launcher.sh.template

#!/usr/bin/env bash

cake_instances=()
if command -v uci >/dev/null 2>&1 && uci show cake-autorate >/dev/null 2>&1
then
	cake_uci_sections=$(uci show cake-autorate | grep -oE "^cake-autorate\..*\.enabled=" | cut -d. -f2 | cut -d= -f1)
	for cake_uci_section in ${cake_uci_sections}
	do
		enabled=$(uci get cake-autorate.${cake_uci_section}.enabled)
		[[ "${enabled}" != "1" ]] && continue # Skip disabled instances

		printf '%s\n' "# This file is automatically generated. Do not edit!" > "%%CONFIG_PREFIX%%/config.${cake_uci_section}.sh.tmp"
		printf '%s\n\n' "# You can edit the UCI configuration file /etc/config/cake-autorate." >> "%%CONFIG_PREFIX%%/config.${cake_uci_section}.sh.tmp"
		uci show cake-autorate.${cake_uci_section} >> "%%CONFIG_PREFIX%%/config.${cake_uci_section}.sh.tmp"
		sed -i "s/^cake-autorate.${cake_uci_section}.//g" "%%CONFIG_PREFIX%%/config.${cake_uci_section}.sh.tmp"
		sed -i -E "/^(enabled=|cake_autorate$)/d" "%%CONFIG_PREFIX%%/config.${cake_uci_section}.sh.tmp"
		mv "%%CONFIG_PREFIX%%/config.${cake_uci_section}.sh.tmp" "%%CONFIG_PREFIX%%/config.${cake_uci_section}.sh"
		cake_instances+=("%%CONFIG_PREFIX%%/config.${cake_uci_section}.sh")
	done
else
	cake_instances=(%%CONFIG_PREFIX%%/config.*.sh)
fi
cake_instance_pids=()

trap kill_cake_instances INT TERM EXIT

kill_cake_instances()
{
	trap - INT TERM EXIT

	echo "Killing all instances of cake one-by-one now."

	for ((cake_instance=0; cake_instance<${#cake_instances[@]}; cake_instance++))
	do
		kill "${cake_instance_pids[${cake_instance}]}" 2>/dev/null || true
	done
	wait
}

for cake_instance in "${cake_instances[@]}"
do
	%%SCRIPT_PREFIX%%/cake-autorate.sh "${cake_instance}" &
	cake_instance_pids+=(${!})
done
wait