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#!/bin/sh
# Shebang line included so editors and shellcheck/shfmt know this contains
# shell code
# In recent (relevant) versions of shellcheck busybox is a valid shell type
# shellcheck shell=busybox
# Helper functions for watchcat
# shellcheck source=/dev/null
. /lib/network/config.sh
. /lib/functions/network.sh
# Accept the historical real-device input while also handling @logical
# interface references used by other OpenWrt configs.
watchcat_resolve_ping_iface() {
local iface="$1"
local logical device network
[ -n "$iface" ] || return 1
case "$iface" in
@*)
logical="${iface#@}"
[ -n "$logical" ] || return 1
if network_get_device device "$logical"; then
printf '%s\n' "$device"
return 0
fi
printf '%s\n' "$iface"
return 1
;;
esac
network="$(find_config "$iface")"
if [ -n "$network" ]; then
printf '%s\n' "$iface"
return 0
fi
if network_get_device device "$iface"; then
printf '%s\n' "$device"
return 0
fi
printf '%s\n' "$iface"
return 1
}
watchcat_resolve_restart_iface() {
local iface="$1"
local network device
[ -n "$iface" ] || return 1
case "$iface" in
@*)
network="${iface#@}"
[ -n "$network" ] || return 1
if ! network_get_device device "$network"; then
printf '%s\n' "$network"
return 1
fi
printf '%s\n' "$network"
return 0
;;
esac
network="$(find_config "$iface")"
if [ -n "$network" ]; then
printf '%s\n' "$network"
return 0
fi
if network_get_device device "$iface"; then
printf '%s\n' "$iface"
return 0
fi
printf '%s\n' "$iface"
return 1
}
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