Xray-core/features/routing/router.go

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2020-11-25 13:01:53 +02:00
package routing
import (
"github.com/xtls/xray-core/v1/common"
"github.com/xtls/xray-core/v1/features"
)
// Router is a feature to choose an outbound tag for the given request.
//
// xray:api:stable
type Router interface {
features.Feature
// PickRoute returns a route decision based on the given routing context.
PickRoute(ctx Context) (Route, error)
}
// Route is the routing result of Router feature.
//
// xray:api:stable
type Route interface {
// A Route is also a routing context.
Context
// GetOutboundGroupTags returns the detoured outbound group tags in sequence before a final outbound is chosen.
GetOutboundGroupTags() []string
// GetOutboundTag returns the tag of the outbound the connection was dispatched to.
GetOutboundTag() string
}
// RouterType return the type of Router interface. Can be used to implement common.HasType.
//
// xray:api:stable
func RouterType() interface{} {
return (*Router)(nil)
}
// DefaultRouter is an implementation of Router, which always returns ErrNoClue for routing decisions.
type DefaultRouter struct{}
// Type implements common.HasType.
func (DefaultRouter) Type() interface{} {
return RouterType()
}
// PickRoute implements Router.
func (DefaultRouter) PickRoute(ctx Context) (Route, error) {
return nil, common.ErrNoClue
}
// Start implements common.Runnable.
func (DefaultRouter) Start() error {
return nil
}
// Close implements common.Closable.
func (DefaultRouter) Close() error {
return nil
}