add udebug support

[project/mdnsd.git] / ubus.c

diff --git a/ubus.c b/ubus.c
index 9982f86fc1e6121682a71ff959a421a8d27f1559..30e612193e541b42d35d93aaec13fba77af5e387 100644 (file)
--- a/ubus.c
+++ b/ubus.c
@@ -28,6 +28,7 @@
 
 static struct ubus_auto_conn conn;
 static struct blob_buf b;
+static struct ubus_subscriber udebug_sub;
 
 static int
 umdns_reload(struct ubus_context *ctx, struct ubus_object *obj,
@@ -283,14 +284,87 @@ static struct ubus_object umdns_object = {
        .n_methods = ARRAY_SIZE(umdns_methods),
 };
 
+static struct blob_attr *
+find_attr(struct blob_attr *attr, const char *name, enum blobmsg_type type)
+{
+       struct blobmsg_policy policy = { name, type };
+       struct blob_attr *ret;
+
+       if (!attr)
+               return NULL;
+
+       blobmsg_parse_attr(&policy, 1, &ret, attr);
+
+       return ret;
+}
+
+static void
+umdns_udebug_config_cb(struct blob_attr *data)
+{
+       enum {
+               CFG_ATTR_ENABLED,
+               __CFG_ATTR_MAX
+       };
+       static const struct blobmsg_policy policy[__CFG_ATTR_MAX] = {
+               [CFG_ATTR_ENABLED] = { "enabled", BLOBMSG_TYPE_STRING },
+       };
+       struct blob_attr *tb[__CFG_ATTR_MAX];
+       bool en;
+
+       data = find_attr(data, "service", BLOBMSG_TYPE_TABLE);
+       data = find_attr(data, "umdns", BLOBMSG_TYPE_TABLE);
+       if (!data)
+               return;
+
+       blobmsg_parse_attr(policy, __CFG_ATTR_MAX, tb, data);
+       if (!tb[CFG_ATTR_ENABLED])
+               return;
+
+       en = !!atoi(blobmsg_get_string(tb[CFG_ATTR_ENABLED]));
+       umdns_udebug_set_enabled(en);
+}
+
+static int
+umdns_udebug_notify_cb(struct ubus_context *ctx, struct ubus_object *obj,
+                       struct ubus_request_data *req, const char *method,
+                       struct blob_attr *msg)
+{
+       umdns_udebug_config_cb(msg);
+
+       return 0;
+}
+
+static void
+umdns_udebug_req_cb(struct ubus_request *req, int type, struct blob_attr *msg)
+{
+       umdns_udebug_config_cb(msg);
+}
+
+static bool
+umdns_udebug_sub_cb(struct ubus_context *ctx, struct ubus_subscriber *sub,
+                    const char *path)
+{
+       return !strcmp(path, "udebug");
+}
+
+
 static void
 ubus_connect_handler(struct ubus_context *ctx)
 {
+       uint32_t id;
        int ret;
 
        ret = ubus_add_object(ctx, &umdns_object);
        if (ret)
                fprintf(stderr, "Failed to add object: %s\n", ubus_strerror(ret));
+
+       udebug_sub.cb = umdns_udebug_notify_cb;
+       udebug_sub.new_obj_cb = umdns_udebug_sub_cb;
+       ubus_register_subscriber(&conn.ctx, &udebug_sub);
+       if (ubus_lookup_id(&conn.ctx, "udebug", &id) == 0) {
+               ubus_subscribe(&conn.ctx, &udebug_sub, id);
+               ubus_invoke(&conn.ctx, id, "get_config", NULL, umdns_udebug_req_cb, NULL, 1000);
+       }
 }
 
 void