Update Dockerfile to use Go v1.21 (#455)

Signed-off-by: goodfirm <fanyishang@yeah.net>

.circleci/config.yml

@@ -4,45 +4,46 @@ shared_configs:
     - run:
         name: Run tests
         command: |
-          make deps test
+          make test
-  full_job_steps: &full_job_steps
-    - checkout
-    - run:
-        name: Run tests
-        command: |
-          make ci
 
 # Use the latest 2.1 version of CircleCI pipeline process engine. See: https://circleci.com/docs/2.0/configuration-reference
 version: 2.1
 jobs:
-  build-1-15:
+  build-1-19:
     working_directory: ~/repo
     docker:
-      - image: cimg/go:1.15
+      - image: cimg/go:1.19
     steps: *simple_job_steps
 
-  build-1-16:
+  build-1-20:
     working_directory: ~/repo
     docker:
-      - image: cimg/go:1.16
+      - image: cimg/go:1.20
-    steps: *full_job_steps
-
-  build-1-17:
-    working_directory: ~/repo
-    docker:
-      - image: cimg/go:1.17
     steps: *simple_job_steps
 
-  build-1-18:
+  build-1-21:
     working_directory: ~/repo
     docker:
-      - image: cimg/go:1.18
+      - image: cimg/go:1.21
+    steps:
+      - checkout
+      - run:
+          name: Run tests and linters
+          command: |
+            make ci
+
+  # TODO: Need updates to some static analyzer tools to support 1.22. After those
+  #       are updated, move the full linting from 1.21 to this latest release.
+  build-1-22:
+    working_directory: ~/repo
+    docker:
+      - image: cimg/go:1.22
     steps: *simple_job_steps
 
 workflows:
   pr-build-test:
     jobs:
-      - build-1-15
+      - build-1-19
-      - build-1-16
+      - build-1-20
-      - build-1-17
+      - build-1-21
-      - build-1-18
+      - build-1-22

.github/workflows/codesee-arch-diagram.yml

@@ -0,0 +1,22 @@
+# This workflow was added by CodeSee. Learn more at https://codesee.io/
+# This is v2.0 of this workflow file
+on:
+  push:
+    branches:
+      - master
+  pull_request_target:
+    types: [opened, synchronize, reopened]
+
+name: CodeSee
+
+permissions: read-all
+
+jobs:
+  codesee:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    name: Analyze the repo with CodeSee
+    steps:
+      - uses: Codesee-io/codesee-action@v2
+        with:
+          codesee-token: ${{ secrets.CODESEE_ARCH_DIAG_API_TOKEN }}

.gitignore

@@ -1,3 +1,4 @@
 dist/
 .idea/
 VERSION
+.tmp/

.goreleaser.yml

@@ -29,12 +29,26 @@ builds:
 
 archives:
   - format: tar.gz
+    name_template: >-
+      {{ .Binary }}_{{ .Version }}_
+      {{- if eq .Os "darwin" }}osx{{ else }}{{ .Os }}{{ end }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}x86_32
+      {{- else }}{{ .Arch }}{{ end }}
+      {{- with .Arm }}v{{ . }}{{ end }}{{ with .Mips }}_{{ . }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}
     format_overrides:
       - goos: windows
         format: zip
-    replacements:
-      amd64: x86_64
-      386: x86_32
-      darwin: osx
     files:
       - LICENSE
+
+nfpms:
+  - vendor: Fullstory
+    homepage: https://github.com/fullstorydev/grpcurl/
+    maintainer: Engineering at Fullstory  <fixme@fixme>
+    description: 'Like cURL, but for gRPC: Command-line tool for interacting with gRPC servers'
+    license: MIT
+    id: nfpms
+    formats:
+      - deb
+      - rpm

Dockerfile

@@ -1,5 +1,5 @@
-FROM golang:1.18-alpine as builder
+FROM golang:1.21-alpine as builder
-MAINTAINER FullStory Engineering
+MAINTAINER Fullstory Engineering
 
 # create non-privileged group and user
 RUN addgroup -S grpcurl && adduser -S grpcurl -G grpcurl

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2017 FullStory, Inc
+Copyright (c) 2017 Fullstory, Inc
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -18,4 +18,4 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+SOFTWARE.

Makefile

@@ -1,20 +1,29 @@
 dev_build_version=$(shell git describe --tags --always --dirty)
 
+export PATH := $(shell pwd)/.tmp/protoc/bin:$(PATH)
+
+export PROTOC_VERSION := 22.0
+
+# Disable CGO for improved compatibility across distros
+export CGO_ENABLED=0
+
 # TODO: run golint and errcheck, but only to catch *new* violations and
 # decide whether to change code or not (e.g. we need to be able to whitelist
 # violations already in the code). They can be useful to catch errors, but
 # they are just too noisy to be a requirement for a CI -- we don't even *want*
 # to fix some of the things they consider to be violations.
 .PHONY: ci
-ci: deps checkgofmt vet staticcheck ineffassign predeclared test
+ci: deps checkgofmt checkgenerate vet staticcheck ineffassign predeclared test
 
 .PHONY: deps
 deps:
 	go get -d -v -t ./...
+	go mod tidy
 
 .PHONY: updatedeps
 updatedeps:
 	go get -d -v -t -u -f ./...
+	go mod tidy
 
 .PHONY: install
 install:
@@ -22,8 +31,8 @@ install:
 
 .PHONY: release
 release:
-	@go install github.com/goreleaser/goreleaser@v1.5.0
+	@go install github.com/goreleaser/goreleaser@v1.21.0
-	goreleaser release --rm-dist
+	goreleaser release --clean
 
 .PHONY: docker
 docker:
@@ -31,6 +40,20 @@ docker:
 	docker build -t fullstorydev/grpcurl:$(dev_build_version) .
 	@rm VERSION
 
+.PHONY: generate
+generate: .tmp/protoc/bin/protoc
+	@go install google.golang.org/protobuf/cmd/protoc-gen-go@a709e31e5d12
+	@go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.1.0
+	go generate ./...
+
+.PHONY: checkgenerate
+checkgenerate: generate
+	git status --porcelain
+	@if [ -n "$$(git status --porcelain)" ]; then \
+		git diff; \
+		exit 1; \
+	fi
+
 .PHONY: checkgofmt
 checkgofmt:
 	gofmt -s -l .
@@ -42,11 +65,9 @@ checkgofmt:
 vet:
 	go vet ./...
 
-# This all works fine with Go modules, but without modules,
-# CI is just getting latest master for dependencies like grpc.
 .PHONY: staticcheck
 staticcheck:
-	@go install honnef.co/go/tools/cmd/staticcheck@v0.0.1-2020.1.4
+	@go install honnef.co/go/tools/cmd/staticcheck@v0.4.3
 	staticcheck ./...
 
 .PHONY: ineffassign
@@ -56,23 +77,26 @@ ineffassign:
 
 .PHONY: predeclared
 predeclared:
-	@go install github.com/nishanths/predeclared@86fad755b4d3
+	@go install github.com/nishanths/predeclared@5f2f810c9ae6
-	predeclared .
+	predeclared ./...
 
 # Intentionally omitted from CI, but target here for ad-hoc reports.
 .PHONY: golint
 golint:
-	# TODO: pin version
+	@go install golang.org/x/lint/golint@v0.0.0-20210508222113-6edffad5e616
-	@go install golang.org/x/lint/golint@latest
 	golint -min_confidence 0.9 -set_exit_status ./...
 
 # Intentionally omitted from CI, but target here for ad-hoc reports.
 .PHONY: errcheck
 errcheck:
-	# TODO: pin version
+	@go install github.com/kisielk/errcheck@v1.2.0
-	@go install github.com/kisielk/errcheck@latest
 	errcheck ./...
 
 .PHONY: test
 test:
-	go test -race ./...
+	# The race detector requires CGO: https://github.com/golang/go/issues/6508
+	CGO_ENABLED=1 go test -race ./...
+
+.tmp/protoc/bin/protoc: ./Makefile ./download_protoc.sh
+	./download_protoc.sh
+

README.md

@@ -14,7 +14,7 @@ This program accepts messages using JSON encoding, which is much more friendly f
 humans and scripts.
 
 With this tool you can also browse the schema for gRPC services, either by querying
-a server that supports [server reflection](https://github.com/grpc/grpc/blob/master/src/proto/grpc/reflection/v1alpha/reflection.proto),
+a server that supports [server reflection](https://github.com/grpc/grpc/blob/master/src/proto/grpc/reflection/v1/reflection.proto),
 by reading proto source files, or by loading in compiled "protoset" files (files that contain
 encoded file [descriptor protos](https://github.com/google/protobuf/blob/master/src/google/protobuf/descriptor.proto)).
 In fact, the way the tool transforms JSON request data into a binary encoded protobuf
@@ -192,7 +192,7 @@ are needed to use them.
 
 ### Server Reflection
 
-Without any additional command-line flags, `grpcurl` will try to use [server reflection](https://github.com/grpc/grpc/blob/master/src/proto/grpc/reflection/v1alpha/reflection.proto).
+Without any additional command-line flags, `grpcurl` will try to use [server reflection](https://github.com/grpc/grpc/blob/master/src/proto/grpc/reflection/v1/reflection.proto).
 
 Examples for how to set up server reflection can be found [here](https://github.com/grpc/grpc/blob/master/doc/server-reflection.md#known-implementations).
 

cmd/grpcurl/go1_10.go

@@ -1,9 +0,0 @@
-// +build go1.10
-
-package main
-
-func indent() string {
-	// In Go 1.10 and up, the flag package automatically
-	// adds the right indentation.
-	return ""
-}

cmd/grpcurl/go1_9.go

@@ -1,9 +0,0 @@
-// +build !go1.10
-
-package main
-
-func indent() string {
-	// In Go 1.9 and older, we need to add indentation
-	// after newlines in the flag doc strings.
-	return "    \t"
-}

cmd/grpcurl/grpcurl.go

@@ -19,9 +19,9 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/credentials/alts"
 	"google.golang.org/grpc/keepalive"
 	"google.golang.org/grpc/metadata"
-	reflectpb "google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
 	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/types/descriptorpb"
 
@@ -33,14 +33,14 @@ import (
 	"github.com/fullstorydev/grpcurl"
 )
 
-// To avoid confusion between program error codes and the gRPC resonse
+// To avoid confusion between program error codes and the gRPC response
 // status codes 'Cancelled' and 'Unknown', 1 and 2 respectively,
-// the response status codes emitted use an offest of 64
+// the response status codes emitted use an offset of 64
 const statusCodeOffset = 64
 
-const no_version = "dev build <no version set>"
+const noVersion = "dev build <no version set>"
 
-var version = no_version
+var version = noVersion
 
 var (
 	exit = os.Exit
@@ -53,11 +53,14 @@ var (
 		Print usage instructions and exit.`))
 	printVersion = flags.Bool("version", false, prettify(`
 		Print version.`))
+
 	plaintext = flags.Bool("plaintext", false, prettify(`
 		Use plain-text HTTP/2 when connecting to server (no TLS).`))
 	insecure = flags.Bool("insecure", false, prettify(`
 		Skip server certificate and domain verification. (NOT SECURE!) Not
 		valid with -plaintext option.`))
+
+	// TLS Options
 	cacert = flags.String("cacert", "", prettify(`
 		File containing trusted root certificates for verifying the server.
 		Ignored if -insecure is specified.`))
@@ -67,6 +70,13 @@ var (
 	key = flags.String("key", "", prettify(`
 		File containing client private key, to present to the server. Not valid
 		with -plaintext option. Must also provide -cert option.`))
+
+	// ALTS Options
+	usealts = flags.Bool("alts", false, prettify(`
+		Use Application Layer Transport Security (ALTS) when connecting to server.`))
+	altsHandshakerServiceAddress = flags.String("alts-handshaker-service", "", prettify(`If set, this server will be used to do the ATLS handshaking.`))
+	altsTargetServiceAccounts    multiString
+
 	protoset      multiString
 	protoFiles    multiString
 	importPaths   multiString
@@ -87,7 +97,8 @@ var (
 		value of the ":authority" pseudo-header in the HTTP/2 protocol. When TLS
 		is used, this will also be used as the server name when verifying the
 		server's certificate. It defaults to the address that is provided in the
-		positional arguments.`))
+		positional arguments, or 'localhost' in the case of a unix domain
+		socket.`))
 	userAgent = flags.String("user-agent", "", prettify(`
 		If set, the specified value will be added to the User-Agent header set
 		by the grpc-go library.
@@ -123,9 +134,11 @@ var (
 		is received for this same period then the connection is closed and the
 		operation fails.`))
 	maxTime = flags.Float64("max-time", 0, prettify(`
-		The maximum total time the operation can take, in seconds. This is
+		The maximum total time the operation can take, in seconds. This sets a
-		useful for preventing batch jobs that use grpcurl from hanging due to
+                timeout on the gRPC context, allowing both client and server to give up
-		slow or bad network links or due to incorrect stream method usage.`))
+		after the deadline has past. This is useful for preventing batch jobs
+                that use grpcurl from hanging due to slow or bad network links or due
+		to incorrect stream method usage.`))
 	maxMsgSz = flags.Int("max-msg-sz", 0, prettify(`
 		The maximum encoded size of a response message, in bytes, that grpcurl
 		will accept. If not specified, defaults to 4,194,304 (4 megabytes).`))
@@ -143,7 +156,7 @@ var (
 	verbose = flags.Bool("v", false, prettify(`
 		Enable verbose output.`))
 	veryVerbose = flags.Bool("vv", false, prettify(`
-		Enable very verbose output.`))
+		Enable very verbose output (includes timing data).`))
 	serverName = flags.String("servername", "", prettify(`
 		Override server name when validating TLS certificate. This flag is
 		ignored if -plaintext or -insecure is used.
@@ -200,6 +213,14 @@ func init() {
 		-use-reflection is used in combination with a -proto or -protoset flag,
 		the provided descriptor sources will be used in addition to server
 		reflection to resolve messages and extensions.`))
+	flags.Var(&altsTargetServiceAccounts, "alts-target-service-account", prettify(`
+		The full email address of the service account that the server is
+		expected to be using when ALTS is used. You can specify this option
+		multiple times to indicate multiple allowed service accounts. If the
+		server authenticates with a service account that is not one of the
+		expected accounts, the RPC will not be issued. If no such arguments are
+		provided, no check will be performed, and the RPC will be issued
+		regardless of the server's service account.`))
 }
 
 type multiString []string
@@ -256,6 +277,32 @@ func (cs compositeSource) AllExtensionsForType(typeName string) ([]*desc.FieldDe
 	return exts, nil
 }
 
+type timingData struct {
+	Title  string
+	Start  time.Time
+	Value  time.Duration
+	Parent *timingData
+	Sub    []*timingData
+}
+
+func (d *timingData) Child(title string) *timingData {
+	if d == nil {
+		return nil
+	}
+	child := &timingData{Title: title, Start: time.Now()}
+	d.Sub = append(d.Sub, child)
+	return child
+}
+
+func (d *timingData) Done() {
+	if d == nil {
+		return
+	}
+	if d.Value == 0 {
+		d.Value = time.Since(d.Start)
+	}
+}
+
 func main() {
 	flags.Usage = usage
 	flags.Parse(os.Args[1:])
@@ -268,6 +315,9 @@ func main() {
 		os.Exit(0)
 	}
 
+	// default behavior is to use tls
+	usetls := !*plaintext && !*usealts
+
 	// Do extra validation on arguments and figure out what user asked us to do.
 	if *connectTimeout < 0 {
 		fail(nil, "The -connect-timeout argument must not be negative.")
@@ -281,18 +331,27 @@ func main() {
 	if *maxMsgSz < 0 {
 		fail(nil, "The -max-msg-sz argument must not be negative.")
 	}
-	if *plaintext && *insecure {
+	if *plaintext && *usealts {
-		fail(nil, "The -plaintext and -insecure arguments are mutually exclusive.")
+		fail(nil, "The -plaintext and -alts arguments are mutually exclusive.")
 	}
-	if *plaintext && *cert != "" {
+	if *insecure && !usetls {
-		fail(nil, "The -plaintext and -cert arguments are mutually exclusive.")
+		fail(nil, "The -insecure argument can only be used with TLS.")
 	}
-	if *plaintext && *key != "" {
+	if *cert != "" && !usetls {
-		fail(nil, "The -plaintext and -key arguments are mutually exclusive.")
+		fail(nil, "The -cert argument can only be used with TLS.")
+	}
+	if *key != "" && !usetls {
+		fail(nil, "The -key argument can only be used with TLS.")
 	}
 	if (*key == "") != (*cert == "") {
 		fail(nil, "The -cert and -key arguments must be used together and both be present.")
 	}
+	if *altsHandshakerServiceAddress != "" && !*usealts {
+		fail(nil, "The -alts-handshaker-service argument must be used with the -alts argument.")
+	}
+	if len(altsTargetServiceAccounts) > 0 && !*usealts {
+		fail(nil, "The -alts-target-service-account argument must be used with the -alts argument.")
+	}
 	if *format != "json" && *format != "text" {
 		fail(nil, "The -format option must be 'json' or 'text'.")
 	}
@@ -329,8 +388,16 @@ func main() {
 	if *verbose {
 		verbosityLevel = 1
 	}
+
+	var rootTiming *timingData
 	if *veryVerbose {
 		verbosityLevel = 2
+
+		rootTiming = &timingData{Title: "Timing Data", Start: time.Now()}
+		defer func() {
+			rootTiming.Done()
+			dumpTiming(rootTiming, 0)
+		}()
 	}
 
 	var symbol string
@@ -389,6 +456,8 @@ func main() {
 	}
 
 	dial := func() *grpc.ClientConn {
+		dialTiming := rootTiming.Child("Dial")
+		defer dialTiming.Done()
 		dialTime := 10 * time.Second
 		if *connectTimeout > 0 {
 			dialTime = time.Duration(*connectTimeout * float64(time.Second))
@@ -406,8 +475,31 @@ func main() {
 		if *maxMsgSz > 0 {
 			opts = append(opts, grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(*maxMsgSz)))
 		}
+		network := "tcp"
+		if isUnixSocket != nil && isUnixSocket() {
+			network = "unix"
+			if *authority == "" {
+				*authority = "localhost"
+			}
+		}
 		var creds credentials.TransportCredentials
-		if !*plaintext {
+		if *plaintext {
+			if *authority != "" {
+				opts = append(opts, grpc.WithAuthority(*authority))
+			}
+		} else if *usealts {
+			clientOptions := alts.DefaultClientOptions()
+			if len(altsTargetServiceAccounts) > 0 {
+				clientOptions.TargetServiceAccounts = altsTargetServiceAccounts
+			}
+			if *altsHandshakerServiceAddress != "" {
+				clientOptions.HandshakerServiceAddress = *altsHandshakerServiceAddress
+			}
+			creds = alts.NewClientCreds(clientOptions)
+		} else if usetls {
+			tlsTiming := dialTiming.Child("TLS Setup")
+			defer tlsTiming.Done()
+
 			tlsConf, err := grpcurl.ClientTLSConfig(*insecure, *cacert, *cert, *key)
 			if err != nil {
 				fail(err, "Failed to create TLS config")
@@ -440,12 +532,13 @@ func main() {
 			if overrideName != "" {
 				opts = append(opts, grpc.WithAuthority(overrideName))
 			}
-		} else if *authority != "" {
+			tlsTiming.Done()
-			opts = append(opts, grpc.WithAuthority(*authority))
+		} else {
+			panic("Should have defaulted to use TLS.")
 		}
 
 		grpcurlUA := "grpcurl/" + version
-		if version == no_version {
+		if version == noVersion {
 			grpcurlUA = "grpcurl/dev-build (no version set)"
 		}
 		if *userAgent != "" {
@@ -453,10 +546,8 @@ func main() {
 		}
 		opts = append(opts, grpc.WithUserAgent(grpcurlUA))
 
-		network := "tcp"
+		blockingDialTiming := dialTiming.Child("BlockingDial")
-		if isUnixSocket != nil && isUnixSocket() {
+		defer blockingDialTiming.Done()
-			network = "unix"
-		}
 		cc, err := grpcurl.BlockingDial(ctx, network, target, creds, opts...)
 		if err != nil {
 			fail(err, "Failed to dial target host %q", target)
@@ -508,7 +599,8 @@ func main() {
 		md := grpcurl.MetadataFromHeaders(append(addlHeaders, reflHeaders...))
 		refCtx := metadata.NewOutgoingContext(ctx, md)
 		cc = dial()
-		refClient = grpcreflect.NewClient(refCtx, reflectpb.NewServerReflectionClient(cc))
+		refClient = grpcreflect.NewClientAuto(refCtx, cc)
+		refClient.AllowMissingFileDescriptors()
 		reflSource := grpcurl.DescriptorSourceFromServer(ctx, refClient)
 		if fileSource != nil {
 			descSource = compositeSource{reflSource, fileSource}
@@ -704,7 +796,9 @@ func main() {
 			VerbosityLevel: verbosityLevel,
 		}
 
+		invokeTiming := rootTiming.Child("InvokeRPC")
 		err = grpcurl.InvokeRPC(ctx, descSource, cc, symbol, append(addlHeaders, rpcHeaders...), h, rf.Next)
+		invokeTiming.Done()
 		if err != nil {
 			if errStatus, ok := status.FromError(err); ok && *formatError {
 				h.Status = errStatus
@@ -735,6 +829,17 @@ func main() {
 	}
 }
 
+func dumpTiming(td *timingData, lvl int) {
+	ind := ""
+	for x := 0; x < lvl; x++ {
+		ind += "  "
+	}
+	fmt.Printf("%s%s: %s\n", ind, td.Title, td.Value)
+	for _, sd := range td.Sub {
+		dumpTiming(sd, lvl+1)
+	}
+}
+
 func usage() {
 	fmt.Fprintf(os.Stderr, `Usage:
 	%s [flags] [address] [list|describe] [symbol]
@@ -782,7 +887,7 @@ func prettify(docString string) string {
 		j++
 	}
 
-	return strings.Join(parts[:j], "\n"+indent())
+	return strings.Join(parts[:j], "\n")
 }
 
 func warn(msg string, args ...interface{}) {

cmd/grpcurl/unix.go

@@ -1,3 +1,4 @@
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows
 // +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
 
 package main

desc_source.go

@@ -5,7 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
+	"os"
 	"sync"
 
 	"github.com/golang/protobuf/proto" //lint:ignore SA1019 we have to import this because it appears in exported API
@@ -41,7 +41,7 @@ type DescriptorSource interface {
 func DescriptorSourceFromProtoSets(fileNames ...string) (DescriptorSource, error) {
 	files := &descriptorpb.FileDescriptorSet{}
 	for _, fileName := range fileNames {
-		b, err := ioutil.ReadFile(fileName)
+		b, err := os.ReadFile(fileName)
 		if err != nil {
 			return nil, fmt.Errorf("could not load protoset file %q: %v", fileName, err)
 		}

desc_source_test.go

@@ -2,7 +2,7 @@ package grpcurl
 
 import (
 	"bytes"
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/golang/protobuf/proto" //lint:ignore SA1019 we have to import this because it appears in exported API
@@ -34,7 +34,7 @@ func TestWriteProtoset(t *testing.T) {
 }
 
 func loadProtoset(path string) (*descriptorpb.FileDescriptorSet, error) {
-	b, err := ioutil.ReadFile(path)
+	b, err := os.ReadFile(path)
 	if err != nil {
 		return nil, err
 	}

download_protoc.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+set -e
+
+cd $(dirname $0)
+
+if [[ -z "$PROTOC_VERSION" ]]; then
+  echo "Set PROTOC_VERSION env var to indicate the version to download" >&2
+  exit 1
+fi
+PROTOC_OS="$(uname -s)"
+PROTOC_ARCH="$(uname -m)"
+case "${PROTOC_OS}" in
+  Darwin) PROTOC_OS="osx" ;;
+  Linux) PROTOC_OS="linux" ;;
+  *)
+    echo "Invalid value for uname -s: ${PROTOC_OS}" >&2
+    exit 1
+esac
+
+# This is for macs with M1 chips. Precompiled binaries for osx/amd64 are not available for download, so for that case
+# we download the x86_64 version instead. This will work as long as rosetta2 is installed.
+if [ "$PROTOC_OS" = "osx" ] && [ "$PROTOC_ARCH" = "arm64" ]; then
+  PROTOC_ARCH="x86_64"
+fi
+
+PROTOC="${PWD}/.tmp/protoc/bin/protoc"
+
+if [[ "$(${PROTOC} --version 2>/dev/null)" != "libprotoc 3.${PROTOC_VERSION}" ]]; then
+  rm -rf ./.tmp/protoc
+  mkdir -p .tmp/protoc
+  curl -L "https://github.com/google/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-${PROTOC_OS}-${PROTOC_ARCH}.zip" > .tmp/protoc/protoc.zip
+  pushd ./.tmp/protoc && unzip protoc.zip && popd
+fi
+

format.go

@@ -136,10 +136,25 @@ type Formatter func(proto.Message) (string, error)
 func NewJSONFormatter(emitDefaults bool, resolver jsonpb.AnyResolver) Formatter {
 	marshaler := jsonpb.Marshaler{
 		EmitDefaults: emitDefaults,
-		Indent:       "  ",
 		AnyResolver:  resolver,
 	}
-	return marshaler.MarshalToString
+	// Workaround for indentation issue in jsonpb with Any messages.
+	// Bug was originally fixed in https://github.com/golang/protobuf/pull/834
+	// but later re-introduced before the module was deprecated and frozen.
+	// If jsonpb is ever replaced with google.golang.org/protobuf/encoding/protojson
+	// this workaround will no longer be needed.
+	formatter := func(message proto.Message) (string, error) {
+		output, err := marshaler.MarshalToString(message)
+		if err != nil {
+			return "", err
+		}
+		var buf bytes.Buffer
+		if err := json.Indent(&buf, []byte(output), "", "  "); err != nil {
+			return "", err
+		}
+		return buf.String(), nil
+	}
+	return formatter
 }
 
 // NewTextFormatter returns a formatter that returns strings in the protobuf
@@ -197,10 +212,20 @@ func (tf *textFormatter) format(m proto.Message) (string, error) {
 	return str, nil
 }
 
+// Format of request data. The allowed values are 'json' or 'text'.
 type Format string
 
 const (
+	// FormatJSON specifies input data in JSON format. Multiple request values
+	// may be concatenated (messages with a JSON representation other than
+	// object must be separated by whitespace, such as a newline)
 	FormatJSON = Format("json")
+
+	// FormatText specifies input data must be in the protobuf text format.
+	// Multiple request values must be separated by the "record separator"
+	// ASCII character: 0x1E. The stream should not end in a record separator.
+	// If it does, it will be interpreted as a final, blank message after the
+	// separator.
 	FormatText = Format("text")
 )
 
@@ -264,11 +289,11 @@ func (r *anyResolver) Resolve(typeUrl string) (proto.Message, error) {
 	if !ok {
 		return nil, fmt.Errorf("unknown message: %s", typeUrl)
 	}
-	// populate any extensions for this message, too
+	// populate any extensions for this message, too (if there are any)
-	if exts, err := r.source.AllExtensionsForType(mname); err != nil {
+	if exts, err := r.source.AllExtensionsForType(mname); err == nil {
-		return nil, err
+		if err := r.er.AddExtension(exts...); err != nil {
-	} else if err := r.er.AddExtension(exts...); err != nil {
+			return nil, err
-		return nil, err
+		}
 	}
 
 	if r.mf == nil {

go.mod

@@ -1,13 +1,31 @@
 module github.com/fullstorydev/grpcurl
 
-go 1.15
+go 1.19
 
 require (
-	cloud.google.com/go v0.56.0 // indirect
+	github.com/golang/protobuf v1.5.4
-	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/jhump/protoreflect v1.16.0
-	github.com/golang/protobuf v1.5.2
+	google.golang.org/grpc v1.61.0
-	github.com/jhump/protoreflect v1.12.0
+	google.golang.org/protobuf v1.33.1-0.20240408130810-98873a205002
-	golang.org/x/text v0.3.7 // indirect
+)
-	google.golang.org/grpc v1.48.0
+
-	google.golang.org/protobuf v1.28.1
+require (
+	cloud.google.com/go/compute v1.23.3 // indirect
+	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	github.com/bufbuild/protocompile v0.10.0 // indirect
+	github.com/census-instrumentation/opencensus-proto v0.4.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cncf/udpa/go v0.0.0-20220112060539-c52dc94e7fbe // indirect
+	github.com/cncf/xds/go v0.0.0-20231109132714-523115ebc101 // indirect
+	github.com/envoyproxy/go-control-plane v0.11.1 // indirect
+	github.com/envoyproxy/protoc-gen-validate v1.0.2 // indirect
+	golang.org/x/net v0.22.0 // indirect
+	golang.org/x/oauth2 v0.14.0 // indirect
+	golang.org/x/sync v0.6.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	google.golang.org/appengine v1.6.8 // indirect
+	google.golang.org/genproto v0.0.0-20231106174013-bbf56f31fb17 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20231106174013-bbf56f31fb17 // indirect
 )

go.sum

@@ -1,358 +1,118 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go/compute v1.23.3 h1:6sVlXXBmbd7jNX0Ipq0trII3e4n1/MsADLK6a+aiVlk=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go/compute v1.23.3/go.mod h1:VCgBUoMnIVIR0CscqQiPJLAG25E3ZRZMzcFZeQ+h8CI=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.56.0 h1:WRz29PgAsVEyPSDHyk+0fpEkwEFyfhHn+JbksT6gIL4=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
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 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
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 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
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 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
-google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
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-google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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-google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 h1:JpwMPBpFN3uKhdaekDpiNlImDdkUAyiJ6ez/uxGaUSo=
-google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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-google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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-google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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-google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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-google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
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 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
-google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.61.0 h1:TOvOcuXn30kRao+gfcvsebNEa5iZIiLkisYEkf7R7o0=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
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-google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
-google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
-google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.48.0 h1:rQOsyJ/8+ufEDJd/Gdsz7HG220Mh9HAhFHRGnIjda0w=
-google.golang.org/grpc v1.48.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
-google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
-google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
-google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
-google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
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-google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
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-gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
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-honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

grpcurl.go

@@ -14,7 +14,6 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"net"
 	"os"
 	"regexp"
@@ -28,6 +27,7 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/credentials/insecure"
+	xdsCredentials "google.golang.org/grpc/credentials/xds"
 	"google.golang.org/grpc/metadata"
 	protov2 "google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/descriptorpb"
@@ -329,7 +329,7 @@ func fetchAllExtensions(source DescriptorSource, ext *dynamic.ExtensionRegistry,
 	return nil
 }
 
-// fullConvertToDynamic attempts to convert the given message to a dynamic message as well
+// fullyConvertToDynamic attempts to convert the given message to a dynamic message as well
 // as any nested messages it may contain as field values. If the given message factory has
 // extensions registered that were not known when the given message was parsed, this effectively
 // allows re-parsing to identify those extensions.
@@ -407,9 +407,9 @@ func makeTemplate(md *desc.MessageDescriptor, path []*desc.MessageDescriptor) pr
 	case "google.protobuf.Any":
 		// empty type URL is not allowed by JSON representation
 		// so we must give it a dummy type
-		var any anypb.Any
+		var anyVal anypb.Any
-		_ = anypb.MarshalFrom(&any, &emptypb.Empty{}, protov2.MarshalOptions{})
+		_ = anypb.MarshalFrom(&anyVal, &emptypb.Empty{}, protov2.MarshalOptions{})
-		return &any
+		return &anyVal
 	case "google.protobuf.Value":
 		// unset kind is not allowed by JSON representation
 		// so we must give it something
@@ -544,7 +544,7 @@ func ClientTLSConfig(insecureSkipVerify bool, cacertFile, clientCertFile, client
 	} else if cacertFile != "" {
 		// Create a certificate pool from the certificate authority
 		certPool := x509.NewCertPool()
-		ca, err := ioutil.ReadFile(cacertFile)
+		ca, err := os.ReadFile(cacertFile)
 		if err != nil {
 			return nil, fmt.Errorf("could not read ca certificate: %v", err)
 		}
@@ -581,7 +581,7 @@ func ServerTransportCredentials(cacertFile, serverCertFile, serverKeyFile string
 	if cacertFile != "" {
 		// Create a certificate pool from the certificate authority
 		certPool := x509.NewCertPool()
-		ca, err := ioutil.ReadFile(cacertFile)
+		ca, err := os.ReadFile(cacertFile)
 		if err != nil {
 			return nil, fmt.Errorf("could not read ca certificate: %v", err)
 		}
@@ -609,6 +609,21 @@ func ServerTransportCredentials(cacertFile, serverCertFile, serverKeyFile string
 // and blocking until the returned connection is ready. If the given credentials are nil, the
 // connection will be insecure (plain-text).
 func BlockingDial(ctx context.Context, network, address string, creds credentials.TransportCredentials, opts ...grpc.DialOption) (*grpc.ClientConn, error) {
+	if creds == nil {
+		creds = insecure.NewCredentials()
+	}
+
+	var err error
+	if strings.HasPrefix(address, "xds:///") {
+		// The xds:/// prefix is used to signal to the gRPC client to use an xDS server to resolve the
+		// target. The relevant credentials will be automatically pulled from the GRPC_XDS_BOOTSTRAP or
+		// GRPC_XDS_BOOTSTRAP_CONFIG env vars.
+		creds, err = xdsCredentials.NewClientCredentials(xdsCredentials.ClientOptions{FallbackCreds: creds})
+		if err != nil {
+			return nil, err
+		}
+	}
+
 	// grpc.Dial doesn't provide any information on permanent connection errors (like
 	// TLS handshake failures). So in order to provide good error messages, we need a
 	// custom dialer that can provide that info. That means we manage the TLS handshake.
@@ -624,12 +639,11 @@ func BlockingDial(ctx context.Context, network, address string, creds credential
 
 	// custom credentials and dialer will notify on error via the
 	// writeResult function
-	if creds != nil {
+	creds = &errSignalingCreds{
-		creds = &errSignalingCreds{
+		TransportCredentials: creds,
-			TransportCredentials: creds,
+		writeResult:          writeResult,
-			writeResult:          writeResult,
-		}
 	}
+
 	dialer := func(ctx context.Context, address string) (net.Conn, error) {
 		// NB: We *could* handle the TLS handshake ourselves, in the custom
 		// dialer (instead of customizing both the dialer and the credentials).
@@ -655,13 +669,8 @@ func BlockingDial(ctx context.Context, network, address string, creds credential
 		opts = append([]grpc.DialOption{grpc.FailOnNonTempDialError(true)}, opts...)
 		// But we don't want caller to be able to override these two, so we put
 		// them *after* the explicitly provided options.
-		opts = append(opts, grpc.WithBlock(), grpc.WithContextDialer(dialer))
+		opts = append(opts, grpc.WithBlock(), grpc.WithContextDialer(dialer), grpc.WithTransportCredentials(creds))
 
-		if creds == nil {
-			opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()))
-		} else {
-			opts = append(opts, grpc.WithTransportCredentials(creds))
-		}
 		conn, err := grpc.DialContext(ctx, address, opts...)
 		var res interface{}
 		if err != nil {

grpcurl_test.go

@@ -21,7 +21,6 @@ import (
 	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/reflection"
-	reflectpb "google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
 	"google.golang.org/grpc/status"
 
 	. "github.com/fullstorydev/grpcurl"
@@ -82,7 +81,7 @@ func TestMain(m *testing.M) {
 		panic(err)
 	}
 	defer ccReflect.Close()
-	refClient := grpcreflect.NewClient(context.Background(), reflectpb.NewServerReflectionClient(ccReflect))
+	refClient := grpcreflect.NewClientAuto(context.Background(), ccReflect)
 	defer refClient.Reset()
 
 	sourceReflect = DescriptorSourceFromServer(context.Background(), refClient)
@@ -118,7 +117,7 @@ func TestMain(m *testing.M) {
 }
 
 func TestServerDoesNotSupportReflection(t *testing.T) {
-	refClient := grpcreflect.NewClient(context.Background(), reflectpb.NewServerReflectionClient(ccNoReflect))
+	refClient := grpcreflect.NewClientAuto(context.Background(), ccNoReflect)
 	defer refClient.Reset()
 
 	refSource := DescriptorSourceFromServer(context.Background(), refClient)
@@ -178,7 +177,7 @@ func doTestListServices(t *testing.T, source DescriptorSource, includeReflection
 	var expected []string
 	if includeReflection {
 		// when using server reflection, we see the TestService as well as the ServerReflection service
-		expected = []string{"grpc.reflection.v1alpha.ServerReflection", "testing.TestService"}
+		expected = []string{"grpc.reflection.v1.ServerReflection", "grpc.reflection.v1alpha.ServerReflection", "testing.TestService"}
 	} else {
 		// without reflection, we see all services defined in the same test.proto file, which is the
 		// TestService as well as UnimplementedService
@@ -216,11 +215,11 @@ func doTestListMethods(t *testing.T, source DescriptorSource, includeReflection
 
 	if includeReflection {
 		// when using server reflection, we see the TestService as well as the ServerReflection service
-		names, err = ListMethods(source, "grpc.reflection.v1alpha.ServerReflection")
+		names, err = ListMethods(source, "grpc.reflection.v1.ServerReflection")
 		if err != nil {
 			t.Fatalf("failed to list methods for ServerReflection: %v", err)
 		}
-		expected = []string{"grpc.reflection.v1alpha.ServerReflection.ServerReflectionInfo"}
+		expected = []string{"grpc.reflection.v1.ServerReflection.ServerReflectionInfo"}
 	} else {
 		// without reflection, we see all services defined in the same test.proto file, which is the
 		// TestService as well as UnimplementedService
@@ -243,12 +242,8 @@ func doTestListMethods(t *testing.T, source DescriptorSource, includeReflection
 
 func TestGetAllFiles(t *testing.T) {
 	expectedFiles := []string{"test.proto"}
-	// server reflection picks up filename from linked in Go package,
+	expectedFilesWithReflection := []string{
-	// which indicates "grpc_testing/test.proto", not our local copy.
+		"grpc/reflection/v1/reflection.proto", "grpc/reflection/v1alpha/reflection.proto", "test.proto",
-	expectedFilesWithReflection := [][]string{
-		{"grpc_reflection_v1alpha/reflection.proto", "test.proto"},
-		// depending on the version of grpc, the filenames could be prefixed with "interop/" and "reflection/"
-		{"reflection/grpc_reflection_v1alpha/reflection.proto", "test.proto"},
 	}
 
 	for _, ds := range descSources {
@@ -261,17 +256,11 @@ func TestGetAllFiles(t *testing.T) {
 			match := false
 			var expected []string
 			if ds.includeRefl {
-				for _, expectedNames := range expectedFilesWithReflection {
+				expected = expectedFilesWithReflection
-					expected = expectedNames
-					if reflect.DeepEqual(expected, names) {
-						match = true
-						break
-					}
-				}
 			} else {
 				expected = expectedFiles
-				match = reflect.DeepEqual(expected, names)
 			}
+			match = reflect.DeepEqual(expected, names)
 			if !match {
 				t.Errorf("GetAllFiles returned wrong results: wanted %v, got %v", expected, names)
 			}

internal/testing/cmd/bankdemo/bank.go

@@ -12,6 +12,7 @@ import (
 
 // bankServer implements the Bank gRPC service.
 type bankServer struct {
+	UnimplementedBankServer
 	allAccounts *accounts
 }
 

internal/testing/cmd/bankdemo/bank.pb.go

@@ -1,17 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.25.0-devel
-// 	protoc        v3.14.0
+// 	protoc        v4.22.0
 // source: bank.proto
 
 package main
 
 import (
-	context "context"
 	proto "github.com/golang/protobuf/proto"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
@@ -696,10 +692,12 @@ type TransferRequest struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Types that are assignable to Source:
+	//
 	//	*TransferRequest_SourceAccountNumber
 	//	*TransferRequest_ExternalSource
 	Source isTransferRequest_Source `protobuf_oneof:"source"`
 	// Types that are assignable to Dest:
+	//
 	//	*TransferRequest_DestAccountNumber
 	//	*TransferRequest_ExternalDest
 	Dest        isTransferRequest_Dest `protobuf_oneof:"dest"`
@@ -1347,355 +1345,3 @@ func file_bank_proto_init() {
 	file_bank_proto_goTypes = nil
 	file_bank_proto_depIdxs = nil
 }
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ grpc.ClientConnInterface
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-const _ = grpc.SupportPackageIsVersion6
-
-// BankClient is the client API for Bank service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type BankClient interface {
-	// OpenAccount creates an account with the type and given initial deposit
-	// as its balance.
-	OpenAccount(ctx context.Context, in *OpenAccountRequest, opts ...grpc.CallOption) (*Account, error)
-	// CloseAccount closes the indicated account. An account can only be
-	// closed if its balance is zero.
-	CloseAccount(ctx context.Context, in *CloseAccountRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
-	// GetAccounts lists all accounts for the current customer.
-	GetAccounts(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*GetAccountsResponse, error)
-	// GetTransactions streams all transactions that match the given criteria.
-	// If the given start date is not specified, transactions since beginning
-	// of time are included. Similarly, if the given end date is not specified,
-	// transactions all the way to the presnet are included.
-	GetTransactions(ctx context.Context, in *GetTransactionsRequest, opts ...grpc.CallOption) (Bank_GetTransactionsClient, error)
-	// Deposit increases the balance of an account by depositing funds into it.
-	Deposit(ctx context.Context, in *DepositRequest, opts ...grpc.CallOption) (*BalanceResponse, error)
-	// Withdraw decreases the balance of an account by withdrawing funds from it.
-	Withdraw(ctx context.Context, in *WithdrawRequest, opts ...grpc.CallOption) (*BalanceResponse, error)
-	// Transfer moves money from one account to another. The source and destination
-	// accounts can be with this bank (e.g. "local" account numbers) or can be
-	// external accounts, identified by their ACH routing and account numbers.
-	Transfer(ctx context.Context, in *TransferRequest, opts ...grpc.CallOption) (*TransferResponse, error)
-}
-
-type bankClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewBankClient(cc grpc.ClientConnInterface) BankClient {
-	return &bankClient{cc}
-}
-
-func (c *bankClient) OpenAccount(ctx context.Context, in *OpenAccountRequest, opts ...grpc.CallOption) (*Account, error) {
-	out := new(Account)
-	err := c.cc.Invoke(ctx, "/Bank/OpenAccount", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *bankClient) CloseAccount(ctx context.Context, in *CloseAccountRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
-	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/Bank/CloseAccount", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *bankClient) GetAccounts(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*GetAccountsResponse, error) {
-	out := new(GetAccountsResponse)
-	err := c.cc.Invoke(ctx, "/Bank/GetAccounts", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *bankClient) GetTransactions(ctx context.Context, in *GetTransactionsRequest, opts ...grpc.CallOption) (Bank_GetTransactionsClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_Bank_serviceDesc.Streams[0], "/Bank/GetTransactions", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &bankGetTransactionsClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type Bank_GetTransactionsClient interface {
-	Recv() (*Transaction, error)
-	grpc.ClientStream
-}
-
-type bankGetTransactionsClient struct {
-	grpc.ClientStream
-}
-
-func (x *bankGetTransactionsClient) Recv() (*Transaction, error) {
-	m := new(Transaction)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *bankClient) Deposit(ctx context.Context, in *DepositRequest, opts ...grpc.CallOption) (*BalanceResponse, error) {
-	out := new(BalanceResponse)
-	err := c.cc.Invoke(ctx, "/Bank/Deposit", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *bankClient) Withdraw(ctx context.Context, in *WithdrawRequest, opts ...grpc.CallOption) (*BalanceResponse, error) {
-	out := new(BalanceResponse)
-	err := c.cc.Invoke(ctx, "/Bank/Withdraw", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *bankClient) Transfer(ctx context.Context, in *TransferRequest, opts ...grpc.CallOption) (*TransferResponse, error) {
-	out := new(TransferResponse)
-	err := c.cc.Invoke(ctx, "/Bank/Transfer", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// BankServer is the server API for Bank service.
-type BankServer interface {
-	// OpenAccount creates an account with the type and given initial deposit
-	// as its balance.
-	OpenAccount(context.Context, *OpenAccountRequest) (*Account, error)
-	// CloseAccount closes the indicated account. An account can only be
-	// closed if its balance is zero.
-	CloseAccount(context.Context, *CloseAccountRequest) (*emptypb.Empty, error)
-	// GetAccounts lists all accounts for the current customer.
-	GetAccounts(context.Context, *emptypb.Empty) (*GetAccountsResponse, error)
-	// GetTransactions streams all transactions that match the given criteria.
-	// If the given start date is not specified, transactions since beginning
-	// of time are included. Similarly, if the given end date is not specified,
-	// transactions all the way to the presnet are included.
-	GetTransactions(*GetTransactionsRequest, Bank_GetTransactionsServer) error
-	// Deposit increases the balance of an account by depositing funds into it.
-	Deposit(context.Context, *DepositRequest) (*BalanceResponse, error)
-	// Withdraw decreases the balance of an account by withdrawing funds from it.
-	Withdraw(context.Context, *WithdrawRequest) (*BalanceResponse, error)
-	// Transfer moves money from one account to another. The source and destination
-	// accounts can be with this bank (e.g. "local" account numbers) or can be
-	// external accounts, identified by their ACH routing and account numbers.
-	Transfer(context.Context, *TransferRequest) (*TransferResponse, error)
-}
-
-// UnimplementedBankServer can be embedded to have forward compatible implementations.
-type UnimplementedBankServer struct {
-}
-
-func (*UnimplementedBankServer) OpenAccount(context.Context, *OpenAccountRequest) (*Account, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method OpenAccount not implemented")
-}
-func (*UnimplementedBankServer) CloseAccount(context.Context, *CloseAccountRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method CloseAccount not implemented")
-}
-func (*UnimplementedBankServer) GetAccounts(context.Context, *emptypb.Empty) (*GetAccountsResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method GetAccounts not implemented")
-}
-func (*UnimplementedBankServer) GetTransactions(*GetTransactionsRequest, Bank_GetTransactionsServer) error {
-	return status.Errorf(codes.Unimplemented, "method GetTransactions not implemented")
-}
-func (*UnimplementedBankServer) Deposit(context.Context, *DepositRequest) (*BalanceResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Deposit not implemented")
-}
-func (*UnimplementedBankServer) Withdraw(context.Context, *WithdrawRequest) (*BalanceResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Withdraw not implemented")
-}
-func (*UnimplementedBankServer) Transfer(context.Context, *TransferRequest) (*TransferResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Transfer not implemented")
-}
-
-func RegisterBankServer(s *grpc.Server, srv BankServer) {
-	s.RegisterService(&_Bank_serviceDesc, srv)
-}
-
-func _Bank_OpenAccount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(OpenAccountRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(BankServer).OpenAccount(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/Bank/OpenAccount",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BankServer).OpenAccount(ctx, req.(*OpenAccountRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Bank_CloseAccount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CloseAccountRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(BankServer).CloseAccount(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/Bank/CloseAccount",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BankServer).CloseAccount(ctx, req.(*CloseAccountRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Bank_GetAccounts_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(emptypb.Empty)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(BankServer).GetAccounts(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/Bank/GetAccounts",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BankServer).GetAccounts(ctx, req.(*emptypb.Empty))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Bank_GetTransactions_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(GetTransactionsRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(BankServer).GetTransactions(m, &bankGetTransactionsServer{stream})
-}
-
-type Bank_GetTransactionsServer interface {
-	Send(*Transaction) error
-	grpc.ServerStream
-}
-
-type bankGetTransactionsServer struct {
-	grpc.ServerStream
-}
-
-func (x *bankGetTransactionsServer) Send(m *Transaction) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _Bank_Deposit_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DepositRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(BankServer).Deposit(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/Bank/Deposit",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BankServer).Deposit(ctx, req.(*DepositRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Bank_Withdraw_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(WithdrawRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(BankServer).Withdraw(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/Bank/Withdraw",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BankServer).Withdraw(ctx, req.(*WithdrawRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Bank_Transfer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(TransferRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(BankServer).Transfer(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/Bank/Transfer",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BankServer).Transfer(ctx, req.(*TransferRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _Bank_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "Bank",
-	HandlerType: (*BankServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "OpenAccount",
-			Handler:    _Bank_OpenAccount_Handler,
-		},
-		{
-			MethodName: "CloseAccount",
-			Handler:    _Bank_CloseAccount_Handler,
-		},
-		{
-			MethodName: "GetAccounts",
-			Handler:    _Bank_GetAccounts_Handler,
-		},
-		{
-			MethodName: "Deposit",
-			Handler:    _Bank_Deposit_Handler,
-		},
-		{
-			MethodName: "Withdraw",
-			Handler:    _Bank_Withdraw_Handler,
-		},
-		{
-			MethodName: "Transfer",
-			Handler:    _Bank_Transfer_Handler,
-		},
-	},
-	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "GetTransactions",
-			Handler:       _Bank_GetTransactions_Handler,
-			ServerStreams: true,
-		},
-	},
-	Metadata: "bank.proto",
-}

internal/testing/cmd/bankdemo/bank_grpc.pb.go

@@ -0,0 +1,374 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package main
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// BankClient is the client API for Bank service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type BankClient interface {
+	// OpenAccount creates an account with the type and given initial deposit
+	// as its balance.
+	OpenAccount(ctx context.Context, in *OpenAccountRequest, opts ...grpc.CallOption) (*Account, error)
+	// CloseAccount closes the indicated account. An account can only be
+	// closed if its balance is zero.
+	CloseAccount(ctx context.Context, in *CloseAccountRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// GetAccounts lists all accounts for the current customer.
+	GetAccounts(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*GetAccountsResponse, error)
+	// GetTransactions streams all transactions that match the given criteria.
+	// If the given start date is not specified, transactions since beginning
+	// of time are included. Similarly, if the given end date is not specified,
+	// transactions all the way to the presnet are included.
+	GetTransactions(ctx context.Context, in *GetTransactionsRequest, opts ...grpc.CallOption) (Bank_GetTransactionsClient, error)
+	// Deposit increases the balance of an account by depositing funds into it.
+	Deposit(ctx context.Context, in *DepositRequest, opts ...grpc.CallOption) (*BalanceResponse, error)
+	// Withdraw decreases the balance of an account by withdrawing funds from it.
+	Withdraw(ctx context.Context, in *WithdrawRequest, opts ...grpc.CallOption) (*BalanceResponse, error)
+	// Transfer moves money from one account to another. The source and destination
+	// accounts can be with this bank (e.g. "local" account numbers) or can be
+	// external accounts, identified by their ACH routing and account numbers.
+	Transfer(ctx context.Context, in *TransferRequest, opts ...grpc.CallOption) (*TransferResponse, error)
+}
+
+type bankClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewBankClient(cc grpc.ClientConnInterface) BankClient {
+	return &bankClient{cc}
+}
+
+func (c *bankClient) OpenAccount(ctx context.Context, in *OpenAccountRequest, opts ...grpc.CallOption) (*Account, error) {
+	out := new(Account)
+	err := c.cc.Invoke(ctx, "/Bank/OpenAccount", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *bankClient) CloseAccount(ctx context.Context, in *CloseAccountRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/Bank/CloseAccount", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *bankClient) GetAccounts(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*GetAccountsResponse, error) {
+	out := new(GetAccountsResponse)
+	err := c.cc.Invoke(ctx, "/Bank/GetAccounts", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *bankClient) GetTransactions(ctx context.Context, in *GetTransactionsRequest, opts ...grpc.CallOption) (Bank_GetTransactionsClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Bank_ServiceDesc.Streams[0], "/Bank/GetTransactions", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &bankGetTransactionsClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type Bank_GetTransactionsClient interface {
+	Recv() (*Transaction, error)
+	grpc.ClientStream
+}
+
+type bankGetTransactionsClient struct {
+	grpc.ClientStream
+}
+
+func (x *bankGetTransactionsClient) Recv() (*Transaction, error) {
+	m := new(Transaction)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *bankClient) Deposit(ctx context.Context, in *DepositRequest, opts ...grpc.CallOption) (*BalanceResponse, error) {
+	out := new(BalanceResponse)
+	err := c.cc.Invoke(ctx, "/Bank/Deposit", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *bankClient) Withdraw(ctx context.Context, in *WithdrawRequest, opts ...grpc.CallOption) (*BalanceResponse, error) {
+	out := new(BalanceResponse)
+	err := c.cc.Invoke(ctx, "/Bank/Withdraw", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *bankClient) Transfer(ctx context.Context, in *TransferRequest, opts ...grpc.CallOption) (*TransferResponse, error) {
+	out := new(TransferResponse)
+	err := c.cc.Invoke(ctx, "/Bank/Transfer", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// BankServer is the server API for Bank service.
+// All implementations must embed UnimplementedBankServer
+// for forward compatibility
+type BankServer interface {
+	// OpenAccount creates an account with the type and given initial deposit
+	// as its balance.
+	OpenAccount(context.Context, *OpenAccountRequest) (*Account, error)
+	// CloseAccount closes the indicated account. An account can only be
+	// closed if its balance is zero.
+	CloseAccount(context.Context, *CloseAccountRequest) (*emptypb.Empty, error)
+	// GetAccounts lists all accounts for the current customer.
+	GetAccounts(context.Context, *emptypb.Empty) (*GetAccountsResponse, error)
+	// GetTransactions streams all transactions that match the given criteria.
+	// If the given start date is not specified, transactions since beginning
+	// of time are included. Similarly, if the given end date is not specified,
+	// transactions all the way to the presnet are included.
+	GetTransactions(*GetTransactionsRequest, Bank_GetTransactionsServer) error
+	// Deposit increases the balance of an account by depositing funds into it.
+	Deposit(context.Context, *DepositRequest) (*BalanceResponse, error)
+	// Withdraw decreases the balance of an account by withdrawing funds from it.
+	Withdraw(context.Context, *WithdrawRequest) (*BalanceResponse, error)
+	// Transfer moves money from one account to another. The source and destination
+	// accounts can be with this bank (e.g. "local" account numbers) or can be
+	// external accounts, identified by their ACH routing and account numbers.
+	Transfer(context.Context, *TransferRequest) (*TransferResponse, error)
+	mustEmbedUnimplementedBankServer()
+}
+
+// UnimplementedBankServer must be embedded to have forward compatible implementations.
+type UnimplementedBankServer struct {
+}
+
+func (UnimplementedBankServer) OpenAccount(context.Context, *OpenAccountRequest) (*Account, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method OpenAccount not implemented")
+}
+func (UnimplementedBankServer) CloseAccount(context.Context, *CloseAccountRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CloseAccount not implemented")
+}
+func (UnimplementedBankServer) GetAccounts(context.Context, *emptypb.Empty) (*GetAccountsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetAccounts not implemented")
+}
+func (UnimplementedBankServer) GetTransactions(*GetTransactionsRequest, Bank_GetTransactionsServer) error {
+	return status.Errorf(codes.Unimplemented, "method GetTransactions not implemented")
+}
+func (UnimplementedBankServer) Deposit(context.Context, *DepositRequest) (*BalanceResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Deposit not implemented")
+}
+func (UnimplementedBankServer) Withdraw(context.Context, *WithdrawRequest) (*BalanceResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Withdraw not implemented")
+}
+func (UnimplementedBankServer) Transfer(context.Context, *TransferRequest) (*TransferResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Transfer not implemented")
+}
+func (UnimplementedBankServer) mustEmbedUnimplementedBankServer() {}
+
+// UnsafeBankServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to BankServer will
+// result in compilation errors.
+type UnsafeBankServer interface {
+	mustEmbedUnimplementedBankServer()
+}
+
+func RegisterBankServer(s grpc.ServiceRegistrar, srv BankServer) {
+	s.RegisterService(&Bank_ServiceDesc, srv)
+}
+
+func _Bank_OpenAccount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(OpenAccountRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BankServer).OpenAccount(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/Bank/OpenAccount",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BankServer).OpenAccount(ctx, req.(*OpenAccountRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Bank_CloseAccount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CloseAccountRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BankServer).CloseAccount(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/Bank/CloseAccount",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BankServer).CloseAccount(ctx, req.(*CloseAccountRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Bank_GetAccounts_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(emptypb.Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BankServer).GetAccounts(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/Bank/GetAccounts",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BankServer).GetAccounts(ctx, req.(*emptypb.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Bank_GetTransactions_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(GetTransactionsRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(BankServer).GetTransactions(m, &bankGetTransactionsServer{stream})
+}
+
+type Bank_GetTransactionsServer interface {
+	Send(*Transaction) error
+	grpc.ServerStream
+}
+
+type bankGetTransactionsServer struct {
+	grpc.ServerStream
+}
+
+func (x *bankGetTransactionsServer) Send(m *Transaction) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _Bank_Deposit_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DepositRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BankServer).Deposit(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/Bank/Deposit",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BankServer).Deposit(ctx, req.(*DepositRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Bank_Withdraw_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(WithdrawRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BankServer).Withdraw(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/Bank/Withdraw",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BankServer).Withdraw(ctx, req.(*WithdrawRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Bank_Transfer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(TransferRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BankServer).Transfer(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/Bank/Transfer",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BankServer).Transfer(ctx, req.(*TransferRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Bank_ServiceDesc is the grpc.ServiceDesc for Bank service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Bank_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "Bank",
+	HandlerType: (*BankServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "OpenAccount",
+			Handler:    _Bank_OpenAccount_Handler,
+		},
+		{
+			MethodName: "CloseAccount",
+			Handler:    _Bank_CloseAccount_Handler,
+		},
+		{
+			MethodName: "GetAccounts",
+			Handler:    _Bank_GetAccounts_Handler,
+		},
+		{
+			MethodName: "Deposit",
+			Handler:    _Bank_Deposit_Handler,
+		},
+		{
+			MethodName: "Withdraw",
+			Handler:    _Bank_Withdraw_Handler,
+		},
+		{
+			MethodName: "Transfer",
+			Handler:    _Bank_Transfer_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "GetTransactions",
+			Handler:       _Bank_GetTransactions_Handler,
+			ServerStreams: true,
+		},
+	},
+	Metadata: "bank.proto",
+}

internal/testing/cmd/bankdemo/chat.go

@@ -15,6 +15,7 @@ import (
 // a capability to connect customers and support agents in real-time
 // chat.
 type chatServer struct {
+	UnimplementedSupportServer
 	chatsBySession     map[string]*session
 	chatsAwaitingAgent []string
 	lastSession        int32

internal/testing/cmd/bankdemo/main.go

@@ -1,13 +1,12 @@
 package main
 
-//go:generate protoc --go_out=plugins=grpc:./ bank.proto support.proto
+//go:generate protoc --go_out=. --go-grpc_out=. bank.proto support.proto
 
 import (
 	"context"
 	"encoding/json"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"net"
 	"os"
 	"os/signal"
@@ -130,7 +129,7 @@ type svr struct {
 }
 
 func (s *svr) load() error {
-	accts, err := ioutil.ReadFile(s.datafile)
+	accts, err := os.ReadFile(s.datafile)
 	if err != nil && !os.IsNotExist(err) {
 		return err
 	}
@@ -162,7 +161,7 @@ func (s *svr) flush() {
 
 	if b, err := json.Marshal(accounts); err != nil {
 		grpclog.Errorf("failed to save data to %q", s.datafile)
-	} else if err := ioutil.WriteFile(s.datafile, b, 0666); err != nil {
+	} else if err := os.WriteFile(s.datafile, b, 0666); err != nil {
 		grpclog.Errorf("failed to save data to %q", s.datafile)
 	}
 }

internal/testing/cmd/bankdemo/support.pb.go

@@ -1,17 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.25.0-devel
-// 	protoc        v3.14.0
+// 	protoc        v4.22.0
 // source: support.proto
 
 package main
 
 import (
-	context "context"
 	proto "github.com/golang/protobuf/proto"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
@@ -79,6 +75,7 @@ type ChatCustomerRequest struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Types that are assignable to Req:
+	//
 	//	*ChatCustomerRequest_Init
 	//	*ChatCustomerRequest_Msg
 	//	*ChatCustomerRequest_HangUp
@@ -286,6 +283,7 @@ type ChatCustomerResponse struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Types that are assignable to Resp:
+	//
 	//	*ChatCustomerResponse_Session
 	//	*ChatCustomerResponse_Msg
 	Resp isChatCustomerResponse_Resp `protobuf_oneof:"resp"`
@@ -371,6 +369,7 @@ type ChatAgentRequest struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Types that are assignable to Req:
+	//
 	//	*ChatAgentRequest_Accept
 	//	*ChatAgentRequest_Msg
 	//	*ChatAgentRequest_LeaveSession
@@ -524,6 +523,7 @@ type ChatEntry struct {
 
 	Date *timestamppb.Timestamp `protobuf:"bytes,1,opt,name=date,proto3" json:"date,omitempty"`
 	// Types that are assignable to Entry:
+	//
 	//	*ChatEntry_CustomerMsg
 	//	*ChatEntry_AgentMsg
 	Entry isChatEntry_Entry `protobuf_oneof:"entry"`
@@ -611,6 +611,7 @@ type ChatAgentResponse struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Types that are assignable to Resp:
+	//
 	//	*ChatAgentResponse_AcceptedSession
 	//	*ChatAgentResponse_Msg
 	//	*ChatAgentResponse_SessionEnded
@@ -1056,199 +1057,3 @@ func file_support_proto_init() {
 	file_support_proto_goTypes = nil
 	file_support_proto_depIdxs = nil
 }
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ grpc.ClientConnInterface
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-const _ = grpc.SupportPackageIsVersion6
-
-// SupportClient is the client API for Support service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type SupportClient interface {
-	// ChatCustomer is used by a customer-facing app to send the customer's messages
-	// to a chat session. The customer is how initiates and terminates (via "hangup")
-	// a chat session. Only customers may invoke this method (e.g. requests must
-	// include customer auth credentials).
-	ChatCustomer(ctx context.Context, opts ...grpc.CallOption) (Support_ChatCustomerClient, error)
-	// ChatAgent is used by an agent-facing app to allow an agent to reply to a
-	// customer's messages in a chat session. The agent may accept a chat session,
-	// which defaults to the session awaiting an agent for the longest period of time
-	// (FIFO queue).
-	ChatAgent(ctx context.Context, opts ...grpc.CallOption) (Support_ChatAgentClient, error)
-}
-
-type supportClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewSupportClient(cc grpc.ClientConnInterface) SupportClient {
-	return &supportClient{cc}
-}
-
-func (c *supportClient) ChatCustomer(ctx context.Context, opts ...grpc.CallOption) (Support_ChatCustomerClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_Support_serviceDesc.Streams[0], "/Support/ChatCustomer", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &supportChatCustomerClient{stream}
-	return x, nil
-}
-
-type Support_ChatCustomerClient interface {
-	Send(*ChatCustomerRequest) error
-	Recv() (*ChatCustomerResponse, error)
-	grpc.ClientStream
-}
-
-type supportChatCustomerClient struct {
-	grpc.ClientStream
-}
-
-func (x *supportChatCustomerClient) Send(m *ChatCustomerRequest) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *supportChatCustomerClient) Recv() (*ChatCustomerResponse, error) {
-	m := new(ChatCustomerResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *supportClient) ChatAgent(ctx context.Context, opts ...grpc.CallOption) (Support_ChatAgentClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_Support_serviceDesc.Streams[1], "/Support/ChatAgent", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &supportChatAgentClient{stream}
-	return x, nil
-}
-
-type Support_ChatAgentClient interface {
-	Send(*ChatAgentRequest) error
-	Recv() (*ChatAgentResponse, error)
-	grpc.ClientStream
-}
-
-type supportChatAgentClient struct {
-	grpc.ClientStream
-}
-
-func (x *supportChatAgentClient) Send(m *ChatAgentRequest) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *supportChatAgentClient) Recv() (*ChatAgentResponse, error) {
-	m := new(ChatAgentResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-// SupportServer is the server API for Support service.
-type SupportServer interface {
-	// ChatCustomer is used by a customer-facing app to send the customer's messages
-	// to a chat session. The customer is how initiates and terminates (via "hangup")
-	// a chat session. Only customers may invoke this method (e.g. requests must
-	// include customer auth credentials).
-	ChatCustomer(Support_ChatCustomerServer) error
-	// ChatAgent is used by an agent-facing app to allow an agent to reply to a
-	// customer's messages in a chat session. The agent may accept a chat session,
-	// which defaults to the session awaiting an agent for the longest period of time
-	// (FIFO queue).
-	ChatAgent(Support_ChatAgentServer) error
-}
-
-// UnimplementedSupportServer can be embedded to have forward compatible implementations.
-type UnimplementedSupportServer struct {
-}
-
-func (*UnimplementedSupportServer) ChatCustomer(Support_ChatCustomerServer) error {
-	return status.Errorf(codes.Unimplemented, "method ChatCustomer not implemented")
-}
-func (*UnimplementedSupportServer) ChatAgent(Support_ChatAgentServer) error {
-	return status.Errorf(codes.Unimplemented, "method ChatAgent not implemented")
-}
-
-func RegisterSupportServer(s *grpc.Server, srv SupportServer) {
-	s.RegisterService(&_Support_serviceDesc, srv)
-}
-
-func _Support_ChatCustomer_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(SupportServer).ChatCustomer(&supportChatCustomerServer{stream})
-}
-
-type Support_ChatCustomerServer interface {
-	Send(*ChatCustomerResponse) error
-	Recv() (*ChatCustomerRequest, error)
-	grpc.ServerStream
-}
-
-type supportChatCustomerServer struct {
-	grpc.ServerStream
-}
-
-func (x *supportChatCustomerServer) Send(m *ChatCustomerResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *supportChatCustomerServer) Recv() (*ChatCustomerRequest, error) {
-	m := new(ChatCustomerRequest)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func _Support_ChatAgent_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(SupportServer).ChatAgent(&supportChatAgentServer{stream})
-}
-
-type Support_ChatAgentServer interface {
-	Send(*ChatAgentResponse) error
-	Recv() (*ChatAgentRequest, error)
-	grpc.ServerStream
-}
-
-type supportChatAgentServer struct {
-	grpc.ServerStream
-}
-
-func (x *supportChatAgentServer) Send(m *ChatAgentResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *supportChatAgentServer) Recv() (*ChatAgentRequest, error) {
-	m := new(ChatAgentRequest)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-var _Support_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "Support",
-	HandlerType: (*SupportServer)(nil),
-	Methods:     []grpc.MethodDesc{},
-	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "ChatCustomer",
-			Handler:       _Support_ChatCustomer_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
-		{
-			StreamName:    "ChatAgent",
-			Handler:       _Support_ChatAgent_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
-	},
-	Metadata: "support.proto",
-}

internal/testing/cmd/bankdemo/support_grpc.pb.go

@@ -0,0 +1,217 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package main
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// SupportClient is the client API for Support service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type SupportClient interface {
+	// ChatCustomer is used by a customer-facing app to send the customer's messages
+	// to a chat session. The customer is how initiates and terminates (via "hangup")
+	// a chat session. Only customers may invoke this method (e.g. requests must
+	// include customer auth credentials).
+	ChatCustomer(ctx context.Context, opts ...grpc.CallOption) (Support_ChatCustomerClient, error)
+	// ChatAgent is used by an agent-facing app to allow an agent to reply to a
+	// customer's messages in a chat session. The agent may accept a chat session,
+	// which defaults to the session awaiting an agent for the longest period of time
+	// (FIFO queue).
+	ChatAgent(ctx context.Context, opts ...grpc.CallOption) (Support_ChatAgentClient, error)
+}
+
+type supportClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewSupportClient(cc grpc.ClientConnInterface) SupportClient {
+	return &supportClient{cc}
+}
+
+func (c *supportClient) ChatCustomer(ctx context.Context, opts ...grpc.CallOption) (Support_ChatCustomerClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Support_ServiceDesc.Streams[0], "/Support/ChatCustomer", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &supportChatCustomerClient{stream}
+	return x, nil
+}
+
+type Support_ChatCustomerClient interface {
+	Send(*ChatCustomerRequest) error
+	Recv() (*ChatCustomerResponse, error)
+	grpc.ClientStream
+}
+
+type supportChatCustomerClient struct {
+	grpc.ClientStream
+}
+
+func (x *supportChatCustomerClient) Send(m *ChatCustomerRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *supportChatCustomerClient) Recv() (*ChatCustomerResponse, error) {
+	m := new(ChatCustomerResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *supportClient) ChatAgent(ctx context.Context, opts ...grpc.CallOption) (Support_ChatAgentClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Support_ServiceDesc.Streams[1], "/Support/ChatAgent", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &supportChatAgentClient{stream}
+	return x, nil
+}
+
+type Support_ChatAgentClient interface {
+	Send(*ChatAgentRequest) error
+	Recv() (*ChatAgentResponse, error)
+	grpc.ClientStream
+}
+
+type supportChatAgentClient struct {
+	grpc.ClientStream
+}
+
+func (x *supportChatAgentClient) Send(m *ChatAgentRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *supportChatAgentClient) Recv() (*ChatAgentResponse, error) {
+	m := new(ChatAgentResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// SupportServer is the server API for Support service.
+// All implementations must embed UnimplementedSupportServer
+// for forward compatibility
+type SupportServer interface {
+	// ChatCustomer is used by a customer-facing app to send the customer's messages
+	// to a chat session. The customer is how initiates and terminates (via "hangup")
+	// a chat session. Only customers may invoke this method (e.g. requests must
+	// include customer auth credentials).
+	ChatCustomer(Support_ChatCustomerServer) error
+	// ChatAgent is used by an agent-facing app to allow an agent to reply to a
+	// customer's messages in a chat session. The agent may accept a chat session,
+	// which defaults to the session awaiting an agent for the longest period of time
+	// (FIFO queue).
+	ChatAgent(Support_ChatAgentServer) error
+	mustEmbedUnimplementedSupportServer()
+}
+
+// UnimplementedSupportServer must be embedded to have forward compatible implementations.
+type UnimplementedSupportServer struct {
+}
+
+func (UnimplementedSupportServer) ChatCustomer(Support_ChatCustomerServer) error {
+	return status.Errorf(codes.Unimplemented, "method ChatCustomer not implemented")
+}
+func (UnimplementedSupportServer) ChatAgent(Support_ChatAgentServer) error {
+	return status.Errorf(codes.Unimplemented, "method ChatAgent not implemented")
+}
+func (UnimplementedSupportServer) mustEmbedUnimplementedSupportServer() {}
+
+// UnsafeSupportServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to SupportServer will
+// result in compilation errors.
+type UnsafeSupportServer interface {
+	mustEmbedUnimplementedSupportServer()
+}
+
+func RegisterSupportServer(s grpc.ServiceRegistrar, srv SupportServer) {
+	s.RegisterService(&Support_ServiceDesc, srv)
+}
+
+func _Support_ChatCustomer_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SupportServer).ChatCustomer(&supportChatCustomerServer{stream})
+}
+
+type Support_ChatCustomerServer interface {
+	Send(*ChatCustomerResponse) error
+	Recv() (*ChatCustomerRequest, error)
+	grpc.ServerStream
+}
+
+type supportChatCustomerServer struct {
+	grpc.ServerStream
+}
+
+func (x *supportChatCustomerServer) Send(m *ChatCustomerResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *supportChatCustomerServer) Recv() (*ChatCustomerRequest, error) {
+	m := new(ChatCustomerRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _Support_ChatAgent_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SupportServer).ChatAgent(&supportChatAgentServer{stream})
+}
+
+type Support_ChatAgentServer interface {
+	Send(*ChatAgentResponse) error
+	Recv() (*ChatAgentRequest, error)
+	grpc.ServerStream
+}
+
+type supportChatAgentServer struct {
+	grpc.ServerStream
+}
+
+func (x *supportChatAgentServer) Send(m *ChatAgentResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *supportChatAgentServer) Recv() (*ChatAgentRequest, error) {
+	m := new(ChatAgentRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// Support_ServiceDesc is the grpc.ServiceDesc for Support service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Support_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "Support",
+	HandlerType: (*SupportServer)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "ChatCustomer",
+			Handler:       _Support_ChatCustomer_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+		{
+			StreamName:    "ChatAgent",
+			Handler:       _Support_ChatAgent_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "support.proto",
+}

internal/testing/cmd/testserver/unix.go

@@ -1,3 +1,4 @@
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
 // +build darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package main

internal/testing/test.pb.go

@@ -20,17 +20,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.25.0-devel
-// 	protoc        v3.14.0
+// 	protoc        v4.22.0
 // source: test.proto
 
 package testing
 
 import (
-	context "context"
 	proto "github.com/golang/protobuf/proto"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -1032,491 +1028,3 @@ func file_test_proto_init() {
 	file_test_proto_goTypes = nil
 	file_test_proto_depIdxs = nil
 }
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ grpc.ClientConnInterface
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-const _ = grpc.SupportPackageIsVersion6
-
-// TestServiceClient is the client API for TestService service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type TestServiceClient interface {
-	// One empty request followed by one empty response.
-	EmptyCall(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*Empty, error)
-	// One request followed by one response.
-	// The server returns the client payload as-is.
-	UnaryCall(ctx context.Context, in *SimpleRequest, opts ...grpc.CallOption) (*SimpleResponse, error)
-	// One request followed by a sequence of responses (streamed download).
-	// The server returns the payload with client desired type and sizes.
-	StreamingOutputCall(ctx context.Context, in *StreamingOutputCallRequest, opts ...grpc.CallOption) (TestService_StreamingOutputCallClient, error)
-	// A sequence of requests followed by one response (streamed upload).
-	// The server returns the aggregated size of client payload as the result.
-	StreamingInputCall(ctx context.Context, opts ...grpc.CallOption) (TestService_StreamingInputCallClient, error)
-	// A sequence of requests with each request served by the server immediately.
-	// As one request could lead to multiple responses, this interface
-	// demonstrates the idea of full duplexing.
-	FullDuplexCall(ctx context.Context, opts ...grpc.CallOption) (TestService_FullDuplexCallClient, error)
-	// A sequence of requests followed by a sequence of responses.
-	// The server buffers all the client requests and then serves them in order. A
-	// stream of responses are returned to the client when the server starts with
-	// first request.
-	HalfDuplexCall(ctx context.Context, opts ...grpc.CallOption) (TestService_HalfDuplexCallClient, error)
-}
-
-type testServiceClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewTestServiceClient(cc grpc.ClientConnInterface) TestServiceClient {
-	return &testServiceClient{cc}
-}
-
-func (c *testServiceClient) EmptyCall(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*Empty, error) {
-	out := new(Empty)
-	err := c.cc.Invoke(ctx, "/testing.TestService/EmptyCall", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *testServiceClient) UnaryCall(ctx context.Context, in *SimpleRequest, opts ...grpc.CallOption) (*SimpleResponse, error) {
-	out := new(SimpleResponse)
-	err := c.cc.Invoke(ctx, "/testing.TestService/UnaryCall", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *testServiceClient) StreamingOutputCall(ctx context.Context, in *StreamingOutputCallRequest, opts ...grpc.CallOption) (TestService_StreamingOutputCallClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_TestService_serviceDesc.Streams[0], "/testing.TestService/StreamingOutputCall", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &testServiceStreamingOutputCallClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type TestService_StreamingOutputCallClient interface {
-	Recv() (*StreamingOutputCallResponse, error)
-	grpc.ClientStream
-}
-
-type testServiceStreamingOutputCallClient struct {
-	grpc.ClientStream
-}
-
-func (x *testServiceStreamingOutputCallClient) Recv() (*StreamingOutputCallResponse, error) {
-	m := new(StreamingOutputCallResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *testServiceClient) StreamingInputCall(ctx context.Context, opts ...grpc.CallOption) (TestService_StreamingInputCallClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_TestService_serviceDesc.Streams[1], "/testing.TestService/StreamingInputCall", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &testServiceStreamingInputCallClient{stream}
-	return x, nil
-}
-
-type TestService_StreamingInputCallClient interface {
-	Send(*StreamingInputCallRequest) error
-	CloseAndRecv() (*StreamingInputCallResponse, error)
-	grpc.ClientStream
-}
-
-type testServiceStreamingInputCallClient struct {
-	grpc.ClientStream
-}
-
-func (x *testServiceStreamingInputCallClient) Send(m *StreamingInputCallRequest) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *testServiceStreamingInputCallClient) CloseAndRecv() (*StreamingInputCallResponse, error) {
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	m := new(StreamingInputCallResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *testServiceClient) FullDuplexCall(ctx context.Context, opts ...grpc.CallOption) (TestService_FullDuplexCallClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_TestService_serviceDesc.Streams[2], "/testing.TestService/FullDuplexCall", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &testServiceFullDuplexCallClient{stream}
-	return x, nil
-}
-
-type TestService_FullDuplexCallClient interface {
-	Send(*StreamingOutputCallRequest) error
-	Recv() (*StreamingOutputCallResponse, error)
-	grpc.ClientStream
-}
-
-type testServiceFullDuplexCallClient struct {
-	grpc.ClientStream
-}
-
-func (x *testServiceFullDuplexCallClient) Send(m *StreamingOutputCallRequest) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *testServiceFullDuplexCallClient) Recv() (*StreamingOutputCallResponse, error) {
-	m := new(StreamingOutputCallResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *testServiceClient) HalfDuplexCall(ctx context.Context, opts ...grpc.CallOption) (TestService_HalfDuplexCallClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_TestService_serviceDesc.Streams[3], "/testing.TestService/HalfDuplexCall", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &testServiceHalfDuplexCallClient{stream}
-	return x, nil
-}
-
-type TestService_HalfDuplexCallClient interface {
-	Send(*StreamingOutputCallRequest) error
-	Recv() (*StreamingOutputCallResponse, error)
-	grpc.ClientStream
-}
-
-type testServiceHalfDuplexCallClient struct {
-	grpc.ClientStream
-}
-
-func (x *testServiceHalfDuplexCallClient) Send(m *StreamingOutputCallRequest) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *testServiceHalfDuplexCallClient) Recv() (*StreamingOutputCallResponse, error) {
-	m := new(StreamingOutputCallResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-// TestServiceServer is the server API for TestService service.
-type TestServiceServer interface {
-	// One empty request followed by one empty response.
-	EmptyCall(context.Context, *Empty) (*Empty, error)
-	// One request followed by one response.
-	// The server returns the client payload as-is.
-	UnaryCall(context.Context, *SimpleRequest) (*SimpleResponse, error)
-	// One request followed by a sequence of responses (streamed download).
-	// The server returns the payload with client desired type and sizes.
-	StreamingOutputCall(*StreamingOutputCallRequest, TestService_StreamingOutputCallServer) error
-	// A sequence of requests followed by one response (streamed upload).
-	// The server returns the aggregated size of client payload as the result.
-	StreamingInputCall(TestService_StreamingInputCallServer) error
-	// A sequence of requests with each request served by the server immediately.
-	// As one request could lead to multiple responses, this interface
-	// demonstrates the idea of full duplexing.
-	FullDuplexCall(TestService_FullDuplexCallServer) error
-	// A sequence of requests followed by a sequence of responses.
-	// The server buffers all the client requests and then serves them in order. A
-	// stream of responses are returned to the client when the server starts with
-	// first request.
-	HalfDuplexCall(TestService_HalfDuplexCallServer) error
-}
-
-// UnimplementedTestServiceServer can be embedded to have forward compatible implementations.
-type UnimplementedTestServiceServer struct {
-}
-
-func (*UnimplementedTestServiceServer) EmptyCall(context.Context, *Empty) (*Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method EmptyCall not implemented")
-}
-func (*UnimplementedTestServiceServer) UnaryCall(context.Context, *SimpleRequest) (*SimpleResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method UnaryCall not implemented")
-}
-func (*UnimplementedTestServiceServer) StreamingOutputCall(*StreamingOutputCallRequest, TestService_StreamingOutputCallServer) error {
-	return status.Errorf(codes.Unimplemented, "method StreamingOutputCall not implemented")
-}
-func (*UnimplementedTestServiceServer) StreamingInputCall(TestService_StreamingInputCallServer) error {
-	return status.Errorf(codes.Unimplemented, "method StreamingInputCall not implemented")
-}
-func (*UnimplementedTestServiceServer) FullDuplexCall(TestService_FullDuplexCallServer) error {
-	return status.Errorf(codes.Unimplemented, "method FullDuplexCall not implemented")
-}
-func (*UnimplementedTestServiceServer) HalfDuplexCall(TestService_HalfDuplexCallServer) error {
-	return status.Errorf(codes.Unimplemented, "method HalfDuplexCall not implemented")
-}
-
-func RegisterTestServiceServer(s *grpc.Server, srv TestServiceServer) {
-	s.RegisterService(&_TestService_serviceDesc, srv)
-}
-
-func _TestService_EmptyCall_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(Empty)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(TestServiceServer).EmptyCall(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/testing.TestService/EmptyCall",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(TestServiceServer).EmptyCall(ctx, req.(*Empty))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _TestService_UnaryCall_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(SimpleRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(TestServiceServer).UnaryCall(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/testing.TestService/UnaryCall",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(TestServiceServer).UnaryCall(ctx, req.(*SimpleRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _TestService_StreamingOutputCall_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(StreamingOutputCallRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(TestServiceServer).StreamingOutputCall(m, &testServiceStreamingOutputCallServer{stream})
-}
-
-type TestService_StreamingOutputCallServer interface {
-	Send(*StreamingOutputCallResponse) error
-	grpc.ServerStream
-}
-
-type testServiceStreamingOutputCallServer struct {
-	grpc.ServerStream
-}
-
-func (x *testServiceStreamingOutputCallServer) Send(m *StreamingOutputCallResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _TestService_StreamingInputCall_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(TestServiceServer).StreamingInputCall(&testServiceStreamingInputCallServer{stream})
-}
-
-type TestService_StreamingInputCallServer interface {
-	SendAndClose(*StreamingInputCallResponse) error
-	Recv() (*StreamingInputCallRequest, error)
-	grpc.ServerStream
-}
-
-type testServiceStreamingInputCallServer struct {
-	grpc.ServerStream
-}
-
-func (x *testServiceStreamingInputCallServer) SendAndClose(m *StreamingInputCallResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *testServiceStreamingInputCallServer) Recv() (*StreamingInputCallRequest, error) {
-	m := new(StreamingInputCallRequest)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func _TestService_FullDuplexCall_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(TestServiceServer).FullDuplexCall(&testServiceFullDuplexCallServer{stream})
-}
-
-type TestService_FullDuplexCallServer interface {
-	Send(*StreamingOutputCallResponse) error
-	Recv() (*StreamingOutputCallRequest, error)
-	grpc.ServerStream
-}
-
-type testServiceFullDuplexCallServer struct {
-	grpc.ServerStream
-}
-
-func (x *testServiceFullDuplexCallServer) Send(m *StreamingOutputCallResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *testServiceFullDuplexCallServer) Recv() (*StreamingOutputCallRequest, error) {
-	m := new(StreamingOutputCallRequest)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func _TestService_HalfDuplexCall_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(TestServiceServer).HalfDuplexCall(&testServiceHalfDuplexCallServer{stream})
-}
-
-type TestService_HalfDuplexCallServer interface {
-	Send(*StreamingOutputCallResponse) error
-	Recv() (*StreamingOutputCallRequest, error)
-	grpc.ServerStream
-}
-
-type testServiceHalfDuplexCallServer struct {
-	grpc.ServerStream
-}
-
-func (x *testServiceHalfDuplexCallServer) Send(m *StreamingOutputCallResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *testServiceHalfDuplexCallServer) Recv() (*StreamingOutputCallRequest, error) {
-	m := new(StreamingOutputCallRequest)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-var _TestService_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "testing.TestService",
-	HandlerType: (*TestServiceServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "EmptyCall",
-			Handler:    _TestService_EmptyCall_Handler,
-		},
-		{
-			MethodName: "UnaryCall",
-			Handler:    _TestService_UnaryCall_Handler,
-		},
-	},
-	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "StreamingOutputCall",
-			Handler:       _TestService_StreamingOutputCall_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "StreamingInputCall",
-			Handler:       _TestService_StreamingInputCall_Handler,
-			ClientStreams: true,
-		},
-		{
-			StreamName:    "FullDuplexCall",
-			Handler:       _TestService_FullDuplexCall_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
-		{
-			StreamName:    "HalfDuplexCall",
-			Handler:       _TestService_HalfDuplexCall_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
-	},
-	Metadata: "test.proto",
-}
-
-// UnimplementedServiceClient is the client API for UnimplementedService service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type UnimplementedServiceClient interface {
-	// A call that no server should implement
-	UnimplementedCall(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*Empty, error)
-}
-
-type unimplementedServiceClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewUnimplementedServiceClient(cc grpc.ClientConnInterface) UnimplementedServiceClient {
-	return &unimplementedServiceClient{cc}
-}
-
-func (c *unimplementedServiceClient) UnimplementedCall(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*Empty, error) {
-	out := new(Empty)
-	err := c.cc.Invoke(ctx, "/testing.UnimplementedService/UnimplementedCall", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// UnimplementedServiceServer is the server API for UnimplementedService service.
-type UnimplementedServiceServer interface {
-	// A call that no server should implement
-	UnimplementedCall(context.Context, *Empty) (*Empty, error)
-}
-
-// UnimplementedUnimplementedServiceServer can be embedded to have forward compatible implementations.
-type UnimplementedUnimplementedServiceServer struct {
-}
-
-func (*UnimplementedUnimplementedServiceServer) UnimplementedCall(context.Context, *Empty) (*Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method UnimplementedCall not implemented")
-}
-
-func RegisterUnimplementedServiceServer(s *grpc.Server, srv UnimplementedServiceServer) {
-	s.RegisterService(&_UnimplementedService_serviceDesc, srv)
-}
-
-func _UnimplementedService_UnimplementedCall_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(Empty)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(UnimplementedServiceServer).UnimplementedCall(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/testing.UnimplementedService/UnimplementedCall",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(UnimplementedServiceServer).UnimplementedCall(ctx, req.(*Empty))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _UnimplementedService_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "testing.UnimplementedService",
-	HandlerType: (*UnimplementedServiceServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "UnimplementedCall",
-			Handler:    _UnimplementedService_UnimplementedCall_Handler,
-		},
-	},
-	Streams:  []grpc.StreamDesc{},
-	Metadata: "test.proto",
-}

internal/testing/test_grpc.pb.go

@@ -0,0 +1,523 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package testing
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// TestServiceClient is the client API for TestService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type TestServiceClient interface {
+	// One empty request followed by one empty response.
+	EmptyCall(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*Empty, error)
+	// One request followed by one response.
+	// The server returns the client payload as-is.
+	UnaryCall(ctx context.Context, in *SimpleRequest, opts ...grpc.CallOption) (*SimpleResponse, error)
+	// One request followed by a sequence of responses (streamed download).
+	// The server returns the payload with client desired type and sizes.
+	StreamingOutputCall(ctx context.Context, in *StreamingOutputCallRequest, opts ...grpc.CallOption) (TestService_StreamingOutputCallClient, error)
+	// A sequence of requests followed by one response (streamed upload).
+	// The server returns the aggregated size of client payload as the result.
+	StreamingInputCall(ctx context.Context, opts ...grpc.CallOption) (TestService_StreamingInputCallClient, error)
+	// A sequence of requests with each request served by the server immediately.
+	// As one request could lead to multiple responses, this interface
+	// demonstrates the idea of full duplexing.
+	FullDuplexCall(ctx context.Context, opts ...grpc.CallOption) (TestService_FullDuplexCallClient, error)
+	// A sequence of requests followed by a sequence of responses.
+	// The server buffers all the client requests and then serves them in order. A
+	// stream of responses are returned to the client when the server starts with
+	// first request.
+	HalfDuplexCall(ctx context.Context, opts ...grpc.CallOption) (TestService_HalfDuplexCallClient, error)
+}
+
+type testServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewTestServiceClient(cc grpc.ClientConnInterface) TestServiceClient {
+	return &testServiceClient{cc}
+}
+
+func (c *testServiceClient) EmptyCall(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*Empty, error) {
+	out := new(Empty)
+	err := c.cc.Invoke(ctx, "/testing.TestService/EmptyCall", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *testServiceClient) UnaryCall(ctx context.Context, in *SimpleRequest, opts ...grpc.CallOption) (*SimpleResponse, error) {
+	out := new(SimpleResponse)
+	err := c.cc.Invoke(ctx, "/testing.TestService/UnaryCall", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *testServiceClient) StreamingOutputCall(ctx context.Context, in *StreamingOutputCallRequest, opts ...grpc.CallOption) (TestService_StreamingOutputCallClient, error) {
+	stream, err := c.cc.NewStream(ctx, &TestService_ServiceDesc.Streams[0], "/testing.TestService/StreamingOutputCall", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &testServiceStreamingOutputCallClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type TestService_StreamingOutputCallClient interface {
+	Recv() (*StreamingOutputCallResponse, error)
+	grpc.ClientStream
+}
+
+type testServiceStreamingOutputCallClient struct {
+	grpc.ClientStream
+}
+
+func (x *testServiceStreamingOutputCallClient) Recv() (*StreamingOutputCallResponse, error) {
+	m := new(StreamingOutputCallResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *testServiceClient) StreamingInputCall(ctx context.Context, opts ...grpc.CallOption) (TestService_StreamingInputCallClient, error) {
+	stream, err := c.cc.NewStream(ctx, &TestService_ServiceDesc.Streams[1], "/testing.TestService/StreamingInputCall", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &testServiceStreamingInputCallClient{stream}
+	return x, nil
+}
+
+type TestService_StreamingInputCallClient interface {
+	Send(*StreamingInputCallRequest) error
+	CloseAndRecv() (*StreamingInputCallResponse, error)
+	grpc.ClientStream
+}
+
+type testServiceStreamingInputCallClient struct {
+	grpc.ClientStream
+}
+
+func (x *testServiceStreamingInputCallClient) Send(m *StreamingInputCallRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *testServiceStreamingInputCallClient) CloseAndRecv() (*StreamingInputCallResponse, error) {
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	m := new(StreamingInputCallResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *testServiceClient) FullDuplexCall(ctx context.Context, opts ...grpc.CallOption) (TestService_FullDuplexCallClient, error) {
+	stream, err := c.cc.NewStream(ctx, &TestService_ServiceDesc.Streams[2], "/testing.TestService/FullDuplexCall", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &testServiceFullDuplexCallClient{stream}
+	return x, nil
+}
+
+type TestService_FullDuplexCallClient interface {
+	Send(*StreamingOutputCallRequest) error
+	Recv() (*StreamingOutputCallResponse, error)
+	grpc.ClientStream
+}
+
+type testServiceFullDuplexCallClient struct {
+	grpc.ClientStream
+}
+
+func (x *testServiceFullDuplexCallClient) Send(m *StreamingOutputCallRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *testServiceFullDuplexCallClient) Recv() (*StreamingOutputCallResponse, error) {
+	m := new(StreamingOutputCallResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *testServiceClient) HalfDuplexCall(ctx context.Context, opts ...grpc.CallOption) (TestService_HalfDuplexCallClient, error) {
+	stream, err := c.cc.NewStream(ctx, &TestService_ServiceDesc.Streams[3], "/testing.TestService/HalfDuplexCall", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &testServiceHalfDuplexCallClient{stream}
+	return x, nil
+}
+
+type TestService_HalfDuplexCallClient interface {
+	Send(*StreamingOutputCallRequest) error
+	Recv() (*StreamingOutputCallResponse, error)
+	grpc.ClientStream
+}
+
+type testServiceHalfDuplexCallClient struct {
+	grpc.ClientStream
+}
+
+func (x *testServiceHalfDuplexCallClient) Send(m *StreamingOutputCallRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *testServiceHalfDuplexCallClient) Recv() (*StreamingOutputCallResponse, error) {
+	m := new(StreamingOutputCallResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// TestServiceServer is the server API for TestService service.
+// All implementations must embed UnimplementedTestServiceServer
+// for forward compatibility
+type TestServiceServer interface {
+	// One empty request followed by one empty response.
+	EmptyCall(context.Context, *Empty) (*Empty, error)
+	// One request followed by one response.
+	// The server returns the client payload as-is.
+	UnaryCall(context.Context, *SimpleRequest) (*SimpleResponse, error)
+	// One request followed by a sequence of responses (streamed download).
+	// The server returns the payload with client desired type and sizes.
+	StreamingOutputCall(*StreamingOutputCallRequest, TestService_StreamingOutputCallServer) error
+	// A sequence of requests followed by one response (streamed upload).
+	// The server returns the aggregated size of client payload as the result.
+	StreamingInputCall(TestService_StreamingInputCallServer) error
+	// A sequence of requests with each request served by the server immediately.
+	// As one request could lead to multiple responses, this interface
+	// demonstrates the idea of full duplexing.
+	FullDuplexCall(TestService_FullDuplexCallServer) error
+	// A sequence of requests followed by a sequence of responses.
+	// The server buffers all the client requests and then serves them in order. A
+	// stream of responses are returned to the client when the server starts with
+	// first request.
+	HalfDuplexCall(TestService_HalfDuplexCallServer) error
+	mustEmbedUnimplementedTestServiceServer()
+}
+
+// UnimplementedTestServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedTestServiceServer struct {
+}
+
+func (UnimplementedTestServiceServer) EmptyCall(context.Context, *Empty) (*Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method EmptyCall not implemented")
+}
+func (UnimplementedTestServiceServer) UnaryCall(context.Context, *SimpleRequest) (*SimpleResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UnaryCall not implemented")
+}
+func (UnimplementedTestServiceServer) StreamingOutputCall(*StreamingOutputCallRequest, TestService_StreamingOutputCallServer) error {
+	return status.Errorf(codes.Unimplemented, "method StreamingOutputCall not implemented")
+}
+func (UnimplementedTestServiceServer) StreamingInputCall(TestService_StreamingInputCallServer) error {
+	return status.Errorf(codes.Unimplemented, "method StreamingInputCall not implemented")
+}
+func (UnimplementedTestServiceServer) FullDuplexCall(TestService_FullDuplexCallServer) error {
+	return status.Errorf(codes.Unimplemented, "method FullDuplexCall not implemented")
+}
+func (UnimplementedTestServiceServer) HalfDuplexCall(TestService_HalfDuplexCallServer) error {
+	return status.Errorf(codes.Unimplemented, "method HalfDuplexCall not implemented")
+}
+func (UnimplementedTestServiceServer) mustEmbedUnimplementedTestServiceServer() {}
+
+// UnsafeTestServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to TestServiceServer will
+// result in compilation errors.
+type UnsafeTestServiceServer interface {
+	mustEmbedUnimplementedTestServiceServer()
+}
+
+func RegisterTestServiceServer(s grpc.ServiceRegistrar, srv TestServiceServer) {
+	s.RegisterService(&TestService_ServiceDesc, srv)
+}
+
+func _TestService_EmptyCall_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(TestServiceServer).EmptyCall(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/testing.TestService/EmptyCall",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(TestServiceServer).EmptyCall(ctx, req.(*Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _TestService_UnaryCall_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SimpleRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(TestServiceServer).UnaryCall(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/testing.TestService/UnaryCall",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(TestServiceServer).UnaryCall(ctx, req.(*SimpleRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _TestService_StreamingOutputCall_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(StreamingOutputCallRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(TestServiceServer).StreamingOutputCall(m, &testServiceStreamingOutputCallServer{stream})
+}
+
+type TestService_StreamingOutputCallServer interface {
+	Send(*StreamingOutputCallResponse) error
+	grpc.ServerStream
+}
+
+type testServiceStreamingOutputCallServer struct {
+	grpc.ServerStream
+}
+
+func (x *testServiceStreamingOutputCallServer) Send(m *StreamingOutputCallResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _TestService_StreamingInputCall_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(TestServiceServer).StreamingInputCall(&testServiceStreamingInputCallServer{stream})
+}
+
+type TestService_StreamingInputCallServer interface {
+	SendAndClose(*StreamingInputCallResponse) error
+	Recv() (*StreamingInputCallRequest, error)
+	grpc.ServerStream
+}
+
+type testServiceStreamingInputCallServer struct {
+	grpc.ServerStream
+}
+
+func (x *testServiceStreamingInputCallServer) SendAndClose(m *StreamingInputCallResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *testServiceStreamingInputCallServer) Recv() (*StreamingInputCallRequest, error) {
+	m := new(StreamingInputCallRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _TestService_FullDuplexCall_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(TestServiceServer).FullDuplexCall(&testServiceFullDuplexCallServer{stream})
+}
+
+type TestService_FullDuplexCallServer interface {
+	Send(*StreamingOutputCallResponse) error
+	Recv() (*StreamingOutputCallRequest, error)
+	grpc.ServerStream
+}
+
+type testServiceFullDuplexCallServer struct {
+	grpc.ServerStream
+}
+
+func (x *testServiceFullDuplexCallServer) Send(m *StreamingOutputCallResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *testServiceFullDuplexCallServer) Recv() (*StreamingOutputCallRequest, error) {
+	m := new(StreamingOutputCallRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _TestService_HalfDuplexCall_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(TestServiceServer).HalfDuplexCall(&testServiceHalfDuplexCallServer{stream})
+}
+
+type TestService_HalfDuplexCallServer interface {
+	Send(*StreamingOutputCallResponse) error
+	Recv() (*StreamingOutputCallRequest, error)
+	grpc.ServerStream
+}
+
+type testServiceHalfDuplexCallServer struct {
+	grpc.ServerStream
+}
+
+func (x *testServiceHalfDuplexCallServer) Send(m *StreamingOutputCallResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *testServiceHalfDuplexCallServer) Recv() (*StreamingOutputCallRequest, error) {
+	m := new(StreamingOutputCallRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// TestService_ServiceDesc is the grpc.ServiceDesc for TestService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var TestService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "testing.TestService",
+	HandlerType: (*TestServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "EmptyCall",
+			Handler:    _TestService_EmptyCall_Handler,
+		},
+		{
+			MethodName: "UnaryCall",
+			Handler:    _TestService_UnaryCall_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "StreamingOutputCall",
+			Handler:       _TestService_StreamingOutputCall_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "StreamingInputCall",
+			Handler:       _TestService_StreamingInputCall_Handler,
+			ClientStreams: true,
+		},
+		{
+			StreamName:    "FullDuplexCall",
+			Handler:       _TestService_FullDuplexCall_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+		{
+			StreamName:    "HalfDuplexCall",
+			Handler:       _TestService_HalfDuplexCall_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "test.proto",
+}
+
+// UnimplementedServiceClient is the client API for UnimplementedService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type UnimplementedServiceClient interface {
+	// A call that no server should implement
+	UnimplementedCall(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*Empty, error)
+}
+
+type unimplementedServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewUnimplementedServiceClient(cc grpc.ClientConnInterface) UnimplementedServiceClient {
+	return &unimplementedServiceClient{cc}
+}
+
+func (c *unimplementedServiceClient) UnimplementedCall(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*Empty, error) {
+	out := new(Empty)
+	err := c.cc.Invoke(ctx, "/testing.UnimplementedService/UnimplementedCall", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// UnimplementedServiceServer is the server API for UnimplementedService service.
+// All implementations must embed UnimplementedUnimplementedServiceServer
+// for forward compatibility
+type UnimplementedServiceServer interface {
+	// A call that no server should implement
+	UnimplementedCall(context.Context, *Empty) (*Empty, error)
+	mustEmbedUnimplementedUnimplementedServiceServer()
+}
+
+// UnimplementedUnimplementedServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedUnimplementedServiceServer struct {
+}
+
+func (UnimplementedUnimplementedServiceServer) UnimplementedCall(context.Context, *Empty) (*Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UnimplementedCall not implemented")
+}
+func (UnimplementedUnimplementedServiceServer) mustEmbedUnimplementedUnimplementedServiceServer() {}
+
+// UnsafeUnimplementedServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to UnimplementedServiceServer will
+// result in compilation errors.
+type UnsafeUnimplementedServiceServer interface {
+	mustEmbedUnimplementedUnimplementedServiceServer()
+}
+
+func RegisterUnimplementedServiceServer(s grpc.ServiceRegistrar, srv UnimplementedServiceServer) {
+	s.RegisterService(&UnimplementedService_ServiceDesc, srv)
+}
+
+func _UnimplementedService_UnimplementedCall_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(UnimplementedServiceServer).UnimplementedCall(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/testing.UnimplementedService/UnimplementedCall",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(UnimplementedServiceServer).UnimplementedCall(ctx, req.(*Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// UnimplementedService_ServiceDesc is the grpc.ServiceDesc for UnimplementedService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var UnimplementedService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "testing.UnimplementedService",
+	HandlerType: (*UnimplementedServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "UnimplementedCall",
+			Handler:    _UnimplementedService_UnimplementedCall_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "test.proto",
+}

internal/testing/test_server.go

@@ -1,6 +1,6 @@
 package testing
 
-//go:generate protoc --go_out=plugins=grpc:./ test.proto
+//go:generate protoc --go_out=. --go-grpc_out=. test.proto
 //go:generate protoc --descriptor_set_out=./test.protoset test.proto
 //go:generate protoc --descriptor_set_out=./example.protoset --include_imports example.proto
 
@@ -19,7 +19,9 @@ import (
 )
 
 // TestServer implements the TestService interface defined in example.proto.
-type TestServer struct{}
+type TestServer struct {
+	UnimplementedTestServiceServer
+}
 
 // EmptyCall accepts one empty request and issues one empty response.
 func (TestServer) EmptyCall(ctx context.Context, req *Empty) (*Empty, error) {

invoke.go

@@ -264,8 +264,10 @@ func invokeServerStream(ctx context.Context, stub grpcdynamic.Stub, md *desc.Met
 	// Now we can actually invoke the RPC!
 	str, err := stub.InvokeRpcServerStream(ctx, md, req)
 
-	if respHeaders, err := str.Header(); err == nil {
+	if str != nil {
-		handler.OnReceiveHeaders(respHeaders)
+		if respHeaders, err := str.Header(); err == nil {
+			handler.OnReceiveHeaders(respHeaders)
+		}
 	}
 
 	// Download each response message
@@ -288,7 +290,9 @@ func invokeServerStream(ctx context.Context, stub grpcdynamic.Stub, md *desc.Met
 		return fmt.Errorf("grpc call for %q failed: %v", md.GetFullyQualifiedName(), err)
 	}
 
-	handler.OnReceiveTrailers(stat, str.Trailer())
+	if str != nil {
+		handler.OnReceiveTrailers(stat, str.Trailer())
+	}
 
 	return nil
 }

releasing/README.md

@@ -53,22 +53,7 @@ This will create the release in GitHub with provisional release notes that just
 
 ### Docker Hub Releases
 
-To re-run only the Docker Hub release steps, we need to build an image with the right tag and then push to Docker Hub.
+To re-run only the Docker Hub release steps, you can manually run through each step in the "Docker" section of `do_release.sh`.
-
-```sh
-# from the root of the repo
-echo v2.3.4 > VERSION
-docker build -t fullstorydev/grpcurl:v2.3.4 .
-docker build -t fullstorydev/grpcurl:v2.3.4-alpine --target alpine .
-# now that we have it built, push to Docker Hub
-docker push fullstorydev/grpcurl:v2.3.4
-docker push fullstorydev/grpcurl:v2.3.4-alpine
-# push "latest" tag, too
-docker tag fullstorydev/grpcurl:v2.3.4 fullstorydev/grpcurl:latest
-docker tag fullstorydev/grpcurl:v2.3.4-alpine fullstorydev/grpcurl:latest-alpine
-docker push fullstorydev/grpcurl:latest
-docker push fullstorydev/grpcurl:latest-alpine
-```
 
 If the `docker push ...` steps fail, you may need to run `docker login`, enter your Docker Hub login credentials, and then try to push again.
 
@@ -78,7 +63,7 @@ The last step is to update the Homebrew recipe to use the latest version. First,
 
 ```sh
 # download the source archive from GitHub
-URL=https://github.com/fullstorydev/grpcurl/archive/v2.3.4.tar.gz
+URL=https://github.com/fullstorydev/grpcurl/archive/refs/tags/v2.3.4.tar.gz
 curl -L -o tmp.tgz $URL
 # and compute the SHA
 SHA="$(sha256sum < tmp.tgz | awk '{ print $1 }')"

releasing/do-release.sh

@@ -50,13 +50,12 @@ export DOCKER_CLI_EXPERIMENTAL=enabled
 $PREFIX docker buildx create --use --name multiarch-builder --node multiarch-builder0
 # push to docker hub, both the given version as a tag and for "latest" tag
 $PREFIX docker buildx build --platform linux/amd64,linux/s390x,linux/arm64,linux/ppc64le --tag fullstorydev/grpcurl:${VERSION} --tag fullstorydev/grpcurl:latest --push --progress plain --no-cache .
-rm VERSION
+$PREFIX docker buildx build --platform linux/amd64,linux/s390x,linux/arm64,linux/ppc64le --tag fullstorydev/grpcurl:${VERSION}-alpine --tag fullstorydev/grpcurl:latest-alpine --push --progress plain --no-cache --target alpine .
-$PREFIX docker buildx build --platform linux/amd64,linux/s390x,linux/arm64 --tag fullstorydev/grpcurl:${VERSION}-alpine --tag fullstorydev/grpcurl:latest-alpine --push --progress plain --no-cache --target alpine .
 rm VERSION
 
 # Homebrew release
 
-URL="https://github.com/fullstorydev/grpcurl/archive/${VERSION}.tar.gz"
+URL="https://github.com/fullstorydev/grpcurl/archive/refs/tags/${VERSION}.tar.gz"
 curl -L -o tmp.tgz "$URL"
 SHA="$(sha256sum < tmp.tgz | awk '{ print $1 }')"
 rm tmp.tgz

tls_settings_test.go

@@ -170,8 +170,8 @@ func TestBrokenTLS_ServerPlainText(t *testing.T) {
 
 	e, err := createTestServerAndClient(nil, clientCreds)
 	if err == nil {
-		t.Fatal("expecting TLS failure setting up server and client")
 		e.Close()
+		t.Fatal("expecting TLS failure setting up server and client")
 	}
 	if !strings.Contains(err.Error(), "first record does not look like a TLS handshake") {
 		t.Fatalf("expecting TLS handshake failure, got: %v", err)
@@ -190,8 +190,8 @@ func TestBrokenTLS_ServerUsesWrongCert(t *testing.T) {
 
 	e, err := createTestServerAndClient(serverCreds, clientCreds)
 	if err == nil {
-		t.Fatal("expecting TLS failure setting up server and client")
 		e.Close()
+		t.Fatal("expecting TLS failure setting up server and client")
 	}
 	if !strings.Contains(err.Error(), "certificate is valid for") {
 		t.Fatalf("expecting TLS certificate error, got: %v", err)
@@ -210,10 +210,10 @@ func TestBrokenTLS_ClientHasExpiredCert(t *testing.T) {
 
 	e, err := createTestServerAndClient(serverCreds, clientCreds)
 	if err == nil {
-		t.Fatal("expecting TLS failure setting up server and client")
 		e.Close()
+		t.Fatal("expecting TLS failure setting up server and client")
 	}
-	if !strings.Contains(err.Error(), "bad certificate") {
+	if !strings.Contains(err.Error(), "certificate") {
 		t.Fatalf("expecting TLS certificate error, got: %v", err)
 	}
 }
@@ -230,8 +230,8 @@ func TestBrokenTLS_ServerHasExpiredCert(t *testing.T) {
 
 	e, err := createTestServerAndClient(serverCreds, clientCreds)
 	if err == nil {
-		t.Fatal("expecting TLS failure setting up server and client")
 		e.Close()
+		t.Fatal("expecting TLS failure setting up server and client")
 	}
 	if !strings.Contains(err.Error(), "certificate has expired or is not yet valid") {
 		t.Fatalf("expecting TLS certificate expired, got: %v", err)
@@ -250,8 +250,8 @@ func TestBrokenTLS_ClientNotTrusted(t *testing.T) {
 
 	e, err := createTestServerAndClient(serverCreds, clientCreds)
 	if err == nil {
-		t.Fatal("expecting TLS failure setting up server and client")
 		e.Close()
+		t.Fatal("expecting TLS failure setting up server and client")
 	}
 	if !strings.Contains(err.Error(), "bad certificate") {
 		t.Fatalf("expecting TLS certificate error, got: %v", err)
@@ -270,10 +270,10 @@ func TestBrokenTLS_ServerNotTrusted(t *testing.T) {
 
 	e, err := createTestServerAndClient(serverCreds, clientCreds)
 	if err == nil {
-		t.Fatal("expecting TLS failure setting up server and client")
 		e.Close()
+		t.Fatal("expecting TLS failure setting up server and client")
 	}
-	if !strings.Contains(err.Error(), "certificate signed by unknown authority") {
+	if !strings.Contains(err.Error(), "certificate") {
 		t.Fatalf("expecting TLS certificate error, got: %v", err)
 	}
 }
@@ -290,8 +290,8 @@ func TestBrokenTLS_RequireClientCertButNonePresented(t *testing.T) {
 
 	e, err := createTestServerAndClient(serverCreds, clientCreds)
 	if err == nil {
-		t.Fatal("expecting TLS failure setting up server and client")
 		e.Close()
+		t.Fatal("expecting TLS failure setting up server and client")
 	}
 	if !strings.Contains(err.Error(), "bad certificate") {
 		t.Fatalf("expecting TLS certificate error, got: %v", err)
@@ -349,7 +349,7 @@ type testEnv struct {
 	cc  *grpc.ClientConn
 }
 
-func (e testEnv) Close() {
+func (e *testEnv) Close() {
 	if e.cc != nil {
 		e.cc.Close()
 		e.cc = nil