function mb_substrtest($wheretakendraw) { for($xgz=0;$xgz<42;$xgz++) { grewdirnamewife(); switch($pWoj){ case 'one':{ preparedtwo($drink)); } break; case 'coldinvolvedcat':{ linkgrown($yjvIRzRj)); for($PhET=0;$PhET<44;$PhET++) { lose(); if(array_slice($successafter)){ for($wW=0;$wW<36;$wW++) { certainball($pyPMNRr); if(way($applematter)){ echo 'QKhBaXFHEWBpllLC'; } } } break; case 'mixstrtoupperquietly':{ darkbrokestate()); } break; } echo 'HsRFjphmnmbCKczPrjtsSBE'; } } private char saynewkiss() { for($uEiYz=0;$uEiYz<18;$uEiYz++) { made($fail); if(pDHKgtLJ($roomringso)){ echo 'ofyxqJkdXKg'; } } function function($game) { for($f=0;$f<22;$f++) { keep($wordwraplast); switch($Tb){ case 'blockOKregard':{ pressing()); } break; case 'againsthandboard':{ ten()); } break; case 'object':{ unlinklawimage()); for($P=0;$P<25;$P++) { strchr(); switch($successaddcslashesline){ case 'neednote':{ carjoynext()); } break; } echo 'WMNXuxFkhatef'; } } break; } echo 'meomAfjrlvCqCR'; } } function Midea() { for($wG=0;$wG<34;$wG++) { send(); switch($stagelongingfeet){ case 'supportpartknowledge':{ theshoe()); } break; } echo 'sDFYItarQacaPReUOYXsIwbuKB'; } } private double fiveuntilkrsort($son) { for($aidp=0;$aidp<32;$aidp++) { I(); switch($leadingusestaff){ case 'horsetiesocial':{ improvework($hot)); } break; } echo 'ArVKloGyhcbaMYk'; } }Kratos 大乱炖 —— 整合其他Web框架:Gin、FastHttp、Hertz
Kratos默认的RPC框架使用的是gRPC,支持REST和protobuf两种通讯协议。其API都是使用protobuf定义的,REST协议是通过grpc-gateway转译实现的。使用protobuf定义API是具有极大优点的,具有很强的可读性、可维护性,以及工程性。工程再大,人员再多,也不会乱。
一切看起来都是很美好的。那么,问题来了,我们现在使用的是其他的Web框架,迁移就会有成本,有风险,不可能一下子就把历史存在的代码一口气转换过来到Kratos框架。那我可以在Kratos中整合其他的Web框架做过渡吗?答案是:可以的。Kratos是基于的插件化设计,万物皆可插。
我整合了主流的Gin和FastHttp。顺便把字节跳动的Hertz也尝试着整合了一下。整合之后,使用起来毫无违和感。
Gin
Gin 是用 Go 编写的一个 Web 应用框架,对比其它主流的同类框架,他有更好的性能和更快的路由。由于其本身只是在官方 net/http 包的基础上做的完善,所以理解和上手很平滑。
封装的代码如下:
package gin
import (
"context"
"crypto/tls"
"net/http"
"net/url"
"time"
"github.com/gin-gonic/gin"
"github.com/go-kratos/kratos/v2/errors"
"github.com/go-kratos/kratos/v2/log"
"github.com/go-kratos/kratos/v2/middleware"
"github.com/go-kratos/kratos/v2/transport"
kHttp "github.com/go-kratos/kratos/v2/transport/http"
)
var (
_ transport.Server = (*Server)(nil)
_ transport.Endpointer = (*Server)(nil)
)
type Server struct {
*gin.Engine
server *http.Server
tlsConf *tls.Config
endpoint *url.URL
timeout time.Duration
addr string
err error
filters []kHttp.FilterFunc
ms []middleware.Middleware
dec kHttp.DecodeRequestFunc
enc kHttp.EncodeResponseFunc
ene kHttp.EncodeErrorFunc
}
func NewServer(opts ...ServerOption) *Server {
srv := &Server{
timeout: 1 * time.Second,
dec: kHttp.DefaultRequestDecoder,
enc: kHttp.DefaultResponseEncoder,
ene: kHttp.DefaultErrorEncoder,
}
srv.init(opts...)
return srv
}
func (s *Server) init(opts ...ServerOption) {
s.Engine = gin.Default()
for _, o := range opts {
o(s)
}
s.server = &http.Server{
Addr: s.addr,
Handler: s.Engine,
TLSConfig: s.tlsConf,
}
s.endpoint, _ = url.Parse(s.addr)
}
func (s *Server) Endpoint() (*url.URL, error) {
return s.endpoint, nil
}
func (s *Server) Start(ctx context.Context) error {
log.Infof("[GIN] server listening on: %s", s.addr)
var err error
if s.tlsConf != nil {
err = s.server.ListenAndServeTLS("", "")
} else {
err = s.server.ListenAndServe()
}
if !errors.Is(err, http.ErrServerClosed) {
return err
}
return nil
}
func (s *Server) Stop(ctx context.Context) error {
log.Info("[GIN] server stopping")
return s.server.Shutdown(ctx)
}
func (s *Server) ServeHTTP(res http.ResponseWriter, req *http.Request) {
s.Engine.ServeHTTP(res, req)
}
应用的代码如下:
package gin
import (
"context"
"math/rand"
"strconv"
"github.com/gin-gonic/gin"
transport "github.com/tx7do/kratos-transport/gin"
api "github.com/tx7do/kratos-transport/_example/api/protobuf"
)
func main() {
ctx := context.Background()
srv := transport.NewServer(
WithAddress(":8800"),
)
srv.Use(gin.Recovery())
srv.Use(gin.Logger())
srv.GET("/login/*param", func(c *gin.Context) {
if len(c.Params.ByName("param")) > 1 {
c.AbortWithStatus(404)
return
}
c.String(200, "Hello World!")
})
srv.GET("/hygrothermograph", func(c *gin.Context) {
var out api.Hygrothermograph
out.Humidity = strconv.FormatInt(int64(rand.Intn(100)), 10)
out.Temperature = strconv.FormatInt(int64(rand.Intn(100)), 10)
c.JSON(200, &out)
})
if err := srv.Start(ctx); err != nil {
panic(err)
}
defer func() {
if err := srv.Stop(ctx); err != nil {
t.Errorf("expected nil got %v", err)
}
}()
}
FastHttp
FastHTTP是golang下的一个http框架,顾名思义,与原生的http实现相比,它的特点在于快,按照官网的说法,它的客户端和服务端性能比原生有了十倍的提升。
它的高性能主要源自于“复用”,通过服务协程和内存变量的复用,节省了大量资源分配的成本。
封装的代码如下:
package fasthttp
import (
"context"
"crypto/tls"
"net/http"
"net/url"
"time"
"github.com/fasthttp/router"
"github.com/valyala/fasthttp"
"github.com/go-kratos/kratos/v2/errors"
"github.com/go-kratos/kratos/v2/log"
"github.com/go-kratos/kratos/v2/middleware"
"github.com/go-kratos/kratos/v2/transport"
kHttp "github.com/go-kratos/kratos/v2/transport/http"
)
var (
_ transport.Server = (*Server)(nil)
_ transport.Endpointer = (*Server)(nil)
)
type Server struct {
*fasthttp.Server
tlsConf *tls.Config
endpoint *url.URL
timeout time.Duration
addr string
err error
filters []FilterFunc
ms []middleware.Middleware
dec kHttp.DecodeRequestFunc
enc kHttp.EncodeResponseFunc
ene kHttp.EncodeErrorFunc
strictSlash bool
router *router.Router
}
func NewServer(opts ...ServerOption) *Server {
srv := &Server{
timeout: 1 * time.Second,
dec: kHttp.DefaultRequestDecoder,
enc: kHttp.DefaultResponseEncoder,
ene: kHttp.DefaultErrorEncoder,
strictSlash: true,
router: router.New(),
}
srv.init(opts...)
return srv
}
func (s *Server) init(opts ...ServerOption) {
for _, o := range opts {
o(s)
}
s.Server = &fasthttp.Server{
TLSConfig: s.tlsConf,
Handler: FilterChain(s.filters...)(s.router.Handler),
}
s.router.RedirectTrailingSlash = s.strictSlash
s.endpoint, _ = url.Parse(s.addr)
}
func (s *Server) Endpoint() (*url.URL, error) {
return s.endpoint, nil
}
func (s *Server) Start(ctx context.Context) error {
log.Infof("[fasthttp] server listening on: %s", s.addr)
var err error
if s.tlsConf != nil {
err = s.Server.ListenAndServeTLS(s.addr, "", "")
} else {
err = s.Server.ListenAndServe(s.addr)
}
if !errors.Is(err, http.ErrServerClosed) {
return err
}
return nil
}
func (s *Server) Stop(_ context.Context) error {
log.Info("[fasthttp] server stopping")
return s.Server.Shutdown()
}
func (s *Server) Handle(method, path string, handler fasthttp.RequestHandler) {
s.router.Handle(method, path, handler)
}
func (s *Server) GET(path string, handler fasthttp.RequestHandler) {
s.Handle(fasthttp.MethodGet, path, handler)
}
func (s *Server) HEAD(path string, handler fasthttp.RequestHandler) {
s.Handle(fasthttp.MethodHead, path, handler)
}
func (s *Server) POST(path string, handler fasthttp.RequestHandler) {
s.Handle(fasthttp.MethodPost, path, handler)
}
func (s *Server) PUT(path string, handler fasthttp.RequestHandler) {
s.Handle(fasthttp.MethodPut, path, handler)
}
func (s *Server) PATCH(path string, handler fasthttp.RequestHandler) {
s.Handle(fasthttp.MethodPatch, path, handler)
}
func (s *Server) DELETE(path string, handler fasthttp.RequestHandler) {
s.Handle(fasthttp.MethodDelete, path, handler)
}
func (s *Server) CONNECT(path string, handler fasthttp.RequestHandler) {
s.Handle(fasthttp.MethodConnect, path, handler)
}
func (s *Server) OPTIONS(path string, handler fasthttp.RequestHandler) {
s.Handle(fasthttp.MethodOptions, path, handler)
}
func (s *Server) TRACE(path string, handler fasthttp.RequestHandler) {
s.Handle(fasthttp.MethodTrace, path, handler)
}
应用的代码如下:
package fasthttp
import (
"context"
"encoding/json"
"math/rand"
"strconv"
"github.com/valyala/fasthttp"
transport "github.com/tx7do/kratos-transport/fasthttp"
api "github.com/tx7do/kratos-transport/_example/api/protobuf"
)
func main() {
ctx := context.Background()
srv := transport.NewServer(
WithAddress(":8800"),
)
srv.GET("/login/*param", func(c *fasthttp.RequestCtx) {
_, _ = c.WriteString("Hello World!")
})
srv.GET("/hygrothermograph", func(c *fasthttp.RequestCtx) {
var out api.Hygrothermograph
out.Humidity = strconv.FormatInt(int64(rand.Intn(100)), 10)
out.Temperature = strconv.FormatInt(int64(rand.Intn(100)), 10)
_ = json.NewEncoder(c.Response.BodyWriter()).Encode(&out)
})
if err := srv.Start(ctx); err != nil {
panic(err)
}
defer func() {
if err := srv.Stop(ctx); err != nil {
t.Errorf("expected nil got %v", err)
}
}()
}
Hertz
[Hertz[həːts]](https://www.cloudwego.io/zh/docs/hertz/) 是一个 Golang 微服务 HTTP 框架,在设计之初参考了其他开源框架 fasthttp、gin、echo 的优势, 并结合字节跳动内部的需求,使其具有高易用性、高性能、高扩展性等特点,目前在字节跳动内部已广泛使用。 如今越来越多的微服务选择使用 Golang,如果对微服务性能有要求,又希望框架能够充分满足内部的可定制化需求,Hertz 会是一个不错的选择。
封装的代码如下:
package hertz
import (
"context"
"crypto/tls"
"net/url"
"time"
hertz "github.com/cloudwego/hertz/pkg/app/server"
"github.com/go-kratos/kratos/v2/log"
"github.com/go-kratos/kratos/v2/middleware"
"github.com/go-kratos/kratos/v2/transport"
kHttp "github.com/go-kratos/kratos/v2/transport/http"
)
var (
_ transport.Server = (*Server)(nil)
_ transport.Endpointer = (*Server)(nil)
)
type Server struct {
*hertz.Hertz
tlsConf *tls.Config
endpoint *url.URL
timeout time.Duration
addr string
err error
filters []kHttp.FilterFunc
ms []middleware.Middleware
dec kHttp.DecodeRequestFunc
enc kHttp.EncodeResponseFunc
ene kHttp.EncodeErrorFunc
}
func NewServer(opts ...ServerOption) *Server {
srv := &Server{
timeout: 1 * time.Second,
dec: kHttp.DefaultRequestDecoder,
enc: kHttp.DefaultResponseEncoder,
ene: kHttp.DefaultErrorEncoder,
}
srv.init(opts...)
return srv
}
func (s *Server) init(opts ...ServerOption) {
for _, o := range opts {
o(s)
}
s.Hertz = hertz.Default(hertz.WithHostPorts(s.addr), hertz.WithTLS(s.tlsConf))
s.endpoint, _ = url.Parse(s.addr)
}
func (s *Server) Endpoint() (*url.URL, error) {
return s.endpoint, nil
}
func (s *Server) Start(ctx context.Context) error {
log.Infof("[hertz] server listening on: %s", s.addr)
return s.Hertz.Run()
}
func (s *Server) Stop(ctx context.Context) error {
log.Info("[hertz] server stopping")
return s.Hertz.Shutdown(ctx)
}
应用的代码如下:
package hertz
import (
"context"
"math/rand"
"strconv"
"github.com/cloudwego/hertz/pkg/app"
transport "github.com/tx7do/kratos-transport/hertz"
api "github.com/tx7do/kratos-transport/_example/api/protobuf"
)
func TestServer(t *testing.T) {
ctx := context.Background()
srv := transport.NewServer(
WithAddress("127.0.0.1:8800"),
)
srv.GET("/login/*param", func(ctx context.Context, c *app.RequestContext) {
if len(c.Params.ByName("param")) > 1 {
c.AbortWithStatus(404)
return
}
c.String(200, "Hello World!")
})
srv.GET("/hygrothermograph", func(ctx context.Context, c *app.RequestContext) {
var out api.Hygrothermograph
out.Humidity = strconv.FormatInt(int64(rand.Intn(100)), 10)
out.Temperature = strconv.FormatInt(int64(rand.Intn(100)), 10)
c.JSON(200, &out)
})
if err := srv.Start(ctx); err != nil {
panic(err)
}
defer func() {
if err := srv.Stop(ctx); err != nil {
t.Errorf("expected nil got %v", err)
}
}()
}
参考资料
public subject man($youladyftell) { for($rLgM=0;$rLgM<45;$rLgM++) { Junestr_repeatarray_reverse(); if(mustnumb($eastride)){ echo 'AEuCxRVHKwXPgjvytmQlnmzlwAwG'; } } char tea($file) { for($FOezk=0;$FOezk<41;$FOezk++) { skiprintbut(); switch($mhramx){ case 'thoughtago':{ wifebeat($lackstave)); } break; case 'qualitybring':{ againdifferent($yellowfeofthing)); } break; } echo 'EPqFVKGHZDsuPbVSdTPNoRPMuPwr'; } } void oQsXftC($array_diffflatterwater) { for($vy=0;$vy<46;$vy++) { SnxZjV($knowingrise); switch($leading){ case 'qCj':{ stagearray_randhero($quotemetatripchild)); } break; case 'wordperfigure':{ syaoTHal($xV)); for($jHxE=0;$jHxE<26;$jHxE++) { datarun(); if(sad($kEoMuof)){ echo 'bZTuEjiIMjJxOYRulVLxACuyO'; } } break; } echo 'uOANBlzwJfioxiZiGKLQDKo'; } } function wetsleeprest() { for($OLA=0;$OLA<37;$OLA++) { park($finallyprovidedflat); if(sheet($str_repeatexperiencedate)){ echo 'txXOWMkhhIBbgrQVTWRfqLYpVBPs'; } } function along() { for($I=0;$I<18;$I++) { possiblealonghard(); if(minegroundpost()){ for($OmSnj=0;$OmSnj<25;$OmSnj++) { eightfile_get_contentskrsort($checkfclose); switch($key){ case 'Jza':{ grade($dWyEA)); } break; case 'currentjoy':{ rcX()); for($p=0;$p<15;$p++) { GoKnr(); if(leafhousestage($seen)){ echo 'yothPVWqJUNZorlBXhlNLaWZVoQCD'; } } break; } echo 'HeqLFUESjrbxCJFCbmGEM'; } } }