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Diffstat (limited to 'lib/frrlua.h')
| -rw-r--r-- | lib/frrlua.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/lib/frrlua.h b/lib/frrlua.h new file mode 100644 index 0000000000..374eb70311 --- /dev/null +++ b/lib/frrlua.h @@ -0,0 +1,88 @@ +/* + * This file defines the lua interface into + * FRRouting. + * + * Copyright (C) 2016 Cumulus Networks, Inc. + * Donald Sharp + * + * This file is part of FreeRangeRouting (FRR). + * + * FRR is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2, or (at your option) any later version. + * + * FRR is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License along + * with FRR; see the file COPYING. If not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#ifndef __LUA_H__ +#define __LUA_H__ + +#if defined(HAVE_LUA) + +#include "lua.h" +#include "lualib.h" +#include "lauxlib.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * These functions are helper functions that + * try to glom some of the lua_XXX functionality + * into what we actually need, instead of having + * to make multiple calls to set up what + * we want + */ +enum lua_rm_status { + /* + * Script function run failure. This will translate into a + * deny + */ + LUA_RM_FAILURE = 0, + /* + * No Match was found for the route map function + */ + LUA_RM_NOMATCH, + /* + * Match was found but no changes were made to the + * incoming data. + */ + LUA_RM_MATCH, + /* + * Match was found and data was modified, so + * figure out what changed + */ + LUA_RM_MATCH_AND_CHANGE, +}; + +/* + * Open up the lua.scr file and parse + * initial global values, if any. + */ +lua_State *lua_initialize(const char *file); + +void lua_setup_prefix_table(lua_State *L, const struct prefix *prefix); + +enum lua_rm_status lua_run_rm_rule(lua_State *L, const char *rule); + +/* + * Get particular string/integer information + * from a table. It is *assumed* that + * the table has already been selected + */ +const char *get_string(lua_State *L, const char *key); +int get_integer(lua_State *L, const char *key); + +#ifdef __cplusplus +} +#endif + +#endif +#endif |
