ping

import os
import platform
import subprocess
import time
import datetime

IP_PARA_LOG = "1.1.1.1"

print_in_terminal = True
log_text = False

def ping(host):
    if platform.system().lower() == "windows":
        ping_cmd = f"ping -n 1 {host}"
    else:
        ping_cmd = f"ping -w 3 -c 1 {host}"

    output = subprocess.getoutput(ping_cmd)

    if "unreachable" in output or "100% packet loss" in output:
        return False
    else:
        return True


def calcular_uptime(t_init, t_end):
    if (t_init == 0):
        return datetime.timedelta(hours = (t_end.hour - 3), minutes=t_end.minute, seconds=t_end.second)
    elif t_end == 0:
        return datetime.timedelta(hours = (t_init.hour - 3), minutes=t_init.minute, seconds=t_init.second)
    time_init = datetime.timedelta(hours = t_init.hour, minutes=t_init.minute, seconds=t_init.second)
    time_end = datetime.timedelta(hours = t_end.hour, minutes=t_end.minute, seconds=t_end.second)
    return (time_end - time_init)

def formatar_timedelta(timedelta):
    horas = timedelta.seconds // 3600
    minutos = (timedelta.seconds // 60) % 60
    segundos = timedelta.seconds % 60

    return f"{horas:02d}h {minutos:02d}min {segundos:02d}s"

def main():
    init_time = datetime.datetime.now()
    init_down = 0

    start_msg = f"Monitoramento ativo desde o dia {datetime.date.today().strftime('%d/%m/%Y')}"
    logname = f"{datetime.date.today()}_{time.time()}_uptime.txt"

    print(f"\x1b[0;34;40m{start_msg}\x1b[0m")
    while True:
        if ping(IP_PARA_LOG):
            con_restart = f"Conexão com a internet foi Restaurada {formatar_timedelta(calcular_uptime(datetime.datetime.now(), 0))}"

            uptime = formatar_timedelta(calcular_uptime(init_time, datetime.datetime.now()))
            logmessage = f"Conexão com a internet está ativa por {uptime}"

            if init_down != 0:
                print(f"\x1b[0;33m{con_restart}\x1b[0m")
                subprocess.getoutput(f"echo '{con_restart}' >> {logname}")

            if print_in_terminal:
                subprocess.getoutput(f"echo '{logmessage}' >> {logname}")
                print(f"\x1b[32;40m{logmessage}\x1b[0m", end="\r", flush=True)
            init_down = 0
        else:
            if init_down == 0:
                print()
                init_down = datetime.datetime.now()
                con_down = f"Conexão com a internet está off-line {formatar_timedelta(calcular_uptime(datetime.datetime.now(), 0))}"
                print(f"\x1b[0;31;40m{con_down}\x1b[0m")
                subprocess.getoutput(f"echo '{con_down}' >> {logname}")
            if print_in_terminal:
                print("", end="\r", flush=True)
            init_time = datetime.datetime.now()

        time.sleep(5)

main()

if __name__ == "__main__":
    main()