/**
* Copyright (C) 2010-2016 Daniel-Constantin Mierla (asipto.com)
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio 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 of the License, or
* (at your option) any later version
*
* Kamailio 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "../../core/sr_module.h"
#include "../../core/dprint.h"
#include "../../core/ut.h"
#include "../../core/mem/mem.h"
#include "../../core/locking.h"
#include "../../core/data_lump.h"
#include "../../core/data_lump_rpl.h"
#include "../../core/strutils.h"
#include "../../core/rpc.h"
#include "../../core/rpc_lookup.h"
#include "app_lua_api.h"
#include "app_lua_kemi_export.h"
#define KSRVERSION "2.0"
#define KSR_APP_LUA_LOG_EXPORTS (1<<0)
#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM >= 504
#define luaL_openlib ksr_luaL_openlib
#endif
extern int _ksr_app_lua_log_mode;
void lua_sr_kemi_register_libs(lua_State *L);
static app_lua_openlibs_f app_lua_openlibs_cb = NULL;
/**
*
*/
int app_lua_openlibs_register(app_lua_openlibs_f rfunc)
{
app_lua_openlibs_cb = rfunc;
return 0;
}
/**
* reload enabled param
* default: 0 (off)
*/
static unsigned int _app_lua_sr_reload = 1;
/**
*
*/
static sr_lua_env_t _sr_L_env;
/**
*
*/
static int *_app_lua_sv = NULL;
/**
* @return the static Lua env
*/
sr_lua_env_t *sr_lua_env_get(void)
{
return &_sr_L_env;
}
/**
*
*/
static sr_lua_load_t *_sr_lua_load_list = NULL;
/**
* set of locks to manage the shared variable.
*/
static gen_lock_set_t *sr_lua_locks = NULL;
static sr_lua_script_ver_t *sr_lua_script_ver = NULL;
int lua_sr_alloc_script_ver(void)
{
int size = _sr_L_env.nload;
sr_lua_script_ver = (sr_lua_script_ver_t *) shm_malloc(sizeof(sr_lua_script_ver_t));
if(sr_lua_script_ver==NULL)
{
SHM_MEM_ERROR;
return -1;
}
sr_lua_script_ver->version = (unsigned int *) shm_malloc(sizeof(unsigned int)*size);
if(sr_lua_script_ver->version==NULL)
{
SHM_MEM_ERROR;
goto error;
}
memset(sr_lua_script_ver->version, 0, sizeof(unsigned int)*size);
sr_lua_script_ver->len = size;
if((sr_lua_locks=lock_set_alloc(size))==0)
{
LM_CRIT("failed to alloc lock set\n");
goto error;
}
if(lock_set_init(sr_lua_locks)==0 )
{
LM_CRIT("failed to init lock set\n");
goto error;
}
return 0;
error:
if(sr_lua_script_ver!=NULL)
{
if(sr_lua_script_ver->version!=NULL)
{
shm_free(sr_lua_script_ver->version);
sr_lua_script_ver->version = NULL;
}
shm_free(sr_lua_script_ver);
sr_lua_script_ver = NULL;
}
if(sr_lua_locks!=NULL)
{
lock_set_destroy( sr_lua_locks );
lock_set_dealloc( sr_lua_locks );
sr_lua_locks = NULL;
}
return -1;
}
/**
*
*/
int sr_lua_load_script(char *script)
{
sr_lua_load_t *li;
li = (sr_lua_load_t*)pkg_malloc(sizeof(sr_lua_load_t));
if(li==NULL)
{
PKG_MEM_ERROR;
return -1;
}
memset(li, 0, sizeof(sr_lua_load_t));
li->script = script;
li->version = 0;
li->next = _sr_lua_load_list;
_sr_lua_load_list = li;
_sr_L_env.nload += 1;
LM_DBG("loaded script:[%s].\n", script);
LM_DBG("Now there are %d scripts loaded\n", _sr_L_env.nload);
return 0;
}
/**
*
*/
int sr_lua_reload_module(unsigned int reload)
{
LM_DBG("reload:%d\n", reload);
if(reload!=0) {
_app_lua_sr_reload = 1;
LM_DBG("reload param activated!\n");
} else {
_app_lua_sr_reload = 0;
LM_DBG("reload param inactivated!\n");
}
return 0;
}
#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM >= 504
/**
*
*/
void ksr_luaL_openlib_mode(lua_State *L, const char *libname,
const luaL_Reg *lfuncs, int nup, int mode)
{
char modname[256];
char *submod = NULL;
int tidx = 0;
if(mode) {
/* support for registering 'module.submodule' functions
* - 'module' functions must be registered first */
if(strlen(libname)>254) {
LM_ERR("module name is too long [%s]\n", libname);
return;
}
strcpy(modname, libname);
submod = strchr(modname, '.');
if(submod != NULL) {
*submod = '\0';
submod++;
}
lua_getglobal(L, modname);
if (lua_isnil(L, -1)) {
if(submod != NULL) {
LM_ERR("main module not registered yet [%s]\n", libname);
return;
}
lua_pop(L, 1);
lua_newtable(L);
luaL_setfuncs(L, lfuncs, 0);
lua_setglobal(L, modname);
return;
}
tidx = lua_gettop(L);
lua_newtable(L);
luaL_setfuncs(L, lfuncs, 0);
lua_setfield(L, tidx, submod);
return;
}
lua_newtable(L);
luaL_setfuncs(L, lfuncs, 0);
lua_setglobal(L, libname);
}
/**
*
*/
void ksr_luaL_openlib(lua_State *L, const char *libname,
const luaL_Reg *lfuncs, int nup)
{
ksr_luaL_openlib_mode(L, libname, lfuncs, nup, 1);
}
#endif
/**
*
*/
void lua_sr_openlibs(lua_State *L)
{
if(app_lua_openlibs_cb!=NULL) {
app_lua_openlibs_cb(L);
}
lua_sr_kemi_register_libs(L);
}
/**
*
*/
int lua_sr_init_mod(void)
{
/* allocate shm */
if(lua_sr_alloc_script_ver()<0) {
LM_CRIT("failed to alloc shm for version\n");
return -1;
}
memset(&_sr_L_env, 0, sizeof(sr_lua_env_t));
return 0;
}
/**
*
*/
int lua_sr_init_probe(void)
{
lua_State *L;
char *txt;
sr_lua_load_t *li;
struct stat sbuf;
L = luaL_newstate();
if(L==NULL)
{
LM_ERR("cannot open lua\n");
return -1;
}
luaL_openlibs(L);
lua_sr_openlibs(L);
/* force loading lua lib now */
if(luaL_dostring(L, "KSR.x.probe()")!=0)
{
txt = (char*)lua_tostring(L, -1);
LM_ERR("error initializing Lua: %s\n", (txt)?txt:"unknown");
lua_pop(L, 1);
lua_close(L);
return -1;
}
/* test if files to be loaded exist */
if(_sr_lua_load_list != NULL)
{
li = _sr_lua_load_list;
while(li)
{
if(stat(li->script, &sbuf)!=0)
{
/* file does not exist */
LM_ERR("cannot find script: %s (wrong path?)\n",
li->script);
lua_close(L);
return -1;
}
li = li->next;
}
}
lua_close(L);
LM_DBG("Lua probe was ok!\n");
return 0;
}
/**
*
*/
int lua_sr_init_child(void)
{
sr_lua_load_t *li;
int ret;
char *txt;
memset(&_sr_L_env, 0, sizeof(sr_lua_env_t));
_sr_L_env.L = luaL_newstate();
if(_sr_L_env.L==NULL)
{
LM_ERR("cannot open lua\n");
return -1;
}
luaL_openlibs(_sr_L_env.L);
lua_sr_openlibs(_sr_L_env.L);
/* set KSR lib version */
#if LUA_VERSION_NUM >= 502
lua_pushstring(_sr_L_env.L, KSRVERSION);
lua_setglobal(_sr_L_env.L, "KSRVERSION");
#else
lua_pushstring(_sr_L_env.L, "KSRVERSION");
lua_pushstring(_sr_L_env.L, KSRVERSION);
lua_settable(_sr_L_env.L, LUA_GLOBALSINDEX);
#endif
if(_sr_lua_load_list != NULL)
{
_sr_L_env.LL = luaL_newstate();
if(_sr_L_env.LL==NULL)
{
LM_ERR("cannot open lua loading state\n");
return -1;
}
luaL_openlibs(_sr_L_env.LL);
lua_sr_openlibs(_sr_L_env.LL);
/* set SR lib version */
#if LUA_VERSION_NUM >= 502
lua_pushstring(_sr_L_env.LL, KSRVERSION);
lua_setglobal(_sr_L_env.LL, "KSRVERSION");
#else
lua_pushstring(_sr_L_env.LL, "KSRVERSION");
lua_pushstring(_sr_L_env.LL, KSRVERSION);
lua_settable(_sr_L_env.LL, LUA_GLOBALSINDEX);
#endif
/* force loading lua lib now */
if(luaL_dostring(_sr_L_env.LL, "KSR.x.probe()")!=0)
{
txt = (char*)lua_tostring(_sr_L_env.LL, -1);
LM_ERR("error initializing Lua: %s\n", (txt)?txt:"unknown");
lua_pop(_sr_L_env.LL, 1);
lua_sr_destroy();
return -1;
}
li = _sr_lua_load_list;
while(li)
{
ret = luaL_dofile(_sr_L_env.LL, (const char*)li->script);
if(ret!=0)
{
LM_ERR("failed to load Lua script: %s (err: %d)\n",
li->script, ret);
txt = (char*)lua_tostring(_sr_L_env.LL, -1);
LM_ERR("error from Lua: %s\n", (txt)?txt:"unknown");
lua_pop(_sr_L_env.LL, 1);
lua_sr_destroy();
return -1;
}
li = li->next;
}
}
LM_DBG("Lua initialized!\n");
return 0;
}
/**
*
*/
void lua_sr_destroy(void)
{
if(_sr_L_env.L!=NULL)
{
lua_close(_sr_L_env.L);
_sr_L_env.L = NULL;
}
if(_sr_L_env.LL!=NULL)
{
lua_close(_sr_L_env.LL);
_sr_L_env.LL = NULL;
}
memset(&_sr_L_env, 0, sizeof(sr_lua_env_t));
if(sr_lua_script_ver!=NULL)
{
shm_free(sr_lua_script_ver->version);
shm_free(sr_lua_script_ver);
}
if (sr_lua_locks!=NULL)
{
lock_set_destroy( sr_lua_locks );
lock_set_dealloc( sr_lua_locks );
sr_lua_locks = 0;
}
if(_app_lua_sv!=NULL) {
pkg_free(_app_lua_sv);
_app_lua_sv = 0;
}
}
/**
*
*/
int lua_sr_list_script(sr_lua_load_t **list)
{
*list = _sr_lua_load_list;
return 0;
}
/**
* Mark script in pos to be reloaded
* pos -1: reload all scritps
*/
int lua_sr_reload_script(int pos)
{
int i, len = sr_lua_script_ver->len;
if(_sr_lua_load_list!= NULL)
{
if (!sr_lua_script_ver)
{
LM_CRIT("shm for version not allocated\n");
return -1;
}
if (_app_lua_sr_reload==0)
{
LM_ERR("reload is not activated\n");
return -3;
}
if (pos<0)
{
// let's mark all the scripts to be reloaded
for (i=0;i<len;i++)
{
lock_set_get(sr_lua_locks, i);
sr_lua_script_ver->version[i] += 1;
lock_set_release(sr_lua_locks, i);
}
}
else
{
if (pos>=0 && pos<len)
{
lock_set_get(sr_lua_locks, pos);
sr_lua_script_ver->version[pos] += 1;
lock_set_release(sr_lua_locks, pos);
LM_DBG("pos: %d set to reloaded\n", pos);
}
else
{
LM_ERR("pos out of range\n");
return -2;
}
}
return 0;
}
LM_ERR("No script loaded\n");
return -1;
}
/**
* Checks if loaded version matches the shared
* counter. If not equal reloads the script.
*/
int sr_lua_reload_script(void)
{
sr_lua_load_t *li = _sr_lua_load_list;
int ret, i;
char *txt;
int sv_len = sr_lua_script_ver->len;
if(li==NULL)
{
LM_DBG("No script loaded\n");
return 0;
}
if(_app_lua_sv==NULL) {
_app_lua_sv = (int *) pkg_malloc(sizeof(int)*sv_len);
if(_app_lua_sv==NULL)
{
PKG_MEM_ERROR;
return -1;
}
}
for(i=0;i<sv_len;i++)
{
lock_set_get(sr_lua_locks, i);
_app_lua_sv[i] = sr_lua_script_ver->version[i];
lock_set_release(sr_lua_locks, i);
if(li->version!=_app_lua_sv[i])
{
LM_DBG("loaded version:%d needed: %d Let's reload <%s>\n",
li->version, _app_lua_sv[i], li->script);
ret = luaL_dofile(_sr_L_env.LL, (const char*)li->script);
if(ret!=0)
{
LM_ERR("failed to load Lua script: %s (err: %d)\n",
li->script, ret);
txt = (char*)lua_tostring(_sr_L_env.LL, -1);
LM_ERR("error from Lua: %s\n", (txt)?txt:"unknown");
lua_pop(_sr_L_env.LL, 1);
return -1;
}
li->version = _app_lua_sv[i];
LM_DBG("<%s> set to version %d\n", li->script, li->version);
}
else LM_DBG("No need to reload [%s] is version %d\n",
li->script, li->version);
li = li->next;
}
return 1;
}
/**
*
*/
int lua_sr_initialized(void)
{
if(_sr_L_env.L==NULL)
return 0;
return 1;
}
/**
*
*/
int app_lua_return_int(lua_State *L, int v)
{
lua_pushinteger(L, v);
return 1;
}
/**
*
*/
int app_lua_return_error(lua_State *L)
{
lua_pushinteger(L, -1);
return 1;
}
/**
*
*/
int app_lua_return_boolean(lua_State *L, int b)
{
if(b==SRLUA_FALSE)
lua_pushboolean(L, SRLUA_FALSE);
else
lua_pushboolean(L, SRLUA_TRUE);
return 1;
}
/**
*
*/
int app_lua_return_false(lua_State *L)
{
lua_pushboolean(L, SRLUA_FALSE);
return 1;
}
/**
*
*/
int app_lua_return_true(lua_State *L)
{
lua_pushboolean(L, SRLUA_TRUE);
return 1;
}
/**
*
*/
int app_lua_dostring(sip_msg_t *msg, char *script)
{
int ret;
char *txt;
sip_msg_t *bmsg;
LM_DBG("executing Lua string: [[%s]]\n", script);
LM_DBG("lua top index is: %d\n", lua_gettop(_sr_L_env.L));
bmsg = _sr_L_env.msg;
_sr_L_env.msg = msg;
ret = luaL_dostring(_sr_L_env.L, script);
if(ret!=0)
{
txt = (char*)lua_tostring(_sr_L_env.L, -1);
LM_ERR("error from Lua: %s\n", (txt)?txt:"unknown");
lua_pop (_sr_L_env.L, 1);
}
_sr_L_env.msg = bmsg;
return (ret==0)?1:-1;
}
/**
*
*/
int app_lua_dofile(sip_msg_t *msg, char *script)
{
int ret;
char *txt;
sip_msg_t *bmsg;
LM_DBG("executing Lua file: [[%s]]\n", script);
LM_DBG("lua top index is: %d\n", lua_gettop(_sr_L_env.L));
bmsg = _sr_L_env.msg;
_sr_L_env.msg = msg;
ret = luaL_dofile(_sr_L_env.L, script);
if(ret!=0)
{
txt = (char*)lua_tostring(_sr_L_env.L, -1);
LM_ERR("error from Lua: %s\n", (txt)?txt:"unknown");
lua_pop(_sr_L_env.L, 1);
}
_sr_L_env.msg = bmsg;
return (ret==0)?1:-1;
}
/**
*
*/
int app_lua_runstring(sip_msg_t *msg, char *script)
{
int ret;
char *txt;
sip_msg_t *bmsg;
if(_sr_L_env.LL==NULL)
{
LM_ERR("lua loading state not initialized (call: %s)\n", script);
return -1;
}
LM_DBG("running Lua string: [[%s]]\n", script);
LM_DBG("lua top index is: %d\n", lua_gettop(_sr_L_env.LL));
bmsg = _sr_L_env.msg;
_sr_L_env.msg = msg;
ret = luaL_dostring(_sr_L_env.LL, script);
if(ret!=0)
{
txt = (char*)lua_tostring(_sr_L_env.LL, -1);
LM_ERR("error from Lua: %s\n", (txt)?txt:"unknown");
lua_pop (_sr_L_env.LL, 1);
}
_sr_L_env.msg = bmsg;
return (ret==0)?1:-1;
}
/**
*
*/
static str _sr_kemi_lua_exit_string = str_init("~~ksr~exit~~");
/**
*
*/
str* sr_kemi_lua_exit_string_get(void)
{
return &_sr_kemi_lua_exit_string;
}
/**
*
*/
int app_lua_run_ex(sip_msg_t *msg, char *func, char *p1, char *p2,
char *p3, int emode)
{
int n;
int ret;
str txt;
sip_msg_t *bmsg;
int ltop;
if(_sr_L_env.LL==NULL)
{
LM_ERR("lua loading state not initialized (call: %s)\n", func);
return -1;
}
if(_app_lua_sr_reload!=0)
{
/* check the script version loaded */
if(!sr_lua_reload_script())
{
LM_ERR("lua reload failed\n");
return -1;
}
}
else LM_DBG("reload deactivated\n");
LM_DBG("executing Lua function: [[%s]]\n", func);
ltop = lua_gettop(_sr_L_env.LL);
LM_DBG("lua top index is: %d\n", ltop);
lua_getglobal(_sr_L_env.LL, func);
if(!lua_isfunction(_sr_L_env.LL, -1))
{
if(emode) {
LM_ERR("no such function [%s] in lua scripts\n", func);
LM_ERR("top stack type [%d - %s]\n",
lua_type(_sr_L_env.LL, -1),
lua_typename(_sr_L_env.LL,lua_type(_sr_L_env.LL, -1)));
txt.s = (char*)lua_tostring(_sr_L_env.LL, -1);
LM_ERR("error from Lua: %s\n", (txt.s)?txt.s:"unknown");
/* restores the original stack size */
lua_settop(_sr_L_env.LL, ltop);
return -1;
} else {
/* restores the original stack size */
lua_settop(_sr_L_env.LL, ltop);
return 1;
}
}
n = 0;
if(p1!=NULL)
{
lua_pushstring(_sr_L_env.LL, p1);
n++;
if(p2!=NULL)
{
lua_pushstring(_sr_L_env.LL, p2);
n++;
if(p3!=NULL)
{
lua_pushstring(_sr_L_env.LL, p3);
n++;
}
}
}
bmsg = _sr_L_env.msg;
_sr_L_env.msg = msg;
ret = lua_pcall(_sr_L_env.LL, n, 0, 0);
_sr_L_env.msg = bmsg;
if(ret!=0)
{
txt.s = (char*)lua_tostring(_sr_L_env.LL, -1);
n = 0;
if(txt.s!=NULL) {
for(n=0; txt.s[n]!='\0' && _sr_kemi_lua_exit_string.s[n]!='\0';
n++) {
if(txt.s[n] != _sr_kemi_lua_exit_string.s[n])
break;
}
if(txt.s[n]!='\0' || _sr_kemi_lua_exit_string.s[n]!='\0') {
LM_ERR("error from Lua: %s\n", txt.s);
n = 0;
} else {
LM_DBG("ksr error call from Lua: %s\n", txt.s);
n = 1;
}
} else {
LM_ERR("error from Lua: unknown\n");
}
lua_pop(_sr_L_env.LL, 1);
if(n==1) {
/* restores the original stack size */
lua_settop(_sr_L_env.LL, ltop);
return 1;
} else {
LM_ERR("error executing: %s (err: %d)\n", func, ret);
/* restores the original stack size */
lua_settop(_sr_L_env.LL, ltop);
return -1;
}
}
/* restores the original stack size */
lua_settop(_sr_L_env.LL, ltop);
return 1;
}
/**
*
*/
int app_lua_run(sip_msg_t *msg, char *func, char *p1, char *p2,
char *p3)
{
return app_lua_run_ex(msg, func, p1, p2, p3, 1);
}
void app_lua_dump_stack(lua_State *L)
{
int i;
int t;
int top;
top = lua_gettop(L);
LM_DBG("lua stack top index: %d\n", top);
for (i = 1; i <= top; i++)
{
t = lua_type(L, i);
switch (t)
{
case LUA_TSTRING: /* strings */
LM_DBG("[%i:s> %s\n", i, lua_tostring(L, i));
break;
case LUA_TBOOLEAN: /* booleans */
LM_DBG("[%i:b> %s\n", i,
lua_toboolean(L, i) ? "true" : "false");
break;
case LUA_TNUMBER: /* numbers */
LM_DBG("[%i:n> %g\n", i, lua_tonumber(L, i));
break;
default: /* other values */
LM_DBG("[%i:t> %s\n", i, lua_typename(L, t));
break;
}
}
}
/**
*
*/
int sr_kemi_lua_return_int(lua_State* L, sr_kemi_t *ket, int rc)
{
if(ket->rtype==SR_KEMIP_INT) {
lua_pushinteger(L, rc);
return 1;
}
if(ket->rtype==SR_KEMIP_BOOL && rc!=SR_KEMI_FALSE) {
return app_lua_return_true(L);
}
return app_lua_return_false(L);
}
void sr_kemi_lua_push_dict_item(lua_State *L, sr_kemi_dict_item_t *item);
/**
* creates and push a table to the lua stack with
* the elements of the list
*/
void sr_kemi_lua_push_array(lua_State *L, sr_kemi_dict_item_t *item) {
int i = 1;
sr_kemi_dict_item_t *k;
if(!item) {
LM_CRIT("BUG: dict field empty\n");
return;
}
if (item->vtype == SR_KEMIP_ARRAY) {
k = item->v.dict;
} else {
k = item;
}
if(k) {
lua_newtable(L);
}
while(k){
lua_pushnumber(L, i++);
sr_kemi_lua_push_dict_item(L, k);
lua_settable(L, -3);
k = k->next;
}
}
void sr_kemi_lua_push_dict(lua_State *L, sr_kemi_dict_item_t *item) {
sr_kemi_dict_item_t *k = item;
if(!item) {
LM_CRIT("BUG: dict field empty\n");
return;
}
lua_newtable(L);
while(k){
sr_kemi_lua_push_dict_item(L, k->v.dict);
lua_setfield(L, -2, k->name.s);
k = k->next;
}
}
void
sr_kemi_lua_push_dict_item(lua_State *L, sr_kemi_dict_item_t *item)
{
switch(item->vtype) {
case SR_KEMIP_NONE:
LM_CRIT("BUG: vtype is NONE\n");
lua_pushnil(L);
break;
case SR_KEMIP_INT:
lua_pushinteger(L, item->v.n);
break;
case SR_KEMIP_STR:
lua_pushlstring(L, item->v.s.s, item->v.s.len);
break;
case SR_KEMIP_BOOL:
if(item->v.n!=SR_KEMI_FALSE) {
lua_pushboolean(L, SRLUA_TRUE);
} else {
lua_pushboolean(L, SRLUA_FALSE);
}
break;
case SR_KEMIP_NULL:
lua_pushnil(L);
break;
case SR_KEMIP_ARRAY:
sr_kemi_lua_push_array(L, item);
break;
case SR_KEMIP_DICT:
sr_kemi_lua_push_dict(L, item);
break;
default:
LM_DBG("unknown type:%d\n", item->vtype);
/* unknown type - return false */
lua_pushboolean(L, SRLUA_FALSE);
}
}
/**
*
*/
int sr_kemi_lua_return_xval(lua_State* L, sr_kemi_t *ket, sr_kemi_xval_t *rx)
{
switch(rx->vtype) {
case SR_KEMIP_NONE:
return 0;
case SR_KEMIP_INT:
lua_pushinteger(L, rx->v.n);
return 1;
case SR_KEMIP_STR:
lua_pushlstring(L, rx->v.s.s, rx->v.s.len);
return 1;
case SR_KEMIP_BOOL:
if(rx->v.n!=SR_KEMI_FALSE) {
lua_pushboolean(L, SRLUA_TRUE);
} else {
lua_pushboolean(L, SRLUA_FALSE);
}
return 1;
case SR_KEMIP_XVAL:
/* unknown content - return false */
lua_pushboolean(L, SRLUA_FALSE);
return 1;
case SR_KEMIP_NULL:
lua_pushnil(L);
return 1;
case SR_KEMIP_ARRAY:
sr_kemi_lua_push_array(L, rx->v.dict);
sr_kemi_xval_free(rx);
return 1;
case SR_KEMIP_DICT:
sr_kemi_lua_push_dict_item(L, rx->v.dict);
sr_kemi_xval_free(rx);
return 1;
default:
/* unknown type - return false */
lua_pushboolean(L, SRLUA_FALSE);
return 1;
}
}
/**
*
*/
int sr_kemi_lua_exec_func_ex(lua_State* L, sr_kemi_t *ket, int pdelta)
{
int i;
int argc;
int ret;
str *fname;
str *mname;
sr_kemi_val_t vps[SR_KEMI_PARAMS_MAX];
sr_lua_env_t *env_L;
sr_kemi_xval_t *xret;
env_L = sr_lua_env_get();
if(env_L==NULL || env_L->msg==NULL || ket==NULL) {
LM_ERR("invalid Lua environment attributes or parameters\n");
return app_lua_return_false(L);
}
fname = &ket->fname;
mname = &ket->mname;
argc = lua_gettop(L);
if(argc==pdelta && ket->ptypes[0]==SR_KEMIP_NONE) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfm_f)(ket->func))(env_L->msg);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fm_f)(ket->func))(env_L->msg);
return sr_kemi_lua_return_int(L, ket, ret);
}
}
if(argc==pdelta && ket->ptypes[0]!=SR_KEMIP_NONE) {
LM_ERR("invalid number of parameters for: %.*s.%.*s\n",
mname->len, mname->s, fname->len, fname->s);
return app_lua_return_false(L);
}
if(argc>SR_KEMI_PARAMS_MAX+pdelta) {
LM_ERR("too many parameters for: %.*s.%.*s\n",
mname->len, mname->s, fname->len, fname->s);
return app_lua_return_false(L);
}
memset(vps, 0, SR_KEMI_PARAMS_MAX*sizeof(sr_kemi_val_t));
for(i=0; i<SR_KEMI_PARAMS_MAX; i++) {
if(ket->ptypes[i]==SR_KEMIP_NONE) {
break;
}
if(argc<i+pdelta+1) {
LM_ERR("not enough parameters for: %.*s.%.*s\n",
mname->len, mname->s, fname->len, fname->s);
return app_lua_return_false(L);
}
if(ket->ptypes[i]==SR_KEMIP_STR) {
vps[i].s.s = (char*)lua_tostring(L, i+pdelta+1);
if(vps[i].s.s!=NULL) {
if(lua_isstring(L, i+pdelta+1)) {
#if LUA_VERSION_NUM > 501
vps[i].s.len = lua_rawlen(L, i+pdelta+1);
#else
vps[i].s.len = lua_strlen(L, i+pdelta+1);
#endif
} else {
vps[i].s.len = strlen(vps[i].s.s);
}
} else {
vps[i].s.len = 0;
}
LM_DBG("param[%d] for: %.*s is str: %.*s\n", i,
fname->len, fname->s, vps[i].s.len, vps[i].s.s);
} else if(ket->ptypes[i]==SR_KEMIP_INT) {
vps[i].n = lua_tointeger(L, i+pdelta+1);
LM_DBG("param[%d] for: %.*s is int: %d\n", i,
fname->len, fname->s, vps[i].n);
} else {
LM_ERR("unknown parameter type %d (%d)\n", ket->ptypes[i], i);
return app_lua_return_false(L);
}
}
switch(i) {
case 1:
if(ket->ptypes[0]==SR_KEMIP_INT) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmn_f)(ket->func))(env_L->msg, vps[0].n);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmn_f)(ket->func))(env_L->msg, vps[0].n);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else if(ket->ptypes[0]==SR_KEMIP_STR) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfms_f)(ket->func))(env_L->msg, &vps[0].s);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fms_f)(ket->func))(env_L->msg, &vps[0].s);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else {
LM_ERR("invalid parameters for: %.*s\n",
fname->len, fname->s);
return app_lua_return_false(L);
}
break;
case 2:
if(ket->ptypes[0]==SR_KEMIP_INT) {
if(ket->ptypes[1]==SR_KEMIP_INT) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmnn_f)(ket->func))(env_L->msg, vps[0].n, vps[1].n);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmnn_f)(ket->func))(env_L->msg, vps[0].n, vps[1].n);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else if(ket->ptypes[1]==SR_KEMIP_STR) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmns_f)(ket->func))(env_L->msg, vps[0].n, &vps[1].s);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmns_f)(ket->func))(env_L->msg, vps[0].n, &vps[1].s);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else {
LM_ERR("invalid parameters for: %.*s\n",
fname->len, fname->s);
return app_lua_return_false(L);
}
} else if(ket->ptypes[0]==SR_KEMIP_STR) {
if(ket->ptypes[1]==SR_KEMIP_INT) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmsn_f)(ket->func))(env_L->msg, &vps[0].s, vps[1].n);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmsn_f)(ket->func))(env_L->msg, &vps[0].s, vps[1].n);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else if(ket->ptypes[1]==SR_KEMIP_STR) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmss_f)(ket->func))(env_L->msg, &vps[0].s, &vps[1].s);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmss_f)(ket->func))(env_L->msg, &vps[0].s, &vps[1].s);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else {
LM_ERR("invalid parameters for: %.*s\n",
fname->len, fname->s);
return app_lua_return_false(L);
}
} else {
LM_ERR("invalid parameters for: %.*s\n",
fname->len, fname->s);
return app_lua_return_false(L);
}
break;
case 3:
if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmsss_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, &vps[2].s);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmsss_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, &vps[2].s);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmssn_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, vps[2].n);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmssn_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, vps[2].n);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmsns_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, &vps[2].s);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmsns_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, &vps[2].s);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmsnn_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, vps[2].n);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmsnn_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, vps[2].n);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmnss_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, &vps[2].s);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmnss_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, &vps[2].s);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmnsn_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, vps[2].n);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmnsn_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, vps[2].n);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmnns_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, &vps[2].s);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmnns_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, &vps[2].s);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT) {
if(ket->rtype==SR_KEMIP_XVAL) {
xret = ((sr_kemi_xfmnnn_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, vps[2].n);
return sr_kemi_lua_return_xval(L, ket, xret);
} else {
ret = ((sr_kemi_fmnnn_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, vps[2].n);
return sr_kemi_lua_return_int(L, ket, ret);
}
} else {
LM_ERR("invalid parameters for: %.*s\n", fname->len, fname->s);
return app_lua_return_false(L);
}
break;
case 4:
if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmssss_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, &vps[2].s, &vps[3].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmsssn_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, &vps[2].s, vps[3].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmssns_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, vps[2].n, &vps[3].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmssnn_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, vps[2].n, vps[3].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmsnss_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, &vps[2].s, &vps[3].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmsnsn_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, &vps[2].s, vps[3].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmsnns_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, vps[2].n, &vps[3].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmsnnn_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, vps[2].n, vps[3].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnsss_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, &vps[2].s, &vps[3].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnssn_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, &vps[2].s, vps[3].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnsns_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, vps[2].n, &vps[3].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnsnn_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, vps[2].n, vps[3].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnnss_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, &vps[2].s, &vps[3].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnnsn_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, &vps[2].s, vps[3].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnnns_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, vps[2].n, &vps[3].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnnnn_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, vps[2].n, vps[3].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else {
LM_ERR("invalid parameters for: %.*s\n", fname->len, fname->s);
return app_lua_return_false(L);
}
break;
case 5:
if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmsssss_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, &vps[2].s, &vps[3].s, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmssssn_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, &vps[2].s, &vps[3].s, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmsssns_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, &vps[2].s, vps[3].n, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmsssnn_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, &vps[2].s, vps[3].n, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmssnss_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, vps[2].n, &vps[3].s, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmssnsn_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, vps[2].n, &vps[3].s, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmssnns_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, vps[2].n, vps[3].n, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmssnnn_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, vps[2].n, vps[3].n, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmsnsss_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, &vps[2].s, &vps[3].s, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmsnssn_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, &vps[2].s, &vps[3].s, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmsnsns_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, &vps[2].s, vps[3].n, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmsnsnn_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, &vps[2].s, vps[3].n, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmsnnss_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, vps[2].n, &vps[3].s, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmsnnsn_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, vps[2].n, &vps[3].s, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmsnnns_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, vps[2].n, vps[3].n, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmsnnnn_f)(ket->func))(env_L->msg,
&vps[0].s, vps[1].n, vps[2].n, vps[3].n, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnssss_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, &vps[2].s, &vps[3].s, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnsssn_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, &vps[2].s, &vps[3].s, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnssns_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, &vps[2].s, vps[3].n, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnssnn_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, &vps[2].s, vps[3].n, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnsnss_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, vps[2].n, &vps[3].s, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnsnsn_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, vps[2].n, &vps[3].s, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnsnns_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, vps[2].n, vps[3].n, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnsnnn_f)(ket->func))(env_L->msg,
vps[0].n, &vps[1].s, vps[2].n, vps[3].n, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnnsss_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, &vps[2].s, &vps[3].s, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnnssn_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, &vps[2].s, &vps[3].s, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnnsns_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, &vps[2].s, vps[3].n, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnnsnn_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, &vps[2].s, vps[3].n, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnnnss_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, vps[2].n, &vps[3].s, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnnnsn_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, vps[2].n, &vps[3].s, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmnnnns_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, vps[2].n, vps[3].n, &vps[4].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else if(ket->ptypes[0]==SR_KEMIP_INT
&& ket->ptypes[1]==SR_KEMIP_INT
&& ket->ptypes[2]==SR_KEMIP_INT
&& ket->ptypes[3]==SR_KEMIP_INT
&& ket->ptypes[4]==SR_KEMIP_INT) {
ret = ((sr_kemi_fmnnnnn_f)(ket->func))(env_L->msg,
vps[0].n, vps[1].n, vps[2].n, vps[3].n, vps[4].n);
return sr_kemi_lua_return_int(L, ket, ret);
} else {
LM_ERR("invalid parameters for: %.*s\n", fname->len, fname->s);
return app_lua_return_false(L);
}
break;
case 6:
if(ket->ptypes[0]==SR_KEMIP_STR
&& ket->ptypes[1]==SR_KEMIP_STR
&& ket->ptypes[2]==SR_KEMIP_STR
&& ket->ptypes[3]==SR_KEMIP_STR
&& ket->ptypes[4]==SR_KEMIP_STR
&& ket->ptypes[5]==SR_KEMIP_STR) {
ret = ((sr_kemi_fmssssss_f)(ket->func))(env_L->msg,
&vps[0].s, &vps[1].s, &vps[2].s, &vps[3].s,
&vps[4].s, &vps[5].s);
return sr_kemi_lua_return_int(L, ket, ret);
} else {
LM_ERR("invalid parameters for: %.*s\n",
fname->len, fname->s);
return app_lua_return_false(L);
}
break;
default:
LM_ERR("invalid parameters for: %.*s\n",
fname->len, fname->s);
return app_lua_return_false(L);
}
}
/**
*
*/
int sr_kemi_exec_func(lua_State* L, str *mname, int midx, str *fname)
{
int pdelta;
sr_kemi_t *ket = NULL;
sr_lua_env_t *env_L;
env_L = sr_lua_env_get();
if(env_L==NULL || env_L->msg==NULL) {
LM_ERR("invalid Lua environment attributes\n");
return app_lua_return_false(L);
}
ket = sr_kemi_lookup(mname, midx, fname);
if(ket==NULL) {
LM_ERR("cannot find function (%d): %.*s.%.*s\n", midx,
(mname && mname->len>0)?mname->len:0,
(mname && mname->len>0)?mname->s:"",
fname->len, fname->s);
return app_lua_return_false(L);
}
if(mname->len<=0) {
pdelta = 1;
} else {
pdelta = 3;
}
return sr_kemi_lua_exec_func_ex(L, ket, pdelta);
}
/**
*
*/
int sr_kemi_lua_exec_func(lua_State* L, int eidx)
{
sr_kemi_t *ket;
int ret;
struct timeval tvb = {0}, tve = {0};
struct timezone tz;
unsigned int tdiff;
lua_Debug dinfo;
ket = sr_kemi_lua_export_get(eidx);
if(unlikely(cfg_get(core, core_cfg, latency_limit_action)>0)
&& is_printable(cfg_get(core, core_cfg, latency_log))) {
gettimeofday(&tvb, &tz);
}
ret = sr_kemi_lua_exec_func_ex(L, ket, 0);
if(unlikely(cfg_get(core, core_cfg, latency_limit_action)>0)
&& is_printable(cfg_get(core, core_cfg, latency_log))) {
gettimeofday(&tve, &tz);
tdiff = (tve.tv_sec - tvb.tv_sec) * 1000000
+ (tve.tv_usec - tvb.tv_usec);
if(tdiff >= cfg_get(core, core_cfg, latency_limit_action)) {
memset(&dinfo, 0, sizeof(lua_Debug));
if(lua_getstack(L, 1, &dinfo)>0
&& lua_getinfo(L, "nSl", &dinfo)>0) {
LOG(cfg_get(core, core_cfg, latency_log),
"alert - action KSR.%s%s%s(...)"
" took too long [%u us] (%s:%d - %s [%s])\n",
(ket->mname.len>0)?ket->mname.s:"",
(ket->mname.len>0)?".":"", ket->fname.s,
tdiff,
(dinfo.short_src[0])?dinfo.short_src:"<unknown>",
dinfo.currentline,
(dinfo.name)?dinfo.name:"<unknown>",
(dinfo.what)?dinfo.what:"<unknown>");
} else {
LOG(cfg_get(core, core_cfg, latency_log),
"alert - action KSR.%s%s%s(...)"
" took too long [%u us]\n",
(ket->mname.len>0)?ket->mname.s:"",
(ket->mname.len>0)?".":"", ket->fname.s,
tdiff);
}
}
}
return ret;
}
/**
*
*/
static int sr_kemi_lua_modf (lua_State *L)
{
int ret;
char *luav[MAX_ACTIONS];
char *argv[MAX_ACTIONS];
int argc;
int i;
int mod_type;
struct run_act_ctx ra_ctx;
struct action *act;
ksr_cmd_export_t* expf;
sr_lua_env_t *env_L;
ret = 1;
act = NULL;
argc = 0;
memset(luav, 0, MAX_ACTIONS*sizeof(char*));
memset(argv, 0, MAX_ACTIONS*sizeof(char*));
env_L = sr_lua_env_get();
if(env_L->msg==NULL)
goto error;
#if 0
app_lua_dump_stack(L);
#endif
argc = lua_gettop(L);
if(argc==0)
{
LM_ERR("name of module function not provided\n");
goto error;
}
if(argc>=MAX_ACTIONS)
{
LM_ERR("too many parameters\n");
goto error;
}
/* first is function name, then parameters */
for(i=1; i<=argc; i++)
{
if (!lua_isstring(L, i))
{
LM_ERR("invalid parameter type (%d)\n", i);
goto error;
}
luav[i-1] = (char*)lua_tostring(L, i);
}
/* pkg copy only parameters */
for(i=1; i<MAX_ACTIONS; i++)
{
if(luav[i]!=NULL)
{
argv[i] = (char*)pkg_malloc(strlen(luav[i])+1);
if(argv[i]==NULL)
{
PKG_MEM_ERROR;
goto error;
}
strcpy(argv[i], luav[i]);
}
}
expf = find_export_record(luav[0], argc-1, 0);
if (expf==NULL) {
LM_ERR("function '%s' is not available\n", luav[0]);
goto error;
}
/* check fixups */
if (expf->fixup!=NULL && expf->free_fixup==NULL) {
LM_ERR("function '%s' has fixup - cannot be used\n", luav[0]);
goto error;
}
switch(expf->param_no) {
case 0:
mod_type = MODULE0_T;
break;
case 1:
mod_type = MODULE1_T;
break;
case 2:
mod_type = MODULE2_T;
break;
case 3:
mod_type = MODULE3_T;
break;
case 4:
mod_type = MODULE4_T;
break;
case 5:
mod_type = MODULE5_T;
break;
case 6:
mod_type = MODULE6_T;
break;
case VAR_PARAM_NO:
mod_type = MODULEX_T;
break;
default:
LM_ERR("unknown/bad definition for function '%s' (%d params)\n",
luav[0], expf->param_no);
goto error;
}
act = mk_action(mod_type, argc+1 /* number of (type, value) pairs */,
MODEXP_ST, expf, /* function */
NUMBER_ST, argc-1, /* parameter number */
STRING_ST, argv[1], /* param. 1 */
STRING_ST, argv[2], /* param. 2 */
STRING_ST, argv[3], /* param. 3 */
STRING_ST, argv[4], /* param. 4 */
STRING_ST, argv[5], /* param. 5 */
STRING_ST, argv[6] /* param. 6 */
);
if (act==NULL) {
LM_ERR("action structure could not be created for '%s'\n", luav[0]);
goto error;
}
/* handle fixups */
if (expf->fixup) {
if(argc==1)
{ /* no parameters */
if(expf->fixup(0, 0)<0)
{
LM_ERR("Error in fixup (0) for '%s'\n", luav[0]);
goto error;
}
} else {
for(i=1; i<argc; i++)
{
if(expf->fixup(&(act->val[i+1].u.data), i)<0)
{
LM_ERR("Error in fixup (%d) for '%s'\n", i, luav[0]);
goto error;
}
act->val[i+1].type = MODFIXUP_ST;
}
}
}
init_run_actions_ctx(&ra_ctx);
ret = do_action(&ra_ctx, act, env_L->msg);
/* free fixups */
if (expf->fixup) {
for(i=1; i<argc; i++)
{
if ((act->val[i+1].type == MODFIXUP_ST) && (act->val[i+1].u.data))
{
expf->free_fixup(&(act->val[i+1].u.data), i);
}
}
}
pkg_free(act);
for(i=0; i<MAX_ACTIONS; i++)
{
if(argv[i]!=NULL) pkg_free(argv[i]);
argv[i] = 0;
}
lua_pushinteger(L, ret);
return 1;
error:
if(act!=NULL)
pkg_free(act);
for(i=0; i<MAX_ACTIONS; i++)
{
if(argv[i]!=NULL) pkg_free(argv[i]);
argv[i] = 0;
}
lua_pushinteger(L, -1);
return 1;
}
/**
*
*/
static int sr_kemi_lua_exit (lua_State *L)
{
str *s;
LM_DBG("script exit call\n");
s = sr_kemi_lua_exit_string_get();
lua_getglobal(L, "error");
lua_pushstring(L, s->s);
lua_call(L, 1, 0);
return 0;
}
/**
*
*/
static int sr_kemi_lua_drop (lua_State *L)
{
str *s;
LM_DBG("script drop call\n");
sr_kemi_core_set_drop(NULL);
s = sr_kemi_lua_exit_string_get();
lua_getglobal(L, "error");
lua_pushstring(L, s->s);
lua_call(L, 1, 0);
return 0;
}
/**
*
*/
static int sr_kemi_lua_probe (lua_State *L)
{
LM_DBG("someone probing from lua\n");
return 0;
}
/**
*
*/
static const luaL_Reg _sr_kemi_x_Map [] = {
{"modf", sr_kemi_lua_modf},
{"exit", sr_kemi_lua_exit},
{"drop", sr_kemi_lua_drop},
{"probe", sr_kemi_lua_probe},
{NULL, NULL}
};
/**
*
*/
luaL_Reg *_sr_KSRMethods = NULL;
#define SR_LUA_KSR_MODULES_SIZE 256
#define SR_LUA_KSR_METHODS_SIZE (SR_KEMI_LUA_EXPORT_SIZE + SR_LUA_KSR_MODULES_SIZE)
/**
*
*/
void lua_sr_kemi_register_libs(lua_State *L)
{
luaL_Reg *_sr_crt_KSRMethods = NULL;
sr_kemi_module_t *emods = NULL;
int emods_size = 0;
int i;
int k;
int n;
char mname[128];
#if 0
/* dynamic lookup on function name */
lua_sr_kemi_register_core(L);
lua_sr_kemi_register_modules(L);
#endif
_sr_KSRMethods = malloc(SR_LUA_KSR_METHODS_SIZE * sizeof(luaL_Reg));
if(_sr_KSRMethods==NULL) {
LM_ERR("no more pkg memory\n");
return;
}
memset(_sr_KSRMethods, 0, SR_LUA_KSR_METHODS_SIZE * sizeof(luaL_Reg));
emods_size = sr_kemi_modules_size_get();
emods = sr_kemi_modules_get();
n = 0;
_sr_crt_KSRMethods = _sr_KSRMethods;
if(emods_size==0 || emods[0].kexp==NULL) {
LM_ERR("no kemi exports registered\n");
return;
}
for(i=0; emods[0].kexp[i].func!=NULL; i++) {
if(_ksr_app_lua_log_mode & KSR_APP_LUA_LOG_EXPORTS) {
LM_DBG("exporting KSR.%s(...)\n", emods[0].kexp[i].fname.s);
}
_sr_crt_KSRMethods[i].name = emods[0].kexp[i].fname.s;
_sr_crt_KSRMethods[i].func =
sr_kemi_lua_export_associate(&emods[0].kexp[i]);
if(_sr_crt_KSRMethods[i].func == NULL) {
LM_ERR("failed to associate kemi function with lua export\n");
free(_sr_KSRMethods);
_sr_KSRMethods = NULL;
return;
}
n++;
}
luaL_openlib(L, "KSR", _sr_crt_KSRMethods, 0);
luaL_openlib(L, "KSR.x", _sr_kemi_x_Map, 0);
/* registered kemi modules */
if(emods_size>1) {
for(k=1; k<emods_size; k++) {
n++;
_sr_crt_KSRMethods = _sr_KSRMethods + n;
snprintf(mname, 128, "KSR.%s", emods[k].kexp[0].mname.s);
for(i=0; emods[k].kexp[i].func!=NULL; i++) {
if(_ksr_app_lua_log_mode & KSR_APP_LUA_LOG_EXPORTS) {
LM_DBG("exporting %s.%s(...)\n", mname,
emods[k].kexp[i].fname.s);
}
_sr_crt_KSRMethods[i].name = emods[k].kexp[i].fname.s;
_sr_crt_KSRMethods[i].func =
sr_kemi_lua_export_associate(&emods[k].kexp[i]);
if(_sr_crt_KSRMethods[i].func == NULL) {
LM_ERR("failed to associate kemi function with func export\n");
free(_sr_KSRMethods);
_sr_KSRMethods = NULL;
return;
}
n++;
}
if(!lua_checkstack(L, i+8)) {
LM_ERR("not enough Lua stack capacity\n");
exit(-1);
}
luaL_openlib(L, mname, _sr_crt_KSRMethods, 0);
if(_ksr_app_lua_log_mode & KSR_APP_LUA_LOG_EXPORTS) {
LM_DBG("initializing kemi sub-module: %s (%s) (%d/%d/%d)\n",
mname, emods[k].kexp[0].mname.s, i, k, n);
}
}
}
LM_DBG("module 'KSR' has been initialized (%d/%d)\n", emods_size, n);
}
static const char* app_lua_rpc_api_list_doc[2] = {
"list kemi exports to lua",
0
};
static void app_lua_rpc_api_list(rpc_t* rpc, void* ctx)
{
int i;
int n;
sr_kemi_t *ket;
void* th;
void* sh;
void* ih;
if (rpc->add(ctx, "{", &th) < 0) {
rpc->fault(ctx, 500, "Internal error root reply");
return;
}
/* count the number of exported functions */
n = 0;
for(i=0; i<SR_KEMI_LUA_EXPORT_SIZE; i++) {
ket = sr_kemi_lua_export_get(i);
if(ket==NULL) continue;
n++;
}
if(rpc->struct_add(th, "d[",
"msize", n,
"methods", &ih)<0)
{
rpc->fault(ctx, 500, "Internal error array structure");
return;
}
for(i=0; i<SR_KEMI_LUA_EXPORT_SIZE; i++) {
ket = sr_kemi_lua_export_get(i);
if(ket==NULL) continue;
if(rpc->struct_add(ih, "{", "func", &sh)<0) {
rpc->fault(ctx, 500, "Internal error internal structure");
return;
}
if(rpc->struct_add(sh, "SSSS",
"ret", sr_kemi_param_map_get_name(ket->rtype),
"module", &ket->mname,
"name", &ket->fname,
"params", sr_kemi_param_map_get_params(ket->ptypes))<0) {
LM_ERR("failed to add the structure with attributes (%d)\n", i);
rpc->fault(ctx, 500, "Internal error creating dest struct");
return;
}
}
}
/*** RPC implementation ***/
static const char* app_lua_rpc_reload_doc[2] = {
"Reload lua script",
0
};
static const char* app_lua_rpc_list_doc[2] = {
"list lua scripts",
0
};
static void app_lua_rpc_reload(rpc_t* rpc, void* ctx)
{
int pos = -1;
rpc->scan(ctx, "*d", &pos);
LM_DBG("selected index: %d\n", pos);
if(lua_sr_reload_script(pos)<0)
rpc->fault(ctx, 500, "Reload Failed");
return;
}
static void app_lua_rpc_list(rpc_t* rpc, void* ctx)
{
int i;
sr_lua_load_t *list = NULL, *li;
if(lua_sr_list_script(&list)<0)
{
LM_ERR("Can't get loaded scripts\n");
return;
}
if(list)
{
li = list;
i = 0;
while(li)
{
rpc->rpl_printf(ctx, "%d: [%s]", i, li->script);
li = li->next;
i += 1;
}
}
else {
rpc->rpl_printf(ctx,"No scripts loaded");
}
return;
}
rpc_export_t app_lua_rpc_cmds[] = {
{"app_lua.reload", app_lua_rpc_reload,
app_lua_rpc_reload_doc, 0},
{"app_lua.list", app_lua_rpc_list,
app_lua_rpc_list_doc, 0},
{"app_lua.api_list", app_lua_rpc_api_list,
app_lua_rpc_api_list_doc, 0},
{0, 0, 0, 0}
};
/**
* register RPC commands
*/
int app_lua_init_rpc(void)
{
if (rpc_register_array(app_lua_rpc_cmds)!=0)
{
LM_ERR("failed to register RPC commands\n");
return -1;
}
return 0;
}
/**
*
*/
int bind_app_lua(app_lua_api_t* api)
{
if (!api) {
ERR("Invalid parameter value\n");
return -1;
}
api->env_get_f = sr_lua_env_get;
api->openlibs_register_f = app_lua_openlibs_register;
return 0;
}