This script aims to give users a quick insight into the current netifd
state by calling the ubus api and displaying the results in a human
readable format.
---snip---
$ netinfo
INTERFACE L3_DEVICE UP AVAILABLE AUTOSTART DYNAMIC
PENDING PROTO
======================================================================================================
client br-client x x x
dhcpv6
wan br-wan x x x
dhcp
wan6 br-wan x x x
dhcpv6
$ netinfo wan client
INTERFACE L3_DEVICE UP AVAILABLE AUTOSTART DYNAMIC
PENDING PROTO
======================================================================================================
client br-client x x x
dhcpv6
wan br-wan x x x
dhcp
$ netinfo -d
DEVICE UP CARRIER PRESENT EXTERNAL TYPE
=============================================================================
bat0 x x x Network device
br_client x x x bridge
br_wan x x x bridge
eth0 x x x Network device
eth1 x x x Network device
lo x x x Network device
$ netinfo -d -e ^eth
DEVICE UP CARRIER PRESENT EXTERNAL TYPE
=============================================================================
eth0 x x x Network device
eth1 x x x Network device
$ netinfo -l
client
wan
wan6
$ netinfo -h
/sbin/netinfo [OPTIONS] [PATTERN] [PATTERN] [...]
-h print help
-i show interfaces (default)
-d show devices instead
-l list only
[PATTERN] only show elements matching PATTERN (optional)
-e use regex for PATTERN matching
---snap---
Signed-off-by: Leonardo Mörlein <[email protected]>
---
scripts/netifd-netinfo.sh | 143 ++++++++++++++++++++++++++++++++++++++
1 file changed, 143 insertions(+)
create mode 100755 scripts/netifd-netinfo.sh
diff --git a/scripts/netifd-netinfo.sh b/scripts/netifd-netinfo.sh
new file mode 100755
index 0000000..887443e
--- /dev/null
+++ b/scripts/netifd-netinfo.sh
@@ -0,0 +1,143 @@
+#!/bin/sh
+
+. /usr/share/libubox/jshn.sh
+
+
+help() {
+ echo "$0 [OPTIONS] [PATTERN] [PATTERN] [...]"
+ echo
+ echo " -h print help"
+ echo " -i show interfaces (default)"
+ echo " -d show devices instead"
+ echo " -l list only"
+ echo
+ echo " [PATTERN] only show elements matching PATTERN (optional)"
+ echo " -e use regex for PATTERN matching"
+ echo
+}
+
+load_row() {
+ # load all variables with names "$@" from json attributes
+ for var in "$@"; do
+ if [ "$var" = "__key" ]; then
+ continue
+ fi
+
+ if json_is_a "$var" boolean; then
+ json_get_var b "$var"
+ if [ "$b" -eq 0 ]; then
+ eval "$var=\" \""
+ else
+ eval "$var=x"
+ fi
+ else
+ json_get_var "$var" "$var"
+ fi
+ done
+}
+
+print_row() {
+ local args=""
+ for var in "$@"; do
+ args="$args \"\$$var\""
+ done
+
+ eval "printf \"\$FMT\" $args"
+}
+
+print_header() {
+ upper () {
+ tr 'abcdefghijklmnopqrstuvxyz' 'ABCDEFGHIJKLMNOPQRSTUVXYZ'
+ }
+
+ # shellcheck disable=SC2059
+ printf "$FMT" "$@" | upper
+
+ local nchars
+ # shellcheck disable=SC2059
+ nchars="$(printf "$FMT" "$@" | wc -c)"
+ printf "%${nchars}s\n" |tr " " "="
+}
+
+print_table() {
+ local keys
+ json_get_keys keys
+
+ for __key in $keys; do
+ json_select "$__key"
+ load_row "$@"
+
+ local match_value
+ match_value="$(eval printf "%s" "\$$match_key")"
+
+ if [ -z "$ARGS" ]; then
+ print_row "$@"
+ else
+ for arg in $ARGS; do
+ if [ "$USE_REGEX" -eq 0 ]; then
+ arg="^$arg\$"
+ fi
+ if echo "$match_value" | grep "$arg" >
/dev/null; then
+ print_row "$@"
+ fi
+ done
+ fi
+
+ json_select ".."
+ done
+}
+
+USE_REGEX=0
+LIST_ONLY=0
+ACTION=interfaces
+while getopts dehil opt
+do
+ case "$opt" in
+ i) ACTION=interfaces;;
+ h) ACTION=help;;
+ d) ACTION=devices;;
+ l) LIST_ONLY=1;;
+ e) USE_REGEX=1;;
+ *) help; echo "ERROR: Invalid option '$1'!"; exit 1;;
+ esac
+ shift;
+done
+
+ARGS="$*"
+
+case "$ACTION" in
+ help)
+ help
+ ;;
+ interfaces)
+ json_init
+ json_load "$(ubus call network.interface dump)"
+ json_select interface
+
+ match_key=interface
+
+ if [ "$LIST_ONLY" -eq 1 ]; then
+ FMT="%s\n"
+ print_table interface
+ else
+ FMT="%17s %17s %6s %10s %10s %8s %8s %-17s\n"
+ print_header interface l3_device up available autostart
dynamic pending proto
+ print_table interface l3_device up available autostart
dynamic pending proto
+ fi
+ ;;
+ devices)
+ json_init
+ json_load "$(ubus call network.device status)"
+
+ match_key=__key
+ if [ "$LIST_ONLY" -eq 1 ]; then
+ FMT="%s\n"
+ print_table __key
+ else
+ FMT="%17s %6s %10s %10s %10s %-17s\n"
+ print_header device up carrier present external type
+ print_table __key up carrier present external type
+ fi
+
+ ;;
+esac
--
2.29.2
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