golang http client

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A simple and useful HTTP client library for Golang HTTPC

").Path("timeout").SetContext(httpc.NewContext().SetConnectReadTimeout(time.Second, time.Second)). Get(nil)fmt.Println(err)Request Retryerr := httpc.New("http://not_exist/").Path("not_exist"). SetContext(httpc.NewContext().AddCbOnRetring(func(c *httpc.HttpC, args ...interface{}) error { fmt.Printf("retring %v, next interval %v\n", args[0], args[1]) return nil }).SetRetryConfig(3, time.Second, 2)). // 重试3次,重试时间间隔依次为:2s, 4s, 8s G

A brief analysis of Golang's HTTP client source code

, whether it is roundtrip, or transport, are network-related things, not TCP/IP transport layer, but he in the process of code implementation took the name, let me a little misunderstanding. 3:http How connection pooling is managed Long links are generally processed in the application layer, first of all, the long connection is to take full advantage of the TCP connection characteristics, once a TCP connection has been established, and did not immedia

Golang example of Get and POST requests initiated using HTTP client

Golang to request a remote Web page, it can be implemented using the method provided by the client in the Net/http package. See the official website There are some examples, there are not too comprehensive examples, so I tidied up a bit.GET requestGet requests can be directly HTTP. The Get method is very simple.

Golang example of Get and POST requests initiated using HTTP client

This is a creation in Article, where the information may have evolved or changed. Golang to request a remote Web page, it can be implemented using the method provided by the client in the Net/http package. See the official website There are some examples, there are not too comprehensive examples, so I tidied up a bit. GET request Get requests can be directly

Golang example of Get and POST requests initiated using HTTP client

"Transfer from http://www.01happy.com/golang-http-client-get-and-post/"GET requestGet requests can be directly HTTP. The Get method is very simple. 1234567891011121314 func httpGet() {resp, err := http.Get("http:/

Quick-cocos do the client, Golang do the server, to implement HTTP communication

This is a creation in Article, where the information may have evolved or changed. The client Quick-cocos program is as follows: Local info={hero={Heroname= "Zhanshen", herolevel=1,herohp=200},[1]={Name= "Fengbao", level=2,att=100}} function Onrequestfinished (event)Local OK = (Event.name = = "Completed")Local request = Event.requestIf not OK then--Request failed with error code and error message displayedPrint (Request:geterrorcode (), Request:geterro

Golang HTTP client request for the Getting Started case

: = f. (map[interface{}]interface{})//for k, V: = range m {//switch VV: = V. (type) {//case string://fmt. Println (k, "is string", vv)//case int://fmt. Println (k, "is int", VV)//case float64://fmt. Println (K, "is Float64", vv)//case []INTERFACE{}://FMT. Println (K, "is an array:")//for i, U: = Range VV {//fmt. Println (i, u)//}//default://fmt. Println (K, "is of a type I don ' t know what to handle")//}//}}func CheckError (err error) {if err! = Nil {fmt. fprintf (OS. Stderr, "Fatal Error:%s",

Golang HTTP client. Do (req) cannot be used two times

Initializing the client, and the request unexpectedly cannot be called the second time, odd eight strange. Not much to read the source, but know where the problem. First the code looks like this: resp, err := client.Do(req)resp, err := client.Do(req) Originally thought about a period of time to refresh the data, to see what changes in the data, so I think can be reused req, but did not expect the error: : htt

Golang Development of HTTP services that support smooth upgrade (graceful restart)

", os.Args[0]) os.Exit(1) } name := os.Args[1] // 连接到服务端的8086端口 conn, err := net.Dial("tcp", "127.0.0.1:8086") checkError(err) for { // 循环往连接中 写入名字 _, err = conn.Write([]byte(name)) checkError(err) // 循环从连接中 读取响应内容,没有响应时会阻塞 response := make([]byte, 256) readLength, err := conn.Read(response) checkError(err) // 将读取响应内容输出到控制台,并sleep一秒 if readLength > 0 { fmt.Println("[

Golang Development of HTTP services that support smooth upgrade (graceful restart)

Golang Development of HTTP services that support smooth upgrade (graceful restart)Some time ago using Golang to make an HTTP interface, because of the characteristics of the compiled language, modified the code needs to recompile the executable file, close the running old program, and start a new program. For users wit

Golang Development of HTTP services that support smooth upgrade (graceful restart)

This is a creation in Article, where the information may have evolved or changed. Some time ago using Golang to make an HTTP interface, because of the characteristics of the compiled language, modified the code needs to recompile the executable file, close the running old program, and start a new program. For users with a large number of access to the product, the shutdown, restart the process will inevitab

GRPC Golang Server client and Nodejs client about TSL/SSL configuration experience

will be 8 files in the directory, 2 CAs, 3 client and 3 server Golang Service Side creds, err := credentials.NewServerTLSFromFile("./server.crt", "./server.key")if err != nil { ...}server := grpc.NewServer(grpc.Creds(creds)) Golang Client creds, err := credentials.NewClientTLSFromFile("./keys/se

Golang Development of HTTP services that support smooth upgrade (graceful restart)

This is a creation in Article, where the information may have evolved or changed. Golang Development of HTTP services that support smooth upgrade (graceful restart) Some time ago using Golang to make an HTTP interface, because of the characteristics of the compiled language, modified the code needs to recompile the exe

Golang (5): Write WebSocket service, client and HTML5 call

ws = new We Bsocket ( "Ws://localhost:8080/echo" ); Ws.onmessage = function ( e) { $ (). Text (Event.data). AppendTo ($ul); }; var $ul = $ ( ' #msg-list ' ); $ ( ' #sendBtn ' ). Click ( function () { var data = $ ( ' #name ' ). Val (); Ws.send (data); }); }); script>head>body>input id="name" type="text"/>input type="button" id="sendbtn" value ="Send"/>ul id="Msg-list">ul>body>html>When the button is clicked, WebSocket receives the OnMessage e

HTTP Server for golang-net/http source analysis

This article Csdn blog links: http://blog.csdn.net/screscent/article/details/53583764This article QQ space link: http://user.qzone.qq.com/29185807/blog/1481529299 golang-net/http Source Code Analysis of HTTP Server 1 Introduction Look at the example in the Net/

Golang's HTTP Operations encyclopedia

This is a creation in Article, where the information may have evolved or changed. Golang provides the official HTTP package, which is very convenient and concise for HTTP operation.But unlike PHP, using Golang's package to do HTTP operations, or not so "direct", need to instantiate this, instantiate that, a bit like Ja

Basic HTTP Service performance test (Python vs Golang)

Recently learning Golang, always want to experience the next concurrency in the end have more, will I big python strong how much. Learned the official tutorial HTTP service, using the Performance test Tool WRK test, found the result is very surprising ~WRK can refer to my blog, there are basic usage notes: http://blog.yuanzhaoyi.cn/2018/01/12/test.htmlTest comman

Springboot build HTTP service, return HTTP line is ' http/1.1 200 ' no Status Code description client parsing error

version of Tomcat, to be exact, was upgraded. OK in the http/1.1 protocol is enclosed in parentheses. That is, there can be no. The client should be compatible with this way to reduce the Springbot built-in tomcat version number 1, parse Spring boot parent dependency This configuration is spring boot parent dependency, with this, the current project is the Spring boot project, Spring-boot-starter-parent is

The client an HTTP connection consists of two directions, one for this HTTP connection, and the other for the HTTP connection output.

1. The client an HTTP connection consists of two directions, one for this HTTP connection, and the other for the HTTP connection output.After the IP address and port number are connected using httpclient, the HTTP output is set as the HT

Golang three ways to parse HTTP Multipart/form

Multipart/form-data, as the name implies, can upload multiple form-data and split it with separators for file uploads.1. HTTP Multipart/form-data Request samplePost/handle http/1.1host:localhost:8080Connection:keep-alivecontent-length:182537Cache-control:max-age=0Content-type:multipart/form-data; boundary=----Webkitformboundarywddae6hxfa4nl2igaccept:text/html,application/xhtml+xml,application/xml;q=0.9,imag

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