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#!/bin/bash
echo ""
# --> TODO: Check https://getbitcoinblockchain.com/
# *** BITCOIN Torrent ***
bitcoinTorrent="raspiblitz-bitcoin-2018-07-16"
bitcoinTorrentsize=231230404
# *** LITECOIN Torrent ***
litecoinTorrent="raspiblitz-litecoin-2018-07-29"
litecoinTorrentsize=10240000
# load network
network=`cat .network`
## experimental redirect if bitcoin
#if [ "$network" = "bitcoin" ]; then
# ./50torrentHDD.sh
# exit 1
#fi
# make sure rtorrent is available
sudo apt-get install rtorrent -y
echo ""
# settings based on network
torrent=$bitcoinTorrent
size=$bitcoinTorrentsize
if [ "$network" = "litecoin" ]; then
torrent=$litecoinTorrent
size=$litecoinTorrentsize
fi
# screen background monitoring settings
name="Torrent"
targetDir="/mnt/hdd/torrent"
targetSize=$size
sessionDir="/home/admin/.rtorrent.session/"
command="sudo rtorrent -n -d ${targetDir} -s ${sessionDir} /home/admin/assets/${torrent}.torrent"
# 2 screen sessions - differnt rtorrent session dir?
#sudo rtorrent -n -d /mnt/hdd/torrent -s /home/admin/.rtorrent.session/ https://getbitcoinblockchain.com/blockchain.torrent
#sudo rtorrent -n -d /mnt/hdd/torrent -s /home/admin/.rtorrent.session/ https://getbitcoinblockchain.com/update.torrent
# starting screen 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"
sudo mkdir ${targetDir} 2>/dev/null
sudo mkdir ${sessionDir} 2>/dev/null
screenCommand="screen -S ${name} -L screen.log -dm ${command}"
echo "${screenCommand}"
bash -c "${screenCommand}"
else
echo "Continue screen session"
fi
sleep 3
# monitor screen session
screenDump="... started ..."
actualSize=0
torrentComplete=0
while :
do
# check if completed by inspecting rtorrent session files
torrentComplete=$(cat /home/admin/.rtorrent.session/*.torrent.rtorrent | grep ':completei1' -c)
if [ ${torrentComplete} -eq 1 ]; then
echo "OK - torrent finished"
break
fi
# calculate progress and write it to file for LCD to read
freshSize=$( 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"
actualSize=$freshSize
# display info screen
clear
echo "****************************************************"
echo "Monitoring Screen Session: ${name}"
echo "Progress: ${progress}% (${actualSize} of ${targetSize})"
echo "If needed press key x to stop ${name}"
echo "NOTICE: This can take multiple hours or days !!"
echo "Its OK to close terminal now and SSH back in later."
echo "****************************************************"
screen -S ${name} -X hardcopy .${name}.out
newScreenDump=$(cat .${name}.out | grep . | tail -8)
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 .${name}.progress
# quit session if still running
isRunning=$( screen -S ${name} -ls | grep "${name}" -c )
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
sudo pkill -P ${sessionPID}
echo "proccesses killed"
sleep 3
# tell the screen session to quit and wait a bit
screen -S ${name} -X quit 1>/dev/null
sleep 3
echo "cleaning screen"
screen -wipe 1>/dev/null
sleep 3
fi
# the path torrent will download to
targetPath="${targetDir}/${torrent}"
echo "path to downloaded data is ${targetPath}"
# calculate progress and write it to file for LCD to read
finalSize=$( du -s ${targetDir} 2>/dev/null | head -n1 | awk '{print $1;}' )
if [ ${#finalSize} -eq 0 ]; then
finalSize=0
fi
echo "final size is ${finalSize} of targeted size ${targetSize}"
# check result
if [ ${finalSize} -lt ${targetSize} ]; then
# Download failed
sleep 3
echo -ne '\007'
dialog --title " WARNING " --yesno "The download failed or is not complete. Maybe try again (later). Do you want keep already downloaded data for next try?" 8 57
response=$?
case $response in
1) sudo rm -rf ${targetDir} ;;
esac
./00mainMenu.sh
exit 1;
else
# Download worked / just move, copy on USB2 >4h
echo "*** Moving Files ***"
echo "START"
date +%s
sudo mv ${targetPath} /mnt/hdd/${network}
echo "OK"
date +%s
# continue setup
./60finishHDD.sh
fi