#!/sbin/openrc-run
# Copyright 2023 Gentoo Authors
#
# Distributed under the terms of the GNU General Public License v2

name="fastd"
description="fastd (Fast and Secure Tunnelling Daemon)"

# usage would be i.e. fastd.my_vpn
IFACE="${RC_SVCNAME#*.}"

command="/usr/bin/fastd"
command_args="--syslog-level info --syslog-ident fastd.${IFACE} --config /etc/fastd/${IFACE}/fastd.conf"
pidfile="/run/${RC_SVCNAME}.pid"
command_args_background="--daemon --pid-file ${pidfile}"

depend() {
    need net
    use dns
}

extra_commands="checkconfig"
checkconfig() {
    if [ "${IFACE}" = "${RC_SVCNAME}" ]; then
        eerror "You cannot call this init script directly. You must create a symbolic link to it with the configuration name:"
        eerror "    mkdir -p /etc/fastd/my_vpn"
        eerror "    nano /etc/fastd/my_vpn/fastd.conf"
        eerror "    ln -s /etc/init.d/fastd /etc/init.d/fastd.my_vpn"
        eerror "And then call it instead:"
        eerror "    /etc/init.d/fastd.my_vpn start"
        return 1
    fi
    fastd --config "/etc/fastd/${IFACE}/fastd.conf" --verify-config
}

start_pre() {
  # If this isn't a restart, make sure that the user's config isn't
  # busted before we try to start the daemon (this will produce
  # better error messages than if we just try to start it blindly).
  #
  # If, on the other hand, this *is* a restart, then the stop_pre
  # action will have ensured that the config is usable and we don't
  # need to do that again.
  if [ "${RC_CMD}" != "restart" ] ; then
    checkconfig || return $?
  fi
}

stop_pre() {
  # If this is a restart, check to make sure the user's config
  # isn't busted before we stop the running daemon.
  if [ "${RC_CMD}" = "restart" ] ; then
      checkconfig || return $?
  fi
}