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How to use ping_async method in lisa

Best Python code snippet using lisa_python

scanner.py

Source:scanner.py

1import netaddr2from datetime import datetime3import time4import re5import os6import asyncio7from modules.logger import logging8from modules.config import config9subnets = config['subnet_dict']10def scan(devices):11    device_count = len(devices)12    logging.debug(f"Scanning {device_count}")13    start_time = time.monotonic()14    results = asyncio.run(main(devices))15    end_time = time.monotonic()16    logging.info(f'Completed {device_count} in {end_time - start_time} seconds')17    return results18    19async def main(devices):20    return await asyncio.gather(*[survey_device(device) for device in devices])21async def survey_device(device):22    ping_string, ping_code = await ping_device(device.id)23    device = interpret_ping_result(ping_string, ping_code, device)24    cur_time = datetime.utcnow().strftime("%Y-%m-%d %H:%M")25    device.time_stamp = cur_time26    if (device.ping_code == 0):27        device.lastup = cur_time28    return device29async def ping_device(device):30    if os.name == 'posix':31        ping_async = await asyncio.create_subprocess_exec(32            'ping',33            f'{device}',34            '-c 1',35            #'-4'36            stdout=asyncio.subprocess.PIPE,37            stderr=asyncio.subprocess.PIPE)38    elif os.name == 'nt':39        ping_async = await asyncio.create_subprocess_shell(40            f'ping {device} /4 /n 1', 41            stdout=asyncio.subprocess.PIPE,42            stderr=asyncio.subprocess.PIPE) 43    stdout, stderr = await ping_async.communicate()44    if stdout:45        ping_result = stdout.decode()46    elif stderr:47        ping_result = stderr.decode()48    ping_code = int(ping_async.returncode)49    if os.name == 'nt' and ping_code == 1:50        ping_code = 251    return ping_result, ping_code52def interpret_ping_result(ping_result, ping_code, device):53    device.ping_code = ping_code54    if os.name == 'nt':55        if device.ping_code == 1:56            device.ping_code = 257        if device.ping_code == 0 and "Destination host unreachable" in ping_result:58            device.ping_code = 159    if device.ping_code == 0:60        device.ip = get_IP(ping_result)61        device.location = get_location(ping_result)62        device.ping_time = get_time(ping_result)63    else:64        device.location = 'Unknown'65        device.ip = '0.0.0.0'66        device.ping_time = '0.0'67    return device68def get_time(string):69    try:70        if os.name == 'posix':71            return str((re.search(r'time=\d+\.\d+', str(string))).group(0)).replace("time=","")72        elif os.name == 'nt':73            return str((re.search(r'time\D\d+', str(string))).group(0)).replace("time","").replace('=','').replace('<','')74    except:75        return '0.0'76def get_IP(string):77    try:78        return (re.search(r'\d+\.\d+\.\d+\.\d+', str(string))).group(0)79    except:80        return '0.0.0.0'81def get_location(string):82    ip = netaddr.IPAddress(get_IP(string))83    for key in subnets:84        if (ip in netaddr.IPNetwork(key)):85            return subnets[key]...

ping.py

Source:ping.py

...13    )14    @property15    def command(self) -> str:16        return "ping"17    def ping_async(18        self,19        target: str = "",20        nic_name: str = "",21        count: int = 5,22        interval: float = 0.2,23        package_size: Optional[int] = None,24        sudo: bool = False,25    ) -> Process:26        if not target:27            target = INTERNET_PING_ADDRESS28        args: str = f"{target} -c {count} -i {interval} -O"29        if nic_name:30            args += f" -I {nic_name}"31        if package_size:32            args += f" -s {package_size}"33        return self.run_async(args, force_run=True, sudo=sudo)34    def ping(35        self,36        target: str = "",37        nic_name: str = "",38        count: int = 5,39        interval: float = 0.2,40        package_size: Optional[int] = None,41        ignore_error: bool = False,42        sudo: bool = False,43    ) -> bool:44        if not target:45            target = INTERNET_PING_ADDRESS46        result = self.ping_async(47            target=target,48            nic_name=nic_name,49            count=count,50            interval=interval,51            package_size=package_size,52            sudo=sudo,53        ).wait_result()54        # for some distro like RHEL, ping with -I nic_name needs sudo55        # otherwise, ping fails with below output:56        # 'ping: SO_BINDTODEVICE: Operation not permitted'57        if not sudo and self._no_permission_pattern.findall(result.stdout):58            result = self.ping_async(59                target=target,60                nic_name=nic_name,61                count=count,62                interval=interval,63                package_size=package_size,64                sudo=True,65            ).wait_result()66        if not ignore_error:67            result.assert_exit_code(68                message=(69                    "failed on ping. The server may not be reached."70                    f" ping result is {result.stdout}"71                ),72            )...

协程版本.py

Source:协程版本.py

...3sem = asyncio.Semaphore(10)4def raw_to_useful_async():5    loop = asyncio.get_event_loop()6    raw_proxies = ['60.13.42.83:9999', '37.187.127.216:8080', '111.194.108.198:9797']7    tasks = [ping_async(proxy) for proxy in raw_proxies]8    loop.run_until_complete(asyncio.wait(tasks))9    for i in tasks:10        print(i)11def valid_useful_proxy_async(proxy):12    ret = yield ping_async(proxy)13    if ret:...14        # self.redis.hset(self.useful_proxy_queue, raw_proxy, 0)15        # self.redis.hdel(self.raw_proxy_queue, raw_proxy)16        # self.log.info('ProxyRefreshSchedule: %s validation pass' % raw_proxy)17    ret = yield ping_async(None)18    if ret:...19        # count += 120        # if count >= FAIL_COUNT:21        #     self.redis.hdel(self.raw_proxy_queue, raw_proxy)22        # else:23        #     self.redis.hset(self.raw_proxy_queue, raw_proxy, count)24        # self.log.info('ProxyRefreshSchedule: %s validation fail' % raw_proxy)25    raise Exception("æ æ³è®¿é®å¤ç½ï¼éªè¯ä»£çç¨åºç»æ¢")26async def ping_async(proxy):27    async with sem:28        conn = aiohttp.TCPConnector(ssl=False)29        async with aiohttp.ClientSession(connector=conn) as session:30            proxy = proxy and "{sch}://{proxy}".format(sch="http", proxy=proxy)31            try:32                async with session.get('http://httpbin.org/ip', proxy=proxy, timeout=1, allow_redirects=False) as response:33                    if response.status == 200 and 'origin' in await response.json():34                        print('éªè¯æå', proxy)35                        return True36                    print('éªè¯...', proxy, response.status)37                    return False38            except:39                print('è¶æ¶äºå§')40                return False...

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