more changes for config reload handling

[project/netifd.git] / config.c

diff --git a/config.c b/config.c
index ff0410d..4f3a3cd 100644 (file)
--- a/config.c
+++ b/config.c
@@ -274,22 +274,56 @@ config_check_equal(struct blob_attr *c1, struct blob_attr *c2,
        return true;
 }
 
-void
-config_init_interfaces(const char *name)
+struct blob_attr *
+config_memdup(struct blob_attr *attr)
 {
-       struct uci_context *ctx;
+       struct blob_attr *ret;
+       int size = blob_pad_len(attr);
+
+       ret = malloc(size);
+       if (!ret)
+               return NULL;
+
+       memcpy(ret, attr, size);
+       return ret;
+}
+
+static struct uci_package *
+config_init_package(const char *config)
+{
+       struct uci_context *ctx = uci_ctx;
        struct uci_package *p = NULL;
-       struct uci_element *e;
 
-       ctx = uci_alloc_context();
-       uci_ctx = ctx;
+       if (!ctx) {
+               ctx = uci_alloc_context();
+               uci_ctx = ctx;
 
 #ifdef DUMMY_MODE
-       uci_set_confdir(ctx, "./config");
-       uci_set_savedir(ctx, "./tmp");
+               uci_set_confdir(ctx, "./config");
+               uci_set_savedir(ctx, "./tmp");
 #endif
+       } else {
+               p = uci_lookup_package(ctx, config);
+               if (p)
+                       uci_unload(ctx, p);
+       }
+
+       if (uci_load(ctx, "network", &p))
+               return NULL;
+
+       return p;
+}
+
+void
+config_init_interfaces(const char *name)
+{
+       struct uci_context *ctx;
+       struct uci_package *p = NULL;
+       struct uci_element *e;
 
-       if (uci_load(ctx, "network", &p)) {
+       p = config_init_package("network");
+       ctx = uci_ctx;
+       if (!p) {
                fprintf(stderr, "Failed to load network config\n");
                return;
        }