Add examples

examples/greeter/api/rpc/rpc.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"log"
+
+	proto "github.com/micro/examples/greeter/api/rpc/proto/hello"
+	hello "github.com/micro/examples/greeter/srv/proto/hello"
+	"github.com/micro/go-micro/v2"
+
+	"context"
+)
+
+type Greeter struct {
+	Client hello.SayService
+}
+
+func (g *Greeter) Hello(ctx context.Context, req *proto.Request, rsp *proto.Response) error {
+	log.Print("Received Greeter.Hello API request")
+
+	// make the request
+	response, err := g.Client.Hello(ctx, &hello.Request{Name: req.Name})
+	if err != nil {
+		return err
+	}
+
+	// set api response
+	rsp.Msg = response.Msg
+	return nil
+}
+
+func main() {
+	// Create service
+	service := micro.NewService(
+		micro.Name("go.micro.api.greeter"),
+	)
+
+	// Init to parse flags
+	service.Init()
+
+	// Register Handlers
+	proto.RegisterGreeterHandler(service.Server(), &Greeter{
+		// Create Service Client
+		Client: hello.NewSayService("go.micro.srv.greeter", service.Client()),
+	})
+
+	// for handler use
+
+	// Run server
+	if err := service.Run(); err != nil {
+		log.Fatal(err)
+	}
+}