diff options
Diffstat (limited to 'packet/bgp/bgp.go')
| -rw-r--r-- | packet/bgp/bgp.go | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/packet/bgp/bgp.go b/packet/bgp/bgp.go index 3bbb3502..2ed6adcf 100644 --- a/packet/bgp/bgp.go +++ b/packet/bgp/bgp.go @@ -1952,14 +1952,19 @@ func isZeroBuf(buf []byte) bool { } func (esi *EthernetSegmentIdentifier) String() string { + toHexArray := func(data []byte) string { + // Converts byte slice into the colon separated hex values and the + // number of elements are 9 at most (excluding Type field). + values := make([]string, 0, 9) + for _, v := range data { + values = append(values, fmt.Sprintf("%02x", v)) + } + return strings.Join(values, ":") + } + s := bytes.NewBuffer(make([]byte, 0, 64)) s.WriteString(fmt.Sprintf("%s | ", esi.Type.String())) switch esi.Type { - case ESI_ARBITRARY: - if isZeroBuf(esi.Value) { - return "single-homed" - } - s.WriteString(fmt.Sprintf("%s", esi.Value)) case ESI_LACP: s.WriteString(fmt.Sprintf("system mac %s, ", net.HardwareAddr(esi.Value[:6]).String())) s.WriteString(fmt.Sprintf("port key %d", binary.BigEndian.Uint16(esi.Value[6:8]))) @@ -1975,8 +1980,13 @@ func (esi *EthernetSegmentIdentifier) String() string { case ESI_AS: s.WriteString(fmt.Sprintf("as %d, ", binary.BigEndian.Uint32(esi.Value[:4]))) s.WriteString(fmt.Sprintf("local discriminator %d", binary.BigEndian.Uint32(esi.Value[4:8]))) + case ESI_ARBITRARY: + if isZeroBuf(esi.Value) { + return "single-homed" + } + fallthrough default: - s.WriteString(fmt.Sprintf("value %s", esi.Value)) + s.WriteString(toHexArray(esi.Value)) } return s.String() } |