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ezping.py
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ezping.py
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"""
Ping ip.
"""
import subprocess
import ipaddress
import argparse
import logging
import signal
import time
import sys
import re
import os
from util import parse_duration, get_log_name
from log_parser import export_report
def print_log_path():
"""
Print save path.
"""
print(f"""\033[1;33m
_____________________________________________________
| |
| LOG SAVED IN {log_name_with_path} <<
|_____________________________________________________|\033[1;37m\n"""
)
# pylint: disable-next=unused-argument
def signal_handler(signum, frame):
"""
Show interrupt message when press Ctrl-C.
"""
# pylint: disable-next=no-member
if signum == signal.SIGINT.value:
print("\n")
logger.info("Program terminated by keyboard interrupt.")
sys.exit()
def ping(host: str, pkt_loss: int, pkt_recv: int,
ping_sum:int, pktsize: int = -1):
"""
Ping target ip.
"""
result = subprocess.getoutput(f"ping {host} -c 1 {f'-s {pktsize}' if pktsize != -1 else ''}")
ping_ms = re.search(string=result, pattern=r"\d. bytes from .*time=(\d*\.\d*) ms")
if ping_ms is not None:
pkt_recv += 1
ping_sum += float(ping_ms.group(1))
avg_ping = round(ping_sum / pkt_recv, 3)
logger.info(
"%s > %s ms. | Packet received: %d, loss: %d | Average: %.3fms",
host,
ping_ms.group(1),
pkt_recv,
pkt_loss,
avg_ping,
)
return pkt_loss, pkt_recv, ping_sum
loss = re.search(string=result, pattern=r".*(\d{3})% packet loss.*")
if loss is not None and loss.group(1) == "100":
logger.warning("%s has no response.", host)
pkt_loss += 1
else:
logger.critical("Program error on parsing ping response.")
return pkt_loss, pkt_recv, ping_sum
if __name__ == "__main__":
if not sys.platform.startswith('linux'):
print("Unsupport platform. Program terminated.")
sys.exit()
parser = argparse.ArgumentParser()
parser.add_argument("ip", help="Target IP",
type=str, default=None)
parser.add_argument("-i", "--interval", help="Interval between pings. Default=1",
type=float, default=1)
parser.add_argument("-s", "--pktsize", help="Packet size",
type=int, default=-1)
parser.add_argument("-l", "--logpath", help="Log save path. Default=\"./logs\"",
type=str, default="./logs")
parser.add_argument("-d", "--duration", help="Execute time. Format: 1d2h3m4s",
type=str, default=None)
parser.add_argument("-t", "--till", help="Execute till the time. Format: YYYY/MM/DD_hh:mm:ss",
type=str, default=None)
parser.add_argument("-o", "--output", help="Generate html report. Default: True",
type=bool, default=True)
parser.add_argument("-n", "--notify",
help="Send brief notify to client. Enable html report is needed",
type=str, choices=["", "line_notify"], default="")
args = parser.parse_args()
if args.ip is None:
print("Insufficient argument. Program terminated.")
sys.exit()
log_path = f"{args.logpath}/{args.ip}"
os.makedirs(args.logpath, exist_ok=True)
os.makedirs(log_path, exist_ok=True)
log_name, log_name_with_path = get_log_name(
log_path=log_path, log_name=time.strftime("%Y_%m_%d")
)
logger = logging.getLogger(name='ezping')
logger.setLevel(logging.INFO)
dev_handler = logging.StreamHandler()
file_handler = logging.FileHandler(log_name_with_path, "a")
dev_formatter = logging.Formatter("[%(asctime)s] %(levelname)s | %(name)s > %(message)s")
dev_handler.setFormatter(dev_formatter)
file_handler.setFormatter(dev_formatter)
logger.addHandler(dev_handler)
logger.addHandler(file_handler)
try:
ipaddress.ip_address(args.ip)
logger.info("%s is a valid IP. Start ping.", args.ip)
print_log_path()
except ValueError:
logger.error("%s is not a valid IP. Program terminated.", args.ip)
sys.exit()
signal.signal(signal.SIGINT, signal_handler)
ploss = 0
precv = 0
psum = 0.0
if args.duration is not None:
end_time = time.time() + parse_duration(args.duration)
while time.time() <= end_time:
ploss, precv, psum = ping(
host=args.ip, pktsize=args.pktsize, pkt_loss=ploss,
pkt_recv=precv, ping_sum=psum
)
time.sleep(args.interval)
if args.till is not None:
end_time = time.strptime(args.till, "%Y/%m/%d_%H:%M:%S")
while time.localtime() <= end_time:
ploss, precv, psum = ping(
host=args.ip, pktsize=args.pktsize, pkt_loss=ploss,
pkt_recv=precv, ping_sum=psum
)
time.sleep(args.interval)
if args.duration is None and args.till is None:
while True:
ploss, precv, psum = ping(
host=args.ip, pktsize=args.pktsize, pkt_loss=ploss,
pkt_recv=precv, ping_sum=psum
)
time.sleep(args.interval)
logger.info("Ping finish. Program terminated.")
if args.output:
export_report(log_name=log_name, log_path=log_path, notify=args.notify)
print("\033[0m")