cidr2mask() { local i mask="" local full_octets=$(($1/8)) local partial_octet=$(($1%8)) for ((i=0;i<4;i+=1)); do if [ $i -lt $full_octets ]; then mask+=255 elif [ $i -eq $full_octets ]; then mask+=$((256 - 2**(8-$partial_octet))) else mask+=0 fi test $i -lt 3 && mask+=. done echo $mask } black='\E[30m' red='\E[31m' green='\E[32m' yellow='\E[33m' blue='\E[34m' magenta='\E[35m' cyan='\E[36m' white='\E[37m' reset_color='\E[00m' ROOT_UID=0 E_NOTROOT=67 HOSTNAME=$(hostname -f) trim () { echo "$1" | sed -n '1h;1!H;${;g;s/^[ \t]*//g;s/[ \t]*$//g;p;}' } trim2() { local var=$@ var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters echo -n "$var" } cecho() # Color-echo # arg1 = message # arg2 = color { local default_msg="No Message." message=${1:-$default_msg} color=${2:-$green} echo -e -n "$color$message$reset_color" echo return } echo_error() { local my_string="" until [ -z "$1" ] do my_string="$my_string$1" shift done cecho "$my_string" $red } echo_warning() { local my_string="" until [ -z "$1" ] do my_string="$my_string$1" shift done cecho "$my_string" $yellow } echo_success() { local my_string="" until [ -z "$1" ] do my_string="$my_string$1" shift done cecho "$my_string" $green } bash_exec() { output=$($1 2>&1) result=$? if [ $result -eq 0 ] then echo_success "$1" else echo_error "$1: $output" fi } extract() { if [ -f $1 ] ; then case $1 in *.tar.bz2) tar xvjf $1 ;; *.tar.gz) tar xvzf $1 ;; *.bz2) bunzip2 $1 ;; *.rar) unrar $1 ;; *.gz) gunzip $1 ;; *.tar) tar xvf $1 ;; *.tbz2) tar xvjf $1 ;; *.tgz) tar xvzf $1 ;; *.zip) unzip $1 ;; *.Z) uncompress $1 ;; *.7z) 7z x $1 ;; *) echo_error "'$1' cannot be extracted via >extract<" ; return 1;; esac else echo_error "'$1' is not a valid file" return 1 fi return 0 } set_openair() { path=`pwd` declare -i length_path declare -i index length_path=${#path} for i in 'openair1' 'openair2' 'openair3' 'openair-cn' 'targets' do index=`echo $path | grep -b -o $i | cut -d: -f1` #echo ${path%$token*} if [[ $index -lt $length_path && index -gt 0 ]] then declare -x OPENAIR_DIR index=`expr $index - 1` openair_path=`echo $path | cut -c1-$index` #openair_path=`echo ${path:0:$index}` export OPENAIR_DIR=$openair_path export OPENAIR_HOME=$openair_path export OPENAIR1_DIR=$openair_path/openair1 export OPENAIR2_DIR=$openair_path/openair2 export OPENAIR3_DIR=$openair_path/openair3 export OPENAIRCN_DIR=$openair_path/openair-cn export OPENAIR_TARGETS=$openair_path/targets return 0 fi done return -1 } wait_process_started () { if [ -z "$1" ] then echo_error "WAITING FOR PROCESS START: NO PROCESS" return 1 fi ps -C $1 > /dev/null 2>&1 while [ $? -ne 0 ]; do echo_warning "WAITING FOR $1 START" sleep 2 ps -C $1 > /dev/null 2>&1 done echo_success "PROCESS $1 STARTED" return 0 } is_process_started () { if [ -z "$1" ] then echo_error "WAITING FOR PROCESS START: NO PROCESS" return 1 fi ps -C $1 > /dev/null 2>&1 if [ $? -ne 0 ] then echo_success "PROCESS $1 NOT STARTED" return 1 fi echo_success "PROCESS $1 STARTED" return 0 } assert() { # If condition false # exit from script with error message E_PARAM_ERR=98 E_PARAM_FAILED=99 if [ -z "$2" ] # Not enought parameters passed. then return $E_PARAM_ERR fi lineno=$2 if [ ! $1 ] then echo "Assertion failed: \"$1\"" echo "File \"$0\", line $lineno" exit $E_ASSERT_FAILED fi } test_command_install_package() { # usage: test_command_install_package searched_binary package_to_be_installed_if_binary_not_found optional_option_to_apt_get_install if [ $# -eq 2 ]; then command -v $1 >/dev/null 2>&1 || { echo_warning "Program $1 is not installed. Trying installing it." >&2; apt-get install $2 -y; command -v $1 >/dev/null 2>&1 || { echo_error "Program $1 is not installed. Aborting." >&2; exit 1; };} else if [ $# -eq 3 ]; then command -v $1 >/dev/null 2>&1 || { echo_warning "Program $1 is not installed. Trying installing it (apt-get install $3 $2)." >&2; apt-get install $3 $2 -y; command -v $1 >/dev/null 2>&1 || { echo_error "Program $1 is not installed. Aborting." >&2; exit 1; };} else echo_success "test_command_install_package: BAD PARAMETER" exit 1 fi fi echo_success "$1 available" } test_command_install_script() { # usage: test_command_install_script searched_binary script_to_be_invoked_if_binary_not_found command -v $1 >/dev/null 2>&1 || { echo_warning "Program $1 is not installed. Trying installing it." >&2; bash $2; command -v $1 >/dev/null 2>&1 || { echo_error "Program $1 is not installed. Aborting." >&2; exit 1; };} echo_success "$1 available" } start_openswitch_daemon() { rmmod -s bridge if [[ -e "/lib/modules/`uname -r`/extra/openvswitch.ko" ]] ; then bash_exec "insmod /lib/modules/`uname -r`/extra/openvswitch.ko" > /dev/null 2>&1 else echo_error "/lib/modules/`uname -r`/extra/openvswitch.ko not found, exiting" exit -1 fi is_process_started "ovsdb-server" if [ $? -ne 0 ] then ovsdb-server --remote=punix:/usr/local/var/run/openvswitch/db.sock --remote=db:Open_vSwitch,manager_options --pidfile --detach wait_process_started "ovsdb-server" fi # To be done after installation # ovs-vsctl --no-wait init is_process_started "ovs-vswitchd" if [ $? -ne 0 ] then ovs-vswitchd --pidfile --detach wait_process_started "ovs-vswitchd" fi } check_epc_config() { if [ ! -f $OPENAIR3_DIR/OPENAIRMME/UTILS/CONF/epc_$HOSTNAME.conf ] then echo "Cannot find file $OPENAIR3_DIR/OPENAIRMME/UTILS/CONF/epc_$HOSTNAME.conf" echo "Please make sure to create one that fits your use (you can use mme_default.conf file as template)" exit -1 fi } check_enb_config() { if [ ! -f $OPENAIR3_DIR/OPENAIRMME/UTILS/CONF/enb_$HOSTNAME.conf ] then echo "Cannot find file $OPENAIR3_DIR/OPENAIRMME/UTILS/CONF/enb_$HOSTNAME.conf" echo "Please make sure to create one that fits your use (you can use mme_default.conf file as template)" exit -1 fi } check_for_epc_executable() { if [ ! -f $OPENAIR3_DIR/OPENAIRMME/objs/OAI_EPC/oai_epc ] then echo "Cannot find oai_epc executable object in directory $OPENAIR3_DIR/OPENAIRMME/objs/OAI_EPC/" echo "Please make sure you have compiled OAI EPC with --enable-standalone-epc option" exit -1 fi } check_for_sgw_executable() { if [ ! -f $OPENAIR3_DIR/OPENAIRMME/objs/OAI_SGW/oai_sgw ] then echo "Cannot find oai_sgw executable object in directory $OPENAIR3_DIR/OPENAIRMME/objs/OAI_SGW/" echo "Please make sure you have compiled OAI EPC without --enable-standalone-epc option" exit -1 fi } check_for_mme_executable() { if [ ! -f $OPENAIR3_DIR/OPENAIRMME/objs/OAISIM_MME/oaisim_mme ] then echo "Cannot find oai_sgw executable object in directory $OPENAIR3_DIR/OPENAIRMME/objs/OAISIM_MME/" echo "Please make sure you have compiled OAI EPC without --enable-standalone-epc option" exit -1 fi } check_for_root_rights() { if [[ $EUID -ne 0 ]]; then echo "This script must be run as root" 1>&2 exit -1 fi } ########################################################### IPTABLES=/sbin/iptables THIS_SCRIPT_PATH=$(dirname $(readlink -f $0)) declare -x OPENAIR_DIR="" declare -x OPENAIR1_DIR="" declare -x OPENAIR2_DIR="" declare -x OPENAIR3_DIR="" declare -x OPENAIRCN_DIR="" declare -x OPENAIR_TARGETS="" ########################################################### set_openair cecho "OPENAIR_DIR = $OPENAIR_DIR" $green cecho "OPENAIR1_DIR = $OPENAIR1_DIR" $green cecho "OPENAIR2_DIR = $OPENAIR2_DIR" $green cecho "OPENAIR3_DIR = $OPENAIR3_DIR" $green cecho "OPENAIRCN_DIR = $OPENAIRCN_DIR" $green cecho "OPENAIR_TARGETS = $OPENAIR_TARGETS" $green