openwrt的network文件,或者说在/etc/config下的文件,都是动态生成的。
脚本的函数定义在openwrt1407/package/base-files/files/lib/functions中,有以下几个文件:
tf@ubuntu:~/projects/openwrt1407/package/base-files/files/lib/functions$ ls leds.sh network.sh preinit.sh service.sh system.sh uci-defaults.sh
其中uci-defaults.sh会生成默认的/etc/config下的文件,而其它文件是它的“库”。
我们看一看uci-default.sh的内容
#!/bin/sh # Copyright (C) 2011 OpenWrt.org UCIDEF_LEDS_CHANGED=0 ucidef_set_led_netdev() { local cfg="led_$1" local name=$2 local sysfs=$3 local dev=$4 uci -q get system.$cfg && return 0 uci batch <<EOF set system.$cfg='led' set system.$cfg.name='$name' set system.$cfg.sysfs='$sysfs' set system.$cfg.trigger='netdev' set system.$cfg.dev='$dev' set system.$cfg.mode='link tx rx' EOF UCIDEF_LEDS_CHANGED=1 } ucidef_set_led_usbdev() { local cfg="led_$1" local name=$2 local sysfs=$3 local dev=$4 uci -q get system.$cfg && return 0 uci batch <<EOF set system.$cfg='led' set system.$cfg.name='$name' set system.$cfg.sysfs='$sysfs' set system.$cfg.trigger='usbdev' set system.$cfg.dev='$dev' set system.$cfg.interval='50' EOF UCIDEF_LEDS_CHANGED=1 } ucidef_set_led_wlan() { local cfg="led_$1" local name=$2 local sysfs=$3 local trigger=$4 uci -q get system.$cfg && return 0 uci batch <<EOF set system.$cfg='led' set system.$cfg.name='$name' set system.$cfg.sysfs='$sysfs' set system.$cfg.trigger='$trigger' EOF UCIDEF_LEDS_CHANGED=1 } ucidef_set_led_switch() { local cfg="led_$1" local name=$2 local sysfs=$3 local trigger=$4 local port_mask=$5 uci -q get system.$cfg && return 0 uci batch <<EOF set system.$cfg='led' set system.$cfg.name='$name' set system.$cfg.sysfs='$sysfs' set system.$cfg.trigger='$trigger' set system.$cfg.port_mask='$port_mask' EOF UCIDEF_LEDS_CHANGED=1 } ucidef_set_led_default() { local cfg="led_$1" local name=$2 local sysfs=$3 local default=$4 uci -q get system.$cfg && return 0 uci batch <<EOF set system.$cfg='led' set system.$cfg.name='$name' set system.$cfg.sysfs='$sysfs' set system.$cfg.default='$default' EOF UCIDEF_LEDS_CHANGED=1 } ucidef_set_led_rssi() { local cfg="led_$1" local name=$2 local sysfs=$3 local iface=$4 local minq=$5 local maxq=$6 local offset=$7 local factor=$8 uci -q get system.$cfg && return 0 uci batch <<EOF set system.$cfg='led' set system.$cfg.name='$name' set system.$cfg.sysfs='$sysfs' set system.$cfg.trigger='rssi' set system.$cfg.iface='rssid_$iface' set system.$cfg.minq='$minq' set system.$cfg.maxq='$maxq' set system.$cfg.offset='$offset' set system.$cfg.factor='$factor' EOF UCIDEF_LEDS_CHANGED=1 } ucidef_set_rssimon() { local dev="$1" local refresh="$2" local threshold="$3" local cfg="rssid_$dev" uci -q get system.$cfg && return 0 uci batch <<EOF set system.$cfg='rssid' set system.$cfg.dev='$dev' set system.$cfg.refresh='$refresh' set system.$cfg.threshold='$threshold' EOF UCIDEF_LEDS_CHANGED=1 } ucidef_commit_leds() { [ "$UCIDEF_LEDS_CHANGED" == "1" ] && uci commit system } ucidef_set_interface_loopback() { uci batch <<EOF set network.loopback='interface' set network.loopback.ifname='lo' set network.loopback.proto='static' set network.loopback.ipaddr='127.0.0.1' set network.loopback.netmask='255.0.0.0' set network.globals='globals' set network.globals.ula_prefix='auto' EOF } ucidef_set_interface_raw() { local cfg=$1 local ifname=$2 uci batch <<EOF set network.$cfg='interface' set network.$cfg.ifname='$ifname' set network.$cfg.proto='none' EOF } ucidef_set_interface_lan() { local ifname=$1 uci batch <<EOF set network.lan='interface' set network.lan.ifname='$ifname' set network.lan.force_link=1 set network.lan.type='bridge' set network.lan.proto='static' set network.lan.ipaddr='192.168.1.1' set network.lan.netmask='255.255.255.0' set network.lan.ip6assign='60' EOF } ucidef_set_interface_wan() { local ifname=$1 uci batch <<EOF set network.wan='interface' set network.wan.ifname='$ifname' set network.wan.proto='dhcp' set network.wan6='interface' set network.wan6.ifname='@wan' set network.wan6.proto='dhcpv6' EOF } ucidef_set_interfaces_lan_wan() { local lan_ifname=$1 local wan_ifname=$2 ucidef_set_interface_lan "$lan_ifname" ucidef_set_interface_wan "$wan_ifname" } ucidef_set_interface_macaddr() { local ifname=$1 local mac=$2 uci batch <<EOF set network.$ifname.macaddr='$mac' EOF } ucidef_add_switch() { local name=$1 local reset=$2 local enable=$3 uci batch <<EOF add network switch set network.@switch[-1].name='$name' set network.@switch[-1].reset='$reset' set network.@switch[-1].enable_vlan='$enable' EOF } ucidef_add_switch_vlan() { local device=$1 local vlan=$2 local ports=$3 uci batch <<EOF add network switch_vlan set network.@switch_vlan[-1].device='$device' set network.@switch_vlan[-1].vlan='$vlan' set network.@switch_vlan[-1].ports='$ports' EOF } ucidef_add_switch_port() { local device=$1 local port=$2 uci batch <<EOF add network switch_port set network.@switch_port[-1].device='$device' set network.@switch_port[-1].port='$port' EOF }
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