#!/sbin/openrc-run
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2


command="/opt/distributed.net/dnetc"
command_args="-e ${EMAIL}
	-inbase ${BUFFER_BASE_DIR}/buff-in
	-outbase ${BUFFER_BASE_DIR}/buff-out
	${KEYSERVER_ADDRESS:+-a ${KEYSERVER_ADDRESS}}"

# The dnetc daemon doesn't normally write a PID file, but we need one
# to reload it. So, we force the daemon to stay in the foreground with
# the -noquiet flag, and then tell start-stop-daemon to shove it into
# the background and create a PID file for it with command_background.
command_args_foreground="-noquiet"
command_background="true"
command_user="dnetc:dnetc"
pidfile="/run/dnetc.pid"
extra_started_commands="reload fetch flush"

description="distributed.net client"
description_flush="flush all output buffers"
description_fetch="fill all input buffers"
description_reload="restart all active clients"

depend() {
    use net
}

set_cpu_share() {
    # fair group cpu scheduler
    uidpath="/sys/kernel/uids/$(id -u dnetc)"
    [ -d "${uidpath}" ] && echo 2 > "${uidpath}/cpu_share"
    unset uidpath
}

start_pre() {
    if [ -z "${EMAIL}" ] ; then
	eerror "you must configure your email address in /etc/conf.d/dnetc"
	return 1
    fi
    set_cpu_share
}

reload() {
    ebegin "Reloading distributed.net client"
    start-stop-daemon --signal HUP --pidfile="${pidfile}"
    eend ${?}
}

fetch() {
    ebegin "Fetching distributed.net client buffers"
    ${command} ${command_args} -fetch
    eend ${?}
}

flush() {
    ebegin "Flushing distributed.net client buffers"
    ${command} ${command_args} -flush
    eend ${?}
}