diff options
author | Tamir Duberstein <tamird@google.com> | 2018-09-12 20:38:27 -0700 |
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committer | Shentubot <shentubot@google.com> | 2018-09-12 20:39:24 -0700 |
commit | 5adb3468d4de249df055d641e01ce6582b3a9388 (patch) | |
tree | fa75f573912b3647dcc7158961aa1085e572a8a1 /pkg/tcpip/checker | |
parent | 9dec7a3db99d8c7045324bc6d8f0c27e88407f6c (diff) |
Add multicast support
PiperOrigin-RevId: 212750821
Change-Id: I822fd63e48c684b45fd91f9ce057867b7eceb792
Diffstat (limited to 'pkg/tcpip/checker')
-rw-r--r-- | pkg/tcpip/checker/checker.go | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/pkg/tcpip/checker/checker.go b/pkg/tcpip/checker/checker.go index 518719de4..8e0e49efa 100644 --- a/pkg/tcpip/checker/checker.go +++ b/pkg/tcpip/checker/checker.go @@ -86,6 +86,22 @@ func DstAddr(addr tcpip.Address) NetworkChecker { } } +// TTL creates a checker that checks the TTL (ipv4) or HopLimit (ipv6). +func TTL(ttl uint8) NetworkChecker { + return func(t *testing.T, h []header.Network) { + var v uint8 + switch ip := h[0].(type) { + case header.IPv4: + v = ip.TTL() + case header.IPv6: + v = ip.HopLimit() + } + if v != ttl { + t.Fatalf("Bad TTL, got %v, want %v", v, ttl) + } + } +} + // PayloadLen creates a checker that checks the payload length. func PayloadLen(plen int) NetworkChecker { return func(t *testing.T, h []header.Network) { |