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Lua: common log functions

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This commit is contained in:
Jan Moskyto Matejka 2017-02-06 15:25:48 +01:00 committed by Jan Maria Matejka
parent 033a338907
commit c9627b4052
4 changed files with 85 additions and 1 deletions
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2
lua/Makefile
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@ -1,4 +1,4 @@
src := filter.c
src := common.c filter.c
obj := $(src-o-files)
$(all-daemon)
#$(cf-local)

77
lua/common.c Normal file
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@ -0,0 +1,77 @@
#include "nest/bird.h"
#include "filter/filter.h"
#include "lua.h"
#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
static int luaB_err(lua_State *L) {
int n = lua_gettop(L);
if (n != 1)
log(L_WARN "bird.err() accepts exactly 1 argument");
if (n < 1)
return 0;
log(L_ERR "%s", lua_tostring(L, 1));
return 0;
}
static int luaB_warn(lua_State *L) {
int n = lua_gettop(L);
if (n != 1)
log(L_WARN "bird.warn() accepts exactly 1 argument");
if (n < 1)
return 0;
log(L_WARN "%s", lua_tostring(L, 1));
return 0;
}
static int luaB_info(lua_State *L) {
int n = lua_gettop(L);
if (n != 1)
log(L_WARN "bird.info() accepts exactly 1 argument");
if (n < 1)
return 0;
log(L_INFO "%s", lua_tostring(L, 1));
return 0;
}
static int luaB_trace(lua_State *L) {
int n = lua_gettop(L);
if (n != 1)
log(L_WARN "bird.trace() accepts exactly 1 argument");
if (n < 1)
return 0;
log(L_TRACE "%s", lua_tostring(L, 1));
return 0;
}
void luaB_push_bird_table(lua_State *L) {
lua_newtable(L);
lua_pushstring(L, "err");
lua_pushcfunction(L, luaB_err);
lua_settable(L, -3);
lua_pushstring(L, "warn");
lua_pushcfunction(L, luaB_warn);
lua_settable(L, -3);
lua_pushstring(L, "info");
lua_pushcfunction(L, luaB_info);
lua_settable(L, -3);
lua_pushstring(L, "trace");
lua_pushcfunction(L, luaB_trace);
lua_settable(L, -3);
lua_setglobal(L, "bird");
}

2
lua/filter.c
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@ -1,5 +1,6 @@
#include "nest/bird.h"
#include "filter/filter.h"
#include "lua.h"
#include <lua.h>
#include <lualib.h>
@ -8,6 +9,7 @@
int filter_lua_chunk(const char *chunk, struct rte **e, struct rta *a, struct ea_list **ea, struct linpool *lp) {
lua_State *L = luaL_newstate();
luaL_openlibs(L);
luaB_push_bird_table(L);
int le = luaL_dostring(L, chunk);
int out;
if (le) {

5
lua/lua.h Normal file
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@ -0,0 +1,5 @@
#include "nest/bird.h"
#include <lua.h>
void luaB_push_bird_table(lua_State *L);