diff options
Diffstat (limited to 'test/packetimpact/runner/dut.go')
| -rw-r--r-- | test/packetimpact/runner/dut.go | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/test/packetimpact/runner/dut.go b/test/packetimpact/runner/dut.go index 02678a76a..f27e52f93 100644 --- a/test/packetimpact/runner/dut.go +++ b/test/packetimpact/runner/dut.go @@ -331,6 +331,22 @@ func TestWithDUT(ctx context.Context, t *testing.T, mkDevice func(*dockerutil.Co t.Logf("sniffer logs:\n%s", snifferOut) } }) + } + + // Arm the cleanup hook before we do anthing else. Otherwise failures below + // can cause the test to hang in the cleanup hook above. + t.Cleanup(func() { + // Wait 1 second before killing tcpdump to give it time to flush + // any packets. On linux tests killing it immediately can + // sometimes result in partial pcaps. + time.Sleep(1 * time.Second) + if logs, err := testbenchContainer.Exec(ctx, dockerutil.ExecOpts{}, "killall", baseSnifferArgs[0]); err != nil { + t.Errorf("failed to kill all sniffers: %s, logs: %s", err, logs) + } + }) + + for _, info := range dutInfos { + n := info.Net // When the Linux kernel receives a SYN-ACK for a SYN it didn't send, it // will respond with an RST. In most packetimpact tests, the SYN is sent // by the raw socket, the kernel knows nothing about the connection, this @@ -344,16 +360,6 @@ func TestWithDUT(ctx context.Context, t *testing.T, mkDevice func(*dockerutil.Co } } - t.Cleanup(func() { - // Wait 1 second before killing tcpdump to give it time to flush - // any packets. On linux tests killing it immediately can - // sometimes result in partial pcaps. - time.Sleep(1 * time.Second) - if logs, err := testbenchContainer.Exec(ctx, dockerutil.ExecOpts{}, "killall", baseSnifferArgs[0]); err != nil { - t.Errorf("failed to kill all sniffers: %s, logs: %s", err, logs) - } - }) - // FIXME(b/156449515): Some piece of the system has a race. The old // bash script version had a sleep, so we have one too. The race should // be fixed and this sleep removed. |