gio/tests/gdbus-connection.c

   1 /* GLib testing framework examples and tests
   2  *
   3  * Copyright (C) 2008-2010 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Author: David Zeuthen <davidz@redhat.com>
  21  */
  22
  23 #include <gio/gio.h>
  24 #include <unistd.h>
  25 #include <string.h>
  26
  27 #include <sys/types.h>
  28 #include <sys/wait.h>
  29
  30 #include "gdbus-tests.h"
  31
  32 /* all tests rely on a shared mainloop */
  33 static GMainLoop *loop = NULL;
  34
  35 #if 0
  36 G_GNUC_UNUSED static void
  37 _log (const gchar *format, ...)
  38 {
  39   GTimeVal now;
  40   time_t now_time;
  41   struct tm *now_tm;
  42   gchar time_buf[128];
  43   gchar *str;
  44   va_list var_args;
  45
  46   va_start (var_args, format);
  47   str = g_strdup_vprintf (format, var_args);
  48   va_end (var_args);
  49
  50   g_get_current_time (&now);
  51   now_time = (time_t) now.tv_sec;
  52   now_tm = localtime (&now_time);
  53   strftime (time_buf, sizeof time_buf, "%H:%M:%S", now_tm);
  54
  55   g_print ("%s.%06d: %s\n",
  56            time_buf, (gint) now.tv_usec / 1000,
  57            str);
  58   g_free (str);
  59 }
  60 #else
  61 #define _log(...)
  62 #endif
  63
  64 static gboolean
  65 test_connection_quit_mainloop (gpointer user_data)
  66 {
  67   volatile gboolean *quit_mainloop_fired = user_data;
  68   _log ("quit_mainloop_fired");
  69   *quit_mainloop_fired = TRUE;
  70   g_main_loop_quit (loop);
  71   return TRUE;
  72 }
  73
  74 /* ---------------------------------------------------------------------------------------------------- */
  75 /* Connection life-cycle testing */
  76 /* ---------------------------------------------------------------------------------------------------- */
  77
  78 static const GDBusInterfaceInfo boo_interface_info =
  79 {
  80   -1,
  81   "org.example.Boo",
  82   (GDBusMethodInfo **) NULL,
  83   (GDBusSignalInfo **) NULL,
  84   (GDBusPropertyInfo **) NULL,
  85   NULL,
  86 };
  87
  88 static const GDBusInterfaceVTable boo_vtable =
  89 {
  90   NULL, /* _method_call */
  91   NULL, /* _get_property */
  92   NULL  /* _set_property */
  93 };
  94
  95 static GDBusMessage *
  96 some_filter_func (GDBusConnection *connection,
  97                   GDBusMessage    *message,
  98                   gboolean         incoming,
  99                   gpointer         user_data)
 100 {
 101   return message;
 102 }
 103
 104 static void
 105 on_name_owner_changed (GDBusConnection *connection,
 106                        const gchar     *sender_name,
 107                        const gchar     *object_path,
 108                        const gchar     *interface_name,
 109                        const gchar     *signal_name,
 110                        GVariant        *parameters,
 111                        gpointer         user_data)
 112 {
 113 }
 114
 115 static void
 116 a_gdestroynotify_that_sets_a_gboolean_to_true_and_quits_loop (gpointer user_data)
 117 {
 118   volatile gboolean *val = user_data;
 119   *val = TRUE;
 120   _log ("destroynotify fired for %p", val);
 121   g_main_loop_quit (loop);
 122 }
 123
 124 static void
 125 test_connection_life_cycle (void)
 126 {
 127   gboolean ret;
 128   GDBusConnection *c;
 129   GDBusConnection *c2;
 130   GError *error;
 131   volatile gboolean on_signal_registration_freed_called;
 132   volatile gboolean on_filter_freed_called;
 133   volatile gboolean on_register_object_freed_called;
 134   volatile gboolean quit_mainloop_fired;
 135   guint quit_mainloop_id;
 136   guint registration_id;
 137
 138   error = NULL;
 139
 140   /*
 141    * Check for correct behavior when no bus is present
 142    *
 143    */
 144   c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
 145   _g_assert_error_domain (error, G_IO_ERROR);
 146   g_assert (!g_dbus_error_is_remote_error (error));
 147   g_assert (c == NULL);
 148   g_error_free (error);
 149
 150   /*
 151    *  Check for correct behavior when a bus is present
 152    */
 153   session_bus_up ();
 154   /* case 1 */
 155   error = NULL;
 156   c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
 157   g_assert_no_error (error);
 158   g_assert (c != NULL);
 159   g_assert (!g_dbus_connection_is_closed (c));
 160
 161   /*
 162    * Check that singleton handling work
 163    */
 164   error = NULL;
 165   c2 = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
 166   g_assert_no_error (error);
 167   g_assert (c2 != NULL);
 168   g_assert (c == c2);
 169   g_object_unref (c2);
 170
 171   /*
 172    * Check that private connections work
 173    */
 174   c2 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, &error);
 175   g_assert_no_error (error);
 176   g_assert (c2 != NULL);
 177   g_assert (c != c2);
 178   g_object_unref (c2);
 179
 180   c2 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, &error);
 181   g_assert_no_error (error);
 182   g_assert (c2 != NULL);
 183   g_assert (!g_dbus_connection_is_closed (c2));
 184   ret = g_dbus_connection_close_sync (c2, NULL, &error);
 185   g_assert_no_error (error);
 186   g_assert (ret);
 187   _g_assert_signal_received (c2, "closed");
 188   g_assert (g_dbus_connection_is_closed (c2));
 189   ret = g_dbus_connection_close_sync (c2, NULL, &error);
 190   g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CLOSED);
 191   g_error_free (error);
 192   g_assert (!ret);
 193   g_object_unref (c2);
 194
 195   /*
 196    * Check that the finalization code works
 197    *
 198    * (and that the GDestroyNotify for filters and objects and signal
 199    * registrations are run as expected)
 200    */
 201   error = NULL;
 202   c2 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, &error);
 203   g_assert_no_error (error);
 204   g_assert (c2 != NULL);
 205   /* signal registration */
 206   on_signal_registration_freed_called = FALSE;
 207   g_dbus_connection_signal_subscribe (c2,
 208                                       "org.freedesktop.DBus", /* bus name */
 209                                       "org.freedesktop.DBus", /* interface */
 210                                       "NameOwnerChanged",     /* member */
 211                                       "/org/freesktop/DBus",  /* path */
 212                                       NULL,                   /* arg0 */
 213                                       G_DBUS_SIGNAL_FLAGS_NONE,
 214                                       on_name_owner_changed,
 215                                       (gpointer) &on_signal_registration_freed_called,
 216                                       a_gdestroynotify_that_sets_a_gboolean_to_true_and_quits_loop);
 217   /* filter func */
 218   on_filter_freed_called = FALSE;
 219   g_dbus_connection_add_filter (c2,
 220                                 some_filter_func,
 221                                 (gpointer) &on_filter_freed_called,
 222                                 a_gdestroynotify_that_sets_a_gboolean_to_true_and_quits_loop);
 223   /* object registration */
 224   on_register_object_freed_called = FALSE;
 225   error = NULL;
 226   registration_id = g_dbus_connection_register_object (c2,
 227                                                        "/foo",
 228                                                        (GDBusInterfaceInfo *) &boo_interface_info,
 229                                                        &boo_vtable,
 230                                                        (gpointer) &on_register_object_freed_called,
 231                                                        a_gdestroynotify_that_sets_a_gboolean_to_true_and_quits_loop,
 232                                                        &error);
 233   g_assert_no_error (error);
 234   g_assert (registration_id > 0);
 235   /* ok, finalize the connection and check that all the GDestroyNotify functions are invoked as expected */
 236   g_object_unref (c2);
 237   quit_mainloop_fired = FALSE;
 238   quit_mainloop_id = g_timeout_add (30000, test_connection_quit_mainloop, (gpointer) &quit_mainloop_fired);
 239   _log ("destroynotifies for\n"
 240         " register_object %p\n"
 241         " filter          %p\n"
 242         " signal          %p",
 243         &on_register_object_freed_called,
 244         &on_filter_freed_called,
 245         &on_signal_registration_freed_called);
 246   while (TRUE)
 247     {
 248       if (on_signal_registration_freed_called &&
 249           on_filter_freed_called &&
 250           on_register_object_freed_called)
 251         break;
 252       if (quit_mainloop_fired)
 253         break;
 254       _log ("entering loop");
 255       g_main_loop_run (loop);
 256       _log ("exiting loop");
 257     }
 258   g_source_remove (quit_mainloop_id);
 259   g_assert (on_signal_registration_freed_called);
 260   g_assert (on_filter_freed_called);
 261   g_assert (on_register_object_freed_called);
 262   g_assert (!quit_mainloop_fired);
 263
 264   /*
 265    *  Check for correct behavior when the bus goes away
 266    *
 267    */
 268   g_assert (!g_dbus_connection_is_closed (c));
 269   g_dbus_connection_set_exit_on_close (c, FALSE);
 270   session_bus_stop ();
 271   _g_assert_signal_received (c, "closed");
 272   g_assert (g_dbus_connection_is_closed (c));
 273   g_object_unref (c);
 274
 275   session_bus_down ();
 276 }
 277
 278 /* ---------------------------------------------------------------------------------------------------- */
 279 /* Test that sending and receiving messages work as expected */
 280 /* ---------------------------------------------------------------------------------------------------- */
 281
 282 static void
 283 msg_cb_expect_error_disconnected (GDBusConnection *connection,
 284                                   GAsyncResult    *res,
 285                                   gpointer         user_data)
 286 {
 287   GError *error;
 288   GVariant *result;
 289
 290   error = NULL;
 291   result = g_dbus_connection_call_finish (connection,
 292                                           res,
 293                                           &error);
 294   g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CLOSED);
 295   g_assert (!g_dbus_error_is_remote_error (error));
 296   g_error_free (error);
 297   g_assert (result == NULL);
 298
 299   g_main_loop_quit (loop);
 300 }
 301
 302 static void
 303 msg_cb_expect_error_unknown_method (GDBusConnection *connection,
 304                                     GAsyncResult    *res,
 305                                     gpointer         user_data)
 306 {
 307   GError *error;
 308   GVariant *result;
 309
 310   error = NULL;
 311   result = g_dbus_connection_call_finish (connection,
 312                                           res,
 313                                           &error);
 314   g_assert_error (error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD);
 315   g_assert (g_dbus_error_is_remote_error (error));
 316   g_error_free (error);
 317   g_assert (result == NULL);
 318
 319   g_main_loop_quit (loop);
 320 }
 321
 322 static void
 323 msg_cb_expect_success (GDBusConnection *connection,
 324                        GAsyncResult    *res,
 325                        gpointer         user_data)
 326 {
 327   GError *error;
 328   GVariant *result;
 329
 330   error = NULL;
 331   result = g_dbus_connection_call_finish (connection,
 332                                           res,
 333                                           &error);
 334   g_assert_no_error (error);
 335   g_assert (result != NULL);
 336   g_variant_unref (result);
 337
 338   g_main_loop_quit (loop);
 339 }
 340
 341 static void
 342 msg_cb_expect_error_cancelled (GDBusConnection *connection,
 343                                GAsyncResult    *res,
 344                                gpointer         user_data)
 345 {
 346   GError *error;
 347   GVariant *result;
 348
 349   error = NULL;
 350   result = g_dbus_connection_call_finish (connection,
 351                                           res,
 352                                           &error);
 353   g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CANCELLED);
 354   g_assert (!g_dbus_error_is_remote_error (error));
 355   g_error_free (error);
 356   g_assert (result == NULL);
 357
 358   g_main_loop_quit (loop);
 359 }
 360
 361 static void
 362 msg_cb_expect_error_cancelled_2 (GDBusConnection *connection,
 363                                  GAsyncResult    *res,
 364                                  gpointer         user_data)
 365 {
 366   GError *error;
 367   GVariant *result;
 368
 369   error = NULL;
 370   result = g_dbus_connection_call_finish (connection,
 371                                           res,
 372                                           &error);
 373   g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CANCELLED);
 374   g_assert (!g_dbus_error_is_remote_error (error));
 375   g_error_free (error);
 376   g_assert (result == NULL);
 377
 378   g_main_loop_quit (loop);
 379 }
 380
 381 /* ---------------------------------------------------------------------------------------------------- */
 382
 383 static void
 384 test_connection_send (void)
 385 {
 386   GDBusConnection *c;
 387   GCancellable *ca;
 388
 389   session_bus_up ();
 390
 391   /* First, get an unopened connection */
 392   c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
 393   g_assert (c != NULL);
 394   g_assert (!g_dbus_connection_is_closed (c));
 395
 396   /*
 397    * Check that we never actually send a message if the GCancellable
 398    * is already cancelled - i.e.  we should get #G_IO_ERROR_CANCELLED
 399    * when the actual connection is not up.
 400    */
 401   ca = g_cancellable_new ();
 402   g_cancellable_cancel (ca);
 403   g_dbus_connection_call (c,
 404                           "org.freedesktop.DBus",  /* bus_name */
 405                           "/org/freedesktop/DBus", /* object path */
 406                           "org.freedesktop.DBus",  /* interface name */
 407                           "GetId",                 /* method name */
 408                           NULL, NULL,
 409                           G_DBUS_CALL_FLAGS_NONE,
 410                           -1,
 411                           ca,
 412                           (GAsyncReadyCallback) msg_cb_expect_error_cancelled,
 413                           NULL);
 414   g_main_loop_run (loop);
 415   g_object_unref (ca);
 416
 417   /*
 418    * Check that we get a reply to the GetId() method call.
 419    */
 420   g_dbus_connection_call (c,
 421                           "org.freedesktop.DBus",  /* bus_name */
 422                           "/org/freedesktop/DBus", /* object path */
 423                           "org.freedesktop.DBus",  /* interface name */
 424                           "GetId",                 /* method name */
 425                           NULL, NULL,
 426                           G_DBUS_CALL_FLAGS_NONE,
 427                           -1,
 428                           NULL,
 429                           (GAsyncReadyCallback) msg_cb_expect_success,
 430                           NULL);
 431   g_main_loop_run (loop);
 432
 433   /*
 434    * Check that we get an error reply to the NonExistantMethod() method call.
 435    */
 436   g_dbus_connection_call (c,
 437                           "org.freedesktop.DBus",  /* bus_name */
 438                           "/org/freedesktop/DBus", /* object path */
 439                           "org.freedesktop.DBus",  /* interface name */
 440                           "NonExistantMethod",     /* method name */
 441                           NULL, NULL,
 442                           G_DBUS_CALL_FLAGS_NONE,
 443                           -1,
 444                           NULL,
 445                           (GAsyncReadyCallback) msg_cb_expect_error_unknown_method,
 446                           NULL);
 447   g_main_loop_run (loop);
 448
 449   /*
 450    * Check that cancellation works when the message is already in flight.
 451    */
 452   ca = g_cancellable_new ();
 453   g_dbus_connection_call (c,
 454                           "org.freedesktop.DBus",  /* bus_name */
 455                           "/org/freedesktop/DBus", /* object path */
 456                           "org.freedesktop.DBus",  /* interface name */
 457                           "GetId",                 /* method name */
 458                           NULL, NULL,
 459                           G_DBUS_CALL_FLAGS_NONE,
 460                           -1,
 461                           ca,
 462                           (GAsyncReadyCallback) msg_cb_expect_error_cancelled_2,
 463                           NULL);
 464   g_cancellable_cancel (ca);
 465   g_main_loop_run (loop);
 466   g_object_unref (ca);
 467
 468   /*
 469    * Check that we get an error when sending to a connection that is disconnected.
 470    */
 471   g_dbus_connection_set_exit_on_close (c, FALSE);
 472   session_bus_stop ();
 473   _g_assert_signal_received (c, "closed");
 474   g_assert (g_dbus_connection_is_closed (c));
 475
 476   g_dbus_connection_call (c,
 477                           "org.freedesktop.DBus",  /* bus_name */
 478                           "/org/freedesktop/DBus", /* object path */
 479                           "org.freedesktop.DBus",  /* interface name */
 480                           "GetId",                 /* method name */
 481                           NULL, NULL,
 482                           G_DBUS_CALL_FLAGS_NONE,
 483                           -1,
 484                           NULL,
 485                           (GAsyncReadyCallback) msg_cb_expect_error_disconnected,
 486                           NULL);
 487   g_main_loop_run (loop);
 488
 489   g_object_unref (c);
 490
 491   session_bus_down ();
 492 }
 493
 494 /* ---------------------------------------------------------------------------------------------------- */
 495 /* Connection signal tests */
 496 /* ---------------------------------------------------------------------------------------------------- */
 497
 498 static void
 499 test_connection_signal_handler (GDBusConnection  *connection,
 500                                 const gchar      *sender_name,
 501                                 const gchar      *object_path,
 502                                 const gchar      *interface_name,
 503                                 const gchar      *signal_name,
 504                                 GVariant         *parameters,
 505                                 gpointer         user_data)
 506 {
 507   gint *counter = user_data;
 508   *counter += 1;
 509
 510   /*g_debug ("in test_connection_signal_handler (sender=%s path=%s interface=%s member=%s)",
 511            sender_name,
 512            object_path,
 513            interface_name,
 514            signal_name);*/
 515
 516   g_main_loop_quit (loop);
 517 }
 518
 519 static void
 520 test_connection_signals (void)
 521 {
 522   GDBusConnection *c1;
 523   GDBusConnection *c2;
 524   GDBusConnection *c3;
 525   guint s1;
 526   guint s1b;
 527   guint s2;
 528   guint s3;
 529   gint count_s1;
 530   gint count_s1b;
 531   gint count_s2;
 532   gint count_name_owner_changed;
 533   GError *error;
 534   gboolean ret;
 535   GVariant *result;
 536   gboolean quit_mainloop_fired;
 537   guint quit_mainloop_id;
 538
 539   error = NULL;
 540
 541   /*
 542    * Bring up first separate connections
 543    */
 544   session_bus_up ();
 545   /* if running with dbus-monitor, it claims the name :1.0 - so if we don't run with the monitor
 546    * emulate this
 547    */
 548   if (g_getenv ("G_DBUS_MONITOR") == NULL)
 549     {
 550       c1 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, NULL);
 551       g_assert (c1 != NULL);
 552       g_assert (!g_dbus_connection_is_closed (c1));
 553       g_object_unref (c1);
 554     }
 555   c1 = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
 556   g_assert (c1 != NULL);
 557   g_assert (!g_dbus_connection_is_closed (c1));
 558   g_assert_cmpstr (g_dbus_connection_get_unique_name (c1), ==, ":1.1");
 559
 560   /*
 561    * Install two signal handlers for the first connection
 562    *
 563    *  - Listen to the signal "Foo" from :1.2 (e.g. c2)
 564    *  - Listen to the signal "Foo" from anyone (e.g. both c2 and c3)
 565    *
 566    * and then count how many times this signal handler was invoked.
 567    */
 568   s1 = g_dbus_connection_signal_subscribe (c1,
 569                                            ":1.2",
 570                                            "org.gtk.GDBus.ExampleInterface",
 571                                            "Foo",
 572                                            "/org/gtk/GDBus/ExampleInterface",
 573                                            NULL,
 574                                            G_DBUS_SIGNAL_FLAGS_NONE,
 575                                            test_connection_signal_handler,
 576                                            &count_s1,
 577                                            NULL);
 578   s2 = g_dbus_connection_signal_subscribe (c1,
 579                                            NULL, /* match any sender */
 580                                            "org.gtk.GDBus.ExampleInterface",
 581                                            "Foo",
 582                                            "/org/gtk/GDBus/ExampleInterface",
 583                                            NULL,
 584                                            G_DBUS_SIGNAL_FLAGS_NONE,
 585                                            test_connection_signal_handler,
 586                                            &count_s2,
 587                                            NULL);
 588   s3 = g_dbus_connection_signal_subscribe (c1,
 589                                            "org.freedesktop.DBus",  /* sender */
 590                                            "org.freedesktop.DBus",  /* interface */
 591                                            "NameOwnerChanged",      /* member */
 592                                            "/org/freedesktop/DBus", /* path */
 593                                            NULL,
 594                                            G_DBUS_SIGNAL_FLAGS_NONE,
 595                                            test_connection_signal_handler,
 596                                            &count_name_owner_changed,
 597                                            NULL);
 598   /* Note that s1b is *just like* s1 - this is to catch a bug where N
 599    * subscriptions of the same rule causes N calls to each of the N
 600    * subscriptions instead of just 1 call to each of the N subscriptions.
 601    */
 602   s1b = g_dbus_connection_signal_subscribe (c1,
 603                                             ":1.2",
 604                                             "org.gtk.GDBus.ExampleInterface",
 605                                             "Foo",
 606                                             "/org/gtk/GDBus/ExampleInterface",
 607                                             NULL,
 608                                             G_DBUS_SIGNAL_FLAGS_NONE,
 609                                             test_connection_signal_handler,
 610                                             &count_s1b,
 611                                             NULL);
 612   g_assert (s1 != 0);
 613   g_assert (s1b != 0);
 614   g_assert (s2 != 0);
 615   g_assert (s3 != 0);
 616
 617   count_s1 = 0;
 618   count_s1b = 0;
 619   count_s2 = 0;
 620   count_name_owner_changed = 0;
 621
 622   /*
 623    * Bring up two other connections
 624    */
 625   c2 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, NULL);
 626   g_assert (c2 != NULL);
 627   g_assert (!g_dbus_connection_is_closed (c2));
 628   g_assert_cmpstr (g_dbus_connection_get_unique_name (c2), ==, ":1.2");
 629   c3 = _g_bus_get_priv (G_BUS_TYPE_SESSION, NULL, NULL);
 630   g_assert (c3 != NULL);
 631   g_assert (!g_dbus_connection_is_closed (c3));
 632   g_assert_cmpstr (g_dbus_connection_get_unique_name (c3), ==, ":1.3");
 633
 634   /*
 635    * Make c2 emit "Foo" - we should catch it twice
 636    *
 637    * Note that there is no way to be sure that the signal subscriptions
 638    * on c1 are effective yet - for all we know, the AddMatch() messages
 639    * could sit waiting in a buffer somewhere between this process and
 640    * the message bus. And emitting signals on c2 (a completely other
 641    * socket!) will not necessarily change this.
 642    *
 643    * To ensure this is not the case, do a synchronous call on c1.
 644    */
 645   result = g_dbus_connection_call_sync (c1,
 646                                         "org.freedesktop.DBus",  /* bus name */
 647                                         "/org/freedesktop/DBus", /* object path */
 648                                         "org.freedesktop.DBus",  /* interface name */
 649                                         "GetId",                 /* method name */
 650                                         NULL,                    /* parameters */
 651                                         NULL,                    /* return type */
 652                                         G_DBUS_CALL_FLAGS_NONE,
 653                                         -1,
 654                                         NULL,
 655                                         &error);
 656   g_assert_no_error (error);
 657   g_assert (result != NULL);
 658   g_variant_unref (result);
 659   /* now, emit the signal on c2 */
 660   ret = g_dbus_connection_emit_signal (c2,
 661                                        NULL, /* destination bus name */
 662                                        "/org/gtk/GDBus/ExampleInterface",
 663                                        "org.gtk.GDBus.ExampleInterface",
 664                                        "Foo",
 665                                        NULL,
 666                                        &error);
 667   g_assert_no_error (error);
 668   g_assert (ret);
 669   while (!(count_s1 >= 1 && count_s2 >= 1))
 670     g_main_loop_run (loop);
 671   g_assert_cmpint (count_s1, ==, 1);
 672   g_assert_cmpint (count_s2, ==, 1);
 673
 674   /*
 675    * Make c3 emit "Foo" - we should catch it only once
 676    */
 677   ret = g_dbus_connection_emit_signal (c3,
 678                                        NULL, /* destination bus name */
 679                                        "/org/gtk/GDBus/ExampleInterface",
 680                                        "org.gtk.GDBus.ExampleInterface",
 681                                        "Foo",
 682                                        NULL,
 683                                        &error);
 684   g_assert_no_error (error);
 685   g_assert (ret);
 686   while (!(count_s1 == 1 && count_s2 == 2))
 687     g_main_loop_run (loop);
 688   g_assert_cmpint (count_s1, ==, 1);
 689   g_assert_cmpint (count_s2, ==, 2);
 690
 691   /*
 692    * Also to check the total amount of NameOwnerChanged signals - use a 5 second ceiling
 693    * to avoid spinning forever
 694    */
 695   quit_mainloop_fired = FALSE;
 696   quit_mainloop_id = g_timeout_add (30000, test_connection_quit_mainloop, &quit_mainloop_fired);
 697   while (count_name_owner_changed < 2 && !quit_mainloop_fired)
 698     g_main_loop_run (loop);
 699   g_source_remove (quit_mainloop_id);
 700   g_assert_cmpint (count_s1, ==, 1);
 701   g_assert_cmpint (count_s2, ==, 2);
 702   g_assert_cmpint (count_name_owner_changed, ==, 2);
 703
 704   g_dbus_connection_signal_unsubscribe (c1, s1);
 705   g_dbus_connection_signal_unsubscribe (c1, s2);
 706   g_dbus_connection_signal_unsubscribe (c1, s3);
 707   g_dbus_connection_signal_unsubscribe (c1, s1b);
 708
 709   g_object_unref (c1);
 710   g_object_unref (c2);
 711   g_object_unref (c3);
 712
 713   session_bus_down ();
 714 }
 715
 716 /* ---------------------------------------------------------------------------------------------------- */
 717
 718 typedef struct
 719 {
 720   guint num_handled;
 721   guint num_outgoing;
 722   guint32 serial;
 723 } FilterData;
 724
 725 static GDBusMessage *
 726 filter_func (GDBusConnection *connection,
 727              GDBusMessage    *message,
 728              gboolean         incoming,
 729              gpointer         user_data)
 730 {
 731   FilterData *data = user_data;
 732   guint32 reply_serial;
 733
 734   if (incoming)
 735     {
 736       reply_serial = g_dbus_message_get_reply_serial (message);
 737       if (reply_serial == data->serial)
 738         data->num_handled += 1;
 739     }
 740   else
 741     {
 742       data->num_outgoing += 1;
 743     }
 744
 745   return message;
 746 }
 747
 748
 749 typedef struct
 750 {
 751   gboolean alter_incoming;
 752   gboolean alter_outgoing;
 753 } FilterEffects;
 754
 755 static GDBusMessage *
 756 other_filter_func (GDBusConnection *connection,
 757                    GDBusMessage    *message,
 758                    gboolean         incoming,
 759                    gpointer         user_data)
 760 {
 761   FilterEffects *effects = user_data;
 762   GDBusMessage *ret;
 763   gboolean alter;
 764
 765   if (incoming)
 766     alter = effects->alter_incoming;
 767   else
 768     alter = effects->alter_outgoing;
 769
 770   if (alter)
 771     {
 772       GDBusMessage *copy;
 773       GVariant *body;
 774       gchar *s;
 775       gchar *s2;
 776
 777       copy = g_dbus_message_copy (message, NULL);
 778       g_object_unref (message);
 779
 780       body = g_dbus_message_get_body (copy);
 781       g_variant_get (body, "(s)", &s);
 782       s2 = g_strdup_printf ("MOD: %s", s);
 783       g_dbus_message_set_body (copy, g_variant_new ("(s)", s2));
 784       g_free (s2);
 785       g_free (s);
 786
 787       ret = copy;
 788     }
 789   else
 790     {
 791       ret = message;
 792     }
 793
 794   return ret;
 795 }
 796
 797 static void
 798 test_connection_filter_name_owner_changed_signal_handler (GDBusConnection  *connection,
 799                                                           const gchar      *sender_name,
 800                                                           const gchar      *object_path,
 801                                                           const gchar      *interface_name,
 802                                                           const gchar      *signal_name,
 803                                                           GVariant         *parameters,
 804                                                           gpointer         user_data)
 805 {
 806   const gchar *name;
 807   const gchar *old_owner;
 808   const gchar *new_owner;
 809
 810   g_variant_get (parameters,
 811                  "(&s&s&s)",
 812                  &name,
 813                  &old_owner,
 814                  &new_owner);
 815
 816   if (g_strcmp0 (name, "com.example.TestService") == 0 && strlen (new_owner) > 0)
 817     {
 818       g_main_loop_quit (loop);
 819     }
 820 }
 821
 822 static gboolean
 823 test_connection_filter_on_timeout (gpointer user_data)
 824 {
 825   g_printerr ("Timeout waiting 30 sec on service\n");
 826   g_assert_not_reached ();
 827   return FALSE;
 828 }
 829
 830 static void
 831 test_connection_filter (void)
 832 {
 833   GDBusConnection *c;
 834   FilterData data;
 835   GDBusMessage *m;
 836   GDBusMessage *m2;
 837   GDBusMessage *r;
 838   GError *error;
 839   guint filter_id;
 840   guint timeout_mainloop_id;
 841   guint signal_handler_id;
 842   FilterEffects effects;
 843   GVariant *result;
 844   const gchar *s;
 845
 846   memset (&data, '\0', sizeof (FilterData));
 847
 848   session_bus_up ();
 849
 850   error = NULL;
 851   c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
 852   g_assert_no_error (error);
 853   g_assert (c != NULL);
 854
 855   filter_id = g_dbus_connection_add_filter (c,
 856                                             filter_func,
 857                                             &data,
 858                                             NULL);
 859
 860   m = g_dbus_message_new_method_call ("org.freedesktop.DBus", /* name */
 861                                       "/org/freedesktop/DBus", /* path */
 862                                       "org.freedesktop.DBus", /* interface */
 863                                       "GetNameOwner");
 864   g_dbus_message_set_body (m, g_variant_new ("(s)", "org.freedesktop.DBus"));
 865   error = NULL;
 866   g_dbus_connection_send_message (c, m, G_DBUS_SEND_MESSAGE_FLAGS_NONE, &data.serial, &error);
 867   g_assert_no_error (error);
 868
 869   while (data.num_handled == 0)
 870     g_thread_yield ();
 871
 872   m2 = g_dbus_message_copy (m, &error);
 873   g_assert_no_error (error);
 874   g_dbus_connection_send_message (c, m2, G_DBUS_SEND_MESSAGE_FLAGS_NONE, &data.serial, &error);
 875   g_object_unref (m2);
 876   g_assert_no_error (error);
 877
 878   while (data.num_handled == 1)
 879     g_thread_yield ();
 880
 881   m2 = g_dbus_message_copy (m, &error);
 882   g_assert_no_error (error);
 883   g_dbus_message_set_serial (m2, data.serial);
 884   /* lock the message to test PRESERVE_SERIAL flag. */
 885   g_dbus_message_lock (m2);
 886   g_dbus_connection_send_message (c, m2, G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL, &data.serial, &error);
 887   g_object_unref (m2);
 888   g_assert_no_error (error);
 889
 890   while (data.num_handled == 2)
 891     g_thread_yield ();
 892
 893   m2 = g_dbus_message_copy (m, &error);
 894   g_assert_no_error (error);
 895   r = g_dbus_connection_send_message_with_reply_sync (c,
 896                                                       m2,
 897                                                       G_DBUS_SEND_MESSAGE_FLAGS_NONE,
 898                                                       -1,
 899                                                       &data.serial,
 900                                                       NULL, /* GCancellable */
 901                                                       &error);
 902   g_object_unref (m2);
 903   g_assert_no_error (error);
 904   g_assert (r != NULL);
 905   g_object_unref (r);
 906   g_assert_cmpint (data.num_handled, ==, 4);
 907
 908   g_dbus_connection_remove_filter (c, filter_id);
 909
 910   m2 = g_dbus_message_copy (m, &error);
 911   g_assert_no_error (error);
 912   r = g_dbus_connection_send_message_with_reply_sync (c,
 913                                                       m2,
 914                                                       G_DBUS_SEND_MESSAGE_FLAGS_NONE,
 915                                                       -1,
 916                                                       &data.serial,
 917                                                       NULL, /* GCancellable */
 918                                                       &error);
 919   g_object_unref (m2);
 920   g_assert_no_error (error);
 921   g_assert (r != NULL);
 922   g_object_unref (r);
 923   g_assert_cmpint (data.num_handled, ==, 4);
 924   g_assert_cmpint (data.num_outgoing, ==, 4);
 925
 926   /* this is safe; testserver will exit once the bus goes away */
 927   g_assert (g_spawn_command_line_async (SRCDIR "/gdbus-testserver.py", NULL));
 928   /* wait for service to be available */
 929   signal_handler_id = g_dbus_connection_signal_subscribe (c,
 930                                                           "org.freedesktop.DBus", /* sender */
 931                                                           "org.freedesktop.DBus",
 932                                                           "NameOwnerChanged",
 933                                                           "/org/freedesktop/DBus",
 934                                                           NULL, /* arg0 */
 935                                                           G_DBUS_SIGNAL_FLAGS_NONE,
 936                                                           test_connection_filter_name_owner_changed_signal_handler,
 937                                                           NULL,
 938                                                           NULL);
 939   g_assert_cmpint (signal_handler_id, !=, 0);
 940   timeout_mainloop_id = g_timeout_add (30000, test_connection_filter_on_timeout, NULL);
 941   g_main_loop_run (loop);
 942   g_source_remove (timeout_mainloop_id);
 943   g_dbus_connection_signal_unsubscribe (c, signal_handler_id);
 944
 945   /* now test some combinations... */
 946   filter_id = g_dbus_connection_add_filter (c,
 947                                             other_filter_func,
 948                                             &effects,
 949                                             NULL);
 950   /* -- */
 951   effects.alter_incoming = FALSE;
 952   effects.alter_outgoing = FALSE;
 953   error = NULL;
 954   result = g_dbus_connection_call_sync (c,
 955                                         "com.example.TestService",      /* bus name */
 956                                         "/com/example/TestObject",      /* object path */
 957                                         "com.example.Frob",             /* interface name */
 958                                         "HelloWorld",                   /* method name */
 959                                         g_variant_new ("(s)", "Cat"),   /* parameters */
 960                                         G_VARIANT_TYPE ("(s)"),         /* return type */
 961                                         G_DBUS_CALL_FLAGS_NONE,
 962                                         -1,
 963                                         NULL,
 964                                         &error);
 965   g_assert_no_error (error);
 966   g_variant_get (result, "(&s)", &s);
 967   g_assert_cmpstr (s, ==, "You greeted me with 'Cat'. Thanks!");
 968   g_variant_unref (result);
 969   /* -- */
 970   effects.alter_incoming = TRUE;
 971   effects.alter_outgoing = TRUE;
 972   error = NULL;
 973   result = g_dbus_connection_call_sync (c,
 974                                         "com.example.TestService",      /* bus name */
 975                                         "/com/example/TestObject",      /* object path */
 976                                         "com.example.Frob",             /* interface name */
 977                                         "HelloWorld",                   /* method name */
 978                                         g_variant_new ("(s)", "Cat"),   /* parameters */
 979                                         G_VARIANT_TYPE ("(s)"),         /* return type */
 980                                         G_DBUS_CALL_FLAGS_NONE,
 981                                         -1,
 982                                         NULL,
 983                                         &error);
 984   g_assert_no_error (error);
 985   g_variant_get (result, "(&s)", &s);
 986   g_assert_cmpstr (s, ==, "MOD: You greeted me with 'MOD: Cat'. Thanks!");
 987   g_variant_unref (result);
 988
 989
 990   g_dbus_connection_remove_filter (c, filter_id);
 991
 992   g_object_unref (c);
 993   g_object_unref (m);
 994
 995   session_bus_down ();
 996 }
 997
 998 static void
 999 test_connection_basic (void)
1000 {
1001   GDBusConnection *connection;
1002   GError *error;
1003   GDBusCapabilityFlags flags;
1004   gchar *guid;
1005   gchar *name;
1006   gboolean closed;
1007   gboolean exit_on_close;
1008   GIOStream *stream;
1009   GCredentials *credentials;
1010
1011   session_bus_up ();
1012
1013   error = NULL;
1014   connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
1015   g_assert_no_error (error);
1016   g_assert (connection != NULL);
1017
1018   flags = g_dbus_connection_get_capabilities (connection);
1019   g_assert (flags == G_DBUS_CAPABILITY_FLAGS_NONE ||
1020             flags == G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING);
1021
1022   credentials = g_dbus_connection_get_peer_credentials (connection);
1023   g_assert (credentials == NULL);
1024
1025   g_object_get (connection,
1026                 "stream", &stream,
1027                 "guid", &guid,
1028                 "unique-name", &name,
1029                 "closed", &closed,
1030                 "exit-on-close", &exit_on_close,
1031                 "capabilities", &flags,
1032                 NULL);
1033
1034   g_assert (G_IS_IO_STREAM (stream));
1035   g_assert (g_dbus_is_guid (guid));
1036   g_assert (g_dbus_is_unique_name (name));
1037   g_assert (!closed);
1038   g_assert (exit_on_close);
1039   g_assert (flags == G_DBUS_CAPABILITY_FLAGS_NONE ||
1040             flags == G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING);
1041   g_object_unref (stream);
1042   g_free (name);
1043   g_free (guid);
1044
1045   g_object_unref (connection);
1046
1047   session_bus_down ();
1048 }
1049
1050 /* ---------------------------------------------------------------------------------------------------- */
1051
1052 int
1053 main (int   argc,
1054       char *argv[])
1055 {
1056   g_type_init ();
1057   g_test_init (&argc, &argv, NULL);
1058
1059   /* all the tests rely on a shared main loop */
1060   loop = g_main_loop_new (NULL, FALSE);
1061
1062   g_test_dbus_unset ();
1063
1064   g_test_add_func ("/gdbus/connection/basic", test_connection_basic);
1065   g_test_add_func ("/gdbus/connection/life-cycle", test_connection_life_cycle);
1066   g_test_add_func ("/gdbus/connection/send", test_connection_send);
1067   g_test_add_func ("/gdbus/connection/signals", test_connection_signals);
1068   g_test_add_func ("/gdbus/connection/filter", test_connection_filter);
1069   return g_test_run();
1070 }