(t *testing.T)
| 384 | } |
| 385 | |
| 386 | func TestDecodeSimpleTCPPacket(t *testing.T) { |
| 387 | equal := func(desc, want string, got fmt.Stringer) { |
| 388 | if want != got.String() { |
| 389 | t.Errorf("%s: got %q want %q", desc, got.String(), want) |
| 390 | } |
| 391 | } |
| 392 | p := gopacket.NewPacket(testSimpleTCPPacket, LinkTypeEthernet, gopacket.DecodeOptions{Lazy: true, NoCopy: true}) |
| 393 | if eth := p.LinkLayer(); eth == nil { |
| 394 | t.Error("No ethernet layer found") |
| 395 | } else { |
| 396 | equal("Eth Src", "bc:30:5b:e8:d3:49", eth.LinkFlow().Src()) |
| 397 | equal("Eth Dst", "00:00:0c:9f:f0:20", eth.LinkFlow().Dst()) |
| 398 | } |
| 399 | if net := p.NetworkLayer(); net == nil { |
| 400 | t.Error("No net layer found") |
| 401 | } else if ip, ok := net.(*IPv4); !ok { |
| 402 | t.Error("Net layer is not IP layer") |
| 403 | } else { |
| 404 | equal("IP Src", "172.17.81.73", net.NetworkFlow().Src()) |
| 405 | equal("IP Dst", "173.222.254.225", net.NetworkFlow().Dst()) |
| 406 | want := &IPv4{ |
| 407 | BaseLayer: BaseLayer{testSimpleTCPPacket[14:34], testSimpleTCPPacket[34:]}, |
| 408 | Version: 4, |
| 409 | IHL: 5, |
| 410 | TOS: 0, |
| 411 | Length: 420, |
| 412 | Id: 14815, |
| 413 | Flags: 0x02, |
| 414 | FragOffset: 0, |
| 415 | TTL: 64, |
| 416 | Protocol: 6, |
| 417 | Checksum: 0x555A, |
| 418 | SrcIP: []byte{172, 17, 81, 73}, |
| 419 | DstIP: []byte{173, 222, 254, 225}, |
| 420 | } |
| 421 | if !reflect.DeepEqual(ip, want) { |
| 422 | t.Errorf("IP layer mismatch, \ngot %#v\nwant %#v\n", ip, want) |
| 423 | } |
| 424 | } |
| 425 | if trans := p.TransportLayer(); trans == nil { |
| 426 | t.Error("No transport layer found") |
| 427 | } else if tcp, ok := trans.(*TCP); !ok { |
| 428 | t.Error("Transport layer is not TCP layer") |
| 429 | } else { |
| 430 | equal("TCP Src", "50679", trans.TransportFlow().Src()) |
| 431 | equal("TCP Dst", "80", trans.TransportFlow().Dst()) |
| 432 | want := &TCP{ |
| 433 | BaseLayer: BaseLayer{testSimpleTCPPacket[34:66], testSimpleTCPPacket[66:]}, |
| 434 | SrcPort: 50679, |
| 435 | DstPort: 80, |
| 436 | Seq: 0xc57e0e48, |
| 437 | Ack: 0x49074232, |
| 438 | DataOffset: 8, |
| 439 | ACK: true, |
| 440 | PSH: true, |
| 441 | Window: 0x73, |
| 442 | Checksum: 0x9a8f, |
| 443 | Urgent: 0, |
nothing calls this directly
no test coverage detected
searching dependent graphs…