ubus: add keep functionality to set_config-call

Signed-off-by: Steven Barth <steven@midlink.org>

diff --git a/ubus.c b/ubus.c
index 53812082676deefc4a14047de85c137663be5f32..3cf2313f1f0eb49a5e4e6e67e51a73463144db88 100644 (file)
--- a/ubus.c
+++ b/ubus.c
@@ -120,8 +120,15 @@ mdns_hosts(struct ubus_context *ctx, struct ubus_object *obj,
        return UBUS_STATUS_OK;
 }
 
+enum {
+       CFG_INTERFACES,
+       CFG_KEEP,
+       CFG_MAX
+};
+
 static const struct blobmsg_policy config_policy[] = {
-       { "interfaces", BLOBMSG_TYPE_ARRAY },
+       [CFG_INTERFACES]        = { "interfaces", BLOBMSG_TYPE_ARRAY },
+       [CFG_KEEP]              = { "keep", BLOBMSG_TYPE_BOOL },
 };
 
 static int
@@ -129,20 +136,27 @@ mdns_set_config(struct ubus_context *ctx, struct ubus_object *obj,
                    struct ubus_request_data *req, const char *method,
                    struct blob_attr *msg)
 {
-       struct blob_attr *data, *cur;
-       int rem;
+       struct blob_attr *data[CFG_MAX], *cur;
+       int rem, keep = false;
 
-       blobmsg_parse(config_policy, 1, &data, blob_data(msg), blob_len(msg));
-       if (!data)
+       blobmsg_parse(config_policy, CFG_MAX, data, blob_data(msg), blob_len(msg));
+       if (!data[CFG_INTERFACES])
                return UBUS_STATUS_INVALID_ARGUMENT;
 
-       if (!blobmsg_check_attr_list(data, BLOBMSG_TYPE_STRING))
+       if (!blobmsg_check_attr_list(data[CFG_INTERFACES], BLOBMSG_TYPE_STRING))
                return UBUS_STATUS_INVALID_ARGUMENT;
 
-       vlist_update(&interfaces);
-       blobmsg_for_each_attr(cur, data, rem)
+       keep = data[CFG_KEEP] && blobmsg_get_bool(data[CFG_KEEP]);
+       if (!keep) {
+               vlist_update(&interfaces);
+               ubus_notify(ctx, obj, "set_config", NULL, 1000);
+       }
+
+       blobmsg_for_each_attr(cur, data[CFG_INTERFACES], rem)
                interface_add(blobmsg_data(cur));
-       vlist_flush(&interfaces);
+
+       if (!keep)
+               vlist_flush(&interfaces);
 
        return 0;
 }