Android: patch

component/dialer/dialer.go

@@ -70,6 +70,9 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 }
 
 func ListenPacket(ctx context.Context, network, address string, options ...Option) (net.PacketConn, error) {
+	if DefaultSocketHook != nil {
+		return listenPacketHooked(ctx, network, address)
+	}
 	cfg := applyOptions(options...)
 
 	lc := &net.ListenConfig{}
@@ -110,6 +113,9 @@ func GetTcpConcurrent() bool {
 }
 
 func dialContext(ctx context.Context, network string, destination netip.Addr, port string, opt *option) (net.Conn, error) {
+	if DefaultSocketHook != nil {
+		return dialContextHooked(ctx, network, destination, port)
+	}
 	address := net.JoinHostPort(destination.String(), port)
 
 	netDialer := opt.netDialer

component/dialer/patch.go

@@ -0,0 +1,47 @@
+package dialer
+
+import (
+	"context"
+	"net"
+	"net/netip"
+	"syscall"
+)
+
+type TunnelDialer func(context context.Context, network, address string) (net.Conn, error)
+type SocketControl func(network, address string, conn syscall.RawConn) error
+
+var DefaultTunnelDialer TunnelDialer
+var DefaultSocketHook SocketControl
+
+func DialTunnelContext(ctx context.Context, network, address string) (net.Conn, error) {
+	if dialer := DefaultTunnelDialer; dialer != nil {
+		return dialer(ctx, network, address)
+	}
+
+	return DialContext(ctx, network, address)
+}
+
+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/mmdb.go

@@ -54,7 +54,7 @@ func Verify() bool {
 	return err == nil
 }
 
-func Instance() Reader {
+func DefaultInstance() Reader {
 	once.Do(func() {
 		mmdbPath := C.Path.MMDB()
 		log.Debugln("Load MMDB file: %s", mmdbPath)

component/mmdb/patch.go

@@ -0,0 +1,31 @@
+package mmdb
+
+import (
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
+	"github.com/oschwald/geoip2-golang"
+	"github.com/oschwald/maxminddb-golang"
+)
+
+var overrideMmdb *geoip2.Reader
+
+func InstallOverride(override *geoip2.Reader) {
+	overrideMmdb = overrideMmdb
+}
+
+func Instance() Reader {
+	once.Do(func() {
+		mmdb, err := maxminddb.Open(C.Path.MMDB())
+		if err != nil {
+			log.Fatalln("Can't load mmdb: %s", err.Error())
+		}
+		reader = Reader{Reader: mmdb}
+		if mmdb.Metadata.DatabaseType == "sing-geoip" {
+			reader.databaseType = typeSing
+		} else {
+			reader.databaseType = typeMaxmind
+		}
+	})
+
+	return reader
+}

component/process/patch.go

@@ -0,0 +1,15 @@
+package process
+
+import "github.com/Dreamacro/clash/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
+}

component/resource/fetcher.go

@@ -13,6 +13,10 @@ import (
 	"github.com/samber/lo"
 )
 
+const (
+	minInterval = time.Minute * 5
+)
+
 var (
 	fileMode os.FileMode = 0o666
 	dirMode  os.FileMode = 0o755
@@ -24,8 +28,7 @@ type Fetcher[V any] struct {
 	resourceType string
 	name         string
 	vehicle      types.Vehicle
-	UpdatedAt    *time.Time
-	ticker       *time.Ticker
+	UpdatedAt    time.Time
 	done         chan struct{}
 	hash         [16]byte
 	parser       Parser[V]
@@ -56,7 +59,7 @@ func (f *Fetcher[V]) Initial() (V, error) {
 	if stat, fErr := os.Stat(f.vehicle.Path()); fErr == nil {
 		buf, err = os.ReadFile(f.vehicle.Path())
 		modTime := stat.ModTime()
-		f.UpdatedAt = &modTime
+		f.UpdatedAt = modTime
 		isLocal = true
 		if f.interval != 0 && modTime.Add(f.interval).Before(time.Now()) {
 			log.Warnln("[Provider] %s not updated for a long time, force refresh", f.Name())
@@ -64,6 +67,7 @@ func (f *Fetcher[V]) Initial() (V, error) {
 		}
 	} else {
 		buf, err = f.vehicle.Read()
+		f.UpdatedAt = time.Now()
 	}
 
 	if err != nil {
@@ -113,7 +117,7 @@ func (f *Fetcher[V]) Initial() (V, error) {
 	f.hash = md5.Sum(buf)
 
 	// pull contents automatically
-	if f.ticker != nil {
+	if f.interval > 0 {
 		go f.pullLoop()
 	}
 
@@ -129,7 +133,7 @@ func (f *Fetcher[V]) Update() (V, bool, error) {
 	now := time.Now()
 	hash := md5.Sum(buf)
 	if bytes.Equal(f.hash[:], hash[:]) {
-		f.UpdatedAt = &now
+		f.UpdatedAt = now
 		_ = os.Chtimes(f.vehicle.Path(), now, now)
 		return lo.Empty[V](), true, nil
 	}
@@ -145,23 +149,31 @@ func (f *Fetcher[V]) Update() (V, bool, error) {
 		}
 	}
 
-	f.UpdatedAt = &now
+	f.UpdatedAt = now
 	f.hash = hash
 
 	return contents, false, nil
 }
 
 func (f *Fetcher[V]) Destroy() error {
-	if f.ticker != nil {
+	if f.interval > 0 {
 		f.done <- struct{}{}
 	}
 	return nil
 }
 
 func (f *Fetcher[V]) pullLoop() {
+	initialInterval := f.interval - time.Since(f.UpdatedAt)
+	if initialInterval < minInterval {
+		initialInterval = minInterval
+	}
+
+	timer := time.NewTimer(initialInterval)
+	defer timer.Stop()
 	for {
 		select {
-		case <-f.ticker.C:
+		case <-timer.C:
+			timer.Reset(f.interval)
 			elm, same, err := f.Update()
 			if err != nil {
 				log.Errorln("[Provider] %s pull error: %s", f.Name(), err.Error())
@@ -178,7 +190,6 @@ func (f *Fetcher[V]) pullLoop() {
 				f.OnUpdate(elm)
 			}
 		case <-f.done:
-			f.ticker.Stop()
 			return
 		}
 	}
@@ -197,17 +208,12 @@ func safeWrite(path string, buf []byte) error {
 }
 
 func NewFetcher[V any](name string, interval time.Duration, vehicle types.Vehicle, parser Parser[V], onUpdate func(V)) *Fetcher[V] {
-	var ticker *time.Ticker
-	if interval != 0 {
-		ticker = time.NewTicker(interval)
-	}
 
 	return &Fetcher[V]{
 		name:     name,
-		ticker:   ticker,
 		vehicle:  vehicle,
 		parser:   parser,
-		done:     make(chan struct{}, 1),
+		done:     make(chan struct{}, 8),
 		OnUpdate: onUpdate,
 		interval: interval,
 	}