#!/bin/sh /etc/rc.common
# NFSV3 init script for OpenWrt
# Copyright (C) 2025 OpenWrt.org

START=99
STOP=60
USE_PROCD=1

CONFIG_FILE="/etc/config/nfsd"
NFS_D=/var/lib/nfs
RECOVERY_D=$NFS_D/v4recovery
LOCK_D=/var/lib/nfs/sm
VAR_NFS=/var/lib/nfs

start_service() {
	logger -t "nfsd" -p notice "Starting the NFSV3 daemon"
	grep -q /proc/fs/nfsd /proc/mounts || \
		mount -t nfsd nfsd /proc/fs/nfsd
	mkdir -p "$NFS_D" "$RECOVERY_D" "$LOCK_D" "$VAR_NFS"
	chown nfs:nfs "$VAR_NFS"
	touch "$NFS_D/rmtab"

	sysctl -w fs.nfs.nlm_tcpport=32777 fs.nfs.nlm_udpport=32777 > /dev/null

	procd_open_instance
	procd_set_param command /usr/sbin/rpc.statd -p 32778 -o 32779 -F
	procd_close_instance

	/usr/sbin/exportfs -r
	/usr/sbin/rpc.nfsd --grace-time 10

	procd_open_instance
	procd_set_param command /usr/sbin/rpc.mountd -p 32780 -F
	procd_close_instance
}

stop_service() {
	rpc.nfsd 0 2>/dev/null
	/usr/sbin/exportfs -au
	grep -q /proc/fs/nfsd /proc/mounts && umount /proc/fs/nfsd
}

service_triggers() {
	export_dirs="$(while read -r mp _r; do echo "$mp "; done < /etc/exports)"
	procd_add_reload_mount_trigger "$export_dirs"
}