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GDBusInterfaceSkeleton: make it possible to export on multiple connections

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This is useful in peer-to-peer connections.

With minor changes by David Zeuthen <davidz@redhat.com>.

https://bugzilla.gnome.org/show_bug.cgi?id=662718

Signed-off-by: David Zeuthen <davidz@redhat.com>
This commit is contained in:
Tristan Van Berkom 2011-12-02 11:20:21 -05:00 committed by David Zeuthen
parent 22da18fa70
commit a00530ecb0
7 changed files with 592 additions and 87 deletions
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3
docs/reference/gio/gio-sections.txt
View File

@ -3344,7 +3344,10 @@ g_dbus_interface_skeleton_get_vtable
g_dbus_interface_skeleton_get_properties
g_dbus_interface_skeleton_export
g_dbus_interface_skeleton_unexport
g_dbus_interface_skeleton_unexport_from_connection
g_dbus_interface_skeleton_get_connection
g_dbus_interface_skeleton_get_connections
g_dbus_interface_skeleton_has_connection
g_dbus_interface_skeleton_get_object_path
GDBusInterfaceSkeletonFlags
g_dbus_interface_skeleton_get_flags

56
gio/gdbus-2.0/codegen/codegen.py
View File

@ -2307,21 +2307,31 @@ class CodeGenerator:
self.c.write(',\n %sarg_%s'%(a.ctype_in, a.name))
self.c.write(')\n'
'{\n'
' %sSkeleton *skeleton = %s%s_SKELETON (object);\n'
' GDBusConnection *connection = g_dbus_interface_skeleton_get_connection (G_DBUS_INTERFACE_SKELETON (skeleton));\n'
' %sSkeleton *skeleton = %s%s_SKELETON (object);\n\n'
' GList *connections, *l;\n'
' GVariant *signal_variant;\n'
' connections = g_dbus_interface_skeleton_get_connections (G_DBUS_INTERFACE_SKELETON (skeleton));\n'
%(i.camel_name, i.ns_upper, i.name_upper))
self.c.write(' if (connection == NULL)\n'
' return;\n'
' g_dbus_connection_emit_signal (connection,\n'
' NULL, g_dbus_interface_skeleton_get_object_path (G_DBUS_INTERFACE_SKELETON (skeleton)), "%s", "%s",\n'
' g_variant_new ("('
%(i.name, s.name))
self.c.write('\n'
' signal_variant = g_variant_ref_sink (g_variant_new ("(')
for a in s.args:
self.c.write('%s'%(a.format_in))
self.c.write(')"')
for a in s.args:
self.c.write(',\n arg_%s'%(a.name))
self.c.write('), NULL);\n')
self.c.write('));\n')
self.c.write(' for (l = connections; l != NULL; l = l->next)\n'
' {\n'
' GDBusConnection *connection = l->data;\n'
' g_dbus_connection_emit_signal (connection,\n'
' NULL, g_dbus_interface_skeleton_get_object_path (G_DBUS_INTERFACE_SKELETON (skeleton)), "%s", "%s",\n'
' signal_variant, NULL);\n'
' }\n'
%(i.name, s.name))
self.c.write(' g_variant_unref (signal_variant);\n')
self.c.write(' g_list_foreach (connections, (GFunc)g_object_unref, NULL);\n')
self.c.write(' g_list_free (connections);\n')
self.c.write('}\n'
'\n')
@ -2407,14 +2417,26 @@ class CodeGenerator:
' }\n'
' if (num_changes > 0)\n'
' {\n'
' g_dbus_connection_emit_signal (g_dbus_interface_skeleton_get_connection (G_DBUS_INTERFACE_SKELETON (skeleton)),\n'
' NULL, g_dbus_interface_skeleton_get_object_path (G_DBUS_INTERFACE_SKELETON (skeleton)),\n'
' "org.freedesktop.DBus.Properties",\n'
' "PropertiesChanged",\n'
' g_variant_new ("(sa{sv}as)",\n'
' "%s",\n'
' &builder, &invalidated_builder),\n'
' NULL);\n'
' GList *connections, *l;\n'
' GVariant *signal_variant;'
'\n'
' signal_variant = g_variant_ref_sink (g_variant_new ("(sa{sv}as)", "%s",\n'
' &builder, &invalidated_builder));\n'
' connections = g_dbus_interface_skeleton_get_connections (G_DBUS_INTERFACE_SKELETON (skeleton));\n'
' for (l = connections; l != NULL; l = l->next)\n'
' {\n'
' GDBusConnection *connection = l->data;\n'
'\n'
' g_dbus_connection_emit_signal (connection,\n'
' NULL, g_dbus_interface_skeleton_get_object_path (G_DBUS_INTERFACE_SKELETON (skeleton)),\n'
' "org.freedesktop.DBus.Properties",\n'
' "PropertiesChanged",\n'
' signal_variant,\n'
' NULL);\n'
' }\n'
' g_variant_unref (signal_variant);\n'
' g_list_foreach (connections, (GFunc)g_object_unref, NULL);\n'
' g_list_free (connections);\n'
' }\n'
' else\n'
' {\n'

364
gio/gdbusinterfaceskeleton.c
View File

@ -44,17 +44,22 @@
struct _GDBusInterfaceSkeletonPrivate
{
GMutex lock;
GMutex lock;
GDBusObject *object;
GDBusObject *object;
GDBusInterfaceSkeletonFlags flags;
guint registration_id;
GDBusConnection *connection;
gchar *object_path;
GDBusInterfaceVTable *hooked_vtable;
GSList *connections; /* List of ConnectionData */
gchar *object_path; /* The object path for this skeleton */
GDBusInterfaceVTable *hooked_vtable;
};
typedef struct
{
GDBusConnection *connection;
guint registration_id;
} ConnectionData;
enum
{
G_AUTHORIZE_METHOD_SIGNAL,
@ -69,7 +74,21 @@ enum
static guint signals[LAST_SIGNAL] = {0};
static void dbus_interface_interface_init (GDBusInterfaceIface *iface);
static void dbus_interface_interface_init (GDBusInterfaceIface *iface);
static void set_object_path_locked (GDBusInterfaceSkeleton *interface_,
const gchar *object_path);
static void remove_connection_locked (GDBusInterfaceSkeleton *interface_,
GDBusConnection *connection);
static void skeleton_intercept_handle_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);
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GDBusInterfaceSkeleton, g_dbus_interface_skeleton, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_DBUS_INTERFACE, dbus_interface_interface_init));
@ -78,13 +97,22 @@ static void
g_dbus_interface_skeleton_finalize (GObject *object)
{
GDBusInterfaceSkeleton *interface = G_DBUS_INTERFACE_SKELETON (object);
/* unexport if already exported */
if (interface->priv->registration_id > 0)
g_dbus_interface_skeleton_unexport (interface);
g_assert (interface->priv->connection == NULL);
g_assert (interface->priv->object_path == NULL);
g_assert (interface->priv->hooked_vtable == NULL);
/* Hold the lock just incase any code we call verifies that the lock is held */
g_mutex_lock (&interface->priv->lock);
/* unexport from all connections if we're exported anywhere */
while (interface->priv->connections != NULL)
{
ConnectionData *data = interface->priv->connections->data;
remove_connection_locked (interface, data->connection);
}
set_object_path_locked (interface, NULL);
g_mutex_unlock (&interface->priv->lock);
g_free (interface->priv->hooked_vtable);
if (interface->priv->object != NULL)
g_object_remove_weak_pointer (G_OBJECT (interface->priv->object), (gpointer *) &interface->priv->object);
@ -617,11 +645,112 @@ skeleton_intercept_handle_method_call (GDBusConnection *connection,
/* ---------------------------------------------------------------------------------------------------- */
static ConnectionData *
new_connection (GDBusConnection *connection,
guint registration_id)
{
ConnectionData *data;
data = g_slice_new0 (ConnectionData);
data->connection = g_object_ref (connection);
data->registration_id = registration_id;
return data;
}
static void
free_connection (ConnectionData *data)
{
if (data != NULL)
{
g_object_unref (data->connection);
g_slice_free (ConnectionData, data);
}
}
static gboolean
add_connection_locked (GDBusInterfaceSkeleton *interface_,
GDBusConnection *connection,
GError **error)
{
ConnectionData *data;
guint registration_id;
gboolean ret = FALSE;
if (interface_->priv->hooked_vtable == NULL)
{
/* Hook the vtable since we need to intercept method calls for
* ::g-authorize-method and for dispatching in thread vs
* context
*
* We need to wait until subclasses have had time to initialize
* properly before building the hooked_vtable, so we create it
* once at the last minute.
*/
interface_->priv->hooked_vtable = g_memdup (g_dbus_interface_skeleton_get_vtable (interface_), sizeof (GDBusInterfaceVTable));
interface_->priv->hooked_vtable->method_call = skeleton_intercept_handle_method_call;
}
registration_id = g_dbus_connection_register_object (connection,
interface_->priv->object_path,
g_dbus_interface_skeleton_get_info (interface_),
interface_->priv->hooked_vtable,
interface_,
NULL, /* user_data_free_func */
error);
if (registration_id > 0)
{
data = new_connection (connection, registration_id);
interface_->priv->connections = g_slist_append (interface_->priv->connections, data);
ret = TRUE;
}
return ret;
}
static void
remove_connection_locked (GDBusInterfaceSkeleton *interface_,
GDBusConnection *connection)
{
ConnectionData *data;
GSList *l;
/* Get the connection in the list and unregister ... */
for (l = interface_->priv->connections; l != NULL; l = l->next)
{
data = l->data;
if (data->connection == connection)
{
g_warn_if_fail (g_dbus_connection_unregister_object (data->connection, data->registration_id));
free_connection (data);
interface_->priv->connections = g_slist_delete_link (interface_->priv->connections, l);
/* we are guaranteed that the connection is only added once, so bail out early */
goto out;
}
}
out:
;
}
static void
set_object_path_locked (GDBusInterfaceSkeleton *interface_,
const gchar *object_path)
{
if (g_strcmp0 (interface_->priv->object_path, object_path) != 0)
{
g_free (interface_->priv->object_path);
interface_->priv->object_path = g_strdup (object_path);
}
}
/* ---------------------------------------------------------------------------------------------------- */
/**
* g_dbus_interface_skeleton_get_connection:
* @interface_: A #GDBusInterfaceSkeleton.
*
* Gets the connection that @interface_ is exported on, if any.
* Gets the first connection that @interface_ is exported on, if any.
*
* Returns: (transfer none): A #GDBusConnection or %NULL if @interface_ is
* not exported anywhere. Do not free, the object belongs to @interface_.
@ -631,10 +760,97 @@ skeleton_intercept_handle_method_call (GDBusConnection *connection,
GDBusConnection *
g_dbus_interface_skeleton_get_connection (GDBusInterfaceSkeleton *interface_)
{
ConnectionData *data;
GDBusConnection *ret;
g_return_val_if_fail (G_IS_DBUS_INTERFACE_SKELETON (interface_), NULL);
g_mutex_lock (&interface_->priv->lock);
ret = interface_->priv->connection;
ret = NULL;
if (interface_->priv->connections != NULL)
{
data = interface_->priv->connections->data;
if (data != NULL)
ret = data->connection;
}
g_mutex_unlock (&interface_->priv->lock);
return ret;
}
/**
* g_dbus_interface_skeleton_get_connections:
* @interface_: A #GDBusInterfaceSkeleton.
*
* Gets a list of the connections that @interface_ is exported on.
*
* Returns: (element-type GDBusConnection) (transfer full): A list of
* all the connections that @interface_ is exported on. The returned
* list should be freed with g_list_free() after each element has
* been freed with g_object_unref().
*
* Since: 2.32
*/
GList *
g_dbus_interface_skeleton_get_connections (GDBusInterfaceSkeleton *interface_)
{
GList *connections;
GSList *l;
ConnectionData *data;
g_return_val_if_fail (G_IS_DBUS_INTERFACE_SKELETON (interface_), NULL);
g_mutex_lock (&interface_->priv->lock);
connections = NULL;
for (l = interface_->priv->connections; l != NULL; l = l->next)
{
data = l->data;
connections = g_list_prepend (connections,
/* Return a reference to each connection */
g_object_ref (data->connection));
}
g_mutex_unlock (&interface_->priv->lock);
return g_list_reverse (connections);
}
/**
* g_dbus_interface_skeleton_has_connection:
* @interface_: A #GDBusInterfaceSkeleton.
* @connection: A #GDBusConnection.
*
* Checks if @interface_ is export on @connection.
*
* Returns: %TRUE if @interface_ is exported on @connection, %FALSE otherwise.
*
* Since: 2.32
*/
gboolean
g_dbus_interface_skeleton_has_connection (GDBusInterfaceSkeleton *interface_,
GDBusConnection *connection)
{
GSList *l;
gboolean ret = FALSE;
g_return_val_if_fail (G_IS_DBUS_INTERFACE_SKELETON (interface_), FALSE);
g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), FALSE);
g_mutex_lock (&interface_->priv->lock);
for (l = interface_->priv->connections; l != NULL; l = l->next)
{
ConnectionData *data = l->data;
if (data->connection == connection)
{
ret = TRUE;
goto out;
}
}
out:
g_mutex_unlock (&interface_->priv->lock);
return ret;
}
@ -670,9 +886,13 @@ g_dbus_interface_skeleton_get_object_path (GDBusInterfaceSkeleton *interface_)
*
* Exports @interface_ at @object_path on @connection.
*
* This can be called multiple times to export the same @interface_
* onto multiple connections however the @object_path provided must be
* the same for all connections.
*
* Use g_dbus_interface_skeleton_unexport() to unexport the object.
*
* Returns: %TRUE if the interface was exported, other %FALSE with
* Returns: %TRUE if the interface was exported on @connection, otherwise %FALSE with
* @error set.
*
* Since: 2.30
@ -683,51 +903,25 @@ g_dbus_interface_skeleton_export (GDBusInterfaceSkeleton *interface_,
const gchar *object_path,
GError **error)
{
gboolean ret;
gboolean ret = FALSE;
g_return_val_if_fail (G_IS_DBUS_INTERFACE_SKELETON (interface_), 0);
g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), 0);
g_return_val_if_fail (g_variant_is_object_path (object_path), 0);
g_return_val_if_fail (error == NULL || *error == NULL, 0);
g_return_val_if_fail (G_IS_DBUS_INTERFACE_SKELETON (interface_), FALSE);
g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), FALSE);
g_return_val_if_fail (g_variant_is_object_path (object_path), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
/* Assert that the object path is the same for multiple connections here */
g_return_val_if_fail (interface_->priv->object_path == NULL ||
g_strcmp0 (interface_->priv->object_path, object_path) == 0, FALSE);
g_mutex_lock (&interface_->priv->lock);
ret = FALSE;
if (interface_->priv->registration_id > 0)
{
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_FAILED, /* TODO: new error code */
"The object is already exported");
goto out;
}
/* Set the object path */
set_object_path_locked (interface_, object_path);
g_assert (interface_->priv->connection == NULL);
g_assert (interface_->priv->object_path == NULL);
g_assert (interface_->priv->hooked_vtable == NULL);
/* Add the connection */
ret = add_connection_locked (interface_, connection, error);
/* Hook the vtable since we need to intercept method calls for
* ::g-authorize-method and for dispatching in thread vs
* context
*/
interface_->priv->hooked_vtable = g_memdup (g_dbus_interface_skeleton_get_vtable (interface_), sizeof (GDBusInterfaceVTable));
interface_->priv->hooked_vtable->method_call = skeleton_intercept_handle_method_call;
interface_->priv->connection = g_object_ref (connection);
interface_->priv->object_path = g_strdup (object_path);
interface_->priv->registration_id = g_dbus_connection_register_object (connection,
object_path,
g_dbus_interface_skeleton_get_info (interface_),
interface_->priv->hooked_vtable,
interface_,
NULL, /* user_data_free_func */
error);
if (interface_->priv->registration_id == 0)
goto out;
ret = TRUE;
out:
g_mutex_unlock (&interface_->priv->lock);
return ret;
}
@ -736,8 +930,10 @@ g_dbus_interface_skeleton_export (GDBusInterfaceSkeleton *interface_,
* g_dbus_interface_skeleton_unexport:
* @interface_: A #GDBusInterfaceSkeleton.
*
* Stops exporting an interface previously exported with
* g_dbus_interface_skeleton_export().
* Stops exporting @interface_ on all connections it is exported on.
*
* To unexport @interface_ from only a single connection, use
* g_dbus_interface_skeleton_export_from_connection()
*
* Since: 2.30
*/
@ -745,23 +941,57 @@ void
g_dbus_interface_skeleton_unexport (GDBusInterfaceSkeleton *interface_)
{
g_return_if_fail (G_IS_DBUS_INTERFACE_SKELETON (interface_));
g_return_if_fail (interface_->priv->registration_id > 0);
g_return_if_fail (interface_->priv->connections != NULL);
g_mutex_lock (&interface_->priv->lock);
g_assert (interface_->priv->connection != NULL);
g_assert (interface_->priv->object_path != NULL);
g_assert (interface_->priv->hooked_vtable != NULL);
g_warn_if_fail (g_dbus_connection_unregister_object (interface_->priv->connection,
interface_->priv->registration_id));
/* Remove all connections */
while (interface_->priv->connections != NULL)
{
ConnectionData *data = interface_->priv->connections->data;
remove_connection_locked (interface_, data->connection);
}
g_object_unref (interface_->priv->connection);
g_free (interface_->priv->object_path);
interface_->priv->connection = NULL;
interface_->priv->object_path = NULL;
interface_->priv->hooked_vtable = NULL;
interface_->priv->registration_id = 0;
/* Unset the object path since there are no connections left */
set_object_path_locked (interface_, NULL);
g_mutex_unlock (&interface_->priv->lock);
}
/**
* g_dbus_interface_skeleton_unexport_from_connection:
* @interface_: A #GDBusInterfaceSkeleton.
* @connection: A #GDBusConnection.
*
* Stops exporting @interface_ on @connection.
*
* To stop exporting on all connections the interface is exported on,
* use g_dbus_interface_skeleton_unexport().
*
* Since: 2.32
*/
void
g_dbus_interface_skeleton_unexport_from_connection (GDBusInterfaceSkeleton *interface_,
GDBusConnection *connection)
{
g_return_if_fail (G_IS_DBUS_INTERFACE_SKELETON (interface_));
g_return_if_fail (G_IS_DBUS_CONNECTION (connection));
g_return_if_fail (interface_->priv->connections != NULL);
g_mutex_lock (&interface_->priv->lock);
g_assert (interface_->priv->object_path != NULL);
g_assert (interface_->priv->hooked_vtable != NULL);
remove_connection_locked (interface_, connection);
/* Reset the object path if we removed the last connection */
if (interface_->priv->connections == NULL)
set_object_path_locked (interface_, NULL);
g_mutex_unlock (&interface_->priv->lock);
}

6
gio/gdbusinterfaceskeleton.h
View File

@ -101,7 +101,13 @@ gboolean g_dbus_interface_skeleton_export (GDBusInt
const gchar *object_path,
GError **error);
void g_dbus_interface_skeleton_unexport (GDBusInterfaceSkeleton *interface_);
void g_dbus_interface_skeleton_unexport_from_connection (GDBusInterfaceSkeleton *interface_,
GDBusConnection *connection);
GDBusConnection *g_dbus_interface_skeleton_get_connection (GDBusInterfaceSkeleton *interface_);
GList *g_dbus_interface_skeleton_get_connections (GDBusInterfaceSkeleton *interface_);
gboolean g_dbus_interface_skeleton_has_connection (GDBusInterfaceSkeleton *interface_,
GDBusConnection *connection);
const gchar *g_dbus_interface_skeleton_get_object_path (GDBusInterfaceSkeleton *interface_);
G_END_DECLS

3
gio/gio.symbols
View File

@ -1535,6 +1535,8 @@ g_dbus_interface_skeleton_export
g_dbus_interface_skeleton_flags_get_type
g_dbus_interface_skeleton_flush
g_dbus_interface_skeleton_get_connection
g_dbus_interface_skeleton_get_connections
g_dbus_interface_skeleton_has_connection
g_dbus_interface_skeleton_get_flags
g_dbus_interface_skeleton_get_info
g_dbus_interface_skeleton_get_object_path
@ -1543,6 +1545,7 @@ g_dbus_interface_skeleton_get_type
g_dbus_interface_skeleton_get_vtable
g_dbus_interface_skeleton_set_flags
g_dbus_interface_skeleton_unexport
g_dbus_interface_skeleton_unexport_from_connection
g_dbus_object_get_interface
g_dbus_object_get_interfaces
g_dbus_object_get_object_path

8
gio/tests/Makefile.am
View File

@ -344,9 +344,6 @@ gdbus_export_LDADD = $(progs_ldadd)
gdbus_error_SOURCES = gdbus-error.c gdbus-sessionbus.c gdbus-sessionbus.h gdbus-tests.h gdbus-tests.c
gdbus_error_LDADD = $(progs_ldadd)
gdbus_peer_SOURCES = gdbus-peer.c gdbus-tests.h gdbus-tests.c
gdbus_peer_LDADD = $(progs_ldadd)
gdbus_non_socket_SOURCES = \
gdbus-non-socket.c \
gdbus-tests.c \
@ -527,6 +524,11 @@ gdbus_example_objectmanager_server_LDADD = $(top_builddir)/gio/tests/gdbus-ob
gdbus_example_objectmanager_client_SOURCES = gdbus-example-objectmanager-client.c
gdbus_example_objectmanager_client_CFLAGS = -I$(top_builddir)/gio/tests/gdbus-object-manager-example
gdbus_example_objectmanager_client_LDADD = $(top_builddir)/gio/tests/gdbus-object-manager-example/libgdbus-example-objectmanager.la $(progs_ldadd)
gdbus_peer_SOURCES = gdbus-peer.c gdbus-tests.h gdbus-tests.c
gdbus_peer_CFLAGS = -I$(top_builddir)/gio/tests/gdbus-object-manager-example
gdbus_peer_LDADD = $(top_builddir)/gio/tests/gdbus-object-manager-example/libgdbus-example-objectmanager.la $(progs_ldadd)
endif OS_UNIX
# -----------------------------------------------------------------------------

239
gio/tests/gdbus-peer.c
View File

@ -47,6 +47,8 @@
#include "gdbus-tests.h"
#include "gdbus-example-objectmanager-generated.h"
#ifdef G_OS_UNIX
static gboolean is_unix = TRUE;
#else
@ -601,6 +603,7 @@ test_peer (void)
g_assert (c == NULL);
/* bring up a server - we run the server in a different thread to avoid deadlocks */
service_loop = NULL;
service_thread = g_thread_new ("test_peer",
service_thread_func,
&data);
@ -1534,6 +1537,241 @@ test_tcp_anonymous (void)
/* ---------------------------------------------------------------------------------------------------- */
static GDBusServer *codegen_server = NULL;
static gboolean
codegen_on_animal_poke (ExampleAnimal *animal,
GDBusMethodInvocation *invocation,
gboolean make_sad,
gboolean make_happy,
gpointer user_data)
{
if ((make_sad && make_happy) || (!make_sad && !make_happy))
{
g_main_loop_quit (service_loop);
g_dbus_method_invocation_return_dbus_error (invocation,
"org.gtk.GDBus.Examples.ObjectManager.Error.Failed",
"Exactly one of make_sad or make_happy must be TRUE");
goto out;
}
if (make_sad)
{
if (g_strcmp0 (example_animal_get_mood (animal), "Sad") == 0)
{
g_dbus_method_invocation_return_dbus_error (invocation,
"org.gtk.GDBus.Examples.ObjectManager.Error.SadAnimalIsSad",
"Sad animal is already sad");
goto out;
}
example_animal_set_mood (animal, "Sad");
example_animal_complete_poke (animal, invocation);
goto out;
}
if (make_happy)
{
if (g_strcmp0 (example_animal_get_mood (animal), "Happy") == 0)
{
g_dbus_method_invocation_return_dbus_error (invocation,
"org.gtk.GDBus.Examples.ObjectManager.Error.HappyAnimalIsHappy",
"Happy animal is already happy");
goto out;
}
example_animal_set_mood (animal, "Happy");
example_animal_complete_poke (animal, invocation);
goto out;
}
g_assert_not_reached ();
out:
return TRUE; /* to indicate that the method was handled */
}
/* Runs in thread we created GDBusServer in (since we didn't pass G_DBUS_SERVER_FLAGS_RUN_IN_THREAD) */
static gboolean
codegen_on_new_connection (GDBusServer *server,
GDBusConnection *connection,
gpointer user_data)
{
ExampleAnimal *animal = user_data;
GError *error = NULL;
/* g_print ("Client connected.\n" */
/* "Negotiated capabilities: unix-fd-passing=%d\n", */
/* g_dbus_connection_get_capabilities (connection) & G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING); */
g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (animal), connection,
"/Example/Animals/000", &error);
g_assert_no_error (error);
return TRUE;
}
static gpointer
codegen_service_thread_func (gpointer user_data)
{
GMainContext *service_context;
ExampleAnimal *animal;
GError *error = NULL;
service_context = g_main_context_new ();
g_main_context_push_thread_default (service_context);
/* Create the animal in the right thread context */
animal = example_animal_skeleton_new ();
/* Handle Poke() D-Bus method invocations on the .Animal interface */
g_signal_connect (animal, "handle-poke",
G_CALLBACK (codegen_on_animal_poke),
NULL); /* user_data */
codegen_server = g_dbus_server_new_sync (tmp_address,
G_DBUS_SERVER_FLAGS_NONE,
test_guid,
NULL, /* observer */
NULL, /* cancellable */
&error);
g_assert_no_error (error);
g_dbus_server_start (codegen_server);
g_signal_connect (codegen_server, "new-connection",
G_CALLBACK (codegen_on_new_connection),
animal);
service_loop = g_main_loop_new (service_context, FALSE);
g_main_loop_run (service_loop);
g_object_unref (animal);
g_main_context_pop_thread_default (service_context);
g_main_loop_unref (service_loop);
g_main_context_unref (service_context);
g_dbus_server_stop (codegen_server);
g_object_unref (codegen_server);
codegen_server = NULL;
return NULL;
}
gboolean
codegen_quit_mainloop_timeout (gpointer data)
{
g_main_loop_quit (loop);
return FALSE;
}
static void
codegen_test_peer (void)
{
GDBusConnection *connection;
ExampleAnimal *animal1, *animal2;
GThread *service_thread;
GError *error = NULL;
GVariant *value;
/* bring up a server - we run the server in a different thread to avoid deadlocks */
service_thread = g_thread_new ("codegen_test_peer",
codegen_service_thread_func,
NULL);
service_loop = NULL;
while (service_loop == NULL)
g_thread_yield ();
g_assert (codegen_server != NULL);
/* Get an animal 1 ... */
connection = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (codegen_server),
G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
NULL, /* GDBusAuthObserver */
NULL, /* cancellable */
&error);
g_assert_no_error (error);
g_assert (connection != NULL);
animal1 = example_animal_proxy_new_sync (connection, 0, NULL,
"/Example/Animals/000", NULL, &error);
g_assert_no_error (error);
g_assert (animal1 != NULL);
g_object_unref (connection);
/* Get animal 2 ... */
connection = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (codegen_server),
G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
NULL, /* GDBusAuthObserver */
NULL, /* cancellable */
&error);
g_assert_no_error (error);
g_assert (connection != NULL);
animal2 = example_animal_proxy_new_sync (connection, 0, NULL,
"/Example/Animals/000", NULL, &error);
g_assert_no_error (error);
g_assert (animal2 != NULL);
g_object_unref (connection);
/* Make animal sad via animal1 */
example_animal_call_poke_sync (animal1, TRUE, FALSE, NULL, &error);
g_assert_no_error (error);
/* Poke server and make sure animal is updated */
value = g_dbus_proxy_call_sync (G_DBUS_PROXY (animal1),
"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);
/* Give the proxies a chance to refresh in the defaul main loop */
g_timeout_add (100, codegen_quit_mainloop_timeout, NULL);
g_main_loop_run (loop);
/* Assert animals are sad */
g_assert_cmpstr (example_animal_get_mood (animal1), ==, "Sad");
g_assert_cmpstr (example_animal_get_mood (animal2), ==, "Sad");
/* Make animal happy via animal2 */
example_animal_call_poke_sync (animal2, FALSE, TRUE, NULL, &error);
g_assert_no_error (error);
/* Poke server and make sure animal is updated */
value = g_dbus_proxy_call_sync (G_DBUS_PROXY (animal2),
"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);
/* Give the proxies a chance to refresh in the defaul main loop */
g_timeout_add (1000, codegen_quit_mainloop_timeout, NULL);
g_main_loop_run (loop);
/* Assert animals are happy */
g_assert_cmpstr (example_animal_get_mood (animal1), ==, "Happy");
g_assert_cmpstr (example_animal_get_mood (animal2), ==, "Happy");
/* This final call making the animal happy and sad will cause
* the server to quit, when the server quits we dont get property
* change notifications anyway because those are done from an idle handler
*/
example_animal_call_poke_sync (animal2, TRUE, TRUE, NULL, &error);
g_object_unref (animal1);
g_object_unref (animal2);
g_thread_join (service_thread);
}
/* ---------------------------------------------------------------------------------------------------- */
int
main (int argc,
char *argv[])
@ -1575,6 +1813,7 @@ main (int argc,
g_test_add_func ("/gdbus/tcp-anonymous", test_tcp_anonymous);
g_test_add_func ("/gdbus/credentials", test_credentials);
g_test_add_func ("/gdbus/overflow", test_overflow);
g_test_add_func ("/gdbus/codegen-peer-to-peer", codegen_test_peer);
ret = g_test_run();