nginx lua api翻译

程序员文章站 2022-05-03 20:06:07

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nginx的lua模块提供了很多lua的函数API给用户使用，以便让lua更好的操作nginx

24.1 Introduction
这里说的Nginx api for lua，指的就是在nginx.conf文件中用*_by_lua 和*_by_lua_file指令使用lua代码，为lua提供的专门的api。

24.2 ngx.arg

syntax: val = ngx.arg[index]

context: set_by_lua*, body_filter_by_lua*

通过用valua = ngx.arg[n]，让nginx的变量作为参数传入lua给lua调用，使用方式如下列的代码

location /foo {set$a32;set$b56;
 
        set_by_lua $sum'return tonumber(ngx.arg[1]) + tonumber(ngx.arg[2])'$a$b;
 
        echo $sum;}

$sum 的值最后是88。

24.3 ngx.var.VARIABLE

syntax: ngx.var.VAR_NAME

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*

可以通过以下的代码进行读写nginx的变量
value = ngx.var.some_nginx_variable_name
ngx.var.some_nginx_variable_name=value

location /foo {set$my_var'';# this line is required to create $my_var at config time
        content_by_lua '
            ngx.var.my_var = 123;
            ...
        ';}

在lua代码里面就可以得到或者设置nginx.conf的变量，比较下跟上面的nginx.arg有什么区别~

24.4 Core constants
context: init_by_lua*, set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, *log_by_lua*, ngx.timer.*
一些核心常量

  ngx.OK (0)
  ngx.ERROR (-1)
  ngx.AGAIN (-2)
  ngx.DONE (-4)
  ngx.DECLINED (-5)

24.5 HTTP method constants
context: init_by_lua*, set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*, ngx.timer.*

  ngx.HTTP_GET
  ngx.HTTP_HEAD
  ngx.HTTP_PUT
  ngx.HTTP_POST
  ngx.HTTP_DELETE
  ngx.HTTP_OPTIONS   (added in the v0.5.0rc24 release)
  ngx.HTTP_MKCOL     (added in the v0.8.2 release)
  ngx.HTTP_COPY      (added in the v0.8.2 release)
  ngx.HTTP_MOVE      (added in the v0.8.2 release)
  ngx.HTTP_PROPFIND  (added in the v0.8.2 release)
  ngx.HTTP_PROPPATCH (added in the v0.8.2 release)
  ngx.HTTP_LOCK      (added in the v0.8.2 release)
  ngx.HTTP_UNLOCK    (added in the v0.8.2 release)
  ngx.HTTP_PATCH     (added in the v0.8.2 release)
  ngx.HTTP_TRACE     (added in the v0.8.2 release)

一些http method的常量，一般用在ngx.location.capture 和ngx.location.capture_multi 这几个API的调用中~

24.6 HTTP status constants
context: init_by_lua*, set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*, ngx.timer.*

  value = ngx.HTTP_OK (200)
  value = ngx.HTTP_CREATED (201)
  value = ngx.HTTP_SPECIAL_RESPONSE (300)
  value = ngx.HTTP_MOVED_PERMANENTLY (301)
  value = ngx.HTTP_MOVED_TEMPORARILY (302)
  value = ngx.HTTP_SEE_OTHER (303)
  value = ngx.HTTP_NOT_MODIFIED (304)
  value = ngx.HTTP_BAD_REQUEST (400)
  value = ngx.HTTP_UNAUTHORIZED (401)
  value = ngx.HTTP_FORBIDDEN (403)
  value = ngx.HTTP_NOT_FOUND (404)
  value = ngx.HTTP_NOT_ALLOWED (405)
  value = ngx.HTTP_GONE (410)
  value = ngx.HTTP_INTERNAL_SERVER_ERROR (500)
  value = ngx.HTTP_METHOD_NOT_IMPLEMENTED (501)
  value = ngx.HTTP_SERVICE_UNAVAILABLE (503)
  value = ngx.HTTP_GATEWAY_TIMEOUT (504)(first added in the v0.3.1rc38 release)

http响应状态的常量

24.7 Nginx log level constants
context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*, ngx.timer.*

  ngx.STDERR
  ngx.EMERG
  ngx.ALERT
  ngx.CRIT
  ngx.ERR
  ngx.WARN
  ngx.NOTICE
  ngx.INFO
  ngx.DEBUG

nginx日志的一些级别常量，一般用在 ngx.log的api中

24.8 print

syntax: print(...)

context: init_by_lua*, init_worker_by_lua*, set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*, ngx.timer.*

这个API是采用ngx.NOTICE的日志级别将参数的值写入error.log文件中，等同于ngx.log(ngx.NOTICE,...)

24.9 ngx.ctx
context: init_worker_by_lua*, set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*, ngx.timer.*
ngx.ctx.xxx xxx是任意的一个变量名，ngx.ctx可以看成一个临时字典，作用域是每一个请求，也就是说不同的request是不同的ngx.ctx
如下面的例子

location /test {
        rewrite_by_lua '
            ngx.say("foo = ", ngx.ctx.foo)
            ngx.ctx.foo = 76
        ';
        access_by_lua '
            ngx.ctx.foo = ngx.ctx.foo + 3
        ';
        content_by_lua '
            ngx.say(ngx.ctx.foo)
        ';}

输出的结果是

    foo = nil
    79

这个ngx.ctx.foo的实例是贯穿在一个请求中rewrite、access还有content三个周期。
再看下面这个例子

location /sub {
        content_by_lua '
            ngx.say("sub pre: ", ngx.ctx.blah)
            ngx.ctx.blah = 32
            ngx.say("sub post: ", ngx.ctx.blah)
        ';}
 
    location /main {
        content_by_lua '
            ngx.ctx.blah = 73
            ngx.say("main pre: ", ngx.ctx.blah)
            local res = ngx.location.capture("/sub")
            ngx.print(res.body)
            ngx.say("main post: ", ngx.ctx.blah)
        ';}

结果是

    main pre: 73
    sub pre: nil
    sub post: 32
    main post: 73

ngx.location.capture是请求另外一个链接，所以可以看到，sub和main中的ngx.ctx是不同的实例。
另外在init_worker_by_lua的指令中，我们可以初始化ngx.ctx，通过字典的形式
ngx.ctx = {foo = 32,bar = 54}

24.10 ngx.location.capture

syntax: res = ngx.location.capture(uri, options?)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

通过这个api，lua可以访问本server的其他location，只能是同一个server的。用法如下

 res = ngx.location.capture(uri)

返回的是一个response对象，这个对象持有其他包括res.status、res.body以及res.header三个对象。
-capture函数除了url还有其他参数可以选择，包括
-method 设置访问的method类型
-body 设置访问子请求的httpbody内容
-args设置请求的参数

    ngx.location.capture('/foo?a=1',
        { args ={ b =3, c =':'}})

等价于下面的调用，都是传递请求参数

    ngx.location.capture('/foo?a=1&b=3&c=%3a')

-ctx 之前在ngx.ctx说的，在一个请求中独享一个ngx.ctx。但是在这里通过ctx，可以传入一个字典，然后通过子请求设置ngx.ctx的值，从而，我们在父请求中得到子请求ngx.ctx的值。

location /sub {
        content_by_lua '
            ngx.ctx.foo = "bar";
        ';}location /lua {
        content_by_lua '
            local ctx = {}
            res = ngx.location.capture("/sub", { ctx = ctx })
 
            ngx.say(ctx.foo);
            ngx.say(ngx.ctx.foo);
        ';}

结果如下,仅仅是设置ctx这个字典的值，而不是共享ngx.ctx

    bar
    nil

-vars 这个参数用来在父请求中设置nginx的变量值并向子请求传递，这个方法比通过url参数传递更加有效果。

location /other {
        content_by_lua '
            ngx.say("dog = ", ngx.var.dog)
            ngx.say("cat = ", ngx.var.cat)
        ';}
 
    location /lua {set$dog'';set$cat'';
        content_by_lua '
            res = ngx.location.capture("/other",
                { vars = { dog = "hello", cat = 32 }});
 
            ngx.print(res.body)
        ';}

结果如下

   dog = hello
    cat = 32

-copy_all_vars 拷贝父请求的nginx的变量给子请求

location /other {set$dog"$dog world";
        echo "$uri dog: $dog";}
 
    location /lua {set$dog'hello';
        content_by_lua '
            res = ngx.location.capture("/other",
                { copy_all_vars = true });
 
            ngx.print(res.body)
            ngx.say(ngx.var.uri, ": ", ngx.var.dog)
        ';}

结果如下

    /other dog: hello world
    /lua: hello

-share_all_vars 同享父请求和子请求的nginx的变量。

location /other {set$dog"$dog world";
        echo "$uri dog: $dog";}
 
    location /lua {set$dog'hello';
        content_by_lua '
            res = ngx.location.capture("/other",
                { share_all_vars = true });
 
            ngx.print(res.body)
            ngx.say(ngx.var.uri, ": ", ngx.var.dog)
        ';}

结果如下

    /other dog: hello world
    /lua: hello world

这个比copy_all_vars优先。
-always_forward_body 如果body属性没有设置，这个属性设置为true，那将发送父请求的httpbody给子请求。

24.11 ngx.location.capture_multi

syntax: res1, res2, ... = ngx.location.capture_multi({ {uri, options?}, {uri, options?}, ... })

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

类似于上面的ngx.location.capture ，不过支持并行请求多个子请求

 res1, res2, res3 = ngx.location.capture_multi{{"/foo", { args ="a=3&b=4"}},
        {"/bar"},
        {"/baz", { method = ngx.HTTP_POST, body ="hello"}},
    }
 
    if res1.status == ngx.HTTP_OK then
        ...
    end
 
    if res2.body =="BLAH"then
        ...
    end

-- construct the requests tablelocal reqs ={}table.insert(reqs, {"/mysql"})table.insert(reqs, {"/postgres"})table.insert(reqs, {"/redis"})table.insert(reqs, {"/memcached"})
 
    -- issue all the requests at once and wait until they all returnlocal resps ={ ngx.location.capture_multi(reqs)}
 
    -- loop over the responses tablefor i, resp inipairs(resps)do-- process the response table "resp"end

24.12 ngx.status
context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*
读取或者设置当前的请求响应状态，这个应该在发送内容给浏览器之前执行

    ngx.status = ngx.HTTP_CREATED
    status = ngx.status

24.13 ngx.header.HEADER

syntax: ngx.header.HEADER = VALUE

syntax: value = ngx.header.HEADER

context: rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*

获取或者设置http header的值

-- equivalent to ngx.header["Content-Type"] = 'text/plain'
    ngx.header.content_type ='text/plain';
 
    ngx.header["X-My-Header"]='blah blah';

多个值的可以像下面那样设置

    ngx.header['Set-Cookie']={'a=32; path=/', 'b=4; path=/'}

    Set-Cookie: a=32; path=/
    Set-Cookie: b=4; path=/

特别是在header_filter_by_lua有效果，如

location /test {set$footer'';
 
        proxy_passhttp://some-backend;
 
        header_filter_by_lua '
            if ngx.header["X-My-Header"] == "blah" then
                ngx.var.footer = "some value"
            end
        ';
 
        echo_after_body $footer;}

24.14 ngx.resp.get_headers

syntax: headers = ngx.resp.get_headers(max_headers?, raw?)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*

local h = ngx.resp.get_headers()for k, v inpairs(h)do
    ...
end

在lua中得到http请求的响应头，以字典的形式

24.15 ngx.req.start_time

syntax: secs = ngx.req.start_time()

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*

local request_time = ngx.now() - ngx.req.start_time()

用来获取此次请求发起的时候的时间，用来模拟$request_time。

24.16 ngx.req.http_version

syntax: num = ngx.req.http_version()

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*

获取请求的http version

24.17 ngx.req.raw_header

syntax: str = ngx.req.raw_header(no_request_line?)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*

得到原http header的字符串文本内容

  ngx.print(ngx.req.raw_header())

结果是

    GET /t HTTP/1.1
    Host: localhost
    Connection: close
    Foo: bar

24.18 ngx.req.get_method

syntax: method_name = ngx.req.get_method()

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*

获得当前请求的method 名字

24.19 ngx.req.set_method

syntax: ngx.req.set_method(method_id)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*

设置覆盖此次请求的method名字

24.20 ngx.req.set_uri

syntax: ngx.req.set_uri(uri, jump?)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*

作用与rewrite相同，其中jump默认为false，false的时候

  ngx.req.set_uri("/foo", false)

结果是

rewrite ^ /foo break;

如果jump为true，那就是

ngx.req.set_uri("/foo", true)

结果是

rewrite ^ /foo last;

24.21 ngx.req.set_uri_args

syntax: ngx.req.set_uri_args(args)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*

rewrite当前的请求参数

ngx.req.set_uri_args("a=3&b=hello%20world")

或者

ngx.req.set_uri_args({ a =3, b ="hello world"})

24.22 ngx.req.get_uri_args

syntax: args = ngx.req.get_uri_args(max_args?)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*

获得请求的参数

location= /test {
        content_by_lua '
            local args = ngx.req.get_uri_args()
            for key, val in pairs(args) do
                if type(val) == "table" then
                    ngx.say(key, ": ", table.concat(val, ", "))
                else
                    ngx.say(key, ": ", val)
                end
            end
        ';}

当访问的是 GET /test?foo=bar&bar=baz&bar=blah 结果就是

   foo: bar
    bar: baz, blah

24.23 ngx.req.get_post_args

syntax: args, err = ngx.req.get_post_args(max_args?)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*

得到post提交的参数

location= /test {
        content_by_lua '
            ngx.req.read_body()
            local args, err = ngx.req.get_post_args()
            if not args then
                ngx.say("failed to get post args: ", err)
                return
            end
            for key, val in pairs(args) do
                if type(val) == "table" then
                    ngx.say(key, ": ", table.concat(val, ", "))
                else
                    ngx.say(key, ": ", val)
                end
            end
        ';}

当我们用curl提交参数时

# Post request with the body 'foo=bar&bar=baz&bar=blah'
    $ curl --data'foo=bar&bar=baz&bar=blah' localhost/test

结果是

    foo: bar
    bar: baz, blah

24.24 ngx.req.get_headers

syntax: headers = ngx.req.get_headers(max_headers?, raw?)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua, log_by_lua*

获取当前请求的头信息

local h = ngx.req.get_headers()for k, v inpairs(h)do
        ...
    end

    ngx.say("Host: ", ngx.req.get_headers()["Host"])

24.25 ngx.req.set_header

syntax: ngx.req.set_header(header_name, header_value)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua

设置当前的请求头

 ngx.req.set_header("Content-Type", "text/css")

  ngx.req.set_header("Foo", {"a", "abc"})

24.26 ngx.req.clear_header

syntax: ngx.req.clear_header(header_name)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*

清除某一个请求头

24.27 ngx.req.read_body

syntax: ngx.req.read_body()

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

在不阻塞nginx事件轮询的情况下读取客户端请求的body

    ngx.req.read_body()local args = ngx.req.get_post_args()

24.28 ngx.req.discard_body

syntax: ngx.req.discard_body()

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

明确丢弃客户端请求body

24.29 ngx.req.get_body_data

syntax: data = ngx.req.get_body_data()

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

以字符串的形式获得客户端的请求body内容

24.30 ngx.req.get_body_file

syntax: file_name = ngx.req.get_body_file()

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

当发送文件请求的时候，获得文件的名字

24.31 ngx.req.set_body_data

syntax: ngx.req.set_body_data(data)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

设置客户端请求的body

24.32 ngx.req.set_body_file

syntax: ngx.req.set_body_data(data)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

通过filename来指定当前请求的file data。

24.33 ngx.req.init_body

syntax: ngx.req.init_body(buffer_size?)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*

创建一个当前请求的空白body的buffer，后续可以自己写入请求的body。

  ngx.req.init_body(128*1024)-- buffer is 128KBfor chunk in next_data_chunk()    do
        ngx.req.append_body(chunk)-- each chunk can be 4KBend
    ngx.req.finish_body()

24.34 ngx.req.append_body

syntax: ngx.req.append_body(data_chunk)

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*

追加当前请求的http body

24.35 ngx.req.finish_body

syntax: ngx.req.finish_body()

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*

标志完成ngx.req.init_body的数据追加。

24.36 ngx.req.socket

syntax: tcpsock, err = ngx.req.socket()

syntax: tcpsock, err = ngx.req.socket(raw)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

这个方法会返回一个只读的cosocket对象，用来读取当前请求的request http body内容。

24.37 ngx.exec

syntax: ngx.exec(uri, args?)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

执行内部跳转根据url和请求参数

   ngx.exec('/some-location');
    ngx.exec('/some-location', 'a=3&b=5&c=6');
    ngx.exec('/some-location?a=3&b=5', 'c=6');

location /foo {
        content_by_lua '
            ngx.exec("@bar", "a=goodbye");
        ';}
 
    location@bar{
        content_by_lua '
            local args = ngx.req.get_uri_args()
            for key, val in pairs(args) do
                if key == "a" then
                    ngx.say(val)
                end
            end
        ';}

24.38 ngx.redirect

syntax: ngx.redirect(uri, status?)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

执行301或者302的重定向。

24.39 ngx.send_headers

syntax: ok, err = ngx.send_headers()

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

指定响应头。

24.40 ngx.headers_sent

syntax: value = ngx.headers_sent

context: set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*

判断头部是否发送给客户端了。

24.41 ngx.print

syntax: ok, err = ngx.print(...)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

发送数据给客户端响应页面

localtable={"hello, ",
        {"world: ", true, " or ", false,
            {": ", nil}}}
    ngx.print(table)

24.42 ngx.say

syntax: ok, err = ngx.say(...)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

作用类似于ngx.print

24.43 ngx.log

syntax: ngx.log(log_level, ...)

context: init_by_lua*, init_worker_by_lua*, set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*, ngx.timer.*

向error.log中记录日志

24.44 ngx.flush

syntax: ok, err = ngx.flush(wait?)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

将flush内容到客户端页面

24.45 ngx.exit

syntax: ngx.exit(status)

context: rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, ngx.timer.*

    ngx.status = ngx.HTTP_GONE
    ngx.say("This is our own content")-- to cause quit the whole request rather than the current phase handler
    ngx.exit(ngx.HTTP_OK)

当status>=200的时候，直接停止当前请求的后续操作，并且返回状态码
当status==0的时候，跳过此次代码片段，并且继续执行下面的。

24.46 ngx.eof

syntax: ok, err = ngx.eof()

context: rewrite_by_lua*, access_by_lua*, content_by_lua*

location= /async {keepalive_timeout0;
        content_by_lua '
            ngx.say("got the task!")
            ngx.eof()  -- a descent HTTP client will close the connection at this point
            -- access MySQL, PostgreSQL, Redis, Memcached, and etc here...
        ';}

明确指定关闭结束输出流。

24.47 ngx.sleep

24.48 ngx.escape_uri

24.49 ngx.unescape_uri

24.50 ngx.encode_args

24.51 ngx.decode_args

24.52 ngx.encode_base64

24.53 ngx.decode_base64

24.54 ngx.crc32_short

24.55 ngx.crc32_long

24.56 ngx.hmac_sha1

24.57 ngx.md5

24.58 ngx.md5_bin

24.59 ngx.sha1_bin

24.60 ngx.quote_sql_str

24.61 ngx.today

24.62 ngx.time

24.63 ngx.now

24.64 ngx.update_time

24.65 ngx.localtime

24.66 ngx.utctime

24.67 ngx.cookie_time

24.68 ngx.http_time

24.69 ngx.parse_http_time

24.70 ngx.is_subrequest

24.71 ngx.re.match

24.72 ngx.re.find

24.73 ngx.re.gmatch

24.74 ngx.re.sub

24.75 ngx.re.gsub

24.76 ngx.shared.DICT

24.77 ngx.shared.DICT.get

24.78 ngx.shared.DICT.get_stale

24.79 ngx.shared.DICT.set

24.80 ngx.shared.DICT.safe_set

24.81 ngx.shared.DICT.add

24.82 ngx.shared.DICT.safe_add

24.83 ngx.shared.DICT.replace

24.84 ngx.shared.DICT.delete

24.85 ngx.shared.DICT.incr

24.86 ngx.shared.DICT.flush_all

24.87 ngx.shared.DICT.flush_expired

24.88 ngx.shared.DICT.get_keys

24.89 ngx.socket.udp

24.90 udpsock:setpeername

24.91 udpsock:send

24.92 udpsock:receive

24.93 udpsock:close

24.94 udpsock:settimeout

24.95 ngx.socket.tcp

24.96 tcpsock:connect

24.97 tcpsock:sslhandshake

24.98 tcpsock:send

24.99 tcpsock:receive

24.100 tcpsock:receiveuntil

24.101 tcpsock:close

24.102 tcpsock:settimeout

24.103 tcpsock:setoption

24.104 tcpsock:setkeepalive

24.105 tcpsock:getreusedtimes

24.106 ngx.socket.connect

24.107 ngx.get_phase

24.108 ngx.thread.spawn

24.109 ngx.thread.wait

24.110 ngx.thread.kill

24.111 ngx.on_abort

24.112 ngx.timer.at

24.113 ngx.config.debug

24.114 ngx.config.prefix

24.115 ngx.config.nginx_version

24.116 ngx.config.nginx_configure

24.117 ngx.config.ngx_lua_version

24.118 ngx.worker.exiting

24.119 ngx.worker.pid

24.120 ndk.set_var.DIRECTIVE

24.121 coroutine.create

24.122 coroutine.resume

24.123 coroutine.yield

24.124 coroutine.wrap

24.125 coroutine.running

24.126 coroutine.status

以上就介绍了nginx lua api翻译，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。

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