#!/bin/bash


# Set to remote share
SRCMNT="192.168.240.1:/mnt/storage/share"

# Set to local mount path
DSTMNT="/media/share"

# Do not edit!

HOST=$(echo -n $SRCMNT | cut -d':' -f1)
SRCDOWN=1;
SRCSRVUP=0;

# Check for required utils
NMAP=$(which nmap);
PING=$(which ping);

if [ $(echo -n $NMAP | wc -m) -le 1 ]; then
	echo "Error: nmap required";
	exit;
fi

if [ $(echo -n $PING | wc -m) -le 1 ]; then
	echo "Error: ping required";
	exit;
fi

echo " * Preparing to mount $SRCMNT ..."
echo -n " * Waiting for $HOST "

# Wait for ping
while [ $SRCDOWN -ne "0" ]; do
	$PING -q -c 1 -w 1 $HOST &> /dev/null; SRCDOWN=$?;
	if [ $SRCDOWN -eq "0" ]; then
		break;
	fi
	echo -n '.'; sleep 3;
done

# Got ping, now wait for nfs service
while [ $SRCSRVUP -ne "1" ]; do
	SRCSRVDOWN=$($NMAP -sT -p 2049 -P0 -T5 -n $HOST | grep open | wc -l)
	if [ $SRCSRVDOWN -eq "1" ]; then
		break;
	fi
	echo -n '.'; sleep 3;
done

echo " Up."

# Got NFS Service, but FreeNAS rejects auth until settled
# So retry every 10 seconds (usually mounts by 3rd try)
if [ ! "$(grep $SRCMNT /etc/mtab)" ]; then
	echo -n " * Mounting $SRCMNT on $DSTMNT "
	while [ ! "$(grep $SRCMNT /etc/mtab)" ]; do
		mount -t nfs $SRCMNT $DSTMNT &> /dev/null
		if [ ! "$(grep $SRCMNT /etc/mtab)" ]; then
			echo -n "."
			sleep 10
		else
			echo " Done."
			break;
		fi
	done
else
	echo " * Already mounted: $SRCMNT "
fi