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https://passt.top/passt
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126 lines
2.8 KiB
Plaintext
126 lines
2.8 KiB
Plaintext
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#!/bin/sh
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# test/lib/util - Convenience functions
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#
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# Copyright (c) 2021 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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# list_has() - Check whether a tab-separated list contains a given token
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# $1: List
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# $2: Token
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# Return: 0 if token was found or is empty, 1 otherwise
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list_has() {
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[ -z "${2}" ] && return 0
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__ifs="${IFS}"
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IFS=' '
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for __t in ${1}; do
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[ "${__t}" = "${2}" ] && IFS="${__ifs}" && return 0
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done
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IFS="${__ifs}"
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return 1
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}
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# list_add() - Add token to tab-separated list, unless it's already present
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# $1: List
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# $2: Token
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list_add() {
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list_has "${1}" "${2}" && return
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[ -n "${1}" ] && printf '%s\t%s\n' "${1}" "${2}" || printf '%s\n' "${2}"
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}
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# list_remove_pair() - Drop pair with given key if present
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# $1: List
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# $2: Key
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list_remove_pair()
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{
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__ifs="${IFS}"
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IFS=' '
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__skip_next=0
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for __t in ${1}; do
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[ ${__skip_next} -eq 1 ] && __skip_next=0 && continue
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[ "${__t}" = "${2}" ] && __skip_next=1 && continue
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printf '%s\t' "${__t}"
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done
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printf "\n"
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IFS="${__ifs}"
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}
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# list_add_pair() - Add token pair to list, replace if the first one is present
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# $1: List
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# $2: First token
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# $3: Second token
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list_add_pair() {
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[ -z "${3}" ] && return
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if [ -n "${1}" ]; then
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__new_list="$(list_remove_pair "${1}" "${2}")"
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printf '%s\t%s\t%s' "${__new_list}" "${2}" "${3}"
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else
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printf '%s\t%s' "${2}" "${3}"
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fi
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printf "\n"
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}
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# list_has_all() - Check whether a list contains all given IFS-separated tokens
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# $1: List
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# $2: List of tokens
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# Return: 0 if list of tokens was found or is empty, 1 otherwise
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list_has_all() {
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[ -z "${2}" ] && return 0
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for __i in ${2}; do
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list_has "${1}" "${__i}" || return 1
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done
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return 0
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}
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# file_def() - List of tokens tab-separated line from file, starting with key
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# $1: Filename
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# $2: Token
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file_def() {
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sed -n 's/^'"${2}"'\t\(.*\)/\1/p' "${1}" | tr ' ' '\t'
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}
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# subs_apply() - Apply substitutions using a list of token pairs
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# $1: List of substitutions
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# $2: String where substitutions have to be applied
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subs_apply() {
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__ifs="${IFS}"
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IFS=' '
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__newarg="${2}"
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__s=
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for __t in ${1}; do
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[ -z "${__s}" ] && __s="${__t}" && continue
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__et="$(printf '%s\n' "$__t" | sed -e 's/[\/&]/\\&/g')"
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__es="$(printf '%s\n' "$__s" | sed -e 's/[]\/$*.^[]/\\&/g')"
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__newarg="$(printf '%s' "${__newarg}" | sed "s/${__es}/${__et}/g")"
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__s=
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done
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printf '%s' "${__newarg}"
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IFS="${__ifs}"
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}
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# get_info_cols() - Get number of columns for info pane
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get_info_cols() {
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__log_pane_cols=
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__j=0
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for __i in $(tmux list-panes -t passt_test:1.0 -F "#{pane_width}"); do
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[ ${__j} -eq ${PANE_INFO} ] && STATUS_COLS=${__i} && break
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__j=$((__j + 1))
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done
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}
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