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authorSantiago Carot-Nemesio <sancane@gmail.com>2011-12-09 19:18:59 +0100
committerJohan Hedberg <johan.hedberg@intel.com>2011-12-15 13:23:29 +0200
commit563ef8324c6994e0383138802349490d8168af30 (patch)
tree638d814366c2f6b77f00e074444573ff9c32e7c0 /thermometer
parent110f1830d78a12028bb6cb7732db8c87fd84987a (diff)
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thermometer: Implement SetProperty D-Bus method
Diffstat (limited to 'thermometer')
-rw-r--r--thermometer/thermometer.c118
1 files changed, 99 insertions, 19 deletions
diff --git a/thermometer/thermometer.c b/thermometer/thermometer.c
index e3872c9d..cacf579a 100644
--- a/thermometer/thermometer.c
+++ b/thermometer/thermometer.c
@@ -103,6 +103,11 @@ struct measurement {
gchar *value;
};
+struct tmp_interval_data {
+ struct thermometer *thermometer;
+ guint16 interval;
+};
+
static GSList *thermometers = NULL;
const char *temp_type[] = {
@@ -223,6 +228,30 @@ static gint cmp_descriptor(gconstpointer a, gconstpointer b)
return bt_uuid_cmp(&desc->uuid, uuid);
}
+static struct characteristic *get_characteristic(struct thermometer *t,
+ const gchar *uuid)
+{
+ GSList *l;
+
+ l = g_slist_find_custom(t->chars, uuid, cmp_char_uuid);
+ if (l == NULL)
+ return NULL;
+
+ return l->data;
+}
+
+static struct descriptor *get_descriptor(struct characteristic *ch,
+ const bt_uuid_t *uuid)
+{
+ GSList *l;
+
+ l = g_slist_find_custom(ch->desc, uuid, cmp_descriptor);
+ if (l == NULL)
+ return NULL;
+
+ return l->data;
+}
+
static void change_property(struct thermometer *t, const gchar *name,
gpointer value) {
if (g_strcmp0(name, "Intermediate") == 0) {
@@ -531,36 +560,87 @@ static DBusMessage *get_properties(DBusConnection *conn, DBusMessage *msg,
return reply;
}
-static DBusMessage *set_property(DBusConnection *conn, DBusMessage *msg,
- void *data)
+static void write_interval_cb (guint8 status, const guint8 *pdu, guint16 len,
+ gpointer user_data)
{
- /* TODO: */
- return g_dbus_create_error(msg, ERROR_INTERFACE ".ThermometerError",
- "Function not implemented.");
+ struct tmp_interval_data *data = user_data;
+
+ if (status != 0) {
+ error("Interval Write Request failed %s",
+ att_ecode2str(status));
+ goto done;
+ }
+
+ if (!dec_write_resp(pdu, len)) {
+ error("Interval Write Request: protocol error");
+ goto done;
+ }
+
+ change_property(data->thermometer, "Interval", &data->interval);
+
+done:
+ g_free(user_data);
}
-static struct characteristic *get_characteristic(struct thermometer *t,
- const gchar *uuid)
+static DBusMessage *write_attr_interval(struct thermometer *t, DBusMessage *msg,
+ guint16 value)
{
- GSList *l;
+ struct tmp_interval_data *data;
+ struct characteristic *ch;
+ guint8 atval[2];
- l = g_slist_find_custom(t->chars, uuid, cmp_char_uuid);
- if (l == NULL)
- return NULL;
+ ch = get_characteristic(t, MEASUREMENT_INTERVAL_UUID);
+ if (ch == NULL)
+ return btd_error_not_available(msg);
- return l->data;
+ if (value < t->min || value > t->max)
+ return btd_error_invalid_args(msg);
+
+ att_put_u16(value, &atval[0]);
+
+ data = g_new0(struct tmp_interval_data, 1);
+ data->thermometer = t;
+ data->interval = value;
+ gatt_write_char(t->attrib, ch->attr.value_handle, atval, 2,
+ write_interval_cb, data);
+
+ return dbus_message_new_method_return(msg);
}
-static struct descriptor *get_descriptor(struct characteristic *ch,
- const bt_uuid_t *uuid)
+static DBusMessage *set_property(DBusConnection *conn, DBusMessage *msg,
+ void *data)
{
- GSList *l;
+ struct thermometer *t = data;
+ const char *property;
+ DBusMessageIter iter;
+ DBusMessageIter sub;
+ guint16 value;
- l = g_slist_find_custom(ch->desc, uuid, cmp_descriptor);
- if (l == NULL)
- return NULL;
+ if (!dbus_message_iter_init(msg, &iter))
+ return btd_error_invalid_args(msg);
- return l->data;
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return btd_error_invalid_args(msg);
+
+ dbus_message_iter_get_basic(&iter, &property);
+ if (g_strcmp0("Interval", property) != 0)
+ return btd_error_invalid_args(msg);
+
+ if (!t->has_interval)
+ return btd_error_not_available(msg);
+
+ dbus_message_iter_next(&iter);
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+ return btd_error_invalid_args(msg);
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_UINT16)
+ return btd_error_invalid_args(msg);
+
+ dbus_message_iter_get_basic(&sub, &value);
+
+ return write_attr_interval(t, msg, value);
}
static void measurement_cb(guint8 status, const guint8 *pdu,