#!/bin/bash

SCRIPT_VER="1.1"

APP="RinetD BBR"
APP_VER="1.1"
APP_CATEGORY="System Services"
APP_SCOPE="system"
APP_ENABLED="yes"
SUPPORTED_ON="Ubuntu16.04,Ubuntu18.04,Ubuntu20.04"
LIBRARY="functions4.sh"

if [ "${SUPPORT-}" = '' ]; then
    SUPPORT="https://installers.rapidseedbox.com/scripts/whmcs_client_installers/support"
fi

LOGFILE="/var/log/whmcs_client_installers/${0}.log"
[ ! -d "/var/log/whmcs_client_installers" ] && mkdir -p "/var/log/whmcs_client_installers"

wget -4 -nc -q --no-check-certificate --timeout=20 --tries=5 ${SUPPORT}/${LIBRARY} >> "${LOGFILE}" 2>&1
if [ ! -f "./${LIBRARY}" ] ; then
    echo "55"
    echo "Error downloading \"${SUPPORT}/${LIBRARY}\"" >> "${LOGFILE}"
    exit 55
fi

# shellcheck source=support/functions4.sh
. "./${LIBRARY}"
SCRIPTENTRY

while : ; do

    main_rc=1

    CHECK_APP ; _rc=$?
    if [ ${_rc} -ne 0 ] ; then
        main_rc=${_rc}
        break
    fi

    WGET "${SUPPORT}/rinetd-bbr/rinetd-bbr" || break
    MV "${TMP_DIR}/rinetd-bbr" /usr/local/sbin || break
    CHMOD_FILE 0755 "/usr/local/sbin/rinetd-bbr" || break

    _dev="${DEV}"
    case "${_dev}" in
      "venet0")
          _dev="${_dev}:0"
          ;;
    esac

    cat <<-EOF > "/etc/systemd/system/rinetd.service"
	[Unit]
	Description=rinetd with bbr
	Documentation=https://github.com/tcp-nanqinlang/lkl-rinetd/releases

	[Service]
	ExecStart=/usr/local/sbin/rinetd-bbr -f -c /etc/rinetd-rsb.conf raw ${_dev}
	Restart=always
	User=root

	[Install]
	WantedBy=multi-user.target
	EOF

    cat <<-EOF > "/etc/rinetd-rsb.conf"
	0.0.0.0 2223 127.0.0.1 2222
	0.0.0.0 1443 127.0.0.1 443
	EOF

    SYSTEMD_RELOAD
    SVC_ENABLE  "rinetd"
    SVC_START   "rinetd"


    main_rc=0
    break

done


# Cleanup if error
if [ ${main_rc} -ne 0 -a ${main_rc} -ne 111 -a ${main_rc} -ne 117 ] ; then
    SVC_STOP       "rinetd"
    SVC_DISABLE    "rinetd"
    RM_FILES "/etc/systemd/system/rinetd.service"
    SYSTEMD_RELOAD
    RM_FILES 0755 "/usr/local/sbin/rinetd-bbr"
fi

SCRIPTEXIT