Added basic keygen grpc server

This commit is contained in:
Divyam Ahuja 2024-10-23 07:53:08 +05:30
parent a009c54f65
commit 6f3da69252
9 changed files with 408 additions and 23 deletions

169
api/keygen/keygen.pb.go Normal file
View file

@ -0,0 +1,169 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.35.1
// protoc v5.28.2
// source: keygen.proto
package keygen
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 Empty struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *Empty) Reset() {
*x = Empty{}
mi := &file_keygen_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *Empty) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Empty) ProtoMessage() {}
func (x *Empty) ProtoReflect() protoreflect.Message {
mi := &file_keygen_proto_msgTypes[0]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Empty.ProtoReflect.Descriptor instead.
func (*Empty) Descriptor() ([]byte, []int) {
return file_keygen_proto_rawDescGZIP(), []int{0}
}
type Key struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Value string `protobuf:"bytes,1,opt,name=value,proto3" json:"value,omitempty"`
}
func (x *Key) Reset() {
*x = Key{}
mi := &file_keygen_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *Key) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Key) ProtoMessage() {}
func (x *Key) ProtoReflect() protoreflect.Message {
mi := &file_keygen_proto_msgTypes[1]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Key.ProtoReflect.Descriptor instead.
func (*Key) Descriptor() ([]byte, []int) {
return file_keygen_proto_rawDescGZIP(), []int{1}
}
func (x *Key) GetValue() string {
if x != nil {
return x.Value
}
return ""
}
var File_keygen_proto protoreflect.FileDescriptor
var file_keygen_proto_rawDesc = []byte{
0x0a, 0x0c, 0x6b, 0x65, 0x79, 0x67, 0x65, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06,
0x6b, 0x65, 0x79, 0x67, 0x65, 0x6e, 0x22, 0x07, 0x0a, 0x05, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x22,
0x1b, 0x0a, 0x03, 0x4b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18,
0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x32, 0x35, 0x0a, 0x06,
0x4b, 0x65, 0x79, 0x67, 0x65, 0x6e, 0x12, 0x2b, 0x0a, 0x0b, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61,
0x74, 0x65, 0x4b, 0x65, 0x79, 0x12, 0x0d, 0x2e, 0x6b, 0x65, 0x79, 0x67, 0x65, 0x6e, 0x2e, 0x45,
0x6d, 0x70, 0x74, 0x79, 0x1a, 0x0b, 0x2e, 0x6b, 0x65, 0x79, 0x67, 0x65, 0x6e, 0x2e, 0x4b, 0x65,
0x79, 0x22, 0x00, 0x42, 0x19, 0x5a, 0x17, 0x66, 0x61, 0x73, 0x74, 0x62, 0x69, 0x6e, 0x2f, 0x69,
0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x6b, 0x65, 0x79, 0x67, 0x65, 0x6e, 0x62, 0x06,
0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
file_keygen_proto_rawDescOnce sync.Once
file_keygen_proto_rawDescData = file_keygen_proto_rawDesc
)
func file_keygen_proto_rawDescGZIP() []byte {
file_keygen_proto_rawDescOnce.Do(func() {
file_keygen_proto_rawDescData = protoimpl.X.CompressGZIP(file_keygen_proto_rawDescData)
})
return file_keygen_proto_rawDescData
}
var file_keygen_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_keygen_proto_goTypes = []any{
(*Empty)(nil), // 0: keygen.Empty
(*Key)(nil), // 1: keygen.Key
}
var file_keygen_proto_depIdxs = []int32{
0, // 0: keygen.Keygen.GenerateKey:input_type -> keygen.Empty
1, // 1: keygen.Keygen.GenerateKey:output_type -> keygen.Key
1, // [1:2] is the sub-list for method output_type
0, // [0:1] 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_keygen_proto_init() }
func file_keygen_proto_init() {
if File_keygen_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_keygen_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_keygen_proto_goTypes,
DependencyIndexes: file_keygen_proto_depIdxs,
MessageInfos: file_keygen_proto_msgTypes,
}.Build()
File_keygen_proto = out.File
file_keygen_proto_rawDesc = nil
file_keygen_proto_goTypes = nil
file_keygen_proto_depIdxs = nil
}

15
api/keygen/keygen.proto Normal file
View file

@ -0,0 +1,15 @@
syntax = "proto3";
option go_package = "fastbin/internal/keygen";
package keygen;
service Keygen {
rpc GenerateKey(Empty) returns (Key) {}
}
message Empty {}
message Key {
string value = 1;
}

View file

@ -0,0 +1,121 @@
// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
// versions:
// - protoc-gen-go-grpc v1.5.1
// - protoc v5.28.2
// source: keygen.proto
package keygen
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 v1.64.0 or later.
const _ = grpc.SupportPackageIsVersion9
const (
Keygen_GenerateKey_FullMethodName = "/keygen.Keygen/GenerateKey"
)
// KeygenClient is the client API for Keygen 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 KeygenClient interface {
GenerateKey(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*Key, error)
}
type keygenClient struct {
cc grpc.ClientConnInterface
}
func NewKeygenClient(cc grpc.ClientConnInterface) KeygenClient {
return &keygenClient{cc}
}
func (c *keygenClient) GenerateKey(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*Key, error) {
cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
out := new(Key)
err := c.cc.Invoke(ctx, Keygen_GenerateKey_FullMethodName, in, out, cOpts...)
if err != nil {
return nil, err
}
return out, nil
}
// KeygenServer is the server API for Keygen service.
// All implementations must embed UnimplementedKeygenServer
// for forward compatibility.
type KeygenServer interface {
GenerateKey(context.Context, *Empty) (*Key, error)
mustEmbedUnimplementedKeygenServer()
}
// UnimplementedKeygenServer must be embedded to have
// forward compatible implementations.
//
// NOTE: this should be embedded by value instead of pointer to avoid a nil
// pointer dereference when methods are called.
type UnimplementedKeygenServer struct{}
func (UnimplementedKeygenServer) GenerateKey(context.Context, *Empty) (*Key, error) {
return nil, status.Errorf(codes.Unimplemented, "method GenerateKey not implemented")
}
func (UnimplementedKeygenServer) mustEmbedUnimplementedKeygenServer() {}
func (UnimplementedKeygenServer) testEmbeddedByValue() {}
// UnsafeKeygenServer may be embedded to opt out of forward compatibility for this service.
// Use of this interface is not recommended, as added methods to KeygenServer will
// result in compilation errors.
type UnsafeKeygenServer interface {
mustEmbedUnimplementedKeygenServer()
}
func RegisterKeygenServer(s grpc.ServiceRegistrar, srv KeygenServer) {
// If the following call pancis, it indicates UnimplementedKeygenServer was
// embedded by pointer and is nil. This will cause panics if an
// unimplemented method is ever invoked, so we test this at initialization
// time to prevent it from happening at runtime later due to I/O.
if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
t.testEmbeddedByValue()
}
s.RegisterService(&Keygen_ServiceDesc, srv)
}
func _Keygen_GenerateKey_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.(KeygenServer).GenerateKey(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: Keygen_GenerateKey_FullMethodName,
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(KeygenServer).GenerateKey(ctx, req.(*Empty))
}
return interceptor(ctx, in, info, handler)
}
// Keygen_ServiceDesc is the grpc.ServiceDesc for Keygen service.
// It's only intended for direct use with grpc.RegisterService,
// and not to be introspected or modified (even as a copy)
var Keygen_ServiceDesc = grpc.ServiceDesc{
ServiceName: "keygen.Keygen",
HandlerType: (*KeygenServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "GenerateKey",
Handler: _Keygen_GenerateKey_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "keygen.proto",
}

View file

@ -7,7 +7,8 @@ import (
)
func main() {
server := apiserver.NewAPIServer(8080)
port := 8080
server := apiserver.NewAPIServer(port)
err := server.ListenAndServe()
if err != nil && err != http.ErrServerClosed {
panic(fmt.Sprintf("http server error: %s", err))

20
cmd/keygen/main.go Normal file
View file

@ -0,0 +1,20 @@
package main
import (
keygen "fastbin/internal/keygen"
"fmt"
"log"
"net"
)
func main() {
port := 8081
lis, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
err = keygen.NewKeygenServer().Serve(lis)
if err != nil {
log.Fatalf("grpc server error: %v", err)
}
}

16
go.mod
View file

@ -2,7 +2,11 @@ module fastbin
go 1.23.2
require github.com/gin-gonic/gin v1.10.0
require (
github.com/gin-gonic/gin v1.10.0
google.golang.org/grpc v1.67.1
google.golang.org/protobuf v1.34.2
)
require (
github.com/bytedance/sonic v1.11.6 // indirect
@ -25,10 +29,10 @@ require (
github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
github.com/ugorji/go/codec v1.2.12 // indirect
golang.org/x/arch v0.8.0 // indirect
golang.org/x/crypto v0.23.0 // indirect
golang.org/x/net v0.25.0 // indirect
golang.org/x/sys v0.20.0 // indirect
golang.org/x/text v0.15.0 // indirect
google.golang.org/protobuf v1.34.1 // indirect
golang.org/x/crypto v0.26.0 // indirect
golang.org/x/net v0.28.0 // indirect
golang.org/x/sys v0.24.0 // indirect
golang.org/x/text v0.17.0 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

30
go.sum
View file

@ -25,8 +25,8 @@ github.com/go-playground/validator/v10 v10.20.0 h1:K9ISHbSaI0lyB2eWMPJo+kOS/FBEx
github.com/go-playground/validator/v10 v10.20.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
@ -66,20 +66,22 @@ github.com/ugorji/go/codec v1.2.12/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZ
golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
golang.org/x/arch v0.8.0 h1:3wRIsP3pM4yUptoR96otTUOXI367OS0+c9eeRi9doIc=
golang.org/x/arch v0.8.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys=
golang.org/x/crypto v0.23.0 h1:dIJU/v2J8Mdglj/8rJ6UUOM3Zc9zLZxVZwwxMooUSAI=
golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac=
golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw=
golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54=
golang.org/x/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE=
golang.org/x/net v0.28.0/go.mod h1:yqtgsTWOOnlGLG9GFRrK3++bGOUEkNBoHZc8MEDWPNg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/text v0.15.0 h1:h1V/4gjBv8v9cjcR6+AR5+/cIYK5N/WAgiv4xlsEtAk=
golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg=
golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 h1:e7S5W7MGGLaSu8j3YjdezkZ+m1/Nm0uRVRMEMGk26Xs=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

View file

@ -1,10 +1,17 @@
package apiserver
import (
"context"
"fmt"
"log"
"net/http"
"time"
pb "fastbin/api/keygen"
"github.com/gin-gonic/gin"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
)
func NewAPIServer(port int) *http.Server {
@ -19,8 +26,24 @@ func NewAPIServer(port int) *http.Server {
return server
}
func hello_world(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{
func hello_world(gc *gin.Context) {
grpcServerURL := "localhost:8081"
conn, err := grpc.NewClient(grpcServerURL, grpc.WithTransportCredentials(insecure.NewCredentials()))
if err != nil {
log.Fatalf("did not connect: %v", err)
}
defer conn.Close()
c := pb.NewKeygenClient(conn)
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
r, err := c.GenerateKey(ctx, &pb.Empty{})
if err != nil {
log.Fatalf("could not greet: %v", err)
}
gc.JSON(http.StatusOK, gin.H{
"message": "Hello, World",
"key": r.Value,
})
}

30
internal/keygen/server.go Normal file
View file

@ -0,0 +1,30 @@
package keygen
import (
context "context"
"math/rand"
pb "fastbin/api/keygen"
"google.golang.org/grpc"
)
type keygenServer struct {
pb.UnimplementedKeygenServer
}
func (k *keygenServer) GenerateKey(ctx context.Context, req *pb.Empty) (*pb.Key, error) {
b := make([]byte, 6)
for i := range b {
b[i] = 'a' + byte(rand.Intn(26))
}
key := pb.Key{Value: string(b)}
return &key, nil
}
func NewKeygenServer() *grpc.Server {
grpcSever := grpc.NewServer()
pb.RegisterKeygenServer(grpcSever, &keygenServer{})
return grpcSever
}