feat: share more code from android branch

component/dialer/patch_android.go

@@ -0,0 +1,39 @@
+// +build android
+
+package dialer
+
+import (
+	"context"
+	"net"
+	"net/netip"
+	"syscall"
+)
+
+type SocketControl func(network, address string, conn syscall.RawConn) error
+
+var DefaultSocketHook SocketControl
+
+func dialContextHooked(ctx context.Context, network string, destination netip.Addr, port string) (net.Conn, error) {
+	dialer := &net.Dialer{
+		Control: DefaultSocketHook,
+	}
+
+	conn, err := dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port))
+	if err != nil {
+		return nil, err
+	}
+
+	if t, ok := conn.(*net.TCPConn); ok {
+		t.SetKeepAlive(false)
+	}
+
+	return conn, nil
+}
+
+func listenPacketHooked(ctx context.Context, network, address string) (net.PacketConn, error) {
+	lc := &net.ListenConfig{
+		Control: DefaultSocketHook,
+	}
+
+	return lc.ListenPacket(ctx, network, address)
+}

component/mmdb/patch_android.go

@@ -0,0 +1,18 @@
+// +build android
+
+package mmdb
+
+import "github.com/oschwald/maxminddb-golang"
+
+func InstallOverride(override *maxminddb.Reader) {
+	newReader := Reader{Reader: override}
+	switch override.Metadata.DatabaseType {
+	case "sing-geoip":
+		reader.databaseType = typeSing
+	case "Meta-geoip0":
+		reader.databaseType = typeMetaV0
+	default:
+		reader.databaseType = typeMaxmind
+	}
+	reader = newReader
+}

component/process/patch_android.go

@@ -0,0 +1,16 @@
+// +build android
+
+package process
+
+import "github.com/metacubex/mihomo/constant"
+
+type PackageNameResolver func(metadata *constant.Metadata) (string, error)
+
+var DefaultPackageNameResolver PackageNameResolver
+
+func FindPackageName(metadata *constant.Metadata) (string, error) {
+	if resolver := DefaultPackageNameResolver; resolver != nil {
+		return resolver(metadata)
+	}
+	return "", ErrPlatformNotSupport
+}