Golang请求fasthttp实践
原计划学完golang语言http客户端实践之后,就可以继续了,没想到才疏学浅,在搜资料的时候发现除了golang sdk自带的net/http,还有一个更牛的httpclient实现github.com/valyala/fasthttp,据说性能是net/http的10倍,我想可能是有点夸张了,后期我会进行测试,以正视听。
在github.com/valyala/fasthttp用到了对象池,为了在高性能测试中减少内存的使用,fasthttp使用了两个对象池(我只看了这俩):requestpool sync.pool和responsepool sync.pool,当然fasthttp也提供了正常的对象创建api,后面我在案例中也会写到。
基础api演示
首先分享一下基础的用法封装:
ps:这个属于练习版本,所以没写多少注释。
package ft import ( "encoding/json" "fmt" "funtester/task" "github.com/valyala/fasthttp" ) func fastget(url string, args map[string]interface{}) ([]byte, error) { uri := url + "?" + task.tovalues(args) _, resp, err := fasthttp.get(nil, uri) if err != nil { fmt.println("请求失败:", err.error()) return nil, err } return resp, err } func fastpostform(url string, args map[string]interface{}) ([]byte, error) { // 填充表单,类似于net/url params := &fasthttp.args{} for s, i2 := range args { sprintf := fmt.sprintf("%v", i2) params.add(s, sprintf) } _, resp, err := fasthttp.post(nil, url, params) if err != nil { fmt.println("请求失败:", err.error()) return nil, err } return resp, nil } func fastpostjson(url string, args map[string]interface{}) ([]byte, error) { req := &fasthttp.request{} req.setrequesturi(url) marshal, _ := json.marshal(args) req.setbody(marshal) // 默认是application/x-www-form-urlencoded,其实无所谓 req.header.setcontenttype("application/json") req.header.setmethod("post") resp := &fasthttp.response{} if err := fasthttp.do(req, resp); err != nil { fmt.println("请求失败:", err.error()) return nil, err } return resp.body(), nil }
其中两点主要注意:
- fastget、fastpostform使用的fasthttp提供的默认获取请求的方式,fastpostjson使用了自定义请求和获取响应的方式
- 关于请求头中的req.header.setcontenttype方法,其实无所谓,服务端都可以解析
高性能api演示
下面分享使用更高的性能(基于对象池)的api创建请求和获取响应的方式:
package task import ( "crypto/tls" "encoding/json" "fmt" "github.com/valyala/fasthttp" "log" "time" ) var fastclient fasthttp.client = fastclient() // fastget 获取get请求对象,没有进行资源回收 // @description: // @param url // @param args // @return *fasthttp.request func fastget(url string, args map[string]interface{}) *fasthttp.request { req := fasthttp.acquirerequest() req.header.setmethod("get") values := tovalues(args) req.setrequesturi(url + "?" + values) return req } // fastpostjson post请求json参数,没有进行资源回收 // @description: // @param url // @param args // @return *fasthttp.request func fastpostjson(url string, args map[string]interface{}) *fasthttp.request { req := fasthttp.acquirerequest() // 默认是application/x-www-form-urlencoded req.header.setcontenttype("application/json") req.header.setmethod("post") req.setrequesturi(url) marshal, _ := json.marshal(args) req.setbody(marshal) return req } // fastpostform post请求表单传参,没有进行资源回收 // @description: // @param url // @param args // @return *fasthttp.request func fastpostform(url string, args map[string]interface{}) *fasthttp.request { req := fasthttp.acquirerequest() // 默认是application/x-www-form-urlencoded //req.header.setcontenttype("application/json") req.header.setmethod("post") req.setrequesturi(url) marshal, _ := json.marshal(args) req.bodywriter().write([]byte(tovalues(args))) req.bodywriter().write(marshal) return req } // fastresponse 获取响应,保证资源回收 // @description: // @param request // @return []byte // @return error func fastresponse(request *fasthttp.request) ([]byte, error) { response := fasthttp.acquireresponse() defer fasthttp.releaseresponse(response) defer fasthttp.releaserequest(request) if err := fastclient.do(request, response); err != nil { log.println("响应出错了") return nil, err } return response.body(), nil } // doget 发送get请求,获取响应 // @description: // @param url // @param args // @return []byte // @return error func doget(url string, args map[string]interface{}) ([]byte, error) { req := fasthttp.acquirerequest() defer fasthttp.releaserequest(req) // 用完需要释放资源 req.header.setmethod("get") values := tovalues(args) req.setrequesturi(url + "?" + values) resp := fasthttp.acquireresponse() defer fasthttp.releaseresponse(resp) // 用完需要释放资源 if err := fastclient.do(req, resp); err != nil { fmt.println("请求失败:", err.error()) return nil, err } return resp.body(), nil } // fastclient 获取fast客户端 // @description: // @return fasthttp.client func fastclient() fasthttp.client { return fasthttp.client{ name: "funtester", nodefaultuseragentheader: true, tlsconfig: &tls.config{insecureskipverify: true}, maxconnsperhost: 2000, maxidleconnduration: 5 * time.second, maxconnduration: 5 * time.second, readtimeout: 5 * time.second, writetimeout: 5 * time.second, maxconnwaittimeout: 5 * time.second, } }
测试服务
用的还是moco_funtester测试框架,脚本如下:
package com.mocofun.moco.main import com.funtester.utils.argsutil import com.mocofun.moco.mocoserver import org.apache.tools.ant.taskdefs.condition.and class share extends mocoserver { static void main(string[] args) { def util = new argsutil(args) // def server = getservernolog(util.getintordefault(0,12345)) def server = getserver(util.getintordefault(0, 12345)) server.get(both(urlstartswith("/test"),existargs("code"))).response("get请求") server.post(both(urlstartswith("/test"), existform("fun"))).response("post请求form表单") server.post(both(urlstartswith("/test"), existparams("fun"))).response("post请求json表单") server.get(urlstartswith("/qps")).response(qps(textres("恭喜到达qps!"), 1)) // server.response(delay(jsonres(getjson("have=fun ~ tester !")), 1000)) server.response("have fun ~ tester !") def run = run(server) waitforkey("fan") run.stop() } }
golang单元测试
第一次写golang单测,有点不适应,搞了很久才通。
package test import ( "funtester/ft" "funtester/task" "log" "testing" ) const url = "http://localhost:12345/test" func args() map[string]interface{} { return map[string]interface{}{ "code": 32, "fun": 32, "msg": "324", } } func testget(t *testing.t) { get := task.fastget(url, args()) res, err := task.fastresponse(get) if err != nil { t.fail() } v := string(res) log.println(v) if v != "get请求" { t.fail() } } func testpostjson(t *testing.t) { post := task.fastpostjson(url, args()) res, err := task.fastresponse(post) if err != nil { t.fail() } v := string(res) log.println(v) if v != "post请求json表单" { t.fail() } } func testpostform(t *testing.t) { post := task.fastpostform(url, args()) res, err := task.fastresponse(post) if err != nil { t.fail() } v := string(res) log.println(v) if v != "post请求form表单" { t.fail() } } func testgetnor(t *testing.t) { res, err := ft.fastget(url, args()) if err != nil { t.fail() } v := string(res) log.println(v) if v != "get请求" { t.fail() } } func testpostjsonnor(t *testing.t) { res, err := ft.fastpostjson(url, args()) if err != nil { t.fail() } v := string(res) log.println(v) if v != "post请求json表单" { t.fail() } } func testpostformnor(t *testing.t) { res, err := ft.fastpostform(url, args()) if err != nil { t.fail() } v := string(res) log.println(v) if v != "post请求form表单" { t.fail() } }
测试报告
用的自带的控制台输出内容:
=== run testget
2021/10/18 18:56:49 get请求
--- pass: testget (0.01s)
=== run testpostjson
2021/10/18 18:56:49 post请求json表单
--- pass: testpostjson (0.00s)
=== run testpostform
2021/10/18 18:56:49 post请求form表单
--- pass: testpostform (0.00s)
=== run testgetnor
2021/10/18 18:56:49 get请求
--- pass: testgetnor (0.00s)
=== run testpostjsonnor
2021/10/18 18:56:49 post请求json表单
--- pass: testpostjsonnor (0.00s)
=== run testpostformnor
2021/10/18 18:56:49 post请求form表单
--- pass: testpostformnor (0.00s)
=== run teststagejson
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