(t *testing.T)
| 54 | } |
| 55 | |
| 56 | func Test_setSrcControl(t *testing.T) { |
| 57 | t.Run("IPv4", func(t *testing.T) { |
| 58 | ep := &StdNetEndpoint{ |
| 59 | AddrPort: netip.MustParseAddrPort("127.0.0.1:1234"), |
| 60 | } |
| 61 | setSrc(ep, netip.MustParseAddr("127.0.0.1"), 5) |
| 62 | |
| 63 | control := make([]byte, stickyControlSize) |
| 64 | |
| 65 | setSrcControl(&control, ep) |
| 66 | |
| 67 | hdr := (*unix.Cmsghdr)(unsafe.Pointer(&control[0])) |
| 68 | if hdr.Level != unix.IPPROTO_IP { |
| 69 | t.Errorf("unexpected level: %d", hdr.Level) |
| 70 | } |
| 71 | if hdr.Type != unix.IP_PKTINFO { |
| 72 | t.Errorf("unexpected type: %d", hdr.Type) |
| 73 | } |
| 74 | if uint(hdr.Len) != uint(unix.CmsgLen(int(unsafe.Sizeof(unix.Inet4Pktinfo{})))) { |
| 75 | t.Errorf("unexpected length: %d", hdr.Len) |
| 76 | } |
| 77 | info := (*unix.Inet4Pktinfo)(unsafe.Pointer(&control[unix.CmsgLen(0)])) |
| 78 | if info.Spec_dst[0] != 127 || info.Spec_dst[1] != 0 || info.Spec_dst[2] != 0 || info.Spec_dst[3] != 1 { |
| 79 | t.Errorf("unexpected address: %v", info.Spec_dst) |
| 80 | } |
| 81 | if info.Ifindex != 5 { |
| 82 | t.Errorf("unexpected ifindex: %d", info.Ifindex) |
| 83 | } |
| 84 | }) |
| 85 | |
| 86 | t.Run("IPv6", func(t *testing.T) { |
| 87 | ep := &StdNetEndpoint{ |
| 88 | AddrPort: netip.MustParseAddrPort("[::1]:1234"), |
| 89 | } |
| 90 | setSrc(ep, netip.MustParseAddr("::1"), 5) |
| 91 | |
| 92 | control := make([]byte, stickyControlSize) |
| 93 | |
| 94 | setSrcControl(&control, ep) |
| 95 | |
| 96 | hdr := (*unix.Cmsghdr)(unsafe.Pointer(&control[0])) |
| 97 | if hdr.Level != unix.IPPROTO_IPV6 { |
| 98 | t.Errorf("unexpected level: %d", hdr.Level) |
| 99 | } |
| 100 | if hdr.Type != unix.IPV6_PKTINFO { |
| 101 | t.Errorf("unexpected type: %d", hdr.Type) |
| 102 | } |
| 103 | if uint(hdr.Len) != uint(unix.CmsgLen(int(unsafe.Sizeof(unix.Inet6Pktinfo{})))) { |
| 104 | t.Errorf("unexpected length: %d", hdr.Len) |
| 105 | } |
| 106 | info := (*unix.Inet6Pktinfo)(unsafe.Pointer(&control[unix.CmsgLen(0)])) |
| 107 | if info.Addr != ep.SrcIP().As16() { |
| 108 | t.Errorf("unexpected address: %v", info.Addr) |
| 109 | } |
| 110 | if info.Ifindex != 5 { |
| 111 | t.Errorf("unexpected ifindex: %d", info.Ifindex) |
| 112 | } |
| 113 | }) |
nothing calls this directly
no test coverage detected