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69 lines
1.5 KiB
69 lines
1.5 KiB
package main
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import (
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"context"
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"log"
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"time"
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"github.com/go-kratos/kratos/contrib/registry/etcd/v2"
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"github.com/go-kratos/kratos/examples/helloworld/helloworld"
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"github.com/go-kratos/kratos/v2/transport/grpc"
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"github.com/go-kratos/kratos/v2/transport/http"
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clientv3 "go.etcd.io/etcd/client/v3"
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srcgrpc "google.golang.org/grpc"
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)
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func main() {
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cli, err := clientv3.New(clientv3.Config{
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Endpoints: []string{"127.0.0.1:2379"},
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})
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if err != nil {
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panic(err)
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}
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r := etcd.New(cli)
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connGRPC, err := grpc.DialInsecure(
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context.Background(),
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grpc.WithEndpoint("discovery:///helloworld"),
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grpc.WithDiscovery(r),
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)
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if err != nil {
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log.Fatal(err)
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}
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defer connGRPC.Close()
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connHTTP, err := http.NewClient(
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context.Background(),
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http.WithEndpoint("discovery:///helloworld"),
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http.WithDiscovery(r),
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http.WithBlock(),
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)
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if err != nil {
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log.Fatal(err)
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}
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defer connHTTP.Close()
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for {
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callHTTP(r, connHTTP)
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callGRPC(r, connGRPC)
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time.Sleep(time.Second)
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}
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}
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func callGRPC(r *etcd.Registry, conn *srcgrpc.ClientConn) {
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client := helloworld.NewGreeterClient(conn)
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reply, err := client.SayHello(context.Background(), &helloworld.HelloRequest{Name: "kratos"})
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if err != nil {
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log.Fatal(err)
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}
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log.Printf("[grpc] SayHello %+v\n", reply)
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}
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func callHTTP(r *etcd.Registry, conn *http.Client) {
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client := helloworld.NewGreeterHTTPClient(conn)
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reply, err := client.SayHello(context.Background(), &helloworld.HelloRequest{Name: "kratos"})
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if err != nil {
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log.Fatal(err)
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}
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log.Printf("[http] SayHello %+v\n", reply)
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}
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