Rpc in go

source-code/tasks.c

@@ -5,7 +5,7 @@ float get_average_rand(float values[]){
 }
 @ModuleName("Tattitto")
 @TaskCloud
-@Libdeps("math.h")
+@LibDeps("math.h")
 int is_even(int number){
     if(number%2==0)return 1;
     else return 0;

src/rpc_go/Dockerfile

@@ -0,0 +1,8 @@
+# Running as native wasm runtime
+FROM scratch
+
+COPY ./build/server.wasm .
+
+EXPOSE 8080
+
+CMD ["./server.wasm"]

src/rpc_go/Makefile

@@ -0,0 +1,8 @@
+container_build: go_build
+	docker build --platform wasi/wasm -t rpc-go-wasm .
+
+go_build: generate
+	GOOS=wasip1 GOARCH=wasm go build -o build/server.wasm server/main.go 
+
+generate:
+	protoc --proto_path=proto proto/*.proto --go_out=. --go-grpc_out=.

src/rpc_go/go.mod

@@ -0,0 +1,15 @@
+module thesis/rpc_go
+
+go 1.23.2
+
+require (
+	google.golang.org/grpc v1.67.1
+	google.golang.org/protobuf v1.35.1
+)
+
+require (
+	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
+)

src/rpc_go/go.sum

@@ -0,0 +1,14 @@
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+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 v0.24.0 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 v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA=
+google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=

src/rpc_go/pb/test.pb.go

@@ -0,0 +1,180 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.35.1
+// 	protoc        v3.12.4
+// source: test.proto
+
+package pb
+
+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 TestRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *TestRequest) Reset() {
+	*x = TestRequest{}
+	mi := &file_test_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *TestRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TestRequest) ProtoMessage() {}
+
+func (x *TestRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_test_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 TestRequest.ProtoReflect.Descriptor instead.
+func (*TestRequest) Descriptor() ([]byte, []int) {
+	return file_test_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *TestRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+type TestResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Message string `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
+}
+
+func (x *TestResponse) Reset() {
+	*x = TestResponse{}
+	mi := &file_test_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *TestResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TestResponse) ProtoMessage() {}
+
+func (x *TestResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_test_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 TestResponse.ProtoReflect.Descriptor instead.
+func (*TestResponse) Descriptor() ([]byte, []int) {
+	return file_test_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *TestResponse) GetMessage() string {
+	if x != nil {
+		return x.Message
+	}
+	return ""
+}
+
+var File_test_proto protoreflect.FileDescriptor
+
+var file_test_proto_rawDesc = []byte{
+	0x0a, 0x0a, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x04, 0x74, 0x65,
+	0x73, 0x74, 0x22, 0x21, 0x0a, 0x0b, 0x54, 0x65, 0x73, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73,
+	0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x04, 0x6e, 0x61, 0x6d, 0x65, 0x22, 0x28, 0x0a, 0x0c, 0x54, 0x65, 0x73, 0x74, 0x52, 0x65, 0x73,
+	0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x32,
+	0x44, 0x0a, 0x0b, 0x54, 0x65, 0x73, 0x74, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x35,
+	0x0a, 0x0a, 0x54, 0x65, 0x73, 0x74, 0x4d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x12, 0x11, 0x2e, 0x74,
+	0x65, 0x73, 0x74, 0x2e, 0x54, 0x65, 0x73, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a,
+	0x12, 0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x54, 0x65, 0x73, 0x74, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x06, 0x5a, 0x04, 0x2e, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_test_proto_rawDescOnce sync.Once
+	file_test_proto_rawDescData = file_test_proto_rawDesc
+)
+
+func file_test_proto_rawDescGZIP() []byte {
+	file_test_proto_rawDescOnce.Do(func() {
+		file_test_proto_rawDescData = protoimpl.X.CompressGZIP(file_test_proto_rawDescData)
+	})
+	return file_test_proto_rawDescData
+}
+
+var file_test_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_test_proto_goTypes = []any{
+	(*TestRequest)(nil),  // 0: test.TestRequest
+	(*TestResponse)(nil), // 1: test.TestResponse
+}
+var file_test_proto_depIdxs = []int32{
+	0, // 0: test.TestService.TestMethod:input_type -> test.TestRequest
+	1, // 1: test.TestService.TestMethod:output_type -> test.TestResponse
+	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_test_proto_init() }
+func file_test_proto_init() {
+	if File_test_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_test_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_test_proto_goTypes,
+		DependencyIndexes: file_test_proto_depIdxs,
+		MessageInfos:      file_test_proto_msgTypes,
+	}.Build()
+	File_test_proto = out.File
+	file_test_proto_rawDesc = nil
+	file_test_proto_goTypes = nil
+	file_test_proto_depIdxs = nil
+}

src/rpc_go/pb/test_grpc.pb.go

@@ -0,0 +1,121 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.5.1
+// - protoc             v3.12.4
+// source: test.proto
+
+package pb
+
+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 (
+	TestService_TestMethod_FullMethodName = "/test.TestService/TestMethod"
+)
+
+// TestServiceClient is the client API for TestService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type TestServiceClient interface {
+	TestMethod(ctx context.Context, in *TestRequest, opts ...grpc.CallOption) (*TestResponse, error)
+}
+
+type testServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewTestServiceClient(cc grpc.ClientConnInterface) TestServiceClient {
+	return &testServiceClient{cc}
+}
+
+func (c *testServiceClient) TestMethod(ctx context.Context, in *TestRequest, opts ...grpc.CallOption) (*TestResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(TestResponse)
+	err := c.cc.Invoke(ctx, TestService_TestMethod_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// TestServiceServer is the server API for TestService service.
+// All implementations must embed UnimplementedTestServiceServer
+// for forward compatibility.
+type TestServiceServer interface {
+	TestMethod(context.Context, *TestRequest) (*TestResponse, error)
+	mustEmbedUnimplementedTestServiceServer()
+}
+
+// UnimplementedTestServiceServer 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 UnimplementedTestServiceServer struct{}
+
+func (UnimplementedTestServiceServer) TestMethod(context.Context, *TestRequest) (*TestResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method TestMethod not implemented")
+}
+func (UnimplementedTestServiceServer) mustEmbedUnimplementedTestServiceServer() {}
+func (UnimplementedTestServiceServer) testEmbeddedByValue()                     {}
+
+// UnsafeTestServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to TestServiceServer will
+// result in compilation errors.
+type UnsafeTestServiceServer interface {
+	mustEmbedUnimplementedTestServiceServer()
+}
+
+func RegisterTestServiceServer(s grpc.ServiceRegistrar, srv TestServiceServer) {
+	// If the following call pancis, it indicates UnimplementedTestServiceServer 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(&TestService_ServiceDesc, srv)
+}
+
+func _TestService_TestMethod_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(TestRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(TestServiceServer).TestMethod(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: TestService_TestMethod_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(TestServiceServer).TestMethod(ctx, req.(*TestRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// TestService_ServiceDesc is the grpc.ServiceDesc for TestService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var TestService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "test.TestService",
+	HandlerType: (*TestServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "TestMethod",
+			Handler:    _TestService_TestMethod_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "test.proto",
+}

src/rpc_go/proto/test.proto

@@ -0,0 +1,17 @@
+syntax = "proto3";
+
+package test;
+
+option go_package = "./pb";
+
+service TestService {
+    rpc TestMethod (TestRequest) returns (TestResponse) {}
+}
+
+message TestRequest {
+    string name = 1;
+}
+
+message TestResponse {
+    string message = 1;
+}

src/rpc_go/readme.md

@@ -0,0 +1,8 @@
+## Appunti
+
+Tinygo per compilare go files in wasi. Non è possibile utilizzarlo con Grpc perché non supporta la libreria "net/http"
+
+docker build --platform wasi/wasm -t rpc-go-wasm .
+docker run --runtime=io.containerd.wasmedge.v1 --platform=wasi/wasm rpc-go-wasm
+
+Provato anche con wasip2, tuttora non supporta l'apertura di socket

src/rpc_go/server/main.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"context"
+	"log"
+	"net"
+	"thesis/rpc_go/pb"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/reflection"
+)
+
+type server struct {
+	pb.UnimplementedTestServiceServer
+}
+
+func (s *server) TestMethod(
+	ctx context.Context, in *pb.TestRequest,
+	)(
+	*pb.TestResponse, error,
+	){
+
+		return &pb.TestResponse{
+			Message: "Hello " + in.Name,
+		}, nil
+
+}
+
+
+func main() {
+
+	listener, err := net.Listen("tcp", ":8080")
+
+	if err != nil {
+		log.Fatalln("Failed to create listener: ", err)
+	}
+
+	s := grpc.NewServer()
+	reflection.Register(s)
+
+	pb.RegisterTestServiceServer(s, &server{})
+
+	if err := s.Serve(listener); err != nil {
+		log.Fatalln("Failed to serve: ", err)
+	}
+	
+}