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| | #!/bin/sh
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# PASST - Plug A Simple Socket Transport
# for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
# for network namespace/tap device mode
#
# test/lib/util - Convenience functions
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
# list_has() - Check whether a tab-separated list contains a given token
# $1: List
# $2: Token
# Return: 0 if token was found or is empty, 1 otherwise
list_has() {
[ -z "${2}" ] && return 0
__ifs="${IFS}"
IFS=' '
for __t in ${1}; do
[ "${__t}" = "${2}" ] && IFS="${__ifs}" && return 0
done
IFS="${__ifs}"
return 1
}
# list_add() - Add token to tab-separated list, unless it's already present
# $1: List
# $2: Token
list_add() {
list_has "${1}" "${2}" && return
[ -n "${1}" ] && printf '%s\t%s\n' "${1}" "${2}" || printf '%s\n' "${2}"
}
# list_remove_pair() - Drop pair with given key if present
# $1: List
# $2: Key
list_remove_pair()
{
__ifs="${IFS}"
IFS=' '
__skip_next=0
for __t in ${1}; do
[ ${__skip_next} -eq 1 ] && __skip_next=0 && continue
[ "${__t}" = "${2}" ] && __skip_next=1 && continue
printf '%s\t' "${__t}"
done
printf "\n"
IFS="${__ifs}"
}
# list_add_pair() - Add token pair to list, replace if the first one is present
# $1: List
# $2: First token
# $3: Second token
list_add_pair() {
[ -z "${3}" ] && return
if [ -n "${1}" ]; then
__new_list="$(list_remove_pair "${1}" "${2}")"
printf '%s\t%s\t%s' "${__new_list}" "${2}" "${3}"
else
printf '%s\t%s' "${2}" "${3}"
fi
printf "\n"
}
# list_has_all() - Check whether a list contains all given IFS-separated tokens
# $1: List
# $2: List of tokens
# Return: 0 if list of tokens was found or is empty, 1 otherwise
list_has_all() {
[ -z "${2}" ] && return 0
for __i in ${2}; do
list_has "${1}" "${__i}" || return 1
done
return 0
}
# file_def() - List of tokens tab-separated line from file, starting with key
# $1: Filename
# $2: Token
file_def() {
sed -n 's/^'"${2}"'\t\(.*\)/\1/p' "${1}" | tr ' ' '\t'
}
# subs_apply() - Apply substitutions using a list of token pairs
# $1: List of substitutions
# $2: String where substitutions have to be applied
subs_apply() {
__ifs="${IFS}"
IFS=' '
__newarg="${2}"
__s=
for __t in ${1}; do
[ -z "${__s}" ] && __s="${__t}" && continue
__et="$(printf '%s\n' "$__t" | sed -e 's/[\/&]/\\&/g')"
__es="$(printf '%s\n' "$__s" | sed -e 's/[]\/$*.^[]/\\&/g')"
__newarg="$(printf '%s' "${__newarg}" | sed "s/${__es}/${__et}/g")"
__s=
done
printf '%s' "${__newarg}"
IFS="${__ifs}"
}
# get_info_cols() - Get number of columns for info pane
get_info_cols() {
__log_pane_cols=
__j=0
for __i in $(tmux list-panes -t passt_test:1.0 -F "#{pane_width}"); do
[ ${__j} -eq ${PANE_INFO} ] && STATUS_COLS=${__i} && break
__j=$((__j + 1))
done
}
# wait_for() - Retry a command until it succeeds
# $@: Command to run
wait_for() {
while ! "$@"; do
sleep 0.1 || sleep 1
done
}
|