refactor: Modular network manager

adapter/network.go

@@ -0,0 +1,23 @@
+package adapter
+
+import (
+	"github.com/sagernet/sing-tun"
+	"github.com/sagernet/sing/common/control"
+)
+
+type NetworkManager interface {
+	NewService
+	InterfaceFinder() control.InterfaceFinder
+	UpdateInterfaces() error
+	DefaultInterface() string
+	AutoDetectInterface() bool
+	AutoDetectInterfaceFunc() control.Func
+	DefaultMark() uint32
+	RegisterAutoRedirectOutputMark(mark uint32) error
+	AutoRedirectOutputMark() uint32
+	NetworkMonitor() tun.NetworkUpdateMonitor
+	InterfaceMonitor() tun.DefaultInterfaceMonitor
+	PackageManager() tun.PackageManager
+	WIFIState() WIFIState
+	ResetNetwork()
+}