lib: Change frrscript to hold many Lua states

Instead of 1 frrscript : 1 lua state, it is changed to 1 : N.
The states are hashed with their function names.

Signed-off-by: Donald Lee <dlqs@gmx.com>

1 files changed, 19 insertions, 2 deletions

diff --git a/lib/frrscript.h b/lib/frrscript.h
index 8612c602f3..97e543eb00 100644
--- a/lib/frrscript.h
+++ b/lib/frrscript.h
@@ -40,14 +40,31 @@ struct frrscript_codec {
 	decoder_func decoder;
 };
 
+struct lua_function_state {
+	const char *name;
+	lua_State *L;
+};
+
+
 struct frrscript {
 	/* Script name */
 	char *name;
 
-	/* Lua state */
-	struct lua_State *L;
+	/* Hash of Lua function name to Lua function state */
+	struct hash *lua_function_hash;
 };
 
+
+/*
+ * Hash related functions for lua_function_hash
+ */
+
+void *lua_function_alloc(void *arg);
+
+unsigned int lua_function_hash_key(const void *data);
+
+bool lua_function_hash_cmp(const void *d1, const void *d2);
+
 struct frrscript_env {
 	/* Value type */
 	const char *typename;