#!/bin/bash

rocknet_debug=0
rocknet_base="/etc/network"

unset code_snipplets_idx code_snipplets_dat code_snipplets_counter
declare -a code_snipplets_idx='()'
declare -a code_snipplets_dat='()'
code_snipplets_counter=0

lineno=0
ignore=0

if [ "$3" != "up" -a "$3" != "down" ]; then
	echo "Usage: $0 { profile | default } { interface | auto } { up | down }"
	exit 1
fi

profile=$1
interface=$2
mode=$3

#
# addcode mode major-priority minor-priority code1
#
addcode() {
	[ "$mode" != "$1" ] && return
	[ "$ignore" -gt 0 ] && return
	if [ "$1" = "up" ]; then udo="+"; else udo="-"; fi
	code_snipplets_idx[code_snipplets_counter]="`
		printf '%04d.%04d.%04d' $((5000$udo$2)) $((5000$udo$lineno)) \
		$((5000$udo$3))` $code_snipplets_counter"
	code_snipplets_dat[code_snipplets_counter]="$4"
	(( code_snipplets_counter++ ))
}

#
# isfirst unique-id
#
isfirst() {
	[ "$ignore" -gt 0 ] && return 0
	eval "\$isfirst_$1"
	eval "isfirst_$1='return 1'"
	return 0
}

#
# error error-message
#
error() {
	echo "$*"
}

for x in "$rocknet_base"/modules/*.sh; do . "$x"; done

while read cmd para
do
	(( lineno++ ))
	if [ -n "$cmd" ]; then
		cmd="${cmd//-/_}"
		para="$( echo "$para" | sed 's,[\*\?],\\&,g' )"
		if declare -f public_$cmd > /dev/null
		then
			public_$cmd $para
		else
			error "Unknown statement in config file: $cmd"
		fi
	fi
done < <( sed 's,\(^\|[ \t]\)#.*$,,' < "$rocknet_base"/config )

while read id1 id2; do
	if [ "$rocknet_debug" = 1 ]; then
		echo ">> $id1 -> $id2: ${code_snipplets_dat[id2]}"
	fi
	eval "${code_snipplets_dat[id2]}"
done < <(
	for x in "${code_snipplets_idx[@]}"; do echo "$x"
	done | sort
)