yunti_top_node.py

import os

times = 2
show_top = 10
flag = 'time='
domain = '.vpnhide.com'
protocols = ['p1', 'p2'] 

nodes = {  # node: number
    'jp': 4,
    'us': 6,
    'sg': 2,
    'tw': 2,
    'hk': 3,
    'uk': 1
}

result = [] # server: [time1, time2...]

def ping(node):
    print(node)
    lines = os.popen('ping -c ' + str(times) + ' ' + node).readlines()
    data = []
    for line in lines:
        idx1 = line.find(flag)
        if idx1 != -1:
            idx2 = line.find(' ', idx1)
            idx1 += len(flag)
            data.append(float(line[idx1:idx2]))
    return data

for(k, v) in nodes.items():
    for i in range(1, v + 1):
        for p in protocols:
            node = p + '.' + str(k) + str(i) + domain
            data = ping(node)
            result.append((node, sum(data) / len(data)))

sorted_result = sorted(result, key=lambda t: t[1])
sorted_result_len = len(sorted_result)

top = sorted_result_len if show_top > sorted_result_len else show_top

print('Top ' + str(top))
print('====================')
for i in range(top):
    print(str(i + 1) + '. ' + sorted_result[i][0] + ' -> ' + str(sorted_result[i][1]))