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00024 #include <config.h>
00025 #include "dbus-object-tree.h"
00026 #include "dbus-connection-internal.h"
00027 #include "dbus-internals.h"
00028 #include "dbus-hash.h"
00029 #include "dbus-protocol.h"
00030 #include "dbus-string.h"
00031 #include <string.h>
00032 #include <stdlib.h>
00033
00046 typedef struct DBusObjectSubtree DBusObjectSubtree;
00047
00048 static DBusObjectSubtree* _dbus_object_subtree_new (const char *name,
00049 const DBusObjectPathVTable *vtable,
00050 void *user_data);
00051 static DBusObjectSubtree* _dbus_object_subtree_ref (DBusObjectSubtree *subtree);
00052 static void _dbus_object_subtree_unref (DBusObjectSubtree *subtree);
00053
00057 struct DBusObjectTree
00058 {
00059 int refcount;
00060 DBusConnection *connection;
00062 DBusObjectSubtree *root;
00063 };
00064
00070 struct DBusObjectSubtree
00071 {
00072 DBusAtomic refcount;
00073 DBusObjectSubtree *parent;
00074 DBusObjectPathUnregisterFunction unregister_function;
00075 DBusObjectPathMessageFunction message_function;
00076 void *user_data;
00077 DBusObjectSubtree **subtrees;
00078 int n_subtrees;
00079 int max_subtrees;
00080 unsigned int invoke_as_fallback : 1;
00081 char name[1];
00082 };
00083
00091 DBusObjectTree*
00092 _dbus_object_tree_new (DBusConnection *connection)
00093 {
00094 DBusObjectTree *tree;
00095
00096
00097
00098
00099
00100
00101 tree = dbus_new0 (DBusObjectTree, 1);
00102 if (tree == NULL)
00103 goto oom;
00104
00105 tree->refcount = 1;
00106 tree->connection = connection;
00107 tree->root = _dbus_object_subtree_new ("/", NULL, NULL);
00108 if (tree->root == NULL)
00109 goto oom;
00110 tree->root->invoke_as_fallback = TRUE;
00111
00112 return tree;
00113
00114 oom:
00115 if (tree)
00116 {
00117 dbus_free (tree);
00118 }
00119
00120 return NULL;
00121 }
00122
00128 DBusObjectTree *
00129 _dbus_object_tree_ref (DBusObjectTree *tree)
00130 {
00131 _dbus_assert (tree->refcount > 0);
00132
00133 tree->refcount += 1;
00134
00135 return tree;
00136 }
00137
00142 void
00143 _dbus_object_tree_unref (DBusObjectTree *tree)
00144 {
00145 _dbus_assert (tree->refcount > 0);
00146
00147 tree->refcount -= 1;
00148
00149 if (tree->refcount == 0)
00150 {
00151 _dbus_object_tree_free_all_unlocked (tree);
00152
00153 dbus_free (tree);
00154 }
00155 }
00156
00160 #define VERBOSE_FIND 0
00161
00162 static DBusObjectSubtree*
00163 find_subtree_recurse (DBusObjectSubtree *subtree,
00164 const char **path,
00165 dbus_bool_t create_if_not_found,
00166 int *index_in_parent,
00167 dbus_bool_t *exact_match)
00168 {
00169 int i, j;
00170 dbus_bool_t return_deepest_match;
00171
00172 return_deepest_match = exact_match != NULL;
00173
00174 _dbus_assert (!(return_deepest_match && create_if_not_found));
00175
00176 if (path[0] == NULL)
00177 {
00178 #if VERBOSE_FIND
00179 _dbus_verbose (" path exhausted, returning %s\n",
00180 subtree->name);
00181 #endif
00182 if (exact_match != NULL)
00183 *exact_match = TRUE;
00184 return subtree;
00185 }
00186
00187 #if VERBOSE_FIND
00188 _dbus_verbose (" searching children of %s for %s\n",
00189 subtree->name, path[0]);
00190 #endif
00191
00192 i = 0;
00193 j = subtree->n_subtrees;
00194 while (i < j)
00195 {
00196 int k, v;
00197
00198 k = (i + j) / 2;
00199 v = strcmp (path[0], subtree->subtrees[k]->name);
00200
00201 #if VERBOSE_FIND
00202 _dbus_verbose (" %s cmp %s = %d\n",
00203 path[0], subtree->subtrees[k]->name,
00204 v);
00205 #endif
00206
00207 if (v == 0)
00208 {
00209 if (index_in_parent)
00210 {
00211 #if VERBOSE_FIND
00212 _dbus_verbose (" storing parent index %d\n", k);
00213 #endif
00214 *index_in_parent = k;
00215 }
00216
00217 if (return_deepest_match)
00218 {
00219 DBusObjectSubtree *next;
00220
00221 next = find_subtree_recurse (subtree->subtrees[k],
00222 &path[1], create_if_not_found,
00223 index_in_parent, exact_match);
00224 if (next == NULL &&
00225 subtree->invoke_as_fallback)
00226 {
00227 #if VERBOSE_FIND
00228 _dbus_verbose (" no deeper match found, returning %s\n",
00229 subtree->name);
00230 #endif
00231 if (exact_match != NULL)
00232 *exact_match = FALSE;
00233 return subtree;
00234 }
00235 else
00236 return next;
00237 }
00238 else
00239 return find_subtree_recurse (subtree->subtrees[k],
00240 &path[1], create_if_not_found,
00241 index_in_parent, exact_match);
00242 }
00243 else if (v < 0)
00244 {
00245 j = k;
00246 }
00247 else
00248 {
00249 i = k + 1;
00250 }
00251 }
00252
00253 #if VERBOSE_FIND
00254 _dbus_verbose (" no match found, current tree %s, create_if_not_found = %d\n",
00255 subtree->name, create_if_not_found);
00256 #endif
00257
00258 if (create_if_not_found)
00259 {
00260 DBusObjectSubtree* child;
00261 int child_pos, new_n_subtrees;
00262
00263 #if VERBOSE_FIND
00264 _dbus_verbose (" creating subtree %s\n",
00265 path[0]);
00266 #endif
00267
00268 child = _dbus_object_subtree_new (path[0],
00269 NULL, NULL);
00270 if (child == NULL)
00271 return NULL;
00272
00273 new_n_subtrees = subtree->n_subtrees + 1;
00274 if (new_n_subtrees > subtree->max_subtrees)
00275 {
00276 int new_max_subtrees;
00277 DBusObjectSubtree **new_subtrees;
00278
00279 new_max_subtrees = subtree->max_subtrees == 0 ? 1 : 2 * subtree->max_subtrees;
00280 new_subtrees = dbus_realloc (subtree->subtrees,
00281 new_max_subtrees * sizeof (DBusObjectSubtree*));
00282 if (new_subtrees == NULL)
00283 {
00284 _dbus_object_subtree_unref (child);
00285 return NULL;
00286 }
00287 subtree->subtrees = new_subtrees;
00288 subtree->max_subtrees = new_max_subtrees;
00289 }
00290
00291
00292
00293 child_pos = i;
00294 _dbus_assert (child_pos < new_n_subtrees &&
00295 new_n_subtrees <= subtree->max_subtrees);
00296 if (child_pos + 1 < new_n_subtrees)
00297 {
00298 memmove (&subtree->subtrees[child_pos+1],
00299 &subtree->subtrees[child_pos],
00300 (new_n_subtrees - child_pos - 1) *
00301 sizeof subtree->subtrees[0]);
00302 }
00303 subtree->subtrees[child_pos] = child;
00304
00305 if (index_in_parent)
00306 *index_in_parent = child_pos;
00307 subtree->n_subtrees = new_n_subtrees;
00308 child->parent = subtree;
00309
00310 return find_subtree_recurse (child,
00311 &path[1], create_if_not_found,
00312 index_in_parent, exact_match);
00313 }
00314 else
00315 {
00316 if (exact_match != NULL)
00317 *exact_match = FALSE;
00318 return (return_deepest_match && subtree->invoke_as_fallback) ? subtree : NULL;
00319 }
00320 }
00321
00322 static DBusObjectSubtree*
00323 find_subtree (DBusObjectTree *tree,
00324 const char **path,
00325 int *index_in_parent)
00326 {
00327 DBusObjectSubtree *subtree;
00328
00329 #if VERBOSE_FIND
00330 _dbus_verbose ("Looking for exact registered subtree\n");
00331 #endif
00332
00333 subtree = find_subtree_recurse (tree->root, path, FALSE, index_in_parent, NULL);
00334
00335 if (subtree && subtree->message_function == NULL)
00336 return NULL;
00337 else
00338 return subtree;
00339 }
00340
00341 static DBusObjectSubtree*
00342 lookup_subtree (DBusObjectTree *tree,
00343 const char **path)
00344 {
00345 #if VERBOSE_FIND
00346 _dbus_verbose ("Looking for subtree\n");
00347 #endif
00348 return find_subtree_recurse (tree->root, path, FALSE, NULL, NULL);
00349 }
00350
00351 static DBusObjectSubtree*
00352 find_handler (DBusObjectTree *tree,
00353 const char **path,
00354 dbus_bool_t *exact_match)
00355 {
00356 #if VERBOSE_FIND
00357 _dbus_verbose ("Looking for deepest handler\n");
00358 #endif
00359 _dbus_assert (exact_match != NULL);
00360
00361 *exact_match = FALSE;
00362
00363 return find_subtree_recurse (tree->root, path, FALSE, NULL, exact_match);
00364 }
00365
00366 static DBusObjectSubtree*
00367 ensure_subtree (DBusObjectTree *tree,
00368 const char **path)
00369 {
00370 #if VERBOSE_FIND
00371 _dbus_verbose ("Ensuring subtree\n");
00372 #endif
00373 return find_subtree_recurse (tree->root, path, TRUE, NULL, NULL);
00374 }
00375
00376 static char *flatten_path (const char **path);
00377
00390 dbus_bool_t
00391 _dbus_object_tree_register (DBusObjectTree *tree,
00392 dbus_bool_t fallback,
00393 const char **path,
00394 const DBusObjectPathVTable *vtable,
00395 void *user_data,
00396 DBusError *error)
00397 {
00398 DBusObjectSubtree *subtree;
00399
00400 _dbus_assert (tree != NULL);
00401 _dbus_assert (vtable->message_function != NULL);
00402 _dbus_assert (path != NULL);
00403
00404 subtree = ensure_subtree (tree, path);
00405 if (subtree == NULL)
00406 {
00407 _DBUS_SET_OOM (error);
00408 return FALSE;
00409 }
00410
00411 if (subtree->message_function != NULL)
00412 {
00413 if (error != NULL)
00414 {
00415 char *complete_path = flatten_path (path);
00416
00417 dbus_set_error (error, DBUS_ERROR_OBJECT_PATH_IN_USE,
00418 "A handler is already registered for %s",
00419 complete_path ? complete_path
00420 : "(cannot represent path: out of memory!)");
00421
00422 dbus_free (complete_path);
00423 }
00424
00425 return FALSE;
00426 }
00427
00428 subtree->message_function = vtable->message_function;
00429 subtree->unregister_function = vtable->unregister_function;
00430 subtree->user_data = user_data;
00431 subtree->invoke_as_fallback = fallback != FALSE;
00432
00433 return TRUE;
00434 }
00435
00443 void
00444 _dbus_object_tree_unregister_and_unlock (DBusObjectTree *tree,
00445 const char **path)
00446 {
00447 int i;
00448 DBusObjectSubtree *subtree;
00449 DBusObjectPathUnregisterFunction unregister_function;
00450 void *user_data;
00451 DBusConnection *connection;
00452
00453 _dbus_assert (path != NULL);
00454
00455 unregister_function = NULL;
00456 user_data = NULL;
00457
00458 subtree = find_subtree (tree, path, &i);
00459
00460 #ifndef DBUS_DISABLE_CHECKS
00461 if (subtree == NULL)
00462 {
00463 _dbus_warn ("Attempted to unregister path (path[0] = %s path[1] = %s) which isn't registered\n",
00464 path[0] ? path[0] : "null",
00465 path[1] ? path[1] : "null");
00466 goto unlock;
00467 }
00468 #else
00469 _dbus_assert (subtree != NULL);
00470 #endif
00471
00472 _dbus_assert (subtree->parent == NULL ||
00473 (i >= 0 && subtree->parent->subtrees[i] == subtree));
00474
00475 subtree->message_function = NULL;
00476
00477 unregister_function = subtree->unregister_function;
00478 user_data = subtree->user_data;
00479
00480 subtree->unregister_function = NULL;
00481 subtree->user_data = NULL;
00482
00483
00484
00485
00486
00487 if (subtree->parent && subtree->n_subtrees == 0)
00488 {
00489
00490 memmove (&subtree->parent->subtrees[i],
00491 &subtree->parent->subtrees[i+1],
00492 (subtree->parent->n_subtrees - i - 1) *
00493 sizeof (subtree->parent->subtrees[0]));
00494 subtree->parent->n_subtrees -= 1;
00495
00496 subtree->parent = NULL;
00497
00498 _dbus_object_subtree_unref (subtree);
00499 }
00500 subtree = NULL;
00501
00502 unlock:
00503 connection = tree->connection;
00504
00505
00506 #ifdef DBUS_BUILD_TESTS
00507 if (connection)
00508 #endif
00509 {
00510 _dbus_connection_ref_unlocked (connection);
00511 _dbus_verbose ("unlock\n");
00512 _dbus_connection_unlock (connection);
00513 }
00514
00515 if (unregister_function)
00516 (* unregister_function) (connection, user_data);
00517
00518 #ifdef DBUS_BUILD_TESTS
00519 if (connection)
00520 #endif
00521 dbus_connection_unref (connection);
00522 }
00523
00524 static void
00525 free_subtree_recurse (DBusConnection *connection,
00526 DBusObjectSubtree *subtree)
00527 {
00528
00529
00530
00531 while (subtree->n_subtrees > 0)
00532 {
00533 DBusObjectSubtree *child;
00534
00535 child = subtree->subtrees[subtree->n_subtrees - 1];
00536 subtree->subtrees[subtree->n_subtrees - 1] = NULL;
00537 subtree->n_subtrees -= 1;
00538 child->parent = NULL;
00539
00540 free_subtree_recurse (connection, child);
00541 }
00542
00543
00544 if (subtree->unregister_function)
00545 (* subtree->unregister_function) (connection,
00546 subtree->user_data);
00547
00548 subtree->message_function = NULL;
00549 subtree->unregister_function = NULL;
00550 subtree->user_data = NULL;
00551
00552
00553 _dbus_object_subtree_unref (subtree);
00554 }
00555
00562 void
00563 _dbus_object_tree_free_all_unlocked (DBusObjectTree *tree)
00564 {
00565 if (tree->root)
00566 free_subtree_recurse (tree->connection,
00567 tree->root);
00568 tree->root = NULL;
00569 }
00570
00571 static dbus_bool_t
00572 _dbus_object_tree_list_registered_unlocked (DBusObjectTree *tree,
00573 const char **parent_path,
00574 char ***child_entries)
00575 {
00576 DBusObjectSubtree *subtree;
00577 char **retval;
00578
00579 _dbus_assert (parent_path != NULL);
00580 _dbus_assert (child_entries != NULL);
00581
00582 *child_entries = NULL;
00583
00584 subtree = lookup_subtree (tree, parent_path);
00585 if (subtree == NULL)
00586 {
00587 retval = dbus_new0 (char *, 1);
00588 }
00589 else
00590 {
00591 int i;
00592 retval = dbus_new0 (char*, subtree->n_subtrees + 1);
00593 if (retval == NULL)
00594 goto out;
00595 i = 0;
00596 while (i < subtree->n_subtrees)
00597 {
00598 retval[i] = _dbus_strdup (subtree->subtrees[i]->name);
00599 if (retval[i] == NULL)
00600 {
00601 dbus_free_string_array (retval);
00602 retval = NULL;
00603 goto out;
00604 }
00605 ++i;
00606 }
00607 }
00608
00609 out:
00610
00611 *child_entries = retval;
00612 return retval != NULL;
00613 }
00614
00615 static DBusHandlerResult
00616 handle_default_introspect_and_unlock (DBusObjectTree *tree,
00617 DBusMessage *message,
00618 const char **path)
00619 {
00620 DBusString xml;
00621 DBusHandlerResult result;
00622 char **children;
00623 int i;
00624 DBusMessage *reply;
00625 DBusMessageIter iter;
00626 const char *v_STRING;
00627 dbus_bool_t already_unlocked;
00628
00629
00630
00631 already_unlocked = FALSE;
00632
00633 _dbus_verbose (" considering default Introspect() handler...\n");
00634
00635 reply = NULL;
00636
00637 if (!dbus_message_is_method_call (message,
00638 DBUS_INTERFACE_INTROSPECTABLE,
00639 "Introspect"))
00640 {
00641 #ifdef DBUS_BUILD_TESTS
00642 if (tree->connection)
00643 #endif
00644 {
00645 _dbus_verbose ("unlock\n");
00646 _dbus_connection_unlock (tree->connection);
00647 }
00648
00649 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
00650 }
00651
00652 _dbus_verbose (" using default Introspect() handler!\n");
00653
00654 if (!_dbus_string_init (&xml))
00655 {
00656 #ifdef DBUS_BUILD_TESTS
00657 if (tree->connection)
00658 #endif
00659 {
00660 _dbus_verbose ("unlock\n");
00661 _dbus_connection_unlock (tree->connection);
00662 }
00663
00664 return DBUS_HANDLER_RESULT_NEED_MEMORY;
00665 }
00666
00667 result = DBUS_HANDLER_RESULT_NEED_MEMORY;
00668
00669 children = NULL;
00670 if (!_dbus_object_tree_list_registered_unlocked (tree, path, &children))
00671 goto out;
00672
00673 if (!_dbus_string_append (&xml, DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE))
00674 goto out;
00675
00676 if (!_dbus_string_append (&xml, "<node>\n"))
00677 goto out;
00678
00679 i = 0;
00680 while (children[i] != NULL)
00681 {
00682 if (!_dbus_string_append_printf (&xml, " <node name=\"%s\"/>\n",
00683 children[i]))
00684 goto out;
00685
00686 ++i;
00687 }
00688
00689 if (!_dbus_string_append (&xml, "</node>\n"))
00690 goto out;
00691
00692 reply = dbus_message_new_method_return (message);
00693 if (reply == NULL)
00694 goto out;
00695
00696 dbus_message_iter_init_append (reply, &iter);
00697 v_STRING = _dbus_string_get_const_data (&xml);
00698 if (!dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &v_STRING))
00699 goto out;
00700
00701 #ifdef DBUS_BUILD_TESTS
00702 if (tree->connection)
00703 #endif
00704 {
00705 already_unlocked = TRUE;
00706
00707 if (!_dbus_connection_send_and_unlock (tree->connection, reply, NULL))
00708 goto out;
00709 }
00710
00711 result = DBUS_HANDLER_RESULT_HANDLED;
00712
00713 out:
00714 #ifdef DBUS_BUILD_TESTS
00715 if (tree->connection)
00716 #endif
00717 {
00718 if (!already_unlocked)
00719 {
00720 _dbus_verbose ("unlock\n");
00721 _dbus_connection_unlock (tree->connection);
00722 }
00723 }
00724
00725 _dbus_string_free (&xml);
00726 dbus_free_string_array (children);
00727 if (reply)
00728 dbus_message_unref (reply);
00729
00730 return result;
00731 }
00732
00746 DBusHandlerResult
00747 _dbus_object_tree_dispatch_and_unlock (DBusObjectTree *tree,
00748 DBusMessage *message)
00749 {
00750 char **path;
00751 dbus_bool_t exact_match;
00752 DBusList *list;
00753 DBusList *link;
00754 DBusHandlerResult result;
00755 DBusObjectSubtree *subtree;
00756
00757 #if 0
00758 _dbus_verbose ("Dispatch of message by object path\n");
00759 #endif
00760
00761 path = NULL;
00762 if (!dbus_message_get_path_decomposed (message, &path))
00763 {
00764 #ifdef DBUS_BUILD_TESTS
00765 if (tree->connection)
00766 #endif
00767 {
00768 _dbus_verbose ("unlock\n");
00769 _dbus_connection_unlock (tree->connection);
00770 }
00771
00772 _dbus_verbose ("No memory to get decomposed path\n");
00773
00774 return DBUS_HANDLER_RESULT_NEED_MEMORY;
00775 }
00776
00777 if (path == NULL)
00778 {
00779 #ifdef DBUS_BUILD_TESTS
00780 if (tree->connection)
00781 #endif
00782 {
00783 _dbus_verbose ("unlock\n");
00784 _dbus_connection_unlock (tree->connection);
00785 }
00786
00787 _dbus_verbose ("No path field in message\n");
00788 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
00789 }
00790
00791
00792 subtree = find_handler (tree, (const char**) path, &exact_match);
00793
00794
00795
00796 list = NULL;
00797
00798 while (subtree != NULL)
00799 {
00800 if (subtree->message_function != NULL && (exact_match || subtree->invoke_as_fallback))
00801 {
00802 _dbus_object_subtree_ref (subtree);
00803
00804
00805 if (!_dbus_list_append (&list, subtree))
00806 {
00807 result = DBUS_HANDLER_RESULT_NEED_MEMORY;
00808 _dbus_object_subtree_unref (subtree);
00809 goto free_and_return;
00810 }
00811 }
00812
00813 exact_match = FALSE;
00814 subtree = subtree->parent;
00815 }
00816
00817 _dbus_verbose ("%d handlers in the path tree for this message\n",
00818 _dbus_list_get_length (&list));
00819
00820
00821
00822 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
00823
00824 link = _dbus_list_get_first_link (&list);
00825 while (link != NULL)
00826 {
00827 DBusList *next = _dbus_list_get_next_link (&list, link);
00828 subtree = link->data;
00829
00830
00831
00832
00833 if (subtree->message_function)
00834 {
00835 DBusObjectPathMessageFunction message_function;
00836 void *user_data;
00837
00838 message_function = subtree->message_function;
00839 user_data = subtree->user_data;
00840
00841 #if 0
00842 _dbus_verbose (" (invoking a handler)\n");
00843 #endif
00844
00845 #ifdef DBUS_BUILD_TESTS
00846 if (tree->connection)
00847 #endif
00848 {
00849 _dbus_verbose ("unlock\n");
00850 _dbus_connection_unlock (tree->connection);
00851 }
00852
00853
00854
00855
00856
00857
00858 result = (* message_function) (tree->connection,
00859 message,
00860 user_data);
00861
00862 #ifdef DBUS_BUILD_TESTS
00863 if (tree->connection)
00864 #endif
00865 _dbus_connection_lock (tree->connection);
00866
00867 if (result != DBUS_HANDLER_RESULT_NOT_YET_HANDLED)
00868 goto free_and_return;
00869 }
00870
00871 link = next;
00872 }
00873
00874 free_and_return:
00875
00876 if (result == DBUS_HANDLER_RESULT_NOT_YET_HANDLED)
00877 {
00878
00879
00880 result = handle_default_introspect_and_unlock (tree, message,
00881 (const char**) path);
00882 }
00883 else
00884 {
00885 #ifdef DBUS_BUILD_TESTS
00886 if (tree->connection)
00887 #endif
00888 {
00889 _dbus_verbose ("unlock\n");
00890 _dbus_connection_unlock (tree->connection);
00891 }
00892 }
00893
00894 while (list != NULL)
00895 {
00896 link = _dbus_list_get_first_link (&list);
00897 _dbus_object_subtree_unref (link->data);
00898 _dbus_list_remove_link (&list, link);
00899 }
00900
00901 dbus_free_string_array (path);
00902
00903 return result;
00904 }
00905
00914 void*
00915 _dbus_object_tree_get_user_data_unlocked (DBusObjectTree *tree,
00916 const char **path)
00917 {
00918 dbus_bool_t exact_match;
00919 DBusObjectSubtree *subtree;
00920
00921 _dbus_assert (tree != NULL);
00922 _dbus_assert (path != NULL);
00923
00924
00925 subtree = find_handler (tree, (const char**) path, &exact_match);
00926
00927 if ((subtree == NULL) || !exact_match)
00928 {
00929 _dbus_verbose ("No object at specified path found\n");
00930 return NULL;
00931 }
00932
00933 return subtree->user_data;
00934 }
00935
00942 static DBusObjectSubtree*
00943 allocate_subtree_object (const char *name)
00944 {
00945 int len;
00946 DBusObjectSubtree *subtree;
00947 const size_t front_padding = _DBUS_STRUCT_OFFSET (DBusObjectSubtree, name);
00948
00949 _dbus_assert (name != NULL);
00950
00951 len = strlen (name);
00952
00953 subtree = dbus_malloc0 (MAX (front_padding + (len + 1), sizeof (DBusObjectSubtree)));
00954
00955 if (subtree == NULL)
00956 return NULL;
00957
00958 memcpy (subtree->name, name, len + 1);
00959
00960 return subtree;
00961 }
00962
00963 static DBusObjectSubtree*
00964 _dbus_object_subtree_new (const char *name,
00965 const DBusObjectPathVTable *vtable,
00966 void *user_data)
00967 {
00968 DBusObjectSubtree *subtree;
00969
00970 subtree = allocate_subtree_object (name);
00971 if (subtree == NULL)
00972 goto oom;
00973
00974 _dbus_assert (name != NULL);
00975
00976 subtree->parent = NULL;
00977
00978 if (vtable)
00979 {
00980 subtree->message_function = vtable->message_function;
00981 subtree->unregister_function = vtable->unregister_function;
00982 }
00983 else
00984 {
00985 subtree->message_function = NULL;
00986 subtree->unregister_function = NULL;
00987 }
00988
00989 subtree->user_data = user_data;
00990 _dbus_atomic_inc (&subtree->refcount);
00991 subtree->subtrees = NULL;
00992 subtree->n_subtrees = 0;
00993 subtree->max_subtrees = 0;
00994 subtree->invoke_as_fallback = FALSE;
00995
00996 return subtree;
00997
00998 oom:
00999 return NULL;
01000 }
01001
01002 static DBusObjectSubtree *
01003 _dbus_object_subtree_ref (DBusObjectSubtree *subtree)
01004 {
01005 #ifdef DBUS_DISABLE_ASSERT
01006 _dbus_atomic_inc (&subtree->refcount);
01007 #else
01008 dbus_int32_t old_value;
01009
01010 old_value = _dbus_atomic_inc (&subtree->refcount);
01011 _dbus_assert (old_value > 0);
01012 #endif
01013
01014 return subtree;
01015 }
01016
01017 static void
01018 _dbus_object_subtree_unref (DBusObjectSubtree *subtree)
01019 {
01020 dbus_int32_t old_value;
01021
01022 old_value = _dbus_atomic_dec (&subtree->refcount);
01023 _dbus_assert (old_value > 0);
01024
01025 if (old_value == 1)
01026 {
01027 _dbus_assert (subtree->unregister_function == NULL);
01028 _dbus_assert (subtree->message_function == NULL);
01029
01030 dbus_free (subtree->subtrees);
01031 dbus_free (subtree);
01032 }
01033 }
01034
01045 dbus_bool_t
01046 _dbus_object_tree_list_registered_and_unlock (DBusObjectTree *tree,
01047 const char **parent_path,
01048 char ***child_entries)
01049 {
01050 dbus_bool_t result;
01051
01052 result = _dbus_object_tree_list_registered_unlocked (tree,
01053 parent_path,
01054 child_entries);
01055
01056 #ifdef DBUS_BUILD_TESTS
01057 if (tree->connection)
01058 #endif
01059 {
01060 _dbus_verbose ("unlock\n");
01061 _dbus_connection_unlock (tree->connection);
01062 }
01063
01064 return result;
01065 }
01066
01067
01069 #define VERBOSE_DECOMPOSE 0
01070
01081 dbus_bool_t
01082 _dbus_decompose_path (const char* data,
01083 int len,
01084 char ***path,
01085 int *path_len)
01086 {
01087 char **retval;
01088 int n_components;
01089 int i, j, comp;
01090
01091 _dbus_assert (data != NULL);
01092 _dbus_assert (path != NULL);
01093
01094 #if VERBOSE_DECOMPOSE
01095 _dbus_verbose ("Decomposing path \"%s\"\n",
01096 data);
01097 #endif
01098
01099 n_components = 0;
01100 if (len > 1)
01101 {
01102 i = 0;
01103 while (i < len)
01104 {
01105 _dbus_assert (data[i] != '\0');
01106 if (data[i] == '/')
01107 n_components += 1;
01108 ++i;
01109 }
01110 }
01111
01112 retval = dbus_new0 (char*, n_components + 1);
01113
01114 if (retval == NULL)
01115 return FALSE;
01116
01117 comp = 0;
01118 if (n_components == 0)
01119 i = 1;
01120 else
01121 i = 0;
01122 while (comp < n_components)
01123 {
01124 _dbus_assert (i < len);
01125
01126 if (data[i] == '/')
01127 ++i;
01128 j = i;
01129
01130 while (j < len && data[j] != '/')
01131 ++j;
01132
01133
01134 _dbus_assert (i < j);
01135 _dbus_assert (data[i] != '/');
01136 _dbus_assert (j == len || data[j] == '/');
01137
01138 #if VERBOSE_DECOMPOSE
01139 _dbus_verbose (" (component in [%d,%d))\n",
01140 i, j);
01141 #endif
01142
01143 retval[comp] = _dbus_memdup (&data[i], j - i + 1);
01144 if (retval[comp] == NULL)
01145 {
01146 dbus_free_string_array (retval);
01147 return FALSE;
01148 }
01149 retval[comp][j-i] = '\0';
01150 #if VERBOSE_DECOMPOSE
01151 _dbus_verbose (" (component %d = \"%s\")\n",
01152 comp, retval[comp]);
01153 #endif
01154
01155 ++comp;
01156 i = j;
01157 }
01158 _dbus_assert (i == len);
01159
01160 *path = retval;
01161 if (path_len)
01162 *path_len = n_components;
01163
01164 return TRUE;
01165 }
01166
01169 static char*
01170 flatten_path (const char **path)
01171 {
01172 DBusString str;
01173 char *s;
01174
01175 if (!_dbus_string_init (&str))
01176 return NULL;
01177
01178 if (path[0] == NULL)
01179 {
01180 if (!_dbus_string_append_byte (&str, '/'))
01181 goto nomem;
01182 }
01183 else
01184 {
01185 int i;
01186
01187 i = 0;
01188 while (path[i])
01189 {
01190 if (!_dbus_string_append_byte (&str, '/'))
01191 goto nomem;
01192
01193 if (!_dbus_string_append (&str, path[i]))
01194 goto nomem;
01195
01196 ++i;
01197 }
01198 }
01199
01200 if (!_dbus_string_steal_data (&str, &s))
01201 goto nomem;
01202
01203 _dbus_string_free (&str);
01204
01205 return s;
01206
01207 nomem:
01208 _dbus_string_free (&str);
01209 return NULL;
01210 }
01211
01212
01213 #ifdef DBUS_BUILD_TESTS
01214
01215 #ifndef DOXYGEN_SHOULD_SKIP_THIS
01216
01217 #include "dbus-test.h"
01218 #include <stdio.h>
01219
01220 typedef enum
01221 {
01222 STR_EQUAL,
01223 STR_PREFIX,
01224 STR_DIFFERENT
01225 } StrComparison;
01226
01227
01228
01229 static StrComparison
01230 path_contains (const char **container,
01231 const char **child)
01232 {
01233 int i;
01234
01235 i = 0;
01236 while (child[i] != NULL)
01237 {
01238 int v;
01239
01240 if (container[i] == NULL)
01241 return STR_PREFIX;
01242
01243
01244
01245
01246 _dbus_assert (container[i] != NULL);
01247 _dbus_assert (child[i] != NULL);
01248
01249 v = strcmp (container[i], child[i]);
01250
01251 if (v != 0)
01252 return STR_DIFFERENT;
01253
01254
01255
01256 ++i;
01257 }
01258
01259
01260
01261
01262 if (container[i] == NULL)
01263 return STR_EQUAL;
01264 else
01265 return STR_DIFFERENT;
01266 }
01267
01268 #if 0
01269 static void
01270 spew_subtree_recurse (DBusObjectSubtree *subtree,
01271 int indent)
01272 {
01273 int i;
01274
01275 i = 0;
01276 while (i < indent)
01277 {
01278 _dbus_verbose (" ");
01279 ++i;
01280 }
01281
01282 _dbus_verbose ("%s (%d children)\n",
01283 subtree->name, subtree->n_subtrees);
01284
01285 i = 0;
01286 while (i < subtree->n_subtrees)
01287 {
01288 spew_subtree_recurse (subtree->subtrees[i], indent + 2);
01289
01290 ++i;
01291 }
01292 }
01293
01294 static void
01295 spew_tree (DBusObjectTree *tree)
01296 {
01297 spew_subtree_recurse (tree->root, 0);
01298 }
01299 #endif
01300
01304 typedef struct
01305 {
01306 const char **path;
01307 dbus_bool_t handler_fallback;
01308 dbus_bool_t message_handled;
01309 dbus_bool_t handler_unregistered;
01310 } TreeTestData;
01311
01312
01313 static void
01314 test_unregister_function (DBusConnection *connection,
01315 void *user_data)
01316 {
01317 TreeTestData *ttd = user_data;
01318
01319 ttd->handler_unregistered = TRUE;
01320 }
01321
01322 static DBusHandlerResult
01323 test_message_function (DBusConnection *connection,
01324 DBusMessage *message,
01325 void *user_data)
01326 {
01327 TreeTestData *ttd = user_data;
01328
01329 ttd->message_handled = TRUE;
01330
01331 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
01332 }
01333
01334 static dbus_bool_t
01335 do_register (DBusObjectTree *tree,
01336 const char **path,
01337 dbus_bool_t fallback,
01338 int i,
01339 TreeTestData *tree_test_data)
01340 {
01341 DBusObjectPathVTable vtable = { test_unregister_function,
01342 test_message_function, NULL };
01343
01344 tree_test_data[i].message_handled = FALSE;
01345 tree_test_data[i].handler_unregistered = FALSE;
01346 tree_test_data[i].handler_fallback = fallback;
01347 tree_test_data[i].path = path;
01348
01349 if (!_dbus_object_tree_register (tree, fallback, path,
01350 &vtable,
01351 &tree_test_data[i],
01352 NULL))
01353 return FALSE;
01354
01355 _dbus_assert (_dbus_object_tree_get_user_data_unlocked (tree, path) ==
01356 &tree_test_data[i]);
01357
01358 return TRUE;
01359 }
01360
01361 static dbus_bool_t
01362 do_test_dispatch (DBusObjectTree *tree,
01363 const char **path,
01364 int i,
01365 TreeTestData *tree_test_data,
01366 int n_test_data)
01367 {
01368 DBusMessage *message;
01369 int j;
01370 DBusHandlerResult result;
01371 char *flat;
01372
01373 message = NULL;
01374
01375 flat = flatten_path (path);
01376 if (flat == NULL)
01377 goto oom;
01378
01379 message = dbus_message_new_method_call (NULL,
01380 flat,
01381 "org.freedesktop.TestInterface",
01382 "Foo");
01383 dbus_free (flat);
01384 if (message == NULL)
01385 goto oom;
01386
01387 j = 0;
01388 while (j < n_test_data)
01389 {
01390 tree_test_data[j].message_handled = FALSE;
01391 ++j;
01392 }
01393
01394 result = _dbus_object_tree_dispatch_and_unlock (tree, message);
01395 if (result == DBUS_HANDLER_RESULT_NEED_MEMORY)
01396 goto oom;
01397
01398 _dbus_assert (tree_test_data[i].message_handled);
01399
01400 j = 0;
01401 while (j < n_test_data)
01402 {
01403 if (tree_test_data[j].message_handled)
01404 {
01405 if (tree_test_data[j].handler_fallback)
01406 _dbus_assert (path_contains (tree_test_data[j].path,
01407 path) != STR_DIFFERENT);
01408 else
01409 _dbus_assert (path_contains (tree_test_data[j].path, path) == STR_EQUAL);
01410 }
01411 else
01412 {
01413 if (tree_test_data[j].handler_fallback)
01414 _dbus_assert (path_contains (tree_test_data[j].path,
01415 path) == STR_DIFFERENT);
01416 else
01417 _dbus_assert (path_contains (tree_test_data[j].path, path) != STR_EQUAL);
01418 }
01419
01420 ++j;
01421 }
01422
01423 dbus_message_unref (message);
01424
01425 return TRUE;
01426
01427 oom:
01428 if (message)
01429 dbus_message_unref (message);
01430 return FALSE;
01431 }
01432
01433 static size_t
01434 string_array_length (const char **array)
01435 {
01436 size_t i;
01437 for (i = 0; array[i]; i++) ;
01438 return i;
01439 }
01440
01441 typedef struct
01442 {
01443 const char *path;
01444 const char *result[20];
01445 } DecomposePathTest;
01446
01447 static DecomposePathTest decompose_tests[] = {
01448 { "/foo", { "foo", NULL } },
01449 { "/foo/bar", { "foo", "bar", NULL } },
01450 { "/", { NULL } },
01451 { "/a/b", { "a", "b", NULL } },
01452 { "/a/b/c", { "a", "b", "c", NULL } },
01453 { "/a/b/c/d", { "a", "b", "c", "d", NULL } },
01454 { "/foo/bar/q", { "foo", "bar", "q", NULL } },
01455 { "/foo/bar/this/is/longer", { "foo", "bar", "this", "is", "longer", NULL } }
01456 };
01457
01458 static dbus_bool_t
01459 run_decompose_tests (void)
01460 {
01461 int i;
01462
01463 i = 0;
01464 while (i < _DBUS_N_ELEMENTS (decompose_tests))
01465 {
01466 char **result;
01467 int result_len;
01468 int expected_len;
01469
01470 if (!_dbus_decompose_path (decompose_tests[i].path,
01471 strlen (decompose_tests[i].path),
01472 &result, &result_len))
01473 return FALSE;
01474
01475 expected_len = string_array_length (decompose_tests[i].result);
01476
01477 if (result_len != (int) string_array_length ((const char**)result) ||
01478 expected_len != result_len ||
01479 path_contains (decompose_tests[i].result,
01480 (const char**) result) != STR_EQUAL)
01481 {
01482 int real_len = string_array_length ((const char**)result);
01483 _dbus_warn ("Expected decompose of %s to have len %d, returned %d, appears to have %d\n",
01484 decompose_tests[i].path, expected_len, result_len,
01485 real_len);
01486 _dbus_warn ("Decompose resulted in elements: { ");
01487 i = 0;
01488 while (i < real_len)
01489 {
01490 _dbus_warn ("\"%s\"%s", result[i],
01491 (i + 1) == real_len ? "" : ", ");
01492 ++i;
01493 }
01494 _dbus_warn ("}\n");
01495 _dbus_assert_not_reached ("path decompose failed\n");
01496 }
01497
01498 dbus_free_string_array (result);
01499
01500 ++i;
01501 }
01502
01503 return TRUE;
01504 }
01505
01506 static dbus_bool_t
01507 object_tree_test_iteration (void *data)
01508 {
01509 const char *path0[] = { NULL };
01510 const char *path1[] = { "foo", NULL };
01511 const char *path2[] = { "foo", "bar", NULL };
01512 const char *path3[] = { "foo", "bar", "baz", NULL };
01513 const char *path4[] = { "foo", "bar", "boo", NULL };
01514 const char *path5[] = { "blah", NULL };
01515 const char *path6[] = { "blah", "boof", NULL };
01516 const char *path7[] = { "blah", "boof", "this", "is", "really", "long", NULL };
01517 const char *path8[] = { "childless", NULL };
01518 DBusObjectTree *tree;
01519 TreeTestData tree_test_data[9];
01520 int i;
01521 dbus_bool_t exact_match;
01522
01523 if (!run_decompose_tests ())
01524 return FALSE;
01525
01526 tree = NULL;
01527
01528 tree = _dbus_object_tree_new (NULL);
01529 if (tree == NULL)
01530 goto out;
01531
01532 if (!do_register (tree, path0, TRUE, 0, tree_test_data))
01533 goto out;
01534
01535 _dbus_assert (find_subtree (tree, path0, NULL));
01536 _dbus_assert (!find_subtree (tree, path1, NULL));
01537 _dbus_assert (!find_subtree (tree, path2, NULL));
01538 _dbus_assert (!find_subtree (tree, path3, NULL));
01539 _dbus_assert (!find_subtree (tree, path4, NULL));
01540 _dbus_assert (!find_subtree (tree, path5, NULL));
01541 _dbus_assert (!find_subtree (tree, path6, NULL));
01542 _dbus_assert (!find_subtree (tree, path7, NULL));
01543 _dbus_assert (!find_subtree (tree, path8, NULL));
01544
01545 _dbus_assert (find_handler (tree, path0, &exact_match) && exact_match);
01546 _dbus_assert (find_handler (tree, path1, &exact_match) == tree->root && !exact_match);
01547 _dbus_assert (find_handler (tree, path2, &exact_match) == tree->root && !exact_match);
01548 _dbus_assert (find_handler (tree, path3, &exact_match) == tree->root && !exact_match);
01549 _dbus_assert (find_handler (tree, path4, &exact_match) == tree->root && !exact_match);
01550 _dbus_assert (find_handler (tree, path5, &exact_match) == tree->root && !exact_match);
01551 _dbus_assert (find_handler (tree, path6, &exact_match) == tree->root && !exact_match);
01552 _dbus_assert (find_handler (tree, path7, &exact_match) == tree->root && !exact_match);
01553 _dbus_assert (find_handler (tree, path8, &exact_match) == tree->root && !exact_match);
01554
01555 if (!do_register (tree, path1, TRUE, 1, tree_test_data))
01556 goto out;
01557
01558 _dbus_assert (find_subtree (tree, path0, NULL));
01559 _dbus_assert (find_subtree (tree, path1, NULL));
01560 _dbus_assert (!find_subtree (tree, path2, NULL));
01561 _dbus_assert (!find_subtree (tree, path3, NULL));
01562 _dbus_assert (!find_subtree (tree, path4, NULL));
01563 _dbus_assert (!find_subtree (tree, path5, NULL));
01564 _dbus_assert (!find_subtree (tree, path6, NULL));
01565 _dbus_assert (!find_subtree (tree, path7, NULL));
01566 _dbus_assert (!find_subtree (tree, path8, NULL));
01567
01568 _dbus_assert (find_handler (tree, path0, &exact_match) && exact_match);
01569 _dbus_assert (find_handler (tree, path1, &exact_match) && exact_match);
01570 _dbus_assert (find_handler (tree, path2, &exact_match) && !exact_match);
01571 _dbus_assert (find_handler (tree, path3, &exact_match) && !exact_match);
01572 _dbus_assert (find_handler (tree, path4, &exact_match) && !exact_match);
01573 _dbus_assert (find_handler (tree, path5, &exact_match) == tree->root && !exact_match);
01574 _dbus_assert (find_handler (tree, path6, &exact_match) == tree->root && !exact_match);
01575 _dbus_assert (find_handler (tree, path7, &exact_match) == tree->root && !exact_match);
01576 _dbus_assert (find_handler (tree, path8, &exact_match) == tree->root && !exact_match);
01577
01578 if (!do_register (tree, path2, TRUE, 2, tree_test_data))
01579 goto out;
01580
01581 _dbus_assert (find_subtree (tree, path1, NULL));
01582 _dbus_assert (find_subtree (tree, path2, NULL));
01583 _dbus_assert (!find_subtree (tree, path3, NULL));
01584 _dbus_assert (!find_subtree (tree, path4, NULL));
01585 _dbus_assert (!find_subtree (tree, path5, NULL));
01586 _dbus_assert (!find_subtree (tree, path6, NULL));
01587 _dbus_assert (!find_subtree (tree, path7, NULL));
01588 _dbus_assert (!find_subtree (tree, path8, NULL));
01589
01590 if (!do_register (tree, path3, TRUE, 3, tree_test_data))
01591 goto out;
01592
01593 _dbus_assert (find_subtree (tree, path0, NULL));
01594 _dbus_assert (find_subtree (tree, path1, NULL));
01595 _dbus_assert (find_subtree (tree, path2, NULL));
01596 _dbus_assert (find_subtree (tree, path3, NULL));
01597 _dbus_assert (!find_subtree (tree, path4, NULL));
01598 _dbus_assert (!find_subtree (tree, path5, NULL));
01599 _dbus_assert (!find_subtree (tree, path6, NULL));
01600 _dbus_assert (!find_subtree (tree, path7, NULL));
01601 _dbus_assert (!find_subtree (tree, path8, NULL));
01602
01603 if (!do_register (tree, path4, TRUE, 4, tree_test_data))
01604 goto out;
01605
01606 _dbus_assert (find_subtree (tree, path0, NULL));
01607 _dbus_assert (find_subtree (tree, path1, NULL));
01608 _dbus_assert (find_subtree (tree, path2, NULL));
01609 _dbus_assert (find_subtree (tree, path3, NULL));
01610 _dbus_assert (find_subtree (tree, path4, NULL));
01611 _dbus_assert (!find_subtree (tree, path5, NULL));
01612 _dbus_assert (!find_subtree (tree, path6, NULL));
01613 _dbus_assert (!find_subtree (tree, path7, NULL));
01614 _dbus_assert (!find_subtree (tree, path8, NULL));
01615
01616 if (!do_register (tree, path5, TRUE, 5, tree_test_data))
01617 goto out;
01618
01619 _dbus_assert (find_subtree (tree, path0, NULL));
01620 _dbus_assert (find_subtree (tree, path1, NULL));
01621 _dbus_assert (find_subtree (tree, path2, NULL));
01622 _dbus_assert (find_subtree (tree, path3, NULL));
01623 _dbus_assert (find_subtree (tree, path4, NULL));
01624 _dbus_assert (find_subtree (tree, path5, NULL));
01625 _dbus_assert (!find_subtree (tree, path6, NULL));
01626 _dbus_assert (!find_subtree (tree, path7, NULL));
01627 _dbus_assert (!find_subtree (tree, path8, NULL));
01628
01629 _dbus_assert (find_handler (tree, path0, &exact_match) == tree->root && exact_match);
01630 _dbus_assert (find_handler (tree, path1, &exact_match) != tree->root && exact_match);
01631 _dbus_assert (find_handler (tree, path2, &exact_match) != tree->root && exact_match);
01632 _dbus_assert (find_handler (tree, path3, &exact_match) != tree->root && exact_match);
01633 _dbus_assert (find_handler (tree, path4, &exact_match) != tree->root && exact_match);
01634 _dbus_assert (find_handler (tree, path5, &exact_match) != tree->root && exact_match);
01635 _dbus_assert (find_handler (tree, path6, &exact_match) != tree->root && !exact_match);
01636 _dbus_assert (find_handler (tree, path7, &exact_match) != tree->root && !exact_match);
01637 _dbus_assert (find_handler (tree, path8, &exact_match) == tree->root && !exact_match);
01638
01639 if (!do_register (tree, path6, TRUE, 6, tree_test_data))
01640 goto out;
01641
01642 _dbus_assert (find_subtree (tree, path0, NULL));
01643 _dbus_assert (find_subtree (tree, path1, NULL));
01644 _dbus_assert (find_subtree (tree, path2, NULL));
01645 _dbus_assert (find_subtree (tree, path3, NULL));
01646 _dbus_assert (find_subtree (tree, path4, NULL));
01647 _dbus_assert (find_subtree (tree, path5, NULL));
01648 _dbus_assert (find_subtree (tree, path6, NULL));
01649 _dbus_assert (!find_subtree (tree, path7, NULL));
01650 _dbus_assert (!find_subtree (tree, path8, NULL));
01651
01652 if (!do_register (tree, path7, TRUE, 7, tree_test_data))
01653 goto out;
01654
01655 _dbus_assert (find_subtree (tree, path0, NULL));
01656 _dbus_assert (find_subtree (tree, path1, NULL));
01657 _dbus_assert (find_subtree (tree, path2, NULL));
01658 _dbus_assert (find_subtree (tree, path3, NULL));
01659 _dbus_assert (find_subtree (tree, path4, NULL));
01660 _dbus_assert (find_subtree (tree, path5, NULL));
01661 _dbus_assert (find_subtree (tree, path6, NULL));
01662 _dbus_assert (find_subtree (tree, path7, NULL));
01663 _dbus_assert (!find_subtree (tree, path8, NULL));
01664
01665 if (!do_register (tree, path8, TRUE, 8, tree_test_data))
01666 goto out;
01667
01668 _dbus_assert (find_subtree (tree, path0, NULL));
01669 _dbus_assert (find_subtree (tree, path1, NULL));
01670 _dbus_assert (find_subtree (tree, path2, NULL));
01671 _dbus_assert (find_subtree (tree, path3, NULL));
01672 _dbus_assert (find_subtree (tree, path4, NULL));
01673 _dbus_assert (find_subtree (tree, path5, NULL));
01674 _dbus_assert (find_subtree (tree, path6, NULL));
01675 _dbus_assert (find_subtree (tree, path7, NULL));
01676 _dbus_assert (find_subtree (tree, path8, NULL));
01677
01678 _dbus_assert (find_handler (tree, path0, &exact_match) == tree->root && exact_match);
01679 _dbus_assert (find_handler (tree, path1, &exact_match) != tree->root && exact_match);
01680 _dbus_assert (find_handler (tree, path2, &exact_match) != tree->root && exact_match);
01681 _dbus_assert (find_handler (tree, path3, &exact_match) != tree->root && exact_match);
01682 _dbus_assert (find_handler (tree, path4, &exact_match) != tree->root && exact_match);
01683 _dbus_assert (find_handler (tree, path5, &exact_match) != tree->root && exact_match);
01684 _dbus_assert (find_handler (tree, path6, &exact_match) != tree->root && exact_match);
01685 _dbus_assert (find_handler (tree, path7, &exact_match) != tree->root && exact_match);
01686 _dbus_assert (find_handler (tree, path8, &exact_match) != tree->root && exact_match);
01687
01688
01689
01690 {
01691 const char *root[] = { NULL };
01692 char **child_entries;
01693 int nb;
01694
01695 _dbus_object_tree_list_registered_unlocked (tree, path1, &child_entries);
01696 if (child_entries != NULL)
01697 {
01698 nb = string_array_length ((const char**)child_entries);
01699 _dbus_assert (nb == 1);
01700 dbus_free_string_array (child_entries);
01701 }
01702
01703 _dbus_object_tree_list_registered_unlocked (tree, path2, &child_entries);
01704 if (child_entries != NULL)
01705 {
01706 nb = string_array_length ((const char**)child_entries);
01707 _dbus_assert (nb == 2);
01708 dbus_free_string_array (child_entries);
01709 }
01710
01711 _dbus_object_tree_list_registered_unlocked (tree, path8, &child_entries);
01712 if (child_entries != NULL)
01713 {
01714 nb = string_array_length ((const char**)child_entries);
01715 _dbus_assert (nb == 0);
01716 dbus_free_string_array (child_entries);
01717 }
01718
01719 _dbus_object_tree_list_registered_unlocked (tree, root, &child_entries);
01720 if (child_entries != NULL)
01721 {
01722 nb = string_array_length ((const char**)child_entries);
01723 _dbus_assert (nb == 3);
01724 dbus_free_string_array (child_entries);
01725 }
01726 }
01727
01728
01729 _dbus_object_tree_unref (tree);
01730
01731 i = 0;
01732 while (i < (int) _DBUS_N_ELEMENTS (tree_test_data))
01733 {
01734 _dbus_assert (tree_test_data[i].handler_unregistered);
01735 _dbus_assert (!tree_test_data[i].message_handled);
01736 ++i;
01737 }
01738
01739
01740 tree = _dbus_object_tree_new (NULL);
01741 if (tree == NULL)
01742 goto out;
01743
01744 if (!do_register (tree, path0, TRUE, 0, tree_test_data))
01745 goto out;
01746 if (!do_register (tree, path1, TRUE, 1, tree_test_data))
01747 goto out;
01748 if (!do_register (tree, path2, TRUE, 2, tree_test_data))
01749 goto out;
01750 if (!do_register (tree, path3, TRUE, 3, tree_test_data))
01751 goto out;
01752 if (!do_register (tree, path4, TRUE, 4, tree_test_data))
01753 goto out;
01754 if (!do_register (tree, path5, TRUE, 5, tree_test_data))
01755 goto out;
01756 if (!do_register (tree, path6, TRUE, 6, tree_test_data))
01757 goto out;
01758 if (!do_register (tree, path7, TRUE, 7, tree_test_data))
01759 goto out;
01760 if (!do_register (tree, path8, TRUE, 8, tree_test_data))
01761 goto out;
01762
01763 _dbus_object_tree_unregister_and_unlock (tree, path0);
01764 _dbus_assert (_dbus_object_tree_get_user_data_unlocked (tree, path0) == NULL);
01765
01766 _dbus_assert (!find_subtree (tree, path0, NULL));
01767 _dbus_assert (find_subtree (tree, path1, NULL));
01768 _dbus_assert (find_subtree (tree, path2, NULL));
01769 _dbus_assert (find_subtree (tree, path3, NULL));
01770 _dbus_assert (find_subtree (tree, path4, NULL));
01771 _dbus_assert (find_subtree (tree, path5, NULL));
01772 _dbus_assert (find_subtree (tree, path6, NULL));
01773 _dbus_assert (find_subtree (tree, path7, NULL));
01774 _dbus_assert (find_subtree (tree, path8, NULL));
01775
01776 _dbus_object_tree_unregister_and_unlock (tree, path1);
01777 _dbus_assert (_dbus_object_tree_get_user_data_unlocked (tree, path1) == NULL);
01778
01779 _dbus_assert (!find_subtree (tree, path0, NULL));
01780 _dbus_assert (!find_subtree (tree, path1, NULL));
01781 _dbus_assert (find_subtree (tree, path2, NULL));
01782 _dbus_assert (find_subtree (tree, path3, NULL));
01783 _dbus_assert (find_subtree (tree, path4, NULL));
01784 _dbus_assert (find_subtree (tree, path5, NULL));
01785 _dbus_assert (find_subtree (tree, path6, NULL));
01786 _dbus_assert (find_subtree (tree, path7, NULL));
01787 _dbus_assert (find_subtree (tree, path8, NULL));
01788
01789 _dbus_object_tree_unregister_and_unlock (tree, path2);
01790 _dbus_assert (_dbus_object_tree_get_user_data_unlocked (tree, path2) == NULL);
01791
01792 _dbus_assert (!find_subtree (tree, path0, NULL));
01793 _dbus_assert (!find_subtree (tree, path1, NULL));
01794 _dbus_assert (!find_subtree (tree, path2, NULL));
01795 _dbus_assert (find_subtree (tree, path3, NULL));
01796 _dbus_assert (find_subtree (tree, path4, NULL));
01797 _dbus_assert (find_subtree (tree, path5, NULL));
01798 _dbus_assert (find_subtree (tree, path6, NULL));
01799 _dbus_assert (find_subtree (tree, path7, NULL));
01800 _dbus_assert (find_subtree (tree, path8, NULL));
01801
01802 _dbus_object_tree_unregister_and_unlock (tree, path3);
01803 _dbus_assert (_dbus_object_tree_get_user_data_unlocked (tree, path3) == NULL);
01804
01805 _dbus_assert (!find_subtree (tree, path0, NULL));
01806 _dbus_assert (!find_subtree (tree, path1, NULL));
01807 _dbus_assert (!find_subtree (tree, path2, NULL));
01808 _dbus_assert (!find_subtree (tree, path3, NULL));
01809 _dbus_assert (find_subtree (tree, path4, NULL));
01810 _dbus_assert (find_subtree (tree, path5, NULL));
01811 _dbus_assert (find_subtree (tree, path6, NULL));
01812 _dbus_assert (find_subtree (tree, path7, NULL));
01813 _dbus_assert (find_subtree (tree, path8, NULL));
01814
01815 _dbus_object_tree_unregister_and_unlock (tree, path4);
01816 _dbus_assert (_dbus_object_tree_get_user_data_unlocked (tree, path4) == NULL);
01817
01818 _dbus_assert (!find_subtree (tree, path0, NULL));
01819 _dbus_assert (!find_subtree (tree, path1, NULL));
01820 _dbus_assert (!find_subtree (tree, path2, NULL));
01821 _dbus_assert (!find_subtree (tree, path3, NULL));
01822 _dbus_assert (!find_subtree (tree, path4, NULL));
01823 _dbus_assert (find_subtree (tree, path5, NULL));
01824 _dbus_assert (find_subtree (tree, path6, NULL));
01825 _dbus_assert (find_subtree (tree, path7, NULL));
01826 _dbus_assert (find_subtree (tree, path8, NULL));
01827
01828 _dbus_object_tree_unregister_and_unlock (tree, path5);
01829 _dbus_assert (_dbus_object_tree_get_user_data_unlocked (tree, path5) == NULL);
01830
01831 _dbus_assert (!find_subtree (tree, path0, NULL));
01832 _dbus_assert (!find_subtree (tree, path1, NULL));
01833 _dbus_assert (!find_subtree (tree, path2, NULL));
01834 _dbus_assert (!find_subtree (tree, path3, NULL));
01835 _dbus_assert (!find_subtree (tree, path4, NULL));
01836 _dbus_assert (!find_subtree (tree, path5, NULL));
01837 _dbus_assert (find_subtree (tree, path6, NULL));
01838 _dbus_assert (find_subtree (tree, path7, NULL));
01839 _dbus_assert (find_subtree (tree, path8, NULL));
01840
01841 _dbus_object_tree_unregister_and_unlock (tree, path6);
01842 _dbus_assert (_dbus_object_tree_get_user_data_unlocked (tree, path6) == NULL);
01843
01844 _dbus_assert (!find_subtree (tree, path0, NULL));
01845 _dbus_assert (!find_subtree (tree, path1, NULL));
01846 _dbus_assert (!find_subtree (tree, path2, NULL));
01847 _dbus_assert (!find_subtree (tree, path3, NULL));
01848 _dbus_assert (!find_subtree (tree, path4, NULL));
01849 _dbus_assert (!find_subtree (tree, path5, NULL));
01850 _dbus_assert (!find_subtree (tree, path6, NULL));
01851 _dbus_assert (find_subtree (tree, path7, NULL));
01852 _dbus_assert (find_subtree (tree, path8, NULL));
01853
01854 _dbus_object_tree_unregister_and_unlock (tree, path7);
01855 _dbus_assert (_dbus_object_tree_get_user_data_unlocked (tree, path7) == NULL);
01856
01857 _dbus_assert (!find_subtree (tree, path0, NULL));
01858 _dbus_assert (!find_subtree (tree, path1, NULL));
01859 _dbus_assert (!find_subtree (tree, path2, NULL));
01860 _dbus_assert (!find_subtree (tree, path3, NULL));
01861 _dbus_assert (!find_subtree (tree, path4, NULL));
01862 _dbus_assert (!find_subtree (tree, path5, NULL));
01863 _dbus_assert (!find_subtree (tree, path6, NULL));
01864 _dbus_assert (!find_subtree (tree, path7, NULL));
01865 _dbus_assert (find_subtree (tree, path8, NULL));
01866
01867 _dbus_object_tree_unregister_and_unlock (tree, path8);
01868 _dbus_assert (_dbus_object_tree_get_user_data_unlocked (tree, path8) == NULL);
01869
01870 _dbus_assert (!find_subtree (tree, path0, NULL));
01871 _dbus_assert (!find_subtree (tree, path1, NULL));
01872 _dbus_assert (!find_subtree (tree, path2, NULL));
01873 _dbus_assert (!find_subtree (tree, path3, NULL));
01874 _dbus_assert (!find_subtree (tree, path4, NULL));
01875 _dbus_assert (!find_subtree (tree, path5, NULL));
01876 _dbus_assert (!find_subtree (tree, path6, NULL));
01877 _dbus_assert (!find_subtree (tree, path7, NULL));
01878 _dbus_assert (!find_subtree (tree, path8, NULL));
01879
01880 i = 0;
01881 while (i < (int) _DBUS_N_ELEMENTS (tree_test_data))
01882 {
01883 _dbus_assert (tree_test_data[i].handler_unregistered);
01884 _dbus_assert (!tree_test_data[i].message_handled);
01885 ++i;
01886 }
01887
01888
01889
01890 if (!do_register (tree, path0, TRUE, 0, tree_test_data))
01891 goto out;
01892 if (!do_register (tree, path1, FALSE, 1, tree_test_data))
01893 goto out;
01894 if (!do_register (tree, path2, TRUE, 2, tree_test_data))
01895 goto out;
01896 if (!do_register (tree, path3, TRUE, 3, tree_test_data))
01897 goto out;
01898 if (!do_register (tree, path4, TRUE, 4, tree_test_data))
01899 goto out;
01900 if (!do_register (tree, path5, TRUE, 5, tree_test_data))
01901 goto out;
01902 if (!do_register (tree, path6, FALSE, 6, tree_test_data))
01903 goto out;
01904 if (!do_register (tree, path7, TRUE, 7, tree_test_data))
01905 goto out;
01906 if (!do_register (tree, path8, TRUE, 8, tree_test_data))
01907 goto out;
01908
01909 #if 0
01910 spew_tree (tree);
01911 #endif
01912
01913 if (!do_test_dispatch (tree, path0, 0, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
01914 goto out;
01915 if (!do_test_dispatch (tree, path1, 1, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
01916 goto out;
01917 if (!do_test_dispatch (tree, path2, 2, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
01918 goto out;
01919 if (!do_test_dispatch (tree, path3, 3, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
01920 goto out;
01921 if (!do_test_dispatch (tree, path4, 4, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
01922 goto out;
01923 if (!do_test_dispatch (tree, path5, 5, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
01924 goto out;
01925 if (!do_test_dispatch (tree, path6, 6, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
01926 goto out;
01927 if (!do_test_dispatch (tree, path7, 7, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
01928 goto out;
01929 if (!do_test_dispatch (tree, path8, 8, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
01930 goto out;
01931
01932 out:
01933 if (tree)
01934 {
01935
01936 _dbus_object_tree_ref (tree);
01937 _dbus_object_tree_unref (tree);
01938 _dbus_object_tree_unref (tree);
01939 }
01940
01941 return TRUE;
01942 }
01943
01949 dbus_bool_t
01950 _dbus_object_tree_test (void)
01951 {
01952 _dbus_test_oom_handling ("object tree",
01953 object_tree_test_iteration,
01954 NULL);
01955
01956 return TRUE;
01957 }
01958
01959 #endif
01960
01961 #endif