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cdn_tester.py
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import requests
import dns.resolver
import time
import get_server_info
import os
import json
class cdn_tester:
def __init__(self , domain , dns_ip , requests_target):
self.domain = domain
self.dns_ip = dns_ip
self.requests_target = requests_target
def dns_get_server_ip(self):
resolver = dns.resolver.Resolver()
resolver.nameservers = [self.dns_ip]
resolver.lifetime = 5.0
#IPv6
try:
answers = resolver.resolve(self.domain , 'AAAA')
for data in answers:
server_ipv6 = str(data)
server_locationv6 = self.get_server_location(server_ipv6)
except dns.resolver.NoAnswer :
server_locationv6 = False
server_ipv6 = "NoAnswer"
'''
except dns.resolver.NoNameservers :
server_locationv6 = False
server_ipv6 = "Not found"
'''
#IPv4
try:
answers = resolver.resolve(self.domain , 'A')
for data in answers:
server_ipv4 = str(data)
server_locationv4 = self.get_server_location(server_ipv4)
except dns.resolver.NoAnswer :
server_locationv4 = False
server_ipv4 = "NoAnswer"
'''
except dns.resolver.NoNameservers :
server_locationv4 = False
server_ipv4 = "Not found"
'''
return server_ipv6 , server_locationv6 , server_ipv4 , server_locationv4
def get_server_location(self , ip):
try:
j = open(r'C:\ip_list.json','r',encoding = 'UTF-8')
j = json.loads(j.read())
location = '('+j[ip]+')'
except Exception :
location = ''
return location
def httping(self):
try:
#r = requests.get(self.requests_target , stream=True)
##start_time = time.time()
#r = requests.get(self.requests_target , stream=True)
#end_time = time.time()
#print(end_time - start_time)
#print(r.status_code)
r_ = requests.get(self.requests_target , stream=True)
start_time = time.time()
r = requests.head(self.requests_target )
end_time = time.time()
if r.status_code / 100 == 4.0 or r.status_code / 100 == 5.0:
httping_ms = "Test Failed"
test_type = "None"
print(r.status_code)
else:
test_type = r_.raw.connection.sock.getpeername()
test_type = test_type[0]
if ":" in test_type :
test_type = "IPv6 ("+test_type+")"
elif "." in test_type :
test_type = "IPv4 ("+test_type+")"
else :
test_type = "None"
use_time = end_time - start_time
httping_ms = str(int(((use_time)*1000))) +' ms'
del r
r = requests.get(self.requests_target)
start_time = time.time()
r = requests.get(self.requests_target)
end_time = time.time()
if r.status_code / 100 == 4.0 or r.status_code / 100 == 5.0:
download_speed = "Test Failed"
test_type = "None"
print(r.status_code)
else:
use_time = end_time - start_time
download_speed = format(int(r.headers.get("Content-Length")) * 8 / 1024 / 1024 / use_time , '.2f')+" Mbps"
return httping_ms , download_speed , test_type
except Exception as e:
#print(e)
return "Test Failed" , "Test Failed" , "Test Failed"
def get_client_info():
txt = os.popen('ipconfig/all').read()
tmp = txt.split('\n')
flag = False
ipv6_addr = None
ipv4_addr = None
dns_name = []
for i in tmp :
if 'IPv6 位址. . . . . . . . . . . . .: ' in i and ipv6_addr == None:
ipv6_addr = i.replace('IPv6 位址. . . . . . . . . . . . .: ','').replace('(偏好選項)','').replace(' ','')
if 'IPv4 位址 . . . . . . . . . . . . : ' in i and ipv4_addr == None:
ipv4_addr = i.replace('IPv4 位址 . . . . . . . . . . . . : ','').replace('(偏好選項)','').replace(' ','')
if 'DNS 伺服器 . . . . . . . . . . . .' in i:
i = i.replace('DNS 伺服器 . . . . . . . . . . . .: ' , '').replace(' ','')
flag = True
if 'NetBIOS over Tcpip' in i:
flag = False
if flag == True:
i = i.replace('DNS 伺服器 . . . . . . . . . . . .: ' , '').replace(' ','')
dns_name.append(i)
del txt ,tmp , flag , i
return ipv6_addr , ipv4_addr , dns_name
def main():
j = open(r'C:\config.json','r' , encoding="utf-8")
j = json.loads(j.read())
domain = j["domain"]
requests_target = j["requests_target"]
nic_name = j["nic_name"]
ipv6_addr = None
ipv6_addr , ipv4_addr , dns_ip = get_client_info()
#domain = 'origin-direct.tanetcdn.edu.tw'
#requests_target = 'https://origin-direct.tanetcdn.edu.tw/assets/images/Video.mp4'
#dhcp test
check = os.popen('netsh interface ip set dnsservers "'+nic_name+'" dhcp')
os.popen('netsh interface ipv6 set dnsservers "'+nic_name+'" dhcp')
check = check.read()
if '錯誤' in check :
print('網卡名稱有誤')
input("按任意鍵結束")
quit()
if '權限' in check :
print('權限不足')
input("按任意鍵結束")
quit()
time.sleep(5) #buffer time
ipv6_addr , ipv4_addr , dns_ip = get_client_info()
os.popen('ipconfig/flushdns')
cdn_tester_q = cdn_tester(domain , dns_ip[0] , requests_target )
server_ipv6 , server_locationv6 , server_ipv4 , server_locationv4 = cdn_tester_q.dns_get_server_ip()
httping , download_speed , test_type = cdn_tester_q.httping()
get_server_info.get_server_organization(ipv6_addr = ipv6_addr , ipv4_addr = ipv4_addr , dns_ip = dns_ip , domain = domain , \
server_ipv6 = server_ipv6 , server_locationv6 = server_locationv6 , server_ipv4 = server_ipv4 , server_locationv4 = server_locationv4 , \
test_type=test_type , httping = httping , download_speed = download_speed , dhcp=True)
#normal test
for dns_name in j['dns'] :
#domain = "www.tanetcdn.edu.tw"
#requests_target = "https://www.tanetcdn.edu.tw/assets/images/Video.mp4"
os.popen('netsh interface ip set dnsservers "'+nic_name+'" static '+dns_name['ipv4']+' primary')
####IPv6 DNS select
if ipv6_addr != None :
os.popen('netsh interface ipv6 set dnsservers "'+nic_name+'" static '+dns_name['ipv6']+' primary')
time.sleep(5) #buffer time
os.popen('ipconfig/flushdns')
ipv6_addr , ipv4_addr , dns_ip = get_client_info()
cdn_tester_q = cdn_tester(domain , dns_ip[0] , requests_target )
server_ipv6 , server_locationv6 , server_ipv4 , server_locationv4 = cdn_tester_q.dns_get_server_ip()
httping , download_speed , test_type = cdn_tester_q.httping()
get_server_info.get_server_organization(ipv6_addr = ipv6_addr , ipv4_addr = ipv4_addr , dns_ip = dns_ip , domain = domain , \
server_ipv6 = server_ipv6 , server_locationv6 = server_locationv6 , server_ipv4 = server_ipv4 , server_locationv4 = server_locationv4 , \
test_type=test_type , httping = httping , download_speed = download_speed)
del j , domain , requests_target , dns_name , dns_ip , cdn_tester_q , server_ipv6 , server_locationv6 , server_ipv4 , server_locationv4 , ipv4_addr , ipv6_addr , httping , download_speed
def test():
resolver = dns.resolver.Resolver()
resolver.nameservers = ["8.8.8.8"]
resolver.lifetime = 5.0
answers = resolver.resolve("www.tanetcdn.edu.tw" , 'A')
for data in answers:
server_ipv4 = str(data)
print(server_ipv4)
answers = resolver.resolve("www.tanetcdn.edu.tw" , 'AAAA')
for data in answers:
server_ipv6 = str(data)
print(server_ipv6)
if __name__ == '__main__':
try:
main()
input("按任意鍵結束")
except Exception as e :
print(e)
input('按任意鍵結束')
#test()