d27be8dad9
Compile tested: mips_24kc, arm_cortex-a9_vfpv3-d16, i386_pentium4, x86_64, i386_pentium-mmx, mipsel_24kc Signed-off-by: Patrick Grimm <patrick@lunatiki.de>
61 lines
1.3 KiB
Bash
61 lines
1.3 KiB
Bash
# 1: destination variable
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# 2: interface
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# 3: path
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# 4: separator
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# 5: limit
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__network_ifstatus() {
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local __tmp
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[ -z "$__NETWORK_CACHE" ] && {
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__tmp="$(ubus call network.interface dump 2>&1)"
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case "$?" in
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4) : ;;
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0) export __NETWORK_CACHE="$__tmp" ;;
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*) echo "$__tmp" >&2 ;;
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esac
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}
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__tmp="$(jsonfilter ${4:+-F "$4"} ${5:+-l "$5"} -s "${__NETWORK_CACHE:-{}}" -e "$1=@.interface${2:+[@.interface='$2']}$3")"
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[ -z "$__tmp" ] && \
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unset "$1" && \
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return 1
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eval "$__tmp"
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}
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# 1: addr
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# 2: export var neighbour dev lladdr
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network_get_neighbour_by_ip()
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{
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local __tmp
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neighbour=''
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dev=''
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lladdr=''
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local ipaddr="$1"
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hostname=$(nslookup "$ipaddr" "$ipaddr" | grep name | cut -d " " -f 3 | cut -d '.' -f -1)
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[ -z "$__NEIGH_CACHE" ] && {
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__tmp="$(ip -6 neigh)"
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export __NEIGH_CACHE="$__tmp"
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}
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[ -z "$__ROUTE_CACHE" ] && {
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__tmp="$(ip -6 route)"
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export __ROUTE_CACHE="$__tmp"
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}
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local gwaddr=$(echo "$__ROUTE_CACHE" | grep "^$ipaddr" | cut -d ' ' -f 3)
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[ -z "$gwaddr" ] && return
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local neigh=$(echo "$__NEIGH_CACHE" | grep "$gwaddr")
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[ -z "$neigh" ] && return
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set -- $neigh
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eval "neighbour=$1;dev=$3;lladdr=$5"
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}
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# 1: destination variable
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# 2: addr
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network_get_name_by_device()
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{
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__network_ifstatus "$1" "" \
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"[@.device='$2' && !@.table].interface" "" 1 && \
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return 0
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}
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