#!/sbin/openrc-run
# Copyright 1999-2016 Gentoo Foundation
# Copyright 2018 l-n-s <supervillain@riseup.net>
# Distributed under the terms of the GNU General Public License v2

description="C++ daemon for accessing the I2P network"
description_graceful="Graceful shutdown, takes 10 minutes"

command="/usr/sbin/i2pd"
command_args="${I2PD_OPTIONS}"
user="${I2PD_USER}:${I2PD_GROUP}"
start_stop_daemon_args="
    --user \"${user}\"
    --pidfile \"${I2PD_PID}\"
    --progress
"
retry="SIGTERM/20/SIGKILL/20"

I2PD_PID_DIR=$(dirname "${I2PD_PID}")

extra_started_commands="graceful"

depend() {
    need net
    after firewall
    use dns logger netmount
}

start_pre() {
    if [ -z "${I2PD_USER}" ] || \
       [ -z "${I2PD_GROUP}" ] || \
       [ -z "${I2PD_PID}" ] || \
       [ -z "${I2PD_OPTIONS}" ] ; then
        eerror "Not all variables I2PD_USER, I2PD_GROUP, I2PD_PID, I2PD_OPTIONS are defined."
        eerror "Check your /etc/conf.d/i2pd."
        return 1
    fi
    if [ -n "${I2PD_LOG}" ]; then
        checkpath -f -o "${user}" "${I2PD_LOG}"
    fi
    checkpath -d -m 0750 -o "${user}" "${I2PD_PID_DIR}"
}

graceful() {
    # on SIGINT, i2pd stops accepting tunnels and shuts down in 600 seconds
    ebegin "Gracefully stopping i2pd, this takes 10 minutes"
    mark_service_stopping
    eval start-stop-daemon --stop ${start_stop_daemon_args} \
        --exec "${command}" --retry 'SIGINT/620/SIGTERM/20/SIGKILL/20'
    eend $? && mark_service_stopped
}