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GDBusServer: Make ::new-connection return whether the connection was claimed

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Otherwise things probably won't work in a garbage-collected world
(consider the trivial GC that never collects garbage).

This commit breaks GDBusServer ABI. No known released software is
using this code.

Signed-off-by: David Zeuthen <davidz@redhat.com>
This commit is contained in:
David Zeuthen 2010-09-09 14:00:46 -04:00
parent c3371efcaa
commit ee945d8f62
4 changed files with 35 additions and 16 deletions
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34
gio/gdbusserver.c
View File

@ -122,8 +122,8 @@ struct _GDBusServerClass
/*< public >*/
/* Signals */
void (*new_connection) (GDBusServer *server,
GDBusConnection *connection);
gboolean (*new_connection) (GDBusServer *server,
GDBusConnection *connection);
};
enum
@ -391,10 +391,12 @@ g_dbus_server_class_init (GDBusServerClass *klass)
* g_dbus_connection_get_peer_credentials() to figure out what
* identity (if any), was authenticated.
*
* If you want to accept the connection, simply ref the @connection
* object. Then call g_dbus_connection_close() and unref it when you
* are done with it. A typical thing to do when accepting a
* connection is to listen to the #GDBusConnection::closed signal.
* If you want to accept the connection, take a reference to the
* @connection object and return %TRUE. When you are done with the
* connection call g_dbus_connection_close() and give up your
* reference. Note that the other peer may disconnect at any time -
* a typical thing to do when accepting a connection is to listen to
* the #GDBusConnection::closed signal.
*
* If #GDBusServer:flags contains %G_DBUS_SERVER_FLAGS_RUN_IN_THREAD
* then the signal is emitted in a new thread dedicated to the
@ -407,16 +409,19 @@ g_dbus_server_class_init (GDBusServerClass *klass)
* that it's suitable to call g_dbus_connection_register_object() or
* similar from the signal handler.
*
* Returns: %TRUE to claim @connection, %FALSE to let other handlers
* run.
*
* Since: 2.26
*/
_signals[NEW_CONNECTION_SIGNAL] = g_signal_new ("new-connection",
G_TYPE_DBUS_SERVER,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GDBusServerClass, new_connection),
NULL,
NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
g_signal_accumulator_true_handled,
NULL, /* accu_data */
_gio_marshal_BOOLEAN__OBJECT,
G_TYPE_BOOLEAN,
1,
G_TYPE_DBUS_CONNECTION);
}
@ -922,12 +927,17 @@ static gboolean
emit_new_connection_in_idle (gpointer user_data)
{
EmitIdleData *data = user_data;
gboolean claimed;
claimed = FALSE;
g_signal_emit (data->server,
_signals[NEW_CONNECTION_SIGNAL],
0,
data->connection);
g_dbus_connection_start_message_processing (data->connection);
data->connection,
&claimed);
if (claimed)
g_dbus_connection_start_message_processing (data->connection);
g_object_unref (data->connection);
return FALSE;

1
gio/gio-marshal.list
View File

@ -21,3 +21,4 @@ VOID:STRING,STRING,VARIANT
VOID:STRING
VOID:STRING,STRING
VOID:STRING,BOOLEAN
BOOL:OBJECT

4
gio/tests/gdbus-example-peer.c
View File

@ -121,7 +121,7 @@ static const GDBusInterfaceVTable interface_vtable =
/* ---------------------------------------------------------------------------------------------------- */
static void
static gboolean
on_new_connection (GDBusServer *server,
GDBusConnection *connection,
gpointer user_data)
@ -152,6 +152,8 @@ on_new_connection (GDBusServer *server,
NULL, /* user_data_free_func */
NULL); /* GError** */
g_assert (registration_id > 0);
return TRUE;
}
/* ---------------------------------------------------------------------------------------------------- */

12
gio/tests/gdbus-peer.c
View File

@ -283,7 +283,7 @@ on_authorize_authenticated_peer (GDBusAuthObserver *observer,
}
/* Runs in thread we created GDBusServer in (since we didn't pass G_DBUS_SERVER_FLAGS_RUN_IN_THREAD) */
static void
static gboolean
on_new_connection (GDBusServer *server,
GDBusConnection *connection,
gpointer user_data)
@ -311,6 +311,8 @@ on_new_connection (GDBusServer *server,
g_assert (reg_id > 0);
g_main_loop_quit (loop);
return TRUE;
}
static gpointer
@ -943,7 +945,7 @@ static const GDBusInterfaceVTable dmp_interface_vtable =
/* Runs in thread we created GDBusServer in (since we didn't pass G_DBUS_SERVER_FLAGS_RUN_IN_THREAD) */
static void
static gboolean
dmp_on_new_connection (GDBusServer *server,
GDBusConnection *connection,
gpointer user_data)
@ -984,6 +986,8 @@ dmp_on_new_connection (GDBusServer *server,
NULL,
&error);
g_dbus_node_info_unref (node);
return TRUE;
}
static gpointer
@ -1101,7 +1105,7 @@ nonce_tcp_on_authorize_authenticated_peer (GDBusAuthObserver *observer,
}
/* Runs in thread we created GDBusServer in (since we didn't pass G_DBUS_SERVER_FLAGS_RUN_IN_THREAD) */
static void
static gboolean
nonce_tcp_on_new_connection (GDBusServer *server,
GDBusConnection *connection,
gpointer user_data)
@ -1111,6 +1115,8 @@ nonce_tcp_on_new_connection (GDBusServer *server,
g_ptr_array_add (data->current_connections, g_object_ref (connection));
g_main_loop_quit (loop);
return TRUE;
}
static gpointer