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Code Issues Releases Activity

yolo commit functioning router code. all credit to the milos gajdos

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This commit is contained in:
Asim Aslam 2019-07-29 18:57:40 +01:00
parent 11f80708ce
commit 852abcaaed
11 changed files with 1277 additions and 477 deletions
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106
network/router/default.go
View File

@ -8,6 +8,7 @@ import (
"sync"
"time"
"github.com/google/uuid"
"github.com/micro/go-micro/registry"
)
@ -43,15 +44,17 @@ var (
type router struct {
sync.RWMutex
// embed the table
*table
opts Options
status Status
exit chan struct{}
errChan chan error
eventChan chan *Event
advertChan chan *Advert
advertWg *sync.WaitGroup
wg *sync.WaitGroup
table *table
opts Options
status Status
exit chan struct{}
errChan chan error
eventChan chan *Event
advertWg *sync.WaitGroup
wg *sync.WaitGroup
// advert subscribers
subscribers map[string]chan *Advert
}
// newRouter creates new router and returns it
@ -65,11 +68,12 @@ func newRouter(opts ...Option) Router {
}
r := &router{
table: newTable(),
opts: options,
status: Status{Code: Stopped, Error: nil},
advertWg: &sync.WaitGroup{},
wg: &sync.WaitGroup{},
table: newTable(),
opts: options,
status: Status{Code: Stopped, Error: nil},
advertWg: &sync.WaitGroup{},
wg: &sync.WaitGroup{},
subscribers: make(map[string]chan *Advert),
}
go r.run()
@ -90,19 +94,23 @@ func (r *router) Options() Options {
return r.opts
}
func (r *router) Table() Table {
return r.table
}
// manageRoute applies action on a given route
func (r *router) manageRoute(route Route, action string) error {
switch action {
case "create":
if err := r.Create(route); err != nil && err != ErrDuplicateRoute {
if err := r.table.Create(route); err != nil && err != ErrDuplicateRoute {
return fmt.Errorf("failed adding route for service %s: %s", route.Service, err)
}
case "update":
if err := r.Update(route); err != nil && err != ErrDuplicateRoute {
if err := r.table.Update(route); err != nil && err != ErrDuplicateRoute {
return fmt.Errorf("failed updating route for service %s: %s", route.Service, err)
}
case "delete":
if err := r.Delete(route); err != nil && err != ErrRouteNotFound {
if err := r.table.Delete(route); err != nil && err != ErrRouteNotFound {
return fmt.Errorf("failed deleting route for service %s: %s", route.Service, err)
}
default:
@ -244,11 +252,23 @@ func (r *router) publishAdvert(advType AdvertType, events []*Event) {
Events: events,
}
select {
case r.advertChan <- a:
case <-r.exit:
return
r.RLock()
for _, sub := range r.subscribers {
// check the exit chan first
select {
case <-r.exit:
r.RUnlock()
return
default:
}
// now send the message
select {
case sub <- a:
default:
}
}
r.RUnlock()
}
// advertiseTable advertises the whole routing table to the network
@ -260,7 +280,7 @@ func (r *router) advertiseTable() error {
select {
case <-ticker.C:
// list routing table routes to announce
routes, err := r.List()
routes, err := r.table.List()
if err != nil {
return fmt.Errorf("failed listing routes: %s", err)
}
@ -410,8 +430,6 @@ func (r *router) advertiseEvents() error {
case <-r.exit:
// first wait for the advertiser to finish
r.advertWg.Wait()
// close the advert channel
close(r.advertChan)
return nil
}
}
@ -434,9 +452,6 @@ func (r *router) watchErrors() {
// drain the advertise channel only if advertising
if r.status.Code == Advertising {
// drain the advertise channel
for range r.advertChan {
}
// drain the event channel
for range r.eventChan {
}
@ -474,7 +489,7 @@ func (r *router) run() {
Network: "*",
Metric: DefaultLocalMetric,
}
if err := r.Create(route); err != nil {
if err := r.table.Create(route); err != nil {
r.status = Status{Code: Error, Error: fmt.Errorf("failed adding default gateway route: %s", err)}
return
}
@ -525,10 +540,12 @@ func (r *router) Advertise() (<-chan *Advert, error) {
switch r.status.Code {
case Advertising:
return r.advertChan, nil
advertChan := make(chan *Advert)
r.subscribers[uuid.New().String()] = advertChan
return advertChan, nil
case Running:
// list routing table routes to announce
routes, err := r.List()
routes, err := r.table.List()
if err != nil {
return nil, fmt.Errorf("failed listing routes: %s", err)
}
@ -543,8 +560,7 @@ func (r *router) Advertise() (<-chan *Advert, error) {
events[i] = event
}
// create advertise and event channels
r.advertChan = make(chan *Advert)
// create event channels
r.eventChan = make(chan *Event)
// advertise your presence
@ -573,7 +589,11 @@ func (r *router) Advertise() (<-chan *Advert, error) {
// mark router as Running and set its Error to nil
r.status = Status{Code: Advertising, Error: nil}
return r.advertChan, nil
// create advert channel
advertChan := make(chan *Advert)
r.subscribers[uuid.New().String()] = advertChan
return advertChan, nil
case Stopped:
return nil, fmt.Errorf("not running")
}
@ -604,6 +624,14 @@ func (r *router) Process(a *Advert) error {
return nil
}
func (r *router) Lookup(q Query) ([]Route, error) {
return r.table.Query(q)
}
func (r *router) Watch(opts ...WatchOption) (Watcher, error) {
return r.table.Watch(opts...)
}
// Status returns router status
func (r *router) Status() Status {
r.RLock()
@ -625,14 +653,20 @@ func (r *router) Stop() error {
// drain the advertise channel only if advertising
if r.status.Code == Advertising {
// drain the advertise channel
for range r.advertChan {
}
// drain the event channel
for range r.eventChan {
}
}
// close advert subscribers
for id, sub := range r.subscribers {
// close the channel
close(sub)
// delete the subscriber
delete(r.subscribers, id)
}
// mark the router as Stopped and set its Error to nil
r.status = Status{Code: Stopped, Error: nil}
}

10
network/router/options.go
View File

@ -2,6 +2,7 @@ package router
import (
"github.com/google/uuid"
"github.com/micro/go-micro/client"
"github.com/micro/go-micro/registry"
)
@ -17,6 +18,8 @@ type Options struct {
Network string
// Registry is the local registry
Registry registry.Registry
// Client for calling router
Client client.Client
}
// Id sets Router Id
@ -33,6 +36,13 @@ func Address(a string) Option {
}
}
// Client to call router service
func Client(c client.Client) Option {
return func(o *Options) {
o.Client = c
}
}
// Gateway sets network gateway
func Gateway(g string) Option {
return func(o *Options) {

188
network/router/proto/router.micro.go
View File

@ -1,5 +1,5 @@
// Code generated by protoc-gen-micro. DO NOT EDIT.
// source: router.proto
// source: go-micro/network/router/proto/router.proto
package go_micro_router
@ -34,14 +34,11 @@ var _ server.Option
// Client API for Router service
type RouterService interface {
List(ctx context.Context, in *ListRequest, opts ...client.CallOption) (*ListResponse, error)
Lookup(ctx context.Context, in *LookupRequest, opts ...client.CallOption) (*LookupResponse, error)
Watch(ctx context.Context, in *WatchRequest, opts ...client.CallOption) (Router_WatchService, error)
Advertise(ctx context.Context, in *AdvertiseRequest, opts ...client.CallOption) (Router_AdvertiseService, error)
Process(ctx context.Context, in *Advert, opts ...client.CallOption) (*ProcessResponse, error)
Create(ctx context.Context, in *Route, opts ...client.CallOption) (*CreateResponse, error)
Delete(ctx context.Context, in *Route, opts ...client.CallOption) (*DeleteResponse, error)
Update(ctx context.Context, in *Route, opts ...client.CallOption) (*UpdateResponse, error)
Status(ctx context.Context, in *Request, opts ...client.CallOption) (*StatusResponse, error)
}
type routerService struct {
@ -62,16 +59,6 @@ func NewRouterService(name string, c client.Client) RouterService {
}
}
func (c *routerService) List(ctx context.Context, in *ListRequest, opts ...client.CallOption) (*ListResponse, error) {
req := c.c.NewRequest(c.name, "Router.List", in)
out := new(ListResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *routerService) Lookup(ctx context.Context, in *LookupRequest, opts ...client.CallOption) (*LookupResponse, error) {
req := c.c.NewRequest(c.name, "Router.Lookup", in)
out := new(LookupResponse)
@ -180,29 +167,9 @@ func (c *routerService) Process(ctx context.Context, in *Advert, opts ...client.
return out, nil
}
func (c *routerService) Create(ctx context.Context, in *Route, opts ...client.CallOption) (*CreateResponse, error) {
req := c.c.NewRequest(c.name, "Router.Create", in)
out := new(CreateResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *routerService) Delete(ctx context.Context, in *Route, opts ...client.CallOption) (*DeleteResponse, error) {
req := c.c.NewRequest(c.name, "Router.Delete", in)
out := new(DeleteResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *routerService) Update(ctx context.Context, in *Route, opts ...client.CallOption) (*UpdateResponse, error) {
req := c.c.NewRequest(c.name, "Router.Update", in)
out := new(UpdateResponse)
func (c *routerService) Status(ctx context.Context, in *Request, opts ...client.CallOption) (*StatusResponse, error) {
req := c.c.NewRequest(c.name, "Router.Status", in)
out := new(StatusResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
@ -213,26 +180,20 @@ func (c *routerService) Update(ctx context.Context, in *Route, opts ...client.Ca
// Server API for Router service
type RouterHandler interface {
List(context.Context, *ListRequest, *ListResponse) error
Lookup(context.Context, *LookupRequest, *LookupResponse) error
Watch(context.Context, *WatchRequest, Router_WatchStream) error
Advertise(context.Context, *AdvertiseRequest, Router_AdvertiseStream) error
Process(context.Context, *Advert, *ProcessResponse) error
Create(context.Context, *Route, *CreateResponse) error
Delete(context.Context, *Route, *DeleteResponse) error
Update(context.Context, *Route, *UpdateResponse) error
Status(context.Context, *Request, *StatusResponse) error
}
func RegisterRouterHandler(s server.Server, hdlr RouterHandler, opts ...server.HandlerOption) error {
type router interface {
List(ctx context.Context, in *ListRequest, out *ListResponse) error
Lookup(ctx context.Context, in *LookupRequest, out *LookupResponse) error
Watch(ctx context.Context, stream server.Stream) error
Advertise(ctx context.Context, stream server.Stream) error
Process(ctx context.Context, in *Advert, out *ProcessResponse) error
Create(ctx context.Context, in *Route, out *CreateResponse) error
Delete(ctx context.Context, in *Route, out *DeleteResponse) error
Update(ctx context.Context, in *Route, out *UpdateResponse) error
Status(ctx context.Context, in *Request, out *StatusResponse) error
}
type Router struct {
router
@ -245,10 +206,6 @@ type routerHandler struct {
RouterHandler
}
func (h *routerHandler) List(ctx context.Context, in *ListRequest, out *ListResponse) error {
return h.RouterHandler.List(ctx, in, out)
}
func (h *routerHandler) Lookup(ctx context.Context, in *LookupRequest, out *LookupResponse) error {
return h.RouterHandler.Lookup(ctx, in, out)
}
@ -327,14 +284,133 @@ func (h *routerHandler) Process(ctx context.Context, in *Advert, out *ProcessRes
return h.RouterHandler.Process(ctx, in, out)
}
func (h *routerHandler) Create(ctx context.Context, in *Route, out *CreateResponse) error {
return h.RouterHandler.Create(ctx, in, out)
func (h *routerHandler) Status(ctx context.Context, in *Request, out *StatusResponse) error {
return h.RouterHandler.Status(ctx, in, out)
}
func (h *routerHandler) Delete(ctx context.Context, in *Route, out *DeleteResponse) error {
return h.RouterHandler.Delete(ctx, in, out)
// Client API for Table service
type TableService interface {
Create(ctx context.Context, in *Route, opts ...client.CallOption) (*CreateResponse, error)
Delete(ctx context.Context, in *Route, opts ...client.CallOption) (*DeleteResponse, error)
Update(ctx context.Context, in *Route, opts ...client.CallOption) (*UpdateResponse, error)
Query(ctx context.Context, in *QueryRequest, opts ...client.CallOption) (*QueryResponse, error)
List(ctx context.Context, in *Request, opts ...client.CallOption) (*ListResponse, error)
}
func (h *routerHandler) Update(ctx context.Context, in *Route, out *UpdateResponse) error {
return h.RouterHandler.Update(ctx, in, out)
type tableService struct {
c client.Client
name string
}
func NewTableService(name string, c client.Client) TableService {
if c == nil {
c = client.NewClient()
}
if len(name) == 0 {
name = "go.micro.router"
}
return &tableService{
c: c,
name: name,
}
}
func (c *tableService) Create(ctx context.Context, in *Route, opts ...client.CallOption) (*CreateResponse, error) {
req := c.c.NewRequest(c.name, "Table.Create", in)
out := new(CreateResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableService) Delete(ctx context.Context, in *Route, opts ...client.CallOption) (*DeleteResponse, error) {
req := c.c.NewRequest(c.name, "Table.Delete", in)
out := new(DeleteResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableService) Update(ctx context.Context, in *Route, opts ...client.CallOption) (*UpdateResponse, error) {
req := c.c.NewRequest(c.name, "Table.Update", in)
out := new(UpdateResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableService) Query(ctx context.Context, in *QueryRequest, opts ...client.CallOption) (*QueryResponse, error) {
req := c.c.NewRequest(c.name, "Table.Query", in)
out := new(QueryResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableService) List(ctx context.Context, in *Request, opts ...client.CallOption) (*ListResponse, error) {
req := c.c.NewRequest(c.name, "Table.List", in)
out := new(ListResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// Server API for Table service
type TableHandler interface {
Create(context.Context, *Route, *CreateResponse) error
Delete(context.Context, *Route, *DeleteResponse) error
Update(context.Context, *Route, *UpdateResponse) error
Query(context.Context, *QueryRequest, *QueryResponse) error
List(context.Context, *Request, *ListResponse) error
}
func RegisterTableHandler(s server.Server, hdlr TableHandler, opts ...server.HandlerOption) error {
type table interface {
Create(ctx context.Context, in *Route, out *CreateResponse) error
Delete(ctx context.Context, in *Route, out *DeleteResponse) error
Update(ctx context.Context, in *Route, out *UpdateResponse) error
Query(ctx context.Context, in *QueryRequest, out *QueryResponse) error
List(ctx context.Context, in *Request, out *ListResponse) error
}
type Table struct {
table
}
h := &tableHandler{hdlr}
return s.Handle(s.NewHandler(&Table{h}, opts...))
}
type tableHandler struct {
TableHandler
}
func (h *tableHandler) Create(ctx context.Context, in *Route, out *CreateResponse) error {
return h.TableHandler.Create(ctx, in, out)
}
func (h *tableHandler) Delete(ctx context.Context, in *Route, out *DeleteResponse) error {
return h.TableHandler.Delete(ctx, in, out)
}
func (h *tableHandler) Update(ctx context.Context, in *Route, out *UpdateResponse) error {
return h.TableHandler.Update(ctx, in, out)
}
func (h *tableHandler) Query(ctx context.Context, in *QueryRequest, out *QueryResponse) error {
return h.TableHandler.Query(ctx, in, out)
}
func (h *tableHandler) List(ctx context.Context, in *Request, out *ListResponse) error {
return h.TableHandler.List(ctx, in, out)
}

786
network/router/proto/router.pb.go
View File

@ -1,11 +1,13 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: router.proto
// source: go-micro/network/router/proto/router.proto
package go_micro_router
import (
context "context"
fmt "fmt"
proto "github.com/golang/protobuf/proto"
grpc "google.golang.org/grpc"
math "math"
)
@ -43,7 +45,7 @@ func (x AdvertType) String() string {
}
func (AdvertType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{0}
return fileDescriptor_fc08514fc6dadd29, []int{0}
}
// EventType defines the type of event
@ -72,40 +74,40 @@ func (x EventType) String() string {
}
func (EventType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{1}
return fileDescriptor_fc08514fc6dadd29, []int{1}
}
// ListRequest is made to List routes
type ListRequest struct {
// Empty request
type Request struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *ListRequest) Reset() { *m = ListRequest{} }
func (m *ListRequest) String() string { return proto.CompactTextString(m) }
func (*ListRequest) ProtoMessage() {}
func (*ListRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{0}
func (m *Request) Reset() { *m = Request{} }
func (m *Request) String() string { return proto.CompactTextString(m) }
func (*Request) ProtoMessage() {}
func (*Request) Descriptor() ([]byte, []int) {
return fileDescriptor_fc08514fc6dadd29, []int{0}
}
func (m *ListRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ListRequest.Unmarshal(m, b)
func (m *Request) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Request.Unmarshal(m, b)
}
func (m *ListRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_ListRequest.Marshal(b, m, deterministic)
func (m *Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Request.Marshal(b, m, deterministic)
}
func (m *ListRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_ListRequest.Merge(m, src)
func (m *Request) XXX_Merge(src proto.Message) {
xxx_messageInfo_Request.Merge(m, src)
}
func (m *ListRequest) XXX_Size() int {
return xxx_messageInfo_ListRequest.Size(m)
func (m *Request) XXX_Size() int {
return xxx_messageInfo_Request.Size(m)
}
func (m *ListRequest) XXX_DiscardUnknown() {
xxx_messageInfo_ListRequest.DiscardUnknown(m)
func (m *Request) XXX_DiscardUnknown() {
xxx_messageInfo_Request.DiscardUnknown(m)
}
var xxx_messageInfo_ListRequest proto.InternalMessageInfo
var xxx_messageInfo_Request proto.InternalMessageInfo
// ListResponse is returned by List
type ListResponse struct {
@ -119,7 +121,7 @@ func (m *ListResponse) Reset() { *m = ListResponse{} }
func (m *ListResponse) String() string { return proto.CompactTextString(m) }
func (*ListResponse) ProtoMessage() {}
func (*ListResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{1}
return fileDescriptor_fc08514fc6dadd29, []int{1}
}
func (m *ListResponse) XXX_Unmarshal(b []byte) error {
@ -159,7 +161,7 @@ func (m *LookupRequest) Reset() { *m = LookupRequest{} }
func (m *LookupRequest) String() string { return proto.CompactTextString(m) }
func (*LookupRequest) ProtoMessage() {}
func (*LookupRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{2}
return fileDescriptor_fc08514fc6dadd29, []int{2}
}
func (m *LookupRequest) XXX_Unmarshal(b []byte) error {
@ -199,7 +201,7 @@ func (m *LookupResponse) Reset() { *m = LookupResponse{} }
func (m *LookupResponse) String() string { return proto.CompactTextString(m) }
func (*LookupResponse) ProtoMessage() {}
func (*LookupResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{3}
return fileDescriptor_fc08514fc6dadd29, []int{3}
}
func (m *LookupResponse) XXX_Unmarshal(b []byte) error {
@ -227,6 +229,84 @@ func (m *LookupResponse) GetRoutes() []*Route {
return nil
}
type QueryRequest struct {
Query *Query `protobuf:"bytes,1,opt,name=query,proto3" json:"query,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *QueryRequest) Reset() { *m = QueryRequest{} }
func (m *QueryRequest) String() string { return proto.CompactTextString(m) }
func (*QueryRequest) ProtoMessage() {}
func (*QueryRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_fc08514fc6dadd29, []int{4}
}
func (m *QueryRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_QueryRequest.Unmarshal(m, b)
}
func (m *QueryRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_QueryRequest.Marshal(b, m, deterministic)
}
func (m *QueryRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_QueryRequest.Merge(m, src)
}
func (m *QueryRequest) XXX_Size() int {
return xxx_messageInfo_QueryRequest.Size(m)
}
func (m *QueryRequest) XXX_DiscardUnknown() {
xxx_messageInfo_QueryRequest.DiscardUnknown(m)
}
var xxx_messageInfo_QueryRequest proto.InternalMessageInfo
func (m *QueryRequest) GetQuery() *Query {
if m != nil {
return m.Query
}
return nil
}
type QueryResponse struct {
Routes []*Route `protobuf:"bytes,1,rep,name=routes,proto3" json:"routes,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *QueryResponse) Reset() { *m = QueryResponse{} }
func (m *QueryResponse) String() string { return proto.CompactTextString(m) }
func (*QueryResponse) ProtoMessage() {}
func (*QueryResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_fc08514fc6dadd29, []int{5}
}
func (m *QueryResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_QueryResponse.Unmarshal(m, b)
}
func (m *QueryResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_QueryResponse.Marshal(b, m, deterministic)
}
func (m *QueryResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_QueryResponse.Merge(m, src)
}
func (m *QueryResponse) XXX_Size() int {
return xxx_messageInfo_QueryResponse.Size(m)
}
func (m *QueryResponse) XXX_DiscardUnknown() {
xxx_messageInfo_QueryResponse.DiscardUnknown(m)
}
var xxx_messageInfo_QueryResponse proto.InternalMessageInfo
func (m *QueryResponse) GetRoutes() []*Route {
if m != nil {
return m.Routes
}
return nil
}
// WatchRequest is made to Watch Router
type WatchRequest struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
@ -238,7 +318,7 @@ func (m *WatchRequest) Reset() { *m = WatchRequest{} }
func (m *WatchRequest) String() string { return proto.CompactTextString(m) }
func (*WatchRequest) ProtoMessage() {}
func (*WatchRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{4}
return fileDescriptor_fc08514fc6dadd29, []int{6}
}
func (m *WatchRequest) XXX_Unmarshal(b []byte) error {
@ -270,7 +350,7 @@ func (m *AdvertiseRequest) Reset() { *m = AdvertiseRequest{} }
func (m *AdvertiseRequest) String() string { return proto.CompactTextString(m) }
func (*AdvertiseRequest) ProtoMessage() {}
func (*AdvertiseRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{5}
return fileDescriptor_fc08514fc6dadd29, []int{7}
}
func (m *AdvertiseRequest) XXX_Unmarshal(b []byte) error {
@ -312,7 +392,7 @@ func (m *Advert) Reset() { *m = Advert{} }
func (m *Advert) String() string { return proto.CompactTextString(m) }
func (*Advert) ProtoMessage() {}
func (*Advert) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{6}
return fileDescriptor_fc08514fc6dadd29, []int{8}
}
func (m *Advert) XXX_Unmarshal(b []byte) error {
@ -379,7 +459,7 @@ func (m *ProcessResponse) Reset() { *m = ProcessResponse{} }
func (m *ProcessResponse) String() string { return proto.CompactTextString(m) }
func (*ProcessResponse) ProtoMessage() {}
func (*ProcessResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{7}
return fileDescriptor_fc08514fc6dadd29, []int{9}
}
func (m *ProcessResponse) XXX_Unmarshal(b []byte) error {
@ -411,7 +491,7 @@ func (m *CreateResponse) Reset() { *m = CreateResponse{} }
func (m *CreateResponse) String() string { return proto.CompactTextString(m) }
func (*CreateResponse) ProtoMessage() {}
func (*CreateResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{8}
return fileDescriptor_fc08514fc6dadd29, []int{10}
}
func (m *CreateResponse) XXX_Unmarshal(b []byte) error {
@ -443,7 +523,7 @@ func (m *DeleteResponse) Reset() { *m = DeleteResponse{} }
func (m *DeleteResponse) String() string { return proto.CompactTextString(m) }
func (*DeleteResponse) ProtoMessage() {}
func (*DeleteResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{9}
return fileDescriptor_fc08514fc6dadd29, []int{11}
}
func (m *DeleteResponse) XXX_Unmarshal(b []byte) error {
@ -475,7 +555,7 @@ func (m *UpdateResponse) Reset() { *m = UpdateResponse{} }
func (m *UpdateResponse) String() string { return proto.CompactTextString(m) }
func (*UpdateResponse) ProtoMessage() {}
func (*UpdateResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{10}
return fileDescriptor_fc08514fc6dadd29, []int{12}
}
func (m *UpdateResponse) XXX_Unmarshal(b []byte) error {
@ -513,7 +593,7 @@ func (m *Event) Reset() { *m = Event{} }
func (m *Event) String() string { return proto.CompactTextString(m) }
func (*Event) ProtoMessage() {}
func (*Event) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{11}
return fileDescriptor_fc08514fc6dadd29, []int{13}
}
func (m *Event) XXX_Unmarshal(b []byte) error {
@ -572,7 +652,7 @@ func (m *Query) Reset() { *m = Query{} }
func (m *Query) String() string { return proto.CompactTextString(m) }
func (*Query) ProtoMessage() {}
func (*Query) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{12}
return fileDescriptor_fc08514fc6dadd29, []int{14}
}
func (m *Query) XXX_Unmarshal(b []byte) error {
@ -637,7 +717,7 @@ func (m *Route) Reset() { *m = Route{} }
func (m *Route) String() string { return proto.CompactTextString(m) }
func (*Route) ProtoMessage() {}
func (*Route) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{13}
return fileDescriptor_fc08514fc6dadd29, []int{15}
}
func (m *Route) XXX_Unmarshal(b []byte) error {
@ -700,13 +780,101 @@ func (m *Route) GetMetric() int64 {
return 0
}
type Status struct {
Code string `protobuf:"bytes,1,opt,name=code,proto3" json:"code,omitempty"`
Error string `protobuf:"bytes,2,opt,name=error,proto3" json:"error,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Status) Reset() { *m = Status{} }
func (m *Status) String() string { return proto.CompactTextString(m) }
func (*Status) ProtoMessage() {}
func (*Status) Descriptor() ([]byte, []int) {
return fileDescriptor_fc08514fc6dadd29, []int{16}
}
func (m *Status) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Status.Unmarshal(m, b)
}
func (m *Status) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Status.Marshal(b, m, deterministic)
}
func (m *Status) XXX_Merge(src proto.Message) {
xxx_messageInfo_Status.Merge(m, src)
}
func (m *Status) XXX_Size() int {
return xxx_messageInfo_Status.Size(m)
}
func (m *Status) XXX_DiscardUnknown() {
xxx_messageInfo_Status.DiscardUnknown(m)
}
var xxx_messageInfo_Status proto.InternalMessageInfo
func (m *Status) GetCode() string {
if m != nil {
return m.Code
}
return ""
}
func (m *Status) GetError() string {
if m != nil {
return m.Error
}
return ""
}
type StatusResponse struct {
Status *Status `protobuf:"bytes,1,opt,name=status,proto3" json:"status,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *StatusResponse) Reset() { *m = StatusResponse{} }
func (m *StatusResponse) String() string { return proto.CompactTextString(m) }
func (*StatusResponse) ProtoMessage() {}
func (*StatusResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_fc08514fc6dadd29, []int{17}
}
func (m *StatusResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_StatusResponse.Unmarshal(m, b)
}
func (m *StatusResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_StatusResponse.Marshal(b, m, deterministic)
}
func (m *StatusResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_StatusResponse.Merge(m, src)
}
func (m *StatusResponse) XXX_Size() int {
return xxx_messageInfo_StatusResponse.Size(m)
}
func (m *StatusResponse) XXX_DiscardUnknown() {
xxx_messageInfo_StatusResponse.DiscardUnknown(m)
}
var xxx_messageInfo_StatusResponse proto.InternalMessageInfo
func (m *StatusResponse) GetStatus() *Status {
if m != nil {
return m.Status
}
return nil
}
func init() {
proto.RegisterEnum("go.micro.router.AdvertType", AdvertType_name, AdvertType_value)
proto.RegisterEnum("go.micro.router.EventType", EventType_name, EventType_value)
proto.RegisterType((*ListRequest)(nil), "go.micro.router.ListRequest")
proto.RegisterType((*Request)(nil), "go.micro.router.Request")
proto.RegisterType((*ListResponse)(nil), "go.micro.router.ListResponse")
proto.RegisterType((*LookupRequest)(nil), "go.micro.router.LookupRequest")
proto.RegisterType((*LookupResponse)(nil), "go.micro.router.LookupResponse")
proto.RegisterType((*QueryRequest)(nil), "go.micro.router.QueryRequest")
proto.RegisterType((*QueryResponse)(nil), "go.micro.router.QueryResponse")
proto.RegisterType((*WatchRequest)(nil), "go.micro.router.WatchRequest")
proto.RegisterType((*AdvertiseRequest)(nil), "go.micro.router.AdvertiseRequest")
proto.RegisterType((*Advert)(nil), "go.micro.router.Advert")
@ -717,47 +885,513 @@ func init() {
proto.RegisterType((*Event)(nil), "go.micro.router.Event")
proto.RegisterType((*Query)(nil), "go.micro.router.Query")
proto.RegisterType((*Route)(nil), "go.micro.router.Route")
proto.RegisterType((*Status)(nil), "go.micro.router.Status")
proto.RegisterType((*StatusResponse)(nil), "go.micro.router.StatusResponse")
}
func init() { proto.RegisterFile("router.proto", fileDescriptor_367072455c71aedc) }
var fileDescriptor_367072455c71aedc = []byte{
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func init() {
proto.RegisterFile("go-micro/network/router/proto/router.proto", fileDescriptor_fc08514fc6dadd29)
}
var fileDescriptor_fc08514fc6dadd29 = []byte{
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0xfe, 0x1f, 0x00, 0x00, 0xff, 0xff, 0xa6, 0xfc, 0x65, 0xca, 0xde, 0x07, 0x00, 0x00,
}
// Reference imports to suppress errors if they are not otherwise used.
var _ context.Context
var _ grpc.ClientConn
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion4
// RouterClient is the client API for Router service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type RouterClient interface {
Lookup(ctx context.Context, in *LookupRequest, opts ...grpc.CallOption) (*LookupResponse, error)
Watch(ctx context.Context, in *WatchRequest, opts ...grpc.CallOption) (Router_WatchClient, error)
Advertise(ctx context.Context, in *AdvertiseRequest, opts ...grpc.CallOption) (Router_AdvertiseClient, error)
Process(ctx context.Context, in *Advert, opts ...grpc.CallOption) (*ProcessResponse, error)
Status(ctx context.Context, in *Request, opts ...grpc.CallOption) (*StatusResponse, error)
}
type routerClient struct {
cc *grpc.ClientConn
}
func NewRouterClient(cc *grpc.ClientConn) RouterClient {
return &routerClient{cc}
}
func (c *routerClient) Lookup(ctx context.Context, in *LookupRequest, opts ...grpc.CallOption) (*LookupResponse, error) {
out := new(LookupResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Router/Lookup", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *routerClient) Watch(ctx context.Context, in *WatchRequest, opts ...grpc.CallOption) (Router_WatchClient, error) {
stream, err := c.cc.NewStream(ctx, &_Router_serviceDesc.Streams[0], "/go.micro.router.Router/Watch", opts...)
if err != nil {
return nil, err
}
x := &routerWatchClient{stream}
if err := x.ClientStream.SendMsg(in); err != nil {
return nil, err
}
if err := x.ClientStream.CloseSend(); err != nil {
return nil, err
}
return x, nil
}
type Router_WatchClient interface {
Recv() (*Event, error)
grpc.ClientStream
}
type routerWatchClient struct {
grpc.ClientStream
}
func (x *routerWatchClient) Recv() (*Event, error) {
m := new(Event)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func (c *routerClient) Advertise(ctx context.Context, in *AdvertiseRequest, opts ...grpc.CallOption) (Router_AdvertiseClient, error) {
stream, err := c.cc.NewStream(ctx, &_Router_serviceDesc.Streams[1], "/go.micro.router.Router/Advertise", opts...)
if err != nil {
return nil, err
}
x := &routerAdvertiseClient{stream}
if err := x.ClientStream.SendMsg(in); err != nil {
return nil, err
}
if err := x.ClientStream.CloseSend(); err != nil {
return nil, err
}
return x, nil
}
type Router_AdvertiseClient interface {
Recv() (*Advert, error)
grpc.ClientStream
}
type routerAdvertiseClient struct {
grpc.ClientStream
}
func (x *routerAdvertiseClient) Recv() (*Advert, error) {
m := new(Advert)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func (c *routerClient) Process(ctx context.Context, in *Advert, opts ...grpc.CallOption) (*ProcessResponse, error) {
out := new(ProcessResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Router/Process", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *routerClient) Status(ctx context.Context, in *Request, opts ...grpc.CallOption) (*StatusResponse, error) {
out := new(StatusResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Router/Status", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// RouterServer is the server API for Router service.
type RouterServer interface {
Lookup(context.Context, *LookupRequest) (*LookupResponse, error)
Watch(*WatchRequest, Router_WatchServer) error
Advertise(*AdvertiseRequest, Router_AdvertiseServer) error
Process(context.Context, *Advert) (*ProcessResponse, error)
Status(context.Context, *Request) (*StatusResponse, error)
}
func RegisterRouterServer(s *grpc.Server, srv RouterServer) {
s.RegisterService(&_Router_serviceDesc, srv)
}
func _Router_Lookup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(LookupRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(RouterServer).Lookup(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Router/Lookup",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RouterServer).Lookup(ctx, req.(*LookupRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Router_Watch_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(WatchRequest)
if err := stream.RecvMsg(m); err != nil {
return err
}
return srv.(RouterServer).Watch(m, &routerWatchServer{stream})
}
type Router_WatchServer interface {
Send(*Event) error
grpc.ServerStream
}
type routerWatchServer struct {
grpc.ServerStream
}
func (x *routerWatchServer) Send(m *Event) error {
return x.ServerStream.SendMsg(m)
}
func _Router_Advertise_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(AdvertiseRequest)
if err := stream.RecvMsg(m); err != nil {
return err
}
return srv.(RouterServer).Advertise(m, &routerAdvertiseServer{stream})
}
type Router_AdvertiseServer interface {
Send(*Advert) error
grpc.ServerStream
}
type routerAdvertiseServer struct {
grpc.ServerStream
}
func (x *routerAdvertiseServer) Send(m *Advert) error {
return x.ServerStream.SendMsg(m)
}
func _Router_Process_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Advert)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(RouterServer).Process(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Router/Process",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RouterServer).Process(ctx, req.(*Advert))
}
return interceptor(ctx, in, info, handler)
}
func _Router_Status_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.(RouterServer).Status(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Router/Status",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RouterServer).Status(ctx, req.(*Request))
}
return interceptor(ctx, in, info, handler)
}
var _Router_serviceDesc = grpc.ServiceDesc{
ServiceName: "go.micro.router.Router",
HandlerType: (*RouterServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "Lookup",
Handler: _Router_Lookup_Handler,
},
{
MethodName: "Process",
Handler: _Router_Process_Handler,
},
{
MethodName: "Status",
Handler: _Router_Status_Handler,
},
},
Streams: []grpc.StreamDesc{
{
StreamName: "Watch",
Handler: _Router_Watch_Handler,
ServerStreams: true,
},
{
StreamName: "Advertise",
Handler: _Router_Advertise_Handler,
ServerStreams: true,
},
},
Metadata: "go-micro/network/router/proto/router.proto",
}
// TableClient is the client API for Table service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type TableClient interface {
Create(ctx context.Context, in *Route, opts ...grpc.CallOption) (*CreateResponse, error)
Delete(ctx context.Context, in *Route, opts ...grpc.CallOption) (*DeleteResponse, error)
Update(ctx context.Context, in *Route, opts ...grpc.CallOption) (*UpdateResponse, error)
Query(ctx context.Context, in *QueryRequest, opts ...grpc.CallOption) (*QueryResponse, error)
List(ctx context.Context, in *Request, opts ...grpc.CallOption) (*ListResponse, error)
}
type tableClient struct {
cc *grpc.ClientConn
}
func NewTableClient(cc *grpc.ClientConn) TableClient {
return &tableClient{cc}
}
func (c *tableClient) Create(ctx context.Context, in *Route, opts ...grpc.CallOption) (*CreateResponse, error) {
out := new(CreateResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Table/Create", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableClient) Delete(ctx context.Context, in *Route, opts ...grpc.CallOption) (*DeleteResponse, error) {
out := new(DeleteResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Table/Delete", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableClient) Update(ctx context.Context, in *Route, opts ...grpc.CallOption) (*UpdateResponse, error) {
out := new(UpdateResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Table/Update", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableClient) Query(ctx context.Context, in *QueryRequest, opts ...grpc.CallOption) (*QueryResponse, error) {
out := new(QueryResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Table/Query", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableClient) List(ctx context.Context, in *Request, opts ...grpc.CallOption) (*ListResponse, error) {
out := new(ListResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Table/List", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// TableServer is the server API for Table service.
type TableServer interface {
Create(context.Context, *Route) (*CreateResponse, error)
Delete(context.Context, *Route) (*DeleteResponse, error)
Update(context.Context, *Route) (*UpdateResponse, error)
Query(context.Context, *QueryRequest) (*QueryResponse, error)
List(context.Context, *Request) (*ListResponse, error)
}
func RegisterTableServer(s *grpc.Server, srv TableServer) {
s.RegisterService(&_Table_serviceDesc, srv)
}
func _Table_Create_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Route)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(TableServer).Create(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Table/Create",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TableServer).Create(ctx, req.(*Route))
}
return interceptor(ctx, in, info, handler)
}
func _Table_Delete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Route)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(TableServer).Delete(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Table/Delete",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TableServer).Delete(ctx, req.(*Route))
}
return interceptor(ctx, in, info, handler)
}
func _Table_Update_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Route)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(TableServer).Update(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Table/Update",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TableServer).Update(ctx, req.(*Route))
}
return interceptor(ctx, in, info, handler)
}
func _Table_Query_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(QueryRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(TableServer).Query(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Table/Query",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TableServer).Query(ctx, req.(*QueryRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Table_List_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.(TableServer).List(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Table/List",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TableServer).List(ctx, req.(*Request))
}
return interceptor(ctx, in, info, handler)
}
var _Table_serviceDesc = grpc.ServiceDesc{
ServiceName: "go.micro.router.Table",
HandlerType: (*TableServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "Create",
Handler: _Table_Create_Handler,
},
{
MethodName: "Delete",
Handler: _Table_Delete_Handler,
},
{
MethodName: "Update",
Handler: _Table_Update_Handler,
},
{
MethodName: "Query",
Handler: _Table_Query_Handler,
},
{
MethodName: "List",
Handler: _Table_List_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "go-micro/network/router/proto/router.proto",
}

39
network/router/proto/router.proto
View File

@ -4,18 +4,23 @@ package go.micro.router;
// Router service is used by the proxy to lookup routes
service Router {
rpc List(ListRequest) returns (ListResponse) {};
rpc Lookup(LookupRequest) returns (LookupResponse) {};
rpc Watch(WatchRequest) returns (stream Event) {};
rpc Advertise(AdvertiseRequest) returns (stream Advert) {};
rpc Advertise(Request) returns (stream Advert) {};
rpc Process(Advert) returns (ProcessResponse) {};
rpc Create(Route) returns (CreateResponse) {};
rpc Delete(Route) returns (DeleteResponse) {};
rpc Update(Route) returns (UpdateResponse) {};
rpc Status(Request) returns (StatusResponse) {};
}
// ListRequest is made to List routes
message ListRequest {}
service Table {
rpc Create(Route) returns (CreateResponse) {};
rpc Delete(Route) returns (DeleteResponse) {};
rpc Update(Route) returns (UpdateResponse) {};
rpc List(Request) returns (ListResponse) {};
rpc Query(QueryRequest) returns (QueryResponse) {};
}
// Empty request
message Request {}
// ListResponse is returned by List
message ListResponse {
@ -32,12 +37,17 @@ message LookupResponse {
repeated Route routes = 1;
}
message QueryRequest{
Query query = 1;
}
message QueryResponse {
repeated Route routes = 1;
}
// WatchRequest is made to Watch Router
message WatchRequest {}
// AdvertiseRequest request a stream of Adverts
message AdvertiseRequest {}
// AdvertType defines the type of advert
enum AdvertType {
AdvertAnnounce = 0;
@ -112,3 +122,12 @@ message Route {
// the metric / score of this route
int64 metric = 6;
}
message Status {
string code = 1;
string error = 2;
}
message StatusResponse {
Status status = 1;
}

15
network/router/router.go
View File

@ -11,6 +11,8 @@ type Router interface {
Init(...Option) error
// Options returns the router options
Options() Options
// The routing table
Table() Table
// Advertise advertises routes to the network
Advertise() (<-chan *Advert, error)
// Process processes incoming adverts
@ -27,6 +29,19 @@ type Router interface {
String() string
}
type Table interface {
// Create new route in the routing table
Create(Route) error
// Delete deletes existing route from the routing table
Delete(Route) error
// Update updates route in the routing table
Update(Route) error
// List returns the list of all routes in the table
List() ([]Route, error)
// Query queries routes in the routing table
Query(Query) ([]Route, error)
}
// Option used by the router
type Option func(*Options)

399
network/router/service/service.go
View File

@ -2,12 +2,12 @@ package service
import (
"context"
"errors"
"fmt"
"io"
"sync"
"time"
"github.com/google/uuid"
"github.com/micro/go-micro/client"
"github.com/micro/go-micro/network/router"
pb "github.com/micro/go-micro/network/router/proto"
@ -16,13 +16,13 @@ import (
type svc struct {
sync.RWMutex
opts router.Options
callOpts []client.CallOption
router pb.RouterService
status router.Status
watchers map[string]*svcWatcher
exit chan struct{}
table *table
status *router.Status
exit chan bool
errChan chan error
advertChan chan *router.Advert
wg *sync.WaitGroup
}
// NewRouter creates new service router and returns it
@ -36,18 +36,27 @@ func NewRouter(opts ...router.Option) router.Router {
}
// NOTE: might need some client opts here
client := client.DefaultClient
cli := client.DefaultClient
// set options client
if options.Client != nil {
cli = options.Client
}
// NOTE: should we have Client/Service option in router.Options?
s := &svc{
opts: options,
router: pb.NewRouterService(router.DefaultName, client),
status: router.Status{Code: router.Stopped, Error: nil},
watchers: make(map[string]*svcWatcher),
wg: &sync.WaitGroup{},
opts: options,
router: pb.NewRouterService(router.DefaultName, cli),
}
go s.run()
// set the router address to call
if len(options.Address) > 0 {
s.callOpts = []client.CallOption{
client.WithAddress(options.Address),
}
}
// set the table
s.table = &table{pb.NewTableService(router.DefaultName, cli), s.callOpts}
return s
}
@ -65,128 +74,12 @@ func (s *svc) Options() router.Options {
return s.opts
}
// watchRouter watches router and send events to all registered watchers
func (s *svc) watchRouter(stream pb.Router_WatchService) error {
s.wg.Add(1)
func (s *svc) Table() router.Table {
return s.table
}
func (s *svc) advertiseEvents(advertChan chan *router.Advert, stream pb.Router_AdvertiseService) error {
go func() {
defer s.wg.Done()
<-s.exit
stream.Close()
}()
var watchErr error
for {
resp, err := stream.Recv()
if err != nil {
if err != io.EOF {
watchErr = err
}
break
}
route := router.Route{
Service: resp.Route.Service,
Address: resp.Route.Address,
Gateway: resp.Route.Gateway,
Network: resp.Route.Network,
Link: resp.Route.Link,
Metric: int(resp.Route.Metric),
}
event := &router.Event{
Type: router.EventType(resp.Type),
Timestamp: time.Unix(0, resp.Timestamp),
Route: route,
}
// TODO: might make this non-blocking
s.RLock()
for _, w := range s.watchers {
select {
case w.resChan <- event:
case <-w.done:
}
}
s.RUnlock()
}
return watchErr
}
// watchErrors watches router errors and takes appropriate actions
func (s *svc) watchErrors() {
var err error
select {
case <-s.exit:
case err = <-s.errChan:
}
s.Lock()
defer s.Unlock()
if s.status.Code != router.Stopped {
// notify all goroutines to finish
close(s.exit)
if s.status.Code == router.Advertising {
// drain the advertise channel
for range s.advertChan {
}
}
s.status = router.Status{Code: router.Stopped, Error: nil}
}
if err != nil {
s.status = router.Status{Code: router.Error, Error: err}
}
}
// Run runs the router.
func (s *svc) run() {
s.Lock()
defer s.Unlock()
switch s.status.Code {
case router.Stopped, router.Error:
stream, err := s.router.Watch(context.Background(), &pb.WatchRequest{})
if err != nil {
s.status = router.Status{Code: router.Error, Error: fmt.Errorf("failed getting event stream: %s", err)}
return
}
// create error and exit channels
s.errChan = make(chan error, 1)
s.exit = make(chan struct{})
s.wg.Add(1)
go func() {
defer s.wg.Done()
select {
case s.errChan <- s.watchRouter(stream):
case <-s.exit:
}
}()
// watch for errors and cleanup
s.wg.Add(1)
go func() {
defer s.wg.Done()
s.watchErrors()
}()
// mark router as Running and set its Error to nil
s.status = router.Status{Code: router.Running, Error: nil}
return
}
return
}
func (s *svc) advertiseEvents(stream pb.Router_AdvertiseService) error {
s.wg.Add(1)
go func() {
defer s.wg.Done()
<-s.exit
stream.Close()
}()
@ -229,15 +122,15 @@ func (s *svc) advertiseEvents(stream pb.Router_AdvertiseService) error {
}
select {
case s.advertChan <- advert:
case advertChan <- advert:
case <-s.exit:
close(s.advertChan)
close(advertChan)
return nil
}
}
// close the channel on exit
close(s.advertChan)
close(advertChan)
return advErr
}
@ -247,33 +140,29 @@ func (s *svc) Advertise() (<-chan *router.Advert, error) {
s.Lock()
defer s.Unlock()
switch s.status.Code {
case router.Advertising:
return s.advertChan, nil
case router.Running:
stream, err := s.router.Advertise(context.Background(), &pb.AdvertiseRequest{})
// get the status
status := s.Status()
switch status.Code {
case router.Running, router.Advertising:
stream, err := s.router.Advertise(context.Background(), &pb.AdvertiseRequest{}, s.callOpts...)
if err != nil {
return nil, fmt.Errorf("failed getting advert stream: %s", err)
}
// create advertise and event channels
s.advertChan = make(chan *router.Advert)
s.wg.Add(1)
go func() {
defer s.wg.Done()
select {
case s.errChan <- s.advertiseEvents(stream):
case <-s.exit:
}
}()
// mark router as Running and set its Error to nil
s.status = router.Status{Code: router.Advertising, Error: nil}
return s.advertChan, nil
advertChan := make(chan *router.Advert)
go s.advertiseEvents(advertChan, stream)
return advertChan, nil
case router.Stopped:
return nil, fmt.Errorf("not running")
// check if our router is stopped
select {
case <-s.exit:
s.exit = make(chan bool)
// call advertise again
return s.Advertise()
default:
return nil, fmt.Errorf("not running")
}
}
return nil, fmt.Errorf("error: %s", s.status.Error)
@ -306,87 +195,75 @@ func (s *svc) Process(advert *router.Advert) error {
Events: events,
}
if _, err := s.router.Process(context.Background(), advertReq); err != nil {
if _, err := s.router.Process(context.Background(), advertReq, s.callOpts...); err != nil {
return err
}
return nil
}
// Create new route in the routing table
func (s *svc) Create(r router.Route) error {
route := &pb.Route{
Service: r.Service,
Address: r.Address,
Gateway: r.Gateway,
Network: r.Network,
Link: r.Link,
Metric: int64(r.Metric),
// Status returns router status
func (s *svc) Status() router.Status {
s.Lock()
defer s.Unlock()
// check if its stopped
select {
case <-s.exit:
return router.Status{
Code: router.Stopped,
Error: nil,
}
default:
// don't block
}
if _, err := s.router.Create(context.Background(), route); err != nil {
return err
}
return nil
}
// Delete deletes existing route from the routing table
func (s *svc) Delete(r router.Route) error {
route := &pb.Route{
Service: r.Service,
Address: r.Address,
Gateway: r.Gateway,
Network: r.Network,
Link: r.Link,
Metric: int64(r.Metric),
}
if _, err := s.router.Delete(context.Background(), route); err != nil {
return err
}
return nil
}
// Update updates route in the routing table
func (s *svc) Update(r router.Route) error {
route := &pb.Route{
Service: r.Service,
Address: r.Address,
Gateway: r.Gateway,
Network: r.Network,
Link: r.Link,
Metric: int64(r.Metric),
}
if _, err := s.router.Update(context.Background(), route); err != nil {
return err
}
return nil
}
// List returns the list of all routes in the table
func (s *svc) List() ([]router.Route, error) {
resp, err := s.router.List(context.Background(), &pb.ListRequest{})
// check the remote router
rsp, err := s.router.Status(context.Background(), &pb.Request{}, s.callOpts...)
if err != nil {
return nil, err
}
routes := make([]router.Route, len(resp.Routes))
for i, route := range resp.Routes {
routes[i] = router.Route{
Service: route.Service,
Address: route.Address,
Gateway: route.Gateway,
Network: route.Network,
Link: route.Link,
Metric: int(route.Metric),
return router.Status{
Code: router.Error,
Error: err,
}
}
return routes, nil
code := router.Running
var serr error
switch rsp.Status.Code {
case "running":
code = router.Running
case "advertising":
code = router.Advertising
case "stopped":
code = router.Stopped
case "error":
code = router.Error
}
if len(rsp.Status.Error) > 0 {
serr = errors.New(rsp.Status.Error)
}
return router.Status{
Code: code,
Error: serr,
}
}
// Remote router cannot be stopped
func (s *svc) Stop() error {
s.Lock()
defer s.Unlock()
select {
case <-s.exit:
return nil
default:
close(s.exit)
}
return nil
}
// Lookup looks up routes in the routing table and returns them
@ -398,7 +275,7 @@ func (s *svc) Lookup(q router.Query) ([]router.Route, error) {
Gateway: q.Options().Gateway,
Network: q.Options().Network,
},
})
}, s.callOpts...)
// errored out
if err != nil {
@ -422,69 +299,15 @@ func (s *svc) Lookup(q router.Query) ([]router.Route, error) {
// Watch returns a watcher which allows to track updates to the routing table
func (s *svc) Watch(opts ...router.WatchOption) (router.Watcher, error) {
wopts := router.WatchOptions{
Service: "*",
rsp, err := s.router.Watch(context.Background(), &pb.WatchRequest{}, s.callOpts...)
if err != nil {
return nil, err
}
var options router.WatchOptions
for _, o := range opts {
o(&wopts)
o(&options)
}
w := &svcWatcher{
opts: wopts,
resChan: make(chan *router.Event, 10),
done: make(chan struct{}),
}
s.Lock()
s.watchers[uuid.New().String()] = w
s.Unlock()
// when the router stops, stop the watcher and exit
s.wg.Add(1)
go func() {
defer s.wg.Done()
<-s.exit
w.Stop()
}()
return w, nil
}
// Status returns router status
func (s *svc) Status() router.Status {
s.RLock()
defer s.RUnlock()
// make a copy of the status
status := s.status
return status
}
// Stop stops the router
func (s *svc) Stop() error {
s.Lock()
// only close the channel if the router is running and/or advertising
if s.status.Code == router.Running || s.status.Code == router.Advertising {
// notify all goroutines to finish
close(s.exit)
// drain the advertise channel only if advertising
if s.status.Code == router.Advertising {
for range s.advertChan {
}
}
// mark the router as Stopped and set its Error to nil
s.status = router.Status{Code: router.Stopped, Error: nil}
}
s.Unlock()
// wait for all goroutines to finish
s.wg.Wait()
return nil
return newWatcher(rsp, options)
}
// Returns the router implementation

121
network/router/service/table.go Normal file
View File

@ -0,0 +1,121 @@
package service
import (
"context"
"github.com/micro/go-micro/client"
"github.com/micro/go-micro/network/router"
pb "github.com/micro/go-micro/network/router/proto"
)
type table struct {
table pb.TableService
callOpts []client.CallOption
}
// Create new route in the routing table
func (t *table) Create(r router.Route) error {
route := &pb.Route{
Service: r.Service,
Address: r.Address,
Gateway: r.Gateway,
Network: r.Network,
Link: r.Link,
Metric: int64(r.Metric),
}
if _, err := t.table.Create(context.Background(), route, t.callOpts...); err != nil {
return err
}
return nil
}
// Delete deletes existing route from the routing table
func (t *table) Delete(r router.Route) error {
route := &pb.Route{
Service: r.Service,
Address: r.Address,
Gateway: r.Gateway,
Network: r.Network,
Link: r.Link,
Metric: int64(r.Metric),
}
if _, err := t.table.Delete(context.Background(), route, t.callOpts...); err != nil {
return err
}
return nil
}
// Update updates route in the routing table
func (t *table) Update(r router.Route) error {
route := &pb.Route{
Service: r.Service,
Address: r.Address,
Gateway: r.Gateway,
Network: r.Network,
Link: r.Link,
Metric: int64(r.Metric),
}
if _, err := t.table.Update(context.Background(), route, t.callOpts...); err != nil {
return err
}
return nil
}
// List returns the list of all routes in the table
func (t *table) List() ([]router.Route, error) {
resp, err := t.table.List(context.Background(), &pb.Request{}, t.callOpts...)
if err != nil {
return nil, err
}
routes := make([]router.Route, len(resp.Routes))
for i, route := range resp.Routes {
routes[i] = router.Route{
Service: route.Service,
Address: route.Address,
Gateway: route.Gateway,
Network: route.Network,
Link: route.Link,
Metric: int(route.Metric),
}
}
return routes, nil
}
// Lookup looks up routes in the routing table and returns them
func (t *table) Query(q router.Query) ([]router.Route, error) {
// call the router
resp, err := t.table.Query(context.Background(), &pb.QueryRequest{
Query: &pb.Query{
Service: q.Options().Service,
Gateway: q.Options().Gateway,
Network: q.Options().Network,
},
}, t.callOpts...)
// errored out
if err != nil {
return nil, err
}
routes := make([]router.Route, len(resp.Routes))
for i, route := range resp.Routes {
routes[i] = router.Route{
Service: route.Service,
Address: route.Address,
Gateway: route.Gateway,
Network: route.Network,
Link: route.Link,
Metric: int(route.Metric),
}
}
return routes, nil
}

76
network/router/service/watcher.go
View File

@ -1,20 +1,88 @@
package service
import (
"io"
"sync"
"time"
"github.com/micro/go-micro/network/router"
pb "github.com/micro/go-micro/network/router/proto"
)
type svcWatcher struct {
type watcher struct {
sync.RWMutex
opts router.WatchOptions
resChan chan *router.Event
done chan struct{}
}
func newWatcher(rsp pb.Router_WatchService, opts router.WatchOptions) (*watcher, error) {
w := &watcher{
opts: opts,
resChan: make(chan *router.Event),
done: make(chan struct{}),
}
go func() {
for {
select {
case <-w.done:
return
default:
if err := w.watch(rsp); err != nil {
w.Stop()
return
}
}
}
}()
return w, nil
}
// watchRouter watches router and send events to all registered watchers
func (w *watcher) watch(stream pb.Router_WatchService) error {
defer stream.Close()
var watchErr error
for {
resp, err := stream.Recv()
if err != nil {
if err != io.EOF {
watchErr = err
}
break
}
route := router.Route{
Service: resp.Route.Service,
Address: resp.Route.Address,
Gateway: resp.Route.Gateway,
Network: resp.Route.Network,
Link: resp.Route.Link,
Metric: int(resp.Route.Metric),
}
event := &router.Event{
Type: router.EventType(resp.Type),
Timestamp: time.Unix(0, resp.Timestamp),
Route: route,
}
for {
select {
case w.resChan <- event:
case <-w.done:
}
}
}
return watchErr
}
// Next is a blocking call that returns watch result
func (w *svcWatcher) Next() (*router.Event, error) {
func (w *watcher) Next() (*router.Event, error) {
for {
select {
case res := <-w.resChan:
@ -31,12 +99,12 @@ func (w *svcWatcher) Next() (*router.Event, error) {
}
// Chan returns event channel
func (w *svcWatcher) Chan() (<-chan *router.Event, error) {
func (w *watcher) Chan() (<-chan *router.Event, error) {
return w.resChan, nil
}
// Stop stops watcher
func (w *svcWatcher) Stop() {
func (w *watcher) Stop() {
w.Lock()
defer w.Unlock()

2
network/router/table.go
View File

@ -128,7 +128,7 @@ func findRoutes(routes map[uint64]Route, network, router string) []Route {
}
// Lookup queries routing table and returns all routes that match the lookup query
func (t *table) Lookup(q Query) ([]Route, error) {
func (t *table) Query(q Query) ([]Route, error) {
t.RLock()
defer t.RUnlock()

12
network/router/table_test.go
View File

@ -103,7 +103,7 @@ func TestList(t *testing.T) {
}
}
func TestLookup(t *testing.T) {
func TestQuery(t *testing.T) {
table, route := testSetup()
svc := []string{"svc1", "svc2", "svc3"}
@ -122,7 +122,7 @@ func TestLookup(t *testing.T) {
// return all routes
query := NewQuery()
routes, err := table.Lookup(query)
routes, err := table.Query(query)
if err != nil {
t.Errorf("error looking up routes: %s", err)
}
@ -130,7 +130,7 @@ func TestLookup(t *testing.T) {
// query particular net
query = NewQuery(QueryNetwork("net1"))
routes, err = table.Lookup(query)
routes, err = table.Query(query)
if err != nil {
t.Errorf("error looking up routes: %s", err)
}
@ -143,7 +143,7 @@ func TestLookup(t *testing.T) {
gateway := "gw1"
query = NewQuery(QueryGateway(gateway))
routes, err = table.Lookup(query)
routes, err = table.Query(query)
if err != nil {
t.Errorf("error looking up routes: %s", err)
}
@ -163,7 +163,7 @@ func TestLookup(t *testing.T) {
QueryNetwork(network),
)
routes, err = table.Lookup(query)
routes, err = table.Query(query)
if err != nil {
t.Errorf("error looking up routes: %s", err)
}
@ -183,7 +183,7 @@ func TestLookup(t *testing.T) {
// bullshit route query
query = NewQuery(QueryService("foobar"))
routes, err = table.Lookup(query)
routes, err = table.Query(query)
if err != ErrRouteNotFound {
t.Errorf("error looking up routes. Expected: %s, found: %s", ErrRouteNotFound, err)
}