base-files: introduce /lib/functions/network.sh This file will contain common procedures to deal with network interfaces. Initially provides network_get_ipaddr(), network_get_ipaddr6(), network_get_subnet() and network_get_subnet6() to determine the primary IP addresses or subnets of a given logical interface.

SVN-Revision: 31935
This commit is contained in:
Jo-Philipp Wich 2012-05-28 03:15:02 +00:00
parent 367e4b3994
commit f1d04190c5
2 changed files with 42 additions and 1 deletions

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@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/kernel.mk
include $(INCLUDE_DIR)/version.mk
PKG_NAME:=base-files
PKG_RELEASE:=107
PKG_RELEASE:=108
PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/
PKG_BUILD_DEPENDS:=opkg/host

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@ -0,0 +1,41 @@
. /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; }