hide ec_node structure

[protos/libecoli.git] / src / ecoli_node.c

diff --git a/src/ecoli_node.c b/src/ecoli_node.c
index 07ef9e5..935f4e6 100644 (file)
--- a/src/ecoli_node.c
+++ b/src/ecoli_node.c
@@ -25,6 +25,20 @@
 
 EC_LOG_TYPE_REGISTER(node);
 
+struct ec_node {
+       const struct ec_node_type *type;
+       struct ec_config *config;    /**< Generic configuration. */
+       char *id;
+       char *desc;
+       struct ec_dict *attrs;
+       unsigned int refcnt;
+       struct {
+               enum ec_node_free_state state; /**< State of loop detection */
+               unsigned int refcnt;    /**< Number of reachable references
+                                        *   starting from node beeing freed */
+       } free; /**< Freeing state: used for loop detection */
+};
+
 static struct ec_node_type_list node_type_list =
        TAILQ_HEAD_INITIALIZER(node_type_list);
 
@@ -44,8 +58,6 @@ ec_node_type_lookup(const char *name)
 
 int ec_node_type_register(struct ec_node_type *type)
 {
-       EC_CHECK_ARG(type->size >= sizeof(struct ec_node), -1, EINVAL);
-
        if (ec_node_type_lookup(type->name) != NULL) {
                errno = EEXIST;
                return -1;
@@ -75,7 +87,7 @@ struct ec_node *ec_node_from_type(const struct ec_node_type *type, const char *i
                goto fail;
        }
 
-       node = ec_calloc(1, type->size);
+       node = ec_calloc(1, sizeof(*node) + type->size);
        if (node == NULL)
                goto fail;
 
@@ -428,6 +440,18 @@ int ec_node_check_type(const struct ec_node *node,
        return 0;
 }
 
+const char *ec_node_get_type_name(const struct ec_node *node)
+{
+       return node->type->name;
+}
+
+void *ec_node_priv(const struct ec_node *node)
+{
+       if (node == NULL)
+               return NULL;
+       return (void *)(node + 1);
+}
+
 /* LCOV_EXCL_START */
 static int ec_node_testcase(void)
 {