get config

[protos/libecoli.git] / lib / ecoli_node.h

diff --git a/lib/ecoli_node.h b/lib/ecoli_node.h
index b6380b0..63178f7 100644 (file)
--- a/lib/ecoli_node.h
+++ b/lib/ecoli_node.h
@@ -55,6 +55,8 @@ struct ec_parse;
 struct ec_comp;
 struct ec_strvec;
 struct ec_keyval;
+struct ec_config;
+struct ec_config_schema;
 
 #define EC_NODE_TYPE_REGISTER(t)                                       \
        static void ec_node_init_##t(void);                             \
@@ -69,9 +71,8 @@ struct ec_keyval;
 
 TAILQ_HEAD(ec_node_type_list, ec_node_type);
 
-/* return 0 on success, else -errno. */
-typedef int (*ec_node_build_t)(struct ec_node *node);
-
+typedef int (*ec_node_set_config_t)(struct ec_node *node,
+                               const struct ec_config *config);
 typedef int (*ec_node_parse_t)(const struct ec_node *node,
                        struct ec_parse *state,
                        const struct ec_strvec *strvec);
@@ -88,6 +89,10 @@ typedef void (*ec_node_free_priv_t)(struct ec_node *);
 struct ec_node_type {
        TAILQ_ENTRY(ec_node_type) next;  /**< Next in list. */
        const char *name;                /**< Node type name. */
+       /** Generic configuration schema. */
+       const struct ec_config_schema *schema;
+       size_t schema_len;               /**< Number of elts in schema array. */
+       ec_node_set_config_t set_config; /* validate/ack a config change */
        ec_node_parse_t parse;
        ec_node_complete_t complete;
        ec_node_desc_t desc;
@@ -124,6 +129,7 @@ void ec_node_type_dump(FILE *out);
 
 struct ec_node {
        const struct ec_node_type *type;
+       struct ec_config *config;    /**< Generic configuration. */
        char *id;
        char *desc;
        struct ec_keyval *attrs;
@@ -142,6 +148,15 @@ struct ec_node *ec_node(const char *typename, const char *id);
 struct ec_node *ec_node_clone(struct ec_node *node);
 void ec_node_free(struct ec_node *node);
 
+/* set configuration of a node
+ * after a call to this function, the config is
+ * owned by the node and must not be used by the caller
+ * on error, the config is freed. */
+int ec_node_set_config(struct ec_node *node, struct ec_config *config);
+
+/* get the current node configuration. Return NULL if no configuration. */
+const struct ec_config *ec_node_get_config(struct ec_node *node);
+
 size_t ec_node_get_children_count(const struct ec_node *node);
 struct ec_node *
 ec_node_get_child(const struct ec_node *node, size_t i);