NFVBENCH-32 Check nan result values before integer casting

Change-Id: Ia675672b40f93d7503ebe5a355896a084e3d0cbf
Signed-off-by: Kerim Gokarslan <kgokarsl@cisco.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/nfvbench/utils.py b/nfvbench/utils.py
index 4d9749c..fc72517 100644
--- a/nfvbench/utils.py
+++ b/nfvbench/utils.py
@@ -17,6 +17,7 @@ import fcntl
 from functools import wraps
 import json
 from log import LOG
+from math import isnan
 import os
 import re
 import signal
@@ -141,6 +142,10 @@ def parse_flow_count(flow_count):
     return flow_count * multiplier
 
 
+def cast_integer(value):
+    return int(value) if not isnan(value) else value
+
+
 class RunLock(object):
     """
     Attempts to lock file and run current instance of NFVbench as the first,