github.com/xraypb/Xray-core@v1.8.1/transport/internet/sockopt_linux_test.go (about)

     1  package internet_test
     2  
     3  import (
     4  	"context"
     5  	"syscall"
     6  	"testing"
     7  
     8  	"github.com/xraypb/Xray-core/common"
     9  	"github.com/xraypb/Xray-core/common/net"
    10  	"github.com/xraypb/Xray-core/testing/servers/tcp"
    11  	. "github.com/xraypb/Xray-core/transport/internet"
    12  )
    13  
    14  func TestSockOptMark(t *testing.T) {
    15  	t.Skip("requires CAP_NET_ADMIN")
    16  
    17  	tcpServer := tcp.Server{
    18  		MsgProcessor: func(b []byte) []byte {
    19  			return b
    20  		},
    21  	}
    22  	dest, err := tcpServer.Start()
    23  	common.Must(err)
    24  	defer tcpServer.Close()
    25  
    26  	const mark = 1
    27  	dialer := DefaultSystemDialer{}
    28  	conn, err := dialer.Dial(context.Background(), nil, dest, &SocketConfig{Mark: mark})
    29  	common.Must(err)
    30  	defer conn.Close()
    31  
    32  	rawConn, err := conn.(*net.TCPConn).SyscallConn()
    33  	common.Must(err)
    34  	err = rawConn.Control(func(fd uintptr) {
    35  		m, err := syscall.GetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK)
    36  		common.Must(err)
    37  		if mark != m {
    38  			t.Fatal("unexpected connection mark", m, " want ", mark)
    39  		}
    40  	})
    41  	common.Must(err)
    42  }