *connection,
  52                                         DBusMessage *message, void *user_data);
  53
  54 DBusConnection *g_dbus_setup_bus(DBusBusType type, const char *name,
  55                                                         DBusError *error);
  56
  57 DBusConnection *g_dbus_setup_private(DBusBusType type, const char *name,
  58                                                         DBusError *error);
  59
  60 gboolean g_dbus_request_name(DBusConnection *connection, const char *name,
  61                                                         DBusError *error);
  62
  63 gboolean g_dbus_set_disconnect_function(DBusConnection *connection,
  64                                 GDBusWatchFunction function,
  65                                 void *user_data, DBusFreeFunction destroy);
  66
  67 typedef void (* GDBusDestroyFunction) (void *user_data);
  68
  69 typedef DBusMessage * (* GDBusMethodFunction) (DBusConnection *connection,
  70                                         DBusMessage *message, void *user_data);
  71
  72 typedef gboolean (*GDBusPropertyGetter)(const GDBusPropertyTable *property,
  73                                         DBusMessageIter *iter, void *data);
  74
  75 typedef guint32 GDBusPendingPropertySet;
  76
  77 typedef void (*GDBusPropertySetter)(const GDBusPropertyTable *property,
  78                         DBusMessageIter *value, GDBusPendingPropertySet id,
  79                         void *data);
  80
  81 typedef gboolean (*GDBusPropertyExists)(const GDBusPropertyTable *property,
  82                                                                 void *data);
  83
  84 typedef guint32 GDBusPendingReply;
  85
  86 typedef void (* GDBusSecurityFunction) (DBusConnection *connection,
  87                                                 const char *action,
  88                                                 gboolean interaction,
  89                                                 GDBusPendingReply pending);
  90
  91 enum GDBusFlags {
  92         G_DBUS_FLAG_ENABLE_EXPERIMENTAL = (1 << 0),
  93 };
  94
  95 enum GDBusMethodFlags {
  96         G_DBUS_METHOD_FLAG_DEPRECATED   = (1 << 0),
  97         G_DBUS_METHOD_FLAG_NOREPLY      = (1 << 1),
  98         G_DBUS_METHOD_FLAG_ASYNC        = (1 << 2),
  99         G_DBUS_METHOD_FLAG_EXPERIMENTAL = (1 << 3),
 100 };
 101
 102 enum GDBusSignalFlags {
 103         G_DBUS_SIGNAL_FLAG_DEPRECATED   = (1 << 0),
 104         G_DBUS_SIGNAL_FLAG_EXPERIMENTAL = (1 << 1),
 105 };
 106
 107 enum GDBusPropertyFlags {
 108         G_DBUS_PROPERTY_FLAG_DEPRECATED   = (1 << 0),
 109         G_DBUS_PROPERTY_FLAG_EXPERIMENTAL = (1 << 1),
 110 };
 111
 112 enum GDBusSecurityFlags {
 113         G_DBUS_SECURITY_FLAG_DEPRECATED        = (1 << 0),
 114         G_DBUS_SECURITY_FLAG_BUILTIN           = (1 << 1),
 115         G_DBUS_SECURITY_FLAG_ALLOW_INTERACTION = (1 << 2),
 116 };
 117
 118 struct GDBusArgInfo {
 119         const char *name;
 120         const char *signature;
 121 };
 122
 123 struct GDBusMethodTable {
 124         const char *name;
 125         GDBusMethodFunction function;
 126         GDBusMethodFlags flags;
 127         unsigned int privilege;
 128         const GDBusArgInfo *in_args;
 129         const GDBusArgInfo *out_args;
 130 };
 131
 132 struct GDBusSignalTable {
 133         const char *name;
 134         GDBusSignalFlags flags;
 135         const GDBusArgInfo *args;
 136 };
 137
 138 struct GDBusPropertyTable {
 139         const char *name;
 140         const char *type;
 141         GDBusPropertyGetter get;
 142         GDBusPropertySetter set;
 143         GDBusPropertyExists exists;
 144         GDBusPropertyFlags flags;
 145 };
 146
 147 struct GDBusSecurityTable {
 148         unsigned int privilege;
 149         const char *action;
 150         GDBusSecurityFlags flags;
 151         GDBusSecurityFunction function;
 152 };
 153
 154 #define GDBUS_ARGS(args...) (const GDBusArgInfo[]) { args, { } }
 155
 156 #define GDBUS_METHOD(_name, _in_args, _out_args, _function) \
 157         .name = _name, \
 158         .in_args = _in_args, \
 159         .out_args = _out_args, \
 160         .function = _function
 161
 162 #define GDBUS_ASYNC_METHOD(_name, _in_args, _out_args, _function) \
 163         .name = _name, \
 164         .in_args = _in_args, \
 165         .out_args = _out_args, \
 166         .function = _function, \
 167         .flags = G_DBUS_METHOD_FLAG_ASYNC
 168
 169 #define GDBUS_DEPRECATED_METHOD(_name, _in_args, _out_args, _function) \
 170         .name = _name, \
 171         .in_args = _in_args, \
 172         .out_args = _out_args, \
 173         .function = _function, \
 174         .flags = G_DBUS_METHOD_FLAG_DEPRECATED
 175
 176 #define GDBUS_DEPRECATED_ASYNC_METHOD(_name, _in_args, _out_args, _function) \
 177         .name = _name, \
 178         .in_args = _in_args, \
 179         .out_args = _out_args, \
 180         .function = _function, \
 181         .flags = G_DBUS_METHOD_FLAG_ASYNC | G_DBUS_METHOD_FLAG_DEPRECATED
 182
 183 #define GDBUS_EXPERIMENTAL_METHOD(_name, _in_args, _out_args, _function) \
 184         .name = _name, \
 185         .in_args = _in_args, \
 186         .out_args = _out_args, \
 187         .function = _function, \
 188         .flags = G_DBUS_METHOD_FLAG_EXPERIMENTAL
 189
 190 #define GDBUS_EXPERIMENTAL_ASYNC_METHOD(_name, _in_args, _out_args, _function) \
 191         .name = _name, \
 192         .in_args = _in_args, \
 193         .out_args = _out_args, \
 194         .function = _function, \
 195         .flags = G_DBUS_METHOD_FLAG_ASYNC | G_DBUS_METHOD_FLAG_EXPERIMENTAL
 196
 197 #define GDBUS_NOREPLY_METHOD(_name, _in_args, _out_args, _function) \
 198         .name = _name, \
 199         .in_args = _in_args, \
 200         .out_args = _out_args, \
 201         .function = _function, \
 202         .flags = G_DBUS_METHOD_FLAG_NOREPLY
 203
 204 #define GDBUS_SIGNAL(_name, _args) \
 205         .name = _name, \
 206         .args = _args
 207
 208 #define GDBUS_DEPRECATED_SIGNAL(_name, _args) \
 209         .name = _name, \
 210         .args = _args, \
 211         .flags = G_DBUS_SIGNAL_FLAG_DEPRECATED
 212
 213 #define GDBUS_EXPERIMENTAL_SIGNAL(_name, _args) \
 214         .name = _name, \
 215         .args = _args, \
 216         .flags = G_DBUS_SIGNAL_FLAG_EXPERIMENTAL
 217
 218 void g_dbus_set_flags(int flags);
 219
 220 gboolean g_dbus_register_interface(DBusConnection *connection,
 221                                         const char *path, const char *name,
 222                                         const GDBusMethodTable *methods,
 223                                         const GDBusSignalTable *signals,
 224                                         const GDBusPropertyTable *properties,
 225                                         void *user_data,
 226                                         GDBusDestroyFunction destroy);
 227 gboolean g_dbus_unregister_interface(DBusConnection *connection,
 228                                         const char *path, const char *name);
 229
 230 gboolean g_dbus_register_security(const GDBusSecurityTable *security);
 231 gboolean g_dbus_unregister_security(const GDBusSecurityTable *security);
 232
 233 void g_dbus_pending_success(DBusConnection *connection,
 234                                         GDBusPendingReply pending);
 235 void g_dbus_pending_error(DBusConnection *connection,
 236                                 GDBusPendingReply pending,
 237                                 const char *name, const char *format, ...)
 238                                         __attribute__((format(printf, 4, 5)));
 239 void g_dbus_pending_error_valist(DBusConnection *connection,
 240                                 GDBusPendingReply pending, const char *name,
 241                                         const char *format, va_list args);
 242
 243 DBusMessage *g_dbus_create_error(DBusMessage *message, const char *name,
 244                                                 const char *format, ...)
 245                                         __attribute__((format(printf, 3, 4)));
 246 DBusMessage *g_dbus_create_error_valist(DBusMessage *message, const char *name,
 247                                         const char *format, va_list args);
 248 DBusMessage *g_dbus_create_reply(DBusMessage *message, int type, ...);
 249 DBusMessage *g_dbus_create_reply_valist(DBusMessage *message,
 250                                                 int type, va_list args);
 251
 252 gboolean g_dbus_send_message(DBusConnection *connection, DBusMessage *message);
 253 gboolean g_dbus_send_message_with_reply(DBusConnection *connection,
 254                                         DBusMessage *message,
 255                                         DBusPendingCall **call, int timeout);
 256 gboolean g_dbus_send_error(DBusConnection *connection, DBusMessage *message,
 257                                 const char *name, const char *format, ...)
 258                                          __attribute__((format(printf, 4, 5)));
 259 gboolean g_dbus_send_error_valist(DBusConnection *connection,
 260                                         DBusMessage *message, const char *name,
 261                                         const char *format, va_list args);
 262 gboolean g_dbus_send_reply(DBusConnection *connection,
 263                                 DBusMessage *message, int type, ...);
 264 gboolean g_dbus_send_reply_valist(DBusConnection *connection,
 265                                 DBusMessage *message, int type, va_list args);
 266
 267 gboolean g_dbus_emit_signal(DBusConnection *connection,
 268                                 const char *path, const char *interface,
 269                                 const char *name, int type, ...);
 270 gboolean g_dbus_emit_signal_valist(DBusConnection *connection,
 271                                 const char *path, const char *interface,
 272                                 const char *name, int type, va_list args);
 273
 274 guint g_dbus_add_service_watch(DBusConnection *connection, const char *name,
 275                                 GDBusWatchFunction connect,
 276                                 GDBusWatchFunction disconnect,
 277                                 void *user_data, GDBusDestroyFunction destroy);
 278 guint g_dbus_add_disconnect_watch(DBusConnection *connection, const char *name,
 279                                 GDBusWatchFunction function,
 280                                 void *user_data, GDBusDestroyFunction destroy);
 281 guint g_dbus_add_signal_watch(DBusConnection *connection,
 282                                 const char *sender, const char *path,
 283                                 const char *interface, const char *member,
 284                                 GDBusSignalFunction function, void *user_data,
 285                                 GDBusDestroyFunction destroy);
 286 guint g_dbus_add_properties_watch(DBusConnection *connection,
 287                                 const char *sender, const char *path,
 288                                 const char *interface,
 289                                 GDBusSignalFunction function, void *user_data,
 290                                 GDBusDestroyFunction destroy);
 291 gboolean g_dbus_remove_watch(DBusConnection *connection, guint tag);
 292 void g_dbus_remove_all_watches(DBusConnection *connection);
 293
 294 void g_dbus_pending_property_success(GDBusPendingPropertySet id);
 295 void g_dbus_pending_property_error_valist(GDBusPendingReply id,
 296                         const char *name, const char *format, va_list args);
 297 void g_dbus_pending_property_error(GDBusPendingReply id, const char *name,
 298                                                 const char *format, ...);
 299 void g_dbus_emit_property_changed(DBusConnection *connection,
 300                                 const char *path, const char *interface,
 301                                 const char *name);
 302 gboolean g_dbus_get_properties(DBusConnection *connection, const char *path,
 303                                 const char *interface, DBusMessageIter *iter);
 304
 305 gboolean g_dbus_attach_object_manager(DBusConnection *connection);
 306 gboolean g_dbus_detach_object_manager(DBusConnection *connection);
 307
 308 typedef struct GDBusClient GDBusClient;
 309 typedef struct GDBusProxy GDBusProxy;
 310
 311 GDBusProxy *g_dbus_proxy_new(GDBusClient *client, const char *path,
 312                                                         const char *interface);
 313
 314 GDBusProxy *g_dbus_proxy_ref(GDBusProxy *proxy);
 315 void g_dbus_proxy_unref(GDBusProxy *proxy);
 316
 317 const char *g_dbus_proxy_get_path(GDBusProxy *proxy);
 318 const char *g_dbus_proxy_get_interface(GDBusProxy *proxy);
 319
 320 gboolean g_dbus_proxy_get_property(GDBusProxy *proxy, const char *name,
 321                                                         DBusMessageIter *iter);
 322
 323 gboolean g_dbus_proxy_refresh_property(GDBusProxy *proxy, const char *name);
 324
 325 typedef void (* GDBusResultFunction) (const DBusError *error, void *user_data);
 326
 327 gboolean g_dbus_proxy_set_property_basic(GDBusProxy *proxy,
 328                                 const char *name, int type, const void *value,
 329                                 GDBusResultFunction function, void *user_data,
 330                                 GDBusDestroyFunction destroy);
 331
 332 gboolean g_dbus_proxy_set_property_array(GDBusProxy *proxy,
 333                                 const char *name, int type, const void *value,
 334                                 size_t size, GDBusResultFunction function,
 335                                 void *user_data, GDBusDestroyFunction destroy);
 336
 337 typedef void (* GDBusSetupFunction) (DBusMessageIter *iter, void *user_data);
 338 typedef void (* GDBusReturnFunction) (DBusMessage *message, void *user_data);
 339
 340 gboolean g_dbus_proxy_method_call(GDBusProxy *proxy, const char *method,
 341                                 GDBusSetupFunction setup,
 342                                 GDBusReturnFunction function, void *user_data,
 343                                 GDBusDestroyFunction destroy);
 344
 345 typedef void (* GDBusClientFunction) (GDBusClient *client, void *user_data);
 346 typedef void (* GDBusProxyFunction) (GDBusProxy *proxy, void *user_data);
 347 typedef void (* GDBusPropertyFunction) (GDBusProxy *proxy, const char *name,
 348                                         DBusMessageIter *iter, void *user_data);
 349
 350 gboolean g_dbus_proxy_set_property_watch(GDBusProxy *proxy,
 351                         GDBusPropertyFunction function, void *user_data);
 352
 353 gboolean g_dbus_proxy_set_removed_watch(GDBusProxy *proxy,
 354                         GDBusProxyFunction destroy, void *user_data);
 355
 356 GDBusClient *g_dbus_client_new(DBusConnection *connection,
 357                                         const char *service, const char *path);
 358
 359 GDBusClient *g_dbus_client_ref(GDBusClient *client);
 360 void g_dbus_client_unref(GDBusClient *client);
 361
 362 gboolean g_dbus_client_set_connect_watch(GDBusClient *client,
 363                                 GDBusWatchFunction function, void *user_data);
 364 gboolean g_dbus_client_set_disconnect_watch(GDBusClient *client,
 365                                 GDBusWatchFunction function, void *user_data);
 366 gboolean g_dbus_client_set_signal_watch(GDBusClient *client,
 367                                 GDBusMessageFunction function, void *user_data);
 368 gboolean g_dbus_client_set_ready_watch(GDBusClient *client,
 369                                 GDBusClientFunction ready, void *user_data);
 370 gboolean g_dbus_client_set_proxy_handlers(GDBusClient *client,
 371                                         GDBusProxyFunction proxy_added,
 372                                         GDBusProxyFunction proxy_removed,
 373                                         GDBusPropertyFunction property_changed,
 374                                         void *user_data);
 375
 376 #ifdef __cplusplus
 377 }
 378 #endif
 379
 380 #endif /* __GDBUS_H */