ngx_lua模块的原理:
1、每个worker(工作进程)创建一个Lua VM,worker内所有协程共享VM; 2、将Nginx I/O原语封装后注入 Lua VM,允许Lua代码直接访问; 3、每个外部请求都由一个Lua协程处理,协程之间数据隔离; 4、Lua代码调用I/O操作等异步接口时,会挂起当前协程(并保护上下文数据),而不阻塞worker; 5、I/O等异步操作完成时还原相关协程上下文数据,并继续运行;
ngx_lua 模块提供的指令和API等:
指令名称 |
说明 |
lua_use_default_type |
是否使用default_type指令定义的Content-Type默认值 |
lua_code_cache |
*_by_lua_file文件是否cache |
lua_regex_cache_max_entries |
|
lua_regex_match_limit |
|
lua_package_path |
用Lua写的lua外部库路径(.lua文件) |
lua_package_cpath |
用C写的lua外部库路径(.so文件) |
init_by_lua |
master进程启动时挂载的lua代码 |
init_by_lua_file |
|
init_worker_by_lua |
worker进程启动时挂载的lua代码,常用来执行一些定时器任务 |
init_worker_by_lua_file |
|
set_by_lua |
设置变量 |
set_by_lua_file |
|
content_by_lua |
handler模块 |
content_by_lua_file |
|
rewrite_by_lua |
|
rewrite_by_lua_file |
|
access_by_lua |
|
access_by_lua_file |
|
header_filter_by_lua |
header filter模块 |
header_filter_by_lua_file |
|
body_filter_by_lua |
body filter模块,ngx.arg[1]代表输入的chunk,ngx.arg[2]代表当前chunk是否为last |
body_filter_by_lua_file |
|
log_by_lua |
|
log_by_lua_file |
|
lua_need_request_body |
是否读请求体,跟ngx.req.read_body()函数作用类似 |
lua_shared_dict |
创建全局共享的table(多个worker进程共享) |
lua_socket_connect_timeout |
TCP/unix 域socket对象connect方法的超时时间 |
lua_socket_send_timeout |
TCP/unix 域socket对象send方法的超时时间 |
lua_socket_send_lowat |
设置cosocket send buffer的low water值 |
lua_socket_read_timeout |
TCP/unix 域socket对象receive方法的超时时间 |
lua_socket_buffer_size |
cosocket读buffer大小 |
lua_socket_pool_size |
cosocket连接池大小 |
lua_socket_keepalive_timeout |
cosocket长连接超时时间 |
lua_socket_log_errors |
是否打开cosocket错误日志 |
lua_ssl_ciphers |
|
lua_ssl_crl |
|
lua_ssl_protocols |
|
lua_ssl_trusted_certificate |
|
lua_ssl_verify_depth |
|
lua_http10_buffering |
|
rewrite_by_lua_no_postpone |
|
lua_transform_underscores_in_response_headers |
|
lua_check_client_abort |
是否监视client提前关闭请求的事件,如果打开监视,会调用ngx.on_abort()注册的回调 |
lua_max_pending_timers |
|
lua_max_running_timers |
|
table |
说明 |
ngx.arg |
指令参数,如跟在content_by_lua_file后面的参数 |
ngx.var |
变量,ngx.var.VARIABLE引用某个变量 |
ngx.ctx |
请求的lua上下文 |
ngx.header |
响应头,ngx.header.HEADER引用某个头 |
ngx.status |
响应码 |
|
|
API |
说明 |
ngx.log |
输出到error.log |
print |
等价于 ngx.log(ngx.NOTICE, ...) |
ngx.send_headers |
发送响应头 |
ngx.headers_sent |
响应头是否已发送 |
ngx.resp.get_headers |
获取响应头 |
ngx.timer.at |
注册定时器事件 |
ngx.is_subrequest |
当前请求是否是子请求 |
ngx.location.capture |
发布一个子请求 |
ngx.location.capture_multi |
发布多个子请求 |
ngx.exec |
|
ngx.redirect |
|
ngx.print |
输出响应 |
ngx.say |
输出响应,自动添加'\n' |
ngx.flush |
刷新响应 |
ngx.exit |
结束请求 |
ngx.eof |
|
ngx.sleep |
无阻塞的休眠(使用定时器实现) |
ngx.get_phase |
|
ngx.on_abort |
注册client断开请求时的回调函数 |
ndk.set_var.DIRECTIVE |
|
ngx.req.start_time |
请求的开始时间 |
ngx.req.http_version |
请求的HTTP版本号 |
ngx.req.raw_header |
请求头(包括请求行) |
ngx.req.get_method |
请求方法 |
ngx.req.set_method |
请求方法重载 |
ngx.req.set_uri |
请求URL重写 |
ngx.req.set_uri_args |
|
ngx.req.get_uri_args |
获取请求参数 |
ngx.req.get_post_args |
获取请求表单 |
ngx.req.get_headers |
获取请求头 |
ngx.req.set_header |
|
ngx.req.clear_header |
|
ngx.req.read_body |
读取请求体 |
ngx.req.discard_body |
扔掉请求体 |
ngx.req.get_body_data |
|
ngx.req.get_body_file |
|
ngx.req.set_body_data |
|
ngx.req.set_body_file |
|
ngx.req.init_body |
|
ngx.req.append_body |
|
ngx.req.finish_body |
|
ngx.req.socket |
|
ngx.escape_uri |
字符串的url编码 |
ngx.unescape_uri |
字符串url解码 |
ngx.encode_args |
将table编码为一个参数字符串 |
ngx.decode_args |
将参数字符串编码为一个table |
ngx.encode_base64 |
字符串的base64编码 |
ngx.decode_base64 |
字符串的base64解码 |
ngx.crc32_short |
字符串的crs32_short哈希 |
ngx.crc32_long |
字符串的crs32_long哈希 |
ngx.hmac_sha1 |
字符串的hmac_sha1哈希 |
ngx.md5 |
返回16进制MD5 |
ngx.md5_bin |
返回2进制MD5 |
ngx.sha1_bin |
返回2进制sha1哈希值 |
ngx.quote_sql_str |
SQL语句转义 |
ngx.today |
返回当前日期 |
ngx.time |
返回UNIX时间戳 |
ngx.now |
返回当前时间 |
ngx.update_time |
刷新时间后再返回 |
ngx.localtime |
|
ngx.utctime |
|
ngx.cookie_time |
返回的时间可用于cookie值 |
ngx.http_time |
返回的时间可用于HTTP头 |
ngx.parse_http_time |
解析HTTP头的时间 |
ngx.re.match |
|
ngx.re.find |
|
ngx.re.gmatch |
|
ngx.re.sub |
|
ngx.re.gsub |
|
ngx.shared.DICT |
|
ngx.shared.DICT.get |
|
ngx.shared.DICT.get_stale |
|
ngx.shared.DICT.set |
|
ngx.shared.DICT.safe_set |
|
ngx.shared.DICT.add |
|
ngx.shared.DICT.safe_add |
|
ngx.shared.DICT.replace |
|
ngx.shared.DICT.delete |
|
ngx.shared.DICT.incr |
|
ngx.shared.DICT.flush_all |
|
ngx.shared.DICT.flush_expired |
|
ngx.shared.DICT.get_keys |
|
ngx.socket.udp |
|
udpsock:setpeername |
|
udpsock:send |
|
udpsock:receive |
|
udpsock:close |
|
udpsock:settimeout |
|
ngx.socket.tcp |
|
tcpsock:connect |
|
tcpsock:sslhandshake |
|
tcpsock:send |
|
tcpsock:receive |
|
tcpsock:receiveuntil |
|
tcpsock:close |
|
tcpsock:settimeout |
|
tcpsock:setoption |
|
tcpsock:setkeepalive |
|
tcpsock:getreusedtimes |
|
ngx.socket.connect |
|
ngx.thread.spawn |
|
ngx.thread.wait |
|
ngx.thread.kill |
|
coroutine.create |
|
coroutine.resume |
|
coroutine.yield |
|
coroutine.wrap |
|
coroutine.running |
|
coroutine.status |
|
ngx.config.debug |
编译时是否有 --with-debug选项 |
ngx.config.prefix |
编译时的 --prefix选项 |
ngx.config.nginx_version |
返回nginx版本号 |
ngx.config.nginx_configure |
返回编译时 ./configure的命令行选项 |
ngx.config.ngx_lua_version |
返回ngx_lua模块版本号 |
ngx.worker.exiting |
当前worker进程是否正在关闭(如reload、shutdown期间) |
ngx.worker.pid |
返回当前worker进程的pid |
|
|
|
|
|
|
常量 |
说明 |
Core constants |
ngx.OK (0) ngx.ERROR (-1) ngx.AGAIN (-2) ngx.DONE (-4) ngx.DECLINED (-5) ngx.nil |
HTTP method constants |
ngx.HTTP_GET ngx.HTTP_HEAD ngx.HTTP_PUT ngx.HTTP_POST ngx.HTTP_DELETE ngx.HTTP_OPTIONS ngx.HTTP_MKCOL ngx.HTTP_COPY ngx.HTTP_MOVE ngx.HTTP_PROPFIND ngx.HTTP_PROPPATCH ngx.HTTP_LOCK ngx.HTTP_UNLOCK ngx.HTTP_PATCH ngx.HTTP_TRACE |
HTTP status constants |
ngx.HTTP_OK (200) ngx.HTTP_CREATED (201) ngx.HTTP_SPECIAL_RESPONSE (300) ngx.HTTP_MOVED_PERMANENTLY (301) ngx.HTTP_MOVED_TEMPORARILY (302) ngx.HTTP_SEE_OTHER (303) ngx.HTTP_NOT_MODIFIED (304) ngx.HTTP_BAD_REQUEST (400) ngx.HTTP_UNAUTHORIZED (401) ngx.HTTP_FORBIDDEN (403) ngx.HTTP_NOT_FOUND (404) ngx.HTTP_NOT_ALLOWED (405) ngx.HTTP_GONE (410) ngx.HTTP_INTERNAL_SERVER_ERROR (500) ngx.HTTP_METHOD_NOT_IMPLEMENTED (501) ngx.HTTP_SERVICE_UNAVAILABLE (503) ngx.HTTP_GATEWAY_TIMEOUT (504) |
Nginx log level constants |
ngx.STDERR ngx.EMERG ngx.ALERT ngx.CRIT ngx.ERR ngx.WARN ngx.NOTICE ngx.INFO ngx.DEBUG
|
ngx_lua模块的原理:
1、每个worker(工作进程)创建一个Lua VM,worker内所有协程共享VM; 2、将Nginx I/O原语封装后注入 Lua VM,允许Lua代码直接访问; 3、每个外部请求都由一个Lua协程处理,协程之间数据隔离; 4、Lua代码调用I/O操作等异步接口时,会挂起当前协程(并保护上下文数据),而不阻塞worker; 5、I/O等异步操作完成时还原相关协程上下文数据,并继续运行;
ngx_lua 模块提供的指令和API等:
指令名称 |
说明 |
lua_use_default_type |
是否使用default_type指令定义的Content-Type默认值 |
lua_code_cache |
*_by_lua_file文件是否cache |
lua_regex_cache_max_entries |
|
lua_regex_match_limit |
|
lua_package_path |
用Lua写的lua外部库路径(.lua文件) |
lua_package_cpath |
用C写的lua外部库路径(.so文件) |
init_by_lua |
master进程启动时挂载的lua代码 |
init_by_lua_file |
|
init_worker_by_lua |
worker进程启动时挂载的lua代码,常用来执行一些定时器任务 |
init_worker_by_lua_file |
|
set_by_lua |
设置变量 |
set_by_lua_file |
|
content_by_lua |
handler模块 |
content_by_lua_file |
|
rewrite_by_lua |
|
rewrite_by_lua_file |
|
access_by_lua |
|
access_by_lua_file |
|
header_filter_by_lua |
header filter模块 |
header_filter_by_lua_file |
|
body_filter_by_lua |
body filter模块,ngx.arg[1]代表输入的chunk,ngx.arg[2]代表当前chunk是否为last |
body_filter_by_lua_file |
|
log_by_lua |
|
log_by_lua_file |
|
lua_need_request_body |
是否读请求体,跟ngx.req.read_body()函数作用类似 |
lua_shared_dict |
创建全局共享的table(多个worker进程共享) |
lua_socket_connect_timeout |
TCP/unix 域socket对象connect方法的超时时间 |
lua_socket_send_timeout |
TCP/unix 域socket对象send方法的超时时间 |
lua_socket_send_lowat |
设置cosocket send buffer的low water值 |
lua_socket_read_timeout |
TCP/unix 域socket对象receive方法的超时时间 |
lua_socket_buffer_size |
cosocket读buffer大小 |
lua_socket_pool_size |
cosocket连接池大小 |
lua_socket_keepalive_timeout |
cosocket长连接超时时间 |
lua_socket_log_errors |
是否打开cosocket错误日志 |
lua_ssl_ciphers |
|
lua_ssl_crl |
|
lua_ssl_protocols |
|
lua_ssl_trusted_certificate |
|
lua_ssl_verify_depth |
|
lua_http10_buffering |
|
rewrite_by_lua_no_postpone |
|
lua_transform_underscores_in_response_headers |
|
lua_check_client_abort |
是否监视client提前关闭请求的事件,如果打开监视,会调用ngx.on_abort()注册的回调 |
lua_max_pending_timers |
|
lua_max_running_timers |
|
table |
说明 |
ngx.arg |
指令参数,如跟在content_by_lua_file后面的参数 |
ngx.var |
变量,ngx.var.VARIABLE引用某个变量 |
ngx.ctx |
请求的lua上下文 |
ngx.header |
响应头,ngx.header.HEADER引用某个头 |
ngx.status |
响应码 |
|
|
API |
说明 |
ngx.log |
输出到error.log |
print |
等价于 ngx.log(ngx.NOTICE, ...) |
ngx.send_headers |
发送响应头 |
ngx.headers_sent |
响应头是否已发送 |
ngx.resp.get_headers |
获取响应头 |
ngx.timer.at |
注册定时器事件 |
ngx.is_subrequest |
当前请求是否是子请求 |
ngx.location.capture |
发布一个子请求 |
ngx.location.capture_multi |
发布多个子请求 |
ngx.exec |
|
ngx.redirect |
|
ngx.print |
输出响应 |
ngx.say |
输出响应,自动添加'\n' |
ngx.flush |
刷新响应 |
ngx.exit |
结束请求 |
ngx.eof |
|
ngx.sleep |
无阻塞的休眠(使用定时器实现) |
ngx.get_phase |
|
ngx.on_abort |
注册client断开请求时的回调函数 |
ndk.set_var.DIRECTIVE |
|
ngx.req.start_time |
请求的开始时间 |
ngx.req.http_version |
请求的HTTP版本号 |
ngx.req.raw_header |
请求头(包括请求行) |
ngx.req.get_method |
请求方法 |
ngx.req.set_method |
请求方法重载 |
ngx.req.set_uri |
请求URL重写 |
ngx.req.set_uri_args |
|
ngx.req.get_uri_args |
获取请求参数 |
ngx.req.get_post_args |
获取请求表单 |
ngx.req.get_headers |
获取请求头 |
ngx.req.set_header |
|
ngx.req.clear_header |
|
ngx.req.read_body |
读取请求体 |
ngx.req.discard_body |
扔掉请求体 |
ngx.req.get_body_data |
|
ngx.req.get_body_file |
|
ngx.req.set_body_data |
|
ngx.req.set_body_file |
|
ngx.req.init_body |
|
ngx.req.append_body |
|
ngx.req.finish_body |
|
ngx.req.socket |
|
ngx.escape_uri |
字符串的url编码 |
ngx.unescape_uri |
字符串url解码 |
ngx.encode_args |
将table编码为一个参数字符串 |
ngx.decode_args |
将参数字符串编码为一个table |
ngx.encode_base64 |
字符串的base64编码 |
ngx.decode_base64 |
字符串的base64解码 |
ngx.crc32_short |
字符串的crs32_short哈希 |
ngx.crc32_long |
字符串的crs32_long哈希 |
ngx.hmac_sha1 |
字符串的hmac_sha1哈希 |
ngx.md5 |
返回16进制MD5 |
ngx.md5_bin |
返回2进制MD5 |
ngx.sha1_bin |
返回2进制sha1哈希值 |
ngx.quote_sql_str |
SQL语句转义 |
ngx.today |
返回当前日期 |
ngx.time |
返回UNIX时间戳 |
ngx.now |
返回当前时间 |
ngx.update_time |
刷新时间后再返回 |
ngx.localtime |
|
ngx.utctime |
|
ngx.cookie_time |
返回的时间可用于cookie值 |
ngx.http_time |
返回的时间可用于HTTP头 |
ngx.parse_http_time |
解析HTTP头的时间 |
ngx.re.match |
|
ngx.re.find |
|
ngx.re.gmatch |
|
ngx.re.sub |
|
ngx.re.gsub |
|
ngx.shared.DICT |
|
ngx.shared.DICT.get |
|
ngx.shared.DICT.get_stale |
|
ngx.shared.DICT.set |
|
ngx.shared.DICT.safe_set |
|
ngx.shared.DICT.add |
|
ngx.shared.DICT.safe_add |
|
ngx.shared.DICT.replace |
|
ngx.shared.DICT.delete |
|
ngx.shared.DICT.incr |
|
ngx.shared.DICT.flush_all |
|
ngx.shared.DICT.flush_expired |
|
ngx.shared.DICT.get_keys |
|
ngx.socket.udp |
|
udpsock:setpeername |
|
udpsock:send |
|
udpsock:receive |
|
udpsock:close |
|
udpsock:settimeout |
|
ngx.socket.tcp |
|
tcpsock:connect |
|
tcpsock:sslhandshake |
|
tcpsock:send |
|
tcpsock:receive |
|
tcpsock:receiveuntil |
|
tcpsock:close |
|
tcpsock:settimeout |
|
tcpsock:setoption |
|
tcpsock:setkeepalive |
|
tcpsock:getreusedtimes |
|
ngx.socket.connect |
|
ngx.thread.spawn |
|
ngx.thread.wait |
|
ngx.thread.kill |
|
coroutine.create |
|
coroutine.resume |
|
coroutine.yield |
|
coroutine.wrap |
|
coroutine.running |
|
coroutine.status |
|
ngx.config.debug |
编译时是否有 --with-debug选项 |
ngx.config.prefix |
编译时的 --prefix选项 |
ngx.config.nginx_version |
返回nginx版本号 |
ngx.config.nginx_configure |
返回编译时 ./configure的命令行选项 |
ngx.config.ngx_lua_version |
返回ngx_lua模块版本号 |
ngx.worker.exiting |
当前worker进程是否正在关闭(如reload、shutdown期间) |
ngx.worker.pid |
返回当前worker进程的pid |
|
|
|
|
|
|
常量 |
说明 |
Core constants |
ngx.OK (0) ngx.ERROR (-1) ngx.AGAIN (-2) ngx.DONE (-4) ngx.DECLINED (-5) ngx.nil |
HTTP method constants |
ngx.HTTP_GET ngx.HTTP_HEAD ngx.HTTP_PUT ngx.HTTP_POST ngx.HTTP_DELETE ngx.HTTP_OPTIONS ngx.HTTP_MKCOL ngx.HTTP_COPY ngx.HTTP_MOVE ngx.HTTP_PROPFIND ngx.HTTP_PROPPATCH ngx.HTTP_LOCK ngx.HTTP_UNLOCK ngx.HTTP_PATCH ngx.HTTP_TRACE |
HTTP status constants |
ngx.HTTP_OK (200) ngx.HTTP_CREATED (201) ngx.HTTP_SPECIAL_RESPONSE (300) ngx.HTTP_MOVED_PERMANENTLY (301) ngx.HTTP_MOVED_TEMPORARILY (302) ngx.HTTP_SEE_OTHER (303) ngx.HTTP_NOT_MODIFIED (304) ngx.HTTP_BAD_REQUEST (400) ngx.HTTP_UNAUTHORIZED (401) ngx.HTTP_FORBIDDEN (403) ngx.HTTP_NOT_FOUND (404) ngx.HTTP_NOT_ALLOWED (405) ngx.HTTP_GONE (410) ngx.HTTP_INTERNAL_SERVER_ERROR (500) ngx.HTTP_METHOD_NOT_IMPLEMENTED (501) ngx.HTTP_SERVICE_UNAVAILABLE (503) ngx.HTTP_GATEWAY_TIMEOUT (504) |
Nginx log level constants |
ngx.STDERR ngx.EMERG ngx.ALERT ngx.CRIT ngx.ERR ngx.WARN ngx.NOTICE ngx.INFO ngx.DEBUG
|
ngx_lua模块的原理:
1、每个worker(工作进程)创建一个Lua VM,worker内所有协程共享VM; 2、将Nginx I/O原语封装后注入 Lua VM,允许Lua代码直接访问; 3、每个外部请求都由一个Lua协程处理,协程之间数据隔离; 4、Lua代码调用I/O操作等异步接口时,会挂起当前协程(并保护上下文数据),而不阻塞worker; 5、I/O等异步操作完成时还原相关协程上下文数据,并继续运行;
ngx_lua 模块提供的指令和API等:
指令名称 |
说明 |
lua_use_default_type |
是否使用default_type指令定义的Content-Type默认值 |
lua_code_cache |
*_by_lua_file文件是否cache |
lua_regex_cache_max_entries |
|
lua_regex_match_limit |
|
lua_package_path |
用Lua写的lua外部库路径(.lua文件) |
lua_package_cpath |
用C写的lua外部库路径(.so文件) |
init_by_lua |
master进程启动时挂载的lua代码 |
init_by_lua_file |
|
init_worker_by_lua |
worker进程启动时挂载的lua代码,常用来执行一些定时器任务 |
init_worker_by_lua_file |
|
set_by_lua |
设置变量 |
set_by_lua_file |
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content_by_lua |
handler模块 |
content_by_lua_file |
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rewrite_by_lua |
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rewrite_by_lua_file |
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access_by_lua |
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access_by_lua_file |
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header_filter_by_lua |
header filter模块 |
header_filter_by_lua_file |
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body_filter_by_lua |
body filter模块,ngx.arg[1]代表输入的chunk,ngx.arg[2]代表当前chunk是否为last |
body_filter_by_lua_file |
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log_by_lua |
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log_by_lua_file |
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lua_need_request_body |
是否读请求体,跟ngx.req.read_body()函数作用类似 |
lua_shared_dict |
创建全局共享的table(多个worker进程共享) |
lua_socket_connect_timeout |
TCP/unix 域socket对象connect方法的超时时间 |
lua_socket_send_timeout |
TCP/unix 域socket对象send方法的超时时间 |
lua_socket_send_lowat |
设置cosocket send buffer的low water值 |
lua_socket_read_timeout |
TCP/unix 域socket对象receive方法的超时时间 |
lua_socket_buffer_size |
cosocket读buffer大小 |
lua_socket_pool_size |
cosocket连接池大小 |
lua_socket_keepalive_timeout |
cosocket长连接超时时间 |
lua_socket_log_errors |
是否打开cosocket错误日志 |
lua_ssl_ciphers |
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lua_ssl_crl |
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lua_ssl_protocols |
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lua_ssl_trusted_certificate |
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lua_ssl_verify_depth |
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lua_http10_buffering |
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rewrite_by_lua_no_postpone |
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lua_transform_underscores_in_response_headers |
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lua_check_client_abort |
是否监视client提前关闭请求的事件,如果打开监视,会调用ngx.on_abort()注册的回调 |
lua_max_pending_timers |
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lua_max_running_timers |
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table |
说明 |
ngx.arg |
指令参数,如跟在content_by_lua_file后面的参数 |
ngx.var |
变量,ngx.var.VARIABLE引用某个变量 |
ngx.ctx |
请求的lua上下文 |
ngx.header |
响应头,ngx.header.HEADER引用某个头 |
ngx.status |
响应码 |
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API |
说明 |
ngx.log |
输出到error.log |
print |
等价于 ngx.log(ngx.NOTICE, ...) |
ngx.send_headers |
发送响应头 |
ngx.headers_sent |
响应头是否已发送 |
ngx.resp.get_headers |
获取响应头 |
ngx.timer.at |
注册定时器事件 |
ngx.is_subrequest |
当前请求是否是子请求 |
ngx.location.capture |
发布一个子请求 |
ngx.location.capture_multi |
发布多个子请求 |
ngx.exec |
|
ngx.redirect |
|
ngx.print |
输出响应 |
ngx.say |
输出响应,自动添加'\n' |
ngx.flush |
刷新响应 |
ngx.exit |
结束请求 |
ngx.eof |
|
ngx.sleep |
无阻塞的休眠(使用定时器实现) |
ngx.get_phase |
|
ngx.on_abort |
注册client断开请求时的回调函数 |
ndk.set_var.DIRECTIVE |
|
ngx.req.start_time |
请求的开始时间 |
ngx.req.http_version |
请求的HTTP版本号 |
ngx.req.raw_header |
请求头(包括请求行) |
ngx.req.get_method |
请求方法 |
ngx.req.set_method |
请求方法重载 |
ngx.req.set_uri |
请求URL重写 |
ngx.req.set_uri_args |
|
ngx.req.get_uri_args |
获取请求参数 |
ngx.req.get_post_args |
获取请求表单 |
ngx.req.get_headers |
获取请求头 |
ngx.req.set_header |
|
ngx.req.clear_header |
|
ngx.req.read_body |
读取请求体 |
ngx.req.discard_body |
扔掉请求体 |
ngx.req.get_body_data |
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ngx.req.get_body_file |
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ngx.req.set_body_data |
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ngx.req.set_body_file |
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ngx.req.init_body |
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ngx.req.append_body |
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ngx.req.finish_body |
|
ngx.req.socket |
|
ngx.escape_uri |
字符串的url编码 |
ngx.unescape_uri |
字符串url解码 |
ngx.encode_args |
将table编码为一个参数字符串 |
ngx.decode_args |
将参数字符串编码为一个table |
ngx.encode_base64 |
字符串的base64编码 |
ngx.decode_base64 |
字符串的base64解码 |
ngx.crc32_short |
字符串的crs32_short哈希 |
ngx.crc32_long |
字符串的crs32_long哈希 |
ngx.hmac_sha1 |
字符串的hmac_sha1哈希 |
ngx.md5 |
返回16进制MD5 |
ngx.md5_bin |
返回2进制MD5 |
ngx.sha1_bin |
返回2进制sha1哈希值 |
ngx.quote_sql_str |
SQL语句转义 |
ngx.today |
返回当前日期 |
ngx.time |
返回UNIX时间戳 |
ngx.now |
返回当前时间 |
ngx.update_time |
刷新时间后再返回 |
ngx.localtime |
|
ngx.utctime |
|
ngx.cookie_time |
返回的时间可用于cookie值 |
ngx.http_time |
返回的时间可用于HTTP头 |
ngx.parse_http_time |
解析HTTP头的时间 |
ngx.re.match |
|
ngx.re.find |
|
ngx.re.gmatch |
|
ngx.re.sub |
|
ngx.re.gsub |
|
ngx.shared.DICT |
|
ngx.shared.DICT.get |
|
ngx.shared.DICT.get_stale |
|
ngx.shared.DICT.set |
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ngx.shared.DICT.safe_set |
|
ngx.shared.DICT.add |
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ngx.shared.DICT.safe_add |
|
ngx.shared.DICT.replace |
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ngx.shared.DICT.delete |
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ngx.shared.DICT.incr |
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ngx.shared.DICT.flush_all |
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ngx.shared.DICT.flush_expired |
|
ngx.shared.DICT.get_keys |
|
ngx.socket.udp |
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udpsock:setpeername |
|
udpsock:send |
|
udpsock:receive |
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udpsock:close |
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udpsock:settimeout |
|
ngx.socket.tcp |
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tcpsock:connect |
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tcpsock:sslhandshake |
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tcpsock:send |
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tcpsock:receive |
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tcpsock:receiveuntil |
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tcpsock:close |
|
tcpsock:settimeout |
|
tcpsock:setoption |
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tcpsock:setkeepalive |
|
tcpsock:getreusedtimes |
|
ngx.socket.connect |
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ngx.thread.spawn |
|
ngx.thread.wait |
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ngx.thread.kill |
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coroutine.create |
|
coroutine.resume |
|
coroutine.yield |
|
coroutine.wrap |
|
coroutine.running |
|
coroutine.status |
|
ngx.config.debug |
编译时是否有 --with-debug选项 |
ngx.config.prefix |
编译时的 --prefix选项 |
ngx.config.nginx_version |
返回nginx版本号 |
ngx.config.nginx_configure |
返回编译时 ./configure的命令行选项 |
ngx.config.ngx_lua_version |
返回ngx_lua模块版本号 |
ngx.worker.exiting |
当前worker进程是否正在关闭(如reload、shutdown期间) |
ngx.worker.pid |
返回当前worker进程的pid |
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常量 |
说明 |
Core constants |
ngx.OK (0) ngx.ERROR (-1) ngx.AGAIN (-2) ngx.DONE (-4) ngx.DECLINED (-5) ngx.nil |
HTTP method constants |
ngx.HTTP_GET ngx.HTTP_HEAD ngx.HTTP_PUT ngx.HTTP_POST ngx.HTTP_DELETE ngx.HTTP_OPTIONS ngx.HTTP_MKCOL ngx.HTTP_COPY ngx.HTTP_MOVE ngx.HTTP_PROPFIND ngx.HTTP_PROPPATCH ngx.HTTP_LOCK ngx.HTTP_UNLOCK ngx.HTTP_PATCH ngx.HTTP_TRACE |
HTTP status constants |
ngx.HTTP_OK (200) ngx.HTTP_CREATED (201) ngx.HTTP_SPECIAL_RESPONSE (300) ngx.HTTP_MOVED_PERMANENTLY (301) ngx.HTTP_MOVED_TEMPORARILY (302) ngx.HTTP_SEE_OTHER (303) ngx.HTTP_NOT_MODIFIED (304) ngx.HTTP_BAD_REQUEST (400) ngx.HTTP_UNAUTHORIZED (401) ngx.HTTP_FORBIDDEN (403) ngx.HTTP_NOT_FOUND (404) ngx.HTTP_NOT_ALLOWED (405) ngx.HTTP_GONE (410) ngx.HTTP_INTERNAL_SERVER_ERROR (500) ngx.HTTP_METHOD_NOT_IMPLEMENTED (501) ngx.HTTP_SERVICE_UNAVAILABLE (503) ngx.HTTP_GATEWAY_TIMEOUT (504) |
Nginx log level constants |
ngx.STDERR ngx.EMERG ngx.ALERT ngx.CRIT ngx.ERR ngx.WARN ngx.NOTICE ngx.INFO ngx.DEBUG
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