Migrate multiplex and UoT server to inbound & Add tcp-brutal support for multiplex

common/mux/v2ray_legacy.go

@@ -0,0 +1,32 @@
+package mux
+
+import (
+	"context"
+	"net"
+
+	"github.com/sagernet/sing-box/adapter"
+	vmess "github.com/sagernet/sing-vmess"
+	"github.com/sagernet/sing/common/logger"
+	N "github.com/sagernet/sing/common/network"
+)
+
+type V2RayLegacyRouter struct {
+	router adapter.ConnectionRouter
+	logger logger.ContextLogger
+}
+
+func NewV2RayLegacyRouter(router adapter.ConnectionRouter, logger logger.ContextLogger) adapter.ConnectionRouter {
+	return &V2RayLegacyRouter{router, logger}
+}
+
+func (r *V2RayLegacyRouter) RouteConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
+	if metadata.Destination.Fqdn == vmess.MuxDestination.Fqdn {
+		r.logger.InfoContext(ctx, "inbound legacy multiplex connection")
+		return vmess.HandleMuxConnection(ctx, conn, adapter.NewRouteHandler(metadata, r.router, r.logger))
+	}
+	return r.router.RouteConnection(ctx, conn, metadata)
+}
+
+func (r *V2RayLegacyRouter) RoutePacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
+	return r.router.RoutePacketConnection(ctx, conn, metadata)
+}