From b90871c2416bff5ce785ae66abddbb3871555e3c Mon Sep 17 00:00:00 2001 From: Asim Aslam Date: Mon, 30 Sep 2019 07:51:13 +0100 Subject: [PATCH] Add Network.Services handler --- network/handler/handler.go | 20 ++++ network/proto/network.micro.go | 25 +++++ network/proto/network.pb.go | 173 +++++++++++++++++++++++++++------ network/proto/network.proto | 11 +++ 4 files changed, 200 insertions(+), 29 deletions(-) diff --git a/network/handler/handler.go b/network/handler/handler.go index 4d52a63e..840d6ce5 100644 --- a/network/handler/handler.go +++ b/network/handler/handler.go @@ -123,3 +123,23 @@ func (n *Network) Routes(ctx context.Context, req *pbNet.RoutesRequest, resp *pb return nil } + +// Services returns a list of services based on the routing table +func (n *Network) Services(ctx context.Context, req *pbNet.ServicesRequest, resp *pbNet.ServicesResponse) error { + routes, err := n.Network.Options().Router.Table().List() + if err != nil { + return errors.InternalServerError("go.micro.network", "failed to list services: %s", err) + } + + services := make(map[string]bool) + + for _, route := range routes { + if _, ok := services[route.Service]; ok { + continue + } + services[route.Service] = true + resp.Services = append(resp.Services, route.Service) + } + + return nil +} diff --git a/network/proto/network.micro.go b/network/proto/network.micro.go index 24194579..7dee3697 100644 --- a/network/proto/network.micro.go +++ b/network/proto/network.micro.go @@ -35,9 +35,14 @@ var _ server.Option // Client API for Network service type NetworkService interface { + // Returns the entire network graph Graph(ctx context.Context, in *GraphRequest, opts ...client.CallOption) (*GraphResponse, error) + // Returns a list of known nodes in the network Nodes(ctx context.Context, in *NodesRequest, opts ...client.CallOption) (*NodesResponse, error) + // Returns a list of known routes in the network Routes(ctx context.Context, in *RoutesRequest, opts ...client.CallOption) (*RoutesResponse, error) + // Returns a list of known services based on routes + Services(ctx context.Context, in *ServicesRequest, opts ...client.CallOption) (*ServicesResponse, error) } type networkService struct { @@ -88,12 +93,27 @@ func (c *networkService) Routes(ctx context.Context, in *RoutesRequest, opts ... return out, nil } +func (c *networkService) Services(ctx context.Context, in *ServicesRequest, opts ...client.CallOption) (*ServicesResponse, error) { + req := c.c.NewRequest(c.name, "Network.Services", in) + out := new(ServicesResponse) + err := c.c.Call(ctx, req, out, opts...) + if err != nil { + return nil, err + } + return out, nil +} + // Server API for Network service type NetworkHandler interface { + // Returns the entire network graph Graph(context.Context, *GraphRequest, *GraphResponse) error + // Returns a list of known nodes in the network Nodes(context.Context, *NodesRequest, *NodesResponse) error + // Returns a list of known routes in the network Routes(context.Context, *RoutesRequest, *RoutesResponse) error + // Returns a list of known services based on routes + Services(context.Context, *ServicesRequest, *ServicesResponse) error } func RegisterNetworkHandler(s server.Server, hdlr NetworkHandler, opts ...server.HandlerOption) error { @@ -101,6 +121,7 @@ func RegisterNetworkHandler(s server.Server, hdlr NetworkHandler, opts ...server Graph(ctx context.Context, in *GraphRequest, out *GraphResponse) error Nodes(ctx context.Context, in *NodesRequest, out *NodesResponse) error Routes(ctx context.Context, in *RoutesRequest, out *RoutesResponse) error + Services(ctx context.Context, in *ServicesRequest, out *ServicesResponse) error } type Network struct { network @@ -124,3 +145,7 @@ func (h *networkHandler) Nodes(ctx context.Context, in *NodesRequest, out *Nodes func (h *networkHandler) Routes(ctx context.Context, in *RoutesRequest, out *RoutesResponse) error { return h.NetworkHandler.Routes(ctx, in, out) } + +func (h *networkHandler) Services(ctx context.Context, in *ServicesRequest, out *ServicesResponse) error { + return h.NetworkHandler.Services(ctx, in, out) +} diff --git a/network/proto/network.pb.go b/network/proto/network.pb.go index d1ee9600..0b339d69 100644 --- a/network/proto/network.pb.go +++ b/network/proto/network.pb.go @@ -254,6 +254,76 @@ func (m *RoutesResponse) GetRoutes() []*proto1.Route { return nil } +type ServicesRequest struct { + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *ServicesRequest) Reset() { *m = ServicesRequest{} } +func (m *ServicesRequest) String() string { return proto.CompactTextString(m) } +func (*ServicesRequest) ProtoMessage() {} +func (*ServicesRequest) Descriptor() ([]byte, []int) { + return fileDescriptor_0b7953b26a7c4730, []int{6} +} + +func (m *ServicesRequest) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_ServicesRequest.Unmarshal(m, b) +} +func (m *ServicesRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_ServicesRequest.Marshal(b, m, deterministic) +} +func (m *ServicesRequest) XXX_Merge(src proto.Message) { + xxx_messageInfo_ServicesRequest.Merge(m, src) +} +func (m *ServicesRequest) XXX_Size() int { + return xxx_messageInfo_ServicesRequest.Size(m) +} +func (m *ServicesRequest) XXX_DiscardUnknown() { + xxx_messageInfo_ServicesRequest.DiscardUnknown(m) +} + +var xxx_messageInfo_ServicesRequest proto.InternalMessageInfo + +type ServicesResponse struct { + Services []string `protobuf:"bytes,1,rep,name=services,proto3" json:"services,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *ServicesResponse) Reset() { *m = ServicesResponse{} } +func (m *ServicesResponse) String() string { return proto.CompactTextString(m) } +func (*ServicesResponse) ProtoMessage() {} +func (*ServicesResponse) Descriptor() ([]byte, []int) { + return fileDescriptor_0b7953b26a7c4730, []int{7} +} + +func (m *ServicesResponse) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_ServicesResponse.Unmarshal(m, b) +} +func (m *ServicesResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_ServicesResponse.Marshal(b, m, deterministic) +} +func (m *ServicesResponse) XXX_Merge(src proto.Message) { + xxx_messageInfo_ServicesResponse.Merge(m, src) +} +func (m *ServicesResponse) XXX_Size() int { + return xxx_messageInfo_ServicesResponse.Size(m) +} +func (m *ServicesResponse) XXX_DiscardUnknown() { + xxx_messageInfo_ServicesResponse.DiscardUnknown(m) +} + +var xxx_messageInfo_ServicesResponse proto.InternalMessageInfo + +func (m *ServicesResponse) GetServices() []string { + if m != nil { + return m.Services + } + return nil +} + // Node is network node type Node struct { // node id @@ -269,7 +339,7 @@ func (m *Node) Reset() { *m = Node{} } func (m *Node) String() string { return proto.CompactTextString(m) } func (*Node) ProtoMessage() {} func (*Node) Descriptor() ([]byte, []int) { - return fileDescriptor_0b7953b26a7c4730, []int{6} + return fileDescriptor_0b7953b26a7c4730, []int{8} } func (m *Node) XXX_Unmarshal(b []byte) error { @@ -317,7 +387,7 @@ func (m *Connect) Reset() { *m = Connect{} } func (m *Connect) String() string { return proto.CompactTextString(m) } func (*Connect) ProtoMessage() {} func (*Connect) Descriptor() ([]byte, []int) { - return fileDescriptor_0b7953b26a7c4730, []int{7} + return fileDescriptor_0b7953b26a7c4730, []int{9} } func (m *Connect) XXX_Unmarshal(b []byte) error { @@ -358,7 +428,7 @@ func (m *Close) Reset() { *m = Close{} } func (m *Close) String() string { return proto.CompactTextString(m) } func (*Close) ProtoMessage() {} func (*Close) Descriptor() ([]byte, []int) { - return fileDescriptor_0b7953b26a7c4730, []int{8} + return fileDescriptor_0b7953b26a7c4730, []int{10} } func (m *Close) XXX_Unmarshal(b []byte) error { @@ -401,7 +471,7 @@ func (m *Peer) Reset() { *m = Peer{} } func (m *Peer) String() string { return proto.CompactTextString(m) } func (*Peer) ProtoMessage() {} func (*Peer) Descriptor() ([]byte, []int) { - return fileDescriptor_0b7953b26a7c4730, []int{9} + return fileDescriptor_0b7953b26a7c4730, []int{11} } func (m *Peer) XXX_Unmarshal(b []byte) error { @@ -443,6 +513,8 @@ func init() { proto.RegisterType((*GraphResponse)(nil), "go.micro.network.GraphResponse") proto.RegisterType((*RoutesRequest)(nil), "go.micro.network.RoutesRequest") proto.RegisterType((*RoutesResponse)(nil), "go.micro.network.RoutesResponse") + proto.RegisterType((*ServicesRequest)(nil), "go.micro.network.ServicesRequest") + proto.RegisterType((*ServicesResponse)(nil), "go.micro.network.ServicesResponse") proto.RegisterType((*Node)(nil), "go.micro.network.Node") proto.RegisterType((*Connect)(nil), "go.micro.network.Connect") proto.RegisterType((*Close)(nil), "go.micro.network.Close") @@ -454,31 +526,33 @@ func init() { 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0xf4, 0x67, 0xcd, 0xf6, 0x6a, 0xbb, 0x67, 0x95, 0xff, 0xdb, - 0x2d, 0xf0, 0x9a, 0xd1, 0xa2, 0x63, 0x2a, 0xd3, 0xda, 0xbe, 0xc5, 0x32, 0xad, 0x9d, 0x2b, 0xe4, - 0x35, 0xf6, 0x08, 0x2d, 0xbb, 0x65, 0x56, 0x02, 0xef, 0x1c, 0x44, 0xb7, 0x57, 0x0d, 0x14, 0x72, - 0xf3, 0x16, 0x7d, 0x14, 0xa3, 0xcf, 0x00, 0x00, 0x00, 0xff, 0xff, 0x21, 0x74, 0xcb, 0x32, 0x94, - 0x03, 0x00, 0x00, + // 416 bytes of a gzipped FileDescriptorProto + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x93, 0x5d, 0x6f, 0xda, 0x30, + 0x14, 0x86, 0x21, 0x10, 0x3e, 0xce, 0x16, 0x60, 0xd6, 0x34, 0x45, 0xb9, 0xd8, 0x98, 0xb5, 0x0b, + 0x34, 0x6d, 0x66, 0x02, 0x71, 0x35, 0x4d, 0x9a, 0xc4, 0x45, 0xa5, 0x4a, 0x45, 0x95, 0xf9, 0x03, + 0x85, 0xc4, 0x82, 0xa8, 0x25, 0x4e, 0x1d, 0xd3, 0xfe, 0xc2, 0xfe, 0xaf, 0xca, 0x1f, 0xe1, 0x33, + 0x41, 0xed, 0x1d, 0xe7, 0xf0, 0xf8, 0x3d, 0x3e, 0xaf, 0xdf, 0xc0, 0x64, 0x15, 0xcb, 0xf5, 0x76, + 0x49, 0x42, 0xbe, 0x19, 0x6e, 0xe2, 0x50, 0xf0, 0xe1, 0x8a, 0xff, 0x36, 0x3f, 0x12, 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suppress errors if they are not otherwise used. @@ -493,9 +567,14 @@ const _ = grpc.SupportPackageIsVersion4 // // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream. type NetworkClient interface { + // Returns the entire network graph Graph(ctx context.Context, in *GraphRequest, opts ...grpc.CallOption) (*GraphResponse, error) + // Returns a list of known nodes in the network Nodes(ctx context.Context, in *NodesRequest, opts ...grpc.CallOption) (*NodesResponse, error) + // Returns a list of known routes in the network Routes(ctx context.Context, in *RoutesRequest, opts ...grpc.CallOption) (*RoutesResponse, error) + // Returns a list of known services based on routes + Services(ctx context.Context, in *ServicesRequest, opts ...grpc.CallOption) (*ServicesResponse, error) } type networkClient struct { @@ -533,11 +612,25 @@ func (c *networkClient) Routes(ctx context.Context, in *RoutesRequest, opts ...g return out, nil } +func (c *networkClient) Services(ctx context.Context, in *ServicesRequest, opts ...grpc.CallOption) (*ServicesResponse, error) { + out := new(ServicesResponse) + err := c.cc.Invoke(ctx, "/go.micro.network.Network/Services", in, out, opts...) + if err != nil { + return nil, err + } + return out, nil +} + // NetworkServer is the server API for Network service. type NetworkServer interface { + // Returns the entire network graph Graph(context.Context, *GraphRequest) (*GraphResponse, error) + // Returns a list of known nodes in the network Nodes(context.Context, *NodesRequest) (*NodesResponse, error) + // Returns a list of known routes in the network Routes(context.Context, *RoutesRequest) (*RoutesResponse, error) + // Returns a list of known services based on routes + Services(context.Context, *ServicesRequest) (*ServicesResponse, error) } func RegisterNetworkServer(s *grpc.Server, srv NetworkServer) { @@ -598,6 +691,24 @@ func _Network_Routes_Handler(srv interface{}, ctx context.Context, dec func(inte return interceptor(ctx, in, info, handler) } +func _Network_Services_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) { + in := new(ServicesRequest) + if err := dec(in); err != nil { + return nil, err + } + if interceptor == nil { + return srv.(NetworkServer).Services(ctx, in) + } + info := &grpc.UnaryServerInfo{ + Server: srv, + FullMethod: "/go.micro.network.Network/Services", + } + handler := func(ctx context.Context, req interface{}) (interface{}, error) { + return srv.(NetworkServer).Services(ctx, req.(*ServicesRequest)) + } + return interceptor(ctx, in, info, handler) +} + var _Network_serviceDesc = grpc.ServiceDesc{ ServiceName: "go.micro.network.Network", HandlerType: (*NetworkServer)(nil), @@ -614,6 +725,10 @@ var _Network_serviceDesc = grpc.ServiceDesc{ MethodName: "Routes", Handler: _Network_Routes_Handler, }, + { + MethodName: "Services", + Handler: _Network_Services_Handler, + }, }, Streams: []grpc.StreamDesc{}, Metadata: "github.com/micro/go-micro/network/proto/network.proto", diff --git a/network/proto/network.proto b/network/proto/network.proto index 4d8bf2a6..a82d75a1 100644 --- a/network/proto/network.proto +++ b/network/proto/network.proto @@ -6,9 +6,14 @@ import "github.com/micro/go-micro/router/proto/router.proto"; // Network service is usesd to gain visibility into networks service Network { + // Returns the entire network graph rpc Graph(GraphRequest) returns (GraphResponse) {}; + // Returns a list of known nodes in the network rpc Nodes(NodesRequest) returns (NodesResponse) {}; + // Returns a list of known routes in the network rpc Routes(RoutesRequest) returns (RoutesResponse) {}; + // Returns a list of known services based on routes + rpc Services(ServicesRequest) returns (ServicesResponse) {}; } // PeerRequest requests list of peers @@ -39,6 +44,12 @@ message RoutesResponse { repeated go.micro.router.Route routes = 1; } +message ServicesRequest {} + +message ServicesResponse { + repeated string services = 1; +} + // Node is network node message Node { // node id