chore: rebuild ref and threadSafe packetConn

common/net/packet/thread.go

@@ -0,0 +1,36 @@
+package packet
+
+import (
+	"net"
+	"sync"
+)
+
+type threadSafePacketConn struct {
+	EnhancePacketConn
+	access sync.Mutex
+}
+
+func (c *threadSafePacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
+	c.access.Lock()
+	defer c.access.Unlock()
+	return c.EnhancePacketConn.WriteTo(b, addr)
+}
+
+func (c *threadSafePacketConn) Upstream() any {
+	return c.EnhancePacketConn
+}
+
+func (c *threadSafePacketConn) ReaderReplaceable() bool {
+	return true
+}
+
+func NewThreadSafePacketConn(pc net.PacketConn) EnhancePacketConn {
+	tsPC := &threadSafePacketConn{EnhancePacketConn: NewEnhancePacketConn(pc)}
+	if singPC, isSingPC := pc.(SingPacketConn); isSingPC {
+		return &threadSafeSingPacketConn{
+			threadSafePacketConn: tsPC,
+			singPacketConn:       singPC,
+		}
+	}
+	return tsPC
+}