gdbus/client.c

   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 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include <stdio.h>
  29 #include <glib.h>
  30 #include <dbus/dbus.h>
  31
  32 #include "gdbus.h"
  33
  34 #define METHOD_CALL_TIMEOUT (300 * 1000)
  35
  36 #ifndef DBUS_INTERFACE_OBJECT_MANAGER
  37 #define DBUS_INTERFACE_OBJECT_MANAGER DBUS_INTERFACE_DBUS ".ObjectManager"
  38 #endif
  39
  40 struct GDBusClient {
  41         int ref_count;
  42         DBusConnection *dbus_conn;
  43         char *service_name;
  44         char *base_path;
  45         char *root_path;
  46         guint watch;
  47         guint added_watch;
  48         guint removed_watch;
  49         GPtrArray *match_rules;
  50         DBusPendingCall *pending_call;
  51         DBusPendingCall *get_objects_call;
  52         GDBusWatchFunction connect_func;
  53         void *connect_data;
  54         GDBusWatchFunction disconn_func;
  55         gboolean connected;
  56         void *disconn_data;
  57         GDBusMessageFunction signal_func;
  58         void *signal_data;
  59         GDBusProxyFunction proxy_added;
  60         GDBusProxyFunction proxy_removed;
  61 #if !defined TIZEN_EXT
  62         GDBusClientFunction ready;
  63         void *ready_data;
  64 #endif
  65         GDBusPropertyFunction property_changed;
  66         void *user_data;
  67         GList *proxy_list;
  68 };
  69
  70 struct GDBusProxy {
  71         int ref_count;
  72         GDBusClient *client;
  73         char *obj_path;
  74         char *interface;
  75         GHashTable *prop_list;
  76         guint watch;
  77         GDBusPropertyFunction prop_func;
  78         void *prop_data;
  79         GDBusProxyFunction removed_func;
  80         void *removed_data;
  81 };
  82
  83 struct prop_entry {
  84         char *name;
  85         int type;
  86         DBusMessage *msg;
  87 };
  88
  89 static void modify_match_reply(DBusPendingCall *call, void *user_data)
  90 {
  91         DBusMessage *reply = dbus_pending_call_steal_reply(call);
  92         DBusError error;
  93
  94         dbus_error_init(&error);
  95
  96         if (dbus_set_error_from_message(&error, reply) == TRUE)
  97                 dbus_error_free(&error);
  98
  99         dbus_message_unref(reply);
 100 }
 101
 102 static gboolean modify_match(DBusConnection *conn, const char *member,
 103                                                         const char *rule)
 104 {
 105         DBusMessage *msg;
 106         DBusPendingCall *call;
 107
 108         msg = dbus_message_new_method_call(DBUS_SERVICE_DBUS, DBUS_PATH_DBUS,
 109                                         DBUS_INTERFACE_DBUS, member);
 110         if (msg == NULL)
 111                 return FALSE;
 112
 113         dbus_message_append_args(msg, DBUS_TYPE_STRING, &rule,
 114                                                 DBUS_TYPE_INVALID);
 115
 116         if (g_dbus_send_message_with_reply(conn, msg, &call, -1) == FALSE) {
 117                 dbus_message_unref(msg);
 118                 return FALSE;
 119         }
 120
 121         dbus_pending_call_set_notify(call, modify_match_reply, NULL, NULL);
 122         dbus_pending_call_unref(call);
 123
 124         dbus_message_unref(msg);
 125
 126         return TRUE;
 127 }
 128
 129 static void iter_append_iter(DBusMessageIter *base, DBusMessageIter *iter)
 130 {
 131         int type;
 132
 133         type = dbus_message_iter_get_arg_type(iter);
 134
 135         if (dbus_type_is_basic(type)) {
 136                 const void *value;
 137
 138                 dbus_message_iter_get_basic(iter, &value);
 139                 dbus_message_iter_append_basic(base, type, &value);
 140         } else if (dbus_type_is_container(type)) {
 141                 DBusMessageIter iter_sub, base_sub;
 142                 char *sig;
 143
 144                 dbus_message_iter_recurse(iter, &iter_sub);
 145
 146                 switch (type) {
 147                 case DBUS_TYPE_ARRAY:
 148                 case DBUS_TYPE_VARIANT:
 149                         sig = dbus_message_iter_get_signature(&iter_sub);
 150                         break;
 151                 default:
 152                         sig = NULL;
 153                         break;
 154                 }
 155
 156                 dbus_message_iter_open_container(base, type, sig, &base_sub);
 157
 158                 if (sig != NULL)
 159                         dbus_free(sig);
 160
 161                 while (dbus_message_iter_get_arg_type(&iter_sub) !=
 162                                                         DBUS_TYPE_INVALID) {
 163                         iter_append_iter(&base_sub, &iter_sub);
 164                         dbus_message_iter_next(&iter_sub);
 165                 }
 166
 167                 dbus_message_iter_close_container(base, &base_sub);
 168         }
 169 }
 170
 171 static void prop_entry_update(struct prop_entry *prop, DBusMessageIter *iter)
 172 {
 173         DBusMessage *msg;
 174         DBusMessageIter base;
 175
 176         msg = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
 177         if (msg == NULL)
 178                 return;
 179
 180         dbus_message_iter_init_append(msg, &base);
 181         iter_append_iter(&base, iter);
 182
 183         if (prop->msg != NULL)
 184                 dbus_message_unref(prop->msg);
 185
 186         prop->msg = dbus_message_copy(msg);
 187         dbus_message_unref(msg);
 188 }
 189
 190 static struct prop_entry *prop_entry_new(const char *name,
 191                                                 DBusMessageIter *iter)
 192 {
 193         struct prop_entry *prop;
 194
 195         prop = g_try_new0(struct prop_entry, 1);
 196         if (prop == NULL)
 197                 return NULL;
 198
 199         prop->name = g_strdup(name);
 200         prop->type = dbus_message_iter_get_arg_type(iter);
 201
 202         prop_entry_update(prop, iter);
 203
 204         return prop;
 205 }
 206
 207 static void prop_entry_free(gpointer data)
 208 {
 209         struct prop_entry *prop = data;
 210
 211         if (prop->msg != NULL)
 212                 dbus_message_unref(prop->msg);
 213
 214         g_free(prop->name);
 215
 216         g_free(prop);
 217 }
 218
 219 static void add_property(GDBusProxy *proxy, const char *name,
 220                                 DBusMessageIter *iter, gboolean send_changed)
 221 {
 222         GDBusClient *client = proxy->client;
 223         DBusMessageIter value;
 224         struct prop_entry *prop;
 225
 226         if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_VARIANT)
 227                 return;
 228
 229         dbus_message_iter_recurse(iter, &value);
 230
 231         prop = g_hash_table_lookup(proxy->prop_list, name);
 232         if (prop != NULL) {
 233                 prop_entry_update(prop, &value);
 234                 goto done;
 235         }
 236
 237         prop = prop_entry_new(name, &value);
 238         if (prop == NULL)
 239                 return;
 240
 241         g_hash_table_replace(proxy->prop_list, prop->name, prop);
 242
 243 done:
 244         if (proxy->prop_func)
 245                 proxy->prop_func(proxy, name, &value, proxy->prop_data);
 246
 247         if (client == NULL || send_changed == FALSE)
 248                 return;
 249
 250         if (client->property_changed)
 251                 client->property_changed(proxy, name, &value,
 252                                                         client->user_data);
 253 }
 254
 255 static void update_properties(GDBusProxy *proxy, DBusMessageIter *iter,
 256                                                         gboolean send_changed)
 257 {
 258         DBusMessageIter dict;
 259
 260         if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY)
 261                 return;
 262
 263         dbus_message_iter_recurse(iter, &dict);
 264
 265         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 266                 DBusMessageIter entry;
 267                 const char *name;
 268
 269                 dbus_message_iter_recurse(&dict, &entry);
 270
 271                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
 272                         break;
 273
 274                 dbus_message_iter_get_basic(&entry, &name);
 275                 dbus_message_iter_next(&entry);
 276
 277                 add_property(proxy, name, &entry, send_changed);
 278
 279                 dbus_message_iter_next(&dict);
 280         }
 281 }
 282
 283 static void get_all_properties_reply(DBusPendingCall *call, void *user_data)
 284 {
 285         GDBusProxy *proxy = user_data;
 286         GDBusClient *client = proxy->client;
 287         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 288         DBusMessageIter iter;
 289         DBusError error;
 290
 291         dbus_error_init(&error);
 292
 293         if (dbus_set_error_from_message(&error, reply) == TRUE) {
 294                 dbus_error_free(&error);
 295                 goto done;
 296         }
 297
 298         dbus_message_iter_init(reply, &iter);
 299
 300         update_properties(proxy, &iter, FALSE);
 301
 302 done:
 303         if (g_list_find(client->proxy_list, proxy) == NULL) {
 304                 if (client->proxy_added)
 305                         client->proxy_added(proxy, client->user_data);
 306
 307                 client->proxy_list = g_list_append(client->proxy_list, proxy);
 308         }
 309
 310         dbus_message_unref(reply);
 311
 312         g_dbus_client_unref(client);
 313 }
 314
 315 static void get_all_properties(GDBusProxy *proxy)
 316 {
 317         GDBusClient *client = proxy->client;
 318         const char *service_name = client->service_name;
 319         DBusMessage *msg;
 320         DBusPendingCall *call;
 321
 322         msg = dbus_message_new_method_call(service_name, proxy->obj_path,
 323                                         DBUS_INTERFACE_PROPERTIES, "GetAll");
 324         if (msg == NULL)
 325                 return;
 326
 327         dbus_message_append_args(msg, DBUS_TYPE_STRING, &proxy->interface,
 328                                                         DBUS_TYPE_INVALID);
 329
 330         if (g_dbus_send_message_with_reply(client->dbus_conn, msg,
 331                                                         &call, -1) == FALSE) {
 332                 dbus_message_unref(msg);
 333                 return;
 334         }
 335
 336         g_dbus_client_ref(client);
 337
 338         dbus_pending_call_set_notify(call, get_all_properties_reply,
 339                                                         proxy, NULL);
 340         dbus_pending_call_unref(call);
 341
 342         dbus_message_unref(msg);
 343 }
 344
 345 static GDBusProxy *proxy_lookup(GDBusClient *client, const char *path,
 346                                                 const char *interface)
 347 {
 348         GList *list;
 349
 350         for (list = g_list_first(client->proxy_list); list;
 351                                                 list = g_list_next(list)) {
 352                 GDBusProxy *proxy = list->data;
 353
 354                 if (g_str_equal(proxy->interface, interface) == TRUE &&
 355                                 g_str_equal(proxy->obj_path, path) == TRUE)
 356                         return proxy;
 357         }
 358
 359         return NULL;
 360 }
 361
 362 static gboolean properties_changed(DBusConnection *conn, DBusMessage *msg,
 363                                                         void *user_data)
 364 {
 365         GDBusProxy *proxy = user_data;
 366         GDBusClient *client = proxy->client;
 367         DBusMessageIter iter, entry;
 368         const char *interface;
 369
 370         if (dbus_message_iter_init(msg, &iter) == FALSE)
 371                 return TRUE;
 372
 373         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
 374                 return TRUE;
 375
 376         dbus_message_iter_get_basic(&iter, &interface);
 377         dbus_message_iter_next(&iter);
 378
 379         update_properties(proxy, &iter, TRUE);
 380
 381         dbus_message_iter_next(&iter);
 382
 383         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY)
 384                 return TRUE;
 385
 386         dbus_message_iter_recurse(&iter, &entry);
 387
 388         while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
 389                 const char *name;
 390
 391                 dbus_message_iter_get_basic(&entry, &name);
 392
 393                 g_hash_table_remove(proxy->prop_list, name);
 394
 395                 if (proxy->prop_func)
 396                         proxy->prop_func(proxy, name, NULL, proxy->prop_data);
 397
 398                 if (client->property_changed)
 399                         client->property_changed(proxy, name, NULL,
 400                                                         client->user_data);
 401
 402                 dbus_message_iter_next(&entry);
 403         }
 404
 405         return TRUE;
 406 }
 407
 408 static GDBusProxy *proxy_new(GDBusClient *client, const char *path,
 409                                                 const char *interface)
 410 {
 411         GDBusProxy *proxy;
 412
 413         proxy = g_try_new0(GDBusProxy, 1);
 414         if (proxy == NULL)
 415                 return NULL;
 416
 417         proxy->client = client;
 418         proxy->obj_path = g_strdup(path);
 419         proxy->interface = g_strdup(interface);
 420
 421         proxy->prop_list = g_hash_table_new_full(g_str_hash, g_str_equal,
 422                                                         NULL, prop_entry_free);
 423         proxy->watch = g_dbus_add_properties_watch(client->dbus_conn,
 424                                                         client->service_name,
 425                                                         proxy->obj_path,
 426                                                         proxy->interface,
 427                                                         properties_changed,
 428                                                         proxy, NULL);
 429
 430         return g_dbus_proxy_ref(proxy);
 431 }
 432
 433 static void proxy_free(gpointer data)
 434 {
 435         GDBusProxy *proxy = data;
 436
 437         if (proxy->client) {
 438                 GDBusClient *client = proxy->client;
 439
 440                 if (client->proxy_removed)
 441                         client->proxy_removed(proxy, client->user_data);
 442
 443                 g_dbus_remove_watch(client->dbus_conn, proxy->watch);
 444
 445                 g_hash_table_remove_all(proxy->prop_list);
 446
 447                 proxy->client = NULL;
 448         }
 449
 450         if (proxy->removed_func)
 451                 proxy->removed_func(proxy, proxy->removed_data);
 452
 453         g_dbus_proxy_unref(proxy);
 454 }
 455
 456 static void proxy_remove(GDBusClient *client, const char *path,
 457                                                 const char *interface)
 458 {
 459         GList *list;
 460
 461         for (list = g_list_first(client->proxy_list); list;
 462                                                 list = g_list_next(list)) {
 463                 GDBusProxy *proxy = list->data;
 464
 465                 if (g_str_equal(proxy->interface, interface) == TRUE &&
 466                                 g_str_equal(proxy->obj_path, path) == TRUE) {
 467                         client->proxy_list =
 468                                 g_list_delete_link(client->proxy_list, list);
 469                         proxy_free(proxy);
 470                         break;
 471                 }
 472         }
 473 }
 474
 475 GDBusProxy *g_dbus_proxy_new(GDBusClient *client, const char *path,
 476                                                         const char *interface)
 477 {
 478         GDBusProxy *proxy;
 479
 480         if (client == NULL)
 481                 return NULL;
 482
 483         proxy = proxy_lookup(client, path, interface);
 484         if (proxy)
 485                 return g_dbus_proxy_ref(proxy);
 486
 487         proxy = proxy_new(client, path, interface);
 488         if (proxy == NULL)
 489                 return NULL;
 490
 491         get_all_properties(proxy);
 492
 493         return g_dbus_proxy_ref(proxy);
 494 }
 495
 496 GDBusProxy *g_dbus_proxy_ref(GDBusProxy *proxy)
 497 {
 498         if (proxy == NULL)
 499                 return NULL;
 500
 501         __sync_fetch_and_add(&proxy->ref_count, 1);
 502
 503         return proxy;
 504 }
 505
 506 void g_dbus_proxy_unref(GDBusProxy *proxy)
 507 {
 508         if (proxy == NULL)
 509                 return;
 510
 511         if (__sync_sub_and_fetch(&proxy->ref_count, 1) > 0)
 512                 return;
 513
 514         g_hash_table_destroy(proxy->prop_list);
 515
 516         g_free(proxy->obj_path);
 517         g_free(proxy->interface);
 518
 519         g_free(proxy);
 520 }
 521
 522 const char *g_dbus_proxy_get_path(GDBusProxy *proxy)
 523 {
 524         if (proxy == NULL)
 525                 return NULL;
 526
 527         return proxy->obj_path;
 528 }
 529
 530 const char *g_dbus_proxy_get_interface(GDBusProxy *proxy)
 531 {
 532         if (proxy == NULL)
 533                 return NULL;
 534
 535         return proxy->interface;
 536 }
 537
 538 gboolean g_dbus_proxy_get_property(GDBusProxy *proxy, const char *name,
 539                                                         DBusMessageIter *iter)
 540 {
 541         struct prop_entry *prop;
 542
 543         if (proxy == NULL || name == NULL)
 544                 return FALSE;
 545
 546         prop = g_hash_table_lookup(proxy->prop_list, name);
 547         if (prop == NULL)
 548                 return FALSE;
 549
 550         if (prop->msg == NULL)
 551                 return FALSE;
 552
 553         if (dbus_message_iter_init(prop->msg, iter) == FALSE)
 554                 return FALSE;
 555
 556         return TRUE;
 557 }
 558
 559 struct refresh_property_data {
 560         GDBusProxy *proxy;
 561         char *name;
 562 };
 563
 564 static void refresh_property_free(gpointer user_data)
 565 {
 566         struct refresh_property_data *data = user_data;
 567
 568         g_free(data->name);
 569         g_free(data);
 570 }
 571
 572 static void refresh_property_reply(DBusPendingCall *call, void *user_data)
 573 {
 574         struct refresh_property_data *data = user_data;
 575         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 576         DBusError error;
 577
 578         dbus_error_init(&error);
 579
 580         if (dbus_set_error_from_message(&error, reply) == FALSE) {
 581                 DBusMessageIter iter;
 582
 583                 dbus_message_iter_init(reply, &iter);
 584
 585                 add_property(data->proxy, data->name, &iter, TRUE);
 586         } else
 587                 dbus_error_free(&error);
 588
 589         dbus_message_unref(reply);
 590 }
 591
 592 gboolean g_dbus_proxy_refresh_property(GDBusProxy *proxy, const char *name)
 593 {
 594         struct refresh_property_data *data;
 595         GDBusClient *client;
 596         DBusMessage *msg;
 597         DBusMessageIter iter;
 598         DBusPendingCall *call;
 599
 600         if (proxy == NULL || name == NULL)
 601                 return FALSE;
 602
 603         client = proxy->client;
 604         if (client == NULL)
 605                 return FALSE;
 606
 607         data = g_try_new0(struct refresh_property_data, 1);
 608         if (data == NULL)
 609                 return FALSE;
 610
 611         data->proxy = proxy;
 612         data->name = g_strdup(name);
 613
 614         msg = dbus_message_new_method_call(client->service_name,
 615                         proxy->obj_path, DBUS_INTERFACE_PROPERTIES, "Get");
 616         if (msg == NULL) {
 617                 refresh_property_free(data);
 618                 return FALSE;
 619         }
 620
 621         dbus_message_iter_init_append(msg, &iter);
 622         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING,
 623                                                         &proxy->interface);
 624         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &name);
 625
 626         if (g_dbus_send_message_with_reply(client->dbus_conn, msg,
 627                                                         &call, -1) == FALSE) {
 628                 dbus_message_unref(msg);
 629                 refresh_property_free(data);
 630                 return FALSE;
 631         }
 632
 633         dbus_pending_call_set_notify(call, refresh_property_reply,
 634                                                 data, refresh_property_free);
 635         dbus_pending_call_unref(call);
 636
 637         dbus_message_unref(msg);
 638
 639         return TRUE;
 640 }
 641
 642 struct set_property_data {
 643         GDBusResultFunction function;
 644         void *user_data;
 645         GDBusDestroyFunction destroy;
 646 };
 647
 648 static void set_property_reply(DBusPendingCall *call, void *user_data)
 649 {
 650         struct set_property_data *data = user_data;
 651         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 652         DBusError error;
 653
 654         dbus_error_init(&error);
 655
 656         dbus_set_error_from_message(&error, reply);
 657
 658         if (data->function)
 659                 data->function(&error, data->user_data);
 660
 661         if (data->destroy)
 662                 data->destroy(data->user_data);
 663
 664         dbus_error_free(&error);
 665
 666         dbus_message_unref(reply);
 667 }
 668
 669 gboolean g_dbus_proxy_set_property_basic(GDBusProxy *proxy,
 670                                 const char *name, int type, const void *value,
 671                                 GDBusResultFunction function, void *user_data,
 672                                 GDBusDestroyFunction destroy)
 673 {
 674         struct set_property_data *data;
 675         GDBusClient *client;
 676         DBusMessage *msg;
 677         DBusMessageIter iter, variant;
 678         DBusPendingCall *call;
 679         char type_as_str[2];
 680
 681         if (proxy == NULL || name == NULL || value == NULL)
 682                 return FALSE;
 683
 684         if (dbus_type_is_basic(type) == FALSE)
 685                 return FALSE;
 686
 687         client = proxy->client;
 688         if (client == NULL)
 689                 return FALSE;
 690
 691         data = g_try_new0(struct set_property_data, 1);
 692         if (data == NULL)
 693                 return FALSE;
 694
 695         data->function = function;
 696         data->user_data = user_data;
 697         data->destroy = destroy;
 698
 699         msg = dbus_message_new_method_call(client->service_name,
 700                         proxy->obj_path, DBUS_INTERFACE_PROPERTIES, "Set");
 701         if (msg == NULL) {
 702                 g_free(data);
 703                 return FALSE;
 704         }
 705
 706         type_as_str[0] = (char) type;
 707         type_as_str[1] = '\0';
 708
 709         dbus_message_iter_init_append(msg, &iter);
 710         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING,
 711                                                         &proxy->interface);
 712         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &name);
 713
 714         dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
 715                                                 type_as_str, &variant);
 716         dbus_message_iter_append_basic(&variant, type, value);
 717         dbus_message_iter_close_container(&iter, &variant);
 718
 719         if (g_dbus_send_message_with_reply(client->dbus_conn, msg,
 720                                                         &call, -1) == FALSE) {
 721                 dbus_message_unref(msg);
 722                 g_free(data);
 723                 return FALSE;
 724         }
 725
 726         dbus_pending_call_set_notify(call, set_property_reply, data, g_free);
 727         dbus_pending_call_unref(call);
 728
 729         dbus_message_unref(msg);
 730
 731         return TRUE;
 732 }
 733
 734 #if !defined TIZEN_EXT
 735 gboolean g_dbus_proxy_set_property_array(GDBusProxy *proxy,
 736                                 const char *name, int type, const void *value,
 737                                 size_t size, GDBusResultFunction function,
 738                                 void *user_data, GDBusDestroyFunction destroy)
 739 {
 740         struct set_property_data *data;
 741         GDBusClient *client;
 742         DBusMessage *msg;
 743         DBusMessageIter iter, variant, array;
 744         DBusPendingCall *call;
 745         char array_sig[3];
 746         char type_sig[2];
 747
 748         if (!proxy || !name || !value)
 749                 return FALSE;
 750
 751         if (!dbus_type_is_basic(type))
 752                 return FALSE;
 753
 754         client = proxy->client;
 755         if (!client)
 756                 return FALSE;
 757
 758         data = g_try_new0(struct set_property_data, 1);
 759         if (!data)
 760                 return FALSE;
 761
 762         data->function = function;
 763         data->user_data = user_data;
 764         data->destroy = destroy;
 765
 766         msg = dbus_message_new_method_call(client->service_name,
 767                                                 proxy->obj_path,
 768                                                 DBUS_INTERFACE_PROPERTIES,
 769                                                 "Set");
 770         if (!msg) {
 771                 g_free(data);
 772                 return FALSE;
 773         }
 774
 775         array_sig[0] = DBUS_TYPE_ARRAY;
 776         array_sig[1] = (char) type;
 777         array_sig[2] = '\0';
 778
 779         type_sig[0] = (char) type;
 780         type_sig[1] = '\0';
 781
 782         dbus_message_iter_init_append(msg, &iter);
 783         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING,
 784                                                         &proxy->interface);
 785         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &name);
 786
 787         dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
 788                                                         array_sig, &variant);
 789
 790         dbus_message_iter_open_container(&variant, DBUS_TYPE_ARRAY,
 791                                                         type_sig, &array);
 792
 793         if (dbus_type_is_fixed(type))
 794                 dbus_message_iter_append_fixed_array(&array, type, &value,
 795                                                                         size);
 796         else if (type == DBUS_TYPE_STRING || type == DBUS_TYPE_OBJECT_PATH) {
 797                 const char **str = (const char **) value;
 798                 size_t i;
 799
 800                 for (i = 0; i < size; i++)
 801                         dbus_message_iter_append_basic(&array, type, &str[i]);
 802         }
 803
 804         dbus_message_iter_close_container(&variant, &array);
 805         dbus_message_iter_close_container(&iter, &variant);
 806
 807         if (g_dbus_send_message_with_reply(client->dbus_conn, msg,
 808                                                         &call, -1) == FALSE) {
 809                 dbus_message_unref(msg);
 810                 g_free(data);
 811                 return FALSE;
 812         }
 813
 814         dbus_pending_call_set_notify(call, set_property_reply, data, g_free);
 815         dbus_pending_call_unref(call);
 816
 817         dbus_message_unref(msg);
 818
 819         return TRUE;
 820 }
 821 #endif
 822
 823 struct method_call_data {
 824         GDBusReturnFunction function;
 825         void *user_data;
 826         GDBusDestroyFunction destroy;
 827 };
 828
 829 static void method_call_reply(DBusPendingCall *call, void *user_data)
 830 {
 831         struct method_call_data *data = user_data;
 832         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 833
 834         if (data->function)
 835                 data->function(reply, data->user_data);
 836
 837         if (data->destroy)
 838                 data->destroy(data->user_data);
 839
 840         dbus_message_unref(reply);
 841 }
 842
 843 gboolean g_dbus_proxy_method_call(GDBusProxy *proxy, const char *method,
 844                                 GDBusSetupFunction setup,
 845                                 GDBusReturnFunction function, void *user_data,
 846                                 GDBusDestroyFunction destroy)
 847 {
 848         struct method_call_data *data;
 849         GDBusClient *client;
 850         DBusMessage *msg;
 851         DBusPendingCall *call;
 852
 853         if (proxy == NULL || method == NULL)
 854                 return FALSE;
 855
 856         client = proxy->client;
 857         if (client == NULL)
 858                 return FALSE;
 859
 860         data = g_try_new0(struct method_call_data, 1);
 861         if (data == NULL)
 862                 return FALSE;
 863
 864         data->function = function;
 865         data->user_data = user_data;
 866         data->destroy = destroy;
 867
 868         msg = dbus_message_new_method_call(client->service_name,
 869                                 proxy->obj_path, proxy->interface, method);
 870         if (msg == NULL) {
 871                 g_free(data);
 872                 return FALSE;
 873         }
 874
 875         if (setup) {
 876                 DBusMessageIter iter;
 877
 878                 dbus_message_iter_init_append(msg, &iter);
 879                 setup(&iter, data->user_data);
 880         }
 881
 882         if (g_dbus_send_message_with_reply(client->dbus_conn, msg,
 883                                         &call, METHOD_CALL_TIMEOUT) == FALSE) {
 884                 dbus_message_unref(msg);
 885                 g_free(data);
 886                 return FALSE;
 887         }
 888
 889         dbus_pending_call_set_notify(call, method_call_reply, data, g_free);
 890         dbus_pending_call_unref(call);
 891
 892         dbus_message_unref(msg);
 893
 894         return TRUE;
 895 }
 896
 897 gboolean g_dbus_proxy_set_property_watch(GDBusProxy *proxy,
 898                         GDBusPropertyFunction function, void *user_data)
 899 {
 900         if (proxy == NULL)
 901                 return FALSE;
 902
 903         proxy->prop_func = function;
 904         proxy->prop_data = user_data;
 905
 906         return TRUE;
 907 }
 908
 909 gboolean g_dbus_proxy_set_removed_watch(GDBusProxy *proxy,
 910                                 GDBusProxyFunction function, void *user_data)
 911 {
 912         if (proxy == NULL)
 913                 return FALSE;
 914
 915         proxy->removed_func = function;
 916         proxy->removed_data = user_data;
 917
 918         return TRUE;
 919 }
 920
 921 static void refresh_properties(GDBusClient *client)
 922 {
 923         GList *list;
 924
 925         for (list = g_list_first(client->proxy_list); list;
 926                                                 list = g_list_next(list)) {
 927                 GDBusProxy *proxy = list->data;
 928
 929                 get_all_properties(proxy);
 930         }
 931 }
 932
 933 static void parse_properties(GDBusClient *client, const char *path,
 934                                 const char *interface, DBusMessageIter *iter)
 935 {
 936         GDBusProxy *proxy;
 937
 938         if (g_str_equal(interface, DBUS_INTERFACE_INTROSPECTABLE) == TRUE)
 939                 return;
 940
 941         if (g_str_equal(interface, DBUS_INTERFACE_PROPERTIES) == TRUE)
 942                 return;
 943
 944         proxy = proxy_lookup(client, path, interface);
 945         if (proxy) {
 946                 update_properties(proxy, iter, FALSE);
 947                 return;
 948         }
 949
 950         proxy = proxy_new(client, path, interface);
 951         if (proxy == NULL)
 952                 return;
 953
 954         update_properties(proxy, iter, FALSE);
 955
 956         if (client->proxy_added)
 957                 client->proxy_added(proxy, client->user_data);
 958
 959         client->proxy_list = g_list_append(client->proxy_list, proxy);
 960 }
 961
 962 static void parse_interfaces(GDBusClient *client, const char *path,
 963                                                 DBusMessageIter *iter)
 964 {
 965         DBusMessageIter dict;
 966
 967         if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY)
 968                 return;
 969
 970         dbus_message_iter_recurse(iter, &dict);
 971
 972         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 973                 DBusMessageIter entry;
 974                 const char *interface;
 975
 976                 dbus_message_iter_recurse(&dict, &entry);
 977
 978                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
 979                         break;
 980
 981                 dbus_message_iter_get_basic(&entry, &interface);
 982                 dbus_message_iter_next(&entry);
 983
 984                 parse_properties(client, path, interface, &entry);
 985
 986                 dbus_message_iter_next(&dict);
 987         }
 988 }
 989
 990 static gboolean interfaces_added(DBusConnection *conn, DBusMessage *msg,
 991                                                         void *user_data)
 992 {
 993         GDBusClient *client = user_data;
 994         DBusMessageIter iter;
 995         const char *path;
 996
 997         if (dbus_message_iter_init(msg, &iter) == FALSE)
 998                 return TRUE;
 999
1000         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_OBJECT_PATH)
1001                 return TRUE;
1002
1003         dbus_message_iter_get_basic(&iter, &path);
1004         dbus_message_iter_next(&iter);
1005
1006         g_dbus_client_ref(client);
1007
1008         parse_interfaces(client, path, &iter);
1009
1010         g_dbus_client_unref(client);
1011
1012         return TRUE;
1013 }
1014
1015 static gboolean interfaces_removed(DBusConnection *conn, DBusMessage *msg,
1016                                                         void *user_data)
1017 {
1018         GDBusClient *client = user_data;
1019         DBusMessageIter iter, entry;
1020         const char *path;
1021
1022         if (dbus_message_iter_init(msg, &iter) == FALSE)
1023                 return TRUE;
1024
1025         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_OBJECT_PATH)
1026                 return TRUE;
1027
1028         dbus_message_iter_get_basic(&iter, &path);
1029         dbus_message_iter_next(&iter);
1030
1031         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY)
1032                 return TRUE;
1033
1034         dbus_message_iter_recurse(&iter, &entry);
1035
1036         g_dbus_client_ref(client);
1037
1038         while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
1039                 const char *interface;
1040
1041                 dbus_message_iter_get_basic(&entry, &interface);
1042                 proxy_remove(client, path, interface);
1043                 dbus_message_iter_next(&entry);
1044         }
1045
1046         g_dbus_client_unref(client);
1047
1048         return TRUE;
1049 }
1050
1051 static void parse_managed_objects(GDBusClient *client, DBusMessage *msg)
1052 {
1053         DBusMessageIter iter, dict;
1054
1055         if (dbus_message_iter_init(msg, &iter) == FALSE)
1056                 return;
1057
1058         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY)
1059                 return;
1060
1061         dbus_message_iter_recurse(&iter, &dict);
1062
1063         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1064                 DBusMessageIter entry;
1065                 const char *path;
1066
1067                 dbus_message_iter_recurse(&dict, &entry);
1068
1069                 if (dbus_message_iter_get_arg_type(&entry) !=
1070                                                         DBUS_TYPE_OBJECT_PATH)
1071                         break;
1072
1073                 dbus_message_iter_get_basic(&entry, &path);
1074                 dbus_message_iter_next(&entry);
1075
1076                 parse_interfaces(client, path, &entry);
1077
1078                 dbus_message_iter_next(&dict);
1079         }
1080 #if !defined TIZEN_EXT
1081         if (client->ready)
1082                 client->ready(client, client->ready_data);
1083 #endif
1084 }
1085
1086 static void get_managed_objects_reply(DBusPendingCall *call, void *user_data)
1087 {
1088         GDBusClient *client = user_data;
1089         DBusMessage *reply = dbus_pending_call_steal_reply(call);
1090         DBusError error;
1091
1092         g_dbus_client_ref(client);
1093
1094         dbus_error_init(&error);
1095
1096         if (dbus_set_error_from_message(&error, reply) == TRUE) {
1097                 dbus_error_free(&error);
1098                 goto done;
1099         }
1100
1101         parse_managed_objects(client, reply);
1102
1103 done:
1104         dbus_message_unref(reply);
1105
1106         dbus_pending_call_unref(client->get_objects_call);
1107         client->get_objects_call = NULL;
1108
1109         g_dbus_client_unref(client);
1110 }
1111
1112 static void get_managed_objects(GDBusClient *client)
1113 {
1114         DBusMessage *msg;
1115
1116         if (!client->connected)
1117                 return;
1118
1119         if ((!client->proxy_added && !client->proxy_removed) ||
1120                                                         !client->root_path) {
1121                 refresh_properties(client);
1122                 return;
1123         }
1124
1125         if (client->get_objects_call != NULL)
1126                 return;
1127
1128         msg = dbus_message_new_method_call(client->service_name,
1129                                                 client->root_path,
1130                                                 DBUS_INTERFACE_OBJECT_MANAGER,
1131                                                 "GetManagedObjects");
1132         if (msg == NULL)
1133                 return;
1134
1135         dbus_message_append_args(msg, DBUS_TYPE_INVALID);
1136
1137         if (g_dbus_send_message_with_reply(client->dbus_conn, msg,
1138                                 &client->get_objects_call, -1) == FALSE) {
1139                 dbus_message_unref(msg);
1140                 return;
1141         }
1142
1143         dbus_pending_call_set_notify(client->get_objects_call,
1144                                                 get_managed_objects_reply,
1145                                                 client, NULL);
1146
1147         dbus_message_unref(msg);
1148 }
1149
1150 static void service_connect(DBusConnection *conn, void *user_data)
1151 {
1152         GDBusClient *client = user_data;
1153
1154         g_dbus_client_ref(client);
1155
1156         client->connected = TRUE;
1157
1158         if (client->connect_func)
1159                 client->connect_func(conn, client->connect_data);
1160
1161         get_managed_objects(client);
1162
1163         g_dbus_client_unref(client);
1164 }
1165
1166 static void service_disconnect(DBusConnection *conn, void *user_data)
1167 {
1168         GDBusClient *client = user_data;
1169
1170         client->connected = FALSE;
1171
1172         g_list_free_full(client->proxy_list, proxy_free);
1173         client->proxy_list = NULL;
1174
1175         if (client->disconn_func)
1176                 client->disconn_func(conn, client->disconn_data);
1177 }
1178
1179 static DBusHandlerResult message_filter(DBusConnection *connection,
1180                                         DBusMessage *message, void *user_data)
1181 {
1182         GDBusClient *client = user_data;
1183         const char *sender, *path, *interface;
1184
1185         if (dbus_message_get_type(message) != DBUS_MESSAGE_TYPE_SIGNAL)
1186                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1187
1188         sender = dbus_message_get_sender(message);
1189         if (sender == NULL)
1190                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1191
1192         path = dbus_message_get_path(message);
1193         interface = dbus_message_get_interface(message);
1194
1195         if (g_str_has_prefix(path, client->base_path) == FALSE)
1196                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1197
1198         if (g_str_equal(interface, DBUS_INTERFACE_PROPERTIES) == TRUE)
1199                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1200
1201         if (client->signal_func)
1202                 client->signal_func(connection, message, client->signal_data);
1203
1204         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1205 }
1206
1207 GDBusClient *g_dbus_client_new(DBusConnection *connection,
1208                                         const char *service, const char *path)
1209 {
1210         return g_dbus_client_new_full(connection, service, path, "/");
1211 }
1212
1213 GDBusClient *g_dbus_client_new_full(DBusConnection *connection,
1214                                                         const char *service,
1215                                                         const char *path,
1216                                                         const char *root_path)
1217 {
1218         GDBusClient *client;
1219         unsigned int i;
1220
1221         if (!connection || !service)
1222                 return NULL;
1223
1224         client = g_try_new0(GDBusClient, 1);
1225         if (client == NULL)
1226                 return NULL;
1227
1228         if (dbus_connection_add_filter(connection, message_filter,
1229                                                 client, NULL) == FALSE) {
1230                 g_free(client);
1231                 return NULL;
1232         }
1233
1234         client->dbus_conn = dbus_connection_ref(connection);
1235         client->service_name = g_strdup(service);
1236         client->base_path = g_strdup(path);
1237         client->root_path = g_strdup(root_path);
1238         client->connected = FALSE;
1239
1240         client->match_rules = g_ptr_array_sized_new(1);
1241         g_ptr_array_set_free_func(client->match_rules, g_free);
1242
1243         client->watch = g_dbus_add_service_watch(connection, service,
1244                                                 service_connect,
1245                                                 service_disconnect,
1246                                                 client, NULL);
1247
1248         if (!root_path)
1249                 return g_dbus_client_ref(client);
1250
1251         client->added_watch = g_dbus_add_signal_watch(connection, service,
1252                                                 client->root_path,
1253                                                 DBUS_INTERFACE_OBJECT_MANAGER,
1254                                                 "InterfacesAdded",
1255                                                 interfaces_added,
1256                                                 client, NULL);
1257         client->removed_watch = g_dbus_add_signal_watch(connection, service,
1258                                                 client->root_path,
1259                                                 DBUS_INTERFACE_OBJECT_MANAGER,
1260                                                 "InterfacesRemoved",
1261                                                 interfaces_removed,
1262                                                 client, NULL);
1263         g_ptr_array_add(client->match_rules, g_strdup_printf("type='signal',"
1264                                 "sender='%s',path_namespace='%s'",
1265                                 client->service_name, client->base_path));
1266
1267         for (i = 0; i < client->match_rules->len; i++) {
1268                 modify_match(client->dbus_conn, "AddMatch",
1269                                 g_ptr_array_index(client->match_rules, i));
1270         }
1271
1272         return g_dbus_client_ref(client);
1273 }
1274
1275 GDBusClient *g_dbus_client_ref(GDBusClient *client)
1276 {
1277         if (client == NULL)
1278                 return NULL;
1279
1280         __sync_fetch_and_add(&client->ref_count, 1);
1281
1282         return client;
1283 }
1284
1285 void g_dbus_client_unref(GDBusClient *client)
1286 {
1287         unsigned int i;
1288
1289         if (client == NULL)
1290                 return;
1291
1292         if (__sync_sub_and_fetch(&client->ref_count, 1) > 0)
1293                 return;
1294
1295         if (client->pending_call != NULL) {
1296                 dbus_pending_call_cancel(client->pending_call);
1297                 dbus_pending_call_unref(client->pending_call);
1298         }
1299
1300         if (client->get_objects_call != NULL) {
1301                 dbus_pending_call_cancel(client->get_objects_call);
1302                 dbus_pending_call_unref(client->get_objects_call);
1303         }
1304
1305         for (i = 0; i < client->match_rules->len; i++) {
1306                 modify_match(client->dbus_conn, "RemoveMatch",
1307                                 g_ptr_array_index(client->match_rules, i));
1308         }
1309
1310         g_ptr_array_free(client->match_rules, TRUE);
1311
1312         dbus_connection_remove_filter(client->dbus_conn,
1313                                                 message_filter, client);
1314
1315         g_list_free_full(client->proxy_list, proxy_free);
1316
1317         /*
1318          * Don't call disconn_func twice if disconnection
1319          * was previously reported.
1320          */
1321         if (client->disconn_func && client->connected)
1322                 client->disconn_func(client->dbus_conn, client->disconn_data);
1323
1324         g_dbus_remove_watch(client->dbus_conn, client->watch);
1325         g_dbus_remove_watch(client->dbus_conn, client->added_watch);
1326         g_dbus_remove_watch(client->dbus_conn, client->removed_watch);
1327
1328         dbus_connection_unref(client->dbus_conn);
1329
1330         g_free(client->service_name);
1331         g_free(client->base_path);
1332         g_free(client->root_path);
1333
1334         g_free(client);
1335 }
1336
1337 gboolean g_dbus_client_set_connect_watch(GDBusClient *client,
1338                                 GDBusWatchFunction function, void *user_data)
1339 {
1340         if (client == NULL)
1341                 return FALSE;
1342
1343         client->connect_func = function;
1344         client->connect_data = user_data;
1345
1346         return TRUE;
1347 }
1348
1349 gboolean g_dbus_client_set_disconnect_watch(GDBusClient *client,
1350                                 GDBusWatchFunction function, void *user_data)
1351 {
1352         if (client == NULL)
1353                 return FALSE;
1354
1355         client->disconn_func = function;
1356         client->disconn_data = user_data;
1357
1358         return TRUE;
1359 }
1360
1361 gboolean g_dbus_client_set_signal_watch(GDBusClient *client,
1362                                 GDBusMessageFunction function, void *user_data)
1363 {
1364         if (client == NULL)
1365                 return FALSE;
1366
1367         client->signal_func = function;
1368         client->signal_data = user_data;
1369
1370         return TRUE;
1371 }
1372
1373 #if !defined TIZEN_EXT
1374 gboolean g_dbus_client_set_ready_watch(GDBusClient *client,
1375                                 GDBusClientFunction ready, void *user_data)
1376 {
1377         if (client == NULL)
1378                 return FALSE;
1379
1380         client->ready = ready;
1381         client->ready_data = user_data;
1382
1383         return TRUE;
1384 }
1385 #endif
1386
1387 gboolean g_dbus_client_set_proxy_handlers(GDBusClient *client,
1388                                         GDBusProxyFunction proxy_added,
1389                                         GDBusProxyFunction proxy_removed,
1390                                         GDBusPropertyFunction property_changed,
1391                                         void *user_data)
1392 {
1393         if (client == NULL)
1394                 return FALSE;
1395
1396         client->proxy_added = proxy_added;
1397         client->proxy_removed = proxy_removed;
1398         client->property_changed = property_changed;
1399         client->user_data = user_data;
1400
1401         if (proxy_added || proxy_removed || property_changed)
1402                 get_managed_objects(client);
1403
1404         return TRUE;
1405 }