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mlc-vars.sh
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#!/bin/bash
# set -ex
# Copyright (c) 2011 Axel Neumann
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public
# License as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA
# WARNING:
# This package requires root priveleges and may have bugs that format your hard disk!!!!
# Use on your own risk! It is highly recommended to use provided scripts
# ONLY in a completely isolated environment like qmp or virtual box
mlc_lxc_bin_dir="$(which lxc-create | awk -F'/lxc-create' '{print $1}')"
mlc_lxc_examples="/usr/share/doc/lxc/examples"
mlc_path_dir="$(pwd)"
mlc_tmp_dir="$(pwd)/tmp"
mlc_known_hosts_file="$mlc_tmp_dir/known_hosts"
mlc_veth_cache="$mlc_tmp_dir/mlc_veth_cache.txt"
mlc_ssh="ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=$mlc_known_hosts_file -o ConnectTimeout=1 "
mkdir -p $mlc_tmp_dir
#mlc_conf_dir="/usr/local/var/lib/lxc"
mlc_conf_dir="/var/lib/lxc"
mlc_owrt_fs_tgz="/usr/src/openwrt/13f/qmpfw-gsoc.git/build/alix/bin/x86/openwrt-x86-generic-rootfs.tar.gz"
mlc_arch="x86_64"
mlc_debian_suite="bookworm" # squeeze, lenny, wheezy, sid. Or check whats available on: http://cdn.debian.net/debian/
mlc_debian_release="release-12" # for bookworm
mlc_empty_dirs=
mlc_copy_dirs=
mlc_mount_dirs=
#mlc_empty_dirs="media dev mnt proc sys var/local var/lock var/log var/log/fsck var/mail var/opt var/run var/tmp"
#mlc_copy_dirs="etc home root selinux srv tmp var/spool var/www "
#mlc_mount_dirs="bin boot lib opt sbin usr var/backups var/cache var/lib"
mlc_empty_dirs="dev media mnt opt proc run run/mount sys var/backups var/local var/log var/mail "
mlc_copy_dirs="etc home root selinux srv tmp lib64 var/lock var/run var/spool var/tmp var/www "
mlc_mount_dirs="sbin bin usr boot lib var/cache var/lib "
mlc_name_prefix="mlc"
mlc_mother_id="0002"
mother_name="${mlc_name_prefix}${mlc_mother_id}"
mother_config="$mlc_conf_dir/$mother_name"
mother_rootfs="$mlc_conf_dir/$mother_name/rootfs"
mlc_bridge_prefix="mbr"
mlc_p2p_bridge_prefix="M"
mlc_p2p_bridge_delimiter="="
mlc_p2p_bridge_idx_delimiter="_"
mlc_veth_prefix="veth"
mlc_dev_prefix="eth"
mlc_mnt="NULL"
mlc_min_node="1000"
mlc_max_node="8999"
mlc_peer_idx_min="4"
mlc_peer_idx_max="7"
mlc_ns3_idx_min="3"
mlc_ns3_idx_max="3"
mlc_mac6_multicast="33:33:0:0:0:0/ff:ff:0:0:0:0"
mlc_pub_key="ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAvbTSxpSlDBV7m+c0i1rUFpaasegLjRL+BZunrpKb1YFvJXwS2DD1WqnAypBk/AlgR9KQlXfHSpeRqxY0HbBnPWG79LQ2NlVlcvF7xokpw3eUeYKpJwx0ivNd/koKE3wvoFN158JseFhUBGcZdaFRGh6bFhrvvXYmAHjroHvaGgVR8YQI4DiKrBULQd75p/U3G2UjeZpMeTK+LaCkuWh0g+93LQPp21w6v8hOZtudJ2rhNHNYB0oFJF8Uf5q+uVjpbOzA/nPxs/qiF4zdg2oyj0eAi0Yfo+eSVI/zj3iyeC4rF5S8/s/cyet+XMXvLQ6X12XUYu7Qv/VEVwI5QkVqSw== mlc@mlc"
mlc_passwd="mlc"
mlc_cpu_idle_assumption=50
mlc_lang="en_US.UTF-8"
mlc_language="en_US:en"
export LANG="$mlc_lang"
export LANGUAGE="$mlc_language"
export LC_ALL="$mlc_lang"
mlc_mac_prefix="a0:cd:ef"
mlc_net_mtu="1500"
mlc_dns="8.8.4.4"
mlc_node="22"
mlc_ip4_prefix0="10"
mlc_admin_idx="0"
mlc_ip4_admin_prefix1="111"
mlc_ip4_admin_netmask="255.225.0.0"
mlc_ip4_admin_netmask="255.255.0.0"
mlc_ip4_admin_broadcast="10.111.255.255"
mlc_ip4_admin_gateway="10.111.0.1"
mlc_ip4_ula1_prefix1="050"
mlc_ip4_ula1_netmask="255.255.0.0"
mlc_ip4_ula1_broadcast="10.50.255.255"
mlc_ip6_prefix="1"
mlc_ip6_ripe1_prefix="2011:0:0"
mlc_ip6_ripe2_prefix="2012:0:0"
mlc_ip6_ripe3_prefix="2013:0:0"
mlc_ip6_ripeLo_prefix="2014:0:0"
mlc_ip6_ula1_prefix="fd01:0:0"
mlc_ip6_ula2_prefix="fd02:0:0"
mlc_ip6_ula3_prefix="fd03:0:0"
mlc_ip6_ulaLo_prefix="fc00:0:0"
MLC_ip6_ula() {
local ula48_prefix=$1
local mac=$2
local ula32_host=$3
local mac1="$(( 16#$( echo $mac | awk -F':' '{print $1}' ) ))"
local mac2="$(( 16#$( echo $mac | awk -F':' '{print $2}' ) ))"
local mac3="$(( 16#$( echo $mac | awk -F':' '{print $3}' ) ))"
local mac4="$(( 16#$( echo $mac | awk -F':' '{print $4}' ) ))"
local mac5="$(( 16#$( echo $mac | awk -F':' '{print $5}' ) ))"
local mac6="$(( 16#$( echo $mac | awk -F':' '{print $6}' ) ))"
printf "%s:%X:%X:%X::%s\n" $ula48_prefix $(( ( $mac1 * 256 ) + $mac2 )) $(( ( $mac3 * 256 ) + $mac4 )) $(( ( $mac5 * 256 ) + $mac6 )) $ula32_host
}
MLC_calc_veth_name() {
local node=$1
local idx=$2
local name="${mlc_name_prefix}${node}"
echo "${mlc_veth_prefix}${node}_${idx}"
}
MLC_calc_mac() {
local node=$1
local idx=$2
local node_div100="$(( $node / 100 ))"
local node_mod100="$(( $node % 100 ))"
echo "${mlc_mac_prefix}:${node_div100}:${node_mod100}:${idx}"
}
MLC_calc_ip4() {
local prefix1=$1
local node=$2
local idx=$3
local node_div100="$(( $node / 100 ))"
local node_mod100="$(( $node % 100 ))"
echo "${mlc_ip4_prefix0}.$(( prefix1 + $idx )).${node_div100}.${node_mod100}"
}
MLC_assign_networks() {
local idx
mlc_node=$1
# Control/Admin Network:
idx="$mlc_admin_idx"
mlc_net0_link="${mlc_bridge_prefix}${idx}"
mlc_net0_name="${mlc_dev_prefix}${idx}"
mlc_net0_mtu="1500"
mlc_net0_mac="$(MLC_calc_mac $mlc_node $idx )"
mlc_net0_veth="$(MLC_calc_veth_name $mlc_node $idx )"
mlc_net0_ip4_addr="$(MLC_calc_ip4 $mlc_ip4_admin_prefix1 $mlc_node $idx )"
mlc_net0_ip4_mask="$mlc_ip4_admin_netmask"
mlc_net0_ip4_brc="$mlc_ip4_admin_broadcast"
mlc_net0_ip4_gw="$mlc_ip4_admin_gateway"
# Mesh Networks:
idx="1"
mlc_net1_link="${mlc_bridge_prefix}${idx}"
mlc_net1_name="${mlc_dev_prefix}${idx}"
mlc_net1_mac="$(MLC_calc_mac $mlc_node $idx )"
mlc_net1_veth="$(MLC_calc_veth_name $mlc_node $idx )"
mlc_net11_name="eth${idx}.11"
mlc_net11_ip4_addr="$(MLC_calc_ip4 $mlc_ip4_ula1_prefix1 $mlc_node $idx )"
mlc_net11_ip4_mask="$mlc_ip4_ula1_netmask"
mlc_net11_ip4_brc="$mlc_ip4_ula1_broadcast"
mlc_net11_ula_addr="$(MLC_ip6_ula $mlc_ip6_ula1_prefix $mlc_net1_mac 1)"
mlc_net11_ula_mask="48"
mlc_net11_rip_addr="$mlc_ip6_ripe1_prefix:$mlc_node::11"
mlc_net11_rip_mask="128"
idx="2"
mlc_net2_link="${mlc_bridge_prefix}${idx}"
mlc_net2_name="${mlc_dev_prefix}${idx}"
mlc_net2_mac="$(MLC_calc_mac $mlc_node $idx )"
mlc_net2_veth="$(MLC_calc_veth_name $mlc_node $idx )"
}
MLC_assign_networks $mlc_node
mlc_deb_packages="\
aptitude \
ca-certificates \
ifupdown \
netbase \
net-tools \
iproute2 vlan bridge-utils \
iptables \
openssh-server \
iputils-ping \
vim nano less \
locales-all \
dialog \
netdiag \
man-db \
ipcalc ipv6calc \
wget \
bzip2 \
unzip \
build-essential gdb file subversion \
lynx \
telnet \
tcpdump \
mtr traceroute \
psmisc lsof \
iptraf-ng netcat-openbsd iperf \
bison flex m4 autoconf autoconf-archive cmake autogen dh-autoreconf gawk \
libjson-c-dev zlib1g-dev libiw-dev \
mini-httpd \
nmap \
jq \
git \
libmbedtls-dev \
"
mlc_deb_packages_disabled="\
quagga quagga-doc \
texinfo \
"
mlc_sources="\
"
disabled_mlc_sources="\
mbedtls-3.6.0::https://tls.mbed.org/download/mbedtls-3.6.0-gpl.tgz \
olsrd-0.9.6::http://www.olsr.org/releases/0.9/olsrd-0.9.6.tar.gz \
babeld-1.8.0::http://www.pps.jussieu.fr/~jch/software/files/babeld-1.8.0.tar.gz \
"
mlc_gits=" \
uci.git::https://github.com/axn/uci-0.7.5.git \
bmx7.git::https://github.com/bmx-routing/bmx7.git \
"
disabled_mlc_gits=" \
mbedtls::https://github.com/Mbed-TLS/mbedtls.git \ // added as debian package
bmx6.git::https://github.com/bmx-routing/bmx6.git \
oonf.git::https://github.com/OLSR/OONF.git \
"
mlc_help() {
local mother_name="${mlc_name_prefix}${mlc_mother_id}"
less mlc-help.txt
}
mlc_rand() {
local max=${1:-"1000"}
local min=${2:-"0"}
echo $((( ( $(dd if=/dev/random bs=4 count=1 2>/dev/null | hexdump -e '"%u\n"') % (($max + 1) - $min) ) + $min )))
}
mlc_gprof() {
local nodeMax="${1:-$mlc_min_node}"
local nodeMin="${2:-$mlc_min_node}"
# local nodeMin="${2:-$nodeMax}"
local binary="bmx6"
local binary_path="usr/sbin"
local gmon_dir="gprofs"
local gmon_out="root/gmon.out"
local now="$(date +%y%m%d%H%M%S)"
local gmon_bin="./$gmon_dir/gmon.$now.bin"
local gmon_SUM="./$gmon_dir/gmon.$now.sum"
local gmon_sum="./gmon.sum"
local gmon_txt="./$gmon_dir/gmon.$now.txt"
local mother_name="${mlc_name_prefix}${mlc_mother_id}"
local mother_rootfs=$mlc_conf_dir/$mother_name/rootfs
local vm_min_rootfs=$mlc_conf_dir/$mlc_name_prefix$nodeMin/rootfs
mkdir -p $gmon_dir
cp $mother_rootfs/$binary_path/$binary $gmon_bin
cp $mother_rootfs/$binary_path/$binary $gmon_bin.strip
strip $gmon_bin.strip
echo "cp $vm_min_rootfs/$gmon_out $gmon_sum"
cp $vm_min_rootfs/$gmon_out $gmon_sum
ls --full-time $vm_min_rootfs/$gmon_out $gmon_sum
local node
for node in $( seq $(( $nodeMin + 1 )) $nodeMax ) ; do
local vm_rootfs=$mlc_conf_dir/$mlc_name_prefix$node/rootfs
echo "gprof -s $gmon_bin $vm_rootfs/$gmon_out $gmon_sum"
gprof -s $gmon_bin $vm_rootfs/$gmon_out $gmon_sum
ls --full-time $vm_rootfs/$gmon_out $gmon_sum
done
cp $gmon_sum $gmon_SUM
gprof $gmon_bin $gmon_SUM > $gmon_txt
less $gmon_txt
}
mlc_cpu_set(){
local GOVERNOR=$1
if [ -r /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors ]; then
for i in `seq 0 $(($(ls /sys/devices/system/cpu/cpu*/cpufreq/scaling_available_governors | wc -l) -1))`; do
if grep -q $GOVERNOR /sys/devices/system/cpu/cpu$i/cpufreq/scaling_available_governors ; then
if cpufreq-set -c $i -g $GOVERNOR ; then
echo "Success setting cpu$i $GOVERNOR governor"
else
echo "WARNING: Could not set cpu$i $GOVERNOR governor"
fi
fi
done
else
echo "WARNING: unable to set cpus' $GOVERNOR governor"
fi
cpufreq-info
}
mlc_cpu_max() {
mlc_cpu_set performance
}
mlc_cpu_min() {
mlc_cpu_set powersave
}
mlc_cpu_sleep_until_idle() {
local min=$mlc_cpu_idle_assumption
local cpus=$(cat /proc/cpuinfo | grep processor | wc -l )
local probeA=$(grep 'cpu ' /proc/stat | awk '{print $5}')
while true; do
local probeB=$(sleep 0.4; grep 'cpu ' /proc/stat | awk '{print $5}')
local idle=$((( -100 * ( $probeA - $probeB) / (40 * $cpus) )))
echo "cpus=$cpus idle=$idle min=$min , $( [ "$idle" -lt "$min" ] && echo "WAITING...")"
[ "$idle" -lt "$min" ] || break
probeA=$probeB
done
}
MLC_loop_boot() {
# set -x
local node=$1
local name="$mlc_name_prefix$1"
lxc-info --name $name | grep -q RUNNING && echo "$name already RUNNING" || lxc-start -n $name -d
}
MLC_loop_help() {
echo available long options are: $longopts
echo available short options are: $shortopts
}
mlc_loop() {
# set -x
local loop_min=$mlc_min_node
local loop_max=$mlc_max_node
local loop_help=0
local loop_create=0
local loop_boot=0
local loop_load=0
local loop_stop=0
local loop_destroy=0
local loop_pretend=""
local loop_update=0
local loop_exec="0"
local shortopts="hpcubsdli:a:e:C:"
local longopts="help,pretend,create,update;boot,stop,destroy,load,min:,max:,hosts,exec:,config:"
local TEMP=$(getopt -o $shortopts --long $longopts -- "$@")
if [ $? != 0 ] ; then echo "Terminating..." >&2 ; return 1 ; fi
# Note the quotes around `$TEMP': they are essential!
eval set -- "$TEMP"
while true ; do
# echo evaluating $@
case "$1" in
-h|--help) MLC_loop_help; return 0;;
-i|--min) loop_max=$2 loop_min=$2 ; shift 2 ;;
-a|--max) loop_max=$2 ; shift 2 ;;
-c|--create) loop_create=1 ; shift 1 ;;
-u|--update) loop_update=1 ; shift 1 ;;
-b|--boot) loop_boot=1 ; shift 1 ;;
-s|--stop) loop_stop=1 ; shift 1 ;;
-l|--load) loop_load=1 ; shift 1 ;;
-d|--desroy) loop_destroy=1 ; shift 1 ;;
-p|--pretend) loop_pretend="echo"; shift 1;;
-e|--exec) loop_exec=$2; shift 2;;
--) shift ; break ;;
*) echo "Internal error!" ; return 1 ;;
esac
done
for node in $( seq $loop_min $loop_max ) ; do
local loop_name="$mlc_name_prefix$node"
[ "$loop_load" == "1" ] && mlc_cpu_sleep_until_idle
[ "$loop_create" == "1" ] && echo "creating $loop_name" && $loop_pretend mlc_create_child $node && sync
[ "$loop_update" == "1" ] && echo "updating $loop_name" && $loop_pretend mlc_update_individual $node
[ "$loop_boot" == "1" ] && echo "booting $loop_name" && \
mlc_cpu_sleep_until_idle && sync && $loop_pretend MLC_loop_boot $node
[ "$loop_stop" == "1" ] && echo "stopping $loop_name" && $loop_pretend lxc-stop -kn $mlc_name_prefix$node #-t 1
[ "$loop_destroy" == "1" ] && echo "destroying $loop_name" && $loop_pretend mlc_destroy $node
[ "$loop_exec" != "0" ] && echo "executing $loop_name $loop_exec" && $loop_pretend $mlc_ssh root@"$(MLC_calc_ip4 $mlc_ip4_admin_prefix1 $node $mlc_admin_idx )" $loop_exec
# [ "$loop_exec" != "0" ] && echo "executing $loop_name $loop_exec" && $loop_pretend lxc-attach -n $loop_name -- $loop_exec
done
[ "$loop_boot" == "1" ] && $loop_pretend mlc_veth_obtain
}
MLC_transform_long_mac() {
local long=$1
printf "%X:%X:%X:%X:%X:%X\n" \
$(( 16#$(echo $long | awk -F: '{print $1}') )) \
$(( 16#$(echo $long | awk -F: '{print $2}') )) \
$(( 16#$(echo $long | awk -F: '{print $3}') )) \
$(( 16#$(echo $long | awk -F: '{print $4}') )) \
$(( 16#$(echo $long | awk -F: '{print $5}') )) \
$(( 16#$(echo $long | awk -F: '{print $6}') ))
}
MLC_setup_bridge() {
local link=$1
local addr=$2
local mask=$3
local brc=$4
if [ -z "$link" ] ; then
echo something is not defined
return 0
fi
if brctl show | grep "^$link$" ; then
echo link $link already setup
else
echo setup $link
brctl addbr $link
fi
if [ -z "$addr" ] ; then
echo no address given
else
ip addr add $addr/$mask br $brc dev $link
ip link set $link address 0:$(printf "%X" $(echo $addr | awk -F. '{print $4}')):$(printf "%X" $(echo $addr | awk -F. '{print $3}')):0:0:0
fi
brctl setfd $link 0
ip link set $link up
ip link set $link promisc on
echo 1 > /sys/devices/virtual/net/$link/bridge/multicast_snooping
}
mlc_peer_prepare() {
for idx in $( seq $mlc_peer_idx_min $mlc_peer_idx_max ) ; do
ebtables -I FORWARD -s $mlc_mac_prefix:0:0:$idx/FF:FF:FF:0:0:FF -j ACCEPT
done
}
mlc_peer_clear() {
local nodeA=$1
local nodeB=${2:-$nodeA}
local bridge=""
if [ -z $nodeA ] ; then
echo "usage: mlc_peer_clear <nodeA> [nodeB]"; return 1;
fi
if ! ip link show | grep ${mlc_p2p_bridge_delimiter} | grep ${mlc_p2p_bridge_prefix}${nodeA} | grep ${mlc_p2p_bridge_prefix}${nodeB} > /dev/null 2>&1 ; then
return 1;
fi
local bridges="$( ip link show | grep ${mlc_p2p_bridge_delimiter} | grep ${mlc_p2p_bridge_prefix}${nodeA} | grep ${mlc_p2p_bridge_prefix}${nodeB} | awk -F': ' '{print $2}' )"
local bridge=""
echo "del bridge $bridges"
for bridge in $bridges; do
# local br
# for br in $( echo $bridge | awk -F"$mlc_p2p_bridge_delimiter" '{print $1 " " $2}' ) ; do
#
# local bridge=$( echo $br | awk -F"$mlc_p2p_bridge_prefix" '{print $2}' )
# local nodeidx=$( echo $bridge | awk -F"$mlc_p2p_bridge_delimiter" '{print $1}' | awk -F"$mlc_p2p_bridge_prefix" '{print $2}' )
# local node=$( echo $nodeidx | awk -F"$mlc_p2p_bridge_idx_delimiter" '{print $1}' )
# local idx=$( echo $nodeidx | awk -F"$mlc_p2p_bridge_idx_delimiter" '{print $2}' )
#
# ebtables -D FORWARD -o $(MLC_get_veth_cache $node $idx ) -j ACCEPT
# done
ifconfig $bridge down
brctl delbr $bridge
done
}
MLC_peer_alloc_idx() {
local node=$1
local cache_file="$mlc_tmp_dir/MLC_peer_alloc_idx.tmp"
ip link show | grep "${mlc_p2p_bridge_delimiter}" | grep "${mlc_p2p_bridge_prefix}${node}${mlc_p2p_bridge_idx_delimiter}" > $cache_file
for idx in $( seq $mlc_peer_idx_min $mlc_peer_idx_max ) ; do
if ! grep "${mlc_p2p_bridge_prefix}${node}${mlc_p2p_bridge_idx_delimiter}${idx}" $cache_file > /dev/null 2>&1 ; then
echo "$idx"
return 0;
fi
done
return 1;
}
mlc_peer_get() {
local node=$1
local links=$( ip link show | grep ${mlc_p2p_bridge_delimiter} | grep ${mlc_p2p_bridge_prefix}${node} | awk -F': ' '{print $2}' )
local link
for link in $links; do
printf "%s " $link
done
}
mlc_peer_set() {
local node_a=$1
local node_b=$2
if [ -z $node_a ] || [ -z $node_b ] ; then
echo "usage: mlc_peer_set <nodeA> <nodeB> [idxA] [idxB]"; return 1;
fi
if [ "$node_a" == "$node_b" ] ; then
return 0
fi
if [ "$node_a" -gt "$node_b" ] ; then
local node_x=$node_a
node_a=$node_b
node_b=$node_x
fi
mlc_peer_clear $node_a $node_b
local idx_a=${3:-"$(MLC_peer_alloc_idx $node_a )"}
local idx_b=${4:-"$(MLC_peer_alloc_idx $node_b )"}
if [ -z $idx_a ] || [ -z $idx_b ] ; then
echo "ERROR: no idx available"; return 1;
fi
local veth_a="$(MLC_get_veth_cache $node_a $idx_a)"
local veth_b="$(MLC_get_veth_cache $node_b $idx_b)"
if ! ip link show dev $veth_a > /dev/null 2>&1 || ! ip link show dev $veth_b > /dev/null ; then
echo "veth interfaces could not be found"; return 1;
fi
local bridge_name="${mlc_p2p_bridge_prefix}${node_a}${mlc_p2p_bridge_idx_delimiter}${idx_a}${mlc_p2p_bridge_delimiter}${mlc_p2p_bridge_prefix}${node_b}${mlc_p2p_bridge_idx_delimiter}${idx_b}"
echo "creating bridge $bridge_name ifA $veth_a ifB $veth_b"
brctl addbr $bridge_name
brctl setfd $bridge_name 0
ifconfig $bridge_name up
ifconfig $bridge_name promisc
brctl addif $bridge_name $veth_a
brctl addif $bridge_name $veth_b
# ebtables -I FORWARD -o $veth_a -j ACCEPT
# ebtables -I FORWARD -o $veth_b -j ACCEPT
}
MLC_get_veth_cache() {
local node=$1
local idx=$2
local name="${mlc_name_prefix}${node}"
if lxc-info -n $name | grep -q RUNNING ; then
echo "$( MLC_calc_veth_name $node $idx )"; return 0;
fi
echo "Failed to resolve if name for $name $idx"; return 1;
}
mlc_ls() {
for name in $(lxc-ls | sort -u); do
if lxc-info -n $name | grep -q RUNNING ; then
printf "%-10s %-10s %s \n" $name "RUNNING " "$( mlc_peer_get $(echo $name | awk -F $mlc_name_prefix '{print $2}' ) )"
fi
done
}
MLC_veth_obtain() {
#set -x
local name=
local dev=
local cache_file="$mlc_tmp_dir/MLC_veth_obtain.tmp"
printf "%-10s %-10s\n" "container:" "state:"
for name in $(lxc-ls | grep $mlc_name_prefix | sort -u); do
if echo "$name" | grep -q "$mlc_name_prefix" && lxc-info -n $name| grep -q RUNNING ; then
printf "%-10s %-10s " $name "RUNNING"
local node=$( echo $name | awk -F"$mlc_name_prefix" '{print $2}' )
local node_ip="$(MLC_calc_ip4 $mlc_ip4_admin_prefix1 $node $mlc_admin_idx )"
if ping -n -c1 $node_ip > /dev/null ; then
# for dev in $( $mlc_ssh root@$node_ip ip link | tee $cache_file | grep ": ${mlc_dev_prefix}" | grep -v "@" | awk -F ': ' '{print $2}' | sort -u) ; do
for dev in $( lxc-attach -n $name -- ip link | tee $cache_file | grep ": ${mlc_dev_prefix}" | grep -v "@" | awk -F ': ' '{print $2}' | sort -u) ; do
printf "%8s: " $dev
local iif_lxc_line=$( cat $cache_file | grep " $dev:" )
if [ $? -ne 0 ]; then
echo "Failed to resolve lxc iif for $name $d"; return 1
fi
local iif_lxc=$(echo $iif_lxc_line | awk -F ':' '{print $1}')
let iif_host=$(( $iif_lxc + 1 ))
if [ $? -ne 0 ]; then
echo "Failed to calculate host ifi for $name $dev $iif_lxc"; return 1
fi
local host_dev=$(ip link show | grep -e "^$iif_host: $mlc_veth_prefix" )
if [ $? -ne 0 ]; then
echo "Failed to resolve if name for $name $dev $iif_lxc $iif_host"; return 1
fi
local veth=$( echo $host_dev | awk -F ': ' '{print $2}' )
if [ "$veth" == "" ]; then
printf "ERROR: interface error\n"
echo "host_dev=$host_dev iif_host=$iif_host mlc_veth_prefix=$mlc_veth_prefix"
else
printf "%-10s " $veth
fi
done
else
printf "ERROR: not reachable"
fi
else
printf "%-6s %-10s " "$name" "???"
fi
printf "\n"
done
}
mlc_veth_obtain() {
MLC_veth_obtain | tee $mlc_veth_cache
}
mlc_veth_show() {
cat $mlc_veth_cache
}
mlc_veth_force_cleanup() {
for dev in $(ip link show | grep $mlc_veth_prefix | awk -F ': ' '{print $2}') ; do
if ip link show | grep ": $dev:" ; then
echo "ip link delete dev $dev"
ip link delete dev $dev
else
echo "ip link dev $dev already removed"
fi
done
}
mlc_net_flush() {
ebtables -P FORWARD DROP
ebtables --flush FORWARD
ebtables -I FORWARD --logical-out mbr0 -j ACCEPT
ebtables -I FORWARD --logical-in mbr0 -j ACCEPT
# ebtables -I FORWARD --logical-out mlc0 -j DROP
# ebtables -I FORWARD --logical-out mlc1 -j DROP
# ebtables -I FORWARD --logical-out mlc2 -j DROP
# ebtables -I FORWARD --logical-out mbr1 -j DROP
# ebtables -I FORWARD --logical-out mbr2 -j DROP
}
mlc_qdisc_clear() {
local idx_list=${1:-"1 2"}
local idx
# mlc_net_flush
for idx in $idx_list ; do
echo "clearing qdisc idx=$idx of idx_list=$idx_list"
local dev
for dev in $( tc qdisc | grep "qdisc prio 1: dev $mlc_veth_prefix" | grep "_$idx" | awk -F 'dev ' '{print $2}' | awk '{print $1 }' ) ; do
echo "setting qdisc rules for dev $dev"
tc qdisc del dev $dev root
done
done
}
MLC_qdisc_set_rule() {
local dev=$1
local mark=$2
local delay=$3
local delay_correlation=$4
local loss=$5
local loss_correlation=$6
tc qdisc add dev $dev parent 1:$(printf "0x%X" $mark) netem loss $loss $loss_correlation delay $delay
tc filter add dev $dev parent 1:0 protocol all prio 1 handle $(printf "0x%X" $mark) fw flowid 1:$(printf "0x%X" $mark)
# tc filter add dev $dev parent 1:0 protocol ip prio 2 handle $(printf "0x%X" $mark) fw flowid 1:$(printf "0x%X" $mark)
# tc filter add dev $dev parent 1:0 protocol ipv6 prio 3 handle $(printf "0x%X" $mark) fw flowid 1:$(printf "0x%X" $mark)
}
MLC_qdisc_set_rules() {
local dev=$1
if tc qdisc | grep -q "qdisc prio 1: dev $dev" ; then
tc qdisc del dev $dev root
fi
tc qdisc add dev $dev root handle 1: prio bands 16 priomap 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
# tc qdisc add dev $a_veth parent 1:1 netem loss 100%
# delay corr loss correlation
MLC_qdisc_set_rule $dev 3 0.1ms 0% 0% 0% #BroadCast
MLC_qdisc_set_rule $dev 4 0.1ms 0% 0% 0% #UniCast
MLC_qdisc_set_rule $dev 5 0.2ms 0% 10% 0% #BroadCast
MLC_qdisc_set_rule $dev 6 0.4ms 0% 0% 0% # 0.2% #UniCast
# MLC_qdisc_set_rule $dev 5 0.2ms 0% 0% 0% #BroadCast
# MLC_qdisc_set_rule $dev 6 0.4ms 0% 2% 0% # 0.2% #UniCast
MLC_qdisc_set_rule $dev 7 0.3ms 0% 20% 0% #BroadCast
MLC_qdisc_set_rule $dev 8 1.6ms 0% 0% 0% #0.5% #UniCast
# MLC_qdisc_set_rule $dev 7 0.3ms 0% 0% 0% #BroadCast
# MLC_qdisc_set_rule $dev 8 1.6ms 0% 5% 0% #0.5% #UniCast
MLC_qdisc_set_rule $dev 9 0.4ms 0% 30% 0% #BroadCast
MLC_qdisc_set_rule $dev 10 6.4ms 0% 0% 0% #1% #UniCast
# MLC_qdisc_set_rule $dev 9 0.4ms 0% 0% 0% #BroadCast
# MLC_qdisc_set_rule $dev 10 6.4ms 0% 10% 0% #1% #UniCast
MLC_qdisc_set_rule $dev 11 0.5ms 0% 40% 0% #BroadCast
MLC_qdisc_set_rule $dev 12 25ms 0% 0% 0% #2% #UniCast
# MLC_qdisc_set_rule $dev 11 0.5ms 0% 0% 0% #BroadCast
# MLC_qdisc_set_rule $dev 12 25ms 0% 20% 0% #2% #UniCast
MLC_qdisc_set_rule $dev 13 0.6ms 0% 50% 0% #0.8ms 25% BroadCast
MLC_qdisc_set_rule $dev 14 100ms 0% 0% 0% #5% #UniCast
# MLC_qdisc_set_rule $dev 13 0.6ms 0% 0% 0% #0.8ms 25% BroadCast
# MLC_qdisc_set_rule $dev 14 100ms 0% 40% 0% #5% #UniCast
MLC_qdisc_set_rule $dev 15 0.7ms 0% 60% 0% #1ms 40% BroadCast
MLC_qdisc_set_rule $dev 16 400ms 0% 0% 0% #10% #UniCast
# MLC_qdisc_set_rule $dev 15 0.7ms 0% 0% 0% #1ms 40% BroadCast
# MLC_qdisc_set_rule $dev 16 400ms 0% 80% 0% #10% #UniCast
}
mlc_qdisc_prepare() {
local idx_list=${1:-"0 1 2 3 6"}
local idx
for idx in $idx_list ; do
echo "setting qdisc idx=$idx of idx_list=$idx_list"
local dev
for dev in $( cat $mlc_veth_cache | grep "RUNNING" | awk -F"${mlc_dev_prefix}${idx}:" '{print $2}' | awk '{print $1 }' ) ; do
echo "setting qdisc rules for idx=$idx $dev"
MLC_qdisc_set_rules $dev
done
done
}
MLC_link_get() {
local src=$1
local oif=$2
local mark_mc mark_uc mark_bc
# mark_mc="$(ebtables -L FORWARD | grep -ie "-s $src -d $mlc_mac6_multicast -o $oif -j mark --mark-set " | awk -F 'mark-set ' '{print $2}' | awk '{print $1}')"
mark_bc="$(ebtables -L FORWARD | grep -ie "-s $src -d Broadcast -o $oif -j mark --mark-set " | awk -F 'mark-set ' '{print $2}' | awk '{print $1}')"
mark_uc="$(ebtables -L FORWARD | grep -ie "-s $src -o $oif -j mark --mark-set " | awk -F 'mark-set ' '{print $2}' | awk '{print $1}')"
echo "obtaining old lq for src $src oif $oif mark $mark_mc $mark_bc $mark_uc" >&2
if [ -z $mark_mc ] && [ -z $mark_bc ] && [ -z $mark_uc ]; then
echo 0;
return 0;
fi
if [ "$(( $mark_bc + 1 ))" != "$(( $mark_uc ))" ] ; then
echo "Failed to obtain old lq for src $src oif $oif mark $mark_bc $mark_uc" >&2
return 1;
fi
echo "$(( $mark_bc ))"
}
mlc_link_clear() {
local src_long="$1"
local src="$(MLC_transform_long_mac $src_long)"
local oif="$2"
echo "mlc_link: src=$src_long -> oif=$oif "
for mark in $(ebtables -L FORWARD | grep -ie "-s $src -o $oif -j mark --mark-set " | awk -F 'mark-set ' '{print $2}' | awk '{print $1}') ; do
ebtables -D FORWARD -s $src -o $oif -j mark --mark-set $mark --mark-target ACCEPT
done
for mark in $(ebtables -L FORWARD | grep -ie "-s $src -d Broadcast -o $oif -j mark --mark-set " | awk -F 'mark-set ' '{print $2}' | awk '{print $1}') ; do
ebtables -D FORWARD -s $src -d Broadcast -o $oif -j mark --mark-set $mark --mark-target ACCEPT
done
for mark in $(ebtables -L FORWARD | grep -ie "-s $src -d $mlc_mac6_multicast -o $oif -j mark --mark-set " | awk -F 'mark-set ' '{print $2}' | awk '{print $1}') ; do
ebtables -D FORWARD -s $src -d $mlc_mac6_multicast -o $oif -j mark --mark-set $mark --mark-target ACCEPT
done
}
mlc_link_set() {
local cmd="mlc_link_set"
if [ -z $1 ] || [ -z $2 ] || [ -z $3 ] || [ -z $4 ] || [ -z $5 ]; then
printf "usage: $cmd ifnA nodeA ifnB nodeB txA txB purgeFlag \n"
printf "example: $cmd 1 $mlc_min_node 1 $(( $mlc_min_node + 1 )) 3 [13] [1] \n"
return 1
fi
local a_ifn=$1
local a_node=$2
local b_ifn=$3
local b_node=$4
local a_tq=$5
local b_tq=${6:-$a_tq}
local purge=${7:-1}
local a_mark_bc=$a_tq #0x2 #2,4,6,..14
local a_mark_uc=$(( $a_mark_bc + 1 ))
local b_mark_bc=$b_tq #0x2 #2,4,6,..14
local b_mark_uc=$(( $b_mark_bc + 1 ))
local a_mac="$( MLC_calc_mac $a_node $a_ifn )"
local b_mac="$( MLC_calc_mac $b_node $b_ifn )"
local a_veth
local b_veth
a_veth="$( MLC_get_veth_cache $a_node $a_ifn )"
if [ $? -ne 0 ]; then
echo "Failed to resolve veth for $a_veth"
return 1
fi
b_veth="$( MLC_get_veth_cache $b_node $b_ifn )"
if [ $? -ne 0 ]; then
echo "Failed to resolve veth for $b_veth"
return 1
fi
echo mlc_link_set ${mlc_dev_prefix}$a_ifn $a_node $a_veth TQ=$a_tq -- ${mlc_dev_prefix}$b_ifn $b_node $b_veth TQ=$b_tq
[ "$a_tq" != "0" ] || [ "$purge" != "0" ] && mlc_link_clear $a_mac $b_veth
if [ "$a_tq" != "0" ] ; then
ebtables -A FORWARD -s $a_mac -d $mlc_mac6_multicast -o $b_veth -j mark --set-mark $(printf "0x%X" $a_mark_bc) --mark-target ACCEPT
ebtables -A FORWARD -s $a_mac -d Broadcast -o $b_veth -j mark --set-mark $(printf "0x%X" $a_mark_bc) --mark-target ACCEPT
ebtables -A FORWARD -s $a_mac -o $b_veth -j mark --set-mark $(printf "0x%X" $a_mark_uc) --mark-target ACCEPT
fi
[ "$b_tq" != "0" ] || [ "$purge" != "0" ] && mlc_link_clear $b_mac $a_veth
if [ "$b_tq" != "0" ] ; then
ebtables -A FORWARD -s $b_mac -d $mlc_mac6_multicast -o $a_veth -j mark --set-mark $(printf "0x%X" $b_mark_bc) --mark-target ACCEPT
ebtables -A FORWARD -s $b_mac -d Broadcast -o $a_veth -j mark --set-mark $(printf "0x%X" $b_mark_bc) --mark-target ACCEPT
ebtables -A FORWARD -s $b_mac -o $a_veth -j mark --set-mark $(printf "0x%X" $b_mark_uc) --mark-target ACCEPT
fi
}
mlc_mac_set() {
[ -z $1 ] && \
echo "example: mlc_mac_set <dev_idx> <nodeA> <phyDev> <macOfPeerDev> <lq>" && \
echo "example: mlc_mac_set 1 1001 ${mlc_dev_prefix}0 p00:00:00:00:00:AA 3 " && \
return 1
local ifn=$1
local a=$2