gio/tests/gdbus-peer.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 /* for open(2) */
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <fcntl.h>
  31
  32 #include <gio/gunixsocketaddress.h>
  33 #include <gio/gunixfdlist.h>
  34
  35 #include "gdbus-tests.h"
  36
  37
  38 #ifdef G_OS_UNIX
  39 static gboolean is_unix = TRUE;
  40 #else
  41 static gboolean is_unix = FALSE;
  42 #endif
  43
  44 static gchar *test_guid = NULL;
  45 static GMainLoop *service_loop = NULL;
  46 static GDBusServer *server = NULL;
  47 static GMainLoop *loop = NULL;
  48
  49 /* ---------------------------------------------------------------------------------------------------- */
  50 /* Test that peer-to-peer connections work */
  51 /* ---------------------------------------------------------------------------------------------------- */
  52
  53
  54 typedef struct
  55 {
  56   gboolean accept_connection;
  57   gint num_connection_attempts;
  58   GPtrArray *current_connections;
  59   guint num_method_calls;
  60   gboolean signal_received;
  61 } PeerData;
  62
  63 static const gchar *test_interface_introspection_xml =
  64   "<node>"
  65   "  <interface name='org.gtk.GDBus.PeerTestInterface'>"
  66   "    <method name='HelloPeer'>"
  67   "      <arg type='s' name='greeting' direction='in'/>"
  68   "      <arg type='s' name='response' direction='out'/>"
  69   "    </method>"
  70   "    <method name='EmitSignal'/>"
  71   "    <method name='EmitSignalWithNameSet'/>"
  72   "    <method name='OpenFile'>"
  73   "      <arg type='s' name='path' direction='in'/>"
  74   "    </method>"
  75   "    <signal name='PeerSignal'>"
  76   "      <arg type='s' name='a_string'/>"
  77   "    </signal>"
  78   "    <property type='s' name='PeerProperty' access='read'/>"
  79   "  </interface>"
  80   "</node>";
  81 static const GDBusInterfaceInfo *test_interface_introspection_data = NULL;
  82
  83 static void
  84 test_interface_method_call (GDBusConnection       *connection,
  85                             const gchar           *sender,
  86                             const gchar           *object_path,
  87                             const gchar           *interface_name,
  88                             const gchar           *method_name,
  89                             GVariant              *parameters,
  90                             GDBusMethodInvocation *invocation,
  91                             gpointer               user_data)
  92 {
  93   PeerData *data = user_data;
  94
  95   data->num_method_calls++;
  96
  97   g_assert_cmpstr (object_path, ==, "/org/gtk/GDBus/PeerTestObject");
  98   g_assert_cmpstr (interface_name, ==, "org.gtk.GDBus.PeerTestInterface");
  99
 100   if (g_strcmp0 (method_name, "HelloPeer") == 0)
 101     {
 102       const gchar *greeting;
 103       gchar *response;
 104
 105       g_variant_get (parameters, "(&s)", &greeting);
 106
 107       response = g_strdup_printf ("You greeted me with '%s'.",
 108                                   greeting);
 109       g_dbus_method_invocation_return_value (invocation,
 110                                              g_variant_new ("(s)", response));
 111       g_free (response);
 112     }
 113   else if (g_strcmp0 (method_name, "EmitSignal") == 0)
 114     {
 115       GError *error;
 116
 117       error = NULL;
 118       g_dbus_connection_emit_signal (connection,
 119                                      NULL,
 120                                      "/org/gtk/GDBus/PeerTestObject",
 121                                      "org.gtk.GDBus.PeerTestInterface",
 122                                      "PeerSignal",
 123                                      NULL,
 124                                      &error);
 125       g_assert_no_error (error);
 126       g_dbus_method_invocation_return_value (invocation, NULL);
 127     }
 128   else if (g_strcmp0 (method_name, "EmitSignalWithNameSet") == 0)
 129     {
 130       GError *error;
 131       gboolean ret;
 132       GDBusMessage *message;
 133
 134       message = g_dbus_message_new_signal ("/org/gtk/GDBus/PeerTestObject",
 135                                            "org.gtk.GDBus.PeerTestInterface",
 136                                            "PeerSignalWithNameSet");
 137       g_dbus_message_set_sender (message, ":1.42");
 138
 139       error = NULL;
 140       ret = g_dbus_connection_send_message (connection, message, NULL, &error);
 141       g_assert_no_error (error);
 142       g_assert (ret);
 143       g_object_unref (message);
 144
 145       g_dbus_method_invocation_return_value (invocation, NULL);
 146     }
 147   else if (g_strcmp0 (method_name, "OpenFile") == 0)
 148     {
 149 #ifdef G_OS_UNIX
 150       const gchar *path;
 151       GDBusMessage *reply;
 152       GError *error;
 153       gint fd;
 154       GUnixFDList *fd_list;
 155
 156       g_variant_get (parameters, "(&s)", &path);
 157
 158       fd_list = g_unix_fd_list_new ();
 159
 160       error = NULL;
 161
 162       fd = open (path, O_RDONLY);
 163       g_unix_fd_list_append (fd_list, fd, &error);
 164       g_assert_no_error (error);
 165       close (fd);
 166
 167       reply = g_dbus_message_new_method_reply (g_dbus_method_invocation_get_message (invocation));
 168       g_dbus_message_set_unix_fd_list (reply, fd_list);
 169       g_object_unref (invocation);
 170
 171       error = NULL;
 172       g_dbus_connection_send_message (connection,
 173                                       reply,
 174                                       NULL, /* out_serial */
 175                                       &error);
 176       g_assert_no_error (error);
 177       g_object_unref (reply);
 178 #else
 179       g_dbus_method_invocation_return_dbus_error (invocation,
 180                                                   "org.gtk.GDBus.NotOnUnix",
 181                                                   "Your OS does not support file descriptor passing");
 182 #endif
 183     }
 184   else
 185     {
 186       g_assert_not_reached ();
 187     }
 188 }
 189
 190 static GVariant *
 191 test_interface_get_property (GDBusConnection  *connection,
 192                              const gchar      *sender,
 193                              const gchar      *object_path,
 194                              const gchar      *interface_name,
 195                              const gchar      *property_name,
 196                              GError          **error,
 197                              gpointer          user_data)
 198 {
 199   g_assert_cmpstr (object_path, ==, "/org/gtk/GDBus/PeerTestObject");
 200   g_assert_cmpstr (interface_name, ==, "org.gtk.GDBus.PeerTestInterface");
 201   g_assert_cmpstr (property_name, ==, "PeerProperty");
 202
 203   return g_variant_new_string ("ThePropertyValue");
 204 }
 205
 206
 207 static const GDBusInterfaceVTable test_interface_vtable =
 208 {
 209   test_interface_method_call,
 210   test_interface_get_property,
 211   NULL  /* set_property */
 212 };
 213
 214 static void
 215 on_proxy_signal_received (GDBusProxy *proxy,
 216                           gchar      *sender_name,
 217                           gchar      *signal_name,
 218                           GVariant   *parameters,
 219                           gpointer    user_data)
 220 {
 221   PeerData *data = user_data;
 222
 223   data->signal_received = TRUE;
 224
 225   g_assert (sender_name == NULL);
 226   g_assert_cmpstr (signal_name, ==, "PeerSignal");
 227   g_main_loop_quit (loop);
 228 }
 229
 230 static void
 231 on_proxy_signal_received_with_name_set (GDBusProxy *proxy,
 232                                         gchar      *sender_name,
 233                                         gchar      *signal_name,
 234                                         GVariant   *parameters,
 235                                         gpointer    user_data)
 236 {
 237   PeerData *data = user_data;
 238
 239   data->signal_received = TRUE;
 240
 241   g_assert_cmpstr (sender_name, ==, ":1.42");
 242   g_assert_cmpstr (signal_name, ==, "PeerSignalWithNameSet");
 243   g_main_loop_quit (loop);
 244 }
 245
 246 /* ---------------------------------------------------------------------------------------------------- */
 247
 248 static gboolean
 249 on_authorize_authenticated_peer (GDBusAuthObserver *observer,
 250                                  GIOStream         *stream,
 251                                  GCredentials      *credentials,
 252                                  gpointer           user_data)
 253 {
 254   PeerData *data = user_data;
 255   gboolean authorized;
 256
 257   data->num_connection_attempts++;
 258
 259   authorized = TRUE;
 260   if (!data->accept_connection)
 261     {
 262       authorized = FALSE;
 263       g_main_loop_quit (loop);
 264     }
 265
 266   return authorized;
 267 }
 268
 269 /* Runs in thread we created GDBusServer in (since we didn't pass G_DBUS_SERVER_FLAGS_RUN_IN_THREAD) */
 270 static void
 271 on_new_connection (GDBusServer *server,
 272                    GDBusConnection *connection,
 273                    gpointer user_data)
 274 {
 275   PeerData *data = user_data;
 276   GError *error;
 277   guint reg_id;
 278
 279   //g_print ("Client connected.\n"
 280   //         "Negotiated capabilities: unix-fd-passing=%d\n",
 281   //         g_dbus_connection_get_capabilities (connection) & G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING);
 282
 283   g_ptr_array_add (data->current_connections, g_object_ref (connection));
 284
 285   /* export object on the newly established connection */
 286   error = NULL;
 287   reg_id = g_dbus_connection_register_object (connection,
 288                                               "/org/gtk/GDBus/PeerTestObject",
 289                                               test_interface_introspection_data,
 290                                               &test_interface_vtable,
 291                                               data,
 292                                               NULL, /* GDestroyNotify for data */
 293                                               &error);
 294   g_assert_no_error (error);
 295   g_assert (reg_id > 0);
 296
 297   g_main_loop_quit (loop);
 298 }
 299
 300 static gpointer
 301 service_thread_func (gpointer user_data)
 302 {
 303   PeerData *data = user_data;
 304   GMainContext *service_context;
 305   GDBusAuthObserver *observer;
 306   GError *error;
 307
 308   service_context = g_main_context_new ();
 309   g_main_context_push_thread_default (service_context);
 310
 311   error = NULL;
 312   observer = g_dbus_auth_observer_new ();
 313   server = g_dbus_server_new_sync (is_unix ? "unix:tmpdir=/tmp/gdbus-test-" : "nonce-tcp:",
 314                                    G_DBUS_SERVER_FLAGS_NONE,
 315                                    test_guid,
 316                                    observer,
 317                                    NULL, /* cancellable */
 318                                    &error);
 319   g_assert_no_error (error);
 320
 321   g_signal_connect (server,
 322                     "new-connection",
 323                     G_CALLBACK (on_new_connection),
 324                     data);
 325   g_signal_connect (observer,
 326                     "authorize-authenticated-peer",
 327                     G_CALLBACK (on_authorize_authenticated_peer),
 328                     data);
 329   g_object_unref (observer);
 330
 331   g_dbus_server_start (server);
 332
 333   service_loop = g_main_loop_new (service_context, FALSE);
 334   g_main_loop_run (service_loop);
 335
 336   g_main_context_pop_thread_default (service_context);
 337
 338   g_main_loop_unref (service_loop);
 339   g_main_context_unref (service_context);
 340
 341   /* test code specifically unrefs the server - see below */
 342   g_assert (server == NULL);
 343
 344   return NULL;
 345 }
 346
 347 #if 0
 348 static gboolean
 349 on_incoming_connection (GSocketService     *service,
 350                         GSocketConnection  *socket_connection,
 351                         GObject            *source_object,
 352                         gpointer           user_data)
 353 {
 354   PeerData *data = user_data;
 355
 356   if (data->accept_connection)
 357     {
 358       GError *error;
 359       guint reg_id;
 360       GDBusConnection *connection;
 361
 362       error = NULL;
 363       connection = g_dbus_connection_new_sync (G_IO_STREAM (socket_connection),
 364                                                test_guid,
 365                                                G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_SERVER,
 366                                                NULL, /* cancellable */
 367                                                &error);
 368       g_assert_no_error (error);
 369
 370       g_ptr_array_add (data->current_connections, connection);
 371
 372       /* export object on the newly established connection */
 373       error = NULL;
 374       reg_id = g_dbus_connection_register_object (connection,
 375                                                   "/org/gtk/GDBus/PeerTestObject",
 376                                                   &test_interface_introspection_data,
 377                                                   &test_interface_vtable,
 378                                                   data,
 379                                                   NULL, /* GDestroyNotify for data */
 380                                                   &error);
 381       g_assert_no_error (error);
 382       g_assert (reg_id > 0);
 383
 384     }
 385   else
 386     {
 387       /* don't do anything */
 388     }
 389
 390   data->num_connection_attempts++;
 391
 392   g_main_loop_quit (loop);
 393
 394   /* stops other signal handlers from being invoked */
 395   return TRUE;
 396 }
 397
 398 static gpointer
 399 service_thread_func (gpointer data)
 400 {
 401   GMainContext *service_context;
 402   gchar *socket_path;
 403   GSocketAddress *address;
 404   GError *error;
 405
 406   service_context = g_main_context_new ();
 407   g_main_context_push_thread_default (service_context);
 408
 409   socket_path = g_strdup_printf ("/tmp/gdbus-test-pid-%d", getpid ());
 410   address = g_unix_socket_address_new (socket_path);
 411
 412   service = g_socket_service_new ();
 413   error = NULL;
 414   g_socket_listener_add_address (G_SOCKET_LISTENER (service),
 415                                  address,
 416                                  G_SOCKET_TYPE_STREAM,
 417                                  G_SOCKET_PROTOCOL_DEFAULT,
 418                                  NULL, /* source_object */
 419                                  NULL, /* effective_address */
 420                                  &error);
 421   g_assert_no_error (error);
 422   g_signal_connect (service,
 423                     "incoming",
 424                     G_CALLBACK (on_incoming_connection),
 425                     data);
 426   g_socket_service_start (service);
 427
 428   service_loop = g_main_loop_new (service_context, FALSE);
 429   g_main_loop_run (service_loop);
 430
 431   g_main_context_pop_thread_default (service_context);
 432
 433   g_main_loop_unref (service_loop);
 434   g_main_context_unref (service_context);
 435
 436   g_object_unref (address);
 437   g_free (socket_path);
 438   return NULL;
 439 }
 440 #endif
 441
 442 /* ---------------------------------------------------------------------------------------------------- */
 443
 444 #if 0
 445 static gboolean
 446 check_connection (gpointer user_data)
 447 {
 448   PeerData *data = user_data;
 449   guint n;
 450
 451   for (n = 0; n < data->current_connections->len; n++)
 452     {
 453       GDBusConnection *c;
 454       GIOStream *stream;
 455
 456       c = G_DBUS_CONNECTION (data->current_connections->pdata[n]);
 457       stream = g_dbus_connection_get_stream (c);
 458
 459       g_debug ("In check_connection for %d: connection %p, stream %p", n, c, stream);
 460       g_debug ("closed = %d", g_io_stream_is_closed (stream));
 461
 462       GSocket *socket;
 463       socket = g_socket_connection_get_socket (G_SOCKET_CONNECTION (stream));
 464       g_debug ("socket_closed = %d", g_socket_is_closed (socket));
 465       g_debug ("socket_condition_check = %d", g_socket_condition_check (socket, G_IO_IN|G_IO_OUT|G_IO_ERR|G_IO_HUP));
 466
 467       gchar buf[128];
 468       GError *error;
 469       gssize num_read;
 470       error = NULL;
 471       num_read = g_input_stream_read (g_io_stream_get_input_stream (stream),
 472                                       buf,
 473                                       128,
 474                                       NULL,
 475                                       &error);
 476       if (num_read < 0)
 477         {
 478           g_debug ("error: %s", error->message);
 479           g_error_free (error);
 480         }
 481       else
 482         {
 483           g_debug ("no error, read %d bytes", (gint) num_read);
 484         }
 485     }
 486
 487   return FALSE;
 488 }
 489
 490 static gboolean
 491 on_do_disconnect_in_idle (gpointer data)
 492 {
 493   GDBusConnection *c = G_DBUS_CONNECTION (data);
 494   g_debug ("GDC %p has ref_count %d", c, G_OBJECT (c)->ref_count);
 495   g_dbus_connection_disconnect (c);
 496   g_object_unref (c);
 497   return FALSE;
 498 }
 499 #endif
 500
 501 static void
 502 test_peer (void)
 503 {
 504   GDBusConnection *c;
 505   GDBusConnection *c2;
 506   GDBusProxy *proxy;
 507   GError *error;
 508   PeerData data;
 509   GVariant *value;
 510   GVariant *result;
 511   const gchar *s;
 512   GThread *service_thread;
 513   gulong signal_handler_id;
 514
 515   memset (&data, '\0', sizeof (PeerData));
 516   data.current_connections = g_ptr_array_new_with_free_func (g_object_unref);
 517
 518   /* first try to connect when there is no server */
 519   error = NULL;
 520   c = g_dbus_connection_new_for_address_sync (is_unix ? "unix:path=/tmp/gdbus-test-does-not-exist-pid" :
 521                                               /* NOTE: Even if something is listening on port 12345 the connection
 522                                                * will fail because the nonce file doesn't exist */
 523                                               "nonce-tcp:host=localhost,port=12345,noncefile=this-does-not-exist-gdbus",
 524                                               G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
 525                                               NULL, /* GDBusAuthObserver */
 526                                               NULL, /* cancellable */
 527                                               &error);
 528   _g_assert_error_domain (error, G_IO_ERROR);
 529   g_assert (!g_dbus_error_is_remote_error (error));
 530   g_clear_error (&error);
 531   g_assert (c == NULL);
 532
 533   /* bring up a server - we run the server in a different thread to avoid deadlocks */
 534   error = NULL;
 535   service_thread = g_thread_create (service_thread_func,
 536                                     &data,
 537                                     TRUE,
 538                                     &error);
 539   while (service_loop == NULL)
 540     g_thread_yield ();
 541   g_assert (server != NULL);
 542
 543   /* bring up a connection and accept it */
 544   data.accept_connection = TRUE;
 545   error = NULL;
 546   c = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (server),
 547                                               G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
 548                                               NULL, /* GDBusAuthObserver */
 549                                               NULL, /* cancellable */
 550                                               &error);
 551   g_assert_no_error (error);
 552   g_assert (c != NULL);
 553   while (data.current_connections->len < 1)
 554     g_main_loop_run (loop);
 555   g_assert_cmpint (data.current_connections->len, ==, 1);
 556   g_assert_cmpint (data.num_connection_attempts, ==, 1);
 557   g_assert (g_dbus_connection_get_unique_name (c) == NULL);
 558   g_assert_cmpstr (g_dbus_connection_get_guid (c), ==, test_guid);
 559
 560   /* check that we create a proxy, read properties, receive signals and invoke
 561    * the HelloPeer() method. Since the server runs in another thread it's fine
 562    * to use synchronous blocking API here.
 563    */
 564   error = NULL;
 565   proxy = g_dbus_proxy_new_sync (c,
 566                                  G_DBUS_PROXY_FLAGS_NONE,
 567                                  NULL,
 568                                  NULL, /* bus_name */
 569                                  "/org/gtk/GDBus/PeerTestObject",
 570                                  "org.gtk.GDBus.PeerTestInterface",
 571                                  NULL, /* GCancellable */
 572                                  &error);
 573   g_assert_no_error (error);
 574   g_assert (proxy != NULL);
 575   error = NULL;
 576   value = g_dbus_proxy_get_cached_property (proxy, "PeerProperty");
 577   g_assert_cmpstr (g_variant_get_string (value, NULL), ==, "ThePropertyValue");
 578
 579   /* try invoking a method */
 580   error = NULL;
 581   result = g_dbus_proxy_call_sync (proxy,
 582                                    "HelloPeer",
 583                                    g_variant_new ("(s)", "Hey Peer!"),
 584                                    G_DBUS_CALL_FLAGS_NONE,
 585                                    -1,
 586                                    NULL,  /* GCancellable */
 587                                    &error);
 588   g_assert_no_error (error);
 589   g_variant_get (result, "(&s)", &s);
 590   g_assert_cmpstr (s, ==, "You greeted me with 'Hey Peer!'.");
 591   g_variant_unref (result);
 592   g_assert_cmpint (data.num_method_calls, ==, 1);
 593
 594   /* make the other peer emit a signal - catch it */
 595   signal_handler_id = g_signal_connect (proxy,
 596                                         "g-signal",
 597                                         G_CALLBACK (on_proxy_signal_received),
 598                                         &data);
 599   g_assert (!data.signal_received);
 600   g_dbus_proxy_call (proxy,
 601                      "EmitSignal",
 602                      NULL,  /* no arguments */
 603                      G_DBUS_CALL_FLAGS_NONE,
 604                      -1,
 605                      NULL,  /* GCancellable */
 606                      NULL,  /* GAsyncReadyCallback - we don't care about the result */
 607                      NULL); /* user_data */
 608   g_main_loop_run (loop);
 609   g_assert (data.signal_received);
 610   g_assert_cmpint (data.num_method_calls, ==, 2);
 611   g_signal_handler_disconnect (proxy, signal_handler_id);
 612
 613   /* Also ensure that messages with the sender header-field set gets
 614    * delivered to the proxy - note that this doesn't really make sense
 615    * e.g. names are meaning-less in a peer-to-peer case... but we
 616    * support it because it makes sense in certain bridging
 617    * applications - see e.g. #623815.
 618    */
 619   signal_handler_id = g_signal_connect (proxy,
 620                                         "g-signal",
 621                                         G_CALLBACK (on_proxy_signal_received_with_name_set),
 622                                         &data);
 623   data.signal_received = FALSE;
 624   g_dbus_proxy_call (proxy,
 625                      "EmitSignalWithNameSet",
 626                      NULL,  /* no arguments */
 627                      G_DBUS_CALL_FLAGS_NONE,
 628                      -1,
 629                      NULL,  /* GCancellable */
 630                      NULL,  /* GAsyncReadyCallback - we don't care about the result */
 631                      NULL); /* user_data */
 632   g_main_loop_run (loop);
 633   g_assert (data.signal_received);
 634   g_assert_cmpint (data.num_method_calls, ==, 3);
 635   g_signal_handler_disconnect (proxy, signal_handler_id);
 636
 637   /* check for UNIX fd passing */
 638 #ifdef G_OS_UNIX
 639   {
 640     GDBusMessage *method_call_message;
 641     GDBusMessage *method_reply_message;
 642     GUnixFDList *fd_list;
 643     gint fd;
 644     gchar buf[1024];
 645     gssize len;
 646     gchar *buf2;
 647     gsize len2;
 648
 649     method_call_message = g_dbus_message_new_method_call (NULL, /* name */
 650                                                           "/org/gtk/GDBus/PeerTestObject",
 651                                                           "org.gtk.GDBus.PeerTestInterface",
 652                                                           "OpenFile");
 653     g_dbus_message_set_body (method_call_message, g_variant_new ("(s)", "/etc/hosts"));
 654     error = NULL;
 655     method_reply_message = g_dbus_connection_send_message_with_reply_sync (c,
 656                                                                            method_call_message,
 657                                                                            -1,
 658                                                                            NULL, /* out_serial */
 659                                                                            NULL, /* cancellable */
 660                                                                            &error);
 661     g_assert_no_error (error);
 662     g_assert (g_dbus_message_get_message_type (method_reply_message) == G_DBUS_MESSAGE_TYPE_METHOD_RETURN);
 663     fd_list = g_dbus_message_get_unix_fd_list (method_reply_message);
 664     g_assert (fd_list != NULL);
 665     g_assert_cmpint (g_unix_fd_list_get_length (fd_list), ==, 1);
 666     error = NULL;
 667     fd = g_unix_fd_list_get (fd_list, 0, &error);
 668     g_assert_no_error (error);
 669     g_object_unref (method_call_message);
 670     g_object_unref (method_reply_message);
 671
 672     memset (buf, '\0', sizeof (buf));
 673     len = read (fd, buf, sizeof (buf) - 1);
 674     close (fd);
 675
 676     error = NULL;
 677     g_file_get_contents ("/etc/hosts",
 678                          &buf2,
 679                          &len2,
 680                          &error);
 681     g_assert_no_error (error);
 682     if (len2 > sizeof (buf))
 683       buf2[sizeof (buf)] = '\0';
 684     g_assert_cmpstr (buf, ==, buf2);
 685     g_free (buf2);
 686   }
 687 #else
 688   error = NULL;
 689   result = g_dbus_proxy_call_sync (proxy,
 690                                    "OpenFile",
 691                                    g_variant_new ("(s)", "boo"),
 692                                    G_DBUS_CALL_FLAGS_NONE,
 693                                    -1,
 694                                    NULL,  /* GCancellable */
 695                                    &error);
 696   g_assert_error (error, G_IO_ERROR, G_IO_ERROR_DBUS_ERROR);
 697   g_assert (result == NULL);
 698   g_error_free (error);
 699 #endif /* G_OS_UNIX */
 700
 701
 702   /* bring up a connection - don't accept it - this should fail
 703    */
 704   data.accept_connection = FALSE;
 705   error = NULL;
 706   c2 = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (server),
 707                                                G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
 708                                                NULL, /* GDBusAuthObserver */
 709                                                NULL, /* cancellable */
 710                                                &error);
 711   _g_assert_error_domain (error, G_IO_ERROR);
 712   g_assert (c2 == NULL);
 713
 714 #if 0
 715   /* TODO: THIS TEST DOESN'T WORK YET */
 716
 717   /* bring up a connection - accept it.. then disconnect from the client side - check
 718    * that the server side gets the disconnect signal.
 719    */
 720   error = NULL;
 721   data.accept_connection = TRUE;
 722   c2 = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (server),
 723                                                G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
 724                                                NULL, /* GDBusAuthObserver */
 725                                                NULL, /* cancellable */
 726                                                &error);
 727   g_assert_no_error (error);
 728   g_assert (c2 != NULL);
 729   g_assert (!g_dbus_connection_get_is_disconnected (c2));
 730   while (data.num_connection_attempts < 3)
 731     g_main_loop_run (loop);
 732   g_assert_cmpint (data.current_connections->len, ==, 2);
 733   g_assert_cmpint (data.num_connection_attempts, ==, 3);
 734   g_assert (!g_dbus_connection_get_is_disconnected (G_DBUS_CONNECTION (data.current_connections->pdata[1])));
 735   g_idle_add (on_do_disconnect_in_idle, c2);
 736   g_debug ("==================================================");
 737   g_debug ("==================================================");
 738   g_debug ("==================================================");
 739   g_debug ("waiting for disconnect on connection %p, stream %p",
 740            data.current_connections->pdata[1],
 741            g_dbus_connection_get_stream (data.current_connections->pdata[1]));
 742
 743   g_timeout_add (2000, check_connection, &data);
 744   //_g_assert_signal_received (G_DBUS_CONNECTION (data.current_connections->pdata[1]), "closed");
 745   g_main_loop_run (loop);
 746   g_assert (g_dbus_connection_get_is_disconnected (G_DBUS_CONNECTION (data.current_connections->pdata[1])));
 747   g_ptr_array_set_size (data.current_connections, 1); /* remove disconnected connection object */
 748 #endif
 749
 750   /* unref the server and stop listening for new connections
 751    *
 752    * This won't bring down the established connections - check that c is still connected
 753    * by invoking a method
 754    */
 755   //g_socket_service_stop (service);
 756   //g_object_unref (service);
 757   g_dbus_server_stop (server);
 758   g_object_unref (server);
 759   server = NULL;
 760
 761   error = NULL;
 762   result = g_dbus_proxy_call_sync (proxy,
 763                                    "HelloPeer",
 764                                    g_variant_new ("(s)", "Hey Again Peer!"),
 765                                    G_DBUS_CALL_FLAGS_NONE,
 766                                    -1,
 767                                    NULL,  /* GCancellable */
 768                                    &error);
 769   g_assert_no_error (error);
 770   g_variant_get (result, "(&s)", &s);
 771   g_assert_cmpstr (s, ==, "You greeted me with 'Hey Again Peer!'.");
 772   g_variant_unref (result);
 773   g_assert_cmpint (data.num_method_calls, ==, 5);
 774
 775 #if 0
 776   /* TODO: THIS TEST DOESN'T WORK YET */
 777
 778   /* now disconnect from the server side - check that the client side gets the signal */
 779   g_assert_cmpint (data.current_connections->len, ==, 1);
 780   g_assert (G_DBUS_CONNECTION (data.current_connections->pdata[0]) != c);
 781   g_dbus_connection_disconnect (G_DBUS_CONNECTION (data.current_connections->pdata[0]));
 782   if (!g_dbus_connection_get_is_disconnected (c))
 783     _g_assert_signal_received (c, "closed");
 784   g_assert (g_dbus_connection_get_is_disconnected (c));
 785 #endif
 786
 787   g_object_unref (c);
 788   g_ptr_array_unref (data.current_connections);
 789   g_object_unref (proxy);
 790
 791   g_main_loop_quit (service_loop);
 792   g_thread_join (service_thread);
 793 }
 794
 795 /* ---------------------------------------------------------------------------------------------------- */
 796
 797 typedef struct
 798 {
 799   GDBusServer *server;
 800   GMainContext *context;
 801   GMainLoop *loop;
 802
 803   GList *connections;
 804 } DmpData;
 805
 806 static void
 807 dmp_data_free (DmpData *data)
 808 {
 809   g_main_loop_unref (data->loop);
 810   g_main_context_unref (data->context);
 811   g_object_unref (data->server);
 812   g_list_foreach (data->connections, (GFunc) g_object_unref, NULL);
 813   g_list_free (data->connections);
 814   g_free (data);
 815 }
 816
 817 static void
 818 dmp_on_method_call (GDBusConnection       *connection,
 819                     const gchar           *sender,
 820                     const gchar           *object_path,
 821                     const gchar           *interface_name,
 822                     const gchar           *method_name,
 823                     GVariant              *parameters,
 824                     GDBusMethodInvocation *invocation,
 825                     gpointer               user_data)
 826 {
 827   //DmpData *data = user_data;
 828   gint32 first;
 829   gint32 second;
 830   g_variant_get (parameters,
 831                  "(ii)",
 832                  &first,
 833                  &second);
 834   g_dbus_method_invocation_return_value (invocation,
 835                                          g_variant_new ("(i)", first + second));
 836 }
 837
 838 static const GDBusInterfaceVTable dmp_interface_vtable =
 839 {
 840   dmp_on_method_call,
 841   NULL,  /* get_property */
 842   NULL   /* set_property */
 843 };
 844
 845
 846 /* Runs in thread we created GDBusServer in (since we didn't pass G_DBUS_SERVER_FLAGS_RUN_IN_THREAD) */
 847 static void
 848 dmp_on_new_connection (GDBusServer     *server,
 849                        GDBusConnection *connection,
 850                        gpointer         user_data)
 851 {
 852   DmpData *data = user_data;
 853   GDBusNodeInfo *node;
 854   GError *error;
 855
 856   /* accept the connection */
 857   data->connections = g_list_prepend (data->connections, g_object_ref (connection));
 858
 859   error = NULL;
 860   node = g_dbus_node_info_new_for_xml ("<node>"
 861                                        "  <interface name='org.gtk.GDBus.DmpInterface'>"
 862                                        "    <method name='AddPair'>"
 863                                        "      <arg type='i' name='first' direction='in'/>"
 864                                        "      <arg type='i' name='second' direction='in'/>"
 865                                        "      <arg type='i' name='sum' direction='out'/>"
 866                                        "    </method>"
 867                                        "  </interface>"
 868                                        "</node>",
 869                                        &error);
 870   g_assert_no_error (error);
 871
 872   /* sleep 100ms before exporting an object - this is to test that
 873    * G_DBUS_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING really works
 874    * (GDBusServer uses this feature).
 875    */
 876   usleep (100 * 1000);
 877
 878   /* export an object */
 879   error = NULL;
 880   g_dbus_connection_register_object (connection,
 881                                      "/dmp/test",
 882                                      node->interfaces[0],
 883                                      &dmp_interface_vtable,
 884                                      data,
 885                                      NULL,
 886                                      &error);
 887   g_dbus_node_info_unref (node);
 888 }
 889
 890 static gpointer
 891 dmp_thread_func (gpointer user_data)
 892 {
 893   DmpData *data = user_data;
 894   GError *error;
 895   gchar *guid;
 896
 897   data->context = g_main_context_new ();
 898   g_main_context_push_thread_default (data->context);
 899
 900   error = NULL;
 901   guid = g_dbus_generate_guid ();
 902   data->server = g_dbus_server_new_sync ("unix:tmpdir=/tmp/gdbus-test-",
 903                                          G_DBUS_SERVER_FLAGS_NONE,
 904                                          guid,
 905                                          NULL, /* GDBusAuthObserver */
 906                                          NULL, /* GCancellable */
 907                                          &error);
 908   g_assert_no_error (error);
 909   g_signal_connect (data->server,
 910                     "new-connection",
 911                     G_CALLBACK (dmp_on_new_connection),
 912                     data);
 913
 914   g_dbus_server_start (data->server);
 915
 916   data->loop = g_main_loop_new (data->context, FALSE);
 917   g_main_loop_run (data->loop);
 918
 919   g_main_context_pop_thread_default (data->context);
 920
 921   g_free (guid);
 922   return NULL;
 923 }
 924
 925 static void
 926 delayed_message_processing (void)
 927 {
 928   GError *error;
 929   DmpData *data;
 930   GThread *service_thread;
 931   guint n;
 932
 933   data = g_new0 (DmpData, 1);
 934
 935   error = NULL;
 936   service_thread = g_thread_create (dmp_thread_func,
 937                                     data,
 938                                     TRUE,
 939                                     &error);
 940   while (data->server == NULL || !g_dbus_server_is_active (data->server))
 941     g_thread_yield ();
 942
 943   for (n = 0; n < 5; n++)
 944     {
 945       GDBusConnection *c;
 946       GVariant *res;
 947       gint32 val;
 948
 949       error = NULL;
 950       c = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (data->server),
 951                                                   G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
 952                                                   NULL, /* GDBusAuthObserver */
 953                                                   NULL, /* GCancellable */
 954                                                   &error);
 955       g_assert_no_error (error);
 956
 957       error = NULL;
 958       res = g_dbus_connection_call_sync (c,
 959                                          NULL,    /* bus name */
 960                                          "/dmp/test",
 961                                          "org.gtk.GDBus.DmpInterface",
 962                                          "AddPair",
 963                                          g_variant_new ("(ii)", 2, n),
 964                                          G_VARIANT_TYPE ("(i)"),
 965                                          G_DBUS_CALL_FLAGS_NONE,
 966                                          -1, /* timeout_msec */
 967                                          NULL, /* GCancellable */
 968                                          &error);
 969       g_assert_no_error (error);
 970       g_variant_get (res, "(i)", &val);
 971       g_assert_cmpint (val, ==, 2 + n);
 972       g_variant_unref (res);
 973       g_object_unref (c);
 974   }
 975
 976   g_main_loop_quit (data->loop);
 977   g_thread_join (service_thread);
 978   dmp_data_free (data);
 979 }
 980
 981 /* ---------------------------------------------------------------------------------------------------- */
 982
 983 int
 984 main (int   argc,
 985       char *argv[])
 986 {
 987   gint ret;
 988   GDBusNodeInfo *introspection_data = NULL;
 989
 990   g_type_init ();
 991   g_thread_init (NULL);
 992   g_test_init (&argc, &argv, NULL);
 993
 994   introspection_data = g_dbus_node_info_new_for_xml (test_interface_introspection_xml, NULL);
 995   g_assert (introspection_data != NULL);
 996   test_interface_introspection_data = introspection_data->interfaces[0];
 997
 998   test_guid = g_dbus_generate_guid ();
 999
1000   /* all the tests rely on a shared main loop */
1001   loop = g_main_loop_new (NULL, FALSE);
1002
1003   g_test_add_func ("/gdbus/peer-to-peer", test_peer);
1004   g_test_add_func ("/gdbus/delayed-message-processing", delayed_message_processing);
1005
1006   ret = g_test_run();
1007
1008   g_main_loop_unref (loop);
1009   g_free (test_guid);
1010   g_dbus_node_info_unref (introspection_data);
1011
1012   return ret;
1013 }