Show timeseries and histogram of output from ping -D

plotly_ping.py

#!/usr/bin/env python3
import argparse
import re
from datetime import datetime

import numpy as np
import plotly.graph_objects as go
from plotly.subplots import make_subplots


def main():
    argparser = argparse.ArgumentParser()
    argparser.add_argument("ping_logfile", 
                           help="Output of the command ping -D your.remote.hosts.ip")
    args = argparser.parse_args()
    log_file = args.ping_logfile

    data = parse_ping_log(log_file)
    data["datetime"] = [datetime.fromtimestamp(
        ut) for ut in data["unixtimestamp"]]

    fig = make_subplots(rows=2, cols=1)
    fig.add_trace(go.Scatter(x=data["datetime"], y=data["ping [ms]"],
                             mode="markers", showlegend=False, name="ping [ms]"),
                  row=1, col=1)
    fig.add_trace(go.Histogram(x=data["ping [ms]"], showlegend=False, name="ping [ms]"),
                  row=2, col=1)
    fig.update_layout(
        yaxis_title="ping [ms]",
        yaxis2_title="Count",
        yaxis2_type="log",
        xaxis2_type="log",
        xaxis2_title="ping [ms]"
    )
    fig.show()


def parse_ping_log(filename):
    """ Parse the output of a ping -D command.

    The ping -D option includes the a unix timestamp in the output.

    Paramters
    ---------
    filename : str
        Path of the stored output log.

    Returns
    -------
    dict
        Dict containing the parsed info.
    """
    ptrn = re.compile(
        r"\[([0-9\.]+)\] 64 bytes from ([0-9\.]+): icmp_seq=([0-9]+) ttl=([0-9]+) time=([0-9\.]+) ms")
    data = {"unixtimestamp": [], "ip": "",
            "icmp_seq": [], "ttl": [], "ping [ms]": []}
    with open(filename, "r") as in_file:
        for line in in_file:
            m = re.match(ptrn, line.strip())
            if m is not None:
                ts, ip, icmp_seq, ttl, time = m.groups()
                data["unixtimestamp"].append(int(float(ts)))
                data["ip"] = ip
                data["icmp_seq"].append(int(icmp_seq))
                data["ttl"].append(int(ttl))
                data["ping [ms]"].append(float(time))
    return data


if __name__ == "__main__":
    main()