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66 lines
1.5 KiB
66 lines
1.5 KiB
package main
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import (
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"context"
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"fmt"
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"log"
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"github.com/go-kratos/kratos/examples/helloworld/helloworld"
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"github.com/go-kratos/kratos/v2"
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"github.com/go-kratos/kratos/v2/metadata"
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mmd "github.com/go-kratos/kratos/middleware/metadata/v2"
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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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)
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// go build -ldflags "-X main.Version=x.y.z"
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var (
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// Name is the name of the compiled software.
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Name = "helloworld"
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// Version is the version of the compiled software.
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Version = "v1.0.0"
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)
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// server is used to implement helloworld.GreeterServer.
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type server struct {
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helloworld.UnimplementedGreeterServer
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}
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// SayHello implements helloworld.GreeterServer
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func (s *server) SayHello(ctx context.Context, in *helloworld.HelloRequest) (*helloworld.HelloReply, error) {
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var extra string
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if md, ok := metadata.FromServerContext(ctx); ok {
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extra = md.Get("x-md-global-extra")
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}
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return &helloworld.HelloReply{Message: fmt.Sprintf("Hello %s extra_meta: %s", in.Name, extra)}, nil
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}
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func main() {
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grpcSrv := grpc.NewServer(
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grpc.Address(":9000"),
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grpc.Middleware(
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mmd.Server(),
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))
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httpSrv := http.NewServer(
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http.Address(":8000"),
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http.Middleware(
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mmd.Server(),
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),
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)
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s := &server{}
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helloworld.RegisterGreeterServer(grpcSrv, s)
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helloworld.RegisterGreeterHTTPServer(httpSrv, s)
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app := kratos.New(
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kratos.Name(Name),
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kratos.Server(
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httpSrv,
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grpcSrv,
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),
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)
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if err := app.Run(); err != nil {
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log.Fatal(err)
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}
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}
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