[dts] [PATCH V2] Use tcpdump_sniff_packets instead of sniff method
Zhu, WenhuiX
wenhuix.zhu at intel.com
Tue Dec 11 06:29:49 CET 2018
-----Original Message-----
From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of lihong
Sent: Tuesday, December 11, 2018 2:24 AM
To: dts at dpdk.org
Cc: Ma, LihongX <lihongx.ma at intel.com>
Subject: [dts] [PATCH V2] Use tcpdump_sniff_packets instead of sniff method
The sniff method may not work well when add filter ether arguments, so use tcpdump_sniff_packets instead of it.
Signed-off-by: lihong <lihongx.ma at intel.com>
Test-by: Zhu, WenhuiX <wenhuix.zhu at intel.com>
---
tests/TestSuite_short_live.py | 9 ++++-----
tests/TestSuite_vxlan.py | 8 +++-----
2 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/tests/TestSuite_short_live.py b/tests/TestSuite_short_live.py index ca3643f..b3ec131 100644
--- a/tests/TestSuite_short_live.py
+++ b/tests/TestSuite_short_live.py
@@ -102,10 +102,7 @@ class TestShortLiveApp(TestCase):
if (txPort == rxPort):
count = 2
- self.tester.scapy_append('p=sniff(iface="%s", filter="ether[12:2]!=0x88cc", count=%d, timeout=5)' % (rxitf, count))
- self.tester.scapy_append('RESULT=str(p[%d].show)' % (count-1))
-
- self.tester.scapy_foreground()
+ inst = self.tester.tcpdump_sniff_packets(rxitf, count=count,
+ timeout=5)
pktlen = pktSize - 14
padding = pktlen - 20
@@ -114,7 +111,9 @@ class TestShortLiveApp(TestCase):
self.tester.scapy_execute()
time.sleep(3)
- out = self.tester.scapy_get_result()
+ pkts = self.tester.load_tcpdump_sniff_packets(inst)
+ out = str(pkts[0].pktgen.pkt.show)
+ self.logger.info('SCAPY Result:\n' + out + '\n\n\n')
if received:
self.verify(('PPP' in out) and 'src=%s'% Dut_tx_mac in out, "Receive test failed")
else:
diff --git a/tests/TestSuite_vxlan.py b/tests/TestSuite_vxlan.py index d5a9d77..8de8384 100644
--- a/tests/TestSuite_vxlan.py
+++ b/tests/TestSuite_vxlan.py
@@ -447,16 +447,14 @@ class TestVxlan(TestCase, IxiaPacketGenerator):
config.create_pcap()
# remove tempory files
+ config.capture_file = "/tmp/sniff_%s.pcap" % self.recv_iface
self.tester.send_expect("rm -rf %s" % config.capture_file, "# ")
# save the capture packet into pcap format
self.tester.scapy_background()
- self.tester.scapy_append(
- 'p=sniff(iface="%s",filter="ether[12:2]!=0x88cc",count=1,timeout=5)' % self.recv_iface)
- self.tester.scapy_append(
- 'wrpcap(\"%s\", p)' % config.capture_file)
- self.tester.scapy_foreground()
+ inst = self.tester.tcpdump_sniff_packets(self.recv_iface,
+ timeout=5)
config.send_pcap(self.tester_iface)
+ self.tester.load_tcpdump_sniff_packets(inst)
time.sleep(5)
# extract the checksum offload from saved pcap file
--
2.7.4
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