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#!/bin/sh -ef
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# web/demo_connect.sh: Prepare asciinema(1) demo for connect example
#
# Copyright (c) 2023 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
# Alice Frosi <afrosi@redhat.com>
SEITAN_DIR=$(pwd)
SESSION=demo
VIDEO=seitan-connect
PSEITAN=1
PEATER=2
PSERVER=3
setup_common() {
tmux new-session -d -s $SESSION
tmux send-keys -t $SESSION 'PS1="$ "'
tmux send-keys -t $SESSION C-m
tmux send-keys -t $SESSION clear
tmux send-keys -t $SESSION C-m
tmux set -t $SESSION window-status-format '#W'
tmux set -t $SESSION window-status-current-format '#W'
tmux set -t $SESSION status-left ''
tmux set -t $SESSION window-status-separator ''
tmux set -t $SESSION window-status-style 'bg=colour1 fg=colour15 bold'
tmux set -t $SESSION status-right ''
tmux set -t $SESSION status-style 'bg=colour1 fg=colour15 bold'
tmux set -t $SESSION status-right-style 'bg=colour1 fg=colour15 bold'
tmux send-keys -t $SESSION "cd ${SEITAN_DIR}" ENTER
sleep 1
}
split_panes() {
tmux split-window -h
tmux send-keys -t $SESSION 'PS1="$ " && clear' ENTER
tmux split-window -v
tmux send-keys -t $SESSION 'PS1="$ " && clear' ENTER
}
SCRIPT_cooker='
cat demo/connect.hjson
###
clear
./seitan-cooker demo/connect.hjson demo/connect.gluten demo/connect.bpf
###
clear
'
SCRIPT_socat='
#
socat UNIX-LISTEN:/tmp/demo.sock -
#
'
SCRIPT_eater_connect='
#
./seitan-eater -i demo/connect.bpf -- socat OPEN:abcd UNIX-CONNECT:/var/run/pr-helper.sock
#
'
SCRIPT_eater_connect_fake='
#
./seitan-eater -i demo/connect.bpf -- socat - UNIX-CONNECT:/fake.sock
#
'
SCRIPT_eater_connect_error='
#
./seitan-eater -i demo/connect.bpf -- socat OPEN:abcd UNIX-CONNECT:/error.sock
#
'
SCRIPT_seitan='
#
./seitan -p $(pgrep seitan-eater) -i demo/connect.gluten
'
cmd_write() {
__str="${@}"
while [ -n "${__str}" ]; do
__rem="${__str#?}"
__first="${__str%"$__rem"}"
if [ "${__first}" = ";" ]; then
tmux send-keys -t $SESSION -l '\;'
else
tmux send-keys -t $SESSION -l "${__first}"
fi
sleep 0.05 || :
__str="${__rem}"
done
sleep 2
tmux send-keys -t $SESSION "C-m"
}
script() {
IFS='
'
for line in $(eval printf '%s\\\n' \$SCRIPT_${1}); do
unset IFS
case ${line} in
"@") tmux send-keys -t $SESSION C-m ;;
"#"*) sleep ${#line} ;;
*) cmd_write "${line}" ;;
esac
IFS='
'
done
unset IFS
}
wait_seitan_exit() {
while [ "$(pgrep seitan)" != "" ] ; do sleep 1; done
}
clear_panes() {
wait_seitan_exit
panes=$(tmux list-panes |awk '{ print $1 }' | sed 's/://')
for p in $panes
do
tmux select-pane -t $p
tmux send-keys -t $SESSION clear
tmux send-keys -t $SESSION C-m
done
sleep 1
}
teardown_common() {
sleep 5
tmux kill-session -t $SESSION
sleep 5
}
printf '\e[8;22;80t'
setup_common
tmux send-keys -t $SESSION -l 'reset'
tmux send-keys -t $SESSION C-m
tmux rename-window -t $SESSION 'Seitan demo: generate input files'
asciinema rec --overwrite ${VIDEO}.cast -c 'tmux attach -t $SESSION' &
sleep 1
tmux refresh-client
# Input generation
tmux select-pane -t $PSEITAN
script cooker
# First part
split_panes
tmux select-pane -t $PSERVER
tmux rename-window -t $SESSION 'Seitan demo: connect to another path'
script socat
tmux select-pane -t $PEATER
script eater_connect
tmux select-pane -t $PSEITAN
script seitan
sleep 4
# Use only 2 panes
clear_panes
tmux kill-pane -t $PSERVER
# Second part
tmux rename-window -t $SESSION 'Seitan demo: mock connect syscall'
tmux select-pane -t $PEATER
script eater_connect_fake
tmux select-pane -t $PSEITAN
script seitan
sleep 4
clear_panes
# Third part
tmux rename-window -t $SESSION 'Seitan demo: error injection (EPERM)'
tmux select-pane -t $PEATER
script eater_connect_error
tmux select-pane -t $PSEITAN
script seitan
teardown_common
gzip -fk9 ${VIDEO}.cast
|
