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ofono: make asynchrounous operations for context_proxy cancellable

Browse source 
Also,

  - disconnect signal handlers in dispose()

  - fix memleak in stage1_prepare_down()()
This commit is contained in:
Thomas Haller 2017-04-22 22:54:23 +02:00
parent 1e5be78eb9
commit 663dfd7d51
1 changed files with 50 additions and 21 deletions
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71
src/devices/wwan/nm-modem-ofono.c
View file

@ -48,6 +48,7 @@ typedef struct {
GCancellable *modem_proxy_cancellable;
GCancellable *connman_proxy_cancellable;
GCancellable *context_proxy_cancellable;
GCancellable *sim_proxy_cancellable;
GError *property_error;
@ -796,15 +797,26 @@ modem_get_properties_done (GObject *source,
}
static void
stage1_prepare_done (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data)
stage1_prepare_done (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
gs_unref_object NMModemOfono *self = NM_MODEM_OFONO (user_data);
NMModemOfonoPrivate *priv = NM_MODEM_OFONO_GET_PRIVATE (self);
GError *error = NULL;
NMModemOfono *self;
NMModemOfonoPrivate *priv;
gs_free_error GError *error = NULL;
gs_unref_variant GVariant *v = NULL;
v = g_dbus_proxy_call_finish (G_DBUS_PROXY (source), result, &error);
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
self = NM_MODEM_OFONO (user_data);
priv = NM_MODEM_OFONO_GET_PRIVATE (self);
g_clear_object (&priv->context_proxy_cancellable);
g_clear_pointer (&priv->connect_properties, g_hash_table_destroy);
g_dbus_proxy_call_finish (proxy, result, &error);
if (error) {
_LOGW ("connection failed: %s", error->message);
@ -816,8 +828,6 @@ stage1_prepare_done (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data
* leading to the connection being disabled, and a 5m
* timeout...
*/
g_clear_error (&error);
}
}
@ -1030,21 +1040,33 @@ static_stage3_ip4_config_start (NMModem *modem,
}
static void
context_proxy_new_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_data)
context_proxy_new_cb (GObject *source, GAsyncResult *result, gpointer user_data)
{
gs_unref_object NMModemOfono *self = NM_MODEM_OFONO (user_data);
NMModemOfonoPrivate *priv = NM_MODEM_OFONO_GET_PRIVATE (self);
GError *error = NULL;
NMModemOfono *self;
NMModemOfonoPrivate *priv;
gs_free_error GError *error = NULL;
GDBusProxy *proxy;
priv->context_proxy = g_dbus_proxy_new_for_bus_finish (result, &error);
if (error) {
proxy = g_dbus_proxy_new_for_bus_finish (result, &error);
if ( !proxy
|| g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
self = NM_MODEM_OFONO (user_data);
priv = NM_MODEM_OFONO_GET_PRIVATE (self);
if (!proxy) {
_LOGE ("failed to create ofono ConnectionContext DBus proxy: %s", error->message);
g_clear_object (&priv->context_proxy_cancellable);
nm_modem_emit_prepare_result (NM_MODEM (self), FALSE,
NM_DEVICE_STATE_REASON_MODEM_BUSY);
return;
}
priv->context_proxy = proxy;
if (!priv->gprs_attached) {
g_clear_object (&priv->context_proxy_cancellable);
nm_modem_emit_prepare_result (NM_MODEM (self), FALSE,
NM_DEVICE_STATE_REASON_MODEM_NO_CARRIER);
return;
@ -1056,7 +1078,6 @@ context_proxy_new_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_dat
*/
g_clear_object (&priv->ip4_config);
/* Watch for custom ofono PropertyChanged signals */
_nm_dbus_signal_connect (priv->context_proxy,
"PropertyChanged",
G_VARIANT_TYPE ("(sv)"),
@ -1070,9 +1091,9 @@ context_proxy_new_cb (GDBusProxy *proxy, GAsyncResult *result, gpointer user_dat
g_variant_new ("b", TRUE)),
G_DBUS_CALL_FLAGS_NONE,
20000,
NULL,
(GAsyncReadyCallback) stage1_prepare_done,
g_object_ref (self));
priv->context_proxy_cancellable,
stage1_prepare_done,
self);
}
static void
@ -1082,16 +1103,20 @@ do_context_activate (NMModemOfono *self)
g_return_if_fail (NM_IS_MODEM_OFONO (self));
nm_clear_g_cancellable (&priv->context_proxy_cancellable);
g_clear_object (&priv->context_proxy);
priv->context_proxy_cancellable = g_cancellable_new ();
g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
NULL,
OFONO_DBUS_SERVICE,
priv->context_path,
OFONO_DBUS_INTERFACE_CONNECTION_CONTEXT,
NULL,
(GAsyncReadyCallback) context_proxy_new_cb,
g_object_ref (self));
priv->context_proxy_cancellable,
context_proxy_new_cb,
self);
}
static GHashTable *
@ -1264,6 +1289,7 @@ dispose (GObject *object)
nm_clear_g_cancellable (&priv->modem_proxy_cancellable);
nm_clear_g_cancellable (&priv->connman_proxy_cancellable);
nm_clear_g_cancellable (&priv->context_proxy_cancellable);
nm_clear_g_cancellable (&priv->sim_proxy_cancellable);
if (priv->connect_properties) {
@ -1283,7 +1309,10 @@ dispose (GObject *object)
g_clear_object (&priv->connman_proxy);
}
g_clear_object (&priv->context_proxy);
if (priv->context_proxy) {
g_signal_handlers_disconnect_by_data (priv->context_proxy, self);
g_clear_object (&priv->context_proxy);
}
if (priv->sim_proxy) {
g_signal_handlers_disconnect_by_data (priv->sim_proxy, self);