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#!/bin/sh /etc/rc.common
# Copyright (C) 2014-2015 OpenWrt.org
START=99
USE_PROCD=1
mcproxy_handle_instances() {
local instance="$1"
local conf_file="$2"
local disabled
local pre=""
local name
local upstreams
local downstreams
config_get_bool disabled "$instance" 'disabled' '0'
config_get name "$instance" "name" "$instance"
config_get upstreams "$instance" "upstream"
config_get downstreams "$instance" "downstream"
if [ $disabled -eq 1 ]; then
pre="# "
fi
local str_up=""
if [ -n "$upstreams" ]; then
local upstream
for upstream in $upstreams; do
str_up="$str_up \"$upstream\""
done
fi
local str_down=""
if [ -n "$downstreams" ]; then
local downstream
for downstream in $downstreams; do
str_down="$str_down \"$downstream\""
done
fi
if [ ! -z $downstream ]; then
echo -e "${pre}pinstance ${name}:${str_up} ==>${str_down};\n" >> $conf_file
fi
}
# mcproxy_list_table <var> <section> <option>
mcproxy_list_table() {
local val
local len
local _buffer
local c=1
config_get len "$2" "${3}_LENGTH"
[ -z "$len" ] && return 0
while [ $c -le "$len" ]; do
config_get val "$2" "${3}_ITEM$c"
append _buffer "\t${val}\n"
c="$(($c + 1))"
done
export "${1}=${_buffer}";
}
mcproxy_handle_tables() {
local table="$1"
local conf_file="$2"
local name
local entries
config_get name "$table" "name" ""
mcproxy_list_table entries "$table" "entries"
if [ ! -z $name ] && [ ! -z $table ]; then
echo -e "table $name {\n${entries}};\n" >> $conf_file
fi
}
mcproxy_handle_behaviour() {
local behaviour="$1"
local conf_file="$2"
local disabled
local pre=""
local instance
local section
local interface
local direction
local rulematching
local table
config_get_bool disabled "$behaviour" 'disabled' '0'
config_get instance "$behaviour" "instance"
config_get section "$behaviour" "section" "upstream"
config_get interface "$behaviour" "interface" "*"
config_get direction "$behaviour" "direction" "in"
config_get rulematching "$behaviour" "rulematching"
config_get table "$behaviour" "table"
if [ -z $instance ]; then
return 1
fi
local rule_table
if [ ! -z $rulematching ]; then
rule_table="rulematching $rulematching"
elif [ ! -z $table ]; then
local whitelist
local list
config_get_bool whitelist "$behaviour" 'whitelist' '0'
if [ $whitelist -eq 1 ]; then
list="whitelist"
else
list="blacklist"
fi
rule_table="$list table $table"
else
rule_table="rulematching all"
fi
if [ $disabled -eq 1 ]; then
pre="# "
fi
echo -e "${pre}pinstance $instance $section \"$interface\" $direction $rule_table;\n" >> $conf_file
}
mcproxy_network_trigger() {
procd_add_interface_trigger "interface.*" "$1" /etc/init.d/mcproxy restart
}
mcproxy_handle_network() {
local instance="$1"
config_list_foreach "$instance" upstream mcproxy_network_trigger
config_list_foreach "$instance" downstream mcproxy_network_trigger
}
start_instance() {
local cfg="$1"
local aux
local conf_file
config_get_bool aux "$cfg" 'disabled' '0'
[ "$aux" = 1 ] && return 1
config_get conf_file "$cfg" "file"
if [ ! -n "$conf_file" ]; then
mkdir -p /var/etc
conf_file="/var/etc/mcproxy_${cfg}.conf"
local protocol
config_get protocol "$cfg" "protocol" "IGMPv3"
echo -e "protocol ${protocol};\n" > $conf_file
config_foreach mcproxy_handle_instances instance $conf_file
config_foreach mcproxy_handle_tables table $conf_file
config_foreach mcproxy_handle_behaviour behaviour $conf_file
fi
procd_open_instance
procd_set_param command /usr/sbin/mcproxy
procd_append_param command -f $conf_file
config_get_bool aux "$cfg" 'respawn' '0'
[ "$aux" = 1 ] && procd_set_param respawn
procd_open_trigger
config_foreach mcproxy_handle_network instance
procd_close_trigger
procd_close_instance
}
service_triggers() {
procd_open_trigger
procd_add_config_trigger "config.change" "mcproxy" /etc/init.d/mcproxy restart
procd_close_trigger
}
start_service() {
config_load mcproxy
config_foreach start_instance mcproxy
}
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