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#!/bin/sh
NAMESPACE_FD=$(mktemp)
INTERFACE_FD=$(mktemp)
trap "rm -f $NAMESPACE_FD $INTERFACE_FD; exit" ERR EXIT
. "./netjail_core.sh"
set -eu
set -x
export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
PREFIX=$PPID
LOCAL_M=$1
GLOBAL_N=$2
shift 2
netjail_check $(($LOCAL_M * $GLOBAL_N))
# Starts optionally an amount of nodes without NAT starting with "92.68.151.1"
KNOWN=$(netjail_opt '--known' $@)
KNOWN_NUM=$(netjail_opts '--known' 0 $@)
# Starts optionally 'stunserver' on "92.68.150.254":
STUN=$(netjail_opt '--stun' $@)
if [ $KNOWN -gt 0 ]; then
shift 2
KNOWN=$KNOWN_NUM
netjail_check $(($LOCAL_M * $GLOBAL_N + $KNOWN))
fi
if [ $STUN -gt 0 ]; then
netjail_check_bin stunserver
shift 1
fi
netjail_check_bin $1
LOCAL_GROUP="192.168.15"
GLOBAL_GROUP="92.68.150"
KNOWN_GROUP="92.68.151"
CLEANUP=0
echo "Start [local: $LOCAL_GROUP.0/24, global: $GLOBAL_GROUP.0/16, stun: $STUN]"
NETWORK_NET=$(netjail_bridge)
for X in $(seq $KNOWN); do
KNOWN_NODES[$X]=$(netjail_node)
KNOWN_LINKS[$X]=$(netjail_node_link_bridge ${KNOWN_NODES[$X]} $NETWORK_NET "$KNOWN_GROUP.$X" 16)
done
declare -A NODES
declare -A NODE_LINKS
for N in $(seq $GLOBAL_N); do
ROUTERS[$N]=$(netjail_node)
NETWORK_LINKS[$N]=$(netjail_node_link_bridge ${ROUTERS[$N]} $NETWORK_NET "$GLOBAL_GROUP.$N" 16)
ROUTER_NETS[$N]=$(netjail_bridge)
for M in $(seq $LOCAL_M); do
NODES[$N,$M]=$(netjail_node)
NODE_LINKS[$N,$M]=$(netjail_node_link_bridge ${NODES[$N,$M]} ${ROUTER_NETS[$N]} "$LOCAL_GROUP.$M" 24)
done
ROUTER_ADDR="$LOCAL_GROUP.$(($LOCAL_M+1))"
ROUTER_LINKS[$N]=$(netjail_node_link_bridge ${ROUTERS[$N]} ${ROUTER_NETS[$N]} $ROUTER_ADDR 24)
netjail_node_add_nat ${ROUTERS[$N]} $ROUTER_ADDR 24
for M in $(seq $LOCAL_M); do
netjail_node_add_default ${NODES[$N,$M]} $ROUTER_ADDR
done
done
WAITING=""
KILLING=""
if [ $STUN -gt 0 ]; then
STUN_NODE=$(netjail_node)
STUN_LINK=$(netjail_node_link_bridge $STUN_NODE $NETWORK_NET "$GLOBAL_GROUP.254" 16)
netjail_node_exec $STUN_NODE 0 1 stunserver &
KILLING="$!"
fi
for X in $(seq $KNOWN); do
INDEX=$(($X - 1))
FD_X=$(($INDEX * 2 + 3 + 0))
FD_Y=$(($INDEX * 2 + 3 + 1))
netjail_node_exec ${KNOWN_NODES[$X]} $FD_X $FD_Y $@ &
WAITING="$! $WAITING"
done
for N in $(seq $GLOBAL_N); do
for M in $(seq $LOCAL_M); do
INDEX=$(($LOCAL_M * ($N - 1) + $M - 1 + $KNOWN))
FD_X=$(($INDEX * 2 + 3 + 0))
FD_Y=$(($INDEX * 2 + 3 + 1))
netjail_node_exec ${NODES[$N,$M]} $FD_X $FD_Y $@ &
WAITING="$! $WAITING"
done
done
cleanup() {
if [ $STUN -gt 0 ]; then
netjail_node_unlink_bridge $STUN_LINK
netjail_node_clear $STUN_NODE
fi
for X in $(seq $KNOWN); do
netjail_node_unlink_bridge ${KNOWN_LINKS[$X]}
netjail_node_clear ${KNOWN_NODES[$X]}
done
for N in $(seq $GLOBAL_N); do
for M in $(seq $LOCAL_M); do
netjail_node_unlink_bridge ${NODE_LINKS[$N,$M]}
netjail_node_clear ${NODES[$N,$M]}
done
netjail_node_unlink_bridge ${ROUTER_LINKS[$N]}
netjail_bridge_clear ${ROUTER_NETS[$N]}
netjail_node_unlink_bridge ${NETWORK_LINKS[$N]}
netjail_node_clear ${ROUTERS[$N]}
done
netjail_bridge_clear $NETWORK_NET
}
trapped_cleanup() {
netjail_killall $WAITING
netjail_killall $KILLING
cleanup
}
trap 'trapped_cleanup' ERR
netjail_waitall $WAITING
netjail_killall $KILLING
wait
cleanup
echo "Done"
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