Add week 2 materials

materials/02-communication/grpc-practice/go-server/proto/storage.pb.go

@@ -0,0 +1,416 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v4.25.2
+// source: proto/storage.proto
+
+package storagepb
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	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)
+)
+
+type Value struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Payload   uint64                 `protobuf:"varint,1,opt,name=payload,proto3" json:"payload,omitempty"`
+	UpdatedAt *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=updated_at,json=updatedAt,proto3,oneof" json:"updated_at,omitempty"`
+}
+
+func (x *Value) Reset() {
+	*x = Value{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_storage_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Value) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Value) ProtoMessage() {}
+
+func (x *Value) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_storage_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 Value.ProtoReflect.Descriptor instead.
+func (*Value) Descriptor() ([]byte, []int) {
+	return file_proto_storage_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Value) GetPayload() uint64 {
+	if x != nil {
+		return x.Payload
+	}
+	return 0
+}
+
+func (x *Value) GetUpdatedAt() *timestamppb.Timestamp {
+	if x != nil {
+		return x.UpdatedAt
+	}
+	return nil
+}
+
+type PutRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Value *Value `protobuf:"bytes,1,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *PutRequest) Reset() {
+	*x = PutRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_storage_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PutRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PutRequest) ProtoMessage() {}
+
+func (x *PutRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_storage_proto_msgTypes[1]
+	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 PutRequest.ProtoReflect.Descriptor instead.
+func (*PutRequest) Descriptor() ([]byte, []int) {
+	return file_proto_storage_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *PutRequest) GetValue() *Value {
+	if x != nil {
+		return x.Value
+	}
+	return nil
+}
+
+type PutResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Value uint64 `protobuf:"varint,1,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *PutResponse) Reset() {
+	*x = PutResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_storage_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PutResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PutResponse) ProtoMessage() {}
+
+func (x *PutResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_storage_proto_msgTypes[2]
+	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 PutResponse.ProtoReflect.Descriptor instead.
+func (*PutResponse) Descriptor() ([]byte, []int) {
+	return file_proto_storage_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *PutResponse) GetValue() uint64 {
+	if x != nil {
+		return x.Value
+	}
+	return 0
+}
+
+type GetRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *GetRequest) Reset() {
+	*x = GetRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_storage_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetRequest) ProtoMessage() {}
+
+func (x *GetRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_storage_proto_msgTypes[3]
+	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 GetRequest.ProtoReflect.Descriptor instead.
+func (*GetRequest) Descriptor() ([]byte, []int) {
+	return file_proto_storage_proto_rawDescGZIP(), []int{3}
+}
+
+type GetResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Value *Value `protobuf:"bytes,1,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *GetResponse) Reset() {
+	*x = GetResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_storage_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetResponse) ProtoMessage() {}
+
+func (x *GetResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_storage_proto_msgTypes[4]
+	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 GetResponse.ProtoReflect.Descriptor instead.
+func (*GetResponse) Descriptor() ([]byte, []int) {
+	return file_proto_storage_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *GetResponse) GetValue() *Value {
+	if x != nil {
+		return x.Value
+	}
+	return nil
+}
+
+var File_proto_storage_proto protoreflect.FileDescriptor
+
+var file_proto_storage_proto_rawDesc = []byte{
+	0x0a, 0x13, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x2e,
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+	0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x42, 0x14, 0x5a, 0x12, 0x68, 0x73, 0x65, 0x67, 0x72, 0x70,
+	0x63, 0x2f, 0x3b, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_proto_storage_proto_rawDescOnce sync.Once
+	file_proto_storage_proto_rawDescData = file_proto_storage_proto_rawDesc
+)
+
+func file_proto_storage_proto_rawDescGZIP() []byte {
+	file_proto_storage_proto_rawDescOnce.Do(func() {
+		file_proto_storage_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_storage_proto_rawDescData)
+	})
+	return file_proto_storage_proto_rawDescData
+}
+
+var file_proto_storage_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_proto_storage_proto_goTypes = []interface{}{
+	(*Value)(nil),                 // 0: storage.Value
+	(*PutRequest)(nil),            // 1: storage.PutRequest
+	(*PutResponse)(nil),           // 2: storage.PutResponse
+	(*GetRequest)(nil),            // 3: storage.GetRequest
+	(*GetResponse)(nil),           // 4: storage.GetResponse
+	(*timestamppb.Timestamp)(nil), // 5: google.protobuf.Timestamp
+}
+var file_proto_storage_proto_depIdxs = []int32{
+	5, // 0: storage.Value.updated_at:type_name -> google.protobuf.Timestamp
+	0, // 1: storage.PutRequest.value:type_name -> storage.Value
+	0, // 2: storage.GetResponse.value:type_name -> storage.Value
+	1, // 3: storage.Storage.PutValue:input_type -> storage.PutRequest
+	3, // 4: storage.Storage.GetValue:input_type -> storage.GetRequest
+	2, // 5: storage.Storage.PutValue:output_type -> storage.PutResponse
+	4, // 6: storage.Storage.GetValue:output_type -> storage.GetResponse
+	5, // [5:7] is the sub-list for method output_type
+	3, // [3:5] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
+}
+
+func init() { file_proto_storage_proto_init() }
+func file_proto_storage_proto_init() {
+	if File_proto_storage_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_proto_storage_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Value); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_storage_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PutRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_storage_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PutResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_storage_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_storage_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_proto_storage_proto_msgTypes[0].OneofWrappers = []interface{}{}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_proto_storage_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   5,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_proto_storage_proto_goTypes,
+		DependencyIndexes: file_proto_storage_proto_depIdxs,
+		MessageInfos:      file_proto_storage_proto_msgTypes,
+	}.Build()
+	File_proto_storage_proto = out.File
+	file_proto_storage_proto_rawDesc = nil
+	file_proto_storage_proto_goTypes = nil
+	file_proto_storage_proto_depIdxs = nil
+}

materials/02-communication/grpc-practice/go-server/proto/storage.proto

@@ -0,0 +1,32 @@
+syntax = "proto3";
+
+package storage;
+
+option go_package = "hsegrpc/;storagepb";
+
+import "google/protobuf/timestamp.proto";
+
+service Storage {
+  rpc PutValue(PutRequest) returns (PutResponse);
+  rpc GetValue(GetRequest) returns (GetResponse);
+}
+
+message Value {
+  uint64 payload = 1;
+  optional google.protobuf.Timestamp updated_at = 2;
+}
+
+message PutRequest {
+  Value value = 1;
+}
+
+message PutResponse {
+  uint64 value = 1;
+}
+
+message GetRequest {
+}
+
+message GetResponse {
+  Value value = 1;
+}

materials/02-communication/grpc-practice/go-server/proto/storage_grpc.pb.go

@@ -0,0 +1,141 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v4.25.2
+// source: proto/storage.proto
+
+package storagepb
+
+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
+
+// StorageClient is the client API for Storage 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 StorageClient interface {
+	PutValue(ctx context.Context, in *PutRequest, opts ...grpc.CallOption) (*PutResponse, error)
+	GetValue(ctx context.Context, in *GetRequest, opts ...grpc.CallOption) (*GetResponse, error)
+}
+
+type storageClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewStorageClient(cc grpc.ClientConnInterface) StorageClient {
+	return &storageClient{cc}
+}
+
+func (c *storageClient) PutValue(ctx context.Context, in *PutRequest, opts ...grpc.CallOption) (*PutResponse, error) {
+	out := new(PutResponse)
+	err := c.cc.Invoke(ctx, "/storage.Storage/PutValue", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *storageClient) GetValue(ctx context.Context, in *GetRequest, opts ...grpc.CallOption) (*GetResponse, error) {
+	out := new(GetResponse)
+	err := c.cc.Invoke(ctx, "/storage.Storage/GetValue", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// StorageServer is the server API for Storage service.
+// All implementations must embed UnimplementedStorageServer
+// for forward compatibility
+type StorageServer interface {
+	PutValue(context.Context, *PutRequest) (*PutResponse, error)
+	GetValue(context.Context, *GetRequest) (*GetResponse, error)
+	mustEmbedUnimplementedStorageServer()
+}
+
+// UnimplementedStorageServer must be embedded to have forward compatible implementations.
+type UnimplementedStorageServer struct {
+}
+
+func (UnimplementedStorageServer) PutValue(context.Context, *PutRequest) (*PutResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method PutValue not implemented")
+}
+func (UnimplementedStorageServer) GetValue(context.Context, *GetRequest) (*GetResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetValue not implemented")
+}
+func (UnimplementedStorageServer) mustEmbedUnimplementedStorageServer() {}
+
+// UnsafeStorageServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to StorageServer will
+// result in compilation errors.
+type UnsafeStorageServer interface {
+	mustEmbedUnimplementedStorageServer()
+}
+
+func RegisterStorageServer(s grpc.ServiceRegistrar, srv StorageServer) {
+	s.RegisterService(&Storage_ServiceDesc, srv)
+}
+
+func _Storage_PutValue_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(PutRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StorageServer).PutValue(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/storage.Storage/PutValue",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StorageServer).PutValue(ctx, req.(*PutRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Storage_GetValue_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StorageServer).GetValue(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/storage.Storage/GetValue",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StorageServer).GetValue(ctx, req.(*GetRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Storage_ServiceDesc is the grpc.ServiceDesc for Storage service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Storage_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "storage.Storage",
+	HandlerType: (*StorageServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "PutValue",
+			Handler:    _Storage_PutValue_Handler,
+		},
+		{
+			MethodName: "GetValue",
+			Handler:    _Storage_GetValue_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "proto/storage.proto",
+}