openwrt/package/base-files/files/lib/functions/network.sh
2012-09-13 08:47:10 +00:00

171 lines
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. /usr/share/libubox/jshn.sh
__network_ipaddr()
{
local __var="$1"
local __iface="$2"
local __family="$3"
local __prefix="${4:-0}"
local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
json_load "${__tmp:-{}}"
json_get_type __tmp "ipv${__family}_address"
if [ "$__tmp" = array ]; then
json_select "ipv${__family}_address"
json_get_type __tmp 1
if [ "$__tmp" = object ]; then
json_select 1
json_get_var $__var address
[ $__prefix -gt 0 ] && {
json_get_var __tmp mask
eval "export -- \"$__var=\${$__var}/$__tmp\""
}
return 0
fi
fi
return 1
}
network_get_ipaddr() { __network_ipaddr "$1" "$2" 4 0; }
network_get_ipaddr6() { __network_ipaddr "$1" "$2" 6 0; }
network_get_subnet() { __network_ipaddr "$1" "$2" 4 1; }
network_get_subnet6() { __network_ipaddr "$1" "$2" 6 1; }
__network_gateway()
{
local __var="$1"
local __iface="$2"
local __family="$3"
local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
local __idx=1
json_load "${__tmp:-{}}"
if json_get_type __tmp route && [ "$__tmp" = array ]; then
json_select route
while json_get_type __tmp "$__idx" && [ "$__tmp" = object ]; do
json_select "$((__idx++))"
json_get_var __tmp target
case "${__family}/${__tmp}" in
4/0.0.0.0|6/::)
json_get_var "$__var" nexthop
return $?
;;
esac
json_select ".."
done
fi
return 1
}
network_get_gateway() { __network_gateway "$1" "$2" 4; }
network_get_gateway6() { __network_gateway "$1" "$2" 6; }
__network_dns() {
local __var="$1"
local __iface="$2"
local __field="$3"
local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
local __dns=""
local __idx=1
json_load "${__tmp:-{}}"
if json_get_type __tmp "$__field" && [ "$__tmp" = array ]; then
json_select "$__field"
while json_get_type __tmp "$__idx" && [ "$__tmp" = string ]; do
json_get_var __tmp "$((__idx++))"
__dns="${__dns:+$__dns }$__tmp"
done
fi
eval "export -- \"$__var=$__dns\""
[ -n "$__dns" ]
}
network_get_dnsserver() { __network_dns "$1" "$2" dns_server; }
network_get_dnssearch() { __network_dns "$1" "$2" dns_search; }
__network_wan() {
local __var="$1"
local __family="$2"
local __iface
for __iface in $(ubus list | sed -ne 's/^network\.interface\.//p'); do
if __network_gateway "$__var" "$__iface" "$__family"; then
eval "export -- \"$__var=$__iface\""
return 0
fi
done
eval "export -- \"$__var=\""
return 1
}
network_find_wan() { __network_wan "$1" 4; }
network_find_wan6() { __network_wan "$1" 6; }
__network_device()
{
local __var="$1"
local __iface="$2"
local __field="$3"
local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
[ -n "$__tmp" ] || return 1
json_load "$__tmp"
json_get_var "$__var" "$__field"
}
network_is_up()
{
local __up
__network_device __up "$1" up && [ $__up -eq 1 ]
}
network_get_device() { __network_device "$1" "$2" l3_device; }
network_get_physdev() { __network_device "$1" "$2" device; }
__network_defer()
{
local __device="$1"
local __defer="$2"
json_init
json_add_string name "$__device"
json_add_boolean defer "$__defer"
ubus call network.device set_state "$(json_dump)" 2>/dev/null
}
network_defer_device() { __network_defer "$1" 1; }
network_ready_device() { __network_defer "$1" 0; }