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portal network monitor: Implement can_reach

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Version 3 of the network monitor portal interface adds
a CanReach method. Use it to implement can_reach.

The docs state that can_reach will either return TRUE
or set an error. So, set an error of G_IO_ERROR_HOST_UNREACHABLE
when the portal returns FALSE for CanReach.
This commit is contained in:
Matthias Clasen 2018-08-23 23:02:41 -04:00
parent 3a3a32a2bb
commit a090d8605b
1 changed files with 121 additions and 2 deletions
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123
gio/gnetworkmonitorportal.c
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@ -325,7 +325,7 @@ g_network_monitor_portal_initable_init (GInitable *initable,
g_variant_get (ret, "u", &version);
g_variant_unref (ret);
if (version != 1 && version != 2)
if (version != 1 && version != 2 && version != 3)
{
g_object_unref (proxy);
g_set_error (error,
@ -345,7 +345,7 @@ g_network_monitor_portal_initable_init (GInitable *initable,
if (!initable_parent_iface->init (initable, cancellable, error))
return FALSE;
if (nm->priv->has_network && nm->priv->version == 2)
if (nm->priv->has_network && nm->priv->version > 1)
update_properties (proxy, nm);
return TRUE;
@ -374,9 +374,128 @@ g_network_monitor_portal_class_init (GNetworkMonitorPortalClass *class)
g_object_class_override_property (gobject_class, PROP_CONNECTIVITY, "connectivity");
}
static gboolean
g_network_monitor_portal_can_reach (GNetworkMonitor *monitor,
GSocketConnectable *connectable,
GCancellable *cancellable,
GError **error)
{
GNetworkMonitorPortal *nm = G_NETWORK_MONITOR_PORTAL (monitor);
GVariant *ret;
GNetworkAddress *address;
gboolean reachable = FALSE;
if (!G_IS_NETWORK_ADDRESS (connectable))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
"Can't handle this kind of GSocketConnectable (%s)",
G_OBJECT_TYPE_NAME (connectable));
return FALSE;
}
address = G_NETWORK_ADDRESS (connectable);
ret = g_dbus_proxy_call_sync (nm->priv->proxy,
"CanReach",
g_variant_new ("(su)",
g_network_address_get_hostname (address),
g_network_address_get_port (address)),
G_DBUS_CALL_FLAGS_NONE,
-1,
cancellable,
error);
if (ret)
{
g_variant_get (ret, "(b)", &reachable);
g_variant_unref (ret);
}
return reachable;
}
static void
can_reach_done (GObject *source,
GAsyncResult *result,
gpointer data)
{
GTask *task = data;
GNetworkMonitorPortal *nm = G_NETWORK_MONITOR_PORTAL (g_task_get_source_object (task));
GError *error = NULL;
GVariant *ret;
gboolean reachable;
ret = g_dbus_proxy_call_finish (nm->priv->proxy, result, &error);
if (ret == NULL)
{
g_task_return_error (task, error);
g_object_unref (task);
return;
}
g_variant_get (ret, "(b)", &reachable);
g_variant_unref (ret);
if (reachable)
g_task_return_boolean (task, TRUE);
else
g_task_return_new_error (task,
G_IO_ERROR, G_IO_ERROR_HOST_UNREACHABLE,
"Can't reach host");
g_object_unref (task);
}
static void
g_network_monitor_portal_can_reach_async (GNetworkMonitor *monitor,
GSocketConnectable *connectable,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer data)
{
GNetworkMonitorPortal *nm = G_NETWORK_MONITOR_PORTAL (monitor);
GTask *task;
GNetworkAddress *address;
task = g_task_new (monitor, cancellable, callback, data);
if (!G_IS_NETWORK_ADDRESS (connectable))
{
g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
"Can't handle this kind of GSocketConnectable (%s)",
G_OBJECT_TYPE_NAME (connectable));
g_object_unref (task);
return;
}
address = G_NETWORK_ADDRESS (connectable);
g_dbus_proxy_call (nm->priv->proxy,
"CanReach",
g_variant_new ("(su)",
g_network_address_get_hostname (address),
g_network_address_get_port (address)),
G_DBUS_CALL_FLAGS_NONE,
-1,
cancellable,
can_reach_done,
task);
}
static gboolean
g_network_monitor_portal_can_reach_finish (GNetworkMonitor *monitor,
GAsyncResult *result,
GError **error)
{
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
g_network_monitor_portal_iface_init (GNetworkMonitorInterface *monitor_iface)
{
monitor_iface->can_reach = g_network_monitor_portal_can_reach;
monitor_iface->can_reach_async = g_network_monitor_portal_can_reach_async;
monitor_iface->can_reach_finish = g_network_monitor_portal_can_reach_finish;
}
static void