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import os
import re
class PmdOutput():
"""
Module for get all statics value by port in testpmd
"""
def __init__(self, dut):
self.dut = dut
self.rx_pkts_prefix = "RX-packets:"
self.rx_missed_prefix = "RX-missed:"
self.rx_bytes_prefix = "RX-bytes:"
self.rx_badcrc_prefix = "RX-badcrc:"
self.rx_badlen_prefix = "RX-badlen:"
self.rx_error_prefix = "RX-errors:"
self.rx_nombuf_prefix = "RX-nombuf:"
self.tx_pkts_prefix = "TX-packets:"
self.tx_error_prefix = "TX-errors:"
self.tx_bytes_prefix = "TX-bytes:"
def get_pmd_value(self, prefix, out):
pattern = re.compile(prefix + "(\s+)([0-9]+)")
m = pattern.search(out)
if m is None:
return None
else:
return int(m.group(2))
def get_pmd_stats(self, portid):
stats = {}
out = self.dut.send_expect("show port stats %d" % portid, "testpmd> ")
stats["RX-packets"] = self.get_pmd_value(self.rx_pkts_prefix, out)
stats["RX-missed"] = self.get_pmd_value(self.rx_missed_prefix, out)
stats["RX-bytes"] = self.get_pmd_value(self.rx_bytes_prefix, out)
stats["RX-badcrc"] = self.get_pmd_value(self.rx_badcrc_prefix, out)
stats["RX-badlen"] = self.get_pmd_value(self.rx_badlen_prefix, out)
stats["RX-errors"] = self.get_pmd_value(self.rx_error_prefix, out)
stats["RX-nombuf"] = self.get_pmd_value(self.rx_nombuf_prefix, out)
stats["TX-packets"] = self.get_pmd_value(self.tx_pkts_prefix, out)
stats["TX-errors"] = self.get_pmd_value(self.tx_error_prefix, out)
stats["TX-bytes"] = self.get_pmd_value(self.tx_bytes_prefix, out)
return stats
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