✨ feat(TSG-11870): 重构lua代码

1 files changed, 1572 insertions, 0 deletions

diff --git a/src/elua_func.cpp b/src/elua_func.cpp
new file mode 100644
index 0000000..f550e47
--- /dev/null
+++ b/src/elua_func.cpp
@@ -0,0 +1,1572 @@
+/*************************************************************************
+    > File Name: elua_func.c
+    > Author: pxz
+    > Created Time: Wed 08 Jul 2020 03:45:55 PM CST
+ ************************************************************************/
+extern "C"
+{
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<setjmp.h>
+#include<time.h>
+#include "lualib.h"
+#include "luajit.h"
+#include "lauxlib.h"
+}
+#include"elua.h"
+
+#ifndef MIN
+#define MIN(a,b) (((a) < (b))?(a):(b))
+#endif
+
+
+#define MAX_BEGIN_CODE_SIZE 23
+#define MAX_END_CODE_SIZE 22
+
+#define TEXT_BEGIN_CODE    "return function()"
+#define TEXT_BEGIN_SIZE    (sizeof(TEXT_BEGIN_CODE) - 1)
+#define TEXT_INIT_CODE     "\nlocal newglobaltable = {}\nsetmetatable(newglobaltable, {__index = _G})\nsetfenv(1, newglobaltable)"
+#define TEXT_INIT_SIZE     (sizeof(TEXT_INIT_CODE) - 1)
+#define TEXT_END_CODE      "\nend"
+#define TEXT_END_SIZE      (sizeof(TEXT_END_CODE) - 1)
+
+/* bytecode for luajit 2.0 */
+#define    LJ20_BYTECODE_END_STRIPPED                                  \
+    "\x14\x03\x00\x01\x00\x01\x00\x03"                                       \
+    "\x31\x00\x00\x00\x30\x00\x00\x80\x48\x00\x02\x00"                       \
+    "\x00\x00"
+#define LJ20_BYTECODE_END_SIZE  (sizeof(LJ20_BYTECODE_END_STRIPPED) - 1)
+
+/* bytecode for luajit 2.1 */
+#define    LJ21_BYTECODE_END_STRIPPED                                  \
+    "\x14\x03\x00\x01\x00\x01\x00\x03"                                       \
+    "\x33\x00\x00\x00\x32\x00\x00\x80\x4c\x00\x02\x00"                       \
+    "\x00\x00"
+
+#define LJ21_BYTECODE_END_SIZE  (sizeof(LJ21_BYTECODE_END_STRIPPED) - 1)
+
+/* bytecode for both */
+#define    LJ_BYTECODE_LEN_STRIPPED     22
+#define    LJ_HEADERSIZE            5
+#define    LJ_BCDUMP_F_BE           0x01
+#define    LJ_BCDUMP_F_STRIP        0x02
+#define    LJ21_BCDUMP_VERSION        2
+#define    LJ20_BCDUMP_VERSION        1
+#define    LJ_SIGNATURE             "\x1b\x4c\x4a"
+
+// #define EXEC_ERROR_INFO_NUM ((int)(sizeof(exec_error) / sizeof(exec_error_massage_t)))
+// #define SYNTAX_ERROR_INFO_NUM ((int)(sizeof(syntax_error) / sizeof(char *)))
+
+
+// typedef struct{
+//     const char *err_info1;
+//     const char *err_info2;
+// }exec_error_massage_t;
+
+enum{
+    elua_READER_BUFFSIZE = 4096
+};
+
+typedef enum{
+    elua_TEXT_FILE,
+    elua_BC_LUA,
+    elua_BC_LJ
+}elua_clfactory_file_type_t;
+
+typedef struct{
+    const char *s;
+    elua_clfactory_file_type_t file_type;
+    int sent_begin;
+    int sent_end;
+    int size;
+
+    size_t begin_code_len;
+    size_t end_code_len;
+    size_t rest_len;
+    const char *begin_code_ptr;
+    const char *end_code_ptr;
+}elua_clfactory_buffer_t;
+
+typedef struct{
+    FILE *f;
+    elua_clfactory_file_type_t file_type;
+    int extraline;
+    int sent_begin;
+    int sent_end;
+
+    size_t begin_code_len;
+    size_t end_code_len;
+    size_t rest_len;
+    union{
+        const char *ptr;
+        char str[MAX_BEGIN_CODE_SIZE];
+    }begin_code;
+    const char *end_code_ptr;
+
+    char buff[elua_READER_BUFFSIZE];
+}elua_clfactory_file_t;
+
+typedef struct elua_private_info
+{
+    jmp_buf *elua_exception;
+    char elua_name[1024];
+    void *userdata;
+    int errcode;
+    char errmsg[1024];
+    int elua_mode;
+#define elua_JIT_ON 0
+#define elua_JIT_OFF 1
+    long time_now;
+    long time_limit;
+    bool is_expired;    //not return error from C, when the script was ran in C and time out, 
+                        // keep this status and not return error until the script run in LUA
+    int lua_stack_top;
+}elua_private_info_t;
+
+typedef struct elua_context
+{
+    int context_id;
+    char *context_name;
+    lua_State *el;
+}elua_context_t;
+
+// static const char *syntax_error[] =
+// {
+//     "'end' expected",       /* ERR_SCRIPT_END_EXPECTED */
+//     "'then' expected",      /* ERR_SCRIPT_THEN_EXPECTED */
+//     "'do' expected",        /* ERR_SCRIPT_DO_EXPECTED */
+//     "'<eof>' expected",     /* ERR_SCRIPT_EOF_EXPECTED */
+//     "'=' or 'in' expected", /* ERR_SCRIPT_EQUAL_IN_EXPECTED */
+//     "unexpected symbol",    /* ERR_SCRIPT_UNEXPECTED_SYMBOL */
+//     "'<name>' expected",    /* ERR_SCRIPT_NAME_EXPECT */
+//     "')' expected",         /* ERR_SCRIPT_RIGHT_CURVES_BRACKET */
+//     "'}' expected",         /* ERR_SCRIPT_RIGHT_CURLY_BRACKET */
+// };
+
+// static exec_error_massage_t exec_error[] =
+// {
+//     {"bad argument", "(string expected, got nil)"},     /* ERR_SCRIPT_STRING_EXPECTED_BUT_NIL */
+//     {"bad argument", "(string expected, got boolean)"}, /* ERR_SCRIPT_STRING_EXPECTED_BUT_BOOL */
+//     {"bad argument", "(string expected, got table)"},   /* ERR_SCRIPT_STRING_EXPECTED_BUT_TABLE */
+//     {"attempt to call global", "(a nil value)"},        /* ERR_SCRIPT_CALL_GLOBAL_BUT_NIL */
+// };
+
+static long mstime()
+{
+    struct timespec now;
+    clock_gettime(CLOCK_MONOTONIC, &now);
+    return now.tv_sec * 1000 + now.tv_nsec/1000000;
+}
+
+static long elua_clfactory_file_size(FILE *f)
+{
+    long cur_pos, len;
+    cur_pos = ftell(f);
+    if (cur_pos == -1)
+    {
+        return -1;
+    }
+
+    if (fseek(f, 0, SEEK_END) != 0)
+    {
+        return -1;
+    }
+
+    len = ftell(f);
+    if (len == -1)
+    {
+        return -1;
+    }
+
+    if (fseek(f, cur_pos, SEEK_SET) != 0)
+    {
+        return -1;
+    }
+
+    return len;
+}
+
+static void elua_clfactory_file_text_prepare(elua_clfactory_file_t *lf)
+{
+    lf->begin_code.ptr = TEXT_BEGIN_CODE;
+    lf->begin_code_len = TEXT_BEGIN_SIZE;
+    lf->end_code_ptr = TEXT_END_CODE;
+    lf->end_code_len = TEXT_END_SIZE;
+}
+
+static int elua_clfactory_bytecode_buffer_prepare(elua_clfactory_buffer_t *ls, char *errmsg)
+{
+    int little_endian, version, stripped;
+
+    if (ls == NULL)
+        return -1;
+
+    if (ls->file_type == elua_BC_LJ)
+    {
+        /* get bytecode header */
+        if (ls->size <= LJ_HEADERSIZE)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] script is bad.", __FUNCTION__, __LINE__);            
+            return -1;
+        }
+        
+        ls->size--;
+        /* get bytecode  version */
+        version = (int)(ls->s[3]);
+
+        /* compare bytecode header */
+        if (strncmp(ls->s, LJ_SIGNATURE, sizeof(LJ_SIGNATURE) - 1))
+        {
+            snprintf(errmsg, 1023, "[%s:%d] bad byte-code header.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+
+        /* little endian or big little endian */
+        little_endian = !((ls->s[4]) & LJ_BCDUMP_F_BE);
+        if (little_endian == 0)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] not support byte-code coding by big-endian.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+
+        /* stripped or debug */
+        stripped = (ls->s[4]) & LJ_BCDUMP_F_STRIP;
+        if (!stripped)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] not support byte-code include debug-info.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+
+        ls->end_code_len = LJ_BYTECODE_LEN_STRIPPED;
+        if (version == LJ21_BCDUMP_VERSION)
+        {
+            ls->end_code_ptr = LJ21_BYTECODE_END_STRIPPED;
+        }
+#if 0
+        else if (version == LJ20_BCDUMP_VERSION)
+        {
+            ls->end_code_ptr = LJ20_BYTECODE_END_STRIPPED;
+        }
+#endif
+        else
+        {
+            snprintf(errmsg, 1023, "[%s:%d] bytecode format version unsupported.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+    }
+    return 0;
+}
+
+static int elua_clfactory_bytecode_file_prepare(elua_clfactory_file_t *lf, char *errmsg)
+{
+    *lf->begin_code.str = LUA_SIGNATURE[0];
+    if (lf->file_type == elua_BC_LJ)
+    {
+        /* get bytecode header */
+        size_t size = fread(lf->begin_code.str + 1, 1, LJ_HEADERSIZE - 1, lf->f);
+        if (size != LJ_HEADERSIZE - 1)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] can not read header.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+        
+        /* get bytecode  version */
+        int version = *(lf->begin_code.str + 3);
+
+        /* compare bytecode header */
+        if (strncmp(lf->begin_code.str, LJ_SIGNATURE, sizeof(LJ_SIGNATURE) - 1))
+        {
+            snprintf(errmsg, 1023, "[%s:%d] bad byte-code header.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+
+        lf->begin_code_len =  LJ_HEADERSIZE;
+
+        /* little endian or big little endian */
+        int little_endian = !((*(lf->begin_code.str + 4)) & LJ_BCDUMP_F_BE);
+        if (little_endian == 0)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] not support byte-code coding by big-endian.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+
+        /* stripped or debug */
+        int stripped = (*(lf->begin_code.str + 4)) & LJ_BCDUMP_F_STRIP;
+        if (!stripped)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] not support byte-code include debug-info.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+
+        if (version == LJ21_BCDUMP_VERSION)
+        {
+            lf->end_code_ptr = LJ21_BYTECODE_END_STRIPPED;
+            lf->end_code_len = LJ_BYTECODE_LEN_STRIPPED;
+        }else if (version == LJ20_BCDUMP_VERSION)
+        {
+            lf->end_code_ptr = LJ20_BYTECODE_END_STRIPPED;
+            lf->end_code_len = LJ_BYTECODE_LEN_STRIPPED;
+        }else
+        {
+            snprintf(errmsg, 1023, "[%s:%d] bytecode format version unsupported.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+        long fsize = elua_clfactory_file_size(lf->f);
+        if (fsize < 0)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] script is bad.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+        lf->rest_len = fsize - LJ_HEADERSIZE;
+    }
+    return 0;
+}
+
+static const char * elua_gets(lua_State *L, void *ud, size_t *size)
+{
+    (void)L;
+    elua_clfactory_buffer_t *ls = (elua_clfactory_buffer_t *)ud;
+    if (ls->file_type == elua_TEXT_FILE)
+    {
+        if (ls->sent_begin == 0)
+        {
+            ls->sent_begin = 1;
+            *size = ls->begin_code_len;
+            return ls->begin_code_ptr;
+        }
+    }
+    if (ls->size == 0)
+    {
+        if (ls->sent_end == 0)
+        {
+            ls->sent_end = 1;
+            *size = ls->end_code_len;
+            return ls->end_code_ptr;
+        }
+        return NULL;
+    }
+
+    if (ls->file_type == elua_BC_LJ)
+    {
+#if 0
+        lf->rest_len -= ls->size;
+        if (lf->rest_len == 0)
+        {
+            if (--ls->size == 0 && lf->sent_end == 0)
+            {
+                lf->sent_end = 1;
+                *size = lf->end_code_len;
+
+                return lf->end_code_ptr;
+            }
+        }
+#endif
+    }
+
+    *size = ls->size;
+    ls->size = 0;
+
+    return ls->s;
+}
+
+static const char * elua_getf(lua_State *L, void *ud, size_t *size)
+{
+    (void)L;
+    elua_clfactory_file_t *lf = (elua_clfactory_file_t *)ud;
+    if (lf->extraline == 1)
+    {
+        lf->extraline = 0;
+        *size = 1;
+        return "\n";
+    }
+
+    if (lf->sent_begin == 0)
+    {
+        lf->sent_begin = 1;
+        *size = lf->begin_code_len;
+        if (lf->file_type == elua_TEXT_FILE)
+        {
+            return lf->begin_code.ptr;
+        }else
+        {
+            return lf->begin_code.str;
+        }
+    }
+    size_t num = fread(lf->buff, 1, sizeof(lf->buff), lf->f);
+    if (num == 0)
+    {
+        if (lf->sent_end == 0)
+        {
+            lf->sent_end = 1;
+            *size = lf->end_code_len;
+            return lf->end_code_ptr;
+        }
+        return NULL;
+    }
+
+    if (lf->file_type == elua_BC_LJ)
+    {
+        lf->rest_len -= num;
+        if (lf->rest_len == 0)
+        {
+            if (--num == 0 && lf->sent_end == 0)
+            {
+                lf->sent_end = 1;
+                *size = lf->end_code_len;
+
+                return lf->end_code_ptr;
+            }
+        }
+    }
+    *size = num;
+    return lf->buff;
+}
+
+static int c_lua_atpanic(lua_State *L)
+{
+    char        *s = NULL;
+    size_t      len = 0;
+    jmp_buf     *elua_exception;
+    elua_private_info_t *elua_info = NULL;
+
+    elua_info = (elua_private_info_t *)lua_getexdata(L);
+    elua_exception = elua_info->elua_exception;
+    if (lua_type(L, -1) == LUA_TSTRING)
+    {
+        s = (char *)lua_tolstring(L, -1, &len);
+    }
+
+    if (s == NULL)
+    {
+        s = (char *)"unknow reason";
+        len = strlen(s);
+    }
+    snprintf(elua_info->errmsg, 1023, "[%s:%d] lua atpanic:lua VM creashed, reson:%*s.", __FUNCTION__, __LINE__, (int)len, s);
+    longjmp(*elua_exception, 1);
+}
+
+int elua_memmem(lua_State *L)
+{
+    const char *src;
+    const char *dest;
+    size_t src_len, dest_len;
+    const char *ret;
+    int start, end;
+    int parameter_num = lua_gettop(L);
+    if (parameter_num != 4)
+    {
+        return 0;
+    }
+
+    src = lua_tostring(L, -4);
+    src_len = lua_tointeger(L, -3);
+    dest = lua_tostring(L, -2);
+    dest_len = lua_tointeger(L, -1);
+
+    if (!src || !dest || !src_len || !dest_len)
+    {
+        return 0;
+    }
+
+    ret = (const char *)memmem(src, src_len, dest, dest_len);
+    if (ret == NULL)
+    {
+        return 0;
+    }
+    start = ret - src;
+    end = start + dest_len;
+    lua_pushinteger(L, start);
+    lua_pushinteger(L, end);
+
+    return 2;
+}
+
+struct elua_vm
+{
+    lua_State *L;
+};
+
+static void luaMaskCountHook(struct elua_vm *vm, lua_Debug *ar)
+{
+    lua_State *L = (lua_State *)vm;
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(L);
+
+    if (elua_info->is_expired == true)
+    {
+        if (ar->what && memcmp(ar->what, "C", 1) == 0)
+        {
+            return;
+        }
+        else
+        {
+            lua_pushstring(L, "Lua script killed by time out.");
+            lua_error(L);
+            return;
+        }
+    }
+
+    long elapsed = mstime() - elua_info->time_now;
+    if ( elua_info->time_limit > 0 && elapsed > elua_info->time_limit)
+    {
+        //printf("elasped:%ld\n", elapsed);
+        if (ar->what && memcmp(ar->what, "C", 1) == 0)
+        {
+            elua_info->is_expired = true;
+            // reset the interval to a shorter time
+            int hook_granularity = elua_info->time_limit * 1000000 / 1000; //about time_limt / 1000
+            lua_sethook(L, (lua_Hook)luaMaskCountHook, LUA_MASKCOUNT, hook_granularity);
+        }
+        else
+        {
+            lua_pushstring(L, "Lua script killed by time out.");
+            lua_error(L);
+        }
+    }
+}
+
+static int elua_set_script_timeout(struct lua_State *L, int ms)
+{
+    if (L == NULL)
+    {
+        return -1;
+    }
+
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(L);
+    if (ms < 0)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] Parameter error.", __FUNCTION__, __LINE__);
+        return -1;
+    }
+
+    elua_info->time_limit = ms;
+    if (ms == 0)
+    {
+        elua_info->elua_mode = elua_JIT_ON;
+        luaJIT_setmode(L, 1, LUAJIT_MODE_FUNC | LUAJIT_MODE_ON);
+    }
+    else
+    {
+        elua_info->elua_mode = elua_JIT_OFF;
+        luaJIT_setmode(L, 1, LUAJIT_MODE_FUNC | LUAJIT_MODE_OFF);
+        int hook_granularity = ms * 1000000 / 20; // about ms / 20
+        lua_sethook(L, (lua_Hook)luaMaskCountHook, LUA_MASKCOUNT, hook_granularity);
+    }
+
+    return 0;
+}
+
+struct elua_vm *elua_create_vm(const char *name)
+{
+    if (name == NULL)
+    {
+        name = "TSG";
+    }
+    lua_State *L;
+    jmp_buf *elua_exception = (jmp_buf *)malloc(sizeof(jmp_buf));
+    if (elua_exception == NULL)
+    {
+        return NULL;
+    }
+    
+    elua_private_info_t *elua_info = (elua_private_info_t *)calloc(1, sizeof(elua_private_info_t));
+    if (elua_info == NULL)
+    {
+        free(elua_exception);
+        return NULL;
+    }
+
+    L = luaL_newstate();
+    if (L == NULL)
+    {
+        free(elua_exception);
+        free(elua_info);
+        return NULL;
+    }
+    elua_info->elua_exception = elua_exception;
+    int len = strlen(name);
+    memcpy(elua_info->elua_name, name, MIN(1023, len));
+    elua_info->elua_name[len] = '\0';
+    elua_info->userdata = NULL;
+    lua_setexdata(L, elua_info);
+    lua_atpanic(L, c_lua_atpanic);
+    luaL_openlibs(L);
+    lua_newtable(L);
+    lua_pushcfunction(L, elua_memmem);
+    lua_setfield(L, -2, "memmem");
+    lua_setglobal(L, name);
+
+    return (struct elua_vm *)L;
+}
+
+static int elua_script_check_and_clfactory(struct elua_vm *vm, const char *script, int script_len, elua_clfactory_buffer_t *ls, char *errmsg)
+{
+    int  i = 0;
+    int sharp = 0;
+
+    if (script[0] == '#')
+    {
+        for (i = 0; i < ls->size; i++)
+        {
+            if (script[i] == '\n')
+            {
+                /* skip extra line */
+                ls->s = &script[i];
+                ls->size = script_len - i;
+                break;
+            }
+        }
+        if (i == ls->size)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] Script syntax error.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+        sharp = 1;
+    }
+    if (script[i] == LUA_SIGNATURE[0])
+    {
+        /* use luajit virtual machine rather then la virtual machine */
+        ls->file_type = elua_BC_LJ;
+        if (sharp)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] Script is bad.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+
+        int status = elua_clfactory_bytecode_buffer_prepare(ls, errmsg);
+        if (status != 0)
+        {
+            return status;
+        }
+
+    }else
+    {
+        ls->file_type = elua_TEXT_FILE;
+        ls->begin_code_ptr = TEXT_BEGIN_CODE;
+        ls->begin_code_len = TEXT_BEGIN_SIZE;
+        ls->end_code_ptr = TEXT_END_CODE;
+        ls->end_code_len = TEXT_END_SIZE;
+    }
+
+    return 0;
+}
+
+static int elua_load_buff(lua_State *L, elua_clfactory_buffer_t *ls, char *errmsg)
+{
+    int ret = lua_load(L, elua_gets, ls, "string");
+    if (ret != 0)
+    {
+        if (ret == LUA_ERRMEM)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] Lua memory is not enough.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+        else if (lua_isstring(L, -1))
+        {
+            const char *err = lua_tostring(L, -1);
+            snprintf(errmsg, 1023, "[%s:%d] %s.", __FUNCTION__, __LINE__, err);
+            return -1;
+        }
+        else 
+        {
+            snprintf(errmsg, 1023, "[%s:%d] Lua load failed.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+    }
+
+    return 0;
+}
+
+struct elua_script
+{
+    size_t script_id;
+    size_t timeout_ms;
+    elua_vm *vm;
+};
+
+struct elua_script *elua_cache_script(struct elua_vm *vm, const char *script, size_t script_len, size_t timeout_ms)
+{
+    size_t script_id = 0;
+    const char *err = NULL;
+    int ret = 0;
+    elua_clfactory_buffer_t ls;
+    lua_State *L = (lua_State *)vm;
+
+    if (L == NULL)
+    {
+        return NULL;
+    }
+
+    elua_private_info_t * elua_info = (elua_private_info_t *)lua_getexdata(L);
+    if (script == NULL || script_len == 0)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] Parameter error.", __FUNCTION__, __LINE__);
+        return NULL;
+    }
+
+    memset(&ls, 0, sizeof(elua_clfactory_buffer_t));
+    ls.s =  script;
+    ls.size = script_len;
+    ls.sent_begin = 0;
+    ls.sent_end = 0;
+
+    lua_settop(L, 0);
+    ret = elua_script_check_and_clfactory(vm, script, script_len, &ls, elua_info->errmsg);
+    if (ret < 0)
+    {
+        return NULL;
+    }
+
+    ret = elua_load_buff(L, &ls, elua_info->errmsg);
+    if (ret < 0)
+    {
+        return NULL;
+    }
+
+    if (lua_pcall(L, 0, LUA_MULTRET, 0))
+    {
+        err = lua_tostring(L, -1);
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] %s.", __FUNCTION__, __LINE__, err);
+        return NULL;
+    }
+
+    script_id = luaL_ref(L, LUA_REGISTRYINDEX);
+    if ((script_id == (size_t)LUA_REFNIL) || (script_id == (size_t)LUA_NOREF))
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] Lua cache failed.", __FUNCTION__, __LINE__);
+        return NULL;
+    }
+
+    struct elua_script *escript = (struct elua_script *)malloc(sizeof(elua_script));
+    escript->script_id = script_id;
+    escript->timeout_ms = timeout_ms;
+    escript->vm = vm;
+
+    return escript;
+}
+
+struct elua_script *elua_cache_script_file(struct elua_vm *vm, const char *script, size_t timeout_ms)
+{
+    size_t script_id;
+    const char *err = NULL;
+    int ret = 0;
+    int sharp = 0;
+    elua_clfactory_file_t lf;
+    lua_State *L = (lua_State *)vm;
+
+
+    if (L == NULL)
+    {
+        return NULL;
+    }
+    elua_private_info_t * elua_info = (elua_private_info_t *)lua_getexdata(L);
+    if (script == NULL)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] Parameter error.", __FUNCTION__, __LINE__);
+        return NULL;
+    }
+    lf.extraline = 0;
+    lf.sent_begin = 0;
+    lf.sent_end = 0;
+    lf.file_type = elua_TEXT_FILE;
+    
+    lf.f = fopen(script, "r");
+    if (lf.f == NULL)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] script %s not exist.", __FUNCTION__, __LINE__, script);
+        return NULL;
+    }
+    int c = getc(lf.f);
+    if (c == '#')
+    {
+        lf.extraline = 1;
+        while ((c = getc(lf.f)) != EOF && c != '\n') 
+        {
+            /* skip first line */
+        }
+        if (c == '\n')
+        {
+            c = getc(lf.f);
+        }
+        sharp = 1;
+    }
+
+    if (c == LUA_SIGNATURE[0])
+    {
+        lf.f = freopen(script, "rb", lf.f);
+        if (lf.f == NULL)
+        {
+            snprintf(elua_info->errmsg, 1023, "[%s:%d] script %s not exist.", __FUNCTION__, __LINE__, script);
+            return NULL;
+        }
+        lf.file_type = elua_BC_LJ;
+        if (sharp)
+        {
+            /*
+             * Loading bytecode with an extra header is disabled for security
+             * reasons. This may circumvent the usual check for bytecode vs.
+             * Lua code by looking at the first char. Since this is a potential
+             * security violation no attempt is made to echo the chunkname either.
+             */
+            fclose(lf.f);
+            snprintf(elua_info->errmsg, 1023, "[%s:%d] script %s is bad.", __FUNCTION__, __LINE__, script);
+            return NULL;
+        }
+
+        while((c = getc(lf.f)) != EOF && c != LUA_SIGNATURE[0])
+        {
+            /* skip eventual "#! ..." */
+        }
+        int status = elua_clfactory_bytecode_file_prepare(&lf, elua_info->errmsg);
+        if(status != 0)
+        {
+            return NULL;
+        }
+        lf.extraline = 0;
+    }else
+    {
+        elua_clfactory_file_text_prepare(&lf);
+        ungetc(c, lf.f);
+    }
+    lua_settop(L, 0);
+    ret = lua_load(L, elua_getf, &lf, script);
+    fclose(lf.f);
+    if (ret != 0)
+    {
+        if (ret == LUA_ERRMEM)
+        {
+            snprintf(elua_info->errmsg, 1023, "[%s:%d] Lua memory is not enough.", __FUNCTION__, __LINE__);
+            return NULL;
+        }
+        else if (lua_isstring(L, -1))
+        {
+            err = lua_tostring(L, -1);
+            snprintf(elua_info->errmsg, 1023, "[%s:%d] %s.", __FUNCTION__, __LINE__, err);
+            return NULL;
+        }
+        else 
+        {
+            snprintf(elua_info->errmsg, 1023, "[%s:%d] lua load failed.", __FUNCTION__, __LINE__);
+            return NULL;
+        }
+    }
+    /* set new globaltable */
+    lua_createtable(L, 0, 1);
+    lua_pushvalue(L, -1);
+    lua_pushvalue(L, LUA_GLOBALSINDEX);
+    lua_setfield(L, -2, "__index");
+    lua_setmetatable(L, -2);
+    lua_setfenv(L, -2);
+
+    if (lua_pcall(L, 0, LUA_MULTRET, 0))
+    {
+        err = lua_tostring(L, -1);
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] %s.", __FUNCTION__, __LINE__, err);
+        return NULL;
+    }
+
+    /* cache script */
+    script_id = luaL_ref(L, LUA_REGISTRYINDEX);
+    if ((script_id == (size_t)LUA_REFNIL) || (script_id == (size_t)LUA_NOREF))
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] luaL_ref failed.", __FUNCTION__, __LINE__);
+        return NULL;
+    }
+
+    struct elua_script *escript = (struct elua_script *)malloc(sizeof(elua_script));
+    escript->script_id = script_id;
+    escript->timeout_ms = timeout_ms;
+    escript->vm = vm;
+
+    return escript;
+}
+
+int elua_cleanup_script(struct elua_script *script)
+{
+    if (script == NULL)
+    {
+        return -1;
+    }
+
+    lua_State *L = (lua_State *)script->vm;
+    if (L == NULL)
+    {
+        return -1;
+    }
+
+    luaL_unref(L, LUA_REGISTRYINDEX, script->script_id);
+
+    return 0;
+}
+
+int elua_destroy_vm(struct elua_vm *vm)
+{
+    elua_private_info_t *elua_info = NULL;
+    lua_State *L = (lua_State *)vm;
+
+    if (L == NULL)
+    {
+        return -1;
+    }
+    elua_info = (elua_private_info_t *)lua_getexdata(L);
+    if (elua_info != NULL)
+    {
+        if (elua_info->elua_exception != NULL)
+        {
+            free(elua_info->elua_exception);
+        }
+        free(elua_info);
+    }
+
+    lua_close(L);
+    return 0;
+}
+
+
+void *elua_get_execute_userdata(struct elua_vm *vm)
+{
+    lua_State *L = (lua_State *)vm;
+    if (vm == NULL)
+    {
+        return NULL;
+    }
+    elua_private_info_t * elua_info = (elua_private_info_t *)lua_getexdata(L);
+    
+    if (elua_info != NULL)
+    {
+        return elua_info->userdata;
+    }
+    else
+    {
+        return NULL;
+    }
+}
+
+int elua_register_cbinding(struct elua_vm *vm, const char *elua_func_namespace, const char *elua_func_name, elua_cbinding_func_ptr const function)
+{
+    lua_State *L = (lua_State *)vm;
+    if (L == NULL)
+    {
+        return -1;
+    }
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(L);
+    if (elua_func_name == NULL || function == NULL)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] Parameter error.", __FUNCTION__, __LINE__);
+        return -1;
+    }
+
+    lua_getglobal(L, elua_info->elua_name);
+    if (elua_func_namespace != NULL)
+    {
+        lua_getfield(L, -1, elua_func_namespace);
+        int ret = lua_type(L, -1);
+        if (ret != LUA_TTABLE)
+        {
+            lua_pop(L, 1);
+            lua_newtable(L);
+            lua_pushcfunction(L, (lua_CFunction)function);
+            lua_setfield(L, -2, elua_func_name);
+            lua_setfield(L, -2, elua_func_namespace);
+        }
+        else
+        {
+            lua_pushcfunction(L, (lua_CFunction)function);
+            lua_setfield(L, -2, elua_func_name);
+        }
+    }
+    else
+    {
+        lua_pushcfunction(L, (lua_CFunction)function);
+        lua_setfield(L, -2, elua_func_name);
+    }
+    lua_settop(L, 0);
+
+    return 0;
+}
+
+elua_context_t *elua_create_context(struct elua_vm *vm, const char *ctx_name)
+{
+    lua_State *L = (lua_State *)vm;
+    if (L == NULL)
+    {
+        return NULL;
+    }
+
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(L);
+    if (ctx_name == NULL)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] Parameter error.", __FUNCTION__, __LINE__);
+        return NULL;
+    }
+
+    lua_newtable(L);
+    int context_id = luaL_ref(L, LUA_REGISTRYINDEX);
+    if (context_id == LUA_REFNIL ||  context_id == LUA_NOREF)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] luaL_ref failed.", __FUNCTION__, __LINE__);
+        return NULL;
+    }
+    lua_settop(L, 0);
+
+    struct elua_context *context = (struct elua_context *)malloc(sizeof(struct elua_context));
+    context->context_id = context_id;
+    int len = strlen(ctx_name);
+    context->context_name = (char *)malloc(len+1);
+    memcpy(context->context_name, ctx_name, len);
+    context->context_name[len] = '\0';
+    context->el = (lua_State *)vm;
+
+    return context;
+}
+
+int elua_destroy_context(struct elua_context *context)
+{
+    if (context == NULL)
+    {
+        return -1;
+    }
+
+    lua_pushnil(context->el);
+    lua_setglobal(context->el, context->context_name);
+    luaL_unref(context->el, LUA_REGISTRYINDEX, context->context_id);
+
+    if (context->context_name != NULL)
+    {
+        free(context->context_name);
+        context->context_name = NULL;
+    }
+    free(context);
+
+    return 0;
+}
+
+static void elua_set_context(lua_State *L, const char *elua_name, int context_id, const char *context_name)
+{
+    if (L != NULL && elua_name != NULL && context_id != LUA_REFNIL && context_id != LUA_NOREF && context_name != NULL)
+    {
+        lua_getglobal(L, elua_name);
+        lua_rawgeti(L, LUA_REGISTRYINDEX, context_id);
+        lua_setfield(L, -2, context_name);
+        lua_pop(L, 1);
+    }
+}
+
+static void elua_set_data(lua_State *L, const char *elua_name, const char *data, int data_len)
+{
+    if (L != NULL && elua_name != NULL && data != NULL && data_len > 0)
+    {
+        int top = lua_gettop(L);
+        lua_getglobal(L, elua_name);
+        lua_pushlstring(L, data, data_len);
+        lua_setfield(L, -2, "data");
+        lua_settop(L, top);
+    }
+}
+
+static int elua_call_script(lua_State *L, int script_id, char *errmsg)
+{
+    lua_rawgeti(L, LUA_REGISTRYINDEX, script_id);
+
+    if (lua_pcall(L, 0, LUA_MULTRET, 0))
+    {
+        const char *err = lua_tostring(L, -1);
+        snprintf(errmsg, 1023, "[%s:%d] %s.", __FUNCTION__, __LINE__, err);
+        return -1;
+    }
+    return 0;
+}
+
+static int elua_vm_return_value(lua_State *L, struct elua_data *output, char *errmsg)
+{
+    if (output == NULL)
+    {
+        //Do not care about return value
+        lua_settop(L, 0);
+    }
+    else
+    {
+        int num = lua_gettop(L);
+        if (num == 0)
+        {
+            // return nothing
+            snprintf(errmsg, 1023, "[%s:%d] script return nothing.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+        else if (num == 2)
+        {
+            output->len = lua_tonumber(L, -2);
+            if (output->len < 1)
+            {
+                snprintf(errmsg, 1023, "[%s:%d] script out_len is %zu.", __FUNCTION__, __LINE__, output->len);
+                return -1;
+            }
+        }
+        else if (num > 2)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] the script return too many values, the num of value is %d, %s.", __FUNCTION__, __LINE__, num, lua_tostring(L, 0-num));
+            return -1;
+        }
+
+        size_t lua_ret_type = lua_type(L, -1);
+        elua_type actual_ret_type;
+
+        switch (lua_ret_type)
+        {
+        case LUA_TNIL:
+            actual_ret_type = NIL;
+            break;
+        case LUA_TSTRING:
+            if (output->type == STRING && output->string != NULL)
+            {
+                memcpy(output->string, lua_tostring(L, -1), output->len);
+            }
+            actual_ret_type = STRING;
+            break;
+        case LUA_TBOOLEAN:
+            output->true_or_false = lua_toboolean(L, -1);
+            output->len = sizeof(int);
+            actual_ret_type = BOOLEAN;
+            break;
+        case LUA_TNUMBER:
+            output->integer = lua_tointeger(L, -1);
+            output->len = sizeof(lua_Integer);
+            actual_ret_type = INTEGER;
+            break;
+        default:
+            snprintf(errmsg, 1023, "[%s:%d] the out_type of return value is invalid.", __FUNCTION__, __LINE__);
+            output->len = 0;
+            return -1;
+        }
+
+        if (actual_ret_type != output->type)
+        {
+            snprintf(errmsg, 1023, "[%s:%d] expect out_type is %d, actual out_type is:%zu.", __FUNCTION__, __LINE__, output->type, lua_ret_type);
+            output->type = actual_ret_type;
+            return -1;
+        }
+    }
+    return 0;
+}
+
+int elua_execute_script(struct elua_script *escript, const char *input, size_t input_len, void *userdata, struct elua_context *ctx, struct elua_data *output)
+{
+    if (escript == NULL)
+    {
+        return -1;
+    }
+
+    lua_State *L = (lua_State *)escript->vm;
+    if (L == NULL)
+    {
+        return -1;
+    }
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(L);
+
+    if (input == NULL || input_len == 0)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] input or input_len is invaild.", __FUNCTION__, __LINE__);
+        return -1;
+    }
+
+    size_t timeout_ms = escript->timeout_ms;
+    elua_info->userdata = userdata;
+    if (ctx != NULL)
+    {
+        elua_set_context(L, elua_info->elua_name, ctx->context_id, ctx->context_name);
+    }
+
+    elua_set_script_timeout(L, timeout_ms);
+
+    jmp_buf *elua_exception;
+
+    elua_info = (elua_private_info_t *)lua_getexdata(L);
+    elua_exception = elua_info->elua_exception;
+
+    elua_set_data(L, elua_info->elua_name, input, input_len);
+
+    if (setjmp(*elua_exception) == 0)
+    {
+        if (elua_info->time_limit > 0)
+        {
+            elua_info->time_now = mstime();
+        }
+        lua_settop(L, 0);
+        int ret = elua_call_script(L, escript->script_id, elua_info->errmsg);
+        if (ret < 0)
+        {
+            return ret;
+        }
+        ret = elua_vm_return_value(L, output, elua_info->errmsg);
+        if (ret < 0)
+        {
+            return ret;
+        }
+    }
+    else
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] exec script failed.", __FUNCTION__, __LINE__);
+        return -1;
+    }
+
+    return 0;
+}
+
+const char *elua_get_last_error_string(struct elua_vm *vm)
+{
+    lua_State *L = (lua_State *)vm;
+    if (L == NULL)
+    {
+        return "The vm is invalid.";
+    }
+
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(L);
+
+    return (const char *)elua_info->errmsg;
+}
+
+int elua_remove_function(struct elua_vm *vm, const char *elua_function)
+{
+    lua_State *L = (lua_State *)vm;
+    if (L == NULL)
+    {
+        return -1;
+    }
+
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(L);
+    if (elua_function == NULL)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] Parameter error.", __FUNCTION__, __LINE__);
+        return -1;    
+    }
+
+    lua_pushnil(L);
+    lua_setglobal(L, elua_function);
+    lua_settop(L, 0);
+
+    return 0;
+}
+
+int elua_cbinding_get_input_params_num(struct elua_vm *vm)
+{
+    lua_State *L = (lua_State *)vm;
+    if (L == NULL)
+    {
+        return -1;
+    }
+    return lua_gettop(L);
+}
+
+int elua_cbinding_get_input_param(struct elua_vm *vm, int param_index, struct elua_data *param)
+{
+    lua_State *L = (lua_State *)vm;
+    if (L == NULL)
+    {
+        return -1;
+    }
+
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(L);
+    if (param_index < 1 || param == NULL)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] Parameter error.", __FUNCTION__, __LINE__);
+        return -1;
+    }
+
+    int num = lua_gettop(L);
+    if (param_index > num)
+    {
+        return 0;
+    }
+
+    int type = lua_type(L, param_index);
+    switch (type)
+    {
+    case LUA_TBOOLEAN:
+        param->type = BOOLEAN;
+        param->true_or_false = lua_toboolean(L, param_index);
+        param->len = sizeof(int);
+        break;
+    case LUA_TNUMBER:
+        param->type = INTEGER;
+        param->integer = lua_tonumber(L, param_index);
+        param->len = sizeof(lua_Integer);
+        break;
+    case LUA_TSTRING:
+        param->type = STRING;
+        param->string = (char *)lua_tostring(L, param_index);
+        param->len = strlen(param->string);
+        break;
+    default:
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] the out_type of param value is invalid.", __FUNCTION__, __LINE__);
+        return -1;
+    }
+
+    return 1;
+}
+
+struct elua_table
+{
+    int index;
+    lua_State *el;
+    bool is_table_value;
+};
+
+struct elua_table *elua_create_table(struct elua_vm *vm)
+{
+    struct lua_State *L = (struct lua_State *)vm;
+    if (L == NULL)
+    {
+        return NULL;
+    }
+
+    struct elua_table *etab = (struct elua_table *)malloc(sizeof(struct elua_table));
+    lua_newtable(L);
+    etab->index = lua_gettop(L);
+    etab->is_table_value = false;
+    etab->el = L;
+    
+    return etab;
+}
+
+//int elua_table_add_element(struct elua_table *table, struct elua_data *key, struct elua_data *value)
+int elua_add_table(struct elua_table *table, struct elua_data *key, struct elua_data *value)
+{
+    if (table == NULL)
+    {
+        return -2;
+    }
+
+    lua_State *L = table->el;
+    if (L == NULL)
+    {
+        return -1;
+    }
+
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(table->el);
+    if(key->type != STRING && key->type != INTEGER)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] the type of key is invalid.", __FUNCTION__, __LINE__);
+        return -1;
+    }
+
+    int top = lua_gettop(L);
+    if (key->type == STRING)
+    {
+        lua_pushlstring(L, key->string, key->len);
+    }
+    else
+    {
+        lua_pushinteger(L, key->integer);
+    }
+
+    switch (value->type)
+    {
+    case NIL:
+        lua_pushnil(L);
+        break;
+    case STRING:
+        lua_pushlstring(L, value->string, value->len);
+        break;
+    case INTEGER:
+        lua_pushinteger(L, value->integer);
+        break;
+    case BOOLEAN:
+        lua_pushboolean(L, value->true_or_false);
+        break;
+    case TABLE:
+        lua_pushvalue(L, value->table->index);
+    default:
+        lua_settop(L, top);
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] the type of value is not invalid.", __FUNCTION__, __LINE__);
+        return -1;
+        break;
+    }
+
+    lua_rawset(L, table->index);
+    return 0;
+}
+
+//int elua_table_update_element(struct elua_table *table, struct elua_data *key, struct elua_data *value)
+int elua_update_table(struct elua_table *table, struct elua_data *key, struct elua_data *value)
+{
+    return elua_add_table(table, key, value);
+}
+
+//int elua_table_delet_element(struct elua_table *table, struct elua_data *key, struct elua_data *value)
+int elua_delete_table(struct elua_table *table, struct elua_data *key)
+{
+    struct elua_data value;
+    value.type = NIL;
+    return elua_add_table(table, key, &value);
+}
+
+//struct elua_data *elua_table_search_element(struct elua_table *table, struct elua_data *key)
+int elua_search_table(struct elua_table *table, struct elua_data *key, struct elua_data *value)
+{
+    if (table == NULL)
+    {
+        return -1;
+    }
+
+    lua_State *L = table->el;
+    if (L == NULL)
+    {
+        return -1;
+    }
+
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(table->el);
+    if(key->type != STRING && key->type != INTEGER)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] the type of key is invalid.", __FUNCTION__, __LINE__);
+        return -1;
+    }
+
+    if (key->type == STRING)
+    {
+        lua_pushlstring(L, key->string, key->len);
+    }
+    else
+    {
+        lua_pushinteger(L, key->integer);
+    }
+
+    lua_rawget(L, table->index);
+    int type = lua_type(L, -1);
+    switch(type)
+    {
+        case LUA_TBOOLEAN:
+        value->type = BOOLEAN;
+        value->true_or_false = lua_toboolean(L, -1);
+        break;
+        case LUA_TNIL:
+        value->type = NIL;
+        break;
+        case LUA_TSTRING:
+        value->type = STRING;
+        value->string = (char *)lua_tostring(L, -1);
+        break;
+        case LUA_TNUMBER:
+        value->type = INTEGER;
+        value->integer = lua_tointeger(L, -1);
+        break;
+        case LUA_TTABLE:
+        value->type = TABLE;
+        //TODO 需要提供table 遍历函数 
+        break;
+    }
+
+    return 0;
+}
+
+void elua_destroy_table(struct elua_table *table)
+{
+    if (table == NULL)
+    {
+        return;
+    }
+
+    lua_State *L = table->el;
+    if (L == NULL)
+    {
+        return;
+    }
+
+    lua_remove(L, table->index);
+    free(table);
+    return;
+}
+
+int elua_cbinding_set_output_params(struct elua_vm *vm, struct elua_data *params, int params_num)
+{
+    lua_State *L = (lua_State *)vm;
+    if (L == NULL)
+    {
+        return -1;
+    }
+
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(L);
+    if(params == NULL || params_num <= 0)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] Parameters error.", __FUNCTION__, __LINE__);
+        return -1;
+    }
+
+    int top = lua_gettop(L);
+    if (top != 0)
+    {
+        if (top == elua_info->lua_stack_top)
+        {
+            snprintf(elua_info->errmsg, 1023, "[%s:%d] You have called this function already.", __FUNCTION__, __LINE__);
+            return -1;
+        }
+    }
+
+    int i;
+    for (i = 0; i < params_num; i++)
+    {
+        switch(params[i].type)
+        {
+        case NIL:
+            lua_pushnil(L);
+            break;
+        case STRING:
+            lua_pushlstring(L, params[i].string, params[i].len);
+            break;
+        case INTEGER:
+            lua_pushinteger(L, params[i].integer);
+            break;
+        case BOOLEAN:
+            lua_pushboolean(L, params[i].true_or_false);
+            break;
+        case TABLE:
+            lua_pushvalue(L, params[i].table->index);
+            break;
+        default:
+            snprintf(elua_info->errmsg, 1023, "[%s:%d] the type of param is invalid.", __FUNCTION__, __LINE__);
+            return i;
+            break;
+        }
+    }
+
+    return 0;
+}
+
+int elua_cbinding_return(struct elua_vm *vm, struct elua_data *data)
+{
+    lua_State *L = (lua_State *)vm;
+    elua_private_info_t *elua_info = (elua_private_info_t *)lua_getexdata(L);
+    if (data == NULL)
+    {
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] Parameter error.", __FUNCTION__, __LINE__);
+        return -1;
+    }
+
+    switch(data->type)
+    {
+    case NIL:
+        lua_pushnil(L);
+        break;
+    case STRING:
+        lua_pushlstring(L, data->string, data->len);
+        break;
+    case INTEGER:
+        lua_pushinteger(L, data->integer);
+        break;
+    case BOOLEAN:
+        if (data->true_or_false)
+        {
+            lua_pushnil(L);
+        }
+        else
+        {
+            lua_pushinteger(L, data->true_or_false);
+        }
+        break;
+    default:
+        snprintf(elua_info->errmsg, 1023, "[%s:%d] the out_type of param value is invalid.", __FUNCTION__, __LINE__);
+        return -1;
+        break;
+    }
+
+    return 0;
+}