42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
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diff --git a/utilities/ovs-tcpdump.in b/utilities/ovs-tcpdump.in
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index 11624c5..cdba1d5 100755
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--- a/utilities/ovs-tcpdump.in
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+++ b/utilities/ovs-tcpdump.in
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@@ -24,7 +24,21 @@ import subprocess
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import sys
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import time
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-import netifaces
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+try:
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+ from netifaces import interfaces
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+except ImportError:
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+ if sys.platform in ['linux', 'linux2']:
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+ def interfaces():
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+ devices = []
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+ with open("/proc/net/dev", "r") as f_netdev:
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+ for line in f_netdev:
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+ if ":" not in line:
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+ continue
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+ devices.append(line.split(":")[0].strip())
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+ return devices
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+ else:
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+ print("ERROR: Please install netifaces Python library.")
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+ sys.exit(1)
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try:
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from ovs.db import idl
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@@ -438,11 +452,11 @@ def main():
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mirror_interface = _make_mirror_name[sys.platform](interface)
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if sys.platform in _make_taps and \
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- mirror_interface not in netifaces.interfaces():
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+ mirror_interface not in interfaces():
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_make_taps[sys.platform](mirror_interface,
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ovsdb.interface_mtu(interface))
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- if mirror_interface not in netifaces.interfaces():
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+ if mirror_interface not in interfaces():
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print("ERROR: Please create an interface called `%s`" %
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mirror_interface)
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print("See your OS guide for how to do this.")
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