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107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
/*
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* Copyright (C) 2016-2019 Cumulus Networks, Inc.
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* Donald Sharp, Quentin Young
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __FRRLUA_H__
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#define __FRRLUA_H__
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#if defined(HAVE_LUA)
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#include "lua.h"
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#include "lualib.h"
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#include "lauxlib.h"
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#include "prefix.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Status enum for Lua routemap processing results
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*/
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enum frrlua_rm_status {
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/*
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* Script function run failure. This will translate into a
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* deny
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*/
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LUA_RM_FAILURE = 0,
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/*
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* No Match was found for the route map function
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*/
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LUA_RM_NOMATCH,
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/*
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* Match was found but no changes were made to the
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* incoming data.
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*/
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LUA_RM_MATCH,
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/*
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* Match was found and data was modified, so
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* figure out what changed
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*/
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LUA_RM_MATCH_AND_CHANGE,
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};
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/*
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* Creates a new Lua state, loads all libraries, and if a script is provided,
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* runs it.
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*
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* Returns:
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* The new Lua state.
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*/
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lua_State *frrlua_initialize(const char *file);
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/*
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* Pushes a new table containing relevant fields from a prefix structure.
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*
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* Additionally sets the global variable "prefix" to point at this table.
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*/
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void frrlua_newtable_prefix(lua_State *L, const struct prefix *prefix);
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/*
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* Pushes a new table containing relevant fields from an interface structure.
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*/
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void frrlua_newtable_interface(lua_State *L, const struct interface *ifp);
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/*
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* Runs a routemap rule or something
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*/
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enum frrlua_rm_status frrlua_run_rm_rule(lua_State *L, const char *rule);
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/*
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* Retrieve a string from table on the top of the stack.
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*
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* key
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* Key of string value in table
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*/
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const char *frrlua_table_get_string(lua_State *L, const char *key);
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/*
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* Retrieve an integer from table on the top of the stack.
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*
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* key
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* Key of string value in table
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*/
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int frrlua_table_get_integer(lua_State *L, const char *key);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAVE_LUA */
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#endif /* __FRRLUA_H__ */
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