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#!/bin/sh
echo ""
# *** BITCOIN ***
bitcoinList="" # url to list with other sources
bitcoinUrl="ftp://anonymous:anonymous@tll9xsfkjht8j26z.myfritz.net/raspiblitz-bitcoin-2018-07-16"
bitcoinSize=100
# *** LITECOIN ***
litecoinList="" # url to list with other sources
litecoinUrl="ftp://anonymous:anonymous@ftp.rotzoll.de/pub/raspiblitz-litecoin-2018-07-29"
litecoinSize=19000000
# load network
network=`cat .network`
# settings based on network
list=$bitcoinList
url=$bitcoinUrl
size=$bitcoinSize
if [ "$network" = "litecoin" ]; then
list=$litecoinList
url=$litecoinUrl
size=$litecoinSize
fi
# screen background monitoring settings
name="Download"
targetDir="/mnt/hdd/download/"
targetSize=$size
maxTimeoutLoops=100
command="sudo wget -c -r -P ${targetDir} -q --show-progress ${url}"
# starting session if needed
echo "checking if ${name} has a running screen session"
screen -wipe 1>/dev/null
isRunning=$( screen -S ${name} -ls | grep "${name}" -c )
echo "isRunning(${isRunning})"
if [ ${isRunning} -eq 0 ]; then
echo "Starting screen session"
screen -S ${name} -dm ${command}
else
echo "Continue screen session"
fi
sleep 3
# monitor session
screenDump="... started ..."
actualSize=0
timeout=1
timeoutInfo="-"
while :
do
# check if session is still running
screen -wipe 1>/dev/null
isRunning=$( screen -S ${name} -ls | grep "${name}" -c )
if [ ${isRunning} -eq 0 ]; then
timeout=0
echo "OK - session finished"
break
fi
# calculate progress and write it to file for LCD to read
freshSize=$( du -s ${targetDir} | head -n1 | awk '{print $1;}' )
if [ ${#actualSize} -eq 0 ]; then
freshSize=0
fi
progress=$(echo "scale=2; $freshSize*100/$targetSize" | bc)
echo $progress > '.${name}.progress'
# detect if since last loop any progress occured
if [ ${actualSize} -eq ${freshSize} ]; then
timeoutInfo="${timeout}/${maxTimeoutLoops}"
timeout=$(( $timeout + 1 ))
else
timeout=1
timeoutInfo="no timeout detected"
fi
actualSize=$freshSize
# detect if mx timeout loop limit is reached
if [ ${timeout} -gt ${maxTimeoutLoops} ]; then
echo "FAIL - download hit timeout"
break
fi
# display info screen
clear
echo "****************************************"
echo "Monitoring Screen Session: ${name}"
echo "Progress: ${progress}% (${actualSize} of ${targetSize})"
echo "Timeout: ${timeoutInfo}"
echo "Press key x to abort this process"
echo "****************************************"
screen -S ${name} -X hardcopy .${name}.out
newScreenDump=$(cat .Download.out | grep . | tail -15)
if [ ${#newScreenDump} -gt 0 ]; then
screenDump=$newScreenDump
fi
echo $screenDump
# wait 2 seconds for key input
read -n 1 -t 2 keyPressed
# check if user wants to abort session
if [ "${keyPressed}" = "x" ]; then
echo ""
echo "Aborting ${name}"
break
fi
done
# clean up
rm -f .${name}.out
rm -f .${name}.progress
# quit session if still running
if [ ${isRunning} -eq 1 ]; then
# get the PID of screen session
sessionPID=$(screen -ls | grep "${name}" | cut -d "." -f1 | xargs)
echo "killing screen session PID(${sessionPID})"
# kill all child processes of screen sceesion
pkill -P ${sessionPID}
echo "processes killed"
sleep 3
# tell the screen session to quit and wait a bit
screen -S ${name} -X quit 1>/dev/null
sleep 3
echo "cleaning screen"
screen -wipe 1>/dev/null
sleep 3
fi
# the path wget will download to
targetPath=$(echo ${url} | cut -d '@' -f2)
echo "path to downloaded data is ${targetPath}"
# calculate progress and write it to file for LCD to read
finalSize=$( du -s ${targetDir} | head -n1 | awk '{print $1;}' )
if [ ${#actualSize} -eq 0 ]; then
finalSize=0
fi
echo "final size is ${finalSize} of targeted size ${targetSize}"
# check result
if [ ${finalSize} -lt ${targetSize} ]; then
# Download failed
sleep 3
echo -ne '\007'
dialog --title " WARNING " --yesno "The download failed or is not complete. Do you want keep already downloaded data?" 6 57
response=$?
case $response in
1) sudo rm -rf ${targetDir}${targetPath} ;;
esac
./00mainMenu.sh
exit 1;
else
# Download worked
echo "*** Moving Files ***"
sudo mv ${targetDir}${targetPath} /mnt/hdd/${network}
echo "OK"
# continue setup
./60finishHDD.sh
fi