#!/bin/sh

SCRIPTPATH="${0%/*}"
cd "${SCRIPTPATH}/.."
APPPATH="$(pwd)"
APPNAME="frpc"
ARCHBINPATH="${APPPATH}/bin/arch"
BINPATH="${APPPATH}/bin/${APPNAME}"

_arch_select() {
    ${BINPATH} -v && return 0
    ls -1 ${ARCHBINPATH}/ | while read archbin
    do
        ${ARCHBINPATH}/${archbin} -v && {
            ln -sf ${ARCHBINPATH}/${archbin} ${BINPATH}
            break
        }
    done
    [ -f ${BINPATHA} ] || return 2
}

_start() {
    CONFPATH="${APPPATH}/bin/frpc.ini"
    "${BINPATH}" -c "${CONFPATH}" >/dev/null &
}

_stop() {
    kill -9 "$(pidof ${APPNAME})"
    kill -11 "$(pidof ${APPNAME})"
}

_monitor() {
    pidof "${APPNAME}" 2>/dev/null
    if [ $? -ne 0 ] ; then
        _stop
        _start
    fi
}

## main start
inter=5
_arch_select || exit 2
while [ 1 -eq 1 ]
do
    _monitor
    sleep "${inter}"
done