node . js http . server . keepalivetimeout 属性
原文:https://www . geesforgeks . org/node-js-http-server-keepalivetimeout-property/
http . server . keepalivetimeout是 http 模块中类 Server 的内置应用编程接口，用于获取服务器等待额外传入数据所需的不活动毫秒数。
语法:
server.keepAliveTimeout
参数:该 Api 不接受任何参数作为参数。
返回值:此方法返回服务器等待额外传入数据所需的不活动毫秒数。
示例 1:文件名:index.js
java 描述语言
// Node.js program to demonstrate the
// server.keepAliveTimeout property
// Importing http module
var http = require('http');
// Setting up PORT
const PORT = process.env.PORT || 3000;
// Creating http Server
var httpServer = http.createServer(
function(request, response){
// Getting the reference of the
// underlying socket object
// by using socket API
const value = response.socket;
// Display result
// by using end() api
response.end( "Socket buffersize : "
+ value.bufferSize, 'utf8', () => {
console.log("displaying the result...");
// Closing server
// by using close() api
httpServer.close(()=>{
console.log("server is closed")
})
});
});
// Listening to http Server
// by using listen() api
httpServer.listen(PORT, () => {
console.log("Server is running at port 3000...");
});
// Getting keep alive timeout value
// by using keepAliveTimeout api
const v = httpServer.keepAliveTimeout
// Display the result
console.log('keep alive time out value :-' + v)
使用以下命令运行 index.js 文件:
node index.js
控制台输出:
keep alive time out value :-5000
Server is running at port 3000...
displaying the result...
displaying the result...
server is closed
server is closed
浏览器输出:在浏览器的搜索栏中粘贴 localhost 地址 http://localhost:3000/即可。
Socket buffersize : 0
示例 2:Filename:index . js
Javascript
// Node.js program to demonstrate the
// server.keepAliveTimeout property
// Importing http module
var http = require('http');
// Request and response handler
const http2Handlers = (request, response) => {
// Getting the reference of the
// underlying socket object
// by using socket API
const value = response.socket;
// Display result
// by using end() api
response.end( "Socket local address : "
+ value.localAddress, 'utf8', () => {
console.log("displaying the result...");
// Closing server
// by using close() api
httpServer.close(()=>{
console.log("server is closed")
})
});
};
// Listening to http Server
// by using listen() api
var httpServer = http.createServer(
http2Handlers).listen(3000, () => {
console.log("Server is running at port 3000...");
});
// Getting keep alive timeout value
// by using keepAliveTimeout property
const v = httpServer.keepAliveTimeout
// Display the result
console.log('keep alive time out value :-' + v)
使用以下命令运行 index.js 文件:
node index.js
控制台输出:
keep alive time out value :-5000
Server is running at port 3000...
displaying the result...
displaying the result...
server is closed
server is closed
浏览器输出:在浏览器的搜索栏中粘贴 localhost 地址 http://localhost:3000/即可。
Socket local address : ::1
参考:https://nodejs . org/dist/latest-v 12 . x/docs/API/http . html # http _ server _ keepalivetimeout
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