#! /bin/bash
SYS=`uname -r`
if [ -f /etc/debian_version ]; then
    OS=debian  
elif [ -f /etc/redhat-release ]; then
    OS=redhat
    systemctl stop firewalld.service
else
    OS=unknown
fi    


if [ -d /mnt/huge ]; then
  echo >> /dev/null
else
  echo "Create huge node"                                
  mkdir -p /mnt/huge
fi

if ! mount | grep hugetlbfs >> /dev/null ; then 
    mount -t hugetlbfs nodev /mnt/huge  
fi  


for file in /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages /sys/devices/system/node/node1/hugepages/hugepages-2048kB/nr_hugepages ; do
    if [ -e $file ] ; then 
        if [ "$(cat $file)" != "2048" ] ; then
          echo 2048 > $file
        fi  
    fi
done

if ! lsmod | grep -q igb_uio  ;  then
    echo "Load the drivers for the first time "
    modprobe uio
    km=ko/$SYS/igb_uio.ko
    if [ -e $km ] ; then 
        insmod $km
    else
        echo "ERROR kernel module is not supported for this OS"
        echo "Please run the following commands: "
        echo "\$cd ko/src  "
        echo "\$make  "
        echo "\$make install  "
        echo "\$cd -  "
        echo "and try to run it again "
        exit 1
    fi
fi

# try to bind the ports from the configuration file (new DPDK)
PARENT_ARGS="$0 $@"
if ! ./dpdk_setup_ports.py --parent "$PARENT_ARGS";  then
    exit 1
fi