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authorLucian Banu <lucian.banu@enea.com>2018-04-05 07:05:53 +0200
committerPeter Mikus <pmikus@cisco.com>2018-04-24 09:16:36 +0000
commit4bafd0aa54fa78c4c3a6a32281cfa551e61bcafc (patch)
tree6a28eeedfb57fd2755f70dcb6c735be5ceb80a58 /resources/libraries/python/PacketVerifier.py
parent53e9d835462c85738a61ce6f069a05d090645ac8 (diff)
CSIT-1019: Fix PacketVerifier.RxQueue receive timeout issue
Change-Id: I0f7f54e721843b0252ac969ddfabc769a632c1a0 Signed-off-by: Lucian Banu <lucian.banu@enea.com>
Diffstat (limited to 'resources/libraries/python/PacketVerifier.py')
-rw-r--r--resources/libraries/python/PacketVerifier.py51
1 files changed, 23 insertions, 28 deletions
diff --git a/resources/libraries/python/PacketVerifier.py b/resources/libraries/python/PacketVerifier.py
index 4500961151..9306f486ba 100644
--- a/resources/libraries/python/PacketVerifier.py
+++ b/resources/libraries/python/PacketVerifier.py
@@ -65,7 +65,6 @@
import os
import select
-import interruptingcow
from scapy.config import conf
from scapy.all import ETH_P_IP, ETH_P_IPV6, ETH_P_ALL, ETH_P_ARP
from scapy.layers.inet6 import IPv6
@@ -218,33 +217,29 @@ class RxQueue(PacketVerifier):
:returns: Ether() initialized object from packet data.
:rtype: scapy.Ether
"""
- (rlist, _, _) = select.select([self._sock], [], [], timeout)
- if self._sock not in rlist:
- return None
- try:
- with interruptingcow.timeout(timeout,
- exception=RuntimeError('Timeout')):
- ignore_list = list()
- if ignore is not None:
- for ig_pkt in ignore:
- # Auto pad all packets in ignore list
- ignore_list.append(auto_pad(ig_pkt))
- while True:
- pkt = self._sock.recv(0x7fff)
- pkt_pad = auto_pad(pkt)
- print 'Received packet on {0} of len {1}'\
- .format(self._ifname, len(pkt))
- if verbose:
- pkt.show2() # pylint: disable=no-member
- print
- if pkt_pad in ignore_list:
- ignore_list.remove(pkt_pad)
- print 'Received packet ignored.'
- continue
- else:
- return pkt
- except RuntimeError:
- return None
+ ignore_list = list()
+ if ignore is not None:
+ for ig_pkt in ignore:
+ # Auto pad all packets in ignore list
+ ignore_list.append(auto_pad(ig_pkt))
+ while True:
+ (rlist, _, _) = select.select([self._sock], [], [], timeout)
+ if self._sock not in rlist:
+ return None
+
+ pkt = self._sock.recv(0x7fff)
+ pkt_pad = auto_pad(pkt)
+ print 'Received packet on {0} of len {1}'\
+ .format(self._ifname, len(pkt))
+ if verbose:
+ pkt.show2() # pylint: disable=no-member
+ print
+ if pkt_pad in ignore_list:
+ ignore_list.remove(pkt_pad)
+ print 'Received packet ignored.'
+ continue
+ else:
+ return pkt
class TxQueue(PacketVerifier):