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glib/gio/tests/gdbus-export.c
David Zeuthen 70dacf83d2 Bug 665733 – GDBusConnection holds lock while calling destroynotify 
Fix this problem by always running the destroynotify from an idle.

https://bugzilla.gnome.org/show_bug.cgi?id=665733

Signed-off-by: David Zeuthen <davidz@redhat.com>
2011-12-07 10:30:42 -05:00

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55 KiB
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/* GLib testing framework examples and tests
*
* Copyright (C) 2008-2010 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: David Zeuthen <davidz@redhat.com>
*/
#include <gio/gio.h>
#include <unistd.h>
#include <string.h>
#include "gdbus-tests.h"
/* all tests rely on a shared mainloop */
static GMainLoop *loop = NULL;
static GDBusConnection *c = NULL;
/* ---------------------------------------------------------------------------------------------------- */
/* Test that we can export objects, the hierarchy is correct and the right handlers are invoked */
/* ---------------------------------------------------------------------------------------------------- */
static const GDBusArgInfo foo_method1_in_args =
{
-1,
"an_input_string",
"s",
NULL
};
static const GDBusArgInfo * const foo_method1_in_arg_pointers[] = {&foo_method1_in_args, NULL};
static const GDBusArgInfo foo_method1_out_args =
{
-1,
"an_output_string",
"s",
NULL
};
static const GDBusArgInfo * const foo_method1_out_arg_pointers[] = {&foo_method1_out_args, NULL};
static const GDBusMethodInfo foo_method_info_method1 =
{
-1,
"Method1",
(GDBusArgInfo **) &foo_method1_in_arg_pointers,
(GDBusArgInfo **) &foo_method1_out_arg_pointers,
NULL
};
static const GDBusMethodInfo foo_method_info_method2 =
{
-1,
"Method2",
NULL,
NULL,
NULL
};
static const GDBusMethodInfo * const foo_method_info_pointers[] = {&foo_method_info_method1, &foo_method_info_method2, NULL};
static const GDBusSignalInfo foo_signal_info =
{
-1,
"SignalAlpha",
NULL,
NULL
};
static const GDBusSignalInfo * const foo_signal_info_pointers[] = {&foo_signal_info, NULL};
static const GDBusPropertyInfo foo_property_info[] =
{
{
-1,
"PropertyUno",
"s",
G_DBUS_PROPERTY_INFO_FLAGS_READABLE | G_DBUS_PROPERTY_INFO_FLAGS_WRITABLE,
NULL
},
{
-1,
"NotWritable",
"s",
G_DBUS_PROPERTY_INFO_FLAGS_READABLE,
NULL
},
{
-1,
"NotReadable",
"s",
G_DBUS_PROPERTY_INFO_FLAGS_WRITABLE,
NULL
}
};
static const GDBusPropertyInfo * const foo_property_info_pointers[] =
{
&foo_property_info[0],
&foo_property_info[1],
&foo_property_info[2],
NULL
};
static const GDBusInterfaceInfo foo_interface_info =
{
-1,
"org.example.Foo",
(GDBusMethodInfo **) &foo_method_info_pointers,
(GDBusSignalInfo **) &foo_signal_info_pointers,
(GDBusPropertyInfo **)&foo_property_info_pointers,
NULL,
};
static void
foo_method_call (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
if (g_strcmp0 (method_name, "Method1") == 0)
{
const gchar *input;
gchar *output;
g_variant_get (parameters, "(&s)", &input);
output = g_strdup_printf ("You passed the string `%s'. Jolly good!", input);
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", output));
g_free (output);
}
else
{
g_dbus_method_invocation_return_dbus_error (invocation,
"org.example.SomeError",
"How do you like them apples, buddy!");
}
}
static GVariant *
foo_get_property (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *property_name,
GError **error,
gpointer user_data)
{
GVariant *ret;
gchar *s;
s = g_strdup_printf ("Property `%s' Is What It Is!", property_name);
ret = g_variant_new_string (s);
g_free (s);
return ret;
}
static gboolean
foo_set_property (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *property_name,
GVariant *value,
GError **error,
gpointer user_data)
{
gchar *s;
s = g_variant_print (value, TRUE);
g_set_error (error,
G_DBUS_ERROR,
G_DBUS_ERROR_SPAWN_FILE_INVALID,
"Returning some error instead of writing the value `%s' to the property `%s'",
property_name, s);
g_free (s);
return FALSE;
}
static const GDBusInterfaceVTable foo_vtable =
{
foo_method_call,
foo_get_property,
foo_set_property
};
/* -------------------- */
static const GDBusMethodInfo bar_method_info[] =
{
{
-1,
"MethodA",
NULL,
NULL,
NULL
},
{
-1,
"MethodB",
NULL,
NULL,
NULL
}
};
static const GDBusMethodInfo * const bar_method_info_pointers[] = {&bar_method_info[0], &bar_method_info[1], NULL};
static const GDBusSignalInfo bar_signal_info[] =
{
{
-1,
"SignalMars",
NULL,
NULL
}
};
static const GDBusSignalInfo * const bar_signal_info_pointers[] = {&bar_signal_info[0], NULL};
static const GDBusPropertyInfo bar_property_info[] =
{
{
-1,
"PropertyDuo",
"s",
G_DBUS_PROPERTY_INFO_FLAGS_READABLE,
NULL
}
};
static const GDBusPropertyInfo * const bar_property_info_pointers[] = {&bar_property_info[0], NULL};
static const GDBusInterfaceInfo bar_interface_info =
{
-1,
"org.example.Bar",
(GDBusMethodInfo **) bar_method_info_pointers,
(GDBusSignalInfo **) bar_signal_info_pointers,
(GDBusPropertyInfo **) bar_property_info_pointers,
NULL,
};
/* -------------------- */
static const GDBusMethodInfo dyna_method_info[] =
{
{
-1,
"DynaCyber",
NULL,
NULL,
NULL
}
};
static const GDBusMethodInfo * const dyna_method_info_pointers[] = {&dyna_method_info[0], NULL};
static const GDBusInterfaceInfo dyna_interface_info =
{
-1,
"org.example.Dyna",
(GDBusMethodInfo **) dyna_method_info_pointers,
NULL, /* no signals */
NULL, /* no properties */
NULL,
};
static void
dyna_cyber (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
GPtrArray *data = user_data;
gchar *node_name;
guint n;
node_name = strrchr (object_path, '/') + 1;
/* Add new node if it is not already known */
for (n = 0; n < data->len ; n++)
{
if (g_strcmp0 (g_ptr_array_index (data, n), node_name) == 0)
goto out;
}
g_ptr_array_add (data, g_strdup(node_name));
out:
g_dbus_method_invocation_return_value (invocation, NULL);
}
static const GDBusInterfaceVTable dyna_interface_vtable =
{
dyna_cyber,
NULL,
NULL
};
/* ---------------------------------------------------------------------------------------------------- */
static void
introspect_callback (GDBusProxy *proxy,
GAsyncResult *res,
gpointer user_data)
{
gchar **xml_data = user_data;
GVariant *result;
GError *error;
error = NULL;
result = g_dbus_proxy_call_finish (proxy,
res,
&error);
g_assert_no_error (error);
g_assert (result != NULL);
g_variant_get (result, "(s)", xml_data);
g_variant_unref (result);
g_main_loop_quit (loop);
}
static gchar **
get_nodes_at (GDBusConnection *c,
const gchar *object_path)
{
GError *error;
GDBusProxy *proxy;
gchar *xml_data;
GPtrArray *p;
GDBusNodeInfo *node_info;
guint n;
error = NULL;
proxy = g_dbus_proxy_new_sync (c,
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES |
G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
NULL,
g_dbus_connection_get_unique_name (c),
object_path,
"org.freedesktop.DBus.Introspectable",
NULL,
&error);
g_assert_no_error (error);
g_assert (proxy != NULL);
/* do this async to avoid libdbus-1 deadlocks */
xml_data = NULL;
g_dbus_proxy_call (proxy,
"Introspect",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
(GAsyncReadyCallback) introspect_callback,
&xml_data);
g_main_loop_run (loop);
g_assert (xml_data != NULL);
node_info = g_dbus_node_info_new_for_xml (xml_data, &error);
g_assert_no_error (error);
g_assert (node_info != NULL);
p = g_ptr_array_new ();
for (n = 0; node_info->nodes != NULL && node_info->nodes[n] != NULL; n++)
{
const GDBusNodeInfo *sub_node_info = node_info->nodes[n];
g_ptr_array_add (p, g_strdup (sub_node_info->path));
}
g_ptr_array_add (p, NULL);
g_object_unref (proxy);
g_free (xml_data);
g_dbus_node_info_unref (node_info);
return (gchar **) g_ptr_array_free (p, FALSE);
}
static gboolean
has_interface (GDBusConnection *c,
const gchar *object_path,
const gchar *interface_name)
{
GError *error;
GDBusProxy *proxy;
gchar *xml_data;
GDBusNodeInfo *node_info;
gboolean ret;
error = NULL;
proxy = g_dbus_proxy_new_sync (c,
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES |
G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
NULL,
g_dbus_connection_get_unique_name (c),
object_path,
"org.freedesktop.DBus.Introspectable",
NULL,
&error);
g_assert_no_error (error);
g_assert (proxy != NULL);
/* do this async to avoid libdbus-1 deadlocks */
xml_data = NULL;
g_dbus_proxy_call (proxy,
"Introspect",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
(GAsyncReadyCallback) introspect_callback,
&xml_data);
g_main_loop_run (loop);
g_assert (xml_data != NULL);
node_info = g_dbus_node_info_new_for_xml (xml_data, &error);
g_assert_no_error (error);
g_assert (node_info != NULL);
ret = (g_dbus_node_info_lookup_interface (node_info, interface_name) != NULL);
g_object_unref (proxy);
g_free (xml_data);
g_dbus_node_info_unref (node_info);
return ret;
}
static guint
count_interfaces (GDBusConnection *c,
const gchar *object_path)
{
GError *error;
GDBusProxy *proxy;
gchar *xml_data;
GDBusNodeInfo *node_info;
guint ret;
error = NULL;
proxy = g_dbus_proxy_new_sync (c,
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES |
G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
NULL,
g_dbus_connection_get_unique_name (c),
object_path,
"org.freedesktop.DBus.Introspectable",
NULL,
&error);
g_assert_no_error (error);
g_assert (proxy != NULL);
/* do this async to avoid libdbus-1 deadlocks */
xml_data = NULL;
g_dbus_proxy_call (proxy,
"Introspect",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
(GAsyncReadyCallback) introspect_callback,
&xml_data);
g_main_loop_run (loop);
g_assert (xml_data != NULL);
node_info = g_dbus_node_info_new_for_xml (xml_data, &error);
g_assert_no_error (error);
g_assert (node_info != NULL);
ret = 0;
while (node_info->interfaces != NULL && node_info->interfaces[ret] != NULL)
ret++;
g_object_unref (proxy);
g_free (xml_data);
g_dbus_node_info_unref (node_info);
return ret;
}
static void
dyna_create_callback (GDBusProxy *proxy,
GAsyncResult *res,
gpointer user_data)
{
GVariant *result;
GError *error;
error = NULL;
result = g_dbus_proxy_call_finish (proxy,
res,
&error);
g_assert_no_error (error);
g_assert (result != NULL);
g_variant_unref (result);
g_main_loop_quit (loop);
}
/* Dynamically create @object_name under /foo/dyna */
static void
dyna_create (GDBusConnection *c,
const gchar *object_name)
{
GError *error;
GDBusProxy *proxy;
gchar *object_path;
object_path = g_strconcat ("/foo/dyna/", object_name, NULL);
error = NULL;
proxy = g_dbus_proxy_new_sync (c,
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES |
G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
NULL,
g_dbus_connection_get_unique_name (c),
object_path,
"org.example.Dyna",
NULL,
&error);
g_assert_no_error (error);
g_assert (proxy != NULL);
/* do this async to avoid libdbus-1 deadlocks */
g_dbus_proxy_call (proxy,
"DynaCyber",
g_variant_new ("()"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
(GAsyncReadyCallback) dyna_create_callback,
NULL);
g_main_loop_run (loop);
g_assert_no_error (error);
g_object_unref (proxy);
g_free (object_path);
return;
}
typedef struct
{
guint num_unregistered_calls;
guint num_unregistered_subtree_calls;
guint num_subtree_nodes;
} ObjectRegistrationData;
static void
on_object_unregistered (gpointer user_data)
{
ObjectRegistrationData *data = user_data;
data->num_unregistered_calls++;
}
static void
on_subtree_unregistered (gpointer user_data)
{
ObjectRegistrationData *data = user_data;
data->num_unregistered_subtree_calls++;
}
static gboolean
_g_strv_has_string (const gchar* const * haystack,
const gchar *needle)
{
guint n;
for (n = 0; haystack != NULL && haystack[n] != NULL; n++)
{
if (g_strcmp0 (haystack[n], needle) == 0)
return TRUE;
}
return FALSE;
}
/* -------------------- */
static gchar **
subtree_enumerate (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
gpointer user_data)
{
ObjectRegistrationData *data = user_data;
GPtrArray *p;
gchar **nodes;
guint n;
p = g_ptr_array_new ();
for (n = 0; n < data->num_subtree_nodes; n++)
{
g_ptr_array_add (p, g_strdup_printf ("vp%d", n));
g_ptr_array_add (p, g_strdup_printf ("evp%d", n));
}
g_ptr_array_add (p, NULL);
nodes = (gchar **) g_ptr_array_free (p, FALSE);
return nodes;
}
/* Only allows certain objects, and aborts on unknowns */
static GDBusInterfaceInfo **
subtree_introspect (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *node,
gpointer user_data)
{
const GDBusInterfaceInfo *interfaces[2] = {
NULL /* filled in below */, NULL
};
/* VPs implement the Foo interface, EVPs implement the Bar interface. The root
* does not implement any interfaces
*/
if (node == NULL)
{
return NULL;
}
else if (g_str_has_prefix (node, "vp"))
{
interfaces[0] = &foo_interface_info;
}
else if (g_str_has_prefix (node, "evp"))
{
interfaces[0] = &bar_interface_info;
}
else
{
g_assert_not_reached ();
}
return g_memdup (interfaces, 2 * sizeof (void *));
}
static const GDBusInterfaceVTable *
subtree_dispatch (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *node,
gpointer *out_user_data,
gpointer user_data)
{
if (g_strcmp0 (interface_name, "org.example.Foo") == 0)
return &foo_vtable;
else
return NULL;
}
static const GDBusSubtreeVTable subtree_vtable =
{
subtree_enumerate,
subtree_introspect,
subtree_dispatch
};
/* -------------------- */
static gchar **
dynamic_subtree_enumerate (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
gpointer user_data)
{
GPtrArray *data = user_data;
gchar **nodes = g_new (gchar*, data->len + 1);
guint n;
for (n = 0; n < data->len; n++)
{
nodes[n] = g_strdup (g_ptr_array_index (data, n));
}
nodes[data->len] = NULL;
return nodes;
}
/* Allow all objects to be introspected */
static GDBusInterfaceInfo **
dynamic_subtree_introspect (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *node,
gpointer user_data)
{
const GDBusInterfaceInfo *interfaces[2] = { &dyna_interface_info, NULL };
return g_memdup (interfaces, 2 * sizeof (void *));
}
static const GDBusInterfaceVTable *
dynamic_subtree_dispatch (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *node,
gpointer *out_user_data,
gpointer user_data)
{
*out_user_data = user_data;
return &dyna_interface_vtable;
}
static const GDBusSubtreeVTable dynamic_subtree_vtable =
{
dynamic_subtree_enumerate,
dynamic_subtree_introspect,
dynamic_subtree_dispatch
};
/* -------------------- */
static gpointer
test_dispatch_thread_func (gpointer user_data)
{
const gchar *object_path = user_data;
GDBusProxy *foo_proxy;
GVariant *value;
GVariant *inner;
GError *error;
gchar *s;
const gchar *value_str;
foo_proxy = g_dbus_proxy_new_sync (c,
G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS |
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
NULL,
g_dbus_connection_get_unique_name (c),
object_path,
"org.example.Foo",
NULL,
&error);
g_assert (foo_proxy != NULL);
/* generic interfaces */
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"org.freedesktop.DBus.Peer.Ping",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert (value != NULL);
g_variant_unref (value);
/* user methods */
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"Method1",
g_variant_new ("(s)", "winwinwin"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert (value != NULL);
g_assert (g_variant_is_of_type (value, G_VARIANT_TYPE ("(s)")));
g_variant_get (value, "(&s)", &value_str);
g_assert_cmpstr (value_str, ==, "You passed the string `winwinwin'. Jolly good!");
g_variant_unref (value);
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"Method2",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_DBUS_ERROR);
g_assert_cmpstr (error->message, ==, "GDBus.Error:org.example.SomeError: How do you like them apples, buddy!");
g_error_free (error);
g_assert (value == NULL);
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"Method2",
g_variant_new ("(s)", "failfailfail"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS);
g_assert_cmpstr (error->message, ==, "GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: Type of message, `(s)', does not match expected type `()'");
g_error_free (error);
g_assert (value == NULL);
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"NonExistantMethod",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_error (error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD);
g_assert_cmpstr (error->message, ==, "GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such method `NonExistantMethod'");
g_error_free (error);
g_assert (value == NULL);
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"org.example.FooXYZ.NonExistant",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_error (error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD);
g_error_free (error);
g_assert (value == NULL);
/* user properties */
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"org.freedesktop.DBus.Properties.Get",
g_variant_new ("(ss)",
"org.example.Foo",
"PropertyUno"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert (value != NULL);
g_assert (g_variant_is_of_type (value, G_VARIANT_TYPE ("(v)")));
g_variant_get (value, "(v)", &inner);
g_assert (g_variant_is_of_type (inner, G_VARIANT_TYPE_STRING));
g_assert_cmpstr (g_variant_get_string (inner, NULL), ==, "Property `PropertyUno' Is What It Is!");
g_variant_unref (value);
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"org.freedesktop.DBus.Properties.Get",
g_variant_new ("(ss)",
"org.example.Foo",
"ThisDoesntExist"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert (value == NULL);
g_assert_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS);
g_assert_cmpstr (error->message, ==, "GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: No such property `ThisDoesntExist'");
g_error_free (error);
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"org.freedesktop.DBus.Properties.Get",
g_variant_new ("(ss)",
"org.example.Foo",
"NotReadable"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert (value == NULL);
g_assert_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS);
g_assert_cmpstr (error->message, ==, "GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: Property `NotReadable' is not readable");
g_error_free (error);
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"org.freedesktop.DBus.Properties.Set",
g_variant_new ("(ssv)",
"org.example.Foo",
"NotReadable",
g_variant_new_string ("But Writable you are!")),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert (value == NULL);
g_assert_error (error, G_DBUS_ERROR, G_DBUS_ERROR_SPAWN_FILE_INVALID);
g_assert_cmpstr (error->message, ==, "GDBus.Error:org.freedesktop.DBus.Error.Spawn.FileInvalid: Returning some error instead of writing the value `NotReadable' to the property `'But Writable you are!''");
g_error_free (error);
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"org.freedesktop.DBus.Properties.Set",
g_variant_new ("(ssv)",
"org.example.Foo",
"NotWritable",
g_variant_new_uint32 (42)),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert (value == NULL);
g_assert_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS);
g_assert_cmpstr (error->message, ==, "GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: Property `NotWritable' is not writable");
g_error_free (error);
error = NULL;
value = g_dbus_proxy_call_sync (foo_proxy,
"org.freedesktop.DBus.Properties.GetAll",
g_variant_new ("(s)",
"org.example.Foo"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert (value != NULL);
g_assert (g_variant_is_of_type (value, G_VARIANT_TYPE ("(a{sv})")));
s = g_variant_print (value, TRUE);
g_assert_cmpstr (s, ==, "({'PropertyUno': <\"Property `PropertyUno' Is What It Is!\">, 'NotWritable': <\"Property `NotWritable' Is What It Is!\">},)");
g_free (s);
g_variant_unref (value);
g_object_unref (foo_proxy);
g_main_loop_quit (loop);
return NULL;
}
static void
test_dispatch (const gchar *object_path)
{
GThread *thread;
/* run this in a thread to avoid deadlocks */
thread = g_thread_new ("test_dispatch",
test_dispatch_thread_func,
(gpointer) object_path);
g_main_loop_run (loop);
g_thread_join (thread);
}
static void
test_object_registration (void)
{
GError *error;
ObjectRegistrationData data;
GPtrArray *dyna_data;
gchar **nodes;
guint boss_foo_reg_id;
guint boss_bar_reg_id;
guint worker1_foo_reg_id;
guint worker1p1_foo_reg_id;
guint worker2_bar_reg_id;
guint intern1_foo_reg_id;
guint intern2_bar_reg_id;
guint intern2_foo_reg_id;
guint intern3_bar_reg_id;
guint registration_id;
guint subtree_registration_id;
guint non_subtree_object_path_foo_reg_id;
guint non_subtree_object_path_bar_reg_id;
guint dyna_subtree_registration_id;
guint num_successful_registrations;
data.num_unregistered_calls = 0;
data.num_unregistered_subtree_calls = 0;
data.num_subtree_nodes = 0;
num_successful_registrations = 0;
error = NULL;
c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
g_assert_no_error (error);
g_assert (c != NULL);
registration_id = g_dbus_connection_register_object (c,
"/foo/boss",
(GDBusInterfaceInfo *) &foo_interface_info,
&foo_vtable,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
boss_foo_reg_id = registration_id;
num_successful_registrations++;
registration_id = g_dbus_connection_register_object (c,
"/foo/boss",
(GDBusInterfaceInfo *) &bar_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
boss_bar_reg_id = registration_id;
num_successful_registrations++;
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/worker1",
(GDBusInterfaceInfo *) &foo_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
worker1_foo_reg_id = registration_id;
num_successful_registrations++;
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/worker1p1",
(GDBusInterfaceInfo *) &foo_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
worker1p1_foo_reg_id = registration_id;
num_successful_registrations++;
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/worker2",
(GDBusInterfaceInfo *) &bar_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
worker2_bar_reg_id = registration_id;
num_successful_registrations++;
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/interns/intern1",
(GDBusInterfaceInfo *) &foo_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
intern1_foo_reg_id = registration_id;
num_successful_registrations++;
/* ... and try again at another path */
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/interns/intern2",
(GDBusInterfaceInfo *) &bar_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
intern2_bar_reg_id = registration_id;
num_successful_registrations++;
/* register at the same path/interface - this should fail */
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/interns/intern2",
(GDBusInterfaceInfo *) &bar_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_EXISTS);
g_assert (!g_dbus_error_is_remote_error (error));
g_error_free (error);
error = NULL;
g_assert (registration_id == 0);
/* register at different interface - shouldn't fail */
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/interns/intern2",
(GDBusInterfaceInfo *) &foo_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
intern2_foo_reg_id = registration_id;
num_successful_registrations++;
/* unregister it via the id */
g_assert (g_dbus_connection_unregister_object (c, registration_id));
g_main_context_iteration (NULL, FALSE);
g_assert_cmpint (data.num_unregistered_calls, ==, 1);
intern2_foo_reg_id = 0;
/* register it back */
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/interns/intern2",
(GDBusInterfaceInfo *) &foo_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
intern2_foo_reg_id = registration_id;
num_successful_registrations++;
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/interns/intern3",
(GDBusInterfaceInfo *) &bar_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
intern3_bar_reg_id = registration_id;
num_successful_registrations++;
/* now register a whole subtree at /foo/boss/executives */
subtree_registration_id = g_dbus_connection_register_subtree (c,
"/foo/boss/executives",
&subtree_vtable,
G_DBUS_SUBTREE_FLAGS_NONE,
&data,
on_subtree_unregistered,
&error);
g_assert_no_error (error);
g_assert (subtree_registration_id > 0);
/* try registering it again.. this should fail */
registration_id = g_dbus_connection_register_subtree (c,
"/foo/boss/executives",
&subtree_vtable,
G_DBUS_SUBTREE_FLAGS_NONE,
&data,
on_subtree_unregistered,
&error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_EXISTS);
g_assert (!g_dbus_error_is_remote_error (error));
g_error_free (error);
error = NULL;
g_assert (registration_id == 0);
/* unregister it, then register it again */
g_assert_cmpint (data.num_unregistered_subtree_calls, ==, 0);
g_assert (g_dbus_connection_unregister_subtree (c, subtree_registration_id));
g_main_context_iteration (NULL, FALSE);
g_assert_cmpint (data.num_unregistered_subtree_calls, ==, 1);
subtree_registration_id = g_dbus_connection_register_subtree (c,
"/foo/boss/executives",
&subtree_vtable,
G_DBUS_SUBTREE_FLAGS_NONE,
&data,
on_subtree_unregistered,
&error);
g_assert_no_error (error);
g_assert (subtree_registration_id > 0);
/* try to register something under /foo/boss/executives - this should work
* because registered subtrees and registered objects can coexist.
*
* Make the exported object implement *two* interfaces so we can check
* that the right introspection handler is invoked.
*/
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/executives/non_subtree_object",
(GDBusInterfaceInfo *) &bar_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
non_subtree_object_path_bar_reg_id = registration_id;
num_successful_registrations++;
registration_id = g_dbus_connection_register_object (c,
"/foo/boss/executives/non_subtree_object",
(GDBusInterfaceInfo *) &foo_interface_info,
NULL,
&data,
on_object_unregistered,
&error);
g_assert_no_error (error);
g_assert (registration_id > 0);
non_subtree_object_path_foo_reg_id = registration_id;
num_successful_registrations++;
/* now register a dynamic subtree, spawning objects as they are called */
dyna_data = g_ptr_array_new ();
dyna_subtree_registration_id = g_dbus_connection_register_subtree (c,
"/foo/dyna",
&dynamic_subtree_vtable,
G_DBUS_SUBTREE_FLAGS_DISPATCH_TO_UNENUMERATED_NODES,
dyna_data,
(GDestroyNotify)g_ptr_array_unref,
&error);
g_assert_no_error (error);
g_assert (dyna_subtree_registration_id > 0);
/* First assert that we have no nodes in the dynamic subtree */
nodes = get_nodes_at (c, "/foo/dyna");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 0);
g_strfreev (nodes);
g_assert_cmpint (count_interfaces (c, "/foo/dyna"), ==, 4);
/* Install three nodes in the dynamic subtree via the dyna_data backdoor and
* assert that they show up correctly in the introspection data */
g_ptr_array_add (dyna_data, "lol");
g_ptr_array_add (dyna_data, "cat");
g_ptr_array_add (dyna_data, "cheezburger");
nodes = get_nodes_at (c, "/foo/dyna");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 3);
g_assert_cmpstr (nodes[0], ==, "lol");
g_assert_cmpstr (nodes[1], ==, "cat");
g_assert_cmpstr (nodes[2], ==, "cheezburger");
g_strfreev (nodes);
g_assert_cmpint (count_interfaces (c, "/foo/dyna/lol"), ==, 4);
g_assert_cmpint (count_interfaces (c, "/foo/dyna/cat"), ==, 4);
g_assert_cmpint (count_interfaces (c, "/foo/dyna/cheezburger"), ==, 4);
/* Call a non-existing object path and assert that it has been created */
dyna_create (c, "dynamicallycreated");
nodes = get_nodes_at (c, "/foo/dyna");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 4);
g_assert_cmpstr (nodes[0], ==, "lol");
g_assert_cmpstr (nodes[1], ==, "cat");
g_assert_cmpstr (nodes[2], ==, "cheezburger");
g_assert_cmpstr (nodes[3], ==, "dynamicallycreated");
g_strfreev (nodes);
g_assert_cmpint (count_interfaces (c, "/foo/dyna/dynamicallycreated"), ==, 4);
/* now check that the object hierarachy is properly generated... yes, it's a bit
* perverse that we round-trip to the bus to introspect ourselves ;-)
*/
nodes = get_nodes_at (c, "/");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 1);
g_assert_cmpstr (nodes[0], ==, "foo");
g_strfreev (nodes);
g_assert_cmpint (count_interfaces (c, "/"), ==, 0);
nodes = get_nodes_at (c, "/foo");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 2);
g_assert_cmpstr (nodes[0], ==, "boss");
g_assert_cmpstr (nodes[1], ==, "dyna");
g_strfreev (nodes);
g_assert_cmpint (count_interfaces (c, "/foo"), ==, 0);
nodes = get_nodes_at (c, "/foo/boss");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 5);
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "worker1"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "worker1p1"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "worker2"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "interns"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "executives"));
g_strfreev (nodes);
/* any registered object always implement org.freedesktop.DBus.[Peer,Introspectable,Properties] */
g_assert_cmpint (count_interfaces (c, "/foo/boss"), ==, 5);
g_assert (has_interface (c, "/foo/boss", foo_interface_info.name));
g_assert (has_interface (c, "/foo/boss", bar_interface_info.name));
/* check subtree nodes - we should have only non_subtree_object in /foo/boss/executives
* because data.num_subtree_nodes is 0
*/
nodes = get_nodes_at (c, "/foo/boss/executives");
g_assert (nodes != NULL);
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "non_subtree_object"));
g_assert_cmpint (g_strv_length (nodes), ==, 1);
g_strfreev (nodes);
g_assert_cmpint (count_interfaces (c, "/foo/boss/executives"), ==, 0);
/* now change data.num_subtree_nodes and check */
data.num_subtree_nodes = 2;
nodes = get_nodes_at (c, "/foo/boss/executives");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 5);
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "non_subtree_object"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "vp0"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "vp1"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "evp0"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "evp1"));
/* check that /foo/boss/executives/non_subtree_object is not handled by the
* subtree handlers - we can do this because objects from subtree handlers
* has exactly one interface and non_subtree_object has two
*/
g_assert_cmpint (count_interfaces (c, "/foo/boss/executives/non_subtree_object"), ==, 5);
g_assert (has_interface (c, "/foo/boss/executives/non_subtree_object", foo_interface_info.name));
g_assert (has_interface (c, "/foo/boss/executives/non_subtree_object", bar_interface_info.name));
/* check that the vp and evp objects are handled by the subtree handlers */
g_assert_cmpint (count_interfaces (c, "/foo/boss/executives/vp0"), ==, 4);
g_assert_cmpint (count_interfaces (c, "/foo/boss/executives/vp1"), ==, 4);
g_assert_cmpint (count_interfaces (c, "/foo/boss/executives/evp0"), ==, 4);
g_assert_cmpint (count_interfaces (c, "/foo/boss/executives/evp1"), ==, 4);
g_assert (has_interface (c, "/foo/boss/executives/vp0", foo_interface_info.name));
g_assert (has_interface (c, "/foo/boss/executives/vp1", foo_interface_info.name));
g_assert (has_interface (c, "/foo/boss/executives/evp0", bar_interface_info.name));
g_assert (has_interface (c, "/foo/boss/executives/evp1", bar_interface_info.name));
g_strfreev (nodes);
data.num_subtree_nodes = 3;
nodes = get_nodes_at (c, "/foo/boss/executives");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 7);
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "non_subtree_object"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "vp0"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "vp1"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "vp2"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "evp0"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "evp1"));
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "evp2"));
g_strfreev (nodes);
/* This is to check that a bug (rather, class of bugs) in gdbusconnection.c's
*
* g_dbus_connection_list_registered_unlocked()
*
* where /foo/boss/worker1 reported a child '1', is now fixed.
*/
nodes = get_nodes_at (c, "/foo/boss/worker1");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 0);
g_strfreev (nodes);
/* check that calls are properly dispatched to the functions in foo_vtable for objects
* implementing the org.example.Foo interface
*
* We do this for both a regular registered object (/foo/boss) and also for an object
* registered through the subtree mechanism.
*/
test_dispatch ("/foo/boss");
test_dispatch ("/foo/boss/executives/vp0");
/* To prevent from exiting and attaching a D-Bus tool like D-Feet; uncomment: */
#if 0
g_debug ("Point D-feet or other tool at: %s", session_bus_get_temporary_address());
g_main_loop_run (loop);
#endif
/* check that unregistering the subtree handler works */
g_assert_cmpint (data.num_unregistered_subtree_calls, ==, 1);
g_assert (g_dbus_connection_unregister_subtree (c, subtree_registration_id));
g_main_context_iteration (NULL, FALSE);
g_assert_cmpint (data.num_unregistered_subtree_calls, ==, 2);
nodes = get_nodes_at (c, "/foo/boss/executives");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 1);
g_assert (_g_strv_has_string ((const gchar* const *) nodes, "non_subtree_object"));
g_strfreev (nodes);
g_assert (g_dbus_connection_unregister_object (c, boss_foo_reg_id));
g_assert (g_dbus_connection_unregister_object (c, boss_bar_reg_id));
g_assert (g_dbus_connection_unregister_object (c, worker1_foo_reg_id));
g_assert (g_dbus_connection_unregister_object (c, worker1p1_foo_reg_id));
g_assert (g_dbus_connection_unregister_object (c, worker2_bar_reg_id));
g_assert (g_dbus_connection_unregister_object (c, intern1_foo_reg_id));
g_assert (g_dbus_connection_unregister_object (c, intern2_bar_reg_id));
g_assert (g_dbus_connection_unregister_object (c, intern2_foo_reg_id));
g_assert (g_dbus_connection_unregister_object (c, intern3_bar_reg_id));
g_assert (g_dbus_connection_unregister_object (c, non_subtree_object_path_bar_reg_id));
g_assert (g_dbus_connection_unregister_object (c, non_subtree_object_path_foo_reg_id));
g_main_context_iteration (NULL, FALSE);
g_assert_cmpint (data.num_unregistered_calls, ==, num_successful_registrations);
/* check that we no longer export any objects - TODO: it looks like there's a bug in
* libdbus-1 here: libdbus still reports the '/foo' object; so disable the test for now
*/
#if 0
nodes = get_nodes_at (c, "/");
g_assert (nodes != NULL);
g_assert_cmpint (g_strv_length (nodes), ==, 0);
g_strfreev (nodes);
#endif
g_object_unref (c);
}
static const GDBusInterfaceInfo test_interface_info1 =
{
-1,
"org.example.Foo",
(GDBusMethodInfo **) NULL,
(GDBusSignalInfo **) NULL,
(GDBusPropertyInfo **) NULL,
NULL,
};
static const GDBusInterfaceInfo test_interface_info2 =
{
-1,
"org.freedesktop.DBus.Properties",
(GDBusMethodInfo **) NULL,
(GDBusSignalInfo **) NULL,
(GDBusPropertyInfo **) NULL,
NULL,
};
static void
check_interfaces (GDBusConnection *c,
const gchar *object_path,
const gchar **interfaces)
{
GError *error;
GDBusProxy *proxy;
gchar *xml_data;
GDBusNodeInfo *node_info;
gint i, j;
error = NULL;
proxy = g_dbus_proxy_new_sync (c,
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES |
G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
NULL,
g_dbus_connection_get_unique_name (c),
object_path,
"org.freedesktop.DBus.Introspectable",
NULL,
&error);
g_assert_no_error (error);
g_assert (proxy != NULL);
/* do this async to avoid libdbus-1 deadlocks */
xml_data = NULL;
g_dbus_proxy_call (proxy,
"Introspect",
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
(GAsyncReadyCallback) introspect_callback,
&xml_data);
g_main_loop_run (loop);
g_assert (xml_data != NULL);
node_info = g_dbus_node_info_new_for_xml (xml_data, &error);
g_assert_no_error (error);
g_assert (node_info != NULL);
g_assert (node_info->interfaces != NULL);
for (i = 0; node_info->interfaces[i]; i++) ;
#if 0
if (g_strv_length ((gchar**)interfaces) != i - 1)
{
g_print ("expected ");
for (i = 0; interfaces[i]; i++)
g_print ("%s ", interfaces[i]);
g_print ("\ngot ");
for (i = 0; node_info->interfaces[i]; i++)
g_print ("%s ", node_info->interfaces[i]->name);
g_print ("\n");
}
#endif
g_assert_cmpint (g_strv_length ((gchar**)interfaces), ==, i - 1);
for (i = 0; interfaces[i]; i++)
{
for (j = 0; node_info->interfaces[j]; j++)
{
if (strcmp (interfaces[i], node_info->interfaces[j]->name) == 0)
goto found;
}
g_assert_not_reached ();
found: ;
}
g_object_unref (proxy);
g_free (xml_data);
g_dbus_node_info_unref (node_info);
}
static void
test_registered_interfaces (void)
{
GError *error;
guint id1, id2;
const gchar *interfaces[] = {
"org.example.Foo",
"org.freedesktop.DBus.Properties",
"org.freedesktop.DBus.Introspectable",
NULL,
};
error = NULL;
c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
g_assert_no_error (error);
g_assert (c != NULL);
id1 = g_dbus_connection_register_object (c,
"/test",
(GDBusInterfaceInfo *) &test_interface_info1,
NULL,
NULL,
NULL,
&error);
g_assert_no_error (error);
g_assert (id1 > 0);
id2 = g_dbus_connection_register_object (c,
"/test",
(GDBusInterfaceInfo *) &test_interface_info2,
NULL,
NULL,
NULL,
&error);
g_assert_no_error (error);
g_assert (id2 > 0);
check_interfaces (c, "/test", interfaces);
g_assert (g_dbus_connection_unregister_object (c, id1));
g_assert (g_dbus_connection_unregister_object (c, id2));
g_object_unref (c);
}
/* ---------------------------------------------------------------------------------------------------- */
int
main (int argc,
char *argv[])
{
gint ret;
g_type_init ();
g_test_init (&argc, &argv, NULL);
/* all the tests rely on a shared main loop */
loop = g_main_loop_new (NULL, FALSE);
/* all the tests use a session bus with a well-known address that we can bring up and down
* using session_bus_up() and session_bus_down().
*/
g_unsetenv ("DISPLAY");
g_setenv ("DBUS_SESSION_BUS_ADDRESS", session_bus_get_temporary_address (), TRUE);
session_bus_up ();
/* TODO: wait a bit for the bus to come up.. ideally session_bus_up() won't return
* until one can connect to the bus but that's not how things work right now
*/
usleep (500 * 1000);
g_test_add_func ("/gdbus/object-registration", test_object_registration);
g_test_add_func ("/gdbus/registered-interfaces", test_registered_interfaces);
/* TODO: check that we spit out correct introspection data */
/* TODO: check that registering a whole subtree works */
ret = g_test_run();
/* tear down bus */
session_bus_down ();
return ret;
}
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