#!/bin/bash

# COPYRIGHT NOTICE STARTS HERE
#
# Copyright 2019 Intel Co., Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# COPYRIGHT NOTICE ENDS HERE

# This script prepares the runtime environment
# for running vIPSec shell scripts on Ubuntu18.04

set -o nounset
set -o pipefail
set -o xtrace
set -o errexit


DPDK_DIR=$PWD/dpdk
Pktgen_Dir=$PWD/pktgen-dpdk

function setup_dependencies {
    sudo apt-get update
    git clone http://dpdk.org/git/dpdk
    git clone http://dpdk.org/git/apps/pktgen-dpdk
    KERNEL_VERSION=$(uname -r)
    echo $KERNEL_VERSION
    sudo apt-get install -y linux-headers-$KERNEL_VERSION libpcap-dev gcc make libnuma-dev liblua5.3-dev
}

function build_dpdk {
    export RTE_SDK=$DPDK_DIR
    export RTE_TARGET=x86_64-native-linux-gcc
    export DESTDIR=$DPDK_DIR
    cd $RTE_SDK
    make install T=x86_64-native-linux-gcc
    echo "DPDK install finished"
    modprobe uio
    insmod x86_64-native-linux-gcc/kmod/igb_uio.ko
    export interface=$(lspci -nn | grep -m1 'Ethernet controller' | cut -d ' ' -f 1)
    python ./usertools/dpdk-devbind.py -b igb_uio $interface
}

function build_pktgen {
    cd $Pktgen_Dir
    export RTE_SDK=$DPDK_DIR
    export RTE_TARGET=x86_64-native-linux-gcc
    make
}

mkdir /opt/config
echo "$demo_artifacts_version"                >  /opt/config/demo_artifacts_version.txt
echo "$vpg_private_ip_0"                      >  /opt/config/vpg_private_ip0.txt
echo "$ipsec_a_private_ip_0"                  >  /opt/config/ipsec_a_private_ip0.txt
echo "$protected_clientA_network_name"        >  /opt/config/protected_clientA_network_name.txt
echo "$dcae_collector_ip"                     >  /opt/config/dcae_collector_ip.txt
echo "$dcae_collector_port"                   >  /opt/config/dcae_collector_port.txt
echo "$protected_clientA_net_gw"              >  /opt/config/protected_clientA_net_gw.txt
echo "$protected_clientA_net_cidr"            >  /opt/config/protected_clientA_net_cidr.txt

echo 'vm.nr_hugepages = 1024' >> /etc/sysctl.conf
sysctl -p

setup_dependencies
build_dpdk
build_pktgen