initial commit

servers/grpc/proto/geojson.pb.go

@@ -0,0 +1,208 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.1
+// 	protoc        v4.24.4
+// source: geojson.proto
+
+package proto
+
+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 FeatureCollection struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Serialized string `protobuf:"bytes,1,opt,name=serialized,proto3" json:"serialized,omitempty"`
+}
+
+func (x *FeatureCollection) Reset() {
+	*x = FeatureCollection{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_geojson_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FeatureCollection) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FeatureCollection) ProtoMessage() {}
+
+func (x *FeatureCollection) ProtoReflect() protoreflect.Message {
+	mi := &file_geojson_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 FeatureCollection.ProtoReflect.Descriptor instead.
+func (*FeatureCollection) Descriptor() ([]byte, []int) {
+	return file_geojson_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *FeatureCollection) GetSerialized() string {
+	if x != nil {
+		return x.Serialized
+	}
+	return ""
+}
+
+type Feature struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Serialized string `protobuf:"bytes,1,opt,name=serialized,proto3" json:"serialized,omitempty"`
+}
+
+func (x *Feature) Reset() {
+	*x = Feature{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_geojson_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Feature) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Feature) ProtoMessage() {}
+
+func (x *Feature) ProtoReflect() protoreflect.Message {
+	mi := &file_geojson_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 Feature.ProtoReflect.Descriptor instead.
+func (*Feature) Descriptor() ([]byte, []int) {
+	return file_geojson_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *Feature) GetSerialized() string {
+	if x != nil {
+		return x.Serialized
+	}
+	return ""
+}
+
+var File_geojson_proto protoreflect.FileDescriptor
+
+var file_geojson_proto_rawDesc = []byte{
+	0x0a, 0x0d, 0x67, 0x65, 0x6f, 0x6a, 0x73, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22,
+	0x33, 0x0a, 0x11, 0x46, 0x65, 0x61, 0x74, 0x75, 0x72, 0x65, 0x43, 0x6f, 0x6c, 0x6c, 0x65, 0x63,
+	0x74, 0x69, 0x6f, 0x6e, 0x12, 0x1e, 0x0a, 0x0a, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x69, 0x7a,
+	0x65, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c,
+	0x69, 0x7a, 0x65, 0x64, 0x22, 0x29, 0x0a, 0x07, 0x46, 0x65, 0x61, 0x74, 0x75, 0x72, 0x65, 0x12,
+	0x1e, 0x0a, 0x0a, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x69, 0x7a, 0x65, 0x64, 0x18, 0x01, 0x20,
+	0x01, 0x28, 0x09, 0x52, 0x0a, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x69, 0x7a, 0x65, 0x64, 0x42,
+	0x45, 0x5a, 0x43, 0x67, 0x69, 0x74, 0x2e, 0x63, 0x6f, 0x6f, 0x70, 0x67, 0x6f, 0x2e, 0x69, 0x6f,
+	0x2f, 0x63, 0x6f, 0x6f, 0x70, 0x67, 0x6f, 0x2d, 0x70, 0x6c, 0x61, 0x74, 0x66, 0x6f, 0x72, 0x6d,
+	0x2f, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x6d, 0x6f, 0x64, 0x61, 0x6c, 0x2d, 0x72, 0x6f, 0x75, 0x74,
+	0x69, 0x6e, 0x67, 0x2f, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x73, 0x2f, 0x67, 0x72, 0x70, 0x63,
+	0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_geojson_proto_rawDescOnce sync.Once
+	file_geojson_proto_rawDescData = file_geojson_proto_rawDesc
+)
+
+func file_geojson_proto_rawDescGZIP() []byte {
+	file_geojson_proto_rawDescOnce.Do(func() {
+		file_geojson_proto_rawDescData = protoimpl.X.CompressGZIP(file_geojson_proto_rawDescData)
+	})
+	return file_geojson_proto_rawDescData
+}
+
+var file_geojson_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_geojson_proto_goTypes = []interface{}{
+	(*FeatureCollection)(nil), // 0: FeatureCollection
+	(*Feature)(nil),           // 1: Feature
+}
+var file_geojson_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] 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_geojson_proto_init() }
+func file_geojson_proto_init() {
+	if File_geojson_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_geojson_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*FeatureCollection); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_geojson_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Feature); 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_geojson_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_geojson_proto_goTypes,
+		DependencyIndexes: file_geojson_proto_depIdxs,
+		MessageInfos:      file_geojson_proto_msgTypes,
+	}.Build()
+	File_geojson_proto = out.File
+	file_geojson_proto_rawDesc = nil
+	file_geojson_proto_goTypes = nil
+	file_geojson_proto_depIdxs = nil
+}

servers/grpc/proto/geojson.proto

@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+option go_package = "git.coopgo.io/coopgo-platform/multimodal-routing/servers/grpc/proto";
+
+// import "google/protobuf/timestamp.proto";
+
+message FeatureCollection {
+  string serialized = 1;
+  }
+
+message Feature {
+    string serialized = 1;
+  }

servers/grpc/proto/multimodal-routing.pb.go

@@ -0,0 +1,264 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.1
+// 	protoc        v4.24.4
+// source: multimodal-routing.proto
+
+package proto
+
+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 SearchRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Departure     *Feature               `protobuf:"bytes,1,opt,name=departure,proto3" json:"departure,omitempty"`
+	Destination   *Feature               `protobuf:"bytes,2,opt,name=destination,proto3" json:"destination,omitempty"`
+	DepartureDate *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=departure_date,json=departureDate,proto3" json:"departure_date,omitempty"`
+	TimeDelta     *int64                 `protobuf:"varint,4,opt,name=time_delta,json=timeDelta,proto3,oneof" json:"time_delta,omitempty"`
+}
+
+func (x *SearchRequest) Reset() {
+	*x = SearchRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_multimodal_routing_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SearchRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SearchRequest) ProtoMessage() {}
+
+func (x *SearchRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_multimodal_routing_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 SearchRequest.ProtoReflect.Descriptor instead.
+func (*SearchRequest) Descriptor() ([]byte, []int) {
+	return file_multimodal_routing_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *SearchRequest) GetDeparture() *Feature {
+	if x != nil {
+		return x.Departure
+	}
+	return nil
+}
+
+func (x *SearchRequest) GetDestination() *Feature {
+	if x != nil {
+		return x.Destination
+	}
+	return nil
+}
+
+func (x *SearchRequest) GetDepartureDate() *timestamppb.Timestamp {
+	if x != nil {
+		return x.DepartureDate
+	}
+	return nil
+}
+
+func (x *SearchRequest) GetTimeDelta() int64 {
+	if x != nil && x.TimeDelta != nil {
+		return *x.TimeDelta
+	}
+	return 0
+}
+
+type SearchResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Results []*FeatureCollection `protobuf:"bytes,1,rep,name=results,proto3" json:"results,omitempty"`
+}
+
+func (x *SearchResponse) Reset() {
+	*x = SearchResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_multimodal_routing_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SearchResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SearchResponse) ProtoMessage() {}
+
+func (x *SearchResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_multimodal_routing_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 SearchResponse.ProtoReflect.Descriptor instead.
+func (*SearchResponse) Descriptor() ([]byte, []int) {
+	return file_multimodal_routing_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *SearchResponse) GetResults() []*FeatureCollection {
+	if x != nil {
+		return x.Results
+	}
+	return nil
+}
+
+var File_multimodal_routing_proto protoreflect.FileDescriptor
+
+var file_multimodal_routing_proto_rawDesc = []byte{
+	0x0a, 0x18, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x6d, 0x6f, 0x64, 0x61, 0x6c, 0x2d, 0x72, 0x6f, 0x75,
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+	0x63, 0x6f, 0x6f, 0x70, 0x67, 0x6f, 0x2e, 0x69, 0x6f, 0x2f, 0x63, 0x6f, 0x6f, 0x70, 0x67, 0x6f,
+	0x2d, 0x70, 0x6c, 0x61, 0x74, 0x66, 0x6f, 0x72, 0x6d, 0x2f, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x6d,
+	0x6f, 0x64, 0x61, 0x6c, 0x2d, 0x72, 0x6f, 0x75, 0x74, 0x69, 0x6e, 0x67, 0x2f, 0x73, 0x65, 0x72,
+	0x76, 0x65, 0x72, 0x73, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_multimodal_routing_proto_rawDescOnce sync.Once
+	file_multimodal_routing_proto_rawDescData = file_multimodal_routing_proto_rawDesc
+)
+
+func file_multimodal_routing_proto_rawDescGZIP() []byte {
+	file_multimodal_routing_proto_rawDescOnce.Do(func() {
+		file_multimodal_routing_proto_rawDescData = protoimpl.X.CompressGZIP(file_multimodal_routing_proto_rawDescData)
+	})
+	return file_multimodal_routing_proto_rawDescData
+}
+
+var file_multimodal_routing_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_multimodal_routing_proto_goTypes = []interface{}{
+	(*SearchRequest)(nil),         // 0: SearchRequest
+	(*SearchResponse)(nil),        // 1: SearchResponse
+	(*Feature)(nil),               // 2: Feature
+	(*timestamppb.Timestamp)(nil), // 3: google.protobuf.Timestamp
+	(*FeatureCollection)(nil),     // 4: FeatureCollection
+}
+var file_multimodal_routing_proto_depIdxs = []int32{
+	2, // 0: SearchRequest.departure:type_name -> Feature
+	2, // 1: SearchRequest.destination:type_name -> Feature
+	3, // 2: SearchRequest.departure_date:type_name -> google.protobuf.Timestamp
+	4, // 3: SearchResponse.results:type_name -> FeatureCollection
+	0, // 4: MultimodalRouting.Search:input_type -> SearchRequest
+	1, // 5: MultimodalRouting.Search:output_type -> SearchResponse
+	5, // [5:6] is the sub-list for method output_type
+	4, // [4:5] is the sub-list for method input_type
+	4, // [4:4] is the sub-list for extension type_name
+	4, // [4:4] is the sub-list for extension extendee
+	0, // [0:4] is the sub-list for field type_name
+}
+
+func init() { file_multimodal_routing_proto_init() }
+func file_multimodal_routing_proto_init() {
+	if File_multimodal_routing_proto != nil {
+		return
+	}
+	file_geojson_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_multimodal_routing_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SearchRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_multimodal_routing_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SearchResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_multimodal_routing_proto_msgTypes[0].OneofWrappers = []interface{}{}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_multimodal_routing_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_multimodal_routing_proto_goTypes,
+		DependencyIndexes: file_multimodal_routing_proto_depIdxs,
+		MessageInfos:      file_multimodal_routing_proto_msgTypes,
+	}.Build()
+	File_multimodal_routing_proto = out.File
+	file_multimodal_routing_proto_rawDesc = nil
+	file_multimodal_routing_proto_goTypes = nil
+	file_multimodal_routing_proto_depIdxs = nil
+}

servers/grpc/proto/multimodal-routing.proto

@@ -0,0 +1,21 @@
+syntax = "proto3";
+
+option go_package = "git.coopgo.io/coopgo-platform/multimodal-routing/servers/grpc/proto";
+
+import "google/protobuf/timestamp.proto";
+import "geojson.proto";
+
+service MultimodalRouting {
+    rpc Search(SearchRequest) returns (SearchResponse) {}
+  }
+
+message SearchRequest {
+  Feature departure = 1;
+  Feature destination = 2;
+  google.protobuf.Timestamp departure_date = 3;
+  optional int64 time_delta = 4;
+}
+
+message SearchResponse {
+  repeated FeatureCollection results = 1;
+}

servers/grpc/proto/multimodal-routing_grpc.pb.go

@@ -0,0 +1,109 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             v4.24.4
+// source: multimodal-routing.proto
+
+package proto
+
+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
+
+const (
+	MultimodalRouting_Search_FullMethodName = "/MultimodalRouting/Search"
+)
+
+// MultimodalRoutingClient is the client API for MultimodalRouting 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 MultimodalRoutingClient interface {
+	Search(ctx context.Context, in *SearchRequest, opts ...grpc.CallOption) (*SearchResponse, error)
+}
+
+type multimodalRoutingClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewMultimodalRoutingClient(cc grpc.ClientConnInterface) MultimodalRoutingClient {
+	return &multimodalRoutingClient{cc}
+}
+
+func (c *multimodalRoutingClient) Search(ctx context.Context, in *SearchRequest, opts ...grpc.CallOption) (*SearchResponse, error) {
+	out := new(SearchResponse)
+	err := c.cc.Invoke(ctx, MultimodalRouting_Search_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// MultimodalRoutingServer is the server API for MultimodalRouting service.
+// All implementations must embed UnimplementedMultimodalRoutingServer
+// for forward compatibility
+type MultimodalRoutingServer interface {
+	Search(context.Context, *SearchRequest) (*SearchResponse, error)
+	mustEmbedUnimplementedMultimodalRoutingServer()
+}
+
+// UnimplementedMultimodalRoutingServer must be embedded to have forward compatible implementations.
+type UnimplementedMultimodalRoutingServer struct {
+}
+
+func (UnimplementedMultimodalRoutingServer) Search(context.Context, *SearchRequest) (*SearchResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Search not implemented")
+}
+func (UnimplementedMultimodalRoutingServer) mustEmbedUnimplementedMultimodalRoutingServer() {}
+
+// UnsafeMultimodalRoutingServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to MultimodalRoutingServer will
+// result in compilation errors.
+type UnsafeMultimodalRoutingServer interface {
+	mustEmbedUnimplementedMultimodalRoutingServer()
+}
+
+func RegisterMultimodalRoutingServer(s grpc.ServiceRegistrar, srv MultimodalRoutingServer) {
+	s.RegisterService(&MultimodalRouting_ServiceDesc, srv)
+}
+
+func _MultimodalRouting_Search_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SearchRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MultimodalRoutingServer).Search(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: MultimodalRouting_Search_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MultimodalRoutingServer).Search(ctx, req.(*SearchRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// MultimodalRouting_ServiceDesc is the grpc.ServiceDesc for MultimodalRouting service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var MultimodalRouting_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "MultimodalRouting",
+	HandlerType: (*MultimodalRoutingServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Search",
+			Handler:    _MultimodalRouting_Search_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "multimodal-routing.proto",
+}

servers/grpc/server/grpc.go

@@ -0,0 +1,87 @@
+package grpcserver
+
+import (
+	"context"
+	"fmt"
+	"net"
+
+	"git.coopgo.io/coopgo-platform/multimodal-routing/handlers"
+	"git.coopgo.io/coopgo-platform/multimodal-routing/servers/grpc/proto"
+	"github.com/paulmach/orb/geojson"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/viper"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/reflection"
+	"google.golang.org/grpc/status"
+)
+
+type MultimodalRoutingServer struct {
+	Handler *handlers.MultimodalRoutingHandler
+
+	proto.UnimplementedMultimodalRoutingServer
+}
+
+func NewMultimodalRoutingServer(handler *handlers.MultimodalRoutingHandler) *MultimodalRoutingServer {
+	return &MultimodalRoutingServer{
+		Handler: handler,
+	}
+}
+
+func (s *MultimodalRoutingServer) Search(ctx context.Context, req *proto.SearchRequest) (*proto.SearchResponse, error) {
+	departure, err := geojson.UnmarshalFeature([]byte(req.Departure.Serialized))
+	if err != nil {
+		log.Error().Err(err).Msg("error decoding departure")
+		return nil, status.Errorf(codes.Internal, "could not read departure: %w", err)
+	}
+	destination, err := geojson.UnmarshalFeature([]byte(req.Destination.Serialized))
+	if err != nil {
+		log.Error().Err(err).Msg("error decoding destination")
+		return nil, status.Errorf(codes.Internal, "could not read destination: %w", err)
+	}
+	departureDate := req.DepartureDate.AsTime()
+	journeys, err := s.Handler.Search(*departure, *destination, departureDate)
+	if err != nil {
+		log.Error().Err(err).Any("departure", departure).Any("destination", destination).Time("departure date", departureDate).Msg("error retrieving carpools")
+	}
+
+	results := []*proto.FeatureCollection{}
+	for _, c := range journeys {
+		serialized, err := c.MarshalJSON()
+		if err != nil {
+			log.Error().Err(err).Any("carpool object", c).Msg("could not serialize carpool response")
+			continue
+		}
+		results = append(results, &proto.FeatureCollection{Serialized: string(serialized)})
+	}
+
+	return &proto.SearchResponse{
+		Results: results,
+	}, nil
+}
+
+func Run(failed chan error, cfg *viper.Viper, handler *handlers.MultimodalRoutingHandler) {
+	var (
+		dev_env = cfg.GetBool("dev_env")
+		address = fmt.Sprintf(":%s", cfg.GetString("services.grpc.port"))
+	)
+
+	server := grpc.NewServer()
+
+	proto.RegisterMultimodalRoutingServer(server, NewMultimodalRoutingServer(handler))
+	l, err := net.Listen("tcp", address)
+	if err != nil {
+		failed <- fmt.Errorf("error trying to listen to network port : %w", err)
+		return
+	}
+
+	if dev_env {
+		log.Info().Msg("gRPC server reflexion activated")
+		reflection.Register(server)
+	}
+
+	log.Info().Str("address", address).Msg("running gRPC server")
+	if err := server.Serve(l); err != nil {
+		failed <- fmt.Errorf("error in grpc server : %w", err)
+	}
+}