From 0ee55ead4dd49578035a0c12cfdccf845d46b76d Mon Sep 17 00:00:00 2001
From: Lionel Gauthier <lionel.gauthier@eurecom.fr>
Date: Mon, 27 Jan 2014 11:34:50 +0000
Subject: [PATCH] UE+ENB in emulation on the same host
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4949 818b1a75-f10b-46b9-bf7c-635c3b92a50f
---
.../GENERIC-LTE-EPC/CONF/enb.host.yang.conf | 83 +++
.../GENERIC-LTE-EPC/start_lte-enb-ovs.bash | 121 ++++
.../GENERIC-LTE-EPC/start_lte-epc-ovs.bash | 169 +++++
targets/PROJECTS/GENERIC-LTE-EPC/utils.bash | 666 ++++++++++++++++++
4 files changed, 1039 insertions(+)
create mode 100755 targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.host.yang.conf
create mode 100755 targets/PROJECTS/GENERIC-LTE-EPC/start_lte-enb-ovs.bash
create mode 100755 targets/PROJECTS/GENERIC-LTE-EPC/start_lte-epc-ovs.bash
create mode 100755 targets/PROJECTS/GENERIC-LTE-EPC/utils.bash
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.host.yang.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.host.yang.conf
new file mode 100755
index 0000000000..fd38b03d16
--- /dev/null
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.host.yang.conf
@@ -0,0 +1,83 @@
+Active_eNBs = ( "eNB_Eurecom_0");
+
+eNBs =
+(
+ {
+ eNB_ID = 347472;
+
+ cell_type = "CELL_MACRO_ENB";
+
+ eNB_name = "eNB_Eurecom_0";
+
+ // Tracking area code, 0x0000 and 0xfffe are reserved values
+ tracking_area_code = 1;
+
+ mobile_country_code = 208;
+
+ // EXMIMO_IOT mobile_network_code = 92;
+ mobile_network_code = 10;
+
+ // Default Paging DRX of the eNB as defined in TS 36.304
+ default_paging_drx = "PAGING_DRX_256";
+
+ mme_ip_address = ( { ipv4 = "192.168.30.17";
+ ipv6 = "2192:168:30::17";
+ active = "yes";
+ preference = "ipv4";
+ },
+ { ipv4 = "192.168.30.18";
+ ipv6 = "2192:168:30::18";
+ active = "no";
+ preference = "ipv4";
+ }
+ );
+ },
+ {
+ eNB_ID = 347474;
+
+ cell_type = "CELL_MACRO_ENB";
+
+ eNB_name = "eNB_Eurecom_2";
+
+ // Tracking area code, 0x0000 and 0xfffe are reserved values
+ tracking_area_code = 1;
+
+ mobile_country_code = 208;
+
+ // EXMIMO_IOT mobile_network_code = 92;
+ mobile_network_code = 92;
+
+ // Default Paging DRX of the eNB as defined in TS 36.304
+ default_paging_drx = "PAGING_DRX_256";
+
+ mme_ip_address = { ipv4 = "192.168.30.17";
+ ipv6 = "2192:168:30::17";
+ active = "yes";
+ preference = "ipv4";
+ };
+ },
+ {
+ eNB_ID = 347475;
+
+ cell_type = "CELL_MACRO_ENB";
+
+ eNB_name = "eNB_Eurecom_3";
+
+ // Tracking area code, 0x0000 and 0xfffe are reserved values
+ tracking_area_code = 1;
+
+ mobile_country_code = 208;
+
+ // EXMIMO_IOT mobile_network_code = 92;
+ mobile_network_code = 92;
+
+ // Default Paging DRX of the eNB as defined in TS 36.304
+ default_paging_drx = "PAGING_DRX_256";
+
+ mme_ip_address = { ipv4 = "192.168.30.17";
+ ipv6 = "2192:168:30::17";
+ active = "yes";
+ preference = "ipv4";
+ };
+ }
+);
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/start_lte-enb-ovs.bash b/targets/PROJECTS/GENERIC-LTE-EPC/start_lte-enb-ovs.bash
new file mode 100755
index 0000000000..55f6855f8d
--- /dev/null
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/start_lte-enb-ovs.bash
@@ -0,0 +1,121 @@
+#!/bin/bash
+# Author Lionel GAUTHIER 01/20/2014
+#
+# This script start ENB+UE (all in one executable, on one host) with openvswitch setting
+# MME+SP-GW executable have to be launched on the same host by your own (start_lte-epc-ovs.bash).
+#
+# hss.eur
+# |
+# +-----------+ +------+ +-----------+ v +----------+
+# | eNB +------+ | ovs | VLAN 1+------+ MME +----+ +---+ HSS |
+# | |cpenb0+------------------+cpmme0| | +------+ | |
+# | +------+ |bridge| +------+ +----+ +---+ |
+# | |upenb0+-------+ | | | +----------+
+# +-----------+------+ | | | +-----------+
+# +---|--+ | router.eur
+# | +-----------+ | +--------------+
+# | | S+P-GW | v | ROUTER |
+# | VLAN2 +------+ +-------+ +----+ +----+
+# +----------+upsgw0| |sgi +-...-+ | | +---...Internet
+# +------+ +-------+ +----+ +----+
+# | | 11 VLANS | |
+# +-----------+ ids=[5..15] +--------------+
+#
+###########################################################
+# Parameters
+###########################################################
+declare MAKE_LTE_ACCESS_STRATUM_TARGET="oaisim ENABLE_ITTI=1 USE_MME=R10 NAS=1 Rel10=1"
+declare MAKE_IP_DRIVER_TARGET="ue_ip.ko"
+declare IP_DRIVER_NAME="ue_ip"
+declare LTEIF="oip1"
+declare UE_IPv4="10.0.0.8"
+declare UE_IPv6="2001:1::8"
+declare UE_IPv6_CIDR=$UE_IPv6"/64"
+declare UE_IPv4_CIDR=$UE_IPv4"/24"
+declare BRIDGE="vswitch"
+
+
+###########################################################
+THIS_SCRIPT_PATH=$(dirname $(readlink -f $0))
+source $THIS_SCRIPT_PATH/utils.bash
+###########################################################
+test_command_install_package "gccxml" "gccxml" "--force-yes"
+test_command_install_package "vconfig" "vlan"
+test_command_install_package "iptables" "iptables"
+test_command_install_package "iperf" "iperf"
+test_command_install_package "ip" "iproute"
+test_command_install_script "ovs-vsctl" "$OPENAIRCN_DIR/SCRIPTS/install_openvswitch1.9.0.bash"
+test_command_install_package "tunctl" "uml-utilities"
+test_command_install_lib "/usr/lib/libconfig.so" "libconfig-dev"
+
+
+#######################################################
+# USIM, NVRAM files
+#######################################################
+if [ ! -f $OPENAIRCN_DIR/NAS/EURECOM-NAS/bin/ue_data ]; then
+ make --directory=$OPENAIRCN_DIR/NAS/EURECOM-NAS veryveryclean
+ make --directory=$OPENAIRCN_DIR/NAS/EURECOM-NAS PROCESS=UE
+fi
+if [ ! -f $OPENAIRCN_DIR/NAS/EURECOM-NAS/bin/usim_data ]; then
+ make --directory=$OPENAIRCN_DIR/NAS/EURECOM-NAS veryveryclean
+ make --directory=$OPENAIRCN_DIR/NAS/EURECOM-NAS PROCESS=UE
+fi
+if [ ! -f .ue.nvram ]; then
+ # generate .ue_emm.nvram .ue.nvram
+ $OPENAIRCN_DIR/NAS/EURECOM-NAS/bin/ue_data -g
+fi
+
+if [ ! -f .usim.nvram ]; then
+ # generate .usim.nvram
+ $OPENAIRCN_DIR/NAS/EURECOM-NAS/bin/usim_data -g
+fi
+
+##################################################
+# LAUNCH eNB + UE executable
+##################################################
+echo "Bringup UE interface"
+pkill oaisim
+bash_exec "rmmod $IP_DRIVER_NAME" > /dev/null 2>&1
+
+cecho "make $MAKE_IP_DRIVER_TARGET $MAKE_LTE_ACCESS_STRATUM_TARGET ....." $green
+#bash_exec "make --directory=$OPENAIR2_DIR $MAKE_IP_DRIVER_TARGET "
+make --directory=$OPENAIR2_DIR $MAKE_IP_DRIVER_TARGET || exit 1
+#bash_exec "make --directory=$OPENAIR_TARGETS/SIMU/USER $MAKE_LTE_ACCESS_STRATUM_TARGET "
+make --directory=$OPENAIR_TARGETS/SIMU/USER $MAKE_LTE_ACCESS_STRATUM_TARGET || exit 1
+
+bash_exec "insmod $OPENAIR2_DIR/NETWORK_DRIVER/UE_IP/$IP_DRIVER_NAME.ko"
+
+bash_exec "ip route flush cache"
+
+bash_exec "ip link set $LTEIF up"
+sleep 1
+bash_exec "ip addr add dev $LTEIF $UE_IPv4_CIDR"
+bash_exec "ip addr add dev $LTEIF $UE_IPv6_CIDR"
+
+sleep 1
+
+bash_exec "sysctl -w net.ipv4.conf.all.log_martians=1"
+assert " `sysctl -n net.ipv4.conf.all.log_martians` -eq 1" $LINENO
+
+echo " Disabling reverse path filtering"
+bash_exec "sysctl -w net.ipv4.conf.all.rp_filter=0"
+assert " `sysctl -n net.ipv4.conf.all.rp_filter` -eq 0" $LINENO
+
+
+bash_exec "ip route flush cache"
+
+# Check table 200 lte in /etc/iproute2/rt_tables
+fgrep lte /etc/iproute2/rt_tables
+if [ $? -ne 0 ]; then
+ echo "200 lte " >> /etc/iproute2/rt_tables
+fi
+ip rule add fwmark 5 table lte
+ip route add default dev $LTEIF table lte
+
+ITTI_LOG_FILE=/tmp/itti_enb.$HOSTNAME.log
+rotate_log_file $ITTI_LOG_FILE
+
+
+gdb --args $OPENAIR_TARGETS/SIMU/USER/oaisim -a -u1 -l7 -K $ITTI_LOG_FILE --config-file $THIS_SCRIPT_PATH/CONF/enb.host.$HOSTNAME.conf
+
+
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/start_lte-epc-ovs.bash b/targets/PROJECTS/GENERIC-LTE-EPC/start_lte-epc-ovs.bash
new file mode 100755
index 0000000000..0c9cb75dcc
--- /dev/null
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/start_lte-epc-ovs.bash
@@ -0,0 +1,169 @@
+#!/bin/bash
+# Author Lionel GAUTHIER 01/20/2014
+#
+# This script start MME+S/P-GW (all in one executable, on one host) with openvswitch setting
+# eNB executable have to be launched on the same host by your own (start_lte-enb-ovs.bash).
+#
+# hss.eur
+# |
+# +-----------+ +------+ +-----------+ v +----------+
+# | eNB +------+ | ovs | VLAN 1+------+ MME +----+ +---+ HSS |
+# | |cpenb0+------------------+cpmme0| | +------+ | |
+# | +------+ |bridge| +------+ +----+ +---+ |
+# | |upenb0+-------+ | | | +----------+
+# +-----------+------+ | | | +-+-------+-+
+# | | +----------------| s11mme|---+
+# | | +---+---+ |
+# | | (optional)| |
+# | | +---+---+ |
+# +---|------------------ | s11sgw|---+ router.eur
+# | +-+-------+-+ | +--------------+
+# | | S+P-GW | v | ROUTER |
+# | VLAN2 +------+ +-------+ +----+ +----+
+# +----------+upsgw0| |sgi +-...-+ | | +---...Internet
+# +------+ +-------+ +----+ +----+
+# | | 11 VLANS | |
+# +-----------+ ids=[5..15] +--------------+
+#
+BRIDGE="vswitch"
+
+###########################################################
+THIS_SCRIPT_PATH=$(dirname $(readlink -f $0))
+source $THIS_SCRIPT_PATH/utils.bash
+###########################################################
+
+test_command_install_package "gccxml" "gccxml" "--force-yes"
+test_command_install_package "vconfig" "vlan"
+test_command_install_package "iptables" "iptables"
+test_command_install_package "iperf" "iperf"
+test_command_install_package "ip" "iproute"
+test_command_install_script "ovs-vsctl" "$OPENAIRCN_DIR/SCRIPTS/install_openvswitch1.9.0.bash"
+test_command_install_package "tunctl" "uml-utilities"
+if [ ! -d /usr/local/etc/freeDiameter ]
+ then
+ cd $OPENAIRCN_DIR/S6A/freediameter && ./install_freediameter.sh
+ else
+ echo_success "freediameter is installed"
+fi
+
+test_command_install_script "asn1c" "$OPENAIRCN_DIR/SCRIPTS/install_asn1c_0.9.24.modified.bash"
+
+# One mor check about version of asn1c
+ASN1C_COMPILER_REQUIRED_VERSION_MESSAGE="ASN.1 Compiler, v0.9.24"
+ASN1C_COMPILER_VERSION_MESSAGE=`asn1c -h 2>&1 | grep -i ASN\.1\ Compiler`
+##ASN1C_COMPILER_VERSION_MESSAGE=`trim $ASN1C_COMPILER_VERSION_MESSAGE`
+if [ "$ASN1C_COMPILER_VERSION_MESSAGE" != "$ASN1C_COMPILER_REQUIRED_VERSION_MESSAGE" ]
+then
+ diff <(echo -n "$ASN1C_COMPILER_VERSION_MESSAGE") <(echo -n "$ASN1C_COMPILER_REQUIRED_VERSION_MESSAGE")
+ echo_error "Version of asn1c is not the required one, do you want to install the required one (overwrite installation) ? (Y/n)"
+ echo_error "$ASN1C_COMPILER_VERSION_MESSAGE"
+ while read -r -n 1 -s answer; do
+ if [[ $answer = [YyNn] ]]; then
+ [[ $answer = [Yy] ]] && $OPENAIRCN_DIR/SCRIPTS/install_asn1c_0.9.24.modified.bash
+ [[ $answer = [Nn] ]] && echo_error "Version of asn1c is not the required one, exiting." && exit 1
+ break
+ fi
+ done
+fi
+
+# May we have booted on a new kernel, not the one when we build vswitch kernel module
+if [ ! -f /lib/modules/`uname -r`/extra/openvswitch.ko ]; then
+ $OPENAIRCN_DIR/SCRIPTS/install_openvswitch1.9.0.bash
+fi
+
+IPTABLES=`which iptables`
+
+##################################
+# Get or set OBJ DIR and compile #
+##################################
+# TEST IF EXIST
+cd $OPENAIRCN_DIR
+OBJ_DIR=`find . -maxdepth 1 -type d -iname obj*`
+if [ -n "$OBJ_DIR" ]
+then
+ OBJ_DIR=`basename $OBJ_DIR`
+ if [ ! -f $OBJ_DIR/Makefile ]
+ then
+ cd ./$OBJ_DIR
+ echo_success "Invoking configure"
+ rm -f Makefile
+ ../configure --enable-standalone-epc --enable-raw-socket-for-sgi LDFLAGS=-L/usr/local/lib
+ else
+ cd ./$OBJ_DIR
+ fi
+else
+ OBJ_DIR="objs"
+ bash_exec "mkdir -m 777 ./$OBJ_DIR"
+ echo_success "Created $OBJ_DIR directory"
+ echo_success "Invoking autogen"
+ bash_exec "./autogen.sh"
+ cd ./$OBJ_DIR
+ echo_success "Invoking configure"
+ ../configure --enable-standalone-epc --enable-raw-socket-for-sgi LDFLAGS=-L/usr/local/lib
+fi
+
+pkill oai_epc
+if [ -f Makefile ]
+then
+ echo_success "Compiling..."
+ bash_exec "make"
+else
+ echo_error "Configure failed, exiting"
+ exit 1
+fi
+cd $OPENAIRCN_DIR
+
+
+#######################################################
+# SOURCE $OPENAIRCN_DIR/UTILS/CONF/epc_$HOSTNAME.conf
+#######################################################
+rm -f /tmp/source.txt
+if [ -f $OPENAIRCN_DIR/UTILS/CONF/epc_$HOSTNAME.conf ]
+then
+ cat $OPENAIRCN_DIR/UTILS/CONF/epc_$HOSTNAME.conf | tr -d " " > /tmp/source.txt
+ source /tmp/source.txt
+else
+ echo_error "Missing config file $OPENAIRCN_DIR/UTILS/CONF/epc_$HOSTNAME.conf (Please write your own config file), exiting"
+ exit 1
+fi
+
+#######################################################
+# SOURCE $OPENAIRCN_DIR/UTILS/CONF/enb_$HOSTNAME.conf
+#######################################################
+rm -f /tmp/source.txt
+if [ -f $OPENAIRCN_DIR/UTILS/CONF/enb_$HOSTNAME.conf ]
+then
+ cat $OPENAIRCN_DIR/UTILS/CONF/enb_$HOSTNAME.conf | tr -d " " > /tmp/source.txt
+ source /tmp/source.txt
+else
+ echo_error "Missing config file $OPENAIRCN_DIR/UTILS/CONF/enb_$HOSTNAME.conf (Please write your own config file), exiting"
+ exit 1
+fi
+
+clean_epc_network
+build_epc_network
+test_epc_network
+
+##################################################..
+
+# LAUNCH MME + S+P-GW executable
+##################################################
+MME_CONFIG_FILE=$OPENAIRCN_DIR/UTILS/CONF/mme_default.conf
+if [ -f $OPENAIRCN_DIR/UTILS/CONF/mme_$HOSTNAME.conf ]; then
+ MME_CONFIG_FILE=$OPENAIRCN_DIR/UTILS/CONF/mme_$HOSTNAME.conf
+ echo_warning "MME config file found is now $MME_CONFIG_FILE"
+else
+ echo_warning "MME config file for host $HOSTNAME not found, trying default: $MME_CONFIG_FILE"
+ if [ -f $MME_CONFIG_FILE ]; then
+ echo_success "Default MME config file found: $MME_CONFIG_FILE"
+ else
+ echo_error "Default MME config file not found, exiting"
+ exit 1
+ fi
+fi
+cd $OPENAIRCN_DIR/$OBJ_DIR
+
+ITTI_LOG_FILE=/tmp/itti_mme.log
+rotate_log_file $ITTI_LOG_FILE
+
+$OPENAIRCN_DIR/$OBJ_DIR/OAI_EPC/oai_epc -K $ITTI_LOG_FILE -c $MME_CONFIG_FILE
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/utils.bash b/targets/PROJECTS/GENERIC-LTE-EPC/utils.bash
new file mode 100755
index 0000000000..3534ebe52d
--- /dev/null
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/utils.bash
@@ -0,0 +1,666 @@
+cidr2mask() {
+ local i mask=""
+ local full_octets=$(($1/8))
+ local partial_octet=$(($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
+}
+
+rotate_log_file () {
+ if [ -f $1 ]; then
+ TIMESTAMP=`date +%Y-%m-%d.%Hh_%Mm_%Ss`
+ NEWLOGFILE=$1.$TIMESTAMP
+ mv $1 $NEWLOGFILE
+ cat /dev/null > $1
+ nohup gzip -f -9 $NEWLOGFILE &
+ fi
+}
+
+set_openair() {
+ path=`pwd`
+ declare -i length_path
+ declare -i index
+ length_path=${#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_lib() {
+ # usage: test_command_install_package searched_binary package_to_be_installed_if_binary_not_found optional_option_to_apt_get_install
+ if [ ! -f $1 ]; then
+ echo_warning "$2 seems to be not installed, trying..."
+ apt-get install $2 -y
+ if [ ! -f $1 ]; then
+ echo_error "$1 unavailable"
+ exit 1
+ fi
+ fi
+ echo_success "$1 available"
+}
+
+
+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
+}
+
+stop_openswitch_daemon() {
+ pkill ovs-vswitchd
+ pkill ovsdb-server
+ sync
+ if ! is_process_started ovs-vswitchd ; then
+ pkill -9 ovs-vswitchd
+ fi
+ if ! is_process_started ovsdb-server ; then
+ pkill -9 ovsdb-server
+ fi
+ rmmod -f openvswitch
+}
+
+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
+}
+
+clean_openvswitch_network(){
+ ##################################################
+ # del bridge between eNB and MME/SPGW
+ ##################################################
+ bash_exec "tunctl -d $ENB_INTERFACE_NAME_FOR_S1_MME"
+ bash_exec "tunctl -d $ENB_INTERFACE_NAME_FOR_S1U"
+ bash_exec "tunctl -d $MME_INTERFACE_NAME_FOR_S1_MME"
+ bash_exec "tunctl -d $SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP"
+ bash_exec "tunctl -d $MME_INTERFACE_NAME_FOR_S11_MME"
+ bash_exec "tunctl -d $SGW_INTERFACE_NAME_FOR_S11"
+ bash_exec "ovs-vsctl del-br $BRIDGE"
+
+ stop_openswitch_daemon
+}
+
+build_openvswitch_network() {
+ start_openswitch_daemon
+ # REMINDER:
+ # hss.eur
+ # |
+ # +-----------+ +------+ +-----------+ v +----------+
+ # | eNB +------+ | ovs | VLAN 1+------+ MME +----+ +---+ HSS |
+ # | |cpenb0+------------------+cpmme0| | +------+ | |
+ # | +------+ |bridge| +------+ +----+ +---+ |
+ # | |upenb0+-------+ | | | +----------+
+ # | +------+ | | | +-+-------+-+
+ # | | | | +----------------| s11mme|---+
+ # | | | | +---+---+ |
+ # | | | | (optional)| |
+ # +-----------+ | | +---+---+ |
+ # +---|------------------ | s11sgw|---+ router.eur
+ # | +-+-------+-+ | +--------------+
+ # | | S+P-GW | v | ROUTER |
+ # | VLAN2 +------+ +-------+ +----+ +----+
+ # +----------+upsgw0| |sgi +-...-+ | | +---...Internet
+ # +------+ +-------+ +----+ +----+
+ # | | 11 VLANS | |
+ # +-----------+ ids=[5..15] +--------------+
+ #
+ ##################################################
+ # build bridge between eNB and MME/SPGW
+ ##################################################
+ bash_exec "tunctl -t $ENB_INTERFACE_NAME_FOR_S1_MME"
+ bash_exec "tunctl -t $ENB_INTERFACE_NAME_FOR_S1U"
+ bash_exec "tunctl -t $MME_INTERFACE_NAME_FOR_S1_MME"
+ bash_exec "tunctl -t $SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP"
+ bash_exec "tunctl -t $MME_INTERFACE_NAME_FOR_S11_MME"
+ bash_exec "tunctl -t $SGW_INTERFACE_NAME_FOR_S11"
+
+ bash_exec "ovs-vsctl add-br $BRIDGE"
+ bash_exec "ovs-vsctl add-port $BRIDGE $ENB_INTERFACE_NAME_FOR_S1_MME tag=1"
+ bash_exec "ovs-vsctl add-port $BRIDGE $MME_INTERFACE_NAME_FOR_S1_MME tag=1"
+ bash_exec "ovs-vsctl add-port $BRIDGE $ENB_INTERFACE_NAME_FOR_S1U tag=2"
+ bash_exec "ovs-vsctl add-port $BRIDGE $SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP tag=2"
+ bash_exec "ovs-vsctl add-port $BRIDGE $MME_INTERFACE_NAME_FOR_S11_MME tag=3"
+ bash_exec "ovs-vsctl add-port $BRIDGE $SGW_INTERFACE_NAME_FOR_S11 tag=3"
+
+ bash_exec "ifconfig $MME_INTERFACE_NAME_FOR_S1_MME promisc up"
+ bash_exec "ifconfig $MME_INTERFACE_NAME_FOR_S1_MME $MME_IP_ADDRESS_FOR_S1_MME netmask `cidr2mask $MME_IP_NETMASK_FOR_S1_MME` promisc up"
+ bash_exec "ifconfig $SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP promisc up"
+ bash_exec "ifconfig $SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP $SGW_IP_ADDRESS_FOR_S1U_S12_S4_UP netmask `cidr2mask $SGW_IP_NETMASK_FOR_S1U_S12_S4_UP` promisc up"
+
+ bash_exec "ifconfig $ENB_INTERFACE_NAME_FOR_S1_MME promisc up"
+ bash_exec "ifconfig $ENB_INTERFACE_NAME_FOR_S1_MME $ENB_IP_ADDRESS_FOR_S1_MME netmask `cidr2mask $ENB_IP_NETMASK_FOR_S1_MME` promisc up"
+ bash_exec "ifconfig $ENB_INTERFACE_NAME_FOR_S1U promisc up"
+ bash_exec "ifconfig $ENB_INTERFACE_NAME_FOR_S1U $ENB_IP_ADDRESS_FOR_S1U netmask `cidr2mask $ENB_IP_NETMASK_FOR_S1U` promisc up"
+
+ bash_exec "ifconfig $MME_INTERFACE_NAME_FOR_S11_MME promisc up"
+ bash_exec "ifconfig $MME_INTERFACE_NAME_FOR_S11_MME $MME_IP_ADDRESS_FOR_S11_MME netmask `cidr2mask $MME_IP_NETMASK_FOR_S11_MME` promisc up"
+ bash_exec "ifconfig $ENB_INTERFACE_NAME_FOR_S1U promisc up"
+ bash_exec "ifconfig $SGW_INTERFACE_NAME_FOR_S11 $SGW_IP_ADDRESS_FOR_S11 netmask `cidr2mask $SGW_IP_NETMASK_FOR_S11` promisc up"
+}
+
+test_openvswitch_network() {
+
+ ## TEST NETWORK BETWEEN ENB-MME-SP-GW
+ iperf --bind $MME_IP_ADDRESS_FOR_S1_MME -u -s 2>&1 > /dev/null &
+ iperf --bind $ENB_IP_ADDRESS_FOR_S1_MME -u --num 1K -c $MME_IP_ADDRESS_FOR_S1_MME 2>&1 | grep -i WARNING > /dev/null
+ if [ $? -eq 0 ]; then
+ echo_error "NETWORK ERROR CONFIGURATION (openvswitch) between ENB and MME S1"
+ pkill iperf 2>&1 > /dev/null
+ exit 1
+ else
+ echo_success "NETWORK TEST SUCCESS (openvswitch) between ENB and MME S1"
+
+ fi
+ pkill iperf 2>&1 > /dev/null
+
+ iperf --bind $SGW_IP_ADDRESS_FOR_S1U_S12_S4_UP -u -s 2>&1 > /dev/null &
+ iperf --bind $ENB_IP_ADDRESS_FOR_S1U -u --num 1K -c $SGW_IP_ADDRESS_FOR_S1U_S12_S4_UP 2>&1 | grep -i WARNING > /dev/null
+ if [ $? -eq 0 ]; then
+ echo_error "NETWORK ERROR CONFIGURATION (openvswitch) between ENB and S-GW S1-U"
+ pkill iperf 2>&1 > /dev/null
+ exit 1
+ else
+ echo_success "NETWORK TEST SUCCESS (openvswitch) between ENB and S-GW S1-U"
+ fi
+ pkill iperf 2>&1 > /dev/null
+
+ iperf --bind $SGW_IP_ADDRESS_FOR_S11 -u -s 2>&1 > /dev/null &
+ iperf --bind $MME_IP_ADDRESS_FOR_S11_MME -u --num 1K -c $SGW_IP_ADDRESS_FOR_S11 2>&1 | grep -i WARNING > /dev/null
+ if [ $? -eq 0 ]; then
+ echo_error "NETWORK ERROR CONFIGURATION (openvswitch) between MME and S-GW S11"
+ pkill iperf 2>&1 > /dev/null
+ exit 1
+ else
+ echo_success "NETWORK TEST SUCCESS (openvswitch) between MME and S-GW S11"
+ fi
+ pkill iperf 2>&1 > /dev/null
+ return 0
+}
+
+build_epc_network() {
+
+ cat $OPENAIRCN_DIR/$OBJ_DIR/Makefile | grep CFLAGS\ \=\ | grep DENABLE_USE_NETFILTER_FOR_SGI
+ if [ $? -ne 0 ]
+ then
+ export ENABLE_USE_NETFILTER_FOR_SGI=0
+ else
+ export ENABLE_USE_NETFILTER_FOR_SGI=1
+ fi
+
+ cat $OPENAIRCN_DIR/$OBJ_DIR/Makefile | grep CFLAGS\ \=\ | grep DENABLE_USE_RAW_FOR_SGI
+ if [ $? -ne 0 ]
+ then
+ export ENABLE_USE_RAW_FOR_SGI=0
+ else
+ export ENABLE_USE_RAW_FOR_SGI=1
+ fi
+
+ build_openvswitch_network
+
+ ping -c 1 router.eur > /dev/null || { echo "router.eur does not respond to ping" >&2 ; exit ; }
+ IP_ROUTER=`python -c 'import socket; print socket.gethostbyname("router.eur")'`
+ export MAC_ROUTER=`ip neigh show | grep $IP_ROUTER | cut -d ' ' -f5 | tr -d ':'`
+ echo_success "ROUTER MAC ADDRESS= $MAC_ROUTER"
+
+ if [ $ENABLE_USE_NETFILTER_FOR_SGI -eq 1 ]; then
+
+ bash_exec "modprobe nf_conntrack"
+ bash_exec "modprobe nf_conntrack_ftp"
+
+ ######################################################
+ # PREROUTING
+ ######################################################
+ # We restore the mark following the CONNMARK mark. In fact, it does a simple MARK=CONNMARK
+ # where MARK is the standard mark (usable by tc)
+ # In French: Cette option de cible restaure le paquet marqué dans la marque de connexion
+ # comme défini par CONNMARK. Un masque peut aussi être défini par l'option --mask.
+ # Si une option mask est placée, seules les options masquées seront placées.
+ # Notez que cette option de cible n'est valide que dans la table mangle.
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -j CONNMARK --restore-mark"
+
+ # TEST bash_exec "$IPTABLES -t mangle -A PREROUTING -m mark --mark 0 -i $PGW_INTERFACE_NAME_FOR_SGI -j MARK --set-mark 15"
+ # We set the mark of the initial packet as value of the conntrack mark for all the packets of the connection.
+ # This mark will be restore for the other packets by the first rule of POSTROUTING --restore-mark).
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -j CONNMARK --save-mark"
+
+
+ ######################################################
+ # POSTROUTING
+ ######################################################
+
+ # MARK=CONNMARK
+ bash_exec "iptables -A POSTROUTING -t mangle -o tap0 -j CONNMARK --restore-mark"
+ # If we’ve got a mark no need to get further[
+ bash_exec "iptables -A POSTROUTING -t mangle -o tap0 -m mark ! --mark 0 -j ACCEPT"
+
+ #bash_exec "iptables -A POSTROUTING -p tcp --dport 21 -t mangle -j MARK --set-mark 1"
+ #bash_exec "iptables -A POSTROUTING -p tcp --dport 80 -t mangle -j MARK --set-mark 2"
+
+ # We set the mark of the initial packet as value of the conntrack mark for all the packets
+ # of the connection. This mark will be restore for the other packets by the first rule
+ # of POSTROUTING (–restore-mark).
+ bash_exec "iptables -A POSTROUTING -t mangle -j CONNMARK --save-mark"
+
+ bash_exec "iptables -A PREROUTING -t mangle -j CONNMARK --restore-mark"
+
+ # We restore the mark following the CONNMARK mark.
+ # In fact, it does a simple MARK=CONNMARK where MARK is the standard mark (usable by tc)
+ #bash_exec "$IPTABLES -A OUTPUT -t mangle -m mark ! --mark 0 -j CONNMARK --restore-mark"
+
+ # If we’ve got a mark no need to get further[1]
+ #TEST bash_exec "$IPTABLES -A OUTPUT -t mangle -p icmp -j MARK --set-mark 14"
+ #bash_exec "$IPTABLES -A OUTPUT -t mangle -m mark ! --mark 0 -j ACCEPT"
+
+
+ # We set the mark of the initial packet as value of the conntrack mark for all the packets of the connection.
+ # This mark will be restore for the other packets by the first rule of OUTPUT (–restore-mark).
+ #bash_exec "$IPTABLES -A OUTPUT -t mangle -j CONNMARK --save-mark"
+
+
+
+
+ ######################################################
+ # NETFILTER QUEUE
+ ######################################################
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 5 -j NFQUEUE --queue-num 1"
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 6 -j NFQUEUE --queue-num 1"
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 7 -j NFQUEUE --queue-num 1"
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 8 -j NFQUEUE --queue-num 1"
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 9 -j NFQUEUE --queue-num 1"
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 10 -j NFQUEUE --queue-num 1"
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 11 -j NFQUEUE --queue-num 1"
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 12 -j NFQUEUE --queue-num 1"
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 13 -j NFQUEUE --queue-num 1"
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 14 -j NFQUEUE --queue-num 1"
+ bash_exec "$IPTABLES -t mangle -A PREROUTING -i $PGW_INTERFACE_NAME_FOR_SGI -m connmark --mark 15 -j NFQUEUE --queue-num 1"
+
+ #echo 0 > /proc/sys/net/bridge/bridge-nf-call-iptables #To disable Iptables in the bridge.
+ #Raw table: Some years ago appeared a new tables in Iptables.
+ #This table can be used to avoid packets (connection really) to enter the NAT table:
+ # iptables -t raw -I PREROUTING -i BRIDGE -s x.x.x.x -j NOTRACK.
+
+
+
+
+ #bash_exec "$IPTABLES -t nat -A POSTROUTING -o $PGW_INTERFACE_NAME_FOR_SGI -j SNAT --to-source $PGW_IP_ADDR_FOR_SGI"
+ else
+ # # get ipv4 address from PGW_INTERFACE_NAME_FOR_SGI
+ #IP_ADDR=`ifconfig $PGW_INTERFACE_NAME_FOR_SGI | awk '/inet addr/ {split ($2,A,":"); print A[2]}' | tr '\n' ' ' | sed -n '1h;1!H;${;g;s/^[ \t]*//g;s/[ \t]*$//g;p;}'`
+
+ #NETWORK=`echo $IP_ADDR | cut -d . -f 1,2,3`
+
+ bash_exec "modprobe 8021q"
+
+ for i in 5 6 7 8 9 10 11 12 13 14 15
+ do
+ # create vlan interface
+ bash_exec "vconfig rem $PGW_INTERFACE_NAME_FOR_SGI.$i" > /dev/null 2>&1
+ sync
+ bash_exec "vconfig add $PGW_INTERFACE_NAME_FOR_SGI $i"
+ sync
+ # configure vlan interface
+ #CIDR=$NETWORK'.'$i'/24'
+ base=200
+ NET=$(( $i + $base ))
+ CIDR='10.0.'$NET'.2/8'
+ bash_exec "ip -4 addr add $CIDR dev $PGW_INTERFACE_NAME_FOR_SGI.$i"
+ done
+ fi
+
+
+ bash_exec "ip link set $PGW_INTERFACE_NAME_FOR_SGI promisc on"
+
+ ##################################################
+ # build bridge between SPGW and Internet
+ ##################################################
+
+ # # get ipv4 address from PGW_INTERFACE_NAME_FOR_SGI
+ # IP_ADDR=`ifconfig $PGW_INTERFACE_NAME_FOR_SGI | awk '/inet addr/ {split ($2,A,":"); print A[2]}' | tr '\n' ' ' | sed -n '1h;1!H;${;g;s/^[ \t]*//g;s/[ \t]*$//g;p;}'`
+ # if [ $IP_ADDR ]; then
+ # bash_exec "ip -4 addr del $IP_ADDR dev $PGW_INTERFACE_NAME_FOR_SGI"
+ # fi
+ #
+ # # remove all ipv6 address from PGW_INTERFACE_NAME_FOR_SGI
+ # IP_ADDR="not empty"
+ # until [ "$IP_ADDR"x == "x" ]; do
+ # IP_ADDR=`ifconfig $PGW_INTERFACE_NAME_FOR_SGI | grep 'inet6' | head -1 | tr '\n' ' ' | sed -n '1h;1!H;${;g;s/^[ \t]*//g;s/[ \t]*$//g;p;}' | cut -d ' ' -f3`
+ # if [ $IP_ADDR ]; then
+ # bash_exec "ip -6 addr del $IP_ADDR dev $PGW_INTERFACE_NAME_FOR_SGI"
+ # fi
+ # done
+}
+
+test_epc_network() {
+ # Get MAC address of router.eur
+ ping -c 1 hss.eur > /dev/null || { echo "hss.eur does not respond to ping" >&2 ; exit ; }
+ ping -c 1 router.eur > /dev/null || { echo "router.eur does not respond to ping" >&2 ; exit ; }
+ test_openvswitch_network
+}
+
+clean_epc_network() {
+ bash_exec "modprobe tun"
+ bash_exec "modprobe ip_tables"
+ bash_exec "modprobe iptable_nat"
+ bash_exec "modprobe x_tables"
+
+ bash_exec "$IPTABLES -P INPUT ACCEPT"
+ bash_exec "$IPTABLES -F INPUT"
+ bash_exec "$IPTABLES -P OUTPUT ACCEPT"
+ bash_exec "$IPTABLES -F OUTPUT"
+ bash_exec "$IPTABLES -P FORWARD ACCEPT"
+ bash_exec "$IPTABLES -F FORWARD"
+ bash_exec "$IPTABLES -t raw -F"
+ bash_exec "$IPTABLES -t nat -F"
+ bash_exec "$IPTABLES -t mangle -F"
+ bash_exec "$IPTABLES -t filter -F"
+
+ bash_exec "ip route flush cache"
+
+ echo " Disabling forwarding"
+ bash_exec "sysctl -w net.ipv4.ip_forward=0"
+ assert " `sysctl -n net.ipv4.ip_forward` -eq 0" $LINENO
+
+ echo " Enabling DynamicAddr.."
+ bash_exec "sysctl -w net.ipv4.ip_dynaddr=1"
+ assert " `sysctl -n net.ipv4.ip_dynaddr` -eq 1" $LINENO
+
+ bash_exec "sysctl -w net.ipv4.conf.all.log_martians=1"
+ assert " `sysctl -n net.ipv4.conf.all.log_martians` -eq 1" $LINENO
+
+
+ echo " Disabling reverse path filtering"
+ bash_exec "sysctl -w net.ipv4.conf.all.rp_filter=0"
+ assert " `sysctl -n net.ipv4.conf.all.rp_filter` -eq 0" $LINENO
+ clean_openvswitch_network
+}
+
+###########################################################
+IPTABLES=/sbin/iptables
+THIS_SCRIPT_PATH=$(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
--
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