Change: use uint16 for Metadata SrcPort and DstPort

adapter/outbound/snell.go

@@ -53,8 +53,7 @@ func streamConn(c net.Conn, option streamOption) *snell.Snell {
 // StreamConn implements C.ProxyAdapter
 func (s *Snell) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	c = streamConn(c, streamOption{s.psk, s.version, s.addr, s.obfsOption})
-	port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
-	err := snell.WriteHeader(c, metadata.String(), uint(port), s.version)
+	err := snell.WriteHeader(c, metadata.String(), uint(metadata.DstPort), s.version)
 	return c, err
 }
 
@@ -66,8 +65,7 @@ func (s *Snell) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 			return nil, err
 		}
 
-		port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
-		if err = snell.WriteHeader(c, metadata.String(), uint(port), s.version); err != nil {
+		if err = snell.WriteHeader(c, metadata.String(), uint(metadata.DstPort), s.version); err != nil {
 			c.Close()
 			return nil, err
 		}

adapter/outbound/util.go

@@ -2,7 +2,6 @@ package outbound
 
 import (
 	"net"
-	"strconv"
 	"time"
 
 	"github.com/Dreamacro/clash/component/resolver"
@@ -25,7 +24,6 @@ func serializesSocksAddr(metadata *C.Metadata) []byte {
 	addrType := metadata.AddrType()
 	buf.PutUint8(uint8(addrType))
 
-	p, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
 	switch addrType {
 	case socks5.AtypDomainName:
 		buf.PutUint8(uint8(len(metadata.Host)))
@@ -36,7 +34,7 @@ func serializesSocksAddr(metadata *C.Metadata) []byte {
 		buf.PutSlice(metadata.DstIP.To16())
 	}
 
-	buf.PutUint16be(uint16(p))
+	buf.PutUint16be(uint16(metadata.DstPort))
 	return buf.Bytes()
 }
 

adapter/outbound/vmess.go

@@ -354,12 +354,11 @@ func parseVmessAddr(metadata *C.Metadata) *vmess.DstAddr {
 		copy(addr[1:], []byte(metadata.Host))
 	}
 
-	port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
 	return &vmess.DstAddr{
 		UDP:      metadata.NetWork == C.UDP,
 		AddrType: addrType,
 		Addr:     addr,
-		Port:     uint(port),
+		Port:     uint(metadata.DstPort),
 	}
 }