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gdbus: Implement DBus.Properties.Get method

This commit is contained in:
Lucas De Marchi 2012-10-04 04:26:28 -03:00 committed by Marcel Holtmann
parent 1315c48085
commit 337e908edd
2 changed files with 69 additions and 1 deletions
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8
gdbus/gdbus.h
View File

@ -66,6 +66,12 @@ typedef void (* GDBusDestroyFunction) (void *user_data);
typedef DBusMessage * (* GDBusMethodFunction) (DBusConnection *connection,
DBusMessage *message, void *user_data);
typedef gboolean (*GDBusPropertyGetter)(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data);
typedef gboolean (*GDBusPropertyExists)(const GDBusPropertyTable *property,
void *data);
typedef guint32 GDBusPendingReply;
typedef void (* GDBusSecurityFunction) (DBusConnection *connection,
@ -116,6 +122,8 @@ struct GDBusSignalTable {
struct GDBusPropertyTable {
const char *name;
const char *type;
GDBusPropertyGetter get;
GDBusPropertyExists exists;
GDBusPropertyFlags flags;
};

62
gdbus/object.c
View File

@ -507,10 +507,70 @@ static const GDBusMethodTable introspect_methods[] = {
{ }
};
static inline const GDBusPropertyTable *find_property(const GDBusPropertyTable *properties,
const char *name)
{
const GDBusPropertyTable *p;
for (p = properties; p && p->name; p++) {
if (strcmp(name, p->name) == 0)
return p;
}
return NULL;
}
static DBusMessage *properties_get(DBusConnection *connection,
DBusMessage *message, void *user_data)
{
return NULL;
struct generic_data *data = user_data;
struct interface_data *iface;
const GDBusPropertyTable *property;
const char *interface, *name;
DBusMessageIter iter, value;
DBusMessage *reply;
if (!dbus_message_get_args(message, NULL,
DBUS_TYPE_STRING, &interface,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID))
return NULL;
iface = find_interface(data->interfaces, interface);
if (iface == NULL)
return g_dbus_create_error(message, DBUS_ERROR_INVALID_ARGS,
"No such interface '%s'", interface);
property = find_property(iface->properties, name);
if (property == NULL)
return g_dbus_create_error(message, DBUS_ERROR_INVALID_ARGS,
"No such property '%s'", name);
if (property->exists != NULL &&
!property->exists(property, iface->user_data))
return g_dbus_create_error(message, DBUS_ERROR_INVALID_ARGS,
"No such property '%s'", name);
if (property->get == NULL)
return g_dbus_create_error(message, DBUS_ERROR_INVALID_ARGS,
"Property '%s' is not readable", name);
reply = dbus_message_new_method_return(message);
if (reply == NULL)
return NULL;
dbus_message_iter_init_append(reply, &iter);
dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
property->type, &value);
if (!property->get(property, &value, iface->user_data)) {
dbus_message_unref(reply);
return NULL;
}
dbus_message_iter_close_container(&iter, &value);
return reply;
}
static DBusMessage *properties_get_all(DBusConnection *connection,