First commit

Files.txt

+Server-1:
+/root/snap/go/10389/src/
+
+/myFiles/First-GRPC-HW/Second-Try
+
+
+///////////
+
+Server-2:
+/myFiles/First-GRPC-HW/Second-Try
\ No newline at end of file

GoCalculatorMiddlWare/calculator/calculator.pb.go

+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0-devel
+// 	protoc        v3.14.0
+// source: calculator/calculator.proto
+
+package calculator
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	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 Request struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Number1 int64 `protobuf:"varint,1,opt,name=number1,proto3" json:"number1,omitempty"`
+	Number2 int64 `protobuf:"varint,2,opt,name=number2,proto3" json:"number2,omitempty"`
+}
+
+func (x *Request) Reset() {
+	*x = Request{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_calculator_calculator_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Request) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Request) ProtoMessage() {}
+
+func (x *Request) ProtoReflect() protoreflect.Message {
+	mi := &file_calculator_calculator_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 Request.ProtoReflect.Descriptor instead.
+func (*Request) Descriptor() ([]byte, []int) {
+	return file_calculator_calculator_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Request) GetNumber1() int64 {
+	if x != nil {
+		return x.Number1
+	}
+	return 0
+}
+
+func (x *Request) GetNumber2() int64 {
+	if x != nil {
+		return x.Number2
+	}
+	return 0
+}
+
+type Response struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Number1 int64 `protobuf:"varint,1,opt,name=number1,proto3" json:"number1,omitempty"`
+	Number2 int64 `protobuf:"varint,2,opt,name=number2,proto3" json:"number2,omitempty"`
+}
+
+func (x *Response) Reset() {
+	*x = Response{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_calculator_calculator_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Response) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Response) ProtoMessage() {}
+
+func (x *Response) ProtoReflect() protoreflect.Message {
+	mi := &file_calculator_calculator_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 Response.ProtoReflect.Descriptor instead.
+func (*Response) Descriptor() ([]byte, []int) {
+	return file_calculator_calculator_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *Response) GetNumber1() int64 {
+	if x != nil {
+		return x.Number1
+	}
+	return 0
+}
+
+func (x *Response) GetNumber2() int64 {
+	if x != nil {
+		return x.Number2
+	}
+	return 0
+}
+
+var File_calculator_calculator_proto protoreflect.FileDescriptor
+
+var file_calculator_calculator_proto_rawDesc = []byte{
+	0x0a, 0x1b, 0x63, 0x61, 0x6c, 0x63, 0x75, 0x6c, 0x61, 0x74, 0x6f, 0x72, 0x2f, 0x63, 0x61, 0x6c,
+	0x63, 0x75, 0x6c, 0x61, 0x74, 0x6f, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0a, 0x63,
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+	0x75, 0x65, 0x73, 0x74, 0x12, 0x18, 0x0a, 0x07, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x31, 0x18,
+	0x01, 0x20, 0x01, 0x28, 0x03, 0x52, 0x07, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x31, 0x12, 0x18,
+	0x0a, 0x07, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x32, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52,
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+	0x6f, 0x6e, 0x73, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x31, 0x18,
+	0x01, 0x20, 0x01, 0x28, 0x03, 0x52, 0x07, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x31, 0x12, 0x18,
+	0x0a, 0x07, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x32, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52,
+	0x07, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x32, 0x32, 0x48, 0x0a, 0x07, 0x46, 0x6f, 0x72, 0x77,
+	0x61, 0x72, 0x64, 0x12, 0x3d, 0x0a, 0x0e, 0x46, 0x6f, 0x72, 0x77, 0x61, 0x72, 0x64, 0x4e, 0x75,
+	0x6d, 0x62, 0x65, 0x72, 0x73, 0x12, 0x13, 0x2e, 0x63, 0x61, 0x6c, 0x63, 0x75, 0x6c, 0x61, 0x74,
+	0x6f, 0x72, 0x2e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x14, 0x2e, 0x63, 0x61, 0x6c,
+	0x63, 0x75, 0x6c, 0x61, 0x74, 0x6f, 0x72, 0x2e, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
+	0x22, 0x00, 0x32, 0x4d, 0x0a, 0x0a, 0x43, 0x61, 0x6c, 0x63, 0x75, 0x6c, 0x61, 0x74, 0x6f, 0x72,
+	0x12, 0x3f, 0x0a, 0x10, 0x43, 0x61, 0x6c, 0x63, 0x75, 0x6c, 0x61, 0x74, 0x65, 0x4e, 0x75, 0x6d,
+	0x62, 0x65, 0x72, 0x73, 0x12, 0x13, 0x2e, 0x63, 0x61, 0x6c, 0x63, 0x75, 0x6c, 0x61, 0x74, 0x6f,
+	0x72, 0x2e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x14, 0x2e, 0x63, 0x61, 0x6c, 0x63,
+	0x75, 0x6c, 0x61, 0x74, 0x6f, 0x72, 0x2e, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22,
+	0x00, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_calculator_calculator_proto_rawDescOnce sync.Once
+	file_calculator_calculator_proto_rawDescData = file_calculator_calculator_proto_rawDesc
+)
+
+func file_calculator_calculator_proto_rawDescGZIP() []byte {
+	file_calculator_calculator_proto_rawDescOnce.Do(func() {
+		file_calculator_calculator_proto_rawDescData = protoimpl.X.CompressGZIP(file_calculator_calculator_proto_rawDescData)
+	})
+	return file_calculator_calculator_proto_rawDescData
+}
+
+var file_calculator_calculator_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_calculator_calculator_proto_goTypes = []interface{}{
+	(*Request)(nil),  // 0: calculator.Request
+	(*Response)(nil), // 1: calculator.Response
+}
+var file_calculator_calculator_proto_depIdxs = []int32{
+	0, // 0: calculator.Forward.ForwardNumbers:input_type -> calculator.Request
+	0, // 1: calculator.Calculator.CalculateNumbers:input_type -> calculator.Request
+	1, // 2: calculator.Forward.ForwardNumbers:output_type -> calculator.Response
+	1, // 3: calculator.Calculator.CalculateNumbers:output_type -> calculator.Response
+	2, // [2:4] is the sub-list for method output_type
+	0, // [0:2] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_calculator_calculator_proto_init() }
+func file_calculator_calculator_proto_init() {
+	if File_calculator_calculator_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_calculator_calculator_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Request); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_calculator_calculator_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Response); 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_calculator_calculator_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   2,
+		},
+		GoTypes:           file_calculator_calculator_proto_goTypes,
+		DependencyIndexes: file_calculator_calculator_proto_depIdxs,
+		MessageInfos:      file_calculator_calculator_proto_msgTypes,
+	}.Build()
+	File_calculator_calculator_proto = out.File
+	file_calculator_calculator_proto_rawDesc = nil
+	file_calculator_calculator_proto_goTypes = nil
+	file_calculator_calculator_proto_depIdxs = nil
+}

GoCalculatorMiddlWare/calculator/calculator.proto

+syntax = "proto3";
+
+package calculator;
+
+service Forward{
+  rpc ForwardNumbers(Request) returns (Response) {}
+}
+
+service Calculator {
+  rpc CalculateNumbers(Request) returns (Response) {}
+}
+
+message Request {
+  int64 number1 = 1;
+  int64 number2 = 2;
+}
+
+message Response {
+  int64 number1 = 1;
+  int64 number2 = 2;
+}

GoCalculatorMiddlWare/calculator/calculator_grpc.pb.go

+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package calculator
+
+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
+
+// ForwardClient is the client API for Forward 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 ForwardClient interface {
+	ForwardNumbers(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error)
+}
+
+type forwardClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewForwardClient(cc grpc.ClientConnInterface) ForwardClient {
+	return &forwardClient{cc}
+}
+
+func (c *forwardClient) ForwardNumbers(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error) {
+	out := new(Response)
+	err := c.cc.Invoke(ctx, "/calculator.Forward/ForwardNumbers", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// ForwardServer is the server API for Forward service.
+// All implementations must embed UnimplementedForwardServer
+// for forward compatibility
+type ForwardServer interface {
+	ForwardNumbers(context.Context, *Request) (*Response, error)
+	mustEmbedUnimplementedForwardServer()
+}
+
+// UnimplementedForwardServer must be embedded to have forward compatible implementations.
+type UnimplementedForwardServer struct {
+}
+
+func (UnimplementedForwardServer) ForwardNumbers(context.Context, *Request) (*Response, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ForwardNumbers not implemented")
+}
+func (UnimplementedForwardServer) mustEmbedUnimplementedForwardServer() {}
+
+// UnsafeForwardServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to ForwardServer will
+// result in compilation errors.
+type UnsafeForwardServer interface {
+	mustEmbedUnimplementedForwardServer()
+}
+
+func RegisterForwardServer(s grpc.ServiceRegistrar, srv ForwardServer) {
+	s.RegisterService(&Forward_ServiceDesc, srv)
+}
+
+func _Forward_ForwardNumbers_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Request)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ForwardServer).ForwardNumbers(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/calculator.Forward/ForwardNumbers",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ForwardServer).ForwardNumbers(ctx, req.(*Request))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Forward_ServiceDesc is the grpc.ServiceDesc for Forward service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Forward_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "calculator.Forward",
+	HandlerType: (*ForwardServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "ForwardNumbers",
+			Handler:    _Forward_ForwardNumbers_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "calculator/calculator.proto",
+}
+
+// CalculatorClient is the client API for Calculator 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 CalculatorClient interface {
+	CalculateNumbers(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error)
+}
+
+type calculatorClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewCalculatorClient(cc grpc.ClientConnInterface) CalculatorClient {
+	return &calculatorClient{cc}
+}
+
+func (c *calculatorClient) CalculateNumbers(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error) {
+	out := new(Response)
+	err := c.cc.Invoke(ctx, "/calculator.Calculator/CalculateNumbers", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// CalculatorServer is the server API for Calculator service.
+// All implementations must embed UnimplementedCalculatorServer
+// for forward compatibility
+type CalculatorServer interface {
+	CalculateNumbers(context.Context, *Request) (*Response, error)
+	mustEmbedUnimplementedCalculatorServer()
+}
+
+// UnimplementedCalculatorServer must be embedded to have forward compatible implementations.
+type UnimplementedCalculatorServer struct {
+}
+
+func (UnimplementedCalculatorServer) CalculateNumbers(context.Context, *Request) (*Response, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CalculateNumbers not implemented")
+}
+func (UnimplementedCalculatorServer) mustEmbedUnimplementedCalculatorServer() {}
+
+// UnsafeCalculatorServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to CalculatorServer will
+// result in compilation errors.
+type UnsafeCalculatorServer interface {
+	mustEmbedUnimplementedCalculatorServer()
+}
+
+func RegisterCalculatorServer(s grpc.ServiceRegistrar, srv CalculatorServer) {
+	s.RegisterService(&Calculator_ServiceDesc, srv)
+}
+
+func _Calculator_CalculateNumbers_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Request)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(CalculatorServer).CalculateNumbers(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/calculator.Calculator/CalculateNumbers",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(CalculatorServer).CalculateNumbers(ctx, req.(*Request))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Calculator_ServiceDesc is the grpc.ServiceDesc for Calculator service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Calculator_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "calculator.Calculator",
+	HandlerType: (*CalculatorServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "CalculateNumbers",
+			Handler:    _Calculator_CalculateNumbers_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "calculator/calculator.proto",
+}

GoCalculatorMiddlWare/forward-service.go

+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net"
+
+	pb "calc/calculator"
+	"google.golang.org/grpc"
+)
+
+type CalculatorServer struct {
+	pb.UnimplementedCalculatorServer
+}
+
+func (s *CalculatorServer) CalculateNumbers(ctx context.Context, req *pb.Request) (*pb.Response, error) {
+	fmt.Printf("Received numbers: %d, %d\n", req.Number1, req.Number2)
+	return &pb.Response{
+		Number1: req.Number1,
+		Number2: req.Number2,
+	}, nil
+}
+
+type ForwardServer struct {
+	pb.UnimplementedForwardServer
+}
+
+func (s *ForwardServer) ForwardNumbers(ctx context.Context, req *pb.Request) (*pb.Response, error) {
+	fmt.Printf("Received numbers: %d, %d\n", req.Number1, req.Number2)
+
+	conn, err := grpc.Dial("192.168.184.11:50052", grpc.WithInsecure())
+	if err != nil {
+		log.Fatalf("Failed to connect to Calculator: %v", err)
+	}
+	defer conn.Close()
+
+	client := pb.NewCalculatorClient(conn)
+	calculateReq := &pb.Request{
+		Number1: (req.Number1),
+		Number2: (req.Number2),
+	}
+
+	calculateRes, err := client.CalculateNumbers(context.Background(), calculateReq)
+	if err != nil {
+		log.Fatalf("CalculateNumbers RPC failed: %v", err)
+	}
+
+	return &pb.Response{
+		Number1: calculateRes.Number1,
+		Number2: calculateRes.Number2,
+	}, nil
+}
+
+func main() {
+	fmt.Println("BFDBFDBDB")
+	listenAddr := "localhost:50051" // Address to listen for gRPC requests
+
+	lis, err := net.Listen("tcp", listenAddr)
+	if err != nil {
+		log.Fatalf("Failed to listen: %v", err)
+	}
+
+	fmt.Println("Go Forwarder server listening on", listenAddr)
+
+	s := grpc.NewServer()
+	pb.RegisterCalculatorServer(s, &CalculatorServer{})
+	pb.RegisterForwardServer(s, &ForwardServer{})
+
+	if err := s.Serve(lis); err != nil {
+		log.Fatalf("Failed to serve: %v", err)
+	}
+}

GoCalculatorMiddlWare/go.mod

+module calc
+
+go 1.21.3
+
+require (
+	google.golang.org/grpc v1.59.0
+	google.golang.org/protobuf v1.31.0
+)
+
+require (
+	github.com/golang/protobuf v1.5.3 // indirect
+	golang.org/x/net v0.14.0 // indirect
+	golang.org/x/sys v0.11.0 // indirect
+	golang.org/x/text v0.12.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect
+)

GoCalculatorMiddlWare/go.sum

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+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
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+golang.org/x/net v0.14.0 h1:BONx9s002vGdD9umnlX1Po8vOZmrgH34qlHcD1MfK14=
+golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
+golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
+golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.12.0 h1:k+n5B8goJNdU7hSvEtMUz3d1Q6D/XW4COJSJR6fN0mc=
+golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d h1:uvYuEyMHKNt+lT4K3bN6fGswmK8qSvcreM3BwjDh+y4=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d/go.mod h1:+Bk1OCOj40wS2hwAMA+aCW9ypzm63QTBBHp6lQ3p+9M=
+google.golang.org/grpc v1.59.0 h1:Z5Iec2pjwb+LEOqzpB2MR12/eKFhDPhuqW91O+4bwUk=
+google.golang.org/grpc v1.59.0/go.mod h1:aUPDwccQo6OTjy7Hct4AfBPD1GptF4fyUjIkQ9YtF98=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
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+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=

PythonCalculatorClient/calculator.proto

+syntax = "proto3";
+
+package calculator;
+
+service Forward{
+  rpc ForwardNumbers(Request) returns (Response) {}
+}
+
+service Calculator {
+  rpc CalculateNumbers(Request) returns (Response) {}
+}
+
+message Request {
+  int64 number1 = 1;
+  int64 number2 = 2;
+}
+
+message Response {
+  int64 number1 = 1;
+  int64 number2 = 2;
+}

PythonCalculatorClient/calculator_pb2.py

+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: calculator.proto
+"""Generated protocol buffer code."""
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x10\x63\x61lculator.proto\x12\ncalculator\"+\n\x07Request\x12\x0f\n\x07number1\x18\x01 \x01(\x03\x12\x0f\n\x07number2\x18\x02 \x01(\x03\",\n\x08Response\x12\x0f\n\x07number1\x18\x01 \x01(\x03\x12\x0f\n\x07number2\x18\x02 \x01(\x03\x32H\n\x07\x46orward\x12=\n\x0e\x46orwardNumbers\x12\x13.calculator.Request\x1a\x14.calculator.Response\"\x00\x32M\n\nCalculator\x12?\n\x10\x43\x61lculateNumbers\x12\x13.calculator.Request\x1a\x14.calculator.Response\"\x00\x62\x06proto3')
+
+_globals = globals()
+_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'calculator_pb2', _globals)
+if _descriptor._USE_C_DESCRIPTORS == False:
+  DESCRIPTOR._options = None
+  _globals['_REQUEST']._serialized_start=32
+  _globals['_REQUEST']._serialized_end=75
+  _globals['_RESPONSE']._serialized_start=77
+  _globals['_RESPONSE']._serialized_end=121
+  _globals['_FORWARD']._serialized_start=123
+  _globals['_FORWARD']._serialized_end=195
+  _globals['_CALCULATOR']._serialized_start=197
+  _globals['_CALCULATOR']._serialized_end=274
+# @@protoc_insertion_point(module_scope)

PythonCalculatorClient/calculator_pb2_grpc.py

+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
+import grpc
+
+import calculator_pb2 as calculator__pb2
+
+
+class ForwardStub(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def __init__(self, channel):
+        """Constructor.
+
+        Args:
+            channel: A grpc.Channel.
+        """
+        self.ForwardNumbers = channel.unary_unary(
+                '/calculator.Forward/ForwardNumbers',
+                request_serializer=calculator__pb2.Request.SerializeToString,
+                response_deserializer=calculator__pb2.Response.FromString,
+                )
+
+
+class ForwardServicer(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def ForwardNumbers(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+
+def add_ForwardServicer_to_server(servicer, server):
+    rpc_method_handlers = {
+            'ForwardNumbers': grpc.unary_unary_rpc_method_handler(
+                    servicer.ForwardNumbers,
+                    request_deserializer=calculator__pb2.Request.FromString,
+                    response_serializer=calculator__pb2.Response.SerializeToString,
+            ),
+    }
+    generic_handler = grpc.method_handlers_generic_handler(
+            'calculator.Forward', rpc_method_handlers)
+    server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class Forward(object):
+    """Missing associated documentation comment in .proto file."""
+
+    @staticmethod
+    def ForwardNumbers(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/calculator.Forward/ForwardNumbers',
+            calculator__pb2.Request.SerializeToString,
+            calculator__pb2.Response.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+
+class CalculatorStub(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def __init__(self, channel):
+        """Constructor.
+
+        Args:
+            channel: A grpc.Channel.
+        """
+        self.CalculateNumbers = channel.unary_unary(
+                '/calculator.Calculator/CalculateNumbers',
+                request_serializer=calculator__pb2.Request.SerializeToString,
+                response_deserializer=calculator__pb2.Response.FromString,
+                )
+
+
+class CalculatorServicer(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def CalculateNumbers(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+
+def add_CalculatorServicer_to_server(servicer, server):
+    rpc_method_handlers = {
+            'CalculateNumbers': grpc.unary_unary_rpc_method_handler(
+                    servicer.CalculateNumbers,
+                    request_deserializer=calculator__pb2.Request.FromString,
+                    response_serializer=calculator__pb2.Response.SerializeToString,
+            ),
+    }
+    generic_handler = grpc.method_handlers_generic_handler(
+            'calculator.Calculator', rpc_method_handlers)
+    server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class Calculator(object):
+    """Missing associated documentation comment in .proto file."""
+
+    @staticmethod
+    def CalculateNumbers(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/calculator.Calculator/CalculateNumbers',
+            calculator__pb2.Request.SerializeToString,
+            calculator__pb2.Response.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)

PythonCalculatorClient/client-calc.py

+import grpc
+
+from calculator_pb2 import Request
+from calculator_pb2_grpc import ForwardStub
+
+def run():
+    channel = grpc.insecure_channel('localhost:50051')
+    stub = ForwardStub(channel)
+
+    number1 = int(input("Enter number 1: "))
+    number2 = int(input("Enter number 2: "))
+
+    request = Request(number1=number1, number2=number2)
+    response = stub.ForwardNumbers(request)
+
+    print("Sum:", response.number1)
+    print("Product:", response.number2)
+
+if __name__ == '__main__':
+    while True:run()

PythonCalculatorServer/calculator.proto

+syntax = "proto3";
+
+package calculator;
+
+service Forward{
+  rpc ForwardNumbers(Request) returns (Response) {}
+}
+
+service Calculator {
+  rpc CalculateNumbers(Request) returns (Response) {}
+}
+
+message Request {
+  int64 number1 = 1;
+  int64 number2 = 2;
+}
+
+message Response {
+  int64 number1 = 1;
+  int64 number2 = 2;
+}

PythonCalculatorServer/calculator_pb2.py

+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: calculator.proto
+"""Generated protocol buffer code."""
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x10\x63\x61lculator.proto\x12\ncalculator\"+\n\x07Request\x12\x0f\n\x07number1\x18\x01 \x01(\x03\x12\x0f\n\x07number2\x18\x02 \x01(\x03\",\n\x08Response\x12\x0f\n\x07number1\x18\x01 \x01(\x03\x12\x0f\n\x07number2\x18\x02 \x01(\x03\x32H\n\x07\x46orward\x12=\n\x0e\x46orwardNumbers\x12\x13.calculator.Request\x1a\x14.calculator.Response\"\x00\x32M\n\nCalculator\x12?\n\x10\x43\x61lculateNumbers\x12\x13.calculator.Request\x1a\x14.calculator.Response\"\x00\x62\x06proto3')
+
+_globals = globals()
+_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'calculator_pb2', _globals)
+if _descriptor._USE_C_DESCRIPTORS == False:
+  DESCRIPTOR._options = None
+  _globals['_REQUEST']._serialized_start=32
+  _globals['_REQUEST']._serialized_end=75
+  _globals['_RESPONSE']._serialized_start=77
+  _globals['_RESPONSE']._serialized_end=121
+  _globals['_FORWARD']._serialized_start=123
+  _globals['_FORWARD']._serialized_end=195
+  _globals['_CALCULATOR']._serialized_start=197
+  _globals['_CALCULATOR']._serialized_end=274
+# @@protoc_insertion_point(module_scope)

PythonCalculatorServer/calculator_pb2_grpc.py

+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
+import grpc
+
+import calculator_pb2 as calculator__pb2
+
+
+class ForwardStub(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def __init__(self, channel):
+        """Constructor.
+
+        Args:
+            channel: A grpc.Channel.
+        """
+        self.ForwardNumbers = channel.unary_unary(
+                '/calculator.Forward/ForwardNumbers',
+                request_serializer=calculator__pb2.Request.SerializeToString,
+                response_deserializer=calculator__pb2.Response.FromString,
+                )
+
+
+class ForwardServicer(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def ForwardNumbers(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+
+def add_ForwardServicer_to_server(servicer, server):
+    rpc_method_handlers = {
+            'ForwardNumbers': grpc.unary_unary_rpc_method_handler(
+                    servicer.ForwardNumbers,
+                    request_deserializer=calculator__pb2.Request.FromString,
+                    response_serializer=calculator__pb2.Response.SerializeToString,
+            ),
+    }
+    generic_handler = grpc.method_handlers_generic_handler(
+            'calculator.Forward', rpc_method_handlers)
+    server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class Forward(object):
+    """Missing associated documentation comment in .proto file."""
+
+    @staticmethod
+    def ForwardNumbers(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/calculator.Forward/ForwardNumbers',
+            calculator__pb2.Request.SerializeToString,
+            calculator__pb2.Response.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+
+class CalculatorStub(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def __init__(self, channel):
+        """Constructor.
+
+        Args:
+            channel: A grpc.Channel.
+        """
+        self.CalculateNumbers = channel.unary_unary(
+                '/calculator.Calculator/CalculateNumbers',
+                request_serializer=calculator__pb2.Request.SerializeToString,
+                response_deserializer=calculator__pb2.Response.FromString,
+                )
+
+
+class CalculatorServicer(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def CalculateNumbers(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+
+def add_CalculatorServicer_to_server(servicer, server):
+    rpc_method_handlers = {
+            'CalculateNumbers': grpc.unary_unary_rpc_method_handler(
+                    servicer.CalculateNumbers,
+                    request_deserializer=calculator__pb2.Request.FromString,
+                    response_serializer=calculator__pb2.Response.SerializeToString,
+            ),
+    }
+    generic_handler = grpc.method_handlers_generic_handler(
+            'calculator.Calculator', rpc_method_handlers)
+    server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class Calculator(object):
+    """Missing associated documentation comment in .proto file."""
+
+    @staticmethod
+    def CalculateNumbers(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/calculator.Calculator/CalculateNumbers',
+            calculator__pb2.Request.SerializeToString,
+            calculator__pb2.Response.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)

PythonCalculatorServer/server-calc.py

+from concurrent import futures
+import grpc
+
+from calculator_pb2 import Request, Response
+from calculator_pb2_grpc import CalculatorServicer, add_CalculatorServicer_to_server
+
+class CalculatorServicer(CalculatorServicer):
+    def CalculateNumbers(self, request, context):
+        number1 = request.number1
+        number2 = request.number2
+        print("Numbers Recieved from GO Service")
+        print("N1 =", number1)
+        print("N2 =", number2)
+        sum = number1 + number2
+        product = number1 * number2
+
+        return Response(number1=sum, number2=product)
+
+def serve():
+    server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
+    add_CalculatorServicer_to_server(CalculatorServicer(), server)
+    server.add_insecure_port('[::]:50052')
+    server.start()
+    server.wait_for_termination()
+
+if __name__ == '__main__':
+    serve()