mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-24 09:31:29 +00:00
100 lines
2.8 KiB
Go
100 lines
2.8 KiB
Go
package command
|
|
|
|
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"google.golang.org/grpc"
|
|
|
|
"github.com/xtls/xray-core/common"
|
|
"github.com/xtls/xray-core/core"
|
|
"github.com/xtls/xray-core/features/routing"
|
|
"github.com/xtls/xray-core/features/stats"
|
|
)
|
|
|
|
// routingServer is an implementation of RoutingService.
|
|
type routingServer struct {
|
|
router routing.Router
|
|
routingStats stats.Channel
|
|
}
|
|
|
|
// NewRoutingServer creates a statistics service with statistics manager.
|
|
func NewRoutingServer(router routing.Router, routingStats stats.Channel) RoutingServiceServer {
|
|
return &routingServer{
|
|
router: router,
|
|
routingStats: routingStats,
|
|
}
|
|
}
|
|
|
|
func (s *routingServer) TestRoute(ctx context.Context, request *TestRouteRequest) (*RoutingContext, error) {
|
|
if request.RoutingContext == nil {
|
|
return nil, newError("Invalid routing request.")
|
|
}
|
|
route, err := s.router.PickRoute(AsRoutingContext(request.RoutingContext))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if request.PublishResult && s.routingStats != nil {
|
|
ctx, _ := context.WithTimeout(context.Background(), 4*time.Second)
|
|
s.routingStats.Publish(ctx, route)
|
|
}
|
|
return AsProtobufMessage(request.FieldSelectors)(route), nil
|
|
}
|
|
|
|
func (s *routingServer) SubscribeRoutingStats(request *SubscribeRoutingStatsRequest, stream RoutingService_SubscribeRoutingStatsServer) error {
|
|
if s.routingStats == nil {
|
|
return newError("Routing statistics not enabled.")
|
|
}
|
|
genMessage := AsProtobufMessage(request.FieldSelectors)
|
|
subscriber, err := stats.SubscribeRunnableChannel(s.routingStats)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer stats.UnsubscribeClosableChannel(s.routingStats, subscriber)
|
|
for {
|
|
select {
|
|
case value, ok := <-subscriber:
|
|
if !ok {
|
|
return newError("Upstream closed the subscriber channel.")
|
|
}
|
|
route, ok := value.(routing.Route)
|
|
if !ok {
|
|
return newError("Upstream sent malformed statistics.")
|
|
}
|
|
err := stream.Send(genMessage(route))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
case <-stream.Context().Done():
|
|
return stream.Context().Err()
|
|
}
|
|
}
|
|
}
|
|
|
|
func (s *routingServer) mustEmbedUnimplementedRoutingServiceServer() {}
|
|
|
|
type service struct {
|
|
v *core.Instance
|
|
}
|
|
|
|
func (s *service) Register(server *grpc.Server) {
|
|
common.Must(s.v.RequireFeatures(func(router routing.Router, stats stats.Manager) {
|
|
rs := NewRoutingServer(router, nil)
|
|
RegisterRoutingServiceServer(server, rs)
|
|
|
|
// For compatibility purposes
|
|
vCoreDesc := RoutingService_ServiceDesc
|
|
vCoreDesc.ServiceName = "v2ray.core.app.router.command.RoutingService"
|
|
server.RegisterService(&vCoreDesc, rs)
|
|
}))
|
|
}
|
|
|
|
func init() {
|
|
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
|
|
s := core.MustFromContext(ctx)
|
|
return &service{v: s}, nil
|
|
}))
|
|
}
|