1997.2.1
by Gord Allott
adds a gdbus test and service |
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#include "test_service_gdbus_wrapper.h" |
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#include <unity.h> |
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#include <gio/gio.h> |
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const char * gdbus_wrapper_interface = |
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" |
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"<node name=\"/\">\n" |
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" <interface name=\"com.canonical.gdbus_wrapper\">\n" |
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"<!-- Properties -->\n" |
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" <!-- None -->\n" |
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"\n" |
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"<!-- Functions -->\n" |
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" <method name=\"TestMethod\">\n" |
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" <!-- in -->\n" |
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" <arg type=\"s\" name=\"query\" direction=\"in\" />\n" |
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" <!-- out -->\n" |
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" <arg type=\"s\" name=\"target\" direction=\"out\" />\n" |
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" </method>\n" |
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"\n" |
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"<!-- Signals -->\n" |
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" <signal name=\"TestSignal\">\n" |
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" <arg type=\"s\" name=\"target\" direction=\"out\" />\n" |
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" </signal>\n" |
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"\n" |
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"<!-- End of interesting stuff -->\n" |
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"\n" |
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" </interface>\n" |
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"</node>\n" |
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;
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static void bus_got_cb (GObject *object, GAsyncResult * res, gpointer user_data); |
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static void bus_method (GDBusConnection *connection, |
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const gchar *sender, |
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const gchar *object_path, |
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const gchar *interface_name, |
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const gchar *method_name, |
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GVariant *parameters, |
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GDBusMethodInvocation *invocation, |
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gpointer user_data); |
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G_DEFINE_TYPE(ServiceGDBusWrapper, service_gdbus_wrapper, G_TYPE_OBJECT); |
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static GDBusNodeInfo * node_info = NULL; |
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static GDBusInterfaceInfo * iface_info = NULL; |
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static GDBusInterfaceVTable bus_vtable = { |
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method_call: bus_method, |
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get_property: NULL, |
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set_property: NULL, |
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};
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struct _ServiceGDBusWrapperPrivate |
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{
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GDBusConnection * bus; |
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GCancellable * bus_lookup; |
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guint bus_registration; |
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};
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static void |
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service_gdbus_wrapper_dispose(GObject* object) |
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{
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ServiceGDBusWrapper* self = SERVICE_GDBUS_WRAPPER(object); |
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if (self->priv->bus_lookup != NULL) { |
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g_cancellable_cancel(self->priv->bus_lookup); |
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g_object_unref(self->priv->bus_lookup); |
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self->priv->bus_lookup = NULL; |
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}
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if (self->priv->bus_registration != 0) { |
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g_dbus_connection_unregister_object(self->priv->bus, self->priv->bus_registration); |
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self->priv->bus_registration = 0; |
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}
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if (self->priv->bus != NULL) { |
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g_object_unref(self->priv->bus); |
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self->priv->bus = NULL; |
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}
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}
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static void |
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service_gdbus_wrapper_class_init(ServiceGDBusWrapperClass* klass) |
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{
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G_OBJECT_CLASS(klass)->dispose = service_gdbus_wrapper_dispose; |
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g_type_class_add_private (klass, sizeof (ServiceGDBusWrapperPrivate)); |
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if (node_info == NULL) |
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{
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GError * error = NULL; |
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node_info = g_dbus_node_info_new_for_xml(gdbus_wrapper_interface, &error); |
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if (error != NULL) |
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{
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g_error("Unable to parse GDBUS_WRAPPER interface: %s", error->message); |
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g_error_free(error); |
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}
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}
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if (node_info != NULL && iface_info == NULL) |
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{
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iface_info = g_dbus_node_info_lookup_interface(node_info,"com.canonical.gdbus_wrapper"); |
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if (iface_info == NULL) |
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{
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g_error("Unable to find interface 'com.canonical.gdbus_wrapper'"); |
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}
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}
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}
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static void |
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service_gdbus_wrapper_init(ServiceGDBusWrapper* self) |
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE(self, SERVICE_TYPE_GDBUS_WRAPPER, ServiceGDBusWrapperPrivate); |
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self->priv->bus = NULL; |
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self->priv->bus_lookup = NULL; |
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self->priv->bus_registration = 0; |
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self->priv->bus_lookup = g_cancellable_new(); |
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g_bus_get(G_BUS_TYPE_SESSION, self->priv->bus_lookup, bus_got_cb, self); |
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}
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ServiceGDBusWrapper* |
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service_gdbus_wrapper_new() |
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{
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return g_object_new(SERVICE_TYPE_GDBUS_WRAPPER, NULL); |
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}
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static void |
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bus_got_cb (GObject *object, GAsyncResult * res, gpointer user_data) |
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{
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GError * error = NULL; |
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ServiceGDBusWrapper * self = SERVICE_GDBUS_WRAPPER(user_data); |
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GDBusConnection * bus; |
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bus = g_bus_get_finish(res, &error); |
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if (error != NULL) { |
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g_critical("Unable to get bus: %s", error->message); |
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g_error_free(error); |
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return; |
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}
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self->priv->bus = bus; |
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/* Register object */
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self->priv->bus_registration = g_dbus_connection_register_object(bus, |
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/* path */ "/com/canonical/gdbus_wrapper", |
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/* interface */ iface_info, |
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/* vtable */ &bus_vtable, |
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/* userdata */ self, |
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/* destroy */ NULL, |
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/* error */ &error); |
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if (error != NULL) { |
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g_critical ("Unable to create bus connection object, %s", error->message); |
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g_error_free(error); |
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return; |
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}
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return; |
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}
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static void |
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bus_method (GDBusConnection *connection, const gchar *sender, const gchar *object_path, const gchar *interface_name, const gchar *method_name, GVariant *parameters, GDBusMethodInvocation *invocation, gpointer user_data) |
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{
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if (g_strcmp0(method_name, "TestMethod") == 0) |
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{
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GVariant * ret = NULL; |
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GVariant * sig_data = NULL; |
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GVariant * tmp = NULL; |
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gchar * query = NULL; |
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GError * error = NULL; |
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g_variant_get(parameters, "(s)", &query); |
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tmp = g_variant_new_string(query); |
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ret = g_variant_new_tuple(&tmp, 1); |
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g_dbus_method_invocation_return_value(invocation, ret); |
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tmp = NULL; |
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// emit a signal with the same string as passed in every time this method is called
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tmp = g_variant_new_string(query); |
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sig_data = g_variant_new_tuple(&tmp, 1); |
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g_dbus_connection_emit_signal(connection, |
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NULL, /* destination bus, we don't care */ |
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"/com/canonical/gdbus_wrapper", /* object path */ |
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"com.canonical.gdbus_wrapper", /* interface name */ |
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"TestSignal", /* Signal name */ |
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sig_data, /* parameter */ |
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&error); /* error */ |
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if (error != NULL) |
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{
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g_critical ("could not emit signal TestSignal with data %s", query); |
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g_error_free(error); |
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}
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g_free(query); |
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}
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return; |
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}
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