improve service registry for package ghttp/gclient

example/go.mod

@@ -4,8 +4,8 @@ go 1.15
 
 require (
 	github.com/gogf/gf/contrib/registry/etcd/v2 v2.0.0-rc2
-	github.com/gogf/gf/contrib/resolver/v2 v2.0.0-rc2
-	github.com/gogf/gf/contrib/balancer/v2 v2.0.0-rc2
+	github.com/gogf/gf/contrib/grpc/resolver/v2 v2.0.0-rc2
+	github.com/gogf/gf/contrib/grpc/balancer/v2 v2.0.0-rc2
 	github.com/gogf/gf/v2 v2.0.0-rc2
 	github.com/golang/protobuf v1.5.2
 	google.golang.org/grpc v1.43.0
@@ -13,8 +13,8 @@ require (
 )
 
 replace (
-	github.com/gogf/gf/contrib/balancer/v2 => ../contrib/balancer/
-	github.com/gogf/gf/contrib/registry/etcd/v2 => ../contrib/registry/etcd/
-	github.com/gogf/gf/contrib/resolver/v2 => ../contrib/resolver/
+github.com/gogf/gf/contrib/registry/etcd/v2 => ../contrib/registry/etcd/
+	github.com/gogf/gf/contrib/grpc/balancer/v2 => ../contrib/grpc/balancer/
+	github.com/gogf/gf/contrib/grpc/resolver/v2 => ../contrib/grpc/resolver/
 	github.com/gogf/gf/v2 => ../
 )

example/registry/http/client/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"time"
 
 	"github.com/gogf/gf/contrib/registry/etcd/v2"
 	"github.com/gogf/gf/v2/frame/g"
@@ -12,10 +13,13 @@ import (
 func main() {
 	gsvc.SetRegistry(etcd.New(`127.0.0.1:2379`))
 
-	res, err := g.Client().Get(gctx.New(), `http://hello.svc:12345/`)
-	if err != nil {
-		panic(err)
+	for i := 0; i < 100; i++ {
+		res, err := g.Client().Get(gctx.New(), `http://hello.svc/`)
+		if err != nil {
+			panic(err)
+		}
+		fmt.Println(res.ReadAllString())
+		res.Close()
+		time.Sleep(time.Second)
 	}
-	defer res.Close()
-	fmt.Println(res.ReadAllString())
 }

example/registry/http/server/main.go

@@ -12,6 +12,7 @@ func main() {
 
 	s := g.Server(`hello.svc`)
 	s.BindHandler("/", func(r *ghttp.Request) {
+		g.Log().Info(r.Context(), `request received`)
 		r.Response.Write(`Hello world`)
 	})
 	s.Run()