Bump github.com/jhump/protoreflect from 1.17.0 to 1.18.0 (#545)

Bumps [github.com/jhump/protoreflect](https://github.com/jhump/protoreflect) from 1.17.0 to 1.18.0.
- [Release notes](https://github.com/jhump/protoreflect/releases)
- [Commits](https://github.com/jhump/protoreflect/compare/v1.17.0...v1.18.0)

---
updated-dependencies:
- dependency-name: github.com/jhump/protoreflect
  dependency-version: 1.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.circleci/config.yml

@@ -0,0 +1,40 @@
+shared_configs:
+  simple_job_steps: &simple_job_steps
+    - checkout
+    - run:
+        name: Run tests
+        command: |
+          make test
+
+# 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-1-23:
+    working_directory: ~/repo
+    docker:
+      - image: cimg/go:1.23
+    steps: *simple_job_steps
+
+  build-1-24:
+    working_directory: ~/repo
+    docker:
+      - image: cimg/go:1.24
+    steps: *simple_job_steps
+
+  build-1-25:
+    working_directory: ~/repo
+    docker:
+      - image: cimg/go:1.25
+    steps:
+      - checkout
+      - run:
+          name: Run tests and linters
+          command: |
+            make ci
+
+workflows:
+  pr-build-test:
+    jobs:
+      - build-1-23
+      - build-1-24
+      - build-1-25

.github/dependabot.yml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    # Check for updates once a week
+    schedule:
+      interval: "weekly"

.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

@@ -1,2 +1,5 @@
 dist/
+.idea/
 VERSION
+.tmp/
+*.snap

.goreleaser.yml

@@ -8,17 +8,56 @@ builds:
     goarch:
       - amd64
       - 386
+      - arm
+      - arm64
+      - s390x
+      - ppc64le
+    goarm:
+      - 5
+      - 6
+      - 7
+    ignore:
+      - goos: darwin
+        goarch: 386
+      - goos: windows
+        goarch: arm64
+      - goos: darwin
+        goarch: arm
+      - goos: windows
+        goarch: arm
+      - goos: darwin
+        goarch: s390x
+      - goos: windows
+        goarch: s390x
+      - goos: darwin
+        goarch: ppc64le
+      - goos: windows
+        goarch: ppc64le
     ldflags:
       - -s -w -X main.version=v{{.Version}}
 
 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

.travis.yml

@@ -1,24 +0,0 @@
-language: go
-sudo: false
-
-matrix:
-  include:
-    - go: 1.11.x
-      env: GO111MODULE=off
-    - go: 1.11.x
-      env: GO111MODULE=on
-    - go: 1.12.x
-      env: GO111MODULE=off
-    - go: 1.12.x
-      env: GO111MODULE=on
-    - go: 1.13.x
-      env:
-      - GO111MODULE=on
-      - VET=1
-    - go: 1.14.x
-      env: GO111MODULE=on
-    - go: tip
-      env: GO111MODULE=on
-
-script:
-  - if [[ "$VET" = 1 ]]; then make ci; else make deps test; fi

Dockerfile

@@ -1,5 +1,5 @@
-FROM golang:1.13-alpine as builder
-MAINTAINER FullStory Engineering
+FROM golang:1.25-alpine AS builder
+LABEL maintainer="Fullstory Engineering"
 
 # create non-privileged group and user
 RUN addgroup -S grpcurl && adduser -S grpcurl -G grpcurl
@@ -11,13 +11,20 @@ COPY cmd /tmp/fullstorydev/grpcurl/cmd
 # and build a completely static binary (so we can use
 # scratch as basis for the final image)
 ENV CGO_ENABLED=0
-ENV GOOS=linux
-ENV GOARCH=amd64
 ENV GO111MODULE=on
 RUN go build -o /grpcurl \
     -ldflags "-w -extldflags \"-static\" -X \"main.version=$(cat VERSION)\"" \
     ./cmd/grpcurl
 
+FROM alpine:3 AS alpine
+WORKDIR /
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=builder /etc/passwd /etc/passwd
+COPY --from=builder /grpcurl /bin/grpcurl
+USER grpcurl
+
+ENTRYPOINT ["/bin/grpcurl"]
+
 # New FROM so we have a nice'n'tiny image
 FROM scratch
 WORKDIR /

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
+export GOFLAGS=-trimpath
+export GOWORK=off
+
 # 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 get github.com/goreleaser/goreleaser
-	goreleaser --rm-dist
+	@go install github.com/goreleaser/goreleaser@v1.21.0
+	goreleaser release --clean
 
 .PHONY: docker
 docker:
@@ -31,6 +40,22 @@ 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 install github.com/jhump/protoreflect/desc/sourceinfo/cmd/protoc-gen-gosrcinfo@v1.14.1
+	go generate ./...
+	go mod tidy
+
+.PHONY: checkgenerate
+checkgenerate: generate
+	git status --porcelain -- '**/*.go'
+	@if [ -n "$$(git status --porcelain -- '**/*.go')" ]; then \
+		git diff -- '**/*.go'; \
+		exit 1; \
+	fi
+
 .PHONY: checkgofmt
 checkgofmt:
 	gofmt -s -l .
@@ -42,35 +67,37 @@ 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 get honnef.co/go/tools/cmd/staticcheck
-	staticcheck ./...
+	@go install honnef.co/go/tools/cmd/staticcheck@2025.1.1
+	staticcheck -checks "inherit,-SA1019" ./...
 
 .PHONY: ineffassign
 ineffassign:
-	@go get github.com/gordonklaus/ineffassign
+	@go install github.com/gordonklaus/ineffassign@7953dde2c7bf
 	ineffassign .
 
 .PHONY: predeclared
 predeclared:
-	@go get github.com/nishanths/predeclared
-	predeclared .
+	@go install github.com/nishanths/predeclared@51e8c974458a0f93dc03fe356f91ae1a6d791e6f
+	predeclared ./...
 
 # Intentionally omitted from CI, but target here for ad-hoc reports.
 .PHONY: golint
 golint:
-	@go get golang.org/x/lint/golint
+	@go install golang.org/x/lint/golint@v0.0.0-20210508222113-6edffad5e616
 	golint -min_confidence 0.9 -set_exit_status ./...
 
 # Intentionally omitted from CI, but target here for ad-hoc reports.
 .PHONY: errcheck
 errcheck:
-	@go get github.com/kisielk/errcheck
+	@go install github.com/kisielk/errcheck@v1.2.0
 	errcheck ./...
 
 .PHONY: test
-test:
-	go test -race ./...
+test: deps
+	CGO_ENABLED=1 go test -race ./...
+
+.tmp/protoc/bin/protoc: ./Makefile ./download_protoc.sh
+	./download_protoc.sh
+

README.md

@@ -1,6 +1,7 @@
 # gRPCurl
-[![Build Status](https://travis-ci.com/fullstorydev/grpcurl.svg?branch=master)](https://travis-ci.com/github/fullstorydev/grpcurl/branches)
+[![Build Status](https://circleci.com/gh/fullstorydev/grpcurl/tree/master.svg?style=svg)](https://circleci.com/gh/fullstorydev/grpcurl/tree/master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/fullstorydev/grpcurl)](https://goreportcard.com/report/github.com/fullstorydev/grpcurl)
+[![Snap Release Status](https://snapcraft.io/grpcurl/badge.svg)](https://snapcraft.io/grpcurl)
 
 `grpcurl` is a command-line tool that lets you interact with gRPC servers. It's
 basically `curl` for gRPC servers.
@@ -14,7 +15,7 @@ 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
@@ -35,9 +36,9 @@ See also the [`grpcurl` talk at GopherCon 2018](https://www.youtube.com/watch?v=
 operate bi-directional streaming methods interactively by running `grpcurl` from an
 interactive terminal and using stdin as the request body!
 
-`grpcurl` supports both plain-text and TLS servers and has numerous options for TLS
-configuration. It also supports mutual TLS, where the client is required to present a
-client certificate.
+`grpcurl` supports both secure/TLS servers _and_ plain-text servers (i.e. no TLS) and has
+numerous options for TLS configuration. It also supports mutual TLS, where the client is
+required to present a client certificate.
 
 As mentioned above, `grpcurl` works seamlessly if the server supports the reflection
 service. If not, you can supply the `.proto` source files or you can supply protoset
@@ -49,32 +50,63 @@ files (containing compiled descriptors, produced by `protoc`) to `grpcurl`.
 
 Download the binary from the [releases](https://github.com/fullstorydev/grpcurl/releases) page.
 
+### Homebrew (macOS)
+
 On macOS, `grpcurl` is available via Homebrew:
 ```shell
 brew install grpcurl
 ```
 
-### From Source
-You can use the `go` tool to install `grpcurl`:
+### Docker
+
+For platforms that support Docker, you can download an image that lets you run `grpcurl`:
 ```shell
-go get github.com/fullstorydev/grpcurl
-go install github.com/fullstorydev/grpcurl/cmd/grpcurl
+# Download image
+docker pull fullstorydev/grpcurl:latest
+# Run the tool
+docker run fullstorydev/grpcurl api.grpc.me:443 list
+```
+Note that there are some pitfalls when using docker:
+- If you need to interact with a server listening on the host's loopback network, you must specify the host as `host.docker.internal` instead of `localhost` (for Mac or Windows) _OR_ have the container use the host network with `-network="host"` (Linux only).
+- If you need to provide proto source files or descriptor sets, you must mount the folder containing the files as a volume (`-v $(pwd):/protos`) and adjust the import paths to container paths accordingly.
+- If you want to provide the request message via stdin, using the `-d @` option, you need to use the `-i` flag on the docker command.
+
+### Other Packages
+
+There are numerous other ways to install `grpcurl`, thanks to support from third parties that
+have created recipes/packages for it. These include other ways to install `grpcurl` on a variety
+of environments, including Windows and myriad Linux distributions.
+
+You can see more details and the full list of other packages for `grpcurl` at _repology.org_:
+https://repology.org/project/grpcurl/information
+
+### Snap
+
+You can install `grpcurl` using the snap package:
+
+`snap install grpcurl`
+
+### From Source
+If you already have the [Go SDK](https://golang.org/doc/install) installed, you can use the `go`
+tool to install `grpcurl`:
+```shell
+go install github.com/fullstorydev/grpcurl/cmd/grpcurl@latest
 ```
 
 This installs the command into the `bin` sub-folder of wherever your `$GOPATH`
-environment variable points. If this directory is already in your `$PATH`, then
-you should be good to go.
+environment variable points. (If you have no `GOPATH` environment variable set,
+the default install location is `$HOME/go/bin`). If this directory is already in
+your `$PATH`, then you should be good to go.
 
 If you have already pulled down this repo to a location that is not in your
 `$GOPATH` and want to build from the sources, you can `cd` into the repo and then
 run `make install`.
 
-If you encounter compile errors, you could have out-dated versions of `grpcurl`'s
-dependencies. You can update the dependencies by running `make updatedeps`. You can
-also use [`vgo`](https://github.com/golang/vgo) to install, which will use the right
-versions of dependencies. Or, if you are using Go 1.11, you can add `GO111MODULE=on`
-as a prefix to the commands above, which will also build using the right versions of
-dependencies (vs. whatever you may already in your `GOPATH`).
+If you encounter compile errors and are using a version of the Go SDK older than 1.13,
+you could have out-dated versions of `grpcurl`'s dependencies. You can update the
+dependencies by running `make updatedeps`. Or, if you are using Go 1.11 or 1.12, you
+can add `GO111MODULE=on` as a prefix to the commands above, which will also build using
+the right versions of dependencies (vs. whatever you may already have in your `GOPATH`).
 
 ## Usage
 The usage doc for the tool explains the numerous options:
@@ -91,6 +123,9 @@ that requires no client certs and supports server reflection is the simplest thi
 do with `grpcurl`. This minimal invocation sends an empty request body:
 ```shell
 grpcurl grpc.server.com:443 my.custom.server.Service/Method
+
+# no TLS
+grpcurl -plaintext grpc.server.com:80 my.custom.server.Service/Method
 ```
 
 To send a non-empty request, use the `-d` argument. Note that all arguments must come
@@ -117,6 +152,13 @@ grpcurl -d @ grpc.server.com:443 my.custom.server.Service/Method <<EOM
 }
 EOM
 ```
+### Adding Headers/Metadata to Request
+Adding of headers / metadata to a rpc request is possible via the `-H name:value` command line option. Multiple headers can be added in a similar fashion.
+Example :
+```shell
+grpcurl -H header1:value1 -H header2:value2 -d '{"id": 1234, "tags": ["foo","bar"]}' grpc.server.com:443 my.custom.server.Service/Method
+```
+For more usage guide, check out the help docs via `grpcurl -help`
 
 ### Listing Services
 To list all services exposed by a server, use the "list" verb. When using `.proto` source
@@ -131,6 +173,13 @@ grpcurl -protoset my-protos.bin list
 
 # Using proto sources
 grpcurl -import-path ../protos -proto my-stuff.proto list
+
+# Export proto files (use -proto-out-dir to specify the output directory)
+grpcurl -plaintext -proto-out-dir "out_protos" "localhost:8787" describe my.custom.server.Service
+
+# Export protoset file (use -protoset-out to specify the output file)
+grpcurl -plaintext -protoset-out "out.protoset" "localhost:8787" describe my.custom.server.Service
+
 ```
 
 The "list" verb also lets you see all methods in a particular service:
@@ -164,7 +213,7 @@ 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

@@ -4,38 +4,44 @@
 package main
 
 import (
+	"context"
 	"flag"
 	"fmt"
 	"io"
+	"math"
 	"os"
 	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
 
-	"github.com/fullstorydev/grpcurl"
-	descpb "github.com/golang/protobuf/protoc-gen-go/descriptor"
-	"github.com/jhump/protoreflect/desc"
+	"github.com/jhump/protoreflect/desc" //lint:ignore SA1019 required to use APIs in other grpcurl package
 	"github.com/jhump/protoreflect/grpcreflect"
-	"golang.org/x/net/context"
 	"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"
 
-	// Register gzip compressor so compressed responses will work:
+	// Register gzip compressor so compressed responses will work
 	_ "google.golang.org/grpc/encoding/gzip"
+	// Register xds so xds and xds-experimental resolver schemes work
+	_ "google.golang.org/grpc/xds"
+
+	"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
 
-var version = "dev build <no version set>"
+const noVersion = "dev build <no version set>"
+
+var version = noVersion
 
 var (
 	exit = os.Exit
@@ -48,11 +54,14 @@ 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.`))
@@ -62,6 +71,13 @@ 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
@@ -82,7 +98,12 @@ 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.
+		`))
 	data = flags.String("d", "", prettify(`
 		Data for request contents. If the value is '@' then the request contents
 		are read from stdin. For calls that accept a stream of requests, the
@@ -98,6 +119,10 @@ var (
 		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.`))
+	allowUnknownFields = flags.Bool("allow-unknown-fields", false, prettify(`
+		When true, the request contents, if 'json' format is used, allows
+		unknown fields to be present. They will be ignored when parsing
+		the request.`))
 	connectTimeout = flags.Float64("connect-timeout", 0, prettify(`
 		The maximum time, in seconds, to wait for connection to be established.
 		Defaults to 10 seconds.`))
@@ -110,9 +135,11 @@ 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
-		useful for preventing batch jobs that use grpcurl from hanging due to
-		slow or bad network links or due to incorrect stream method usage.`))
+		The maximum total time the operation can take, in seconds. This sets a
+                timeout on the gRPC context, allowing both client and server to give up
+		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).`))
@@ -125,10 +152,20 @@ var (
 		file if this option is given. When invoking an RPC and this option is
 		given, the method being invoked and its transitive dependencies will be
 		included in the output file.`))
+	protoOut = flags.String("proto-out-dir", "", prettify(`
+		The name of a directory where the generated .proto files will be written.
+		With the list and describe verbs, the listed or described elements and
+		their transitive dependencies will be written as .proto files in the
+		specified directory if this option is given. When invoking an RPC and
+		this option is given, the method being invoked and its transitive
+		dependencies will be included in the generated .proto files in the
+		output directory.`))
 	msgTemplate = flags.Bool("msg-template", false, prettify(`
 		When describing messages, show a template of input data.`))
 	verbose = flags.Bool("v", false, prettify(`
 		Enable verbose output.`))
+	veryVerbose = flags.Bool("vv", false, prettify(`
+		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.
@@ -143,7 +180,7 @@ func init() {
 	flags.Var(&addlHeaders, "H", prettify(`
 		Additional headers in 'name: value' format. May specify more than one
 		via multiple flags. These headers will also be included in reflection
-		requests requests to a server.`))
+		requests to a server.`))
 	flags.Var(&rpcHeaders, "rpc-header", prettify(`
 		Additional RPC headers in 'name: value' format. May specify more than
 		one via multiple flags. These headers will *only* be used when invoking
@@ -185,6 +222,14 @@ 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
@@ -241,6 +286,32 @@ 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:])
@@ -253,6 +324,9 @@ 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.")
@@ -266,18 +340,27 @@ func main() {
 	if *maxMsgSz < 0 {
 		fail(nil, "The -max-msg-sz argument must not be negative.")
 	}
-	if *plaintext && *insecure {
-		fail(nil, "The -plaintext and -insecure arguments are mutually exclusive.")
+	if *plaintext && *usealts {
+		fail(nil, "The -plaintext and -alts arguments are mutually exclusive.")
 	}
-	if *plaintext && *cert != "" {
-		fail(nil, "The -plaintext and -cert arguments are mutually exclusive.")
+	if *insecure && !usetls {
+		fail(nil, "The -insecure argument can only be used with TLS.")
 	}
-	if *plaintext && *key != "" {
-		fail(nil, "The -plaintext and -key arguments are mutually exclusive.")
+	if *cert != "" && !usetls {
+		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'.")
 	}
@@ -310,6 +393,22 @@ func main() {
 		invoke = true
 	}
 
+	verbosityLevel := 0
+	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
 	if invoke {
 		if len(args) == 0 {
@@ -359,20 +458,24 @@ func main() {
 
 	ctx := context.Background()
 	if *maxTime > 0 {
-		timeout := time.Duration(*maxTime * float64(time.Second))
-		ctx, _ = context.WithTimeout(ctx, timeout)
+		timeout := floatSecondsToDuration(*maxTime)
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, timeout)
+		defer cancel()
 	}
 
 	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))
+			dialTime = floatSecondsToDuration(*connectTimeout)
 		}
 		ctx, cancel := context.WithTimeout(ctx, dialTime)
 		defer cancel()
 		var opts []grpc.DialOption
 		if *keepaliveTime > 0 {
-			timeout := time.Duration(*keepaliveTime * float64(time.Second))
+			timeout := floatSecondsToDuration(*keepaliveTime)
 			opts = append(opts, grpc.WithKeepaliveParams(keepalive.ClientParameters{
 				Time:    timeout,
 				Timeout: timeout,
@@ -381,13 +484,46 @@ func main() {
 		if *maxMsgSz > 0 {
 			opts = append(opts, grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(*maxMsgSz)))
 		}
+		if isUnixSocket != nil && isUnixSocket() && !strings.HasPrefix(target, "unix://") {
+			// prepend unix:// to the address if it's not already there
+			// this is to maintain backwards compatibility because the custom dialer is replaced by
+			// the default dialer in grpc-go.
+			// https://github.com/fullstorydev/grpcurl/pull/480
+			target = "unix://" + target
+		}
 		var creds credentials.TransportCredentials
-		if !*plaintext {
-			var err error
-			creds, err = grpcurl.ClientTransportCredentials(*insecure, *cacert, *cert, *key)
-			if err != nil {
-				fail(err, "Failed to configure transport credentials")
+		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")
+			}
+
+			sslKeylogFile := os.Getenv("SSLKEYLOGFILE")
+			if sslKeylogFile != "" {
+				w, err := os.OpenFile(sslKeylogFile, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0600)
+				if err != nil {
+					fail(err, "Could not open SSLKEYLOGFILE %s", sslKeylogFile)
+				}
+				tlsConf.KeyLogWriter = w
+			}
+
+			creds = credentials.NewTLS(tlsConf)
 
 			// can use either -servername or -authority; but not both
 			if *serverName != "" && *authority != "" {
@@ -403,18 +539,25 @@ func main() {
 			}
 
 			if overrideName != "" {
-				if err := creds.OverrideServerName(overrideName); err != nil {
-					fail(err, "Failed to override server name as %q", overrideName)
-				}
+				opts = append(opts, grpc.WithAuthority(overrideName))
 			}
-		} else if *authority != "" {
-			opts = append(opts, grpc.WithAuthority(*authority))
+			tlsTiming.Done()
+		} else {
+			panic("Should have defaulted to use TLS.")
 		}
-		network := "tcp"
-		if isUnixSocket != nil && isUnixSocket() {
-			network = "unix"
+
+		grpcurlUA := "grpcurl/" + version
+		if version == noVersion {
+			grpcurlUA = "grpcurl/dev-build (no version set)"
 		}
-		cc, err := grpcurl.BlockingDial(ctx, network, target, creds, opts...)
+		if *userAgent != "" {
+			grpcurlUA = *userAgent + " " + grpcurlUA
+		}
+		opts = append(opts, grpc.WithUserAgent(grpcurlUA))
+
+		blockingDialTiming := dialTiming.Child("BlockingDial")
+		defer blockingDialTiming.Done()
+		cc, err := grpcurl.BlockingDial(ctx, "", target, creds, opts...)
 		if err != nil {
 			fail(err, "Failed to dial target host %q", target)
 		}
@@ -465,7 +608,8 @@ 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}
@@ -510,6 +654,9 @@ func main() {
 			if err := writeProtoset(descSource, svcs...); err != nil {
 				fail(err, "Failed to write protoset to %s", *protosetOut)
 			}
+			if err := writeProtos(descSource, svcs...); err != nil {
+				fail(err, "Failed to write protos to %s", *protoOut)
+			}
 		} else {
 			methods, err := grpcurl.ListMethods(descSource, symbol)
 			if err != nil {
@@ -525,6 +672,9 @@ func main() {
 			if err := writeProtoset(descSource, symbol); err != nil {
 				fail(err, "Failed to write protoset to %s", *protosetOut)
 			}
+			if err := writeProtos(descSource, symbol); err != nil {
+				fail(err, "Failed to write protos to %s", *protoOut)
+			}
 		}
 
 	} else if describe {
@@ -571,7 +721,7 @@ func main() {
 					} else {
 						// see if it's a group
 						for _, f := range parent.GetFields() {
-							if f.GetType() == descpb.FieldDescriptorProto_TYPE_GROUP && f.GetMessageType() == d {
+							if f.GetType() == descriptorpb.FieldDescriptorProto_TYPE_GROUP && f.GetMessageType() == d {
 								// found it: describe the map field instead
 								elementType = "the type of a group field"
 								dsc = f
@@ -582,7 +732,7 @@ func main() {
 				}
 			case *desc.FieldDescriptor:
 				elementType = "a field"
-				if d.GetType() == descpb.FieldDescriptorProto_TYPE_GROUP {
+				if d.GetType() == descriptorpb.FieldDescriptorProto_TYPE_GROUP {
 					elementType = "a group field"
 				} else if d.IsExtension() {
 					elementType = "an extension"
@@ -613,7 +763,8 @@ func main() {
 				// for messages, also show a template in JSON, to make it easier to
 				// create a request to invoke an RPC
 				tmpl := grpcurl.MakeTemplate(dsc)
-				_, formatter, err := grpcurl.RequestParserAndFormatterFor(grpcurl.Format(*format), descSource, true, false, nil)
+				options := grpcurl.FormatOptions{EmitJSONDefaultFields: true}
+				_, formatter, err := grpcurl.RequestParserAndFormatter(grpcurl.Format(*format), descSource, nil, options)
 				if err != nil {
 					fail(err, "Failed to construct formatter for %q", *format)
 				}
@@ -628,6 +779,9 @@ func main() {
 		if err := writeProtoset(descSource, symbols...); err != nil {
 			fail(err, "Failed to write protoset to %s", *protosetOut)
 		}
+		if err := writeProtos(descSource, symbol); err != nil {
+			fail(err, "Failed to write protos to %s", *protoOut)
+		}
 
 	} else {
 		// Invoke an RPC
@@ -644,16 +798,31 @@ func main() {
 		// if not verbose output, then also include record delimiters
 		// between each message, so output could potentially be piped
 		// to another grpcurl process
-		includeSeparators := !*verbose
-		rf, formatter, err := grpcurl.RequestParserAndFormatterFor(grpcurl.Format(*format), descSource, *emitDefaults, includeSeparators, in)
+		includeSeparators := verbosityLevel == 0
+		options := grpcurl.FormatOptions{
+			EmitJSONDefaultFields: *emitDefaults,
+			IncludeTextSeparator:  includeSeparators,
+			AllowUnknownFields:    *allowUnknownFields,
+		}
+		rf, formatter, err := grpcurl.RequestParserAndFormatter(grpcurl.Format(*format), descSource, in, options)
 		if err != nil {
 			fail(err, "Failed to construct request parser and formatter for %q", *format)
 		}
-		h := grpcurl.NewDefaultEventHandler(os.Stdout, descSource, formatter, *verbose)
+		h := &grpcurl.DefaultEventHandler{
+			Out:            os.Stdout,
+			Formatter:      formatter,
+			VerbosityLevel: verbosityLevel,
+		}
 
+		invokeTiming := rootTiming.Child("InvokeRPC")
 		err = grpcurl.InvokeRPC(ctx, descSource, cc, symbol, append(addlHeaders, rpcHeaders...), h, rf.Next)
+		invokeTiming.Done()
 		if err != nil {
-			fail(err, "Error invoking method %q", symbol)
+			if errStatus, ok := status.FromError(err); ok && *formatError {
+				h.Status = errStatus
+			} else {
+				fail(err, "Error invoking method %q", symbol)
+			}
 		}
 		reqSuffix := ""
 		respSuffix := ""
@@ -664,7 +833,7 @@ func main() {
 		if h.NumResponses != 1 {
 			respSuffix = "s"
 		}
-		if *verbose {
+		if verbosityLevel > 0 {
 			fmt.Printf("Sent %d request%s and received %d response%s\n", reqCount, reqSuffix, h.NumResponses, respSuffix)
 		}
 		if h.Status.Code() != codes.OK {
@@ -678,6 +847,17 @@ func main() {
 	}
 }
 
+func dumpTiming(td *timingData, lvl int) {
+	var ind strings.Builder
+	for x := 0; x < lvl; x++ {
+		ind.WriteString("  ")
+	}
+	fmt.Printf("%s%s: %s\n", ind.String(), 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]
@@ -725,7 +905,7 @@ 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{}) {
@@ -761,6 +941,13 @@ func writeProtoset(descSource grpcurl.DescriptorSource, symbols ...string) error
 	return grpcurl.WriteProtoset(f, descSource, symbols...)
 }
 
+func writeProtos(descSource grpcurl.DescriptorSource, symbols ...string) error {
+	if *protoOut == "" {
+		return nil
+	}
+	return grpcurl.WriteProtoFiles(*protoOut, descSource, symbols...)
+}
+
 type optionalBoolFlag struct {
 	set, val bool
 }
@@ -785,3 +972,12 @@ func (f *optionalBoolFlag) Set(s string) error {
 func (f *optionalBoolFlag) IsBoolFlag() bool {
 	return true
 }
+
+func floatSecondsToDuration(seconds float64) time.Duration {
+	durationFloat := seconds * float64(time.Second)
+	if durationFloat > math.MaxInt64 {
+		// Avoid overflow
+		return math.MaxInt64
+	}
+	return time.Duration(durationFloat)
+}

cmd/grpcurl/unix.go

@@ -1,4 +1,5 @@
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows
+// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
 
 package main
 

desc_source.go

@@ -1,21 +1,23 @@
 package grpcurl
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
+	"os"
+	"path/filepath"
 	"sync"
 
-	"github.com/golang/protobuf/proto"
-	descpb "github.com/golang/protobuf/protoc-gen-go/descriptor"
-	"github.com/jhump/protoreflect/desc"
-	"github.com/jhump/protoreflect/desc/protoparse"
-	"github.com/jhump/protoreflect/dynamic"
+	"github.com/golang/protobuf/proto"              //lint:ignore SA1019 we have to import these because some of their types appear in exported API
+	"github.com/jhump/protoreflect/desc"            //lint:ignore SA1019 same as above
+	"github.com/jhump/protoreflect/desc/protoparse" //lint:ignore SA1019 same as above
+	"github.com/jhump/protoreflect/desc/protoprint"
+	"github.com/jhump/protoreflect/dynamic" //lint:ignore SA1019 same as above
 	"github.com/jhump/protoreflect/grpcreflect"
-	"golang.org/x/net/context"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/descriptorpb"
 )
 
 // ErrReflectionNotSupported is returned by DescriptorSource operations that
@@ -39,13 +41,13 @@ type DescriptorSource interface {
 // DescriptorSourceFromProtoSets creates a DescriptorSource that is backed by the named files, whose contents
 // are encoded FileDescriptorSet protos.
 func DescriptorSourceFromProtoSets(fileNames ...string) (DescriptorSource, error) {
-	files := &descpb.FileDescriptorSet{}
+	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)
 		}
-		var fs descpb.FileDescriptorSet
+		var fs descriptorpb.FileDescriptorSet
 		err = proto.Unmarshal(b, &fs)
 		if err != nil {
 			return nil, fmt.Errorf("could not parse contents of protoset file %q: %v", fileName, err)
@@ -76,8 +78,8 @@ func DescriptorSourceFromProtoFiles(importPaths []string, fileNames ...string) (
 }
 
 // DescriptorSourceFromFileDescriptorSet creates a DescriptorSource that is backed by the FileDescriptorSet.
-func DescriptorSourceFromFileDescriptorSet(files *descpb.FileDescriptorSet) (DescriptorSource, error) {
-	unresolved := map[string]*descpb.FileDescriptorProto{}
+func DescriptorSourceFromFileDescriptorSet(files *descriptorpb.FileDescriptorSet) (DescriptorSource, error) {
+	unresolved := map[string]*descriptorpb.FileDescriptorProto{}
 	for _, fd := range files.File {
 		unresolved[fd.GetName()] = fd
 	}
@@ -91,7 +93,7 @@ func DescriptorSourceFromFileDescriptorSet(files *descpb.FileDescriptorSet) (Des
 	return &fileSource{files: resolved}, nil
 }
 
-func resolveFileDescriptor(unresolved map[string]*descpb.FileDescriptorProto, resolved map[string]*desc.FileDescriptor, filename string) (*desc.FileDescriptor, error) {
+func resolveFileDescriptor(unresolved map[string]*descriptorpb.FileDescriptorProto, resolved map[string]*desc.FileDescriptor, filename string) (*desc.FileDescriptor, error) {
 	if r, ok := resolved[filename]; ok {
 		return r, nil
 	}
@@ -258,29 +260,19 @@ func reflectionSupport(err error) error {
 // given output. The output will include descriptors for all files in which the
 // symbols are defined as well as their transitive dependencies.
 func WriteProtoset(out io.Writer, descSource DescriptorSource, symbols ...string) error {
-	// compute set of file descriptors
-	filenames := make([]string, 0, len(symbols))
-	fds := make(map[string]*desc.FileDescriptor, len(symbols))
-	for _, sym := range symbols {
-		d, err := descSource.FindSymbol(sym)
-		if err != nil {
-			return fmt.Errorf("failed to find descriptor for %q: %v", sym, err)
-		}
-		fd := d.GetFile()
-		if _, ok := fds[fd.GetName()]; !ok {
-			fds[fd.GetName()] = fd
-			filenames = append(filenames, fd.GetName())
-		}
+	filenames, fds, err := getFileDescriptors(symbols, descSource)
+	if err != nil {
+		return err
 	}
 	// now expand that to include transitive dependencies in topologically sorted
 	// order (such that file always appears after its dependencies)
 	expandedFiles := make(map[string]struct{}, len(fds))
-	allFilesSlice := make([]*descpb.FileDescriptorProto, 0, len(fds))
+	allFilesSlice := make([]*descriptorpb.FileDescriptorProto, 0, len(fds))
 	for _, filename := range filenames {
 		allFilesSlice = addFilesToSet(allFilesSlice, expandedFiles, fds[filename])
 	}
 	// now we can serialize to file
-	b, err := proto.Marshal(&descpb.FileDescriptorSet{File: allFilesSlice})
+	b, err := proto.Marshal(&descriptorpb.FileDescriptorSet{File: allFilesSlice})
 	if err != nil {
 		return fmt.Errorf("failed to serialize file descriptor set: %v", err)
 	}
@@ -290,7 +282,7 @@ func WriteProtoset(out io.Writer, descSource DescriptorSource, symbols ...string
 	return nil
 }
 
-func addFilesToSet(allFiles []*descpb.FileDescriptorProto, expanded map[string]struct{}, fd *desc.FileDescriptor) []*descpb.FileDescriptorProto {
+func addFilesToSet(allFiles []*descriptorpb.FileDescriptorProto, expanded map[string]struct{}, fd *desc.FileDescriptor) []*descriptorpb.FileDescriptorProto {
 	if _, ok := expanded[fd.GetName()]; ok {
 		// already seen this one
 		return allFiles
@@ -302,3 +294,76 @@ func addFilesToSet(allFiles []*descpb.FileDescriptorProto, expanded map[string]s
 	}
 	return append(allFiles, fd.AsFileDescriptorProto())
 }
+
+// WriteProtoFiles will use the given descriptor source to resolve all the given
+// symbols and write proto files with their definitions to the given output directory.
+func WriteProtoFiles(outProtoDirPath string, descSource DescriptorSource, symbols ...string) error {
+	filenames, fds, err := getFileDescriptors(symbols, descSource)
+	if err != nil {
+		return err
+	}
+	// now expand that to include transitive dependencies in topologically sorted
+	// order (such that file always appears after its dependencies)
+	expandedFiles := make(map[string]struct{}, len(fds))
+	allFileDescriptors := make([]*desc.FileDescriptor, 0, len(fds))
+	for _, filename := range filenames {
+		allFileDescriptors = addFilesToFileDescriptorList(allFileDescriptors, expandedFiles, fds[filename])
+	}
+	pr := protoprint.Printer{}
+	// now we can serialize to files
+	for i := range allFileDescriptors {
+		if err := writeProtoFile(outProtoDirPath, allFileDescriptors[i], &pr); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func writeProtoFile(outProtoDirPath string, fd *desc.FileDescriptor, pr *protoprint.Printer) error {
+	outFile := filepath.Join(outProtoDirPath, fd.GetFullyQualifiedName())
+	outDir := filepath.Dir(outFile)
+	if err := os.MkdirAll(outDir, 0777); err != nil {
+		return fmt.Errorf("failed to create directory %q: %w", outDir, err)
+	}
+
+	f, err := os.Create(outFile)
+	if err != nil {
+		return fmt.Errorf("failed to create proto file %q: %w", outFile, err)
+	}
+	defer f.Close()
+	if err := pr.PrintProtoFile(fd, f); err != nil {
+		return fmt.Errorf("failed to write proto file %q: %w", outFile, err)
+	}
+	return nil
+}
+
+func getFileDescriptors(symbols []string, descSource DescriptorSource) ([]string, map[string]*desc.FileDescriptor, error) {
+	// compute set of file descriptors
+	filenames := make([]string, 0, len(symbols))
+	fds := make(map[string]*desc.FileDescriptor, len(symbols))
+	for _, sym := range symbols {
+		d, err := descSource.FindSymbol(sym)
+		if err != nil {
+			return nil, nil, fmt.Errorf("failed to find descriptor for %q: %v", sym, err)
+		}
+		fd := d.GetFile()
+		if _, ok := fds[fd.GetName()]; !ok {
+			fds[fd.GetName()] = fd
+			filenames = append(filenames, fd.GetName())
+		}
+	}
+	return filenames, fds, nil
+}
+
+func addFilesToFileDescriptorList(allFiles []*desc.FileDescriptor, expanded map[string]struct{}, fd *desc.FileDescriptor) []*desc.FileDescriptor {
+	if _, ok := expanded[fd.GetName()]; ok {
+		// already seen this one
+		return allFiles
+	}
+	expanded[fd.GetName()] = struct{}{}
+	// add all dependencies first
+	for _, dep := range fd.GetDependencies() {
+		allFiles = addFilesToFileDescriptorList(allFiles, expanded, dep)
+	}
+	return append(allFiles, fd)
+}

desc_source_test.go

@@ -2,24 +2,24 @@ package grpcurl
 
 import (
 	"bytes"
-	"io/ioutil"
+	"os"
 	"testing"
 
-	"github.com/golang/protobuf/proto"
-	"github.com/golang/protobuf/protoc-gen-go/descriptor"
+	"github.com/golang/protobuf/proto" //lint:ignore SA1019 we have to import this because it appears in exported API
+	"google.golang.org/protobuf/types/descriptorpb"
 )
 
 func TestWriteProtoset(t *testing.T) {
-	exampleProtoset, err := loadProtoset("./testing/example.protoset")
+	exampleProtoset, err := loadProtoset("./internal/testing/example.protoset")
 	if err != nil {
 		t.Fatalf("failed to load example.protoset: %v", err)
 	}
-	testProtoset, err := loadProtoset("./testing/test.protoset")
+	testProtoset, err := loadProtoset("./internal/testing/test.protoset")
 	if err != nil {
 		t.Fatalf("failed to load test.protoset: %v", err)
 	}
 
-	mergedProtoset := &descriptor.FileDescriptorSet{
+	mergedProtoset := &descriptorpb.FileDescriptorSet{
 		File: append(exampleProtoset.File, testProtoset.File...),
 	}
 
@@ -29,29 +29,29 @@ func TestWriteProtoset(t *testing.T) {
 	}
 
 	checkWriteProtoset(t, descSrc, exampleProtoset, "TestService")
-	checkWriteProtoset(t, descSrc, testProtoset, "grpc.testing.TestService")
-	checkWriteProtoset(t, descSrc, mergedProtoset, "TestService", "grpc.testing.TestService")
+	checkWriteProtoset(t, descSrc, testProtoset, "testing.TestService")
+	checkWriteProtoset(t, descSrc, mergedProtoset, "TestService", "testing.TestService")
 }
 
-func loadProtoset(path string) (*descriptor.FileDescriptorSet, error) {
-	b, err := ioutil.ReadFile(path)
+func loadProtoset(path string) (*descriptorpb.FileDescriptorSet, error) {
+	b, err := os.ReadFile(path)
 	if err != nil {
 		return nil, err
 	}
-	var protoset descriptor.FileDescriptorSet
+	var protoset descriptorpb.FileDescriptorSet
 	if err := proto.Unmarshal(b, &protoset); err != nil {
 		return nil, err
 	}
 	return &protoset, nil
 }
 
-func checkWriteProtoset(t *testing.T, descSrc DescriptorSource, protoset *descriptor.FileDescriptorSet, symbols ...string) {
+func checkWriteProtoset(t *testing.T, descSrc DescriptorSource, protoset *descriptorpb.FileDescriptorSet, symbols ...string) {
 	var buf bytes.Buffer
 	if err := WriteProtoset(&buf, descSrc, symbols...); err != nil {
 		t.Fatalf("failed to write protoset: %v", err)
 	}
 
-	var result descriptor.FileDescriptorSet
+	var result descriptorpb.FileDescriptorSet
 	if err := proto.Unmarshal(buf.Bytes(), &result); err != nil {
 		t.Fatalf("failed to unmarshal written protoset: %v", 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

@@ -11,10 +11,10 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/golang/protobuf/jsonpb"
-	"github.com/golang/protobuf/proto"
-	"github.com/jhump/protoreflect/desc"
-	"github.com/jhump/protoreflect/dynamic"
+	"github.com/golang/protobuf/jsonpb"     //lint:ignore SA1019 we have to import these because some of their types appear in exported API
+	"github.com/golang/protobuf/proto"      //lint:ignore SA1019 same as above
+	"github.com/jhump/protoreflect/desc"    //lint:ignore SA1019 same as above
+	"github.com/jhump/protoreflect/dynamic" //lint:ignore SA1019 same as above
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
@@ -55,6 +55,15 @@ func NewJSONRequestParser(in io.Reader, resolver jsonpb.AnyResolver) RequestPars
 	}
 }
 
+// NewJSONRequestParserWithUnmarshaler is like NewJSONRequestParser but
+// accepts a protobuf jsonpb.Unmarshaler instead of jsonpb.AnyResolver.
+func NewJSONRequestParserWithUnmarshaler(in io.Reader, unmarshaler jsonpb.Unmarshaler) RequestParser {
+	return &jsonRequestParser{
+		dec:         json.NewDecoder(in),
+		unmarshaler: unmarshaler,
+	}
+}
+
 func (f *jsonRequestParser) Next(m proto.Message) error {
 	var msg json.RawMessage
 	if err := f.dec.Decode(&msg); err != nil {
@@ -127,10 +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
@@ -188,10 +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")
 )
 
@@ -255,11 +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
-	if exts, err := r.source.AllExtensionsForType(mname); err != nil {
-		return nil, err
-	} else if err := r.er.AddExtension(exts...); err != nil {
-		return nil, err
+	// populate any extensions for this message, too (if there are any)
+	if exts, err := r.source.AllExtensionsForType(mname); err == nil {
+		if err := r.er.AddExtension(exts...); err != nil {
+			return nil, err
+		}
 	}
 
 	if r.mf == nil {
@@ -296,6 +330,7 @@ func (r anyResolverWithFallback) Resolve(typeUrl string) (proto.Message, error)
 	if slash := strings.LastIndex(mname, "/"); slash >= 0 {
 		mname = mname[slash+1:]
 	}
+	//lint:ignore SA1019 new non-deprecated API requires other code changes; deferring...
 	mt := proto.MessageType(mname)
 	if mt != nil {
 		return reflect.New(mt.Elem()).Interface().(proto.Message), nil
@@ -342,31 +377,70 @@ func (a *unknownAny) ProtoMessage() {
 
 var _ proto.Message = (*unknownAny)(nil)
 
+// FormatOptions is a set of flags that are passed to a JSON or text formatter.
+type FormatOptions struct {
+	// EmitJSONDefaultFields flag, when true, includes empty/default values in the output.
+	// FormatJSON only flag.
+	EmitJSONDefaultFields bool
+
+	// AllowUnknownFields is an option for the parser. When true,
+	// it accepts input which includes unknown fields. These unknown fields
+	// are skipped instead of returning an error.
+	// FormatJSON only flag.
+	AllowUnknownFields bool
+
+	// IncludeTextSeparator is true then, when invoked to format multiple messages,
+	// all messages after the first one will be prefixed with the
+	// ASCII 'Record Separator' character (0x1E).
+	// It might be useful when the output is piped to another grpcurl process.
+	// FormatText only flag.
+	IncludeTextSeparator bool
+}
+
+// RequestParserAndFormatter returns a request parser and formatter for the
+// given format. The given descriptor source may be used for parsing message
+// data (if needed by the format).
+// It accepts a set of options. The field EmitJSONDefaultFields and IncludeTextSeparator
+// are options for JSON and protobuf text formats, respectively. The AllowUnknownFields field
+// is a JSON-only format flag.
+// Requests will be parsed from the given in.
+func RequestParserAndFormatter(format Format, descSource DescriptorSource, in io.Reader, opts FormatOptions) (RequestParser, Formatter, error) {
+	switch format {
+	case FormatJSON:
+		resolver := AnyResolverFromDescriptorSource(descSource)
+		unmarshaler := jsonpb.Unmarshaler{AnyResolver: resolver, AllowUnknownFields: opts.AllowUnknownFields}
+		return NewJSONRequestParserWithUnmarshaler(in, unmarshaler), NewJSONFormatter(opts.EmitJSONDefaultFields, anyResolverWithFallback{AnyResolver: resolver}), nil
+	case FormatText:
+		return NewTextRequestParser(in), NewTextFormatter(opts.IncludeTextSeparator), nil
+	default:
+		return nil, nil, fmt.Errorf("unknown format: %s", format)
+	}
+}
+
 // RequestParserAndFormatterFor returns a request parser and formatter for the
 // given format. The given descriptor source may be used for parsing message
 // data (if needed by the format). The flags emitJSONDefaultFields and
 // includeTextSeparator are options for JSON and protobuf text formats,
 // respectively. Requests will be parsed from the given in.
+// This function is deprecated. Please use RequestParserAndFormatter instead.
+// DEPRECATED
 func RequestParserAndFormatterFor(format Format, descSource DescriptorSource, emitJSONDefaultFields, includeTextSeparator bool, in io.Reader) (RequestParser, Formatter, error) {
-	switch format {
-	case FormatJSON:
-		resolver := AnyResolverFromDescriptorSource(descSource)
-		return NewJSONRequestParser(in, resolver), NewJSONFormatter(emitJSONDefaultFields, anyResolverWithFallback{AnyResolver: resolver}), nil
-	case FormatText:
-		return NewTextRequestParser(in), NewTextFormatter(includeTextSeparator), nil
-	default:
-		return nil, nil, fmt.Errorf("unknown format: %s", format)
-	}
+	return RequestParserAndFormatter(format, descSource, in, FormatOptions{
+		EmitJSONDefaultFields: emitJSONDefaultFields,
+		IncludeTextSeparator:  includeTextSeparator,
+	})
 }
 
 // DefaultEventHandler logs events to a writer. This is not thread-safe, but is
 // safe for use with InvokeRPC as long as NumResponses and Status are not read
 // until the call to InvokeRPC completes.
 type DefaultEventHandler struct {
-	out        io.Writer
-	descSource DescriptorSource
-	formatter  func(proto.Message) (string, error)
-	verbose    bool
+	Out       io.Writer
+	Formatter Formatter
+	// 0 = default
+	// 1 = verbose
+	// 2 = very verbose
+	VerbosityLevel int
 
 	// NumResponses is the number of responses that have been received.
 	NumResponses int
@@ -378,54 +452,65 @@ type DefaultEventHandler struct {
 // NewDefaultEventHandler returns an InvocationEventHandler that logs events to
 // the given output. If verbose is true, all events are logged. Otherwise, only
 // response messages are logged.
+//
+// Deprecated: NewDefaultEventHandler exists for compatibility.
+// It doesn't allow fine control over the `VerbosityLevel`
+// and provides only 0 and 1 options (which corresponds to the `verbose` argument).
+// Use DefaultEventHandler{} initializer directly.
 func NewDefaultEventHandler(out io.Writer, descSource DescriptorSource, formatter Formatter, verbose bool) *DefaultEventHandler {
+	verbosityLevel := 0
+	if verbose {
+		verbosityLevel = 1
+	}
 	return &DefaultEventHandler{
-		out:        out,
-		descSource: descSource,
-		formatter:  formatter,
-		verbose:    verbose,
+		Out:            out,
+		Formatter:      formatter,
+		VerbosityLevel: verbosityLevel,
 	}
 }
 
 var _ InvocationEventHandler = (*DefaultEventHandler)(nil)
 
 func (h *DefaultEventHandler) OnResolveMethod(md *desc.MethodDescriptor) {
-	if h.verbose {
-		txt, err := GetDescriptorText(md, h.descSource)
+	if h.VerbosityLevel > 0 {
+		txt, err := GetDescriptorText(md, nil)
 		if err == nil {
-			fmt.Fprintf(h.out, "\nResolved method descriptor:\n%s\n", txt)
+			fmt.Fprintf(h.Out, "\nResolved method descriptor:\n%s\n", txt)
 		}
 	}
 }
 
 func (h *DefaultEventHandler) OnSendHeaders(md metadata.MD) {
-	if h.verbose {
-		fmt.Fprintf(h.out, "\nRequest metadata to send:\n%s\n", MetadataToString(md))
+	if h.VerbosityLevel > 0 {
+		fmt.Fprintf(h.Out, "\nRequest metadata to send:\n%s\n", MetadataToString(md))
 	}
 }
 
 func (h *DefaultEventHandler) OnReceiveHeaders(md metadata.MD) {
-	if h.verbose {
-		fmt.Fprintf(h.out, "\nResponse headers received:\n%s\n", MetadataToString(md))
+	if h.VerbosityLevel > 0 {
+		fmt.Fprintf(h.Out, "\nResponse headers received:\n%s\n", MetadataToString(md))
 	}
 }
 
 func (h *DefaultEventHandler) OnReceiveResponse(resp proto.Message) {
 	h.NumResponses++
-	if h.verbose {
-		fmt.Fprint(h.out, "\nResponse contents:\n")
+	if h.VerbosityLevel > 1 {
+		fmt.Fprintf(h.Out, "\nEstimated response size: %d bytes\n", proto.Size(resp))
 	}
-	if respStr, err := h.formatter(resp); err != nil {
-		fmt.Fprintf(h.out, "Failed to format response message %d: %v\n", h.NumResponses, err)
+	if h.VerbosityLevel > 0 {
+		fmt.Fprint(h.Out, "\nResponse contents:\n")
+	}
+	if respStr, err := h.Formatter(resp); err != nil {
+		fmt.Fprintf(h.Out, "Failed to format response message %d: %v\n", h.NumResponses, err)
 	} else {
-		fmt.Fprintln(h.out, respStr)
+		fmt.Fprintln(h.Out, respStr)
 	}
 }
 
 func (h *DefaultEventHandler) OnReceiveTrailers(stat *status.Status, md metadata.MD) {
 	h.Status = stat
-	if h.verbose {
-		fmt.Fprintf(h.out, "\nResponse trailers received:\n%s\n", MetadataToString(md))
+	if h.VerbosityLevel > 0 {
+		fmt.Fprintf(h.Out, "\nResponse trailers received:\n%s\n", MetadataToString(md))
 	}
 }
 

format_test.go

@@ -7,15 +7,15 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/golang/protobuf/jsonpb"
-	"github.com/golang/protobuf/proto"
-	"github.com/golang/protobuf/ptypes/struct"
-	"github.com/jhump/protoreflect/desc"
+	"github.com/golang/protobuf/jsonpb"  //lint:ignore SA1019 we have to import these because some of their types appear in exported API
+	"github.com/golang/protobuf/proto"   //lint:ignore SA1019 same as above
+	"github.com/jhump/protoreflect/desc" //lint:ignore SA1019 same as above
 	"google.golang.org/grpc/metadata"
+	"google.golang.org/protobuf/types/known/structpb"
 )
 
 func TestRequestParser(t *testing.T) {
-	source, err := DescriptorSourceFromProtoSets("testing/example.protoset")
+	source, err := DescriptorSourceFromProtoSets("internal/testing/example.protoset")
 	if err != nil {
 		t.Fatalf("failed to create descriptor source: %v", err)
 	}
@@ -69,7 +69,7 @@ func TestRequestParser(t *testing.T) {
 
 	for i, tc := range testCases {
 		name := fmt.Sprintf("#%d, %s, %d message(s)", i+1, tc.format, len(tc.expectedOutput))
-		rf, _, err := RequestParserAndFormatterFor(tc.format, source, false, false, strings.NewReader(tc.input))
+		rf, _, err := RequestParserAndFormatter(tc.format, source, strings.NewReader(tc.input), FormatOptions{})
 		if err != nil {
 			t.Errorf("Failed to create parser and formatter: %v", err)
 			continue
@@ -97,7 +97,7 @@ func TestRequestParser(t *testing.T) {
 // Handler prints response data (and headers/trailers in verbose mode).
 // This verifies that we get the right output in both JSON and proto text modes.
 func TestHandler(t *testing.T) {
-	source, err := DescriptorSourceFromProtoSets("testing/example.protoset")
+	source, err := DescriptorSourceFromProtoSets("internal/testing/example.protoset")
 	if err != nil {
 		t.Fatalf("failed to create descriptor source: %v", err)
 	}
@@ -120,20 +120,26 @@ func TestHandler(t *testing.T) {
 
 	for _, format := range []Format{FormatJSON, FormatText} {
 		for _, numMessages := range []int{1, 3} {
-			for _, verbose := range []bool{true, false} {
+			for verbosityLevel := 0; verbosityLevel <= 2; verbosityLevel++ {
 				name := fmt.Sprintf("%s, %d message(s)", format, numMessages)
-				if verbose {
-					name += ", verbose"
+				if verbosityLevel > 0 {
+					name += fmt.Sprintf(", verbosityLevel=%d", verbosityLevel)
 				}
 
-				_, formatter, err := RequestParserAndFormatterFor(format, source, false, !verbose, nil)
+				verbose := verbosityLevel > 0
+
+				_, formatter, err := RequestParserAndFormatter(format, source, nil, FormatOptions{IncludeTextSeparator: !verbose})
 				if err != nil {
 					t.Errorf("Failed to create parser and formatter: %v", err)
 					continue
 				}
 
 				var buf bytes.Buffer
-				h := NewDefaultEventHandler(&buf, source, formatter, verbose)
+				h := &DefaultEventHandler{
+					Out:            &buf,
+					Formatter:      formatter,
+					VerbosityLevel: verbosityLevel,
+				}
 
 				h.OnResolveMethod(md)
 				h.OnSendHeaders(reqHeaders)
@@ -148,6 +154,9 @@ func TestHandler(t *testing.T) {
 					expectedOutput += verbosePrefix
 				}
 				for i := 0; i < numMessages; i++ {
+					if verbosityLevel > 1 {
+						expectedOutput += verboseResponseSize
+					}
 					if verbose {
 						expectedOutput += verboseResponseHeader
 					}
@@ -226,6 +235,9 @@ Response trailers received:
 a: 1
 b: 2
 c: 3
+`
+	verboseResponseSize = `
+Estimated response size: 100 bytes
 `
 	verboseResponseHeader = `
 Response contents:

go.mod

@@ -1,12 +1,32 @@
 module github.com/fullstorydev/grpcurl
 
+go 1.24.0
+
+toolchain go1.24.1
+
 require (
-	github.com/golang/protobuf v1.3.5
-	github.com/gordonklaus/ineffassign v0.0.0-20200309095847-7953dde2c7bf // indirect
-	github.com/goreleaser/goreleaser v0.134.0 // indirect
-	github.com/jhump/protoreflect v1.6.1
-	github.com/nishanths/predeclared v0.0.0-20190419143655-18a43bb90ffc // indirect
-	golang.org/x/net v0.0.0-20200226121028-0de0cce0169b
-	google.golang.org/grpc v1.30.0
-	honnef.co/go/tools v0.0.1-2020.1.3 // indirect
+	github.com/golang/protobuf v1.5.4
+	github.com/jhump/protoreflect v1.18.0
+	google.golang.org/grpc v1.66.2
+	google.golang.org/protobuf v1.36.11
+)
+
+require (
+	cel.dev/expr v0.15.0 // indirect
+	cloud.google.com/go/compute/metadata v0.3.0 // indirect
+	github.com/census-instrumentation/opencensus-proto v0.4.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/cncf/xds/go v0.0.0-20240423153145-555b57ec207b // indirect
+	github.com/envoyproxy/go-control-plane v0.12.1-0.20240621013728-1eb8caab5155 // indirect
+	github.com/envoyproxy/protoc-gen-validate v1.0.4 // indirect
+	github.com/jhump/protoreflect/v2 v2.0.0-beta.1 // indirect
+	github.com/petermattis/goid v0.0.0-20260113132338-7c7de50cc741 // indirect
+	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
+	golang.org/x/net v0.38.0 // indirect
+	golang.org/x/oauth2 v0.27.0 // indirect
+	golang.org/x/sync v0.12.0 // indirect
+	golang.org/x/sys v0.31.0 // indirect
+	golang.org/x/text v0.23.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20240604185151-ef581f913117 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117 // indirect
 )

go.sum

@@ -1,456 +1,56 @@
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+google.golang.org/genproto/googleapis/api v0.0.0-20240604185151-ef581f913117/go.mod h1:OimBR/bc1wPO9iV4NC2bpyjy3VnAwZh5EBPQdtaE5oo=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117 h1:1GBuWVLM/KMVUv1t1En5Gs+gFZCNd360GGb4sSxtrhU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117/go.mod h1:EfXuqaE1J41VCDicxHzUDm+8rk+7ZdXzHV0IhO/I6s0=
+google.golang.org/grpc v1.66.2 h1:3QdXkuq3Bkh7w+ywLdLvM56cmGvQHUMZpiCzt6Rqaoo=
+google.golang.org/grpc v1.66.2/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

grpcurl.go

@@ -8,31 +8,34 @@ package grpcurl
 
 import (
 	"bytes"
+	"context"
 	"crypto/tls"
 	"crypto/x509"
 	"encoding/base64"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"net"
 	"os"
 	"regexp"
+	"slices"
 	"sort"
 	"strings"
 
-	"github.com/golang/protobuf/proto"
-	descpb "github.com/golang/protobuf/protoc-gen-go/descriptor"
-	"github.com/golang/protobuf/ptypes"
-	"github.com/golang/protobuf/ptypes/empty"
-	"github.com/golang/protobuf/ptypes/struct"
-	"github.com/jhump/protoreflect/desc"
+	"github.com/golang/protobuf/proto"   //lint:ignore SA1019 we have to import these because some of their types appear in exported API
+	"github.com/jhump/protoreflect/desc" //lint:ignore SA1019 same as above
 	"github.com/jhump/protoreflect/desc/protoprint"
-	"github.com/jhump/protoreflect/dynamic"
-	"golang.org/x/net/context"
+	"github.com/jhump/protoreflect/dynamic" //lint:ignore SA1019 same as above
 	"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/health" // import grpc/health to enable transparent client side checking
 	"google.golang.org/grpc/metadata"
-	_ "google.golang.org/grpc/xds"
+	protov2 "google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/types/descriptorpb"
+	"google.golang.org/protobuf/types/known/anypb"
+	"google.golang.org/protobuf/types/known/emptypb"
+	"google.golang.org/protobuf/types/known/structpb"
 )
 
 // ListServices uses the given descriptor source to return a sorted list of fully-qualified
@@ -328,7 +331,7 @@ 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.
@@ -406,8 +409,9 @@ 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
-		msg, _ := ptypes.MarshalAny(&empty.Empty{})
-		return msg
+		var anyVal anypb.Any
+		_ = anypb.MarshalFrom(&anyVal, &emptypb.Empty{}, protov2.MarshalOptions{})
+		return &anyVal
 	case "google.protobuf.Value":
 		// unset kind is not allowed by JSON representation
 		// so we must give it something
@@ -447,11 +451,9 @@ func makeTemplate(md *desc.MessageDescriptor, path []*desc.MessageDescriptor) pr
 	dm := dynamic.NewMessage(md)
 
 	// if the message is a recursive structure, we don't want to blow the stack
-	for _, seen := range path {
-		if seen == md {
-			// already visited this type; avoid infinite recursion
-			return dm
-		}
+	if slices.Contains(path, md) {
+		// already visited this type; avoid infinite recursion
+		return dm
 	}
 	path = append(path, dm.GetMessageDescriptor())
 
@@ -462,42 +464,42 @@ func makeTemplate(md *desc.MessageDescriptor, path []*desc.MessageDescriptor) pr
 	for _, fd := range dm.GetMessageDescriptor().GetFields() {
 		if fd.IsRepeated() {
 			switch fd.GetType() {
-			case descpb.FieldDescriptorProto_TYPE_FIXED32,
-				descpb.FieldDescriptorProto_TYPE_UINT32:
+			case descriptorpb.FieldDescriptorProto_TYPE_FIXED32,
+				descriptorpb.FieldDescriptorProto_TYPE_UINT32:
 				dm.AddRepeatedField(fd, uint32(0))
 
-			case descpb.FieldDescriptorProto_TYPE_SFIXED32,
-				descpb.FieldDescriptorProto_TYPE_SINT32,
-				descpb.FieldDescriptorProto_TYPE_INT32,
-				descpb.FieldDescriptorProto_TYPE_ENUM:
+			case descriptorpb.FieldDescriptorProto_TYPE_SFIXED32,
+				descriptorpb.FieldDescriptorProto_TYPE_SINT32,
+				descriptorpb.FieldDescriptorProto_TYPE_INT32,
+				descriptorpb.FieldDescriptorProto_TYPE_ENUM:
 				dm.AddRepeatedField(fd, int32(0))
 
-			case descpb.FieldDescriptorProto_TYPE_FIXED64,
-				descpb.FieldDescriptorProto_TYPE_UINT64:
+			case descriptorpb.FieldDescriptorProto_TYPE_FIXED64,
+				descriptorpb.FieldDescriptorProto_TYPE_UINT64:
 				dm.AddRepeatedField(fd, uint64(0))
 
-			case descpb.FieldDescriptorProto_TYPE_SFIXED64,
-				descpb.FieldDescriptorProto_TYPE_SINT64,
-				descpb.FieldDescriptorProto_TYPE_INT64:
+			case descriptorpb.FieldDescriptorProto_TYPE_SFIXED64,
+				descriptorpb.FieldDescriptorProto_TYPE_SINT64,
+				descriptorpb.FieldDescriptorProto_TYPE_INT64:
 				dm.AddRepeatedField(fd, int64(0))
 
-			case descpb.FieldDescriptorProto_TYPE_STRING:
+			case descriptorpb.FieldDescriptorProto_TYPE_STRING:
 				dm.AddRepeatedField(fd, "")
 
-			case descpb.FieldDescriptorProto_TYPE_BYTES:
+			case descriptorpb.FieldDescriptorProto_TYPE_BYTES:
 				dm.AddRepeatedField(fd, []byte{})
 
-			case descpb.FieldDescriptorProto_TYPE_BOOL:
+			case descriptorpb.FieldDescriptorProto_TYPE_BOOL:
 				dm.AddRepeatedField(fd, false)
 
-			case descpb.FieldDescriptorProto_TYPE_FLOAT:
+			case descriptorpb.FieldDescriptorProto_TYPE_FLOAT:
 				dm.AddRepeatedField(fd, float32(0))
 
-			case descpb.FieldDescriptorProto_TYPE_DOUBLE:
+			case descriptorpb.FieldDescriptorProto_TYPE_DOUBLE:
 				dm.AddRepeatedField(fd, float64(0))
 
-			case descpb.FieldDescriptorProto_TYPE_MESSAGE,
-				descpb.FieldDescriptorProto_TYPE_GROUP:
+			case descriptorpb.FieldDescriptorProto_TYPE_MESSAGE,
+				descriptorpb.FieldDescriptorProto_TYPE_GROUP:
 				dm.AddRepeatedField(fd, makeTemplate(fd.GetMessageType(), path))
 			}
 		} else if fd.GetMessageType() != nil {
@@ -507,11 +509,25 @@ func makeTemplate(md *desc.MessageDescriptor, path []*desc.MessageDescriptor) pr
 	return dm
 }
 
-// ClientTransportCredentials builds transport credentials for a gRPC client using the
+// ClientTransportCredentials is a helper function that constructs a TLS config with
+// the given properties (see ClientTLSConfig) and then constructs and returns gRPC
+// transport credentials using that config.
+//
+// Deprecated: Use grpcurl.ClientTLSConfig and credentials.NewTLS instead.
+func ClientTransportCredentials(insecureSkipVerify bool, cacertFile, clientCertFile, clientKeyFile string) (credentials.TransportCredentials, error) {
+	tlsConf, err := ClientTLSConfig(insecureSkipVerify, cacertFile, clientCertFile, clientKeyFile)
+	if err != nil {
+		return nil, err
+	}
+
+	return credentials.NewTLS(tlsConf), nil
+}
+
+// ClientTLSConfig builds transport-layer config for a gRPC client using the
 // given properties. If cacertFile is blank, only standard trusted certs are used to
 // verify the server certs. If clientCertFile is blank, the client will not use a client
 // certificate. If clientCertFile is not blank then clientKeyFile must not be blank.
-func ClientTransportCredentials(insecureSkipVerify bool, cacertFile, clientCertFile, clientKeyFile string) (credentials.TransportCredentials, error) {
+func ClientTLSConfig(insecureSkipVerify bool, cacertFile, clientCertFile, clientKeyFile string) (*tls.Config, error) {
 	var tlsConf tls.Config
 
 	if clientCertFile != "" {
@@ -528,7 +544,7 @@ func ClientTransportCredentials(insecureSkipVerify bool, cacertFile, clientCertF
 	} 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)
 		}
@@ -541,7 +557,7 @@ func ClientTransportCredentials(insecureSkipVerify bool, cacertFile, clientCertF
 		tlsConf.RootCAs = certPool
 	}
 
-	return credentials.NewTLS(&tlsConf), nil
+	return &tlsConf, nil
 }
 
 // ServerTransportCredentials builds transport credentials for a gRPC server using the
@@ -565,7 +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)
 		}
@@ -592,7 +608,24 @@ func ServerTransportCredentials(cacertFile, serverCertFile, serverKeyFile string
 // BlockingDial is a helper method to dial the given address, using optional TLS credentials,
 // and blocking until the returned connection is ready. If the given credentials are nil, the
 // connection will be insecure (plain-text).
+// The network parameter should be left empty in most cases when your address is a RFC 3986
+// compliant URI. The resolver from grpc-go will resolve the correct network type.
 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.
@@ -608,25 +641,37 @@ 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{
-			TransportCredentials: creds,
-			writeResult:          writeResult,
-		}
+	creds = &errSignalingCreds{
+		TransportCredentials: creds,
+		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).
-		// But that requires using WithInsecure dial option (so that the gRPC
-		// library doesn't *also* try to do a handshake). And that would mean
-		// that the library would send the wrong ":scheme" metaheader to
-		// servers: it would send "http" instead of "https" because it is
-		// unaware that TLS is actually in use.
-		conn, err := (&net.Dialer{}).DialContext(ctx, network, address)
-		if err != nil {
-			writeResult(err)
+
+	switch network {
+	case "":
+		// no-op, use address as-is
+	case "tcp":
+		if strings.HasPrefix(address, "unix://") {
+			return nil, fmt.Errorf("tcp network type cannot use unix address %s", address)
 		}
-		return conn, err
+	case "unix":
+		if !strings.HasPrefix(address, "unix://") {
+			// prepend unix:// to the address if it's not already there
+			// this is to maintain backwards compatibility because the custom dialer is replaced by
+			// the default dialer in grpc-go.
+			// https://github.com/fullstorydev/grpcurl/pull/480
+			address = "unix://" + address
+		}
+	default:
+		// custom dialer for other networks
+		dialer := func(ctx context.Context, address string) (net.Conn, error) {
+			conn, err := (&net.Dialer{}).DialContext(ctx, network, address)
+			if err != nil {
+				// capture the error so we can provide a better message
+				writeResult(err)
+			}
+			return conn, err
+		}
+		opts = append([]grpc.DialOption{grpc.WithContextDialer(dialer)}, opts...)
 	}
 
 	// Even with grpc.FailOnNonTempDialError, this call will usually timeout in
@@ -634,16 +679,13 @@ func BlockingDial(ctx context.Context, network, address string, creds credential
 	// know when we're done. So we run it in a goroutine and then use result
 	// channel to either get the connection or fail-fast.
 	go func() {
-		opts = append(opts,
-			grpc.WithBlock(),
-			grpc.FailOnNonTempDialError(true),
-			grpc.WithContextDialer(dialer),
-		)
-		if creds == nil {
-			opts = append(opts, grpc.WithInsecure())
-		} else {
-			opts = append(opts, grpc.WithTransportCredentials(creds))
-		}
+		// We put grpc.FailOnNonTempDialError *before* the explicitly provided
+		// options so that it could be overridden.
+		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.WithTransportCredentials(creds))
+
 		conn, err := grpc.DialContext(ctx, address, opts...)
 		var res interface{}
 		if err != nil {

grpcurl_test.go

@@ -1,6 +1,7 @@
 package grpcurl_test
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -11,22 +12,20 @@ import (
 	"testing"
 	"time"
 
-	"github.com/golang/protobuf/jsonpb"
-	"github.com/golang/protobuf/proto"
-	"github.com/jhump/protoreflect/desc"
+	"github.com/golang/protobuf/jsonpb"  //lint:ignore SA1019 we have to import these because some of their types appear in exported API
+	"github.com/golang/protobuf/proto"   //lint:ignore SA1019 same as above
+	"github.com/jhump/protoreflect/desc" //lint:ignore SA1019 same as above
 	"github.com/jhump/protoreflect/grpcreflect"
-	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/interop/grpc_testing"
+	"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"
-	grpcurl_testing "github.com/fullstorydev/grpcurl/testing"
-	jsonpbtest "github.com/fullstorydev/grpcurl/testing/jsonpb_test_proto"
+	grpcurl_testing "github.com/fullstorydev/grpcurl/internal/testing"
+	jsonpbtest "github.com/fullstorydev/grpcurl/internal/testing/jsonpb_test_proto"
 )
 
 var (
@@ -52,18 +51,18 @@ type descSourceCase struct {
 
 func TestMain(m *testing.M) {
 	var err error
-	sourceProtoset, err = DescriptorSourceFromProtoSets("testing/test.protoset")
+	sourceProtoset, err = DescriptorSourceFromProtoSets("internal/testing/test.protoset")
 	if err != nil {
 		panic(err)
 	}
-	sourceProtoFiles, err = DescriptorSourceFromProtoFiles(nil, "testing/test.proto")
+	sourceProtoFiles, err = DescriptorSourceFromProtoFiles([]string{"internal/testing"}, "test.proto")
 	if err != nil {
 		panic(err)
 	}
 
 	// Create a server that includes the reflection service
 	svrReflect := grpc.NewServer()
-	grpc_testing.RegisterTestServiceServer(svrReflect, grpcurl_testing.TestServer{})
+	grpcurl_testing.RegisterTestServiceServer(svrReflect, grpcurl_testing.TestServer{})
 	reflection.Register(svrReflect)
 	var portReflect int
 	if l, err := net.Listen("tcp", "127.0.0.1:0"); err != nil {
@@ -78,18 +77,18 @@ func TestMain(m *testing.M) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 	if ccReflect, err = grpc.DialContext(ctx, fmt.Sprintf("127.0.0.1:%d", portReflect),
-		grpc.WithInsecure(), grpc.WithBlock()); err != nil {
+		grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithBlock()); err != nil {
 		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)
 
 	// Also create a server that does *not* include the reflection service
 	svrProtoset := grpc.NewServer()
-	grpc_testing.RegisterTestServiceServer(svrProtoset, grpcurl_testing.TestServer{})
+	grpcurl_testing.RegisterTestServiceServer(svrProtoset, grpcurl_testing.TestServer{})
 	var portProtoset int
 	if l, err := net.Listen("tcp", "127.0.0.1:0"); err != nil {
 		panic(err)
@@ -103,7 +102,7 @@ func TestMain(m *testing.M) {
 	ctx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 	if ccNoReflect, err = grpc.DialContext(ctx, fmt.Sprintf("127.0.0.1:%d", portProtoset),
-		grpc.WithInsecure(), grpc.WithBlock()); err != nil {
+		grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithBlock()); err != nil {
 		panic(err)
 	}
 	defer ccNoReflect.Close()
@@ -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)
@@ -141,7 +140,7 @@ func TestServerDoesNotSupportReflection(t *testing.T) {
 }
 
 func TestProtosetWithImports(t *testing.T) {
-	sourceProtoset, err := DescriptorSourceFromProtoSets("testing/example.protoset")
+	sourceProtoset, err := DescriptorSourceFromProtoSets("internal/testing/example.protoset")
 	if err != nil {
 		t.Fatalf("failed to load protoset: %v", err)
 	}
@@ -178,11 +177,11 @@ 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", "grpc.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
-		expected = []string{"grpc.testing.TestService", "grpc.testing.UnimplementedService"}
+		expected = []string{"testing.TestService", "testing.UnimplementedService"}
 	}
 	if !reflect.DeepEqual(expected, names) {
 		t.Errorf("ListServices returned wrong results: wanted %v, got %v", expected, names)
@@ -198,17 +197,17 @@ func TestListMethods(t *testing.T) {
 }
 
 func doTestListMethods(t *testing.T, source DescriptorSource, includeReflection bool) {
-	names, err := ListMethods(source, "grpc.testing.TestService")
+	names, err := ListMethods(source, "testing.TestService")
 	if err != nil {
 		t.Fatalf("failed to list methods for TestService: %v", err)
 	}
 	expected := []string{
-		"grpc.testing.TestService.EmptyCall",
-		"grpc.testing.TestService.FullDuplexCall",
-		"grpc.testing.TestService.HalfDuplexCall",
-		"grpc.testing.TestService.StreamingInputCall",
-		"grpc.testing.TestService.StreamingOutputCall",
-		"grpc.testing.TestService.UnaryCall",
+		"testing.TestService.EmptyCall",
+		"testing.TestService.FullDuplexCall",
+		"testing.TestService.HalfDuplexCall",
+		"testing.TestService.StreamingInputCall",
+		"testing.TestService.StreamingOutputCall",
+		"testing.TestService.UnaryCall",
 	}
 	if !reflect.DeepEqual(expected, names) {
 		t.Errorf("ListMethods returned wrong results: wanted %v, got %v", expected, names)
@@ -216,19 +215,19 @@ 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
-		names, err = ListMethods(source, "grpc.testing.UnimplementedService")
+		names, err = ListMethods(source, "testing.UnimplementedService")
 		if err != nil {
 			t.Fatalf("failed to list methods for ServerReflection: %v", err)
 		}
-		expected = []string{"grpc.testing.UnimplementedService.UnimplementedCall"}
+		expected = []string{"testing.UnimplementedService.UnimplementedCall"}
 	}
 	if !reflect.DeepEqual(expected, names) {
 		t.Errorf("ListMethods returned wrong results: wanted %v, got %v", expected, names)
@@ -242,13 +241,9 @@ func doTestListMethods(t *testing.T, source DescriptorSource, includeReflection
 }
 
 func TestGetAllFiles(t *testing.T) {
-	expectedFiles := []string{"testing/test.proto"}
-	// server reflection picks up filename from linked in Go package,
-	// which indicates "grpc_testing/test.proto", not our local copy.
-	expectedFilesWithReflection := [][]string{
-		{"grpc_reflection_v1alpha/reflection.proto", "grpc_testing/test.proto"},
-		// depending on the version of grpc, the filenames could be prefixed with "interop/" and "reflection/"
-		{"interop/grpc_testing/test.proto", "reflection/grpc_reflection_v1alpha/reflection.proto"},
+	expectedFiles := []string{"test.proto"}
+	expectedFilesWithReflection := []string{
+		"grpc/reflection/v1/reflection.proto", "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 = expectedNames
-					if reflect.DeepEqual(expected, names) {
-						match = true
-						break
-					}
-				}
+				expected = expectedFilesWithReflection
 			} 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)
 			}
@@ -279,11 +268,11 @@ func TestGetAllFiles(t *testing.T) {
 	}
 
 	// try cases with more complicated set of files
-	otherSourceProtoset, err := DescriptorSourceFromProtoSets("testing/test.protoset", "testing/example.protoset")
+	otherSourceProtoset, err := DescriptorSourceFromProtoSets("internal/testing/test.protoset", "internal/testing/example.protoset")
 	if err != nil {
 		t.Fatal(err.Error())
 	}
-	otherSourceProtoFiles, err := DescriptorSourceFromProtoFiles(nil, "testing/test.proto", "testing/example.proto")
+	otherSourceProtoFiles, err := DescriptorSourceFromProtoFiles([]string{"internal/testing"}, "test.proto", "example.proto")
 	if err != nil {
 		t.Fatal(err.Error())
 	}
@@ -292,13 +281,13 @@ func TestGetAllFiles(t *testing.T) {
 		{"proto[b]", otherSourceProtoFiles, false},
 	}
 	expectedFiles = []string{
+		"example.proto",
+		"example2.proto",
 		"google/protobuf/any.proto",
 		"google/protobuf/descriptor.proto",
 		"google/protobuf/empty.proto",
 		"google/protobuf/timestamp.proto",
-		"testing/example.proto",
-		"testing/example2.proto",
-		"testing/test.proto",
+		"test.proto",
 	}
 	for _, ds := range otherDescSources {
 		t.Run(ds.name, func(t *testing.T) {
@@ -403,7 +392,7 @@ func TestDescribe(t *testing.T) {
 }
 
 func doTestDescribe(t *testing.T, source DescriptorSource) {
-	sym := "grpc.testing.TestService.EmptyCall"
+	sym := "testing.TestService.EmptyCall"
 	dsc, err := source.FindSymbol(sym)
 	if err != nil {
 		t.Fatalf("failed to get descriptor for %q: %v", sym, err)
@@ -414,14 +403,14 @@ func doTestDescribe(t *testing.T, source DescriptorSource) {
 	txt := proto.MarshalTextString(dsc.AsProto())
 	expected :=
 		`name: "EmptyCall"
-input_type: ".grpc.testing.Empty"
-output_type: ".grpc.testing.Empty"
+input_type: ".testing.Empty"
+output_type: ".testing.Empty"
 `
 	if expected != txt {
 		t.Errorf("descriptor mismatch: expected %s, got %s", expected, txt)
 	}
 
-	sym = "grpc.testing.StreamingOutputCallResponse"
+	sym = "testing.StreamingOutputCallResponse"
 	dsc, err = source.FindSymbol(sym)
 	if err != nil {
 		t.Fatalf("failed to get descriptor for %q: %v", sym, err)
@@ -437,7 +426,7 @@ field: <
   number: 1
   label: LABEL_OPTIONAL
   type: TYPE_MESSAGE
-  type_name: ".grpc.testing.Payload"
+  type_name: ".testing.Payload"
   json_name: "payload"
 >
 `
@@ -493,12 +482,12 @@ func TestUnary(t *testing.T) {
 func doTestUnary(t *testing.T, cc *grpc.ClientConn, source DescriptorSource) {
 	// Success
 	h := &handler{reqMessages: []string{payload1}}
-	err := InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/UnaryCall", makeHeaders(codes.OK), h, h.getRequestData)
+	err := InvokeRpc(context.Background(), source, cc, "testing.TestService/UnaryCall", makeHeaders(codes.OK), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	if h.check(t, "grpc.testing.TestService.UnaryCall", codes.OK, 1, 1) {
+	if h.check(t, "testing.TestService.UnaryCall", codes.OK, 1, 1) {
 		if h.respMessages[0] != payload1 {
 			t.Errorf("unexpected response from RPC: expecting %s; got %s", payload1, h.respMessages[0])
 		}
@@ -506,12 +495,12 @@ func doTestUnary(t *testing.T, cc *grpc.ClientConn, source DescriptorSource) {
 
 	// Failure
 	h = &handler{reqMessages: []string{payload1}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/UnaryCall", makeHeaders(codes.NotFound), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/UnaryCall", makeHeaders(codes.NotFound), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.UnaryCall", codes.NotFound, 1, 0)
+	h.check(t, "testing.TestService.UnaryCall", codes.NotFound, 1, 0)
 }
 
 func TestClientStream(t *testing.T) {
@@ -525,12 +514,12 @@ func TestClientStream(t *testing.T) {
 func doTestClientStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSource) {
 	// Success
 	h := &handler{reqMessages: []string{payload1, payload2, payload3}}
-	err := InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingInputCall", makeHeaders(codes.OK), h, h.getRequestData)
+	err := InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingInputCall", makeHeaders(codes.OK), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	if h.check(t, "grpc.testing.TestService.StreamingInputCall", codes.OK, 3, 1) {
+	if h.check(t, "testing.TestService.StreamingInputCall", codes.OK, 3, 1) {
 		expected :=
 			`{
   "aggregatedPayloadSize": 61
@@ -542,21 +531,21 @@ func doTestClientStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSour
 
 	// Fail fast (server rejects as soon as possible)
 	h = &handler{reqMessages: []string{payload1, payload2, payload3}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingInputCall", makeHeaders(codes.InvalidArgument), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingInputCall", makeHeaders(codes.InvalidArgument), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.StreamingInputCall", codes.InvalidArgument, -3, 0)
+	h.check(t, "testing.TestService.StreamingInputCall", codes.InvalidArgument, -3, 0)
 
 	// Fail late (server waits until stream is complete to reject)
 	h = &handler{reqMessages: []string{payload1, payload2, payload3}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingInputCall", makeHeaders(codes.Internal, true), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingInputCall", makeHeaders(codes.Internal, true), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.StreamingInputCall", codes.Internal, 3, 0)
+	h.check(t, "testing.TestService.StreamingInputCall", codes.Internal, 3, 0)
 }
 
 func TestServerStream(t *testing.T) {
@@ -568,9 +557,9 @@ func TestServerStream(t *testing.T) {
 }
 
 func doTestServerStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSource) {
-	req := &grpc_testing.StreamingOutputCallRequest{
-		ResponseType: grpc_testing.PayloadType_COMPRESSABLE,
-		ResponseParameters: []*grpc_testing.ResponseParameters{
+	req := &grpcurl_testing.StreamingOutputCallRequest{
+		ResponseType: grpcurl_testing.PayloadType_COMPRESSABLE,
+		ResponseParameters: []*grpcurl_testing.ResponseParameters{
 			{Size: 10}, {Size: 20}, {Size: 30}, {Size: 40}, {Size: 50},
 		},
 	}
@@ -581,19 +570,19 @@ func doTestServerStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSour
 
 	// Success
 	h := &handler{reqMessages: []string{payload}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingOutputCall", makeHeaders(codes.OK), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingOutputCall", makeHeaders(codes.OK), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	if h.check(t, "grpc.testing.TestService.StreamingOutputCall", codes.OK, 1, 5) {
-		resp := &grpc_testing.StreamingOutputCallResponse{}
+	if h.check(t, "testing.TestService.StreamingOutputCall", codes.OK, 1, 5) {
+		resp := &grpcurl_testing.StreamingOutputCallResponse{}
 		for i, msg := range h.respMessages {
 			if err := jsonpb.UnmarshalString(msg, resp); err != nil {
 				t.Errorf("failed to parse response %d: %v", i+1, err)
 			}
-			if resp.Payload.GetType() != grpc_testing.PayloadType_COMPRESSABLE {
-				t.Errorf("response %d has wrong payload type; expecting %v, got %v", i, grpc_testing.PayloadType_COMPRESSABLE, resp.Payload.Type)
+			if resp.Payload.GetType() != grpcurl_testing.PayloadType_COMPRESSABLE {
+				t.Errorf("response %d has wrong payload type; expecting %v, got %v", i, grpcurl_testing.PayloadType_COMPRESSABLE, resp.Payload.Type)
 			}
 			if len(resp.Payload.Body) != (i+1)*10 {
 				t.Errorf("response %d has wrong payload size; expecting %d, got %d", i, (i+1)*10, len(resp.Payload.Body))
@@ -604,21 +593,21 @@ func doTestServerStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSour
 
 	// Fail fast (server rejects as soon as possible)
 	h = &handler{reqMessages: []string{payload}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingOutputCall", makeHeaders(codes.Aborted), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingOutputCall", makeHeaders(codes.Aborted), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.StreamingOutputCall", codes.Aborted, 1, 0)
+	h.check(t, "testing.TestService.StreamingOutputCall", codes.Aborted, 1, 0)
 
 	// Fail late (server waits until stream is complete to reject)
 	h = &handler{reqMessages: []string{payload}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingOutputCall", makeHeaders(codes.AlreadyExists, true), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingOutputCall", makeHeaders(codes.AlreadyExists, true), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.StreamingOutputCall", codes.AlreadyExists, 1, 5)
+	h.check(t, "testing.TestService.StreamingOutputCall", codes.AlreadyExists, 1, 5)
 }
 
 func TestHalfDuplexStream(t *testing.T) {
@@ -634,12 +623,12 @@ func doTestHalfDuplexStream(t *testing.T, cc *grpc.ClientConn, source Descriptor
 
 	// Success
 	h := &handler{reqMessages: reqs}
-	err := InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/HalfDuplexCall", makeHeaders(codes.OK), h, h.getRequestData)
+	err := InvokeRpc(context.Background(), source, cc, "testing.TestService/HalfDuplexCall", makeHeaders(codes.OK), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	if h.check(t, "grpc.testing.TestService.HalfDuplexCall", codes.OK, 3, 3) {
+	if h.check(t, "testing.TestService.HalfDuplexCall", codes.OK, 3, 3) {
 		for i, resp := range h.respMessages {
 			if resp != reqs[i] {
 				t.Errorf("unexpected response %d from RPC:\nexpecting %q\ngot %q", i, reqs[i], resp)
@@ -649,21 +638,21 @@ func doTestHalfDuplexStream(t *testing.T, cc *grpc.ClientConn, source Descriptor
 
 	// Fail fast (server rejects as soon as possible)
 	h = &handler{reqMessages: reqs}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/HalfDuplexCall", makeHeaders(codes.Canceled), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/HalfDuplexCall", makeHeaders(codes.Canceled), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.HalfDuplexCall", codes.Canceled, -3, 0)
+	h.check(t, "testing.TestService.HalfDuplexCall", codes.Canceled, -3, 0)
 
 	// Fail late (server waits until stream is complete to reject)
 	h = &handler{reqMessages: reqs}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/HalfDuplexCall", makeHeaders(codes.DataLoss, true), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/HalfDuplexCall", makeHeaders(codes.DataLoss, true), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.HalfDuplexCall", codes.DataLoss, 3, 3)
+	h.check(t, "testing.TestService.HalfDuplexCall", codes.DataLoss, 3, 3)
 }
 
 func TestFullDuplexStream(t *testing.T) {
@@ -676,11 +665,11 @@ func TestFullDuplexStream(t *testing.T) {
 
 func doTestFullDuplexStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSource) {
 	reqs := make([]string, 3)
-	req := &grpc_testing.StreamingOutputCallRequest{
-		ResponseType: grpc_testing.PayloadType_RANDOM,
+	req := &grpcurl_testing.StreamingOutputCallRequest{
+		ResponseType: grpcurl_testing.PayloadType_RANDOM,
 	}
 	for i := range reqs {
-		req.ResponseParameters = append(req.ResponseParameters, &grpc_testing.ResponseParameters{Size: int32((i + 1) * 10)})
+		req.ResponseParameters = append(req.ResponseParameters, &grpcurl_testing.ResponseParameters{Size: int32((i + 1) * 10)})
 		payload, err := (&jsonpb.Marshaler{}).MarshalToString(req)
 		if err != nil {
 			t.Fatalf("failed to construct request %d: %v", i, err)
@@ -690,13 +679,13 @@ func doTestFullDuplexStream(t *testing.T, cc *grpc.ClientConn, source Descriptor
 
 	// Success
 	h := &handler{reqMessages: reqs}
-	err := InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/FullDuplexCall", makeHeaders(codes.OK), h, h.getRequestData)
+	err := InvokeRpc(context.Background(), source, cc, "testing.TestService/FullDuplexCall", makeHeaders(codes.OK), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	if h.check(t, "grpc.testing.TestService.FullDuplexCall", codes.OK, 3, 6) {
-		resp := &grpc_testing.StreamingOutputCallResponse{}
+	if h.check(t, "testing.TestService.FullDuplexCall", codes.OK, 3, 6) {
+		resp := &grpcurl_testing.StreamingOutputCallResponse{}
 		i := 0
 		for j := 1; j < 3; j++ {
 			// three requests
@@ -706,8 +695,8 @@ func doTestFullDuplexStream(t *testing.T, cc *grpc.ClientConn, source Descriptor
 				if err := jsonpb.UnmarshalString(msg, resp); err != nil {
 					t.Errorf("failed to parse response %d: %v", i+1, err)
 				}
-				if resp.Payload.GetType() != grpc_testing.PayloadType_RANDOM {
-					t.Errorf("response %d has wrong payload type; expecting %v, got %v", i, grpc_testing.PayloadType_RANDOM, resp.Payload.Type)
+				if resp.Payload.GetType() != grpcurl_testing.PayloadType_RANDOM {
+					t.Errorf("response %d has wrong payload type; expecting %v, got %v", i, grpcurl_testing.PayloadType_RANDOM, resp.Payload.Type)
 				}
 				if len(resp.Payload.Body) != (k+1)*10 {
 					t.Errorf("response %d has wrong payload size; expecting %d, got %d", i, (k+1)*10, len(resp.Payload.Body))
@@ -721,21 +710,21 @@ func doTestFullDuplexStream(t *testing.T, cc *grpc.ClientConn, source Descriptor
 
 	// Fail fast (server rejects as soon as possible)
 	h = &handler{reqMessages: reqs}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/FullDuplexCall", makeHeaders(codes.PermissionDenied), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/FullDuplexCall", makeHeaders(codes.PermissionDenied), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.FullDuplexCall", codes.PermissionDenied, -3, 0)
+	h.check(t, "testing.TestService.FullDuplexCall", codes.PermissionDenied, -3, 0)
 
 	// Fail late (server waits until stream is complete to reject)
 	h = &handler{reqMessages: reqs}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/FullDuplexCall", makeHeaders(codes.ResourceExhausted, true), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/FullDuplexCall", makeHeaders(codes.ResourceExhausted, true), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.FullDuplexCall", codes.ResourceExhausted, 3, 6)
+	h.check(t, "testing.TestService.FullDuplexCall", codes.ResourceExhausted, 3, 6)
 }
 
 type handler struct {

internal/testing/cmd/bankdemo/auth.go

@@ -1,9 +1,9 @@
 package main
 
 import (
+	"context"
 	"strings"
 
-	"golang.org/x/net/context"
 	"google.golang.org/grpc/metadata"
 )
 

internal/testing/cmd/bankdemo/bank.go

@@ -1,18 +1,18 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"time"
 
-	"github.com/golang/protobuf/ptypes"
 	"github.com/golang/protobuf/ptypes/empty"
-	"golang.org/x/net/context"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
 
 // bankServer implements the Bank gRPC service.
 type bankServer struct {
+	UnimplementedBankServer
 	allAccounts *accounts
 }
 
@@ -72,26 +72,29 @@ func (s *bankServer) GetTransactions(req *GetTransactionsRequest, stream Bank_Ge
 
 	var start, end time.Time
 	if req.Start != nil {
-		start, err = ptypes.Timestamp(req.Start)
+		err := req.Start.CheckValid()
 		if err != nil {
 			return err
 		}
+		start = req.Start.AsTime()
 	}
 	if req.End != nil {
-		end, err = ptypes.Timestamp(req.End)
+		err := req.End.CheckValid()
 		if err != nil {
 			return err
 		}
+		end = req.End.AsTime()
 	} else {
 		end = time.Date(9999, 12, 31, 23, 59, 59, 999999999, time.Local)
 	}
 
 	txns := acct.getTransactions()
 	for _, txn := range txns {
-		t, err := ptypes.Timestamp(txn.Date)
+		err := txn.Date.CheckValid()
 		if err != nil {
 			return err
 		}
+		t := txn.Date.AsTime()
 		if (t.After(start) || t.Equal(start)) &&
 			(t.Before(end) || t.Equal(end)) {
 

internal/testing/cmd/bankdemo/bank.proto

@@ -1,6 +1,6 @@
 syntax = "proto3";
 
-option go_package = "main";
+option go_package = ".;main";
 
 import "google/protobuf/empty.proto";
 import "google/protobuf/timestamp.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

@@ -1,20 +1,21 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"io"
 	"sync"
 
-	"github.com/golang/protobuf/ptypes"
-	"golang.org/x/net/context"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 // chatServer implements the Support gRPC service, for providing
 // a capability to connect customers and support agents in real-time
 // chat.
 type chatServer struct {
+	UnimplementedSupportServer
 	chatsBySession     map[string]*session
 	chatsAwaitingAgent []string
 	lastSession        int32
@@ -134,7 +135,7 @@ func (s *chatServer) ChatCustomer(stream Support_ChatCustomerServer) error {
 			}
 
 			entry := &ChatEntry{
-				Date: ptypes.TimestampNow(),
+				Date: timestamppb.Now(),
 				Entry: &ChatEntry_CustomerMsg{
 					CustomerMsg: req.Msg,
 				},
@@ -279,7 +280,7 @@ func (s *chatServer) ChatAgent(stream Support_ChatAgentServer) error {
 			}
 
 			entry := &ChatEntry{
-				Date: ptypes.TimestampNow(),
+				Date: timestamppb.Now(),
 				Entry: &ChatEntry_AgentMsg{
 					AgentMsg: &AgentMessage{
 						AgentName: agent,

internal/testing/cmd/bankdemo/db.go

@@ -1,14 +1,13 @@
 package main
 
 import (
-	"bytes"
 	"fmt"
 	"sync"
 
-	"github.com/golang/protobuf/jsonpb"
-	"github.com/golang/protobuf/ptypes"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 // In-memory database that is periodically saved to a JSON file.
@@ -43,7 +42,7 @@ func (a *accounts) openAccount(customer string, accountType Account_Type, initia
 	acct.Transactions = append(acct.Transactions, &Transaction{
 		AccountNumber: num,
 		SeqNumber:     1,
-		Date:          ptypes.TimestampNow(),
+		Date:          timestamppb.Now(),
 		AmountCents:   initialBalanceCents,
 		Desc:          "initial deposit",
 	})
@@ -130,7 +129,7 @@ func (a *account) newTransaction(amountCents int32, desc string) (newBalance int
 	a.BalanceCents = bal
 	a.Transactions = append(a.Transactions, &Transaction{
 		AccountNumber: a.AccountNumber,
-		Date:          ptypes.TimestampNow(),
+		Date:          timestamppb.Now(),
 		AmountCents:   amountCents,
 		SeqNumber:     uint64(len(a.Transactions) + 1),
 		Desc:          desc,
@@ -139,16 +138,11 @@ func (a *account) newTransaction(amountCents int32, desc string) (newBalance int
 }
 
 func (t *Transaction) MarshalJSON() ([]byte, error) {
-	var jsm jsonpb.Marshaler
-	var buf bytes.Buffer
-	if err := jsm.Marshal(&buf, t); err != nil {
-		return nil, err
-	}
-	return buf.Bytes(), nil
+	return protojson.Marshal(t)
 }
 
 func (t *Transaction) UnmarshalJSON(b []byte) error {
-	return jsonpb.Unmarshal(bytes.NewReader(b), t)
+	return protojson.Unmarshal(b, t)
 }
 
 func (a *accounts) clone() *accounts {

internal/testing/cmd/bankdemo/main.go

@@ -1,12 +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"
@@ -14,7 +14,6 @@ import (
 	"syscall"
 	"time"
 
-	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/peer"
@@ -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.proto

@@ -1,6 +1,6 @@
 syntax = "proto3";
 
-option go_package = "main";
+option go_package = ".;main";
 
 import "google/protobuf/timestamp.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/testserver.go

@@ -2,6 +2,7 @@
 package main
 
 import (
+	"context"
 	"flag"
 	"fmt"
 	"net"
@@ -9,17 +10,15 @@ import (
 	"sync/atomic"
 	"time"
 
-	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/grpclog"
-	"google.golang.org/grpc/interop/grpc_testing"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/reflection"
 	"google.golang.org/grpc/status"
 
 	"github.com/fullstorydev/grpcurl"
-	grpcurl_testing "github.com/fullstorydev/grpcurl/testing"
+	grpcurl_testing "github.com/fullstorydev/grpcurl/internal/testing"
 )
 
 var (
@@ -96,7 +95,7 @@ func main() {
 
 	svr := grpc.NewServer(opts...)
 
-	grpc_testing.RegisterTestServiceServer(svr, grpcurl_testing.TestServer{})
+	grpcurl_testing.RegisterTestServiceServer(svr, grpcurl_testing.TestServer{})
 	if !*noreflect {
 		reflection.Register(svr)
 	}

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/example.proto

@@ -3,7 +3,7 @@ syntax = "proto3";
 import "google/protobuf/descriptor.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/timestamp.proto";
-import "testing/example2.proto";
+import "example2.proto";
 
 message TestRequest {
 	repeated string file_names = 1;

internal/testing/jsonpb_test_proto/test_objects.pb.go

@@ -0,0 +1,344 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0-devel
+// 	protoc        v3.14.0
+// source: test_objects.proto
+
+package jsonpb
+
+import (
+	proto "github.com/golang/protobuf/proto"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	anypb "google.golang.org/protobuf/types/known/anypb"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	structpb "google.golang.org/protobuf/types/known/structpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	wrapperspb "google.golang.org/protobuf/types/known/wrapperspb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
+type KnownTypes struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	An    *anypb.Any              `protobuf:"bytes,14,opt,name=an" json:"an,omitempty"`
+	Dur   *durationpb.Duration    `protobuf:"bytes,1,opt,name=dur" json:"dur,omitempty"`
+	St    *structpb.Struct        `protobuf:"bytes,12,opt,name=st" json:"st,omitempty"`
+	Ts    *timestamppb.Timestamp  `protobuf:"bytes,2,opt,name=ts" json:"ts,omitempty"`
+	Lv    *structpb.ListValue     `protobuf:"bytes,15,opt,name=lv" json:"lv,omitempty"`
+	Val   *structpb.Value         `protobuf:"bytes,16,opt,name=val" json:"val,omitempty"`
+	Dbl   *wrapperspb.DoubleValue `protobuf:"bytes,3,opt,name=dbl" json:"dbl,omitempty"`
+	Flt   *wrapperspb.FloatValue  `protobuf:"bytes,4,opt,name=flt" json:"flt,omitempty"`
+	I64   *wrapperspb.Int64Value  `protobuf:"bytes,5,opt,name=i64" json:"i64,omitempty"`
+	U64   *wrapperspb.UInt64Value `protobuf:"bytes,6,opt,name=u64" json:"u64,omitempty"`
+	I32   *wrapperspb.Int32Value  `protobuf:"bytes,7,opt,name=i32" json:"i32,omitempty"`
+	U32   *wrapperspb.UInt32Value `protobuf:"bytes,8,opt,name=u32" json:"u32,omitempty"`
+	Bool  *wrapperspb.BoolValue   `protobuf:"bytes,9,opt,name=bool" json:"bool,omitempty"`
+	Str   *wrapperspb.StringValue `protobuf:"bytes,10,opt,name=str" json:"str,omitempty"`
+	Bytes *wrapperspb.BytesValue  `protobuf:"bytes,11,opt,name=bytes" json:"bytes,omitempty"`
+}
+
+func (x *KnownTypes) Reset() {
+	*x = KnownTypes{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_test_objects_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *KnownTypes) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*KnownTypes) ProtoMessage() {}
+
+func (x *KnownTypes) ProtoReflect() protoreflect.Message {
+	mi := &file_test_objects_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use KnownTypes.ProtoReflect.Descriptor instead.
+func (*KnownTypes) Descriptor() ([]byte, []int) {
+	return file_test_objects_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *KnownTypes) GetAn() *anypb.Any {
+	if x != nil {
+		return x.An
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetDur() *durationpb.Duration {
+	if x != nil {
+		return x.Dur
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetSt() *structpb.Struct {
+	if x != nil {
+		return x.St
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetTs() *timestamppb.Timestamp {
+	if x != nil {
+		return x.Ts
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetLv() *structpb.ListValue {
+	if x != nil {
+		return x.Lv
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetVal() *structpb.Value {
+	if x != nil {
+		return x.Val
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetDbl() *wrapperspb.DoubleValue {
+	if x != nil {
+		return x.Dbl
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetFlt() *wrapperspb.FloatValue {
+	if x != nil {
+		return x.Flt
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetI64() *wrapperspb.Int64Value {
+	if x != nil {
+		return x.I64
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetU64() *wrapperspb.UInt64Value {
+	if x != nil {
+		return x.U64
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetI32() *wrapperspb.Int32Value {
+	if x != nil {
+		return x.I32
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetU32() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.U32
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetBool() *wrapperspb.BoolValue {
+	if x != nil {
+		return x.Bool
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetStr() *wrapperspb.StringValue {
+	if x != nil {
+		return x.Str
+	}
+	return nil
+}
+
+func (x *KnownTypes) GetBytes() *wrapperspb.BytesValue {
+	if x != nil {
+		return x.Bytes
+	}
+	return nil
+}
+
+var File_test_objects_proto protoreflect.FileDescriptor
+
+var file_test_objects_proto_rawDesc = []byte{
+	0x0a, 0x12, 0x74, 0x65, 0x73, 0x74, 0x5f, 0x6f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x73, 0x2e, 0x70,
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+	0x1b, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
+	0x66, 0x2e, 0x42, 0x79, 0x74, 0x65, 0x73, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x52, 0x05, 0x62, 0x79,
+	0x74, 0x65, 0x73, 0x42, 0x0a, 0x5a, 0x08, 0x2e, 0x3b, 0x6a, 0x73, 0x6f, 0x6e, 0x70, 0x62,
+}
+
+var (
+	file_test_objects_proto_rawDescOnce sync.Once
+	file_test_objects_proto_rawDescData = file_test_objects_proto_rawDesc
+)
+
+func file_test_objects_proto_rawDescGZIP() []byte {
+	file_test_objects_proto_rawDescOnce.Do(func() {
+		file_test_objects_proto_rawDescData = protoimpl.X.CompressGZIP(file_test_objects_proto_rawDescData)
+	})
+	return file_test_objects_proto_rawDescData
+}
+
+var file_test_objects_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_test_objects_proto_goTypes = []interface{}{
+	(*KnownTypes)(nil),             // 0: jsonpb.KnownTypes
+	(*anypb.Any)(nil),              // 1: google.protobuf.Any
+	(*durationpb.Duration)(nil),    // 2: google.protobuf.Duration
+	(*structpb.Struct)(nil),        // 3: google.protobuf.Struct
+	(*timestamppb.Timestamp)(nil),  // 4: google.protobuf.Timestamp
+	(*structpb.ListValue)(nil),     // 5: google.protobuf.ListValue
+	(*structpb.Value)(nil),         // 6: google.protobuf.Value
+	(*wrapperspb.DoubleValue)(nil), // 7: google.protobuf.DoubleValue
+	(*wrapperspb.FloatValue)(nil),  // 8: google.protobuf.FloatValue
+	(*wrapperspb.Int64Value)(nil),  // 9: google.protobuf.Int64Value
+	(*wrapperspb.UInt64Value)(nil), // 10: google.protobuf.UInt64Value
+	(*wrapperspb.Int32Value)(nil),  // 11: google.protobuf.Int32Value
+	(*wrapperspb.UInt32Value)(nil), // 12: google.protobuf.UInt32Value
+	(*wrapperspb.BoolValue)(nil),   // 13: google.protobuf.BoolValue
+	(*wrapperspb.StringValue)(nil), // 14: google.protobuf.StringValue
+	(*wrapperspb.BytesValue)(nil),  // 15: google.protobuf.BytesValue
+}
+var file_test_objects_proto_depIdxs = []int32{
+	1,  // 0: jsonpb.KnownTypes.an:type_name -> google.protobuf.Any
+	2,  // 1: jsonpb.KnownTypes.dur:type_name -> google.protobuf.Duration
+	3,  // 2: jsonpb.KnownTypes.st:type_name -> google.protobuf.Struct
+	4,  // 3: jsonpb.KnownTypes.ts:type_name -> google.protobuf.Timestamp
+	5,  // 4: jsonpb.KnownTypes.lv:type_name -> google.protobuf.ListValue
+	6,  // 5: jsonpb.KnownTypes.val:type_name -> google.protobuf.Value
+	7,  // 6: jsonpb.KnownTypes.dbl:type_name -> google.protobuf.DoubleValue
+	8,  // 7: jsonpb.KnownTypes.flt:type_name -> google.protobuf.FloatValue
+	9,  // 8: jsonpb.KnownTypes.i64:type_name -> google.protobuf.Int64Value
+	10, // 9: jsonpb.KnownTypes.u64:type_name -> google.protobuf.UInt64Value
+	11, // 10: jsonpb.KnownTypes.i32:type_name -> google.protobuf.Int32Value
+	12, // 11: jsonpb.KnownTypes.u32:type_name -> google.protobuf.UInt32Value
+	13, // 12: jsonpb.KnownTypes.bool:type_name -> google.protobuf.BoolValue
+	14, // 13: jsonpb.KnownTypes.str:type_name -> google.protobuf.StringValue
+	15, // 14: jsonpb.KnownTypes.bytes:type_name -> google.protobuf.BytesValue
+	15, // [15:15] is the sub-list for method output_type
+	15, // [15:15] is the sub-list for method input_type
+	15, // [15:15] is the sub-list for extension type_name
+	15, // [15:15] is the sub-list for extension extendee
+	0,  // [0:15] is the sub-list for field type_name
+}
+
+func init() { file_test_objects_proto_init() }
+func file_test_objects_proto_init() {
+	if File_test_objects_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_test_objects_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*KnownTypes); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_test_objects_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_test_objects_proto_goTypes,
+		DependencyIndexes: file_test_objects_proto_depIdxs,
+		MessageInfos:      file_test_objects_proto_msgTypes,
+	}.Build()
+	File_test_objects_proto = out.File
+	file_test_objects_proto_rawDesc = nil
+	file_test_objects_proto_goTypes = nil
+	file_test_objects_proto_depIdxs = nil
+}

internal/testing/jsonpb_test_proto/test_objects.proto

@@ -0,0 +1,30 @@
+syntax = "proto2";
+
+import "google/protobuf/any.proto";
+import "google/protobuf/duration.proto";
+import "google/protobuf/struct.proto";
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/wrappers.proto";
+
+package jsonpb;
+
+option go_package=".;jsonpb";
+
+message KnownTypes {
+  optional google.protobuf.Any an = 14;
+  optional google.protobuf.Duration dur = 1;
+  optional google.protobuf.Struct st = 12;
+  optional google.protobuf.Timestamp ts = 2;
+  optional google.protobuf.ListValue lv = 15;
+  optional google.protobuf.Value val = 16;
+
+  optional google.protobuf.DoubleValue dbl = 3;
+  optional google.protobuf.FloatValue flt = 4;
+  optional google.protobuf.Int64Value i64 = 5;
+  optional google.protobuf.UInt64Value u64 = 6;
+  optional google.protobuf.Int32Value i32 = 7;
+  optional google.protobuf.UInt32Value u32 = 8;
+  optional google.protobuf.BoolValue bool = 9;
+  optional google.protobuf.StringValue str = 10;
+  optional google.protobuf.BytesValue bytes = 11;
+}

internal/testing/test.proto

@@ -18,7 +18,9 @@
 // of unary/streaming requests/responses.
 syntax = "proto3";
 
-package grpc.testing;
+package testing;
+
+option go_package = ".;testing";
 
 message Empty {}
 
@@ -172,5 +174,5 @@ service TestService {
 // that case.
 service UnimplementedService {
   // A call that no server should implement
-  rpc UnimplementedCall(grpc.testing.Empty) returns (grpc.testing.Empty);
+  rpc UnimplementedCall(Empty) returns (Empty);
 }

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

@@ -1,14 +1,17 @@
 package testing
 
+//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
+
 import (
+	"context"
 	"io"
 	"strconv"
 	"time"
 
-	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/interop/grpc_testing"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
 
@@ -16,10 +19,12 @@ 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 *grpc_testing.Empty) (*grpc_testing.Empty, error) {
+func (TestServer) EmptyCall(ctx context.Context, req *Empty) (*Empty, error) {
 	headers, trailers, failEarly, failLate := processMetadata(ctx)
 	grpc.SetHeader(ctx, headers)
 	grpc.SetTrailer(ctx, trailers)
@@ -35,7 +40,7 @@ func (TestServer) EmptyCall(ctx context.Context, req *grpc_testing.Empty) (*grpc
 
 // UnaryCall accepts one request and issues one response. The response includes
 // the client's payload as-is.
-func (TestServer) UnaryCall(ctx context.Context, req *grpc_testing.SimpleRequest) (*grpc_testing.SimpleResponse, error) {
+func (TestServer) UnaryCall(ctx context.Context, req *SimpleRequest) (*SimpleResponse, error) {
 	headers, trailers, failEarly, failLate := processMetadata(ctx)
 	grpc.SetHeader(ctx, headers)
 	grpc.SetTrailer(ctx, trailers)
@@ -46,7 +51,7 @@ func (TestServer) UnaryCall(ctx context.Context, req *grpc_testing.SimpleRequest
 		return nil, status.Error(failLate, "fail")
 	}
 
-	return &grpc_testing.SimpleResponse{
+	return &SimpleResponse{
 		Payload: req.Payload,
 	}, nil
 }
@@ -54,7 +59,7 @@ func (TestServer) UnaryCall(ctx context.Context, req *grpc_testing.SimpleRequest
 // StreamingOutputCall accepts one request and issues a sequence of responses
 // (streamed download). The server returns the payload with client desired type
 // and sizes as specified in the request's ResponseParameters.
-func (TestServer) StreamingOutputCall(req *grpc_testing.StreamingOutputCallRequest, str grpc_testing.TestService_StreamingOutputCallServer) error {
+func (TestServer) StreamingOutputCall(req *StreamingOutputCallRequest, str TestService_StreamingOutputCallServer) error {
 	headers, trailers, failEarly, failLate := processMetadata(str.Context())
 	str.SetHeader(headers)
 	str.SetTrailer(trailers)
@@ -62,7 +67,7 @@ func (TestServer) StreamingOutputCall(req *grpc_testing.StreamingOutputCallReque
 		return status.Error(failEarly, "fail")
 	}
 
-	rsp := &grpc_testing.StreamingOutputCallResponse{Payload: &grpc_testing.Payload{}}
+	rsp := &StreamingOutputCallResponse{Payload: &Payload{}}
 	for _, param := range req.ResponseParameters {
 		if str.Context().Err() != nil {
 			return str.Context().Err()
@@ -92,7 +97,7 @@ func (TestServer) StreamingOutputCall(req *grpc_testing.StreamingOutputCallReque
 // StreamingInputCall accepts a sequence of requests and issues one response
 // (streamed upload). The server returns the aggregated size of client payloads
 // as the result.
-func (TestServer) StreamingInputCall(str grpc_testing.TestService_StreamingInputCallServer) error {
+func (TestServer) StreamingInputCall(str TestService_StreamingInputCallServer) error {
 	headers, trailers, failEarly, failLate := processMetadata(str.Context())
 	str.SetHeader(headers)
 	str.SetTrailer(trailers)
@@ -114,7 +119,7 @@ func (TestServer) StreamingInputCall(str grpc_testing.TestService_StreamingInput
 			sz += len(req.Payload.Body)
 		}
 	}
-	if err := str.SendAndClose(&grpc_testing.StreamingInputCallResponse{AggregatedPayloadSize: int32(sz)}); err != nil {
+	if err := str.SendAndClose(&StreamingInputCallResponse{AggregatedPayloadSize: int32(sz)}); err != nil {
 		return err
 	}
 
@@ -127,7 +132,7 @@ func (TestServer) StreamingInputCall(str grpc_testing.TestService_StreamingInput
 // FullDuplexCall accepts 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.
-func (TestServer) FullDuplexCall(str grpc_testing.TestService_FullDuplexCallServer) error {
+func (TestServer) FullDuplexCall(str TestService_FullDuplexCallServer) error {
 	headers, trailers, failEarly, failLate := processMetadata(str.Context())
 	str.SetHeader(headers)
 	str.SetTrailer(trailers)
@@ -135,7 +140,7 @@ func (TestServer) FullDuplexCall(str grpc_testing.TestService_FullDuplexCallServ
 		return status.Error(failEarly, "fail")
 	}
 
-	rsp := &grpc_testing.StreamingOutputCallResponse{Payload: &grpc_testing.Payload{}}
+	rsp := &StreamingOutputCallResponse{Payload: &Payload{}}
 	for {
 		if str.Context().Err() != nil {
 			return str.Context().Err()
@@ -170,7 +175,7 @@ func (TestServer) FullDuplexCall(str grpc_testing.TestService_FullDuplexCallServ
 // responses. The server buffers all the client requests and then serves them
 // in order. A stream of responses is returned to the client once the client
 // half-closes the stream.
-func (TestServer) HalfDuplexCall(str grpc_testing.TestService_HalfDuplexCallServer) error {
+func (TestServer) HalfDuplexCall(str TestService_HalfDuplexCallServer) error {
 	headers, trailers, failEarly, failLate := processMetadata(str.Context())
 	str.SetHeader(headers)
 	str.SetTrailer(trailers)
@@ -178,7 +183,7 @@ func (TestServer) HalfDuplexCall(str grpc_testing.TestService_HalfDuplexCallServ
 		return status.Error(failEarly, "fail")
 	}
 
-	var reqs []*grpc_testing.StreamingOutputCallRequest
+	var reqs []*StreamingOutputCallRequest
 	for {
 		if str.Context().Err() != nil {
 			return str.Context().Err()
@@ -192,7 +197,7 @@ func (TestServer) HalfDuplexCall(str grpc_testing.TestService_HalfDuplexCallServ
 			reqs = append(reqs, req)
 		}
 	}
-	rsp := &grpc_testing.StreamingOutputCallResponse{}
+	rsp := &StreamingOutputCallResponse{}
 	for _, req := range reqs {
 		rsp.Payload = req.Payload
 		if err := str.Send(rsp); err != nil {
@@ -251,4 +256,4 @@ func toCode(vals []string) codes.Code {
 	return codes.Code(i)
 }
 
-var _ grpc_testing.TestServiceServer = TestServer{}
+var _ TestServiceServer = TestServer{}

invoke.go

@@ -2,19 +2,19 @@ package grpcurl
 
 import (
 	"bytes"
+	"context"
 	"fmt"
 	"io"
 	"strings"
 	"sync"
 	"sync/atomic"
 
-	"github.com/golang/protobuf/jsonpb"
-	"github.com/golang/protobuf/proto"
-	"github.com/jhump/protoreflect/desc"
-	"github.com/jhump/protoreflect/dynamic"
+	"github.com/golang/protobuf/jsonpb"     //lint:ignore SA1019 we have to import these because some of their types appear in exported API
+	"github.com/golang/protobuf/proto"      //lint:ignore SA1019 same as above
+	"github.com/jhump/protoreflect/desc"    //lint:ignore SA1019 same as above
+	"github.com/jhump/protoreflect/dynamic" //lint:ignore SA1019 same as above
 	"github.com/jhump/protoreflect/dynamic/grpcdynamic"
 	"github.com/jhump/protoreflect/grpcreflect"
-	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/metadata"
@@ -93,9 +93,17 @@ func InvokeRPC(ctx context.Context, source DescriptorSource, ch grpcdynamic.Chan
 	if svc == "" || mth == "" {
 		return fmt.Errorf("given method name %q is not in expected format: 'service/method' or 'service.method'", methodName)
 	}
+
 	dsc, err := source.FindSymbol(svc)
 	if err != nil {
-		if isNotFoundError(err) {
+		// return a gRPC status error if hasStatus is true
+		errStatus, hasStatus := status.FromError(err)
+		switch {
+		case hasStatus && isNotFoundError(err):
+			return status.Errorf(errStatus.Code(), "target server does not expose service %q: %s", svc, errStatus.Message())
+		case hasStatus:
+			return status.Errorf(errStatus.Code(), "failed to query for service descriptor %q: %s", svc, errStatus.Message())
+		case isNotFoundError(err):
 			return fmt.Errorf("target server does not expose service %q", svc)
 		}
 		return fmt.Errorf("failed to query for service descriptor %q: %v", svc, err)
@@ -219,15 +227,19 @@ func invokeClientStream(ctx context.Context, stub grpcdynamic.Stub, md *desc.Met
 		return fmt.Errorf("grpc call for %q failed: %v", md.GetFullyQualifiedName(), err)
 	}
 
-	if respHeaders, err := str.Header(); err == nil {
-		handler.OnReceiveHeaders(respHeaders)
+	if str != nil {
+		if respHeaders, err := str.Header(); err == nil {
+			handler.OnReceiveHeaders(respHeaders)
+		}
 	}
 
 	if stat.Code() == codes.OK {
 		handler.OnReceiveResponse(resp)
 	}
 
-	handler.OnReceiveTrailers(stat, str.Trailer())
+	if str != nil {
+		handler.OnReceiveTrailers(stat, str.Trailer())
+	}
 
 	return nil
 }
@@ -252,8 +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 {
-		handler.OnReceiveHeaders(respHeaders)
+	if str != nil {
+		if respHeaders, err := str.Header(); err == nil {
+			handler.OnReceiveHeaders(respHeaders)
+		}
 	}
 
 	// Download each response message
@@ -276,7 +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
 }
@@ -326,8 +342,10 @@ func invokeBidi(ctx context.Context, stub grpcdynamic.Stub, md *desc.MethodDescr
 		}()
 	}
 
-	if respHeaders, err := str.Header(); err == nil {
-		handler.OnReceiveHeaders(respHeaders)
+	if str != nil {
+		if respHeaders, err := str.Header(); err == nil {
+			handler.OnReceiveHeaders(respHeaders)
+		}
 	}
 
 	// Download each response message
@@ -354,7 +372,9 @@ func invokeBidi(ctx context.Context, stub grpcdynamic.Stub, md *desc.MethodDescr
 		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

@@ -53,18 +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.
-
-```sh
-# from the root of the repo
-echo v2.3.4 > VERSION
-docker build -t fullstorydev/grpcurl:v2.3.4 .
-# now that we have it built, push to Docker Hub
-docker push fullstorydev/grpcurl:v2.3.4
-# push "latest" tag, too
-docker tag fullstorydev/grpcurl:v2.3.4 fullstorydev/grpcurl:latest
-docker push fullstorydev/grpcurl:latest
-```
+To re-run only the Docker Hub release steps, you can manually run through each step in the "Docker" section of `do_release.sh`.
 
 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.
 
@@ -74,7 +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

@@ -40,16 +40,22 @@ $PREFIX git checkout go.mod go.sum
 # if there are no valid current credentials.
 $PREFIX docker login
 echo "$VERSION" > VERSION
-$PREFIX docker build -t "fullstorydev/grpcurl:${VERSION}" .
-rm VERSION
+
+# Docker Buildx support is included in Docker 19.03
+# Below step installs emulators for different architectures on the host
+# This enables running and building containers for below architectures mentioned using --platforms
+$PREFIX docker run --privileged --rm tonistiigi/binfmt:qemu-v6.1.0 --install all
+# Create a new builder instance
+export DOCKER_CLI_EXPERIMENTAL=enabled
+$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
-$PREFIX docker push "fullstorydev/grpcurl:${VERSION}"
-$PREFIX docker tag "fullstorydev/grpcurl:${VERSION}" fullstorydev/grpcurl:latest
-$PREFIX docker push fullstorydev/grpcurl:latest
+$PREFIX docker buildx build --platform linux/amd64,linux/s390x,linux/arm64,linux/ppc64le --tag fullstorydev/grpcurl:${VERSION} --tag fullstorydev/grpcurl:latest --push --progress plain --no-cache .
+$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 .
+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

snap/README.md

@@ -0,0 +1,23 @@
+# packing and releasing
+To pack the current branch to a snap package:
+
+`snapcraft pack`
+
+To install the package locally:
+
+`snap install ./grpcurl_v[version tag]_amd64.snap --devmode`
+
+To upload the snap to the edge channel:
+
+`snapcraft upload --release edge ./grpcurl_v[version tag]_amd64.snap`
+
+(you need to own the package name registration for this!)
+
+# ownership
+The snap's current owner is `pietro.pasotti@canonical.com`; who is very happy to support with maintaining the snap distribution and/or transfer its ownership to the developers.
+
+Please reach out to me for questions regarding the snap; including:
+- adding support for other architectures
+- automating the release
+
+Cheers and thanks for the awesome tool!

snap/snapcraft.yaml

@@ -0,0 +1,47 @@
+name: grpcurl
+base: core24
+# allow grpcurl part to call craftctl set-version
+adopt-info: grpcurl
+summary: grpcurl is a command-line tool that lets you interact with gRPC servers.
+
+description: |
+  grpcurl is a command-line tool that lets you interact with gRPC servers. 
+  It's basically curl for gRPC servers.
+
+grade: stable
+confinement: strict
+license: MIT
+
+platforms:
+  amd64:
+    build-on:
+      - amd64
+    build-for:
+      - amd64
+  arm64:
+    build-on:
+      - amd64
+      - arm64
+    build-for:
+      - arm64
+
+apps:
+  grpcurl:
+    command: grpcurl
+    plugs:
+      - network
+
+parts:
+  grpcurl:
+    plugin: go
+    build-snaps: [go/latest/stable]
+    source: https://github.com/fullstorydev/grpcurl
+    source-type: git
+    override-build: |
+      tag="$(git describe --tags --abbrev=0)"
+      craftctl set version="$tag"
+
+      go build -o $CRAFT_PART_INSTALL/grpcurl ./cmd/grpcurl/grpcurl.go
+      
+      # adjust the permissions
+      chmod 0755 $CRAFT_PART_INSTALL/grpcurl

testing/jsonpb_test_proto/test_objects.pb.go

@@ -1,215 +0,0 @@
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// source: testing/jsonpb_test_proto/test_objects.proto
-
-package jsonpb
-
-import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	any "github.com/golang/protobuf/ptypes/any"
-	duration "github.com/golang/protobuf/ptypes/duration"
-	_struct "github.com/golang/protobuf/ptypes/struct"
-	timestamp "github.com/golang/protobuf/ptypes/timestamp"
-	wrappers "github.com/golang/protobuf/ptypes/wrappers"
-	math "math"
-)
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
-
-type KnownTypes struct {
-	An                   *any.Any              `protobuf:"bytes,14,opt,name=an" json:"an,omitempty"`
-	Dur                  *duration.Duration    `protobuf:"bytes,1,opt,name=dur" json:"dur,omitempty"`
-	St                   *_struct.Struct       `protobuf:"bytes,12,opt,name=st" json:"st,omitempty"`
-	Ts                   *timestamp.Timestamp  `protobuf:"bytes,2,opt,name=ts" json:"ts,omitempty"`
-	Lv                   *_struct.ListValue    `protobuf:"bytes,15,opt,name=lv" json:"lv,omitempty"`
-	Val                  *_struct.Value        `protobuf:"bytes,16,opt,name=val" json:"val,omitempty"`
-	Dbl                  *wrappers.DoubleValue `protobuf:"bytes,3,opt,name=dbl" json:"dbl,omitempty"`
-	Flt                  *wrappers.FloatValue  `protobuf:"bytes,4,opt,name=flt" json:"flt,omitempty"`
-	I64                  *wrappers.Int64Value  `protobuf:"bytes,5,opt,name=i64" json:"i64,omitempty"`
-	U64                  *wrappers.UInt64Value `protobuf:"bytes,6,opt,name=u64" json:"u64,omitempty"`
-	I32                  *wrappers.Int32Value  `protobuf:"bytes,7,opt,name=i32" json:"i32,omitempty"`
-	U32                  *wrappers.UInt32Value `protobuf:"bytes,8,opt,name=u32" json:"u32,omitempty"`
-	Bool                 *wrappers.BoolValue   `protobuf:"bytes,9,opt,name=bool" json:"bool,omitempty"`
-	Str                  *wrappers.StringValue `protobuf:"bytes,10,opt,name=str" json:"str,omitempty"`
-	Bytes                *wrappers.BytesValue  `protobuf:"bytes,11,opt,name=bytes" json:"bytes,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}              `json:"-"`
-	XXX_unrecognized     []byte                `json:"-"`
-	XXX_sizecache        int32                 `json:"-"`
-}
-
-func (m *KnownTypes) Reset()         { *m = KnownTypes{} }
-func (m *KnownTypes) String() string { return proto.CompactTextString(m) }
-func (*KnownTypes) ProtoMessage()    {}
-func (*KnownTypes) Descriptor() ([]byte, []int) {
-	return fileDescriptor_ab4422ec10550c41, []int{0}
-}
-
-func (m *KnownTypes) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_KnownTypes.Unmarshal(m, b)
-}
-func (m *KnownTypes) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_KnownTypes.Marshal(b, m, deterministic)
-}
-func (m *KnownTypes) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_KnownTypes.Merge(m, src)
-}
-func (m *KnownTypes) XXX_Size() int {
-	return xxx_messageInfo_KnownTypes.Size(m)
-}
-func (m *KnownTypes) XXX_DiscardUnknown() {
-	xxx_messageInfo_KnownTypes.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_KnownTypes proto.InternalMessageInfo
-
-func (m *KnownTypes) GetAn() *any.Any {
-	if m != nil {
-		return m.An
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetDur() *duration.Duration {
-	if m != nil {
-		return m.Dur
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetSt() *_struct.Struct {
-	if m != nil {
-		return m.St
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetTs() *timestamp.Timestamp {
-	if m != nil {
-		return m.Ts
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetLv() *_struct.ListValue {
-	if m != nil {
-		return m.Lv
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetVal() *_struct.Value {
-	if m != nil {
-		return m.Val
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetDbl() *wrappers.DoubleValue {
-	if m != nil {
-		return m.Dbl
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetFlt() *wrappers.FloatValue {
-	if m != nil {
-		return m.Flt
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetI64() *wrappers.Int64Value {
-	if m != nil {
-		return m.I64
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetU64() *wrappers.UInt64Value {
-	if m != nil {
-		return m.U64
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetI32() *wrappers.Int32Value {
-	if m != nil {
-		return m.I32
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetU32() *wrappers.UInt32Value {
-	if m != nil {
-		return m.U32
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetBool() *wrappers.BoolValue {
-	if m != nil {
-		return m.Bool
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetStr() *wrappers.StringValue {
-	if m != nil {
-		return m.Str
-	}
-	return nil
-}
-
-func (m *KnownTypes) GetBytes() *wrappers.BytesValue {
-	if m != nil {
-		return m.Bytes
-	}
-	return nil
-}
-
-func init() {
-	proto.RegisterType((*KnownTypes)(nil), "jsonpb.KnownTypes")
-}
-
-func init() {
-	proto.RegisterFile("testing/jsonpb_test_proto/test_objects.proto", fileDescriptor_ab4422ec10550c41)
-}
-
-var fileDescriptor_ab4422ec10550c41 = []byte{
-	// 402 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0xd0, 0xdf, 0x6b, 0xd5, 0x30,
-	0x14, 0x07, 0x70, 0x96, 0xee, 0x4e, 0xcd, 0x44, 0x25, 0x88, 0x66, 0xd7, 0xa1, 0x22, 0x82, 0xc3,
-	0x1f, 0x2d, 0xb6, 0xa5, 0xef, 0x0e, 0x11, 0x44, 0x9f, 0xba, 0xe9, 0xeb, 0x48, 0xd6, 0xac, 0x74,
-	0x64, 0x49, 0x49, 0x4e, 0xee, 0xe8, 0xbf, 0xe6, 0x5f, 0x27, 0x49, 0x73, 0x45, 0x6e, 0xc9, 0xde,
-	0xee, 0xcd, 0xf7, 0x73, 0xbe, 0x9c, 0x53, 0xfc, 0x11, 0x84, 0x85, 0x41, 0xf5, 0xc5, 0xb5, 0xd5,
-	0x6a, 0xe4, 0x17, 0xfe, 0xef, 0xc5, 0x68, 0x34, 0xe8, 0x22, 0xfc, 0xd4, 0xfc, 0x5a, 0x5c, 0x82,
-	0xcd, 0xc3, 0x13, 0x39, 0x98, 0xd5, 0xfa, 0xa8, 0xd7, 0xba, 0x97, 0xa2, 0x08, 0xaf, 0xdc, 0x5d,
-	0x15, 0x4c, 0x4d, 0x33, 0x59, 0xbf, 0xdc, 0x8d, 0x3a, 0x67, 0x18, 0x0c, 0x5a, 0xc5, 0xfc, 0x78,
-	0x37, 0xb7, 0x60, 0xdc, 0x25, 0xc4, 0xf4, 0xd5, 0x6e, 0x0a, 0xc3, 0x8d, 0xb0, 0xc0, 0x6e, 0xc6,
-	0x54, 0xfd, 0xad, 0x61, 0xe3, 0x28, 0x4c, 0xdc, 0xf0, 0xcd, 0x9f, 0x15, 0xc6, 0x3f, 0x94, 0xbe,
-	0x55, 0xe7, 0xd3, 0x28, 0x2c, 0x79, 0x8b, 0x11, 0x53, 0xf4, 0xd1, 0xeb, 0xbd, 0x93, 0xc3, 0xf2,
-	0x69, 0x3e, 0xcf, 0xe6, 0xdb, 0xd9, 0xfc, 0x8b, 0x9a, 0x5a, 0xc4, 0x14, 0xf9, 0x80, 0xb3, 0xce,
-	0x19, 0xba, 0x17, 0xd8, 0xd1, 0x82, 0x7d, 0x8d, 0x17, 0xb4, 0x5e, 0x91, 0x77, 0x18, 0x59, 0xa0,
-	0x0f, 0x83, 0x7d, 0xbe, 0xb0, 0x67, 0xe1, 0x9a, 0x16, 0x59, 0x20, 0xef, 0x31, 0x02, 0x4b, 0x51,
-	0x80, 0xeb, 0x05, 0x3c, 0xdf, 0x1e, 0xd6, 0x22, 0xb0, 0xde, 0xca, 0x0d, 0x7d, 0x9c, 0xb0, 0x3f,
-	0x07, 0x0b, 0xbf, 0x99, 0x74, 0xa2, 0x45, 0x72, 0x43, 0x4e, 0x70, 0xb6, 0x61, 0x92, 0x3e, 0x09,
-	0xf8, 0xd9, 0x02, 0xcf, 0xd0, 0x13, 0x92, 0xe3, 0xac, 0xe3, 0x92, 0x66, 0x41, 0x1e, 0x2f, 0xef,
-	0xd2, 0x8e, 0x4b, 0x11, 0x7d, 0xc7, 0x25, 0xf9, 0x84, 0xb3, 0x2b, 0x09, 0x74, 0x3f, 0xf8, 0x17,
-	0x0b, 0xff, 0x4d, 0x6a, 0x16, 0xf7, 0xf0, 0xce, 0xf3, 0xa1, 0xa9, 0xe9, 0x2a, 0xc1, 0xbf, 0x2b,
-	0x68, 0xea, 0xc8, 0x87, 0xa6, 0xf6, 0xdb, 0xb8, 0xa6, 0xa6, 0x07, 0x89, 0x6d, 0x7e, 0xfd, 0xef,
-	0x5d, 0x53, 0x87, 0xfa, 0xaa, 0xa4, 0xf7, 0xd2, 0xf5, 0x55, 0xb9, 0xad, 0xaf, 0xca, 0x50, 0x5f,
-	0x95, 0xf4, 0xfe, 0x1d, 0xf5, 0xff, 0xbc, 0x0b, 0x7e, 0x9f, 0x6b, 0x2d, 0xe9, 0x83, 0xc4, 0x47,
-	0x3f, 0xd5, 0x5a, 0xce, 0x3c, 0x38, 0xdf, 0x6f, 0xc1, 0x50, 0x9c, 0xe8, 0x3f, 0x03, 0x33, 0xa8,
-	0x3e, 0xf6, 0x5b, 0x30, 0xe4, 0x33, 0x5e, 0xf1, 0x09, 0x84, 0xa5, 0x87, 0x89, 0x03, 0x4e, 0x7d,
-	0x3a, 0x0f, 0xcc, 0xf2, 0x6f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xab, 0x65, 0x99, 0x5a, 0x8d, 0x03,
-	0x00, 0x00,
-}

testing/jsonpb_test_proto/test_objects.proto

@@ -1,59 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2015 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-syntax = "proto2";
-
-import "google/protobuf/any.proto";
-import "google/protobuf/duration.proto";
-import "google/protobuf/struct.proto";
-import "google/protobuf/timestamp.proto";
-import "google/protobuf/wrappers.proto";
-
-package jsonpb;
-
-message KnownTypes {
-  optional google.protobuf.Any an = 14;
-  optional google.protobuf.Duration dur = 1;
-  optional google.protobuf.Struct st = 12;
-  optional google.protobuf.Timestamp ts = 2;
-  optional google.protobuf.ListValue lv = 15;
-  optional google.protobuf.Value val = 16;
-
-  optional google.protobuf.DoubleValue dbl = 3;
-  optional google.protobuf.FloatValue flt = 4;
-  optional google.protobuf.Int64Value i64 = 5;
-  optional google.protobuf.UInt64Value u64 = 6;
-  optional google.protobuf.Int32Value i32 = 7;
-  optional google.protobuf.UInt32Value u32 = 8;
-  optional google.protobuf.BoolValue bool = 9;
-  optional google.protobuf.StringValue str = 10;
-  optional google.protobuf.BytesValue bytes = 11;
-}

tls_settings_test.go

@@ -1,19 +1,18 @@
 package grpcurl_test
 
 import (
+	"context"
 	"fmt"
 	"net"
 	"strings"
 	"testing"
 	"time"
 
-	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/interop/grpc_testing"
 
 	. "github.com/fullstorydev/grpcurl"
-	grpcurl_testing "github.com/fullstorydev/grpcurl/testing"
+	grpcurl_testing "github.com/fullstorydev/grpcurl/internal/testing"
 )
 
 func TestPlainText(t *testing.T) {
@@ -27,11 +26,11 @@ func TestPlainText(t *testing.T) {
 }
 
 func TestBasicTLS(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "", "")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "", "")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -46,7 +45,7 @@ func TestBasicTLS(t *testing.T) {
 }
 
 func TestInsecureClientTLS(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -65,11 +64,11 @@ func TestInsecureClientTLS(t *testing.T) {
 }
 
 func TestClientCertTLS(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("testing/tls/ca.crt", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("internal/testing/tls/ca.crt", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "testing/tls/client.crt", "testing/tls/client.key")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "internal/testing/tls/client.crt", "internal/testing/tls/client.key")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -84,11 +83,11 @@ func TestClientCertTLS(t *testing.T) {
 }
 
 func TestRequireClientCertTLS(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("testing/tls/ca.crt", "testing/tls/server.crt", "testing/tls/server.key", true)
+	serverCreds, err := ServerTransportCredentials("internal/testing/tls/ca.crt", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", true)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "testing/tls/client.crt", "testing/tls/client.key")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "internal/testing/tls/client.crt", "internal/testing/tls/client.key")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -103,7 +102,7 @@ func TestRequireClientCertTLS(t *testing.T) {
 }
 
 func TestBrokenTLS_ClientPlainText(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -148,8 +147,8 @@ func TestBrokenTLS_ClientPlainText(t *testing.T) {
 
 	// but request fails because server closes connection upon seeing request
 	// bytes that are not a TLS handshake
-	cl := grpc_testing.NewTestServiceClient(e.cc)
-	_, err = cl.UnaryCall(context.Background(), &grpc_testing.SimpleRequest{})
+	cl := grpcurl_testing.NewTestServiceClient(e.cc)
+	_, err = cl.UnaryCall(context.Background(), &grpcurl_testing.SimpleRequest{})
 	if err == nil {
 		t.Fatal("expecting failure")
 	}
@@ -164,15 +163,15 @@ func TestBrokenTLS_ClientPlainText(t *testing.T) {
 }
 
 func TestBrokenTLS_ServerPlainText(t *testing.T) {
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "", "")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "", "")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
 
 	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)
@@ -180,19 +179,19 @@ func TestBrokenTLS_ServerPlainText(t *testing.T) {
 }
 
 func TestBrokenTLS_ServerUsesWrongCert(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/other.crt", "testing/tls/other.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/other.crt", "internal/testing/tls/other.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "", "")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "", "")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
 
 	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)
@@ -200,39 +199,39 @@ func TestBrokenTLS_ServerUsesWrongCert(t *testing.T) {
 }
 
 func TestBrokenTLS_ClientHasExpiredCert(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("testing/tls/ca.crt", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("internal/testing/tls/ca.crt", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "testing/tls/expired.crt", "testing/tls/expired.key")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "internal/testing/tls/expired.crt", "internal/testing/tls/expired.key")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
 
 	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)
 	}
 }
 
 func TestBrokenTLS_ServerHasExpiredCert(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/expired.crt", "testing/tls/expired.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/expired.crt", "internal/testing/tls/expired.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "", "")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "", "")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
 
 	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)
@@ -240,70 +239,78 @@ func TestBrokenTLS_ServerHasExpiredCert(t *testing.T) {
 }
 
 func TestBrokenTLS_ClientNotTrusted(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("testing/tls/ca.crt", "testing/tls/server.crt", "testing/tls/server.key", true)
+	serverCreds, err := ServerTransportCredentials("internal/testing/tls/ca.crt", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", true)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "testing/tls/wrong-client.crt", "testing/tls/wrong-client.key")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "internal/testing/tls/wrong-client.crt", "internal/testing/tls/wrong-client.key")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
 
 	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)
+	// Check for either the old error (Go <=1.24) or the new one (Go 1.25+)
+	// Go 1.24: "bad certificate"
+	// Go 1.25: "handshake failure"
+	errMsg := err.Error()
+	if !strings.Contains(errMsg, "bad certificate") && !strings.Contains(errMsg, "handshake failure") {
+		t.Fatalf("expecting a specific TLS certificate or handshake error, got: %v", err)
 	}
 }
 
 func TestBrokenTLS_ServerNotTrusted(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "", "testing/tls/client.crt", "testing/tls/client.key")
+	clientCreds, err := ClientTransportCredentials(false, "", "internal/testing/tls/client.crt", "internal/testing/tls/client.key")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
 
 	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)
 	}
 }
 
 func TestBrokenTLS_RequireClientCertButNonePresented(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("testing/tls/ca.crt", "testing/tls/server.crt", "testing/tls/server.key", true)
+	serverCreds, err := ServerTransportCredentials("internal/testing/tls/ca.crt", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", true)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "", "")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "", "")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
 
 	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)
+	// Check for either the old error (Go <=1.24) or the new one (Go 1.25+)
+	// Go 1.24: "bad certificate"
+	// Go 1.25: "handshake failure"
+	errMsg := err.Error()
+	if !strings.Contains(errMsg, "bad certificate") && !strings.Contains(errMsg, "handshake failure") {
+		t.Fatalf("expecting a specific TLS certificate or handshake error, got: %v", err)
 	}
 }
 
 func simpleTest(t *testing.T, cc *grpc.ClientConn) {
-	cl := grpc_testing.NewTestServiceClient(cc)
+	cl := grpcurl_testing.NewTestServiceClient(cc)
 	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
 	defer cancel()
-	_, err := cl.UnaryCall(ctx, &grpc_testing.SimpleRequest{}, grpc.WaitForReady(true))
+	_, err := cl.UnaryCall(ctx, &grpcurl_testing.SimpleRequest{}, grpc.WaitForReady(true))
 	if err != nil {
 		t.Errorf("simple RPC failed: %v", err)
 	}
@@ -323,7 +330,7 @@ func createTestServerAndClient(serverCreds, clientCreds credentials.TransportCre
 		svrOpts = []grpc.ServerOption{grpc.Creds(serverCreds)}
 	}
 	svr := grpc.NewServer(svrOpts...)
-	grpc_testing.RegisterTestServiceServer(svr, grpcurl_testing.TestServer{})
+	grpcurl_testing.RegisterTestServiceServer(svr, grpcurl_testing.TestServer{})
 	l, err := net.Listen("tcp", "127.0.0.1:0")
 	if err != nil {
 		return e, err
@@ -350,7 +357,7 @@ type testEnv struct {
 	cc  *grpc.ClientConn
 }
 
-func (e testEnv) Close() {
+func (e *testEnv) Close() {
 	if e.cc != nil {
 		e.cc.Close()
 		e.cc = nil