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#!/bin/sh
#
# Copyright (C) 2018 rosysong@rosinson.com
#
. /lib/nft-qos/core.sh
# append rule for static qos
qosdef_append_rule_sta() { # <section> <operator> <default-unit> <default-rate>
local ipaddr unit rate
local operator=$2
config_get ipaddr $1 ipaddr
config_get unit $1 unit $3
config_get rate $1 rate $4
[ -z "$ipaddr" ] && return
qosdef_append_rule_ip_limit $ipaddr $operator $unit $rate
}
# append chain for static qos
qosdef_append_chain_sta() { # <hook> <name> <section> <unit> <rate>
local hook=$1 name=$2
local config=$3 operator
case "$name" in
download) operator="daddr";;
upload) operator="saddr";;
esac
qosdef_appendx "\tchain $name {\n"
qosdef_append_chain_def filter $hook 0 accept
qosdef_append_rule_limit_whitelist $name
config_foreach qosdef_append_rule_sta $config $operator $4 $5
qosdef_appendx "\t}\n"
}
qosdef_flush_static() {
qosdef_flush_table "$NFT_QOS_INET_FAMILY" nft-qos-static
}
# static limit rate init
qosdef_init_static() {
local unit_dl unit_ul rate_dl rate_ul
local limit_enable limit_type hook_ul="prerouting" hook_dl="postrouting"
uci_validate_section nft-qos default default \
'limit_enable:bool:0' \
'limit_type:maxlength(8)' \
'static_unit_dl:string:kbytes' \
'static_unit_ul:string:kbytes' \
'static_rate_dl:uinteger:50' \
'static_rate_ul:uinteger:50'
[ $? -ne 0 ] && {
logger -t nft-qos-static "validation failed"
return 1
}
[ $limit_enable -eq 0 -o \
$limit_type = "dynamic" ] && return 1
[ -z "$NFT_QOS_HAS_BRIDGE" ] && {
hook_ul="postrouting"
hook_dl="prerouting"
}
qosdef_appendx "table $NFT_QOS_INET_FAMILY nft-qos-static {\n"
qosdef_append_chain_sta $hook_ul upload upload $unit_ul $rate_ul
qosdef_append_chain_sta $hook_dl download download $unit_dl $rate_dl
qosdef_appendx "}\n"
}