add plugin system

registry/admission.go

@@ -1,6 +1,8 @@
 package registry
 
 import (
+	"context"
+
 	"github.com/go-gost/core/admission"
 )
 
@@ -28,10 +30,10 @@ type admissionWrapper struct {
 	r    *admissionRegistry
 }
 
-func (w *admissionWrapper) Admit(addr string) bool {
+func (w *admissionWrapper) Admit(ctx context.Context, addr string) bool {
 	p := w.r.get(w.name)
 	if p == nil {
 		return false
 	}
-	return p.Admit(addr)
+	return p.Admit(ctx, addr)
 }

registry/auther.go

@@ -1,6 +1,8 @@
 package registry
 
 import (
+	"context"
+
 	"github.com/go-gost/core/auth"
 )
 
@@ -28,10 +30,10 @@ type autherWrapper struct {
 	r    *autherRegistry
 }
 
-func (w *autherWrapper) Authenticate(user, password string) bool {
+func (w *autherWrapper) Authenticate(ctx context.Context, user, password string) bool {
 	v := w.r.get(w.name)
 	if v == nil {
 		return true
 	}
-	return v.Authenticate(user, password)
+	return v.Authenticate(ctx, user, password)
 }

registry/bypass.go

@@ -1,6 +1,8 @@
 package registry
 
 import (
+	"context"
+
 	"github.com/go-gost/core/bypass"
 )
 
@@ -28,10 +30,10 @@ type bypassWrapper struct {
 	r    *bypassRegistry
 }
 
-func (w *bypassWrapper) Contains(addr string) bool {
+func (w *bypassWrapper) Contains(ctx context.Context, addr string) bool {
 	bp := w.r.get(w.name)
 	if bp == nil {
 		return false
 	}
-	return bp.Contains(addr)
+	return bp.Contains(ctx, addr)
 }

registry/hosts.go

@@ -1,6 +1,7 @@
 package registry
 
 import (
+	"context"
 	"net"
 
 	"github.com/go-gost/core/hosts"
@@ -30,10 +31,10 @@ type hostsWrapper struct {
 	r    *hostsRegistry
 }
 
-func (w *hostsWrapper) Lookup(network, host string) ([]net.IP, bool) {
+func (w *hostsWrapper) Lookup(ctx context.Context, network, host string) ([]net.IP, bool) {
 	v := w.r.get(w.name)
 	if v == nil {
 		return nil, false
 	}
-	return v.Lookup(network, host)
+	return v.Lookup(ctx, network, host)
 }

registry/ingress.go

@@ -1,6 +1,8 @@
 package registry
 
 import (
+	"context"
+
 	"github.com/go-gost/core/ingress"
 )
 
@@ -28,10 +30,10 @@ type ingressWrapper struct {
 	r    *ingressRegistry
 }
 
-func (w *ingressWrapper) Get(host string) string {
+func (w *ingressWrapper) Get(ctx context.Context, host string) string {
 	v := w.r.get(w.name)
 	if v == nil {
 		return ""
 	}
-	return v.Get(host)
+	return v.Get(ctx, host)
 }