Calculate git-annex cost based on ping times for remote hosts.

annex-cost.sh

#!/bin/sh
#

PING="/sbin/ping"
PACKET_SIZE=64
PACKET_COUNT=10
PING_INTERVAL=1
TIMEOUT=2
BASE_COST=200

HOST=$1

# This one's for Max ping
PING_COST=`$PING -s $PACKET_SIZE -c $PACKET_COUNT -i $PING_INTERVAL -W $TIMEOUT $HOST | egrep "round-trip" | awk -F '/' '{print $6}'`

# This one's for Avg Ping
#PING_COST=`$PING -s $PACKET_SIZE -c $PACKET_COUNT -i $PING_INTERVAL -W $TIMEOUT $HOST | egrep "round-trip" | awk -F '/' '{print $5}'`

COST_INTEGER=`echo $PING_COST | awk -F '.' '{print $1}'`

let "COST = COST_INTEGER * 10 + BASE_COST"
#echo $PING_COST
#echo $COST_INTEGER
echo $COST

annex-cost6.sh

#!/bin/sh
#

PING="/sbin/ping6"
PACKET_SIZE=64
PACKET_COUNT=10
PING_INTERVAL=1
TIMEOUT=2
BASE_COST=200

HOST=$1

# This one's for Max ping
PING_COST=`$PING -s $PACKET_SIZE -c $PACKET_COUNT -i $PING_INTERVAL $HOST | egrep "round-trip" | awk -F '/' '{print $6}'`

# This one's for Avg Ping
#PING_COST=`$PING -s $PACKET_SIZE -c $PACKET_COUNT -i $PING_INTERVAL $HOST | egrep "round-trip" | awk -F '/' '{print $5}'`

COST_INTEGER=`echo $PING_COST | awk -F '.' '{print $1}'`

let "COST = COST_INTEGER * 10 + BASE_COST"
#echo $HOST
#echo $PING_COST
#echo $COST_INTEGER
echo $COST