New parse_nping_output function
Parse the output from the nping command and return as a dictionary.
Change-Id: I1550aed177882154247d16f8a9b2a3f82c5ae2cc
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
diff --git a/lib/bmc_network_utils.py b/lib/bmc_network_utils.py
index 530f80f..eb1f4e9 100644
--- a/lib/bmc_network_utils.py
+++ b/lib/bmc_network_utils.py
@@ -5,8 +5,10 @@
"""
+import re
import ipaddress
from robot.libraries.BuiltIn import BuiltIn
+import var_funcs as vf
def netmask_prefix_length(netmask):
@@ -20,3 +22,51 @@
# IP address netmask format: '0.0.0.0/255.255.252.0'
return ipaddress.ip_network('0.0.0.0/' + netmask).prefixlen
+
+
+def parse_nping_output(output):
+ r"""
+ Parse the output from the nping command and return as a dictionary.
+
+ Example of output value:
+
+ Starting Nping 0.6.47 ( http://nmap.org/nping ) at 2019-08-07 22:05 IST
+ SENT (0.0181s) TCP Source IP:37577 >
+ Destination IP:80 S ttl=64 id=39113 iplen=40 seq=629782493 win=1480
+ SENT (0.2189s) TCP Source IP:37577 >
+ Destination IP:80 S ttl=64 id=39113 iplen=40 seq=629782493 win=1480
+ RCVD (0.4120s) TCP Destination IP:80 >
+ Source IP:37577 SA ttl=49 id=0 iplen=44 seq=1078301364 win=5840 <mss 1380>
+ Max rtt: 193.010ms | Min rtt: 193.010ms | Avg rtt: 193.010ms
+ Raw packets sent: 2 (80B) | Rcvd: 1 (46B) | Lost: 1 (50.00%)
+ Nping done: 1 IP address pinged in 0.43 seconds
+
+ Example of data returned by this function:
+
+ nping_result:
+ [max_rtt]: 193.010ms
+ [min_rtt]: 193.010ms
+ [avg_rtt]: 193.010ms
+ [raw_packets_sent]: 2 (80B)
+ [rcvd]: 1 (46B)
+ [lost]: 1 (50.00%)
+ [percent_lost]: 50.00
+
+ Description of argument(s):
+ output The output obtained by running an nping
+ command.
+ """
+
+ lines = output.split("\n")
+ # Obtain only the lines of interest.
+ lines = list(filter(lambda x: re.match(r"(Max rtt|Raw packets)", x),
+ lines))
+
+ key_value_list = []
+ for line in lines:
+ key_value_list += line.split("|")
+ nping_result = vf.key_value_list_to_dict(key_value_list)
+ # Extract percent_lost value from lost field.
+ nping_result['percent_lost'] = \
+ float(nping_result['lost'].split(" ")[-1].strip("()%"))
+ return nping_result