Merge pull request #95 from kzys/gha-protobuild

Run Protobuild in GitHub Actions

.github/workflows/ci.yml

@@ -75,3 +75,55 @@ jobs:
     - name: Codecov
       run: bash <(curl -s https://codecov.io/bash)
       working-directory: src/github.com/containerd/ttrpc
+
+  protobuild:
+    name: Run Protobuild
+    runs-on: ubuntu-20.04
+    timeout-minutes: 5
+    steps:
+
+    - name: Set up Go 1.17
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17
+      id: go
+
+    - name: Setup Go binary path
+      shell: bash
+      run: |
+        echo "GOPATH=${{ github.workspace }}" >> $GITHUB_ENV
+        echo "${{ github.workspace }}/bin" >> $GITHUB_PATH
+
+    - name: Check out code
+      uses: actions/checkout@v2
+      with:
+        path: src/github.com/containerd/ttrpc
+        fetch-depth: 25
+
+    - name: Install protoc
+      run: |
+        curl -LO https://github.com/protocolbuffers/protobuf/releases/download/v3.5.0/protoc-3.5.0-linux-x86_64.zip
+        sudo unzip -x protoc-3.5.0-linux-x86_64.zip -d /usr/local
+        sudo chmod -R go+rX /usr/local/include
+        sudo chmod go+x /usr/local/bin/protoc
+
+    - name: Install gogo/protobuf
+      run: |
+        cd $GOPATH/src
+        mkdir -p github.com/gogo
+        cd github.com/gogo
+        git clone --depth 1 --branch v1.3.2 https://github.com/gogo/protobuf
+
+    - name: Build protoc-gen-gogottrpc
+      working-directory: src/github.com/containerd/ttrpc
+      run: |
+        go build ./cmd/protoc-gen-gogottrpc
+
+    - name: Run Protobuild
+      working-directory: src/github.com/containerd/ttrpc
+      run: |
+        export PATH=$GOPATH/bin:$PWD:$PATH
+        go install github.com/containerd/protobuild@7e5ee24bc1f70e9e289fef15e2631eb3491320bf
+        cd example
+        protobuild
+        git diff --exit-code

example/example.pb.go

@@ -1,32 +1,21 @@
 // Code generated by protoc-gen-gogo. DO NOT EDIT.
 // source: github.com/containerd/ttrpc/example/example.proto
 
-/*
-	Package example is a generated protocol buffer package.
-
-	It is generated from these files:
-		github.com/containerd/ttrpc/example/example.proto
-
-	It has these top-level messages:
-		Method1Request
-		Method1Response
-		Method2Request
-*/
 package example
 
-import proto "github.com/gogo/protobuf/proto"
+import (
-import fmt "fmt"
+	context "context"
-import math "math"
+	fmt "fmt"
-import google_protobuf "github.com/gogo/protobuf/types"
+	github_com_containerd_ttrpc "github.com/containerd/ttrpc"
-import _ "github.com/gogo/protobuf/gogoproto"
+	_ "github.com/gogo/protobuf/gogoproto"
-
+	proto "github.com/gogo/protobuf/proto"
-import strings "strings"
+	types "github.com/gogo/protobuf/types"
-import reflect "reflect"
+	io "io"
-
+	math "math"
-import context "context"
+	math_bits "math/bits"
-import ttrpc "github.com/containerd/ttrpc"
+	reflect "reflect"
-
+	strings "strings"
-import io "io"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -37,43 +26,163 @@ var _ = math.Inf
 // 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.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
 type Method1Request struct {
 	Foo                  string   `protobuf:"bytes,1,opt,name=foo,proto3" json:"foo,omitempty"`
 	Bar                  string   `protobuf:"bytes,2,opt,name=bar,proto3" json:"bar,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *Method1Request) Reset()      { *m = Method1Request{} }
 func (*Method1Request) ProtoMessage() {}
-func (*Method1Request) Descriptor() ([]byte, []int) { return fileDescriptorExample, []int{0} }
+func (*Method1Request) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d5b23bbed948ff84, []int{0}
+}
+func (m *Method1Request) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *Method1Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_Method1Request.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *Method1Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Method1Request.Merge(m, src)
+}
+func (m *Method1Request) XXX_Size() int {
+	return m.Size()
+}
+func (m *Method1Request) XXX_DiscardUnknown() {
+	xxx_messageInfo_Method1Request.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Method1Request proto.InternalMessageInfo
 
 type Method1Response struct {
 	Foo                  string   `protobuf:"bytes,1,opt,name=foo,proto3" json:"foo,omitempty"`
 	Bar                  string   `protobuf:"bytes,2,opt,name=bar,proto3" json:"bar,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *Method1Response) Reset()      { *m = Method1Response{} }
 func (*Method1Response) ProtoMessage() {}
-func (*Method1Response) Descriptor() ([]byte, []int) { return fileDescriptorExample, []int{1} }
+func (*Method1Response) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d5b23bbed948ff84, []int{1}
+}
+func (m *Method1Response) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *Method1Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_Method1Response.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *Method1Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Method1Response.Merge(m, src)
+}
+func (m *Method1Response) XXX_Size() int {
+	return m.Size()
+}
+func (m *Method1Response) XXX_DiscardUnknown() {
+	xxx_messageInfo_Method1Response.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Method1Response proto.InternalMessageInfo
 
 type Method2Request struct {
 	Action               string   `protobuf:"bytes,1,opt,name=action,proto3" json:"action,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *Method2Request) Reset()      { *m = Method2Request{} }
 func (*Method2Request) ProtoMessage() {}
-func (*Method2Request) Descriptor() ([]byte, []int) { return fileDescriptorExample, []int{2} }
+func (*Method2Request) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d5b23bbed948ff84, []int{2}
+}
+func (m *Method2Request) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *Method2Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_Method2Request.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *Method2Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Method2Request.Merge(m, src)
+}
+func (m *Method2Request) XXX_Size() int {
+	return m.Size()
+}
+func (m *Method2Request) XXX_DiscardUnknown() {
+	xxx_messageInfo_Method2Request.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Method2Request proto.InternalMessageInfo
 
 func init() {
 	proto.RegisterType((*Method1Request)(nil), "ttrpc.example.v1.Method1Request")
 	proto.RegisterType((*Method1Response)(nil), "ttrpc.example.v1.Method1Response")
 	proto.RegisterType((*Method2Request)(nil), "ttrpc.example.v1.Method2Request")
 }
+
+func init() {
+	proto.RegisterFile("github.com/containerd/ttrpc/example/example.proto", fileDescriptor_d5b23bbed948ff84)
+}
+
+var fileDescriptor_d5b23bbed948ff84 = []byte{
+	// 279 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x32, 0x4c, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0xd1, 0x2f, 0x29, 0x29, 0x2a, 0x48, 0xd6, 0x4f, 0xad, 0x48, 0xcc, 0x2d, 0xc8, 0x49, 0x85,
+	0xd1, 0x7a, 0x05, 0x45, 0xf9, 0x25, 0xf9, 0x42, 0x02, 0x60, 0x49, 0x3d, 0x98, 0x60, 0x99, 0xa1,
+	0x94, 0x74, 0x7a, 0x7e, 0x7e, 0x7a, 0x4e, 0xaa, 0x3e, 0x58, 0x3e, 0xa9, 0x34, 0x4d, 0x3f, 0x35,
+	0xb7, 0xa0, 0xa4, 0x12, 0xa2, 0x5c, 0x4a, 0x24, 0x3d, 0x3f, 0x3d, 0x1f, 0xcc, 0xd4, 0x07, 0xb1,
+	0x20, 0xa2, 0x4a, 0x26, 0x5c, 0x7c, 0xbe, 0xa9, 0x25, 0x19, 0xf9, 0x29, 0x86, 0x41, 0xa9, 0x85,
+	0xa5, 0xa9, 0xc5, 0x25, 0x42, 0x02, 0x5c, 0xcc, 0x69, 0xf9, 0xf9, 0x12, 0x8c, 0x0a, 0x8c, 0x1a,
+	0x9c, 0x41, 0x20, 0x26, 0x48, 0x24, 0x29, 0xb1, 0x48, 0x82, 0x09, 0x22, 0x92, 0x94, 0x58, 0xa4,
+	0x64, 0xca, 0xc5, 0x0f, 0xd7, 0x55, 0x5c, 0x90, 0x9f, 0x57, 0x9c, 0x4a, 0x94, 0x36, 0x0d, 0x98,
+	0x65, 0x46, 0x30, 0xcb, 0xc4, 0xb8, 0xd8, 0x12, 0x93, 0x4b, 0x32, 0xf3, 0xf3, 0xa0, 0x1a, 0xa1,
+	0x3c, 0xa3, 0x79, 0x8c, 0x5c, 0xec, 0xae, 0x10, 0x8f, 0x09, 0xf9, 0x71, 0xb1, 0x43, 0x2d, 0x13,
+	0x52, 0xd0, 0x43, 0xf7, 0xb3, 0x1e, 0xaa, 0xeb, 0xa5, 0x14, 0xf1, 0xa8, 0x80, 0xba, 0xd4, 0x19,
+	0x66, 0x9e, 0x11, 0x11, 0xe6, 0x89, 0xe9, 0x41, 0xc2, 0x54, 0x0f, 0x16, 0xa6, 0x7a, 0xae, 0xa0,
+	0x30, 0x75, 0x72, 0x3d, 0xf1, 0x50, 0x8e, 0xe1, 0xc6, 0x43, 0x39, 0x86, 0x86, 0x47, 0x72, 0x8c,
+	0x27, 0x1e, 0xc9, 0x31, 0x5e, 0x78, 0x24, 0xc7, 0xf8, 0xe0, 0x91, 0x1c, 0x63, 0x94, 0x36, 0x11,
+	0x31, 0x69, 0x0d, 0xa5, 0x93, 0xd8, 0xc0, 0xc6, 0x1a, 0x03, 0x02, 0x00, 0x00, 0xff, 0xff, 0x4a,
+	0xc9, 0x2c, 0xdc, 0xff, 0x01, 0x00, 0x00,
+}
+
 func (m *Method1Request) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
-	n, err := m.MarshalTo(dAtA)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
 	if err != nil {
 		return nil, err
 	}
@@ -81,29 +190,40 @@ func (m *Method1Request) Marshal() (dAtA []byte, err error) {
 }
 
 func (m *Method1Request) MarshalTo(dAtA []byte) (int, error) {
-	var i int
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *Method1Request) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
 	_ = i
 	var l int
 	_ = l
-	if len(m.Foo) > 0 {
+	if m.XXX_unrecognized != nil {
-		dAtA[i] = 0xa
+		i -= len(m.XXX_unrecognized)
-		i++
+		copy(dAtA[i:], m.XXX_unrecognized)
-		i = encodeVarintExample(dAtA, i, uint64(len(m.Foo)))
-		i += copy(dAtA[i:], m.Foo)
 	}
 	if len(m.Bar) > 0 {
-		dAtA[i] = 0x12
+		i -= len(m.Bar)
-		i++
+		copy(dAtA[i:], m.Bar)
 		i = encodeVarintExample(dAtA, i, uint64(len(m.Bar)))
-		i += copy(dAtA[i:], m.Bar)
+		i--
+		dAtA[i] = 0x12
 	}
-	return i, nil
+	if len(m.Foo) > 0 {
+		i -= len(m.Foo)
+		copy(dAtA[i:], m.Foo)
+		i = encodeVarintExample(dAtA, i, uint64(len(m.Foo)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
 }
 
 func (m *Method1Response) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
-	n, err := m.MarshalTo(dAtA)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
 	if err != nil {
 		return nil, err
 	}
@@ -111,29 +231,40 @@ func (m *Method1Response) Marshal() (dAtA []byte, err error) {
 }
 
 func (m *Method1Response) MarshalTo(dAtA []byte) (int, error) {
-	var i int
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *Method1Response) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
 	_ = i
 	var l int
 	_ = l
-	if len(m.Foo) > 0 {
+	if m.XXX_unrecognized != nil {
-		dAtA[i] = 0xa
+		i -= len(m.XXX_unrecognized)
-		i++
+		copy(dAtA[i:], m.XXX_unrecognized)
-		i = encodeVarintExample(dAtA, i, uint64(len(m.Foo)))
-		i += copy(dAtA[i:], m.Foo)
 	}
 	if len(m.Bar) > 0 {
-		dAtA[i] = 0x12
+		i -= len(m.Bar)
-		i++
+		copy(dAtA[i:], m.Bar)
 		i = encodeVarintExample(dAtA, i, uint64(len(m.Bar)))
-		i += copy(dAtA[i:], m.Bar)
+		i--
+		dAtA[i] = 0x12
 	}
-	return i, nil
+	if len(m.Foo) > 0 {
+		i -= len(m.Foo)
+		copy(dAtA[i:], m.Foo)
+		i = encodeVarintExample(dAtA, i, uint64(len(m.Foo)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
 }
 
 func (m *Method2Request) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
-	n, err := m.MarshalTo(dAtA)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
 	if err != nil {
 		return nil, err
 	}
@@ -141,29 +272,44 @@ func (m *Method2Request) Marshal() (dAtA []byte, err error) {
 }
 
 func (m *Method2Request) MarshalTo(dAtA []byte) (int, error) {
-	var i int
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *Method2Request) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
 	_ = i
 	var l int
 	_ = l
-	if len(m.Action) > 0 {
+	if m.XXX_unrecognized != nil {
-		dAtA[i] = 0xa
+		i -= len(m.XXX_unrecognized)
-		i++
+		copy(dAtA[i:], m.XXX_unrecognized)
-		i = encodeVarintExample(dAtA, i, uint64(len(m.Action)))
-		i += copy(dAtA[i:], m.Action)
 	}
-	return i, nil
+	if len(m.Action) > 0 {
+		i -= len(m.Action)
+		copy(dAtA[i:], m.Action)
+		i = encodeVarintExample(dAtA, i, uint64(len(m.Action)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
 }
 
 func encodeVarintExample(dAtA []byte, offset int, v uint64) int {
+	offset -= sovExample(v)
+	base := offset
 	for v >= 1<<7 {
 		dAtA[offset] = uint8(v&0x7f | 0x80)
 		v >>= 7
 		offset++
 	}
 	dAtA[offset] = uint8(v)
-	return offset + 1
+	return base
 }
 func (m *Method1Request) Size() (n int) {
+	if m == nil {
+		return 0
+	}
 	var l int
 	_ = l
 	l = len(m.Foo)
@@ -174,10 +320,16 @@ func (m *Method1Request) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovExample(uint64(l))
 	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
 	return n
 }
 
 func (m *Method1Response) Size() (n int) {
+	if m == nil {
+		return 0
+	}
 	var l int
 	_ = l
 	l = len(m.Foo)
@@ -188,28 +340,30 @@ func (m *Method1Response) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovExample(uint64(l))
 	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
 	return n
 }
 
 func (m *Method2Request) Size() (n int) {
+	if m == nil {
+		return 0
+	}
 	var l int
 	_ = l
 	l = len(m.Action)
 	if l > 0 {
 		n += 1 + l + sovExample(uint64(l))
 	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
 	return n
 }
 
 func sovExample(x uint64) (n int) {
-	for {
+	return (math_bits.Len64(x|1) + 6) / 7
-		n++
-		x >>= 7
-		if x == 0 {
-			break
-		}
-	}
-	return n
 }
 func sozExample(x uint64) (n int) {
 	return sovExample(uint64((x << 1) ^ uint64((int64(x) >> 63))))
@@ -221,6 +375,7 @@ func (this *Method1Request) String() string {
 	s := strings.Join([]string{`&Method1Request{`,
 		`Foo:` + fmt.Sprintf("%v", this.Foo) + `,`,
 		`Bar:` + fmt.Sprintf("%v", this.Bar) + `,`,
+		`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -232,6 +387,7 @@ func (this *Method1Response) String() string {
 	s := strings.Join([]string{`&Method1Response{`,
 		`Foo:` + fmt.Sprintf("%v", this.Foo) + `,`,
 		`Bar:` + fmt.Sprintf("%v", this.Bar) + `,`,
+		`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -242,6 +398,7 @@ func (this *Method2Request) String() string {
 	}
 	s := strings.Join([]string{`&Method2Request{`,
 		`Action:` + fmt.Sprintf("%v", this.Action) + `,`,
+		`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -257,11 +414,11 @@ func valueToStringExample(v interface{}) string {
 
 type ExampleService interface {
 	Method1(ctx context.Context, req *Method1Request) (*Method1Response, error)
-	Method2(ctx context.Context, req *Method1Request) (*google_protobuf.Empty, error)
+	Method2(ctx context.Context, req *Method1Request) (*types.Empty, error)
 }
 
-func RegisterExampleService(srv *ttrpc.Server, svc ExampleService) {
+func RegisterExampleService(srv *github_com_containerd_ttrpc.Server, svc ExampleService) {
-	srv.Register("ttrpc.example.v1.Example", map[string]ttrpc.Method{
+	srv.Register("ttrpc.example.v1.Example", map[string]github_com_containerd_ttrpc.Method{
 		"Method1": func(ctx context.Context, unmarshal func(interface{}) error) (interface{}, error) {
 			var req Method1Request
 			if err := unmarshal(&req); err != nil {
@@ -280,10 +437,10 @@ func RegisterExampleService(srv *ttrpc.Server, svc ExampleService) {
 }
 
 type exampleClient struct {
-	client *ttrpc.Client
+	client *github_com_containerd_ttrpc.Client
 }
 
-func NewExampleClient(client *ttrpc.Client) ExampleService {
+func NewExampleClient(client *github_com_containerd_ttrpc.Client) ExampleService {
 	return &exampleClient{
 		client: client,
 	}
@@ -297,8 +454,8 @@ func (c *exampleClient) Method1(ctx context.Context, req *Method1Request) (*Meth
 	return &resp, nil
 }
 
-func (c *exampleClient) Method2(ctx context.Context, req *Method1Request) (*google_protobuf.Empty, error) {
+func (c *exampleClient) Method2(ctx context.Context, req *Method1Request) (*types.Empty, error) {
-	var resp google_protobuf.Empty
+	var resp types.Empty
 	if err := c.client.Call(ctx, "ttrpc.example.v1.Example", "Method2", req, &resp); err != nil {
 		return nil, err
 	}
@@ -319,7 +476,7 @@ func (m *Method1Request) Unmarshal(dAtA []byte) error {
 			}
 			b := dAtA[iNdEx]
 			iNdEx++
-			wire |= (uint64(b) & 0x7F) << shift
+			wire |= uint64(b&0x7F) << shift
 			if b < 0x80 {
 				break
 			}
@@ -347,7 +504,7 @@ func (m *Method1Request) Unmarshal(dAtA []byte) error {
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				stringLen |= (uint64(b) & 0x7F) << shift
+				stringLen |= uint64(b&0x7F) << shift
 				if b < 0x80 {
 					break
 				}
@@ -357,6 +514,9 @@ func (m *Method1Request) Unmarshal(dAtA []byte) error {
 				return ErrInvalidLengthExample
 			}
 			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthExample
+			}
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
@@ -376,7 +536,7 @@ func (m *Method1Request) Unmarshal(dAtA []byte) error {
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				stringLen |= (uint64(b) & 0x7F) << shift
+				stringLen |= uint64(b&0x7F) << shift
 				if b < 0x80 {
 					break
 				}
@@ -386,6 +546,9 @@ func (m *Method1Request) Unmarshal(dAtA []byte) error {
 				return ErrInvalidLengthExample
 			}
 			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthExample
+			}
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
@@ -397,12 +560,13 @@ func (m *Method1Request) Unmarshal(dAtA []byte) error {
 			if err != nil {
 				return err
 			}
-			if skippy < 0 {
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
 				return ErrInvalidLengthExample
 			}
 			if (iNdEx + skippy) > l {
 				return io.ErrUnexpectedEOF
 			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
 			iNdEx += skippy
 		}
 	}
@@ -427,7 +591,7 @@ func (m *Method1Response) Unmarshal(dAtA []byte) error {
 			}
 			b := dAtA[iNdEx]
 			iNdEx++
-			wire |= (uint64(b) & 0x7F) << shift
+			wire |= uint64(b&0x7F) << shift
 			if b < 0x80 {
 				break
 			}
@@ -455,7 +619,7 @@ func (m *Method1Response) Unmarshal(dAtA []byte) error {
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				stringLen |= (uint64(b) & 0x7F) << shift
+				stringLen |= uint64(b&0x7F) << shift
 				if b < 0x80 {
 					break
 				}
@@ -465,6 +629,9 @@ func (m *Method1Response) Unmarshal(dAtA []byte) error {
 				return ErrInvalidLengthExample
 			}
 			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthExample
+			}
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
@@ -484,7 +651,7 @@ func (m *Method1Response) Unmarshal(dAtA []byte) error {
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				stringLen |= (uint64(b) & 0x7F) << shift
+				stringLen |= uint64(b&0x7F) << shift
 				if b < 0x80 {
 					break
 				}
@@ -494,6 +661,9 @@ func (m *Method1Response) Unmarshal(dAtA []byte) error {
 				return ErrInvalidLengthExample
 			}
 			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthExample
+			}
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
@@ -505,12 +675,13 @@ func (m *Method1Response) Unmarshal(dAtA []byte) error {
 			if err != nil {
 				return err
 			}
-			if skippy < 0 {
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
 				return ErrInvalidLengthExample
 			}
 			if (iNdEx + skippy) > l {
 				return io.ErrUnexpectedEOF
 			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
 			iNdEx += skippy
 		}
 	}
@@ -535,7 +706,7 @@ func (m *Method2Request) Unmarshal(dAtA []byte) error {
 			}
 			b := dAtA[iNdEx]
 			iNdEx++
-			wire |= (uint64(b) & 0x7F) << shift
+			wire |= uint64(b&0x7F) << shift
 			if b < 0x80 {
 				break
 			}
@@ -563,7 +734,7 @@ func (m *Method2Request) Unmarshal(dAtA []byte) error {
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				stringLen |= (uint64(b) & 0x7F) << shift
+				stringLen |= uint64(b&0x7F) << shift
 				if b < 0x80 {
 					break
 				}
@@ -573,6 +744,9 @@ func (m *Method2Request) Unmarshal(dAtA []byte) error {
 				return ErrInvalidLengthExample
 			}
 			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthExample
+			}
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
@@ -584,12 +758,13 @@ func (m *Method2Request) Unmarshal(dAtA []byte) error {
 			if err != nil {
 				return err
 			}
-			if skippy < 0 {
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
 				return ErrInvalidLengthExample
 			}
 			if (iNdEx + skippy) > l {
 				return io.ErrUnexpectedEOF
 			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
 			iNdEx += skippy
 		}
 	}
@@ -602,6 +777,7 @@ func (m *Method2Request) Unmarshal(dAtA []byte) error {
 func skipExample(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
+	depth := 0
 	for iNdEx < l {
 		var wire uint64
 		for shift := uint(0); ; shift += 7 {
@@ -633,10 +809,8 @@ func skipExample(dAtA []byte) (n int, err error) {
 					break
 				}
 			}
-			return iNdEx, nil
 		case 1:
 			iNdEx += 8
-			return iNdEx, nil
 		case 2:
 			var length int
 			for shift := uint(0); ; shift += 7 {
@@ -653,79 +827,34 @@ func skipExample(dAtA []byte) (n int, err error) {
 					break
 				}
 			}
-			iNdEx += length
 			if length < 0 {
 				return 0, ErrInvalidLengthExample
 			}
-			return iNdEx, nil
+			iNdEx += length
 		case 3:
-			for {
+			depth++
-				var innerWire uint64
-				var start int = iNdEx
-				for shift := uint(0); ; shift += 7 {
-					if shift >= 64 {
-						return 0, ErrIntOverflowExample
-					}
-					if iNdEx >= l {
-						return 0, io.ErrUnexpectedEOF
-					}
-					b := dAtA[iNdEx]
-					iNdEx++
-					innerWire |= (uint64(b) & 0x7F) << shift
-					if b < 0x80 {
-						break
-					}
-				}
-				innerWireType := int(innerWire & 0x7)
-				if innerWireType == 4 {
-					break
-				}
-				next, err := skipExample(dAtA[start:])
-				if err != nil {
-					return 0, err
-				}
-				iNdEx = start + next
-			}
-			return iNdEx, nil
 		case 4:
-			return iNdEx, nil
+			if depth == 0 {
+				return 0, ErrUnexpectedEndOfGroupExample
+			}
+			depth--
 		case 5:
 			iNdEx += 4
-			return iNdEx, nil
 		default:
 			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
 		}
+		if iNdEx < 0 {
+			return 0, ErrInvalidLengthExample
 		}
-	panic("unreachable")
+		if depth == 0 {
+			return iNdEx, nil
+		}
+	}
+	return 0, io.ErrUnexpectedEOF
 }
 
 var (
 	ErrInvalidLengthExample        = fmt.Errorf("proto: negative length found during unmarshaling")
 	ErrIntOverflowExample          = fmt.Errorf("proto: integer overflow")
+	ErrUnexpectedEndOfGroupExample = fmt.Errorf("proto: unexpected end of group")
 )
-
-func init() {
-	proto.RegisterFile("github.com/containerd/ttrpc/example/example.proto", fileDescriptorExample)
-}
-
-var fileDescriptorExample = []byte{
-	// 279 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x32, 0x4c, 0xcf, 0x2c, 0xc9,
-	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
-	0x4a, 0xd1, 0x2f, 0x29, 0x29, 0x2a, 0x48, 0xd6, 0x4f, 0xad, 0x48, 0xcc, 0x2d, 0xc8, 0x49, 0x85,
-	0xd1, 0x7a, 0x05, 0x45, 0xf9, 0x25, 0xf9, 0x42, 0x02, 0x60, 0x49, 0x3d, 0x98, 0x60, 0x99, 0xa1,
-	0x94, 0x74, 0x7a, 0x7e, 0x7e, 0x7a, 0x4e, 0xaa, 0x3e, 0x58, 0x3e, 0xa9, 0x34, 0x4d, 0x3f, 0x35,
-	0xb7, 0xa0, 0xa4, 0x12, 0xa2, 0x5c, 0x4a, 0x24, 0x3d, 0x3f, 0x3d, 0x1f, 0xcc, 0xd4, 0x07, 0xb1,
-	0x20, 0xa2, 0x4a, 0x26, 0x5c, 0x7c, 0xbe, 0xa9, 0x25, 0x19, 0xf9, 0x29, 0x86, 0x41, 0xa9, 0x85,
-	0xa5, 0xa9, 0xc5, 0x25, 0x42, 0x02, 0x5c, 0xcc, 0x69, 0xf9, 0xf9, 0x12, 0x8c, 0x0a, 0x8c, 0x1a,
-	0x9c, 0x41, 0x20, 0x26, 0x48, 0x24, 0x29, 0xb1, 0x48, 0x82, 0x09, 0x22, 0x92, 0x94, 0x58, 0xa4,
-	0x64, 0xca, 0xc5, 0x0f, 0xd7, 0x55, 0x5c, 0x90, 0x9f, 0x57, 0x9c, 0x4a, 0x94, 0x36, 0x0d, 0x98,
-	0x65, 0x46, 0x30, 0xcb, 0xc4, 0xb8, 0xd8, 0x12, 0x93, 0x4b, 0x32, 0xf3, 0xf3, 0xa0, 0x1a, 0xa1,
-	0x3c, 0xa3, 0x79, 0x8c, 0x5c, 0xec, 0xae, 0x10, 0x8f, 0x09, 0xf9, 0x71, 0xb1, 0x43, 0x2d, 0x13,
-	0x52, 0xd0, 0x43, 0xf7, 0xb3, 0x1e, 0xaa, 0xeb, 0xa5, 0x14, 0xf1, 0xa8, 0x80, 0xba, 0xd4, 0x19,
-	0x66, 0x9e, 0x11, 0x11, 0xe6, 0x89, 0xe9, 0x41, 0xc2, 0x54, 0x0f, 0x16, 0xa6, 0x7a, 0xae, 0xa0,
-	0x30, 0x75, 0x72, 0x3d, 0xf1, 0x50, 0x8e, 0xe1, 0xc6, 0x43, 0x39, 0x86, 0x86, 0x47, 0x72, 0x8c,
-	0x27, 0x1e, 0xc9, 0x31, 0x5e, 0x78, 0x24, 0xc7, 0xf8, 0xe0, 0x91, 0x1c, 0x63, 0x94, 0x36, 0x11,
-	0x31, 0x69, 0x0d, 0xa5, 0x93, 0xd8, 0xc0, 0xc6, 0x1a, 0x03, 0x02, 0x00, 0x00, 0xff, 0xff, 0x4a,
-	0xc9, 0x2c, 0xdc, 0xff, 0x01, 0x00, 0x00,
-}