提交 e8260ed8 编写于 作者: R robot

Implement connector for OpenResty based on lua51.

Connector is implemented by lua51 but luajit and ffi are not included. Connection pool is not implemented yet. It is a raw demonstration at present and not verified on production environment.
上级 1919d0aa
worker_processes 1;
user root;
error_log logs/error.log;
events {
worker_connections 1024;
}
http {
lua_package_path '$prefix/lua/?.lua;$prefix/rest/?.lua;/blah/?.lua;;';
lua_package_cpath "$prefix/so/?.so;;";
lua_code_cache off;
server {
listen 7000;
server_name restapi;
charset utf-8;
lua_need_request_body on;
location ~ ^/api/([-_a-zA-Z0-9/]+) {
content_by_lua_file rest/$1.lua;
}
}
}
local driver = require "luaconnector51"
local cjson = require "cjson"
ngx.say("start:"..os.time())
local config = {
host = "127.0.0.1",
port = 6030,
database = "",
user = "root",
password = "taosdata",
max_packet_size = 1024 * 1024
}
local conn
local res = driver.connect(config)
if res.code ~=0 then
ngx.say("connect--- failed: "..res.error)
return
else
conn = res.conn
ngx.say("connect--- pass.")
end
local res = driver.query(conn,"drop database if exists nginx")
if res.code ~=0 then
ngx.say("create db--- failed: "..res.error)
else
ngx.say("create db--- pass.")
end
res = driver.query(conn,"create database nginx")
if res.code ~=0 then
ngx.say("create db--- failed: "..res.error)
else
ngx.say("create db--- pass.")
end
res = driver.query(conn,"use nginx")
if res.code ~=0 then
ngx.say("select db--- failed: "..res.error)
else
ngx.say("select db--- pass.")
end
res = driver.query(conn,"create table m1 (ts timestamp, speed int,owner binary(20))")
if res.code ~=0 then
ngx.say("create table---failed: "..res.error)
else
ngx.say("create table--- pass.")
end
res = driver.query(conn,"insert into m1 values ('2019-09-01 00:00:00.001',0,'robotspace'), ('2019-09-01 00:00:00.002',1,'Hilink'),('2019-09-01 00:00:00.003',2,'Harmony')")
if res.code ~=0 then
ngx.say("insert records failed: "..res.error)
return
else
if(res.affected == 3) then
ngx.say("insert records--- pass")
else
ngx.say("insert records---failed: expect 3 affected records, actually affected "..res.affected)
end
end
res = driver.query(conn,"select * from m1")
if res.code ~=0 then
ngx.say("select failed: "..res.error)
return
else
ngx.say(cjson.encode(res))
if (#(res.item) == 3) then
ngx.say("select--- pass")
else
ngx.say("select--- failed: expect 3 affected records, actually received "..#(res.item))
end
end
ngx.say("end:"..os.time())
--ngx.log(ngx.ERR,"in test file.")
...@@ -2,13 +2,13 @@ ...@@ -2,13 +2,13 @@
It's a Lua implementation for [TDengine](https://github.com/taosdata/TDengine), an open-sourced big data platform designed and optimized for the Internet of Things (IoT), Connected Cars, Industrial IoT, and IT Infrastructure and Application Monitoring. You may need to install Lua5.3 . It's a Lua implementation for [TDengine](https://github.com/taosdata/TDengine), an open-sourced big data platform designed and optimized for the Internet of Things (IoT), Connected Cars, Industrial IoT, and IT Infrastructure and Application Monitoring. You may need to install Lua5.3 .
## Dependencies ## Lua Dependencies
- Lua: - Lua:
``` ```
https://www.lua.org/ https://www.lua.org/
``` ```
## Run with Sample ## Run with Lua Sample
Build driver lib: Build driver lib:
``` ```
...@@ -18,3 +18,22 @@ Run lua sample: ...@@ -18,3 +18,22 @@ Run lua sample:
``` ```
lua test.lua lua test.lua
``` ```
## OpenResty Dependencies
- OpenResty:
```
http://openresty.org
```
## Run with OpenResty Sample
Build driver lib:
```
cd lua51
./build.sh
```
Run OpenResty sample:
```
openresty -p .
curl http://127.0.0.1:7000/api/test
```
gcc lua_connector51.c -fPIC -shared -o luaconnector51.so -Wall -ltaos
/*
** $Id: lauxlib.h,v 1.88.1.1 2007/12/27 13:02:25 roberto Exp $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
#ifndef lauxlib_h
#define lauxlib_h
#include <stddef.h>
#include <stdio.h>
#include "lua.h"
/* extra error code for `luaL_load' */
#define LUA_ERRFILE (LUA_ERRERR+1)
typedef struct luaL_Reg {
const char *name;
lua_CFunction func;
} luaL_Reg;
LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname,
const luaL_Reg *l, int nup);
LUALIB_API void (luaL_register) (lua_State *L, const char *libname,
const luaL_Reg *l);
LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);
LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);
LUALIB_API int (luaL_typerror) (lua_State *L, int narg, const char *tname);
LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg);
LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg,
size_t *l);
LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg,
const char *def, size_t *l);
LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg);
LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def);
LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);
LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,
lua_Integer def);
LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);
LUALIB_API void (luaL_checkany) (lua_State *L, int narg);
LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);
LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);
LUALIB_API void (luaL_where) (lua_State *L, int lvl);
LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);
LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def,
const char *const lst[]);
/* pre-defined references */
#define LUA_NOREF (-2)
#define LUA_REFNIL (-1)
LUALIB_API int (luaL_ref) (lua_State *L, int t);
LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);
LUALIB_API int (luaL_loadfile) (lua_State *L, const char *filename);
LUALIB_API int (luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz,
const char *name);
LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);
LUALIB_API lua_State *(luaL_newstate) (void);
LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,
const char *r);
LUALIB_API const char *(luaL_findtable) (lua_State *L, int idx,
const char *fname, int szhint);
/* From Lua 5.2. */
LUALIB_API int luaL_fileresult(lua_State *L, int stat, const char *fname);
LUALIB_API int luaL_execresult(lua_State *L, int stat);
LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename,
const char *mode);
LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz,
const char *name, const char *mode);
LUALIB_API void luaL_traceback (lua_State *L, lua_State *L1, const char *msg,
int level);
LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup);
LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname,
int sizehint);
LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname);
LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname);
/*
** ===============================================================
** some useful macros
** ===============================================================
*/
#define luaL_argcheck(L, cond,numarg,extramsg) \
((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))
#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))
#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))
#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))
#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))
#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))
#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))
#define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))
#define luaL_dofile(L, fn) \
(luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))
#define luaL_dostring(L, s) \
(luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))
#define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))
#define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
/* From Lua 5.2. */
#define luaL_newlibtable(L, l) \
lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)
#define luaL_newlib(L, l) (luaL_newlibtable(L, l), luaL_setfuncs(L, l, 0))
/*
** {======================================================
** Generic Buffer manipulation
** =======================================================
*/
typedef struct luaL_Buffer {
char *p; /* current position in buffer */
int lvl; /* number of strings in the stack (level) */
lua_State *L;
char buffer[LUAL_BUFFERSIZE];
} luaL_Buffer;
#define luaL_addchar(B,c) \
((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \
(*(B)->p++ = (char)(c)))
/* compatibility only */
#define luaL_putchar(B,c) luaL_addchar(B,c)
#define luaL_addsize(B,n) ((B)->p += (n))
LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);
LUALIB_API char *(luaL_prepbuffer) (luaL_Buffer *B);
LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);
LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);
LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
/* }====================================================== */
#endif
/*
** $Id: lua.h,v 1.218.1.5 2008/08/06 13:30:12 roberto Exp $
** Lua - An Extensible Extension Language
** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
** See Copyright Notice at the end of this file
*/
#ifndef lua_h
#define lua_h
#include <stdarg.h>
#include <stddef.h>
#include "luaconf.h"
#define LUA_VERSION "Lua 5.1"
#define LUA_RELEASE "Lua 5.1.4"
#define LUA_VERSION_NUM 501
#define LUA_COPYRIGHT "Copyright (C) 1994-2008 Lua.org, PUC-Rio"
#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo & W. Celes"
/* mark for precompiled code (`<esc>Lua') */
#define LUA_SIGNATURE "\033Lua"
/* option for multiple returns in `lua_pcall' and `lua_call' */
#define LUA_MULTRET (-1)
/*
** pseudo-indices
*/
#define LUA_REGISTRYINDEX (-10000)
#define LUA_ENVIRONINDEX (-10001)
#define LUA_GLOBALSINDEX (-10002)
#define lua_upvalueindex(i) (LUA_GLOBALSINDEX-(i))
/* thread status */
#define LUA_OK 0
#define LUA_YIELD 1
#define LUA_ERRRUN 2
#define LUA_ERRSYNTAX 3
#define LUA_ERRMEM 4
#define LUA_ERRERR 5
typedef struct lua_State lua_State;
typedef int (*lua_CFunction) (lua_State *L);
/*
** functions that read/write blocks when loading/dumping Lua chunks
*/
typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz);
typedef int (*lua_Writer) (lua_State *L, const void* p, size_t sz, void* ud);
/*
** prototype for memory-allocation functions
*/
typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
/*
** basic types
*/
#define LUA_TNONE (-1)
#define LUA_TNIL 0
#define LUA_TBOOLEAN 1
#define LUA_TLIGHTUSERDATA 2
#define LUA_TNUMBER 3
#define LUA_TSTRING 4
#define LUA_TTABLE 5
#define LUA_TFUNCTION 6
#define LUA_TUSERDATA 7
#define LUA_TTHREAD 8
/* minimum Lua stack available to a C function */
#define LUA_MINSTACK 20
/*
** generic extra include file
*/
#if defined(LUA_USER_H)
#include LUA_USER_H
#endif
/* type of numbers in Lua */
typedef LUA_NUMBER lua_Number;
/* type for integer functions */
typedef LUA_INTEGER lua_Integer;
/*
** state manipulation
*/
LUA_API lua_State *(lua_newstate) (lua_Alloc f, void *ud);
LUA_API void (lua_close) (lua_State *L);
LUA_API lua_State *(lua_newthread) (lua_State *L);
LUA_API lua_CFunction (lua_atpanic) (lua_State *L, lua_CFunction panicf);
/*
** basic stack manipulation
*/
LUA_API int (lua_gettop) (lua_State *L);
LUA_API void (lua_settop) (lua_State *L, int idx);
LUA_API void (lua_pushvalue) (lua_State *L, int idx);
LUA_API void (lua_remove) (lua_State *L, int idx);
LUA_API void (lua_insert) (lua_State *L, int idx);
LUA_API void (lua_replace) (lua_State *L, int idx);
LUA_API int (lua_checkstack) (lua_State *L, int sz);
LUA_API void (lua_xmove) (lua_State *from, lua_State *to, int n);
/*
** access functions (stack -> C)
*/
LUA_API int (lua_isnumber) (lua_State *L, int idx);
LUA_API int (lua_isstring) (lua_State *L, int idx);
LUA_API int (lua_iscfunction) (lua_State *L, int idx);
LUA_API int (lua_isuserdata) (lua_State *L, int idx);
LUA_API int (lua_type) (lua_State *L, int idx);
LUA_API const char *(lua_typename) (lua_State *L, int tp);
LUA_API int (lua_equal) (lua_State *L, int idx1, int idx2);
LUA_API int (lua_rawequal) (lua_State *L, int idx1, int idx2);
LUA_API int (lua_lessthan) (lua_State *L, int idx1, int idx2);
LUA_API lua_Number (lua_tonumber) (lua_State *L, int idx);
LUA_API lua_Integer (lua_tointeger) (lua_State *L, int idx);
LUA_API int (lua_toboolean) (lua_State *L, int idx);
LUA_API const char *(lua_tolstring) (lua_State *L, int idx, size_t *len);
LUA_API size_t (lua_objlen) (lua_State *L, int idx);
LUA_API lua_CFunction (lua_tocfunction) (lua_State *L, int idx);
LUA_API void *(lua_touserdata) (lua_State *L, int idx);
LUA_API lua_State *(lua_tothread) (lua_State *L, int idx);
LUA_API const void *(lua_topointer) (lua_State *L, int idx);
/*
** push functions (C -> stack)
*/
LUA_API void (lua_pushnil) (lua_State *L);
LUA_API void (lua_pushnumber) (lua_State *L, lua_Number n);
LUA_API void (lua_pushinteger) (lua_State *L, lua_Integer n);
LUA_API void (lua_pushlstring) (lua_State *L, const char *s, size_t l);
LUA_API void (lua_pushstring) (lua_State *L, const char *s);
LUA_API const char *(lua_pushvfstring) (lua_State *L, const char *fmt,
va_list argp);
LUA_API const char *(lua_pushfstring) (lua_State *L, const char *fmt, ...);
LUA_API void (lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n);
LUA_API void (lua_pushboolean) (lua_State *L, int b);
LUA_API void (lua_pushlightuserdata) (lua_State *L, void *p);
LUA_API int (lua_pushthread) (lua_State *L);
/*
** get functions (Lua -> stack)
*/
LUA_API void (lua_gettable) (lua_State *L, int idx);
LUA_API void (lua_getfield) (lua_State *L, int idx, const char *k);
LUA_API void (lua_rawget) (lua_State *L, int idx);
LUA_API void (lua_rawgeti) (lua_State *L, int idx, int n);
LUA_API void (lua_createtable) (lua_State *L, int narr, int nrec);
LUA_API void *(lua_newuserdata) (lua_State *L, size_t sz);
LUA_API int (lua_getmetatable) (lua_State *L, int objindex);
LUA_API void (lua_getfenv) (lua_State *L, int idx);
/*
** set functions (stack -> Lua)
*/
LUA_API void (lua_settable) (lua_State *L, int idx);
LUA_API void (lua_setfield) (lua_State *L, int idx, const char *k);
LUA_API void (lua_rawset) (lua_State *L, int idx);
LUA_API void (lua_rawseti) (lua_State *L, int idx, int n);
LUA_API int (lua_setmetatable) (lua_State *L, int objindex);
LUA_API int (lua_setfenv) (lua_State *L, int idx);
/*
** `load' and `call' functions (load and run Lua code)
*/
LUA_API void (lua_call) (lua_State *L, int nargs, int nresults);
LUA_API int (lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc);
LUA_API int (lua_cpcall) (lua_State *L, lua_CFunction func, void *ud);
LUA_API int (lua_load) (lua_State *L, lua_Reader reader, void *dt,
const char *chunkname);
LUA_API int (lua_dump) (lua_State *L, lua_Writer writer, void *data);
/*
** coroutine functions
*/
LUA_API int (lua_yield) (lua_State *L, int nresults);
LUA_API int (lua_resume) (lua_State *L, int narg);
LUA_API int (lua_status) (lua_State *L);
/*
** garbage-collection function and options
*/
#define LUA_GCSTOP 0
#define LUA_GCRESTART 1
#define LUA_GCCOLLECT 2
#define LUA_GCCOUNT 3
#define LUA_GCCOUNTB 4
#define LUA_GCSTEP 5
#define LUA_GCSETPAUSE 6
#define LUA_GCSETSTEPMUL 7
#define LUA_GCISRUNNING 9
LUA_API int (lua_gc) (lua_State *L, int what, int data);
/*
** miscellaneous functions
*/
LUA_API int (lua_error) (lua_State *L);
LUA_API int (lua_next) (lua_State *L, int idx);
LUA_API void (lua_concat) (lua_State *L, int n);
LUA_API lua_Alloc (lua_getallocf) (lua_State *L, void **ud);
LUA_API void lua_setallocf (lua_State *L, lua_Alloc f, void *ud);
LUA_API void lua_setexdata(lua_State *L, void *exdata);
LUA_API void *lua_getexdata(lua_State *L);
/*
** ===============================================================
** some useful macros
** ===============================================================
*/
#define lua_pop(L,n) lua_settop(L, -(n)-1)
#define lua_newtable(L) lua_createtable(L, 0, 0)
#define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n)))
#define lua_pushcfunction(L,f) lua_pushcclosure(L, (f), 0)
#define lua_strlen(L,i) lua_objlen(L, (i))
#define lua_isfunction(L,n) (lua_type(L, (n)) == LUA_TFUNCTION)
#define lua_istable(L,n) (lua_type(L, (n)) == LUA_TTABLE)
#define lua_islightuserdata(L,n) (lua_type(L, (n)) == LUA_TLIGHTUSERDATA)
#define lua_isnil(L,n) (lua_type(L, (n)) == LUA_TNIL)
#define lua_isboolean(L,n) (lua_type(L, (n)) == LUA_TBOOLEAN)
#define lua_isthread(L,n) (lua_type(L, (n)) == LUA_TTHREAD)
#define lua_isnone(L,n) (lua_type(L, (n)) == LUA_TNONE)
#define lua_isnoneornil(L, n) (lua_type(L, (n)) <= 0)
#define lua_pushliteral(L, s) \
lua_pushlstring(L, "" s, (sizeof(s)/sizeof(char))-1)
#define lua_setglobal(L,s) lua_setfield(L, LUA_GLOBALSINDEX, (s))
#define lua_getglobal(L,s) lua_getfield(L, LUA_GLOBALSINDEX, (s))
#define lua_tostring(L,i) lua_tolstring(L, (i), NULL)
/*
** compatibility macros and functions
*/
#define lua_open() luaL_newstate()
#define lua_getregistry(L) lua_pushvalue(L, LUA_REGISTRYINDEX)
#define lua_getgccount(L) lua_gc(L, LUA_GCCOUNT, 0)
#define lua_Chunkreader lua_Reader
#define lua_Chunkwriter lua_Writer
/* hack */
LUA_API void lua_setlevel (lua_State *from, lua_State *to);
/*
** {======================================================================
** Debug API
** =======================================================================
*/
/*
** Event codes
*/
#define LUA_HOOKCALL 0
#define LUA_HOOKRET 1
#define LUA_HOOKLINE 2
#define LUA_HOOKCOUNT 3
#define LUA_HOOKTAILRET 4
/*
** Event masks
*/
#define LUA_MASKCALL (1 << LUA_HOOKCALL)
#define LUA_MASKRET (1 << LUA_HOOKRET)
#define LUA_MASKLINE (1 << LUA_HOOKLINE)
#define LUA_MASKCOUNT (1 << LUA_HOOKCOUNT)
typedef struct lua_Debug lua_Debug; /* activation record */
/* Functions to be called by the debuger in specific events */
typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar);
LUA_API int lua_getstack (lua_State *L, int level, lua_Debug *ar);
LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar);
LUA_API const char *lua_getlocal (lua_State *L, const lua_Debug *ar, int n);
LUA_API const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n);
LUA_API const char *lua_getupvalue (lua_State *L, int funcindex, int n);
LUA_API const char *lua_setupvalue (lua_State *L, int funcindex, int n);
LUA_API int lua_sethook (lua_State *L, lua_Hook func, int mask, int count);
LUA_API lua_Hook lua_gethook (lua_State *L);
LUA_API int lua_gethookmask (lua_State *L);
LUA_API int lua_gethookcount (lua_State *L);
/* From Lua 5.2. */
LUA_API void *lua_upvalueid (lua_State *L, int idx, int n);
LUA_API void lua_upvaluejoin (lua_State *L, int idx1, int n1, int idx2, int n2);
LUA_API int lua_loadx (lua_State *L, lua_Reader reader, void *dt,
const char *chunkname, const char *mode);
LUA_API const lua_Number *lua_version (lua_State *L);
LUA_API void lua_copy (lua_State *L, int fromidx, int toidx);
LUA_API lua_Number lua_tonumberx (lua_State *L, int idx, int *isnum);
LUA_API lua_Integer lua_tointegerx (lua_State *L, int idx, int *isnum);
/* From Lua 5.3. */
LUA_API int lua_isyieldable (lua_State *L);
struct lua_Debug {
int event;
const char *name; /* (n) */
const char *namewhat; /* (n) `global', `local', `field', `method' */
const char *what; /* (S) `Lua', `C', `main', `tail' */
const char *source; /* (S) */
int currentline; /* (l) */
int nups; /* (u) number of upvalues */
int linedefined; /* (S) */
int lastlinedefined; /* (S) */
char short_src[LUA_IDSIZE]; /* (S) */
/* private part */
int i_ci; /* active function */
};
/* }====================================================================== */
/******************************************************************************
* Copyright (C) 1994-2008 Lua.org, PUC-Rio. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
******************************************************************************/
#endif
#include <stdio.h>
#include <math.h>
#include <stdarg.h>
#include <stdlib.h>
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
#include <taos.h>
struct cb_param{
lua_State* state;
int callback;
void * stream;
};
static int l_connect(lua_State *L){
TAOS * taos=NULL;
char* host;
char* database;
char* user;
char* password;
int port;
luaL_checktype(L, 1, LUA_TTABLE);
lua_getfield(L,-1,"host");
if (lua_isstring(L,-1)){
host = lua_tostring(L, -1);
// printf("host = %s\n", host);
}
lua_getfield(L, 1, "port");
if (lua_isnumber(L,-1)){
port = lua_tonumber(L, -1);
//printf("port = %d\n", port);
}
lua_getfield(L, 1, "database");
if (lua_isstring(L, -1)){
database = lua_tostring(L, -1);
//printf("database = %s\n", database);
}
lua_getfield(L, 1, "user");
if (lua_isstring(L, -1)){
user = lua_tostring(L, -1);
//printf("user = %s\n", user);
}
lua_getfield(L, 1, "password");
if (lua_isstring(L, -1)){
password = lua_tostring(L, -1);
//printf("password = %s\n", password);
}
lua_settop(L,0);
taos_init();
lua_newtable(L);
int table_index = lua_gettop(L);
taos = taos_connect(host, user,password,database, port);
if (taos == NULL) {
printf("failed to connect server, reason:%s\n", taos_errstr(taos));
lua_pushinteger(L, -1);
lua_setfield(L, table_index, "code");
lua_pushstring(L, taos_errstr(taos));
lua_setfield(L, table_index, "error");
lua_pushlightuserdata(L,NULL);
lua_setfield(L, table_index, "conn");
}else{
// printf("success to connect server\n");
lua_pushinteger(L, 0);
lua_setfield(L, table_index, "code");
lua_pushstring(L, taos_errstr(taos));
lua_setfield(L, table_index, "error");
lua_pushlightuserdata(L,taos);
lua_setfield(L, table_index, "conn");
}
return 1;
}
static int l_query(lua_State *L){
TAOS * taos= lua_topointer(L,1);
char *s = lua_tostring(L, 2);
TAOS_RES *result;
lua_newtable(L);
int table_index = lua_gettop(L);
// printf("receive command:%s\r\n",s);
result = taos_query(taos,s);
int32_t code = taos_errno(result);
if( code != 0){
printf("failed, reason:%s\n", taos_errstr(result));
lua_pushinteger(L, -1);
lua_setfield(L, table_index, "code");
lua_pushstring(L, taos_errstr(taos));
lua_setfield(L, table_index, "error");
return 1;
}else{
//printf("success to query.\n");
TAOS_ROW row;
int rows = 0;
int num_fields = taos_field_count(result);
TAOS_FIELD *fields = taos_fetch_fields(result);
char temp[256];
int affectRows = taos_affected_rows(result);
// printf(" affect rows:%d\r\n", affectRows);
lua_pushinteger(L, 0);
lua_setfield(L, table_index, "code");
lua_pushinteger(L, affectRows);
lua_setfield(L, table_index, "affected");
lua_newtable(L);
while ((row = taos_fetch_row(result))) {
//printf("row index:%d\n",rows);
rows++;
lua_pushnumber(L,rows);
lua_newtable(L);
for (int i = 0; i < num_fields; ++i) {
if (row[i] == NULL) {
continue;
}
lua_pushstring(L,fields[i].name);
switch (fields[i].type) {
case TSDB_DATA_TYPE_TINYINT:
lua_pushinteger(L,*((char *)row[i]));
break;
case TSDB_DATA_TYPE_SMALLINT:
lua_pushinteger(L,*((short *)row[i]));
break;
case TSDB_DATA_TYPE_INT:
lua_pushinteger(L,*((int *)row[i]));
break;
case TSDB_DATA_TYPE_BIGINT:
lua_pushinteger(L,*((int64_t *)row[i]));
break;
case TSDB_DATA_TYPE_FLOAT:
lua_pushnumber(L,*((float *)row[i]));
break;
case TSDB_DATA_TYPE_DOUBLE:
lua_pushnumber(L,*((double *)row[i]));
break;
case TSDB_DATA_TYPE_BINARY:
case TSDB_DATA_TYPE_NCHAR:
lua_pushstring(L,(char *)row[i]);
break;
case TSDB_DATA_TYPE_TIMESTAMP:
lua_pushinteger(L,*((int64_t *)row[i]));
break;
case TSDB_DATA_TYPE_BOOL:
lua_pushinteger(L,*((char *)row[i]));
break;
default:
lua_pushnil(L);
break;
}
lua_settable(L,-3);
}
lua_settable(L,-3);
}
taos_free_result(result);
}
lua_setfield(L, table_index, "item");
return 1;
}
void stream_cb(void *param, TAOS_RES *result, TAOS_ROW row){
struct cb_param* p = (struct cb_param*) param;
TAOS_FIELD *fields = taos_fetch_fields(result);
int numFields = taos_num_fields(result);
// printf("\nnumfields:%d\n", numFields);
//printf("\n\r-----------------------------------------------------------------------------------\n");
lua_State *L = p->state;
lua_rawgeti(L, LUA_REGISTRYINDEX, p->callback);
lua_newtable(L);
for (int i = 0; i < numFields; ++i) {
if (row[i] == NULL) {
continue;
}
lua_pushstring(L,fields[i].name);
switch (fields[i].type) {
case TSDB_DATA_TYPE_TINYINT:
lua_pushinteger(L,*((char *)row[i]));
break;
case TSDB_DATA_TYPE_SMALLINT:
lua_pushinteger(L,*((short *)row[i]));
break;
case TSDB_DATA_TYPE_INT:
lua_pushinteger(L,*((int *)row[i]));
break;
case TSDB_DATA_TYPE_BIGINT:
lua_pushinteger(L,*((int64_t *)row[i]));
break;
case TSDB_DATA_TYPE_FLOAT:
lua_pushnumber(L,*((float *)row[i]));
break;
case TSDB_DATA_TYPE_DOUBLE:
lua_pushnumber(L,*((double *)row[i]));
break;
case TSDB_DATA_TYPE_BINARY:
case TSDB_DATA_TYPE_NCHAR:
lua_pushstring(L,(char *)row[i]);
break;
case TSDB_DATA_TYPE_TIMESTAMP:
lua_pushinteger(L,*((int64_t *)row[i]));
break;
case TSDB_DATA_TYPE_BOOL:
lua_pushinteger(L,*((char *)row[i]));
break;
default:
lua_pushnil(L);
break;
}
lua_settable(L, -3);
}
lua_call(L, 1, 0);
printf("-----------------------------------------------------------------------------------\n\r");
}
static int l_open_stream(lua_State *L){
int r = luaL_ref(L, LUA_REGISTRYINDEX);
TAOS * taos = lua_topointer(L,1);
char * sqlstr = lua_tostring(L,2);
int stime = luaL_checknumber(L,3);
lua_newtable(L);
int table_index = lua_gettop(L);
struct cb_param *p = malloc(sizeof(struct cb_param));
p->state = L;
p->callback=r;
// printf("r:%d, L:%d\n",r,L);
void * s = taos_open_stream(taos,sqlstr,stream_cb,stime,p,NULL);
if (s == NULL) {
printf("failed to open stream, reason:%s\n", taos_errstr(taos));
free(p);
lua_pushnumber(L, -1);
lua_setfield(L, table_index, "code");
lua_pushstring(L, taos_errstr(taos));
lua_setfield(L, table_index, "error");
lua_pushlightuserdata(L,NULL);
lua_setfield(L, table_index, "stream");
}else{
// printf("success to open stream\n");
lua_pushnumber(L, 0);
lua_setfield(L, table_index, "code");
lua_pushstring(L, taos_errstr(taos));
lua_setfield(L, table_index, "error");
p->stream = s;
lua_pushlightuserdata(L,p);
lua_setfield(L, table_index, "stream");//stream has different content in lua and c.
}
return 1;
}
static int l_close_stream(lua_State *L){
//TODO:get stream and free cb_param
struct cb_param *p = lua_touserdata(L,1);
taos_close_stream(p->stream);
free(p);
return 0;
}
static int l_close(lua_State *L){
TAOS * taos= lua_topointer(L,1);
lua_newtable(L);
int table_index = lua_gettop(L);
if(taos == NULL){
lua_pushnumber(L, -1);
lua_setfield(L, table_index, "code");
lua_pushstring(L, "null pointer.");
lua_setfield(L, table_index, "error");
}else{
taos_close(taos);
lua_pushnumber(L, 0);
lua_setfield(L, table_index, "code");
lua_pushstring(L, "done.");
lua_setfield(L, table_index, "error");
}
return 1;
}
static const struct luaL_Reg lib[] = {
{"connect", l_connect},
{"query", l_query},
{"close", l_close},
{"open_stream", l_open_stream},
{"close_stream", l_close_stream},
{NULL, NULL}
};
extern int luaopen_luaconnector51(lua_State* L)
{
// luaL_register(L, "luaconnector51", lib);
lua_newtable (L);
luaL_setfuncs(L,lib,0);
return 1;
}
/*
** Configuration header.
** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
*/
#ifndef luaconf_h
#define luaconf_h
#ifndef WINVER
#define WINVER 0x0501
#endif
#include <limits.h>
#include <stddef.h>
/* Default path for loading Lua and C modules with require(). */
#if defined(_WIN32)
/*
** In Windows, any exclamation mark ('!') in the path is replaced by the
** path of the directory of the executable file of the current process.
*/
#define LUA_LDIR "!\\lua\\"
#define LUA_CDIR "!\\"
#define LUA_PATH_DEFAULT \
".\\?.lua;" "!\\lualib\\?.lua;" LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;"
#define LUA_CPATH_DEFAULT \
".\\?.dll;" "!\\lualib\\?.so;" LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll"
#else
/*
** Note to distribution maintainers: do NOT patch the following lines!
** Please read ../doc/install.html#distro and pass PREFIX=/usr instead.
*/
#ifndef LUA_MULTILIB
#define LUA_MULTILIB "lib"
#endif
#ifndef LUA_LMULTILIB
#define LUA_LMULTILIB "lib"
#endif
#define LUA_LROOT "/usr/local"
#define LUA_LUADIR "/lua/5.1/"
#define LUA_LJDIR "/luajit-2.1.0-beta3/"
#ifdef LUA_ROOT
#define LUA_JROOT LUA_ROOT
#define LUA_RLDIR LUA_ROOT "/share" LUA_LUADIR
#define LUA_RCDIR LUA_ROOT "/" LUA_MULTILIB LUA_LUADIR
#define LUA_RLPATH ";" LUA_RLDIR "?.lua;" LUA_RLDIR "?/init.lua"
#define LUA_RCPATH ";" LUA_RCDIR "?.so"
#else
#define LUA_JROOT LUA_LROOT
#define LUA_RLPATH
#define LUA_RCPATH
#endif
#define LUA_JPATH ";" LUA_JROOT "/share" LUA_LJDIR "?.lua"
#define LUA_LLDIR LUA_LROOT "/share" LUA_LUADIR
#define LUA_LCDIR LUA_LROOT "/" LUA_LMULTILIB LUA_LUADIR
#define LUA_LLPATH ";" LUA_LLDIR "?.lua;" LUA_LLDIR "?/init.lua"
#define LUA_LCPATH1 ";" LUA_LCDIR "?.so"
#define LUA_LCPATH2 ";" LUA_LCDIR "loadall.so"
#define LUA_PATH_DEFAULT "./?.lua" LUA_JPATH LUA_LLPATH LUA_RLPATH
#define LUA_CPATH_DEFAULT "./?.so" LUA_LCPATH1 LUA_RCPATH LUA_LCPATH2
#endif
/* Environment variable names for path overrides and initialization code. */
#define LUA_PATH "LUA_PATH"
#define LUA_CPATH "LUA_CPATH"
#define LUA_INIT "LUA_INIT"
/* Special file system characters. */
#if defined(_WIN32)
#define LUA_DIRSEP "\\"
#else
#define LUA_DIRSEP "/"
#endif
#define LUA_PATHSEP ";"
#define LUA_PATH_MARK "?"
#define LUA_EXECDIR "!"
#define LUA_IGMARK "-"
#define LUA_PATH_CONFIG \
LUA_DIRSEP "\n" LUA_PATHSEP "\n" LUA_PATH_MARK "\n" \
LUA_EXECDIR "\n" LUA_IGMARK "\n"
/* Quoting in error messages. */
#define LUA_QL(x) "'" x "'"
#define LUA_QS LUA_QL("%s")
/* Various tunables. */
#define LUAI_MAXSTACK 65500 /* Max. # of stack slots for a thread (<64K). */
#define LUAI_MAXCSTACK 8000 /* Max. # of stack slots for a C func (<10K). */
#define LUAI_GCPAUSE 200 /* Pause GC until memory is at 200%. */
#define LUAI_GCMUL 200 /* Run GC at 200% of allocation speed. */
#define LUA_MAXCAPTURES 32 /* Max. pattern captures. */
/* Configuration for the frontend (the luajit executable). */
#if defined(luajit_c)
#define LUA_PROGNAME "luajit" /* Fallback frontend name. */
#define LUA_PROMPT "> " /* Interactive prompt. */
#define LUA_PROMPT2 ">> " /* Continuation prompt. */
#define LUA_MAXINPUT 512 /* Max. input line length. */
#endif
/* Note: changing the following defines breaks the Lua 5.1 ABI. */
#define LUA_INTEGER ptrdiff_t
#define LUA_IDSIZE 60 /* Size of lua_Debug.short_src. */
/*
** Size of lauxlib and io.* on-stack buffers. Weird workaround to avoid using
** unreasonable amounts of stack space, but still retain ABI compatibility.
** Blame Lua for depending on BUFSIZ in the ABI, blame **** for wrecking it.
*/
#define LUAL_BUFFERSIZE (BUFSIZ > 16384 ? 8192 : BUFSIZ)
/* The following defines are here only for compatibility with luaconf.h
** from the standard Lua distribution. They must not be changed for LuaJIT.
*/
#define LUA_NUMBER_DOUBLE
#define LUA_NUMBER double
#define LUAI_UACNUMBER double
#define LUA_NUMBER_SCAN "%lf"
#define LUA_NUMBER_FMT "%.14g"
#define lua_number2str(s, n) sprintf((s), LUA_NUMBER_FMT, (n))
#define LUAI_MAXNUMBER2STR 32
#define LUA_INTFRMLEN "l"
#define LUA_INTFRM_T long
/* Linkage of public API functions. */
#if defined(LUA_BUILD_AS_DLL)
#if defined(LUA_CORE) || defined(LUA_LIB)
#define LUA_API __declspec(dllexport)
#else
#define LUA_API __declspec(dllimport)
#endif
#else
#define LUA_API extern
#endif
#define LUALIB_API LUA_API
/* Support for internal assertions. */
#if defined(LUA_USE_ASSERT) || defined(LUA_USE_APICHECK)
#include <assert.h>
#endif
#ifdef LUA_USE_ASSERT
#define lua_assert(x) assert(x)
#endif
#ifdef LUA_USE_APICHECK
#define luai_apicheck(L, o) { (void)L; assert(o); }
#else
#define luai_apicheck(L, o) { (void)L; }
#endif
#endif
/*
** LuaJIT -- a Just-In-Time Compiler for Lua. http://luajit.org/
**
** Copyright (C) 2005-2017 Mike Pall. All rights reserved.
**
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**
** [ MIT license: http://www.opensource.org/licenses/mit-license.php ]
*/
#ifndef _LUAJIT_H
#define _LUAJIT_H
#include "lua.h"
#define OPENRESTY_LUAJIT
#define LUAJIT_VERSION "LuaJIT 2.1.0-beta3"
#define LUAJIT_VERSION_NUM 20100 /* Version 2.1.0 = 02.01.00. */
#define LUAJIT_VERSION_SYM luaJIT_version_2_1_0_beta3
#define LUAJIT_COPYRIGHT "Copyright (C) 2005-2017 Mike Pall"
#define LUAJIT_URL "http://luajit.org/"
/* Modes for luaJIT_setmode. */
#define LUAJIT_MODE_MASK 0x00ff
enum {
LUAJIT_MODE_ENGINE, /* Set mode for whole JIT engine. */
LUAJIT_MODE_DEBUG, /* Set debug mode (idx = level). */
LUAJIT_MODE_FUNC, /* Change mode for a function. */
LUAJIT_MODE_ALLFUNC, /* Recurse into subroutine protos. */
LUAJIT_MODE_ALLSUBFUNC, /* Change only the subroutines. */
LUAJIT_MODE_TRACE, /* Flush a compiled trace. */
LUAJIT_MODE_WRAPCFUNC = 0x10, /* Set wrapper mode for C function calls. */
LUAJIT_MODE_MAX
};
/* Flags or'ed in to the mode. */
#define LUAJIT_MODE_OFF 0x0000 /* Turn feature off. */
#define LUAJIT_MODE_ON 0x0100 /* Turn feature on. */
#define LUAJIT_MODE_FLUSH 0x0200 /* Flush JIT-compiled code. */
/* LuaJIT public C API. */
/* Control the JIT engine. */
LUA_API int luaJIT_setmode(lua_State *L, int idx, int mode);
/* Low-overhead profiling API. */
typedef void (*luaJIT_profile_callback)(void *data, lua_State *L,
int samples, int vmstate);
LUA_API void luaJIT_profile_start(lua_State *L, const char *mode,
luaJIT_profile_callback cb, void *data);
LUA_API void luaJIT_profile_stop(lua_State *L);
LUA_API const char *luaJIT_profile_dumpstack(lua_State *L, const char *fmt,
int depth, size_t *len);
/* Enforce (dynamic) linker error for version mismatches. Call from main. */
LUA_API void LUAJIT_VERSION_SYM(void);
#endif
/*
** Standard library header.
** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
*/
#ifndef _LUALIB_H
#define _LUALIB_H
#include "lua.h"
#define LUA_FILEHANDLE "FILE*"
#define LUA_COLIBNAME "coroutine"
#define LUA_MATHLIBNAME "math"
#define LUA_STRLIBNAME "string"
#define LUA_TABLIBNAME "table"
#define LUA_IOLIBNAME "io"
#define LUA_OSLIBNAME "os"
#define LUA_LOADLIBNAME "package"
#define LUA_DBLIBNAME "debug"
#define LUA_BITLIBNAME "bit"
#define LUA_JITLIBNAME "jit"
#define LUA_FFILIBNAME "ffi"
#define LUA_THRLIBNAME "thread"
LUALIB_API int luaopen_base(lua_State *L);
LUALIB_API int luaopen_math(lua_State *L);
LUALIB_API int luaopen_string(lua_State *L);
LUALIB_API int luaopen_table(lua_State *L);
LUALIB_API int luaopen_io(lua_State *L);
LUALIB_API int luaopen_os(lua_State *L);
LUALIB_API int luaopen_package(lua_State *L);
LUALIB_API int luaopen_debug(lua_State *L);
LUALIB_API int luaopen_bit(lua_State *L);
LUALIB_API int luaopen_jit(lua_State *L);
LUALIB_API int luaopen_ffi(lua_State *L);
LUALIB_API void luaL_openlibs(lua_State *L);
#ifndef lua_assert
#define lua_assert(x) ((void)0)
#endif
#endif
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