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#!/bin/sh
. "./netjail_core.sh"
set -eu
set -x
export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
LOCAL_M=$1
GLOBAL_N=$2
# TODO: globally known peer?
shift 2
netjail_check $(($LOCAL_M * $GLOBAL_N))
# Starts optionally 'stunserver' on "92.68.150.$(($GLOBAL_N + 1))":
STUN=$(netjail_opt '--stun' $@)
if [ $STUN -gt 0 ]; then
netjail_check_bin stunserver
shift 1
STUN_NODE=$(netjail_print_name "S" 254)
fi
netjail_check_bin $1
LOCAL_GROUP="192.168.15"
GLOBAL_GROUP="92.68.150"
CLEANUP=0
echo "Start [local: $LOCAL_GROUP.0/24, global: $GLOBAL_GROUP.0/24, stun: $STUN]"
NETWORK_NET=$(netjail_print_name "n" $GLOBAL_N $LOCAL_M)
netjail_bridge $NETWORK_NET
for N in $(seq $GLOBAL_N); do
ROUTER=$(netjail_print_name "R" $N)
netjail_node $ROUTER
netjail_node_link_bridge $ROUTER $NETWORK_NET "$GLOBAL_GROUP.$N" 24
ROUTER_NET=$(netjail_print_name "r" $N)
netjail_bridge $ROUTER_NET
for M in $(seq $LOCAL_M); do
NODE=$(netjail_print_name "N" $N $M)
netjail_node $NODE
netjail_node_link_bridge $NODE $ROUTER_NET "$LOCAL_GROUP.$M" 24
done
ROUTER_ADDR="$LOCAL_GROUP.$(($LOCAL_M+1))"
netjail_node_link_bridge $ROUTER $ROUTER_NET $ROUTER_ADDR 24
netjail_node_add_nat $ROUTER $ROUTER_ADDR 24
for M in $(seq $LOCAL_M); do
NODE=$(netjail_print_name "N" $N $M)
netjail_node_add_default $NODE $ROUTER_ADDR
done
done
WAITING=""
KILLING=""
if [ $STUN -gt 0 ]; then
netjail_node $STUN_NODE
netjail_node_link_bridge $STUN_NODE $NETWORK_NET "$GLOBAL_GROUP.254" 24
netjail_node_exec $STUN_NODE 0 1 stunserver &
KILLING="$!"
fi
for N in $(seq $GLOBAL_N); do
for M in $(seq $LOCAL_M); do
NODE=$(netjail_print_name "N" $N $M)
INDEX=$(($LOCAL_M * ($N - 1) + $M - 1))
FD_X=$(($INDEX * 2 + 3 + 0))
FD_Y=$(($INDEX * 2 + 3 + 1))
netjail_node_exec $NODE $FD_X $FD_Y $@ &
WAITING="$! $WAITING"
done
done
cleanup() {
if [ $STUN -gt 0 ]; then
STUN_NODE=$(netjail_print_name "S" 254)
netjail_node_unlink_bridge $STUN_NODE $NETWORK_NET
netjail_node_clear $STUN_NODE
fi
for N in $(seq $GLOBAL_N); do
ROUTER_NET=$(netjail_print_name "r" $N)
for M in $(seq $LOCAL_M); do
NODE=$(netjail_print_name "N" $N $M)
netjail_node_unlink_bridge $NODE $ROUTER_NET
netjail_node_clear $NODE
done
ROUTER=$(netjail_print_name "R" $N)
netjail_bridge_clear $ROUTER_NET
netjail_node_unlink_bridge $ROUTER $NETWORK_NET
netjail_node_clear $ROUTER
done
netjail_bridge_clear $NETWORK_NET
}
trapped_cleanup() {
netjail_killall $WAITING
netjail_killall $KILLING
cleanup
}
trap 'trapped_cleanup' 2
netjail_waitall $WAITING
netjail_killall $KILLING
wait
cleanup
echo "Done"
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