GBP: redirect contracts

[vpp.git] / test / util.py

diff --git a/test/util.py b/test/util.py
index 1044aa8..1ab5c1f 100644 (file)
--- a/test/util.py
+++ b/test/util.py
@@ -2,15 +2,17 @@
 
 import socket
 import sys
 
 import socket
 import sys

+import os.path

 from abc import abstractmethod, ABCMeta
 from cStringIO import StringIO
 from abc import abstractmethod, ABCMeta
 from cStringIO import StringIO

-from scapy.layers.inet6 import in6_mactoifaceid
+from scapy.utils6 import in6_mactoifaceid

 
 from scapy.layers.l2 import Ether
 from scapy.packet import Raw
 from scapy.layers.inet import IP
 from scapy.layers.inet6 import IPv6, IPv6ExtHdrFragment, IPv6ExtHdrRouting,\
     IPv6ExtHdrHopByHop
 
 from scapy.layers.l2 import Ether
 from scapy.packet import Raw
 from scapy.layers.inet import IP
 from scapy.layers.inet6 import IPv6, IPv6ExtHdrFragment, IPv6ExtHdrRouting,\
     IPv6ExtHdrHopByHop

+from scapy.utils import hexdump

 from socket import AF_INET6
 
 
 from socket import AF_INET6
 
 


@@ -20,6 +22,8 @@ def ppp(headline, packet):
     old_stdout = sys.stdout
     sys.stdout = o
     print(headline)
     old_stdout = sys.stdout
     sys.stdout = o
     print(headline)

+    hexdump(packet)
+    print("")

     packet.show()
     sys.stdout = old_stdout
     return o.getvalue()
     packet.show()
     sys.stdout = old_stdout
     return o.getvalue()


@@ -70,6 +74,34 @@ def ip6_normalize(ip6):
                             socket.inet_pton(socket.AF_INET6, ip6))
 
 
                             socket.inet_pton(socket.AF_INET6, ip6))
 
 

+def get_core_path(tempdir):
+    return "%s/%s" % (tempdir, get_core_pattern())
+
+
+def is_core_present(tempdir):
+    return os.path.isfile(get_core_path(tempdir))
+
+
+def get_core_pattern():
+    with open("/proc/sys/kernel/core_pattern", "r") as f:
+        corefmt = f.read().strip()
+    return corefmt
+
+
+def check_core_path(logger, core_path):
+    corefmt = get_core_pattern()
+    if corefmt.startswith("|"):
+        logger.error(
+            "WARNING: redirecting the core dump through a"
+            " filter may result in truncated dumps.")
+        logger.error(
+            "   You may want to check the filter settings"
+            " or uninstall it and edit the"
+            " /proc/sys/kernel/core_pattern accordingly.")
+        logger.error(
+            "   current core pattern is: %s" % corefmt)
+
+

 class NumericConstant(object):
     __metaclass__ = ABCMeta
 
 class NumericConstant(object):
     __metaclass__ = ABCMeta