#!/usr/bin/env bash

while true; do
  ssh ${@}
  echo "Connection lost at $(date +%H:%M:%S)."

  for I in {15..1}; do
    echo -ne "\rIdling for ${I} seconds...  "; sleep 1
  done
  echo ''

  TSTP="$(date +%H:%M:%S)"; dig +time=2 ${@} &> /dev/null; RSLT=${?}
  while [ ${RSLT} -ne 0 ]; do
    for I in {9..1}; do
      echo -ne "\rHost lookup failed at ${TSTP}.  Retrying in ${I}...  "; sleep 1
    done
    echo ''
    TSTP="$(date +%H:%M:%S)"; dig +time=2 ${@} &> /dev/null; RSLT=${?}
  done
  echo "Host lookup succeeded at ${TSTP}."

  TSTP="$(date +%H:%M:%S)"; ping -c 1 -W 2 ${@} &> /dev/null; RSLT=${?}
  while [ ${RSLT} -ne 0 ]; do
    for I in {9..1}; do
      echo -ne "\rPinging host failed at ${TSTP}.  Retrying in ${I}...  "; sleep 1
    done
    echo ''
    TSTP="$(date +%H:%M:%S)"; ping -c 1 -W 2 ${@} &> /dev/null; RSLT=${?}
  done
  echo "Host ping succeeded at ${TSTP}."

  for I in {5..1}; do
    echo -ne "\rRetrying SSH connection in ${I}...   "; sleep 1
  done
  echo ''
done