#! /bin/bash

# test kill -9

PROCESSES=4
function close() {
	ipcrm -a
	ps -ef | grep "heart_beat" | awk  '{print $2}' | xargs -i kill -9 {}
	 
}

function start_server() {
	
	./heart_beat server 101 & server_pid=$!
	echo "start server pid ${server_pid}"
}

function start_clients() {
	for (( i=0; i<$PROCESSES; i++ ))
	do
		# pid_arr[$i]=$i
		./heart_beat client 101 & pid_arr[$i]=$!
		echo "start ${pid_arr[$i]}" 
	done
}

function close_clients() {
	for (( i=0; i<$PROCESSES; i++ ))
	do
		echo "kill ${pid_arr[$i]}" 
		kill -9 ${pid_arr[$i]}
		#./heart_beat client 101 & ${pid_arr[$i]}=$!
	done
}


case ${1} in
  "server")
  start_server
  ;;

  "clients")
  start_clients
  sleep 5
	close_clients
  ;;


  "close")
  close
  ;;

  "test2")
  start_server
	sleep 1
	start_clients
	sleep 5
	kill -15 server_pid
	sleep 2 
	close_clients
  ;;

  "")
	start_server
	sleep 1
	start_clients
	sleep 5
	close_clients
  ;;


  *)
  echo "error input"
  exit 1
  ;;
esac