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library/net/rpc/warden/examples/client/BUILD

@@ -0,0 +1,43 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_binary",
+    "go_library",
+)
+
+go_binary(
+    name = "client",
+    embed = [":go_default_library"],
+    tags = ["automanaged"],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["client.go"],
+    importpath = "go-common/library/net/rpc/warden/examples/client",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//library/ecode:go_default_library",
+        "//library/net/rpc/warden:go_default_library",
+        "//library/net/rpc/warden/proto/testproto:go_default_library",
+        "//vendor/github.com/pkg/errors:go_default_library",
+        "@com_github_golang_protobuf//ptypes:go_default_library_gen",
+        "@io_bazel_rules_go//proto/wkt:any_go_proto",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

library/net/rpc/warden/examples/client/client.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+
+	"go-common/library/ecode"
+	"go-common/library/net/rpc/warden"
+	pb "go-common/library/net/rpc/warden/proto/testproto"
+
+	"github.com/golang/protobuf/ptypes"
+	"github.com/golang/protobuf/ptypes/any"
+	"github.com/pkg/errors"
+)
+
+// usage: ./client -grpc.target=test.service=127.0.0.1:8080
+func main() {
+	flag.Parse()
+	conn, err := warden.NewConn("discovery://d/test.service?t=t&cluster=asdasd")
+	if err != nil {
+		panic(err)
+	}
+	cli := pb.NewGreeterClient(conn)
+	normalCall(cli)
+	errDetailCall(cli)
+}
+
+func normalCall(cli pb.GreeterClient) {
+	reply, err := cli.SayHello(context.Background(), &pb.HelloRequest{Name: "tom", Age: 23})
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println("get reply:", *reply)
+}
+
+func errDetailCall(cli pb.GreeterClient) {
+	_, err := cli.SayHello(context.Background(), &pb.HelloRequest{Name: "err_detail_test", Age: 12})
+	if err != nil {
+		any := errors.Cause(err).(ecode.Codes).Details()[0].(*any.Any)
+		var re pb.HelloReply
+		err := ptypes.UnmarshalAny(any, &re)
+		if err == nil {
+			fmt.Printf("cli.SayHello get error detail!detail:=%v", re)
+		}
+		return
+	}
+}

library/net/rpc/warden/examples/grpcDebug/BUILD

@@ -0,0 +1,41 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+    "go_binary",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["client.go"],
+    importpath = "go-common/library/net/rpc/warden/examples/grpcDebug",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "@com_github_gogo_protobuf//jsonpb:go_default_library",
+        "@org_golang_google_grpc//:go_default_library",
+        "@org_golang_google_grpc//credentials:go_default_library",
+        "@org_golang_google_grpc//encoding:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)
+
+go_binary(
+    name = "grpcDebug",
+    embed = [":go_default_library"],
+    tags = ["automanaged"],
+)

library/net/rpc/warden/examples/grpcDebug/client.go

@@ -0,0 +1,103 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+
+	"github.com/gogo/protobuf/jsonpb"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/encoding"
+)
+
+// Reply for test
+type Reply struct {
+	res []byte
+}
+
+var data string
+var file string
+var method string
+var addr string
+var tlsCert string
+var tlsServerName string
+
+//Reference https://jbrandhorst.com/post/grpc-json/
+func init() {
+	encoding.RegisterCodec(JSON{
+		Marshaler: jsonpb.Marshaler{
+			EmitDefaults: true,
+			OrigName:     true,
+		},
+	})
+	flag.StringVar(&data, "data", `{"name":"longxia","age":19}`, `{"name":"longxia","age":19}`)
+	flag.StringVar(&file, "file", ``, `./data.json`)
+	flag.StringVar(&method, "method", "/testproto.Greeter/SayHello", `/testproto.Greeter/SayHello`)
+	flag.StringVar(&addr, "addr", "127.0.0.1:8080", `127.0.0.1:8080`)
+	flag.StringVar(&tlsCert, "cert", "", `./cert.pem`)
+	flag.StringVar(&tlsServerName, "server_name", "", `hello_server`)
+}
+
+// 该example因为使用的是json传输格式所以只能用于调试或测试，用于线上会导致性能下降
+// 使用方法：
+//  ./grpcDebug -data='{"name":"xia","age":19}' -addr=127.0.0.1:8080 -method=/testproto.Greeter/SayHello
+//  ./grpcDebug -file=data.json -addr=127.0.0.1:8080 -method=/testproto.Greeter/SayHello
+func main() {
+	flag.Parse()
+	opts := []grpc.DialOption{
+		grpc.WithInsecure(),
+		grpc.WithDefaultCallOptions(grpc.CallContentSubtype(JSON{}.Name())),
+	}
+	if tlsCert != "" {
+		creds, err := credentials.NewClientTLSFromFile(tlsCert, tlsServerName)
+		if err != nil {
+			panic(err)
+		}
+		opts = append(opts, grpc.WithTransportCredentials(creds))
+	}
+	if file != "" {
+		content, err := ioutil.ReadFile(file)
+		if err != nil {
+			fmt.Println("ioutil.ReadFile %s failed!err:=%v", file, err)
+			os.Exit(1)
+		}
+		if len(content) > 0 {
+			data = string(content)
+		}
+	}
+	conn, err := grpc.Dial(addr, opts...)
+	if err != nil {
+		panic(err)
+	}
+	var reply Reply
+	err = grpc.Invoke(context.Background(), method, []byte(data), &reply, conn)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(string(reply.res))
+}
+
+// JSON is impl of encoding.Codec
+type JSON struct {
+	jsonpb.Marshaler
+	jsonpb.Unmarshaler
+}
+
+// Name is name of JSON
+func (j JSON) Name() string {
+	return "json"
+}
+
+// Marshal is json marshal
+func (j JSON) Marshal(v interface{}) (out []byte, err error) {
+	return v.([]byte), nil
+}
+
+// Unmarshal is json unmarshal
+func (j JSON) Unmarshal(data []byte, v interface{}) (err error) {
+	v.(*Reply).res = data
+	return nil
+}

library/net/rpc/warden/examples/grpcDebug/data.json

@@ -0,0 +1 @@
+{"name":"xia","age":19}

library/net/rpc/warden/examples/server/BUILD

@@ -0,0 +1,45 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_binary",
+    "go_library",
+)
+
+go_binary(
+    name = "server",
+    embed = [":go_default_library"],
+    tags = ["automanaged"],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["main.go"],
+    importpath = "go-common/library/net/rpc/warden/examples/server",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//library/ecode:go_default_library",
+        "//library/ecode/pb:go_default_library",
+        "//library/log:go_default_library",
+        "//library/net/rpc/warden:go_default_library",
+        "//library/net/rpc/warden/proto/testproto:go_default_library",
+        "//library/time:go_default_library",
+        "@com_github_golang_protobuf//ptypes:go_default_library_gen",
+        "@org_golang_google_grpc//:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

library/net/rpc/warden/examples/server/main.go

@@ -0,0 +1,108 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"go-common/library/ecode"
+	epb "go-common/library/ecode/pb"
+	"go-common/library/log"
+	"go-common/library/net/rpc/warden"
+	pb "go-common/library/net/rpc/warden/proto/testproto"
+	xtime "go-common/library/time"
+
+	"github.com/golang/protobuf/ptypes"
+	"google.golang.org/grpc"
+)
+
+type helloServer struct {
+	addr string
+}
+
+func (s *helloServer) SayHello(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {
+	if in.Name == "err_detail_test" {
+		any, _ := ptypes.MarshalAny(&pb.HelloReply{Success: true, Message: "this is test detail"})
+		err := epb.From(ecode.AccessDenied)
+		err.ErrDetail = any
+		return nil, err
+	}
+	return &pb.HelloReply{Message: fmt.Sprintf("hello %s from %s", in.Name, s.addr)}, nil
+}
+
+func (s *helloServer) StreamHello(ss pb.Greeter_StreamHelloServer) error {
+	for i := 0; i < 3; i++ {
+		in, err := ss.Recv()
+		if err == io.EOF {
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+		ret := &pb.HelloReply{Message: "Hello " + in.Name, Success: true}
+		err = ss.Send(ret)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func runServer(addr string) *warden.Server {
+	server := warden.NewServer(&warden.ServerConfig{
+		//服务端每个请求的默认超时时间
+		Timeout: xtime.Duration(time.Second),
+	})
+	server.Use(middleware())
+	pb.RegisterGreeterServer(server.Server(), &helloServer{addr: addr})
+	go func() {
+		err := server.Run(addr)
+		if err != nil {
+			panic("run server failed!" + err.Error())
+		}
+	}()
+	return server
+}
+
+func main() {
+	log.Init(&log.Config{Stdout: true})
+	server := runServer("0.0.0.0:8080")
+	signalHandler(server)
+}
+
+//类似于中间件
+func middleware() grpc.UnaryServerInterceptor {
+	return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
+		//记录调用方法
+		log.Info("method:%s", info.FullMethod)
+		//call chain
+		resp, err = handler(ctx, req)
+		return
+	}
+}
+
+func signalHandler(s *warden.Server) {
+	var (
+		ch = make(chan os.Signal, 1)
+	)
+	signal.Notify(ch, syscall.SIGHUP, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT)
+	for {
+		si := <-ch
+		switch si {
+		case syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT:
+			log.Info("get a signal %s, stop the consume process", si.String())
+			ctx, cancel := context.WithTimeout(context.Background(), time.Second*3)
+			defer cancel()
+			//gracefully shutdown with timeout
+			s.Shutdown(ctx)
+			return
+		case syscall.SIGHUP:
+		default:
+			return
+		}
+	}
+}