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|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Use tcp ping host, just like ping comppand
"""
import socket
import time
import click
import sys
from collections import namedtuple
from functools import partial
from six.moves import zip_longest
from six import print_
from timeit import default_timer as timer
import numpy as np
Statistics = namedtuple('Statistics', [
'host',
'port',
'successed',
'failed',
'success_rate',
'minimum',
'maximum',
'average'])
iprint = partial(print_, flush=True)
def avg(x):
return sum(x) / float(len(x))
class Socket(object):
def __init__(self, family, type_, timeout):
s = socket.socket(family, type_)
s.settimeout(timeout)
self._s = s
def connect(self, host, port=80):
self._s.connect((host, int(port)))
def shutdown(self):
self._s.shutdown(socket.SHUT_RD)
def close(self):
self._s.close()
class Print(object):
def __init__(self):
self.table_field_names = []
self.rows = []
@property
def raw(self):
statistics_group = []
for row in self.rows:
total = row.successed + row.failed
statistics_header = '\n--- {}[:{}] tcping statistics ---'.format(
row.host, row.port)
statistics_body = '\n{} connections, {} successed, {} failed, {} success rate'.format(
total, row.successed, row.failed, row.success_rate)
statistics_footer = '\nminimum = {}, maximum = {}, average = {}'.format(
row.minimum, row.maximum, row.average)
statistics = statistics_header + statistics_body + statistics_footer
statistics_group.append(statistics)
return ''.join(statistics_group)
def add_statistics(self, row):
self.rows.append(row)
class Timer(object):
def __init__(self):
self._start = 0
self._stop = 0
def start(self):
self._start = timer()
def stop(self):
self._stop = timer()
def cost(self, funcs, args):
self.start()
for func, arg in zip_longest(funcs, args):
if arg:
func(*arg)
else:
func()
self.stop()
return self._stop - self._start
class Ping(object):
def __init__(self, host, port=80, timeout=1):
self.print_ = Print()
self.timer = Timer()
self._successed = 0
self._failed = 0
self._conn_times = []
self._host = host
self._port = port
self._timeout = timeout
def _create_socket(self, family, type_):
return Socket(family, type_, self._timeout)
def _success_rate(self):
count = self._successed + self._failed
try:
rate = (float(self._successed) / count) * 100
rate = '{0:.2f}'.format(rate)
except ZeroDivisionError:
rate = '0.00'
return rate
def statistics(self, n):
conn_times = self._conn_times if self._conn_times != [] else [0]
# minimum = '{0:.2f}ms'.format(min(conn_times))
# maximum = '{0:.2f}ms'.format(max(conn_times))
average = avg(conn_times)
# success_rate = self._success_rate() + '%'
return format(average,".3f")
# self.print_.add_statistics(Statistics(
# self._host,
# self._port,
# self._successed,
# self._failed,
# success_rate,
# minimum,
# maximum,
# average))
@property
def result(self):
return self.print_
@property
def status(self):
return self._successed == 0
def ping(self, count=10):
for n in range(1, count + 1):
s = self._create_socket(socket.AF_INET, socket.SOCK_STREAM)
try:
time.sleep(1)
cost_time = self.timer.cost(
(s.connect, s.shutdown),
((self._host, self._port), None))
s_runtime = 1000 * (cost_time)
iprint("Connected to %s[:%s]: seq=%d time=%.2f ms" % (
self._host, self._port, n, s_runtime))
self._conn_times.append(s_runtime)
except socket.timeout:
iprint("Connected to %s[:%s]: seq=%d time out!" % (
self._host, self._port, n))
self._failed += 1
except KeyboardInterrupt:
self.statistics(n - 1)
raise KeyboardInterrupt()
else:
self._successed += 1
finally:
s.close()
def tcping(self,count=5,family=4):
if family==4:
for n in range(1, count + 1):
s = self._create_socket(socket.AF_INET, socket.SOCK_STREAM)
try:
time.sleep(1)
cost_time = self.timer.cost(
(s.connect, s.shutdown),
((self._host, self._port), None))
s_runtime = 1000 * (cost_time)
iprint("Connected to %s[:%s]: seq=%d time=%.2f ms" % (
self._host, self._port, n, s_runtime))
self._conn_times.append(s_runtime)
except socket.timeout:
iprint("Connected to %s[:%s]: seq=%d time out!" % (
self._host, self._port, n))
self._failed += 1
except KeyboardInterrupt:
self.statistics(n - 1)
raise KeyboardInterrupt()
else:
self._successed += 1
finally:
s.close()
# ipv6适配
else:
for n in range(1, count + 1):
s = self._create_socket(socket.AF_INET6, socket.SOCK_STREAM)
try:
time.sleep(1)
cost_time = self.timer.cost(
(s.connect, s.shutdown),
((self._host, self._port), None))
s_runtime = 1000 * (cost_time)
iprint("Connected to %s[:%s]: seq=%d time=%.2f ms" % (
self._host, self._port, n, s_runtime))
self._conn_times.append(s_runtime)
except socket.timeout:
iprint("Connected to %s[:%s]: seq=%d time out!" % (
self._host, self._port, n))
self._failed += 1
except KeyboardInterrupt:
self.statistics(n - 1)
raise KeyboardInterrupt()
else:
self._successed += 1
finally:
s.close()
def cli(host, port, count, timeout):
ping = Ping(host, port, timeout)
if "." in host:
ping.tcping(count,4)
else:
ping.tcping(count,6)
return ping.statistics(count)
|
