github.com/sagernet/tfo-go@v0.0.0-20231209031829-7b5343ac1dc6/tfo_supported_test.go (about)

     1  //go:build darwin || freebsd || linux || windows
     2  
     3  package tfo
     4  
     5  import (
     6  	"net"
     7  	"testing"
     8  )
     9  
    10  func testClientWriteReadServerReadWriteTCPAddr(listenTCPAddr, dialLocalTCPAddr *net.TCPAddr, t *testing.T) {
    11  	t.Logf("c->s payload: %v", helloworld)
    12  	t.Logf("s->c payload: %v", worldhello)
    13  
    14  	lntcp, err := ListenTCP("tcp", listenTCPAddr)
    15  	if err != nil {
    16  		t.Fatal(err)
    17  	}
    18  	defer lntcp.Close()
    19  	t.Log("Started listener on", lntcp.Addr())
    20  
    21  	ctrlCh := make(chan struct{})
    22  	go func() {
    23  		conn, err := lntcp.AcceptTCP()
    24  		if err != nil {
    25  			t.Error(err)
    26  			return
    27  		}
    28  		defer conn.Close()
    29  		t.Log("Accepted", conn.RemoteAddr())
    30  
    31  		readUntilEOF(conn, helloworld, t)
    32  		write(conn, world, t)
    33  		write(conn, hello, t)
    34  		conn.CloseWrite()
    35  		close(ctrlCh)
    36  	}()
    37  
    38  	port := lntcp.Addr().(*net.TCPAddr).Port
    39  	ip := net.IPv6loopback
    40  	if listenTCPAddr != nil && listenTCPAddr.IP != nil {
    41  		ip = listenTCPAddr.IP
    42  	}
    43  
    44  	tc, err := DialTCP("tcp", dialLocalTCPAddr, &net.TCPAddr{
    45  		IP:   ip,
    46  		Port: port,
    47  	}, hello)
    48  	if err != nil {
    49  		t.Fatal(err)
    50  	}
    51  	defer tc.Close()
    52  
    53  	write(tc, world, t)
    54  	tc.CloseWrite()
    55  	readUntilEOF(tc, worldhello, t)
    56  	<-ctrlCh
    57  }
    58  
    59  func TestClientWriteReadServerReadWriteTCPAddr(t *testing.T) {
    60  	for _, c := range []struct {
    61  		name             string
    62  		listenTCPAddr    *net.TCPAddr
    63  		dialLocalTCPAddr *net.TCPAddr
    64  	}{
    65  		{
    66  			name:             "Unspecified",
    67  			listenTCPAddr:    nil,
    68  			dialLocalTCPAddr: nil,
    69  		},
    70  		{
    71  			name: "IPv4Loopback",
    72  			listenTCPAddr: &net.TCPAddr{
    73  				IP: net.IPv4(127, 0, 0, 1),
    74  			},
    75  			dialLocalTCPAddr: nil,
    76  		},
    77  		{
    78  			name: "IPv6Loopback",
    79  			listenTCPAddr: &net.TCPAddr{
    80  				IP: net.IPv6loopback,
    81  			},
    82  			dialLocalTCPAddr: nil,
    83  		},
    84  		{
    85  			name:          "DialBind",
    86  			listenTCPAddr: nil,
    87  			dialLocalTCPAddr: &net.TCPAddr{
    88  				IP: net.IPv6loopback,
    89  			},
    90  		},
    91  	} {
    92  		t.Run(c.name, func(t *testing.T) {
    93  			testClientWriteReadServerReadWriteTCPAddr(c.listenTCPAddr, c.dialLocalTCPAddr, t)
    94  		})
    95  	}
    96  }